<?xml version="1.0" encoding="utf-8"?><rss xmlns:dc="http://purl.org/dc/elements/1.1/" version="2.0"><channel><title>沈阳佳美机械制造有限公司</title><link>https://luancb.cn/</link><description>专业气流粉碎机、气流分级机、气流输送、粉体球化设备及粉体工程优质供应商！</description><item><title>工业设备的防爆等级</title><link>https://luancb.cn/post/1538.html</link><description>&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;工业设备防爆等级（Ex）是一套 “&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;防爆型式 + 设备类别 + 气体 / 粉尘组别 + 温度组别 + 保护级别&lt;/span&gt;” 的组合编码，用于在易燃易爆环境中防止设备成为点火源。国内现行主标准为 &lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;GB/T 3836（等同 IEC 60079）&lt;/span&gt;。&lt;/div&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;hr style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box; border-right: 0px solid rgb(0, 0, 0); border-bottom: 0px solid rgb(0, 0, 0); border-left: 0px solid rgb(0, 0, 0); border-top-style: solid; border-top-color: rgb(0, 0, 0);&quot;&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;h3 style=&quot;color: rgb(0, 0, 0); font-variant-num -bottom: 0px; background: none 0% 0% / auto repeat scroll padding-box border-box rgba(0, 0, 0, 0);&quot;&gt;一、防爆标志构成（一眼看懂 Ex d IIB T4 Gb）&lt;/h3&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;div style=&quot;font-variant-num t d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;div style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;div style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;表格&lt;/div&gt;&lt;div style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;div style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;div style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;div style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;/div&gt;&lt;/div&gt;&lt;div style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;div style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;div style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;table&gt;&lt;tr style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot; class=&quot;firstRow&quot;&gt;&lt;th style=&quot;font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-size-adjust: none; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-variant-emoji: normal; font-stretch: normal; line-height: 24px; text-align: center; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background: none 0% 0% / auto repeat scroll padding-box border-box rgba(0, 0, 0, 0);&quot;&gt;组成&lt;/th&gt;&lt;th style=&quot;font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-size-adjust: none; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-variant-emoji: normal; font-stretch: normal; line-height: 24px; text-align: center; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background: none 0% 0% / auto repeat scroll padding-box border-box rgba(0, 0, 0, 0);&quot;&gt;说明&lt;/th&gt;&lt;th style=&quot;font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-size-adjust: none; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-variant-emoji: normal; font-stretch: normal; line-height: 24px; text-align: center; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background: none 0% 0% / auto repeat scroll padding-box border-box rgba(0, 0, 0, 0);&quot;&gt;示例&lt;/th&gt;&lt;/tr&gt;&lt;tr style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;Ex&lt;/span&gt;&lt;/td&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;防爆总标识&lt;/td&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;Ex&lt;/td&gt;&lt;/tr&gt;&lt;tr style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;防爆型式&lt;/span&gt;&lt;/td&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;防护原理（d/e/i/p/m…）&lt;/td&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;d = 隔爆&lt;/td&gt;&lt;/tr&gt;&lt;tr style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;设备类别&lt;/span&gt;&lt;/td&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;I（煤矿）/II（气体）/III（粉尘）&lt;/td&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;II&lt;/td&gt;&lt;/tr&gt;&lt;tr style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;气体 / 粉尘组别&lt;/span&gt;&lt;/td&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;IIA/IIB/IIC（气体）；IIIA/IIIB/IIIC（粉尘）&lt;/td&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;IIB&lt;/td&gt;&lt;/tr&gt;&lt;tr style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;温度组别&lt;/span&gt;&lt;/td&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;T1～T6（最高表面温度）&lt;/td&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;T4（≤135℃）&lt;/td&gt;&lt;/tr&gt;&lt;tr style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;保护级别 EPL&lt;/span&gt;&lt;/td&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;Ga/Gb/Gc（气体）；Da/Db/Dc（粉尘）&lt;/td&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;Gb（1 区）&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;/div&gt;&lt;/div&gt;&lt;/div&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;hr style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box; border-right: 0px solid rgb(0, 0, 0); border-bottom: 0px solid rgb(0, 0, 0); border-left: 0px solid rgb(0, 0, 0); border-top-style: solid; border-top-color: rgb(0, 0, 0);&quot;&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;h3 style=&quot;color: rgb(0, 0, 0); font-variant-num -bottom: 0px; background: none 0% 0% / auto repeat scroll padding-box border-box rgba(0, 0, 0, 0);&quot;&gt;二、设备类别（按环境）&lt;/h3&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;h4 style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;1）Ⅰ 类：煤矿井下（甲烷 / 瓦斯）&lt;/h4&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;ul style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot; class=&quot; list-paddingleft-2&quot;&gt;&lt;li&gt;&lt;p&gt;专供煤矿井下，标志：&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;Ex I&lt;/span&gt;&lt;/p&gt;&lt;/li&gt;&lt;/ul&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;h4 style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;2）Ⅱ 类：非煤矿的&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;气体 / 蒸汽&lt;/span&gt;环境（化工、油气、涂料等）&lt;/h4&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;ul style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot; class=&quot; list-paddingleft-2&quot;&gt;&lt;li&gt;&lt;p&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;IIA&lt;/span&gt;：丙烷、甲烷、苯（危险性最低）&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;IIB&lt;/span&gt;：乙烯、煤气（中等）&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;IIC&lt;/span&gt;：氢气、乙炔、二硫化碳（最高）&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;选型：&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;IIC 可向下兼容 IIB/IIA&lt;/span&gt;，反之不行。&lt;/p&gt;&lt;/li&gt;&lt;/ul&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;h4 style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;3）Ⅲ 类：非煤矿的&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;粉尘 / 纤维&lt;/span&gt;环境（面粉、塑料、金属粉、白炭黑等）&lt;/h4&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;ul style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot; class=&quot; list-paddingleft-2&quot;&gt;&lt;li&gt;&lt;p&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;IIIA&lt;/span&gt;：可燃性飞絮（如棉絮）&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;IIIB&lt;/span&gt;：非导电粉尘（面粉、木粉、白炭黑）&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;IIIC&lt;/span&gt;：导电粉尘（铝粉、镁粉、炭黑）&lt;/p&gt;&lt;/li&gt;&lt;/ul&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;hr style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box; border-right: 0px solid rgb(0, 0, 0); border-bottom: 0px solid rgb(0, 0, 0); border-left: 0px solid rgb(0, 0, 0); border-top-style: solid; border-top-color: rgb(0, 0, 0);&quot;&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;h3 style=&quot;color: rgb(0, 0, 0); font-variant-num -bottom: 0px; background: none 0% 0% / auto repeat scroll padding-box border-box rgba(0, 0, 0, 0);&quot;&gt;三、防爆型式（核心防护原理）&lt;/h3&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;h4 style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;气体环境常用：&lt;/h4&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;ul style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot; class=&quot; list-paddingleft-2&quot;&gt;&lt;li&gt;&lt;p&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;d 隔爆型（最常用）&lt;/span&gt;：外壳耐爆，内部爆炸不外传；用于电机、开关、风机；&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;1/2 区&lt;/span&gt;。&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;e 增安型&lt;/span&gt;：无火花、无危险温度；用于接线盒、灯具、变压器；&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;2 区为主&lt;/span&gt;。&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;i 本质安全型（ia/ib/ic）&lt;/span&gt;：限能，火花能量不足以点燃；仪表 / 传感器 / 弱电；&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;ia=0 区，ib=1 区，ic=2 区&lt;/span&gt;。&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;p 正压型&lt;/span&gt;：内部充洁净空气 / 氮气，压力＞外部，阻止可燃气体进入；大型控制柜、分析仪器；&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;1/2 区&lt;/span&gt;。&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;m 浇封型&lt;/span&gt;：用树脂浇封点火部件；小型元件、模块；&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;1/2 区&lt;/span&gt;。&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;n 型（2 区专用）&lt;/span&gt;：正常运行不点火；接线盒、灯具；&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;仅 2 区&lt;/span&gt;。&lt;/p&gt;&lt;/li&gt;&lt;/ul&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;h4 style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;粉尘环境常用：&lt;/h4&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;ul style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot; class=&quot; list-paddingleft-2&quot;&gt;&lt;li&gt;&lt;p&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;tD&lt;/span&gt;：粉尘防爆外壳（防尘 + 控温）&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;iD&lt;/span&gt;：本安型（粉尘）&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;pD&lt;/span&gt;：正压型（粉尘）&lt;/p&gt;&lt;/li&gt;&lt;/ul&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;hr style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box; border-right: 0px solid rgb(0, 0, 0); border-bottom: 0px solid rgb(0, 0, 0); border-left: 0px solid rgb(0, 0, 0); border-top-style: solid; border-top-color: rgb(0, 0, 0);&quot;&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;h3 style=&quot;color: rgb(0, 0, 0); font-variant-num -bottom: 0px; background: none 0% 0% / auto repeat scroll padding-box border-box rgba(0, 0, 0, 0);&quot;&gt;四、温度组别（T1～T6）—— 关键安全阈值&lt;/h3&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;div style=&quot;font-variant-num t d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;div style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;div style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;表格&lt;/div&gt;&lt;div style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;div style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;div style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;div style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;/div&gt;&lt;/div&gt;&lt;div style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;div style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;div style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;table&gt;&lt;tr style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot; class=&quot;firstRow&quot;&gt;&lt;th style=&quot;font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-size-adjust: none; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-variant-emoji: normal; font-stretch: normal; line-height: 24px; text-align: center; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background: none 0% 0% / auto repeat scroll padding-box border-box rgba(0, 0, 0, 0);&quot;&gt;温度组别&lt;/th&gt;&lt;th style=&quot;font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-size-adjust: none; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-variant-emoji: normal; font-stretch: normal; line-height: 24px; text-align: center; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background: none 0% 0% / auto repeat scroll padding-box border-box rgba(0, 0, 0, 0);&quot;&gt;最高表面温度&lt;/th&gt;&lt;th style=&quot;font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-size-adjust: none; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-variant-emoji: normal; font-stretch: normal; line-height: 24px; text-align: center; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background: none 0% 0% / auto repeat scroll padding-box border-box rgba(0, 0, 0, 0);&quot;&gt;适用场景示例&lt;/th&gt;&lt;/tr&gt;&lt;tr style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;T1&lt;/span&gt;&lt;/td&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;≤450℃&lt;/td&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;甲烷、丙烷&lt;/td&gt;&lt;/tr&gt;&lt;tr style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;T2&lt;/span&gt;&lt;/td&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;≤300℃&lt;/td&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;乙烯、乙醇&lt;/td&gt;&lt;/tr&gt;&lt;tr style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;T3&lt;/span&gt;&lt;/td&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;≤200℃&lt;/td&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;汽油、柴油&lt;/td&gt;&lt;/tr&gt;&lt;tr style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;T4&lt;/span&gt;&lt;/td&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;≤135℃&lt;/td&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;氢气、乙炔、多数化工溶剂&lt;/td&gt;&lt;/tr&gt;&lt;tr style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;T5&lt;/span&gt;&lt;/td&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;≤100℃&lt;/td&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;二硫化碳等低温引燃物&lt;/td&gt;&lt;/tr&gt;&lt;tr style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;T6&lt;/span&gt;&lt;/td&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;≤85℃&lt;/td&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;极高危低温引燃物质&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;/div&gt;&lt;/div&gt;&lt;/div&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;原则：&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;设备表面温度＜介质引燃温度&lt;/span&gt;。&lt;/div&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;hr style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box; border-right: 0px solid rgb(0, 0, 0); border-bottom: 0px solid rgb(0, 0, 0); border-left: 0px solid rgb(0, 0, 0); border-top-style: solid; border-top-color: rgb(0, 0, 0);&quot;&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;h3 style=&quot;color: rgb(0, 0, 0); font-variant-num -bottom: 0px; background: none 0% 0% / auto repeat scroll padding-box border-box rgba(0, 0, 0, 0);&quot;&gt;五、危险区域与保护级别（EPL）&lt;/h3&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;h4 style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;气体区域：&lt;/h4&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;ul style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot; class=&quot; list-paddingleft-2&quot;&gt;&lt;li&gt;&lt;p&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;0 区&lt;/span&gt;：持续 / 长期存在爆炸性气体 → &lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;EPL Ga&lt;/span&gt;（ia）&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;1 区&lt;/span&gt;：正常运行时可能出现 → &lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;EPL Gb&lt;/span&gt;（d/e/ia/ib/p/m）&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;2 区&lt;/span&gt;：仅故障 / 异常时出现 → &lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;EPL Gc&lt;/span&gt;（d/e/ic/n/p/m）&lt;/p&gt;&lt;/li&gt;&lt;/ul&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;h4 style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;粉尘区域：&lt;/h4&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;ul style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot; class=&quot; list-paddingleft-2&quot;&gt;&lt;li&gt;&lt;p&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;20 区&lt;/span&gt;：持续存在粉尘云 → &lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;Da&lt;/span&gt;&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;21 区&lt;/span&gt;：正常运行可能出现 → &lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;Db&lt;/span&gt;&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;22 区&lt;/span&gt;：故障时短暂出现 → &lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;Dc&lt;/span&gt;&lt;/p&gt;&lt;/li&gt;&lt;/ul&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;hr style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box; border-right: 0px solid rgb(0, 0, 0); border-bottom: 0px solid rgb(0, 0, 0); border-left: 0px solid rgb(0, 0, 0); border-top-style: solid; border-top-color: rgb(0, 0, 0);&quot;&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;h3 style=&quot;color: rgb(0, 0, 0); font-variant-num -bottom: 0px; background: none 0% 0% / auto repeat scroll padding-box border-box rgba(0, 0, 0, 0);&quot;&gt;六、气相法二氧化硅（白炭黑）气流粉碎场景选型参考&lt;/h3&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;白炭黑（SiO₂）属于&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;非导电粉尘（IIIB）&lt;/span&gt;，工艺常伴随&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;静电 + 干燥 + 粉尘云&lt;/span&gt;，推荐：&lt;/div&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;ul style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot; class=&quot; list-paddingleft-2&quot;&gt;&lt;li&gt;&lt;p&gt;设备类别：&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;III 类（粉尘）&lt;/span&gt;&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;粉尘组别：&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;IIIB&lt;/span&gt;&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;防爆型式：&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;tD（防尘隔爆）或 pD（正压）&lt;/span&gt;&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;温度组别：&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;T4（≤135℃）&lt;/span&gt;&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;保护级别：&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;Db（21 区）或 Dc（22 区）&lt;/span&gt;&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;完整标志示例：&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;Ex tD IIIB T4 Db&lt;/span&gt;&lt;/p&gt;&lt;/li&gt;&lt;/ul&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;额外安全要点：&lt;/div&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;ul style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot; class=&quot; list-paddingleft-2&quot;&gt;&lt;li&gt;&lt;p&gt;全系统&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;可靠接地、跨接&lt;/span&gt;，消除静电&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;采用&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;防爆电机、防静电滤袋、氮气保护&lt;/span&gt;&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;控制&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;进料湿度＜0.5%&lt;/span&gt;，减少团聚与静电&lt;/p&gt;&lt;/li&gt;&lt;/ul&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;hr style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box; border-right: 0px solid rgb(0, 0, 0); border-bottom: 0px solid rgb(0, 0, 0); border-left: 0px solid rgb(0, 0, 0); border-top-style: solid; border-top-color: rgb(0, 0, 0);&quot;&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;h3 style=&quot;color: rgb(0, 0, 0); font-variant-num -bottom: 0px; background: none 0% 0% / auto repeat scroll padding-box border-box rgba(0, 0, 0, 0);&quot;&gt;七、快速记忆口诀&lt;/h3&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;Ex 类组别温度区，d 隔 i 本 e 增安；&lt;div style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;气体 IIA/B/C，粉尘 IIIA/B/C；&lt;div style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;T1 四百五，T6 八十五；&lt;div style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;白炭黑 IIIB，T4 Db 最安全。&lt;/span&gt;&lt;/div&gt;&lt;p&gt;&lt;br&gt;&lt;/p&gt;</description><pubDate>Sat, 30 May 2026 16:11:05 +0800</pubDate></item><item><title>气相白炭黑的姊妹——气相氧化铝的制备及应用</title><link>https://luancb.cn/post/1537.html</link><description>&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify; text-indent: 2em;&quot;&gt;日，德国赢创工业集团宣布，将投资建设该公司在亚洲的首座气相氧化铝工厂，生产可用于电动汽车锂离子电池技术的特种化学品解决方案，即用于下一代锂离子电池超薄隔膜涂覆层的氧化铝产品。据中国粉体网小编了解，国内鲜有关于气相氧化铝这种材料的报道。&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify; text-indent: 2em;&quot;&gt;气相法是制备纳米粉体的重要方法之一，具有所得粉末纯度高､颗粒尺寸小､比表面积大､组分容易控制等优点｡通过该法制备的纳米氧化铝除具备上述特点外，还具有硬度高､耐热耐腐蚀､表面带正电性的优点，使其在诸多高新技术行业呈现广阔应用前景｡&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: center; text-indent: 2em;&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;span style=&quot;box-sizing: border-box; font-weight: 700;&quot;&gt;气相法氧化铝的制备方法&lt;/span&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify; text-indent: 2em;&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify; text-indent: 2em;&quot;&gt;气相法是通过电弧加热､激光蒸发､电子束加热等方式将原料转化为成气态物质，或直接利用气体，在反应设备中发生一系列物理变化和化学反应，并在加热和冷却过程中发生晶核生长及颗粒的长大，得到超细氧化铝粉体｡气相法可以通过控制反应气体及气体的稀薄程度有效解决制备粉体的团聚问题｡气相法包括喷雾热解法､化学气相沉积法(CVD)､等离子气相合成法､激光诱导气相沉积法､蒸发冷凝法等｡&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify; text-indent: 2em;&quot;&gt;化学气相沉积法&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify; text-indent: 2em;&quot;&gt;化学气相沉积法制备超细氧化铝粉体是将氯化铝固体在远高于临界点的温度下汽化，形成具有很高过饱和蒸汽压的氯化铝，然后与氢气和氧气混合，汽化的氯化铝与高温水蒸气反应，形成大量的氧化铝晶核，大量的晶核在高温区长大并聚集，形成氧化铝颗粒，然后随着气流从加热区转移到低温区，收集氧化铝粉末｡此工艺得到的氧化铝粉体分散性好､少团聚､粒径小､粒度分布窄，是目前气相法制备氧化铝超细粉体最成熟的生产技术｡&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify; text-indent: 2em;&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: center;&quot;&gt;化学气相沉积生产工艺流程图&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;img src=&quot;http://www.cnpowder.com.cn/img/daily/2023/03/20/090705_194211_newsimg_news.png&quot; width=&quot;500&quot; style=&quot;box-sizing: border-box; border: 0px; vertical-align: middle;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify; text-indent: 2em;&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify; text-indent: 2em;&quot;&gt;激光诱导气相沉积法&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify; text-indent: 2em;&quot;&gt;激光诱导气相沉积法是利用激光发射器发射的一定频率的激光提供能量，当激光照射在铝靶上，激光的高能量会使铝粉迅速汽化，随后发生物理变化和化学反应，形成氧化铝晶核，氧化铝晶核聚集长大形成氧化铝颗粒，收集得到纳米氧化铝粉体｡激光诱导气相沉积工艺中，激光具有很高的能量，可以在瞬间提供高额能量汽化所照射的铝靶，热量集中，加热区范围小｡因此激光诱导气相沉积法可以制备无粘结的氧化铝粉体，且粉体粒度分布均匀，可精确控制｡&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify; text-indent: 2em;&quot;&gt;等离子气相合成法&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify; text-indent: 2em;&quot;&gt;等离子气相合成法以直流脉冲等为能量源，生成等离子体气态，铝盐与空气中的氧气在等离子气氛下反应，生成氧化铝晶核，冷却后收集，得到氧化铝粉体｡等离子气相合成法中，反应温度､前驱物浓度和反应气体等反应条件都对氧化铝粉体的质量产生影响｡&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify; text-indent: 2em;&quot;&gt;喷雾热解技术&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify; text-indent: 2em;&quot;&gt;喷雾热解技术是基于超声波产生的微米大小的气溶胶滴及其在中温(400-800°C)下的分解制备超细氧化铝粉体的方法｡由于蒸发､沉淀､干燥和分解是在分散相中单步发生的，因此可以通过控制工艺参数(停留时间和分解温度)来控制重要的颗粒特性(尺寸､形态､化学成分等)｡氧化铝颗粒是在溶剂蒸发/干燥过程完成后，在液滴水平上连续发生溶质沉淀和分解，通过热诱导的核形成､碰撞和聚并过程产生的｡&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p&gt;&lt;br style='box-sizing: border-box; color: rgb(51, 51, 51); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);'&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: center;&quot;&gt;喷雾热解法生产工艺示意图&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;img src=&quot;https://xue.cnpowder.com.cn/img/daily/2023/03/20/090801_356323_newsimg_news.png&quot; width=&quot;500&quot; style=&quot;box-sizing: border-box; border: 0px; vertical-align: middle;&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em;&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p&gt;&lt;br style='box-sizing: border-box; color: rgb(51, 51, 51); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);'&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: center;&quot;&gt;&lt;span style=&quot;box-sizing: border-box; font-weight: 700;&quot;&gt;气相氧化铝的性能&lt;/span&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify; text-indent: 2em;&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify; text-indent: 2em;&quot;&gt;气相法氧化铝外观为蓬松的白色洁净粉末，原生颗粒直径在7~40nm之间，原生颗粒不是孤立存在，而是团聚成几百纳米大小的团聚颗粒，颗粒间堆密度低，容易在水体系里分散｡&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p&gt;&lt;br style='box-sizing: border-box; color: rgb(51, 51, 51); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);'&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: center;&quot;&gt;&lt;img src=&quot;https://xue.cnpowder.com.cn/img/daily/2023/03/20/090808_843727_newsimg_news.png&quot; width=&quot;500&quot; style=&quot;box-sizing: border-box; border: 0px; vertical-align: middle;&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: center;&quot;&gt;图源：汇富纳米&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify; text-indent: 2em;&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify; text-indent: 2em;&quot;&gt;气相法氧化铝的另外一个特点就是纯度高，由于使用的原材料完全出自化学反应，其产品最终纯度超过99.6%，重金属含量一般低于常规方法的检出极限，而且有多种方法改变气相氧化铝的表面和结构，例如通过控制合成工艺，可以将氧化铝的比表面积控制在50~150m&lt;span style=&quot;box-sizing: border-box; position: relative; font-size: 10.5px; line-height: 0; vertical-align: baseline; top: -0.5em;&quot;&gt;2&lt;/span&gt;/g，以满足各种应用的要求。气相氧化铝很多方面和气相二氧化硅类似，但是在光特性，热特性，电特性等方面不同于气相二氧化硅。&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p&gt;&lt;br style='box-sizing: border-box; color: rgb(51, 51, 51); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);'&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: center;&quot;&gt;气相氧化铝的主要技术指标&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;img src=&quot;https://xue.cnpowder.com.cn/img/daily/2023/03/20/090902_015313_newsimg_news.png&quot; width=&quot;500&quot; style=&quot;box-sizing: border-box; border: 0px; vertical-align: middle;&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify; text-indent: 2em;&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: center;&quot;&gt;&lt;span style=&quot;box-sizing: border-box; font-weight: 700;&quot;&gt;气相氧化铝的应用&lt;/span&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify;&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify; text-indent: 2em;&quot;&gt;节能照明领域&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify; text-indent: 2em;&quot;&gt;节能荧光灯照明是纳米气相氧化铝最主要的应用领域之一。节能灯中荧光粉吸收紫外线产生可见光而达到发光效果，但是紫外线同时也导致荧光粉容易脱落，光效降低等问题，气相氧化铝的聚集体颗粒粒径在0.1～0.2μm之间，可以作为粒度为6～10μm左右的荧光粉的填充细粉，而且纳米气相氧化铝表面带正电荷，荧光粉和玻璃均带有负电荷，因此气相氧化铝的加入可以明显增强荧光粉相互之间以及和灯管之间的粘结力，避免荧光粉的脱落。气相氧化铝可用作紧凑型荧光灯中荧光粉层的保护涂膜，还可和稀土荧光粉复合制成荧光灯管的发光材料，提高灯管寿命。&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify; text-indent: 2em;&quot;&gt;喷墨领域&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify; text-indent: 2em;&quot;&gt;气相氧化铝的水性分散体用于喷墨打印的微孔涂料中，具有低粘度、高固体负荷、低粒径的特性。微孔涂料能使印刷瞬间干燥，与干燥缓慢的聚合物可膨胀涂料相比有着显著的改进。气相氧化铝的高吸附能力提供了油墨的快速吸附，并且阳离子表面产生了良好的油墨附着性。气相氧化铝还提供了极好的光泽度、色域及涂料透明度。&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify; text-indent: 2em;&quot;&gt;粉末涂料领域&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify; text-indent: 2em;&quot;&gt;气相氧化铝在粉末涂料中也具有不可替代的作用。在用静电进行粉末涂料施工时，气相氧化铝能提高粉末的流动性，而且由于它带有正电荷，为粉末涂料提供优异的自由流动性能，减少储存期间的粘结，改进摩擦带电喷涂特性。在卷钢涂料中，可作为热和辐射的保护剂。另外，在高档粉末涂料中添加气相氧化铝，能够使耐擦洗次数由原来的5000次提高到1万次。&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify; text-indent: 2em;&quot;&gt;催化领域&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify; text-indent: 2em;&quot;&gt;在化学催化方面，气相氧化铝粒径小，表面所占的体积分数大，表面原子配位不全等导致表面活性位置增加，而且随着粒径的减小，表面光滑程度变差，形成了凸凹不平的原子台阶，增加了化学反应的接触面，可用作尾气净化、催化燃烧、石油炼制、加氢脱酸、高分子合成等理想的催化剂或催化剂载体。&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify; text-indent: 2em;&quot;&gt;微电子、电子和信息领域&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify; text-indent: 2em;&quot;&gt;气相氧化铝由于具有巨大的表面和界面，对外界湿度变化敏感，而且稳定性高，是理想的湿敏传感器和湿电温度计材料。同时，它还具有良好的电绝缘性、化学耐久性、耐热性、抗辐射能力强、介电常数高、表面平整均匀，可用作半导体材料和大规模集成电路的衬底材料。&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify; text-indent: 2em;&quot;&gt;陶瓷领域&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify; text-indent: 2em;&quot;&gt;在陶瓷领域，添加气相氧化铝可以改善陶瓷材料的多种性质。例如：添加到粗晶粉体中，可以提高氧化铝的致密度和耐冷热疲劳性能。英国将其与二氧化锆混合，烧结温度降低100℃，在常规85瓷、95瓷中添加纳米Al&lt;span style=&quot;box-sizing: border-box; position: relative; font-size: 10.5px; line-height: 0; vertical-align: baseline; bottom: -0.25em;&quot;&gt;2&lt;/span&gt;O&lt;span style=&quot;box-sizing: border-box; position: relative; font-size: 10.5px; line-height: 0; vertical-align: baseline; bottom: -0.25em;&quot;&gt;3&lt;/span&gt;，强度和韧性均提高50%以上。在微米Al&lt;span style=&quot;box-sizing: border-box; position: relative; font-size: 10.5px; line-height: 0; vertical-align: baseline; bottom: -0.25em;&quot;&gt;2&lt;/span&gt;O&lt;span style=&quot;box-sizing: border-box; position: relative; font-size: 10.5px; line-height: 0; vertical-align: baseline; bottom: -0.25em;&quot;&gt;3&lt;/span&gt;粉体中加人40%的纳米γ－Al&lt;span style=&quot;box-sizing: border-box; position: relative; font-size: 10.5px; line-height: 0; vertical-align: baseline; bottom: -0.25em;&quot;&gt;2&lt;/span&gt;O&lt;span style=&quot;box-sizing: border-box; position: relative; font-size: 10.5px; line-height: 0; vertical-align: baseline; bottom: -0.25em;&quot;&gt;3&lt;/span&gt;，素坯相对密度达80%，烧结后接近于完全致密，而且烧结温度也有所降低。在其它陶瓷基体中，加入少量的亚微米或纳米Al&lt;span style=&quot;box-sizing: border-box; position: relative; font-size: 10.5px; line-height: 0; vertical-align: baseline; bottom: -0.25em;&quot;&gt;2&lt;/span&gt;O&lt;span style=&quot;box-sizing: border-box; position: relative; font-size: 10.5px; line-height: 0; vertical-align: baseline; bottom: -0.25em;&quot;&gt;3&lt;/span&gt;材料后，力学性能可成倍提高，其中以SiC/Al&lt;span style=&quot;box-sizing: border-box; position: relative; font-size: 10.5px; line-height: 0; vertical-align: baseline; bottom: -0.25em;&quot;&gt;2&lt;/span&gt;O&lt;span style=&quot;box-sizing: border-box; position: relative; font-size: 10.5px; line-height: 0; vertical-align: baseline; bottom: -0.25em;&quot;&gt;3&lt;/span&gt;纳米复合材料最为显著，抗弯强度从300～400 MPa提高到1 GPa，经热处理可达1.5 GPa，断裂韧性也提高了40%以上。&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify; text-indent: 2em;&quot;&gt;保温隔热领域&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify; text-indent: 2em;&quot;&gt;气相氧化铝基轻质隔热材料是指以气相氧化铝为主要原料，通过在材料成型或高温烧结过程中，使其内部形成大量彼此连通或闭合的孔洞，由于其有较高气孔率因而具有较低的导热系数，再加上气相氧化铝固有的耐高温，抗腐蚀，较高的化学稳定性等特点，因而在保温隔热领域中有着广泛的应用前景。&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify; text-indent: 2em;&quot;&gt;锂离子电池领域&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify; text-indent: 2em;&quot;&gt;本文开头提到的德国赢创生产气相氧化铝用于锂离子电池隔膜中，这类应用的报道非常少见，因为能够大规模生产气相氧化铝的企业很少。据汇富纳米官网介绍，气相氧化铝可应用于锂电池隔膜材料，提高耐高温性和安全性；也可用于锂电池阳极，提高导电性和可逆放电电容；用于负极包覆，提高耐温和安全性。&lt;/p&gt;&lt;p&gt;&lt;br&gt;&lt;/p&gt;</description><pubDate>Fri, 29 May 2026 16:55:39 +0800</pubDate></item><item><title>气流粉碎在气相法二氧化硅材料上的应用</title><link>https://luancb.cn/post/1536.html</link><description>&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;气流粉碎在气相法二氧化硅（白炭黑）加工中，核心是&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;解聚团聚、精准控粒、高纯无污染、低温保性&lt;/span&gt;，显著提升其在橡胶、涂料、电子等领域的应用性能。&lt;/div&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;h3 style=&quot;color: rgb(0, 0, 0); font-variant-num -bottom: 0px; background: none 0% 0% / auto repeat scroll padding-box border-box rgba(0, 0, 0, 0);&quot;&gt;一、气相法二氧化硅特性与加工痛点&lt;/h3&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;气相法二氧化硅（fumed silica）由 SiCl₄高温气相水解制得，&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;一次粒径 5–50 nm、纯度 &amp;gt; 99.8%、比表面积 50–400 m²/g&lt;/span&gt;，表面富含硅羟基（Si–OH），易因氢键与高表面能形成&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;微米级硬团聚&lt;/span&gt;，直接应用会导致分散不均、补强 / 增稠效率低、涂层起颗粒等问题。&lt;div style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;div style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;div style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;div style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;div style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;div style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;div style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/span&gt;&lt;img alt=&quot;image&quot; width=&quot;256&quot; height=&quot;192&quot; src=&quot;https://p3-flow-imagex-sign.byteimg.com/isp-i18n-media/image/96c424997fe5ad4eba2d407fcfb4a1a1~tplv-a9rns2rl98-pc_smart_face_crop-v1:438:329.image?lk3s=8e244e95&amp;amp;rcl=20260529161506FA5608AAB284BB4EACCD&amp;amp;rrcfp=cee388b0&amp;amp;x-expires=2095402514&amp;amp;x-signature=fPXD0y2fH1tsdttCwr8iHlm8Wdc%3D&quot; style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/div&gt;&lt;/div&gt;&lt;/div&gt;&lt;/div&gt;&lt;/div&gt;&lt;/div&gt;&lt;div style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;/div&gt;&lt;/div&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;h3 style=&quot;color: rgb(0, 0, 0); font-variant-num -bottom: 0px; background: none 0% 0% / auto repeat scroll padding-box border-box rgba(0, 0, 0, 0);&quot;&gt;二、气流粉碎工作原理&lt;/h3&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;主流用&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;流化床气流磨&lt;/span&gt;：压缩空气（0.7–1.2 MPa）经拉瓦尔喷嘴加速至超音速，带动粉体在粉碎区高速自撞、互磨；内置分级轮精准分选，细粉（D50=0.2–5 μm）进入收集，粗粉回流再碎；全程&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;干法、无介质接触、低温（&amp;lt;10 ℃）&lt;/span&gt;。&lt;div style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;div style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;div style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;div style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;div style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;div style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;div style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/span&gt;&lt;img alt=&quot;image&quot; width=&quot;256&quot; height=&quot;192&quot; src=&quot;https://p6-flow-imagex-sign.byteimg.com/labis/image/30364f175efed75933101544fdc82bfd~tplv-a9rns2rl98-pc_smart_face_crop-v1:512:384.image?lk3s=8e244e95&amp;amp;rcl=20260529161506FA5608AAB284BB4EACCD&amp;amp;rrcfp=cee388b0&amp;amp;x-expires=2095402516&amp;amp;x-signature=QfDf%2Fg%2F7LLNgPqZh36sSzZg4NOc%3D&quot; style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/div&gt;&lt;/div&gt;&lt;/div&gt;&lt;/div&gt;&lt;/div&gt;&lt;/div&gt;&lt;div style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;/div&gt;&lt;/div&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;h3 style=&quot;color: rgb(0, 0, 0); font-variant-num -bottom: 0px; background: none 0% 0% / auto repeat scroll padding-box border-box rgba(0, 0, 0, 0);&quot;&gt;三、核心应用价值&lt;/h3&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;h4 style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;1. 高效解聚，释放纳米性能&lt;/h4&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;ul style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot; class=&quot; list-paddingleft-2&quot;&gt;&lt;li&gt;&lt;p&gt;打散硬团聚，将&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;团聚体从 10–100 μm 降至 1–5 μm&lt;/span&gt;，一次粒子充分暴露，&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;比表面积恢复率 &amp;gt; 95%&lt;/span&gt;。&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;提升分散性：在橡胶、涂料、硅油中易均匀分散，减少团聚白点与颗粒缺陷。&lt;/p&gt;&lt;/li&gt;&lt;/ul&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;h4 style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;2. 精准粒度控制，适配高端需求&lt;/h4&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;ul style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot; class=&quot; list-paddingleft-2&quot;&gt;&lt;li&gt;&lt;p&gt;粒度窄分布：D90/D50&amp;lt;2，批次稳定，满足电子封装、半导体、高端涂料对粒径与均一性的严苛要求。&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;按需调粒：通过分级轮转速与气压，&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;D50 可控在 0.5–10 μm&lt;/span&gt;，适配不同补强、增稠、触变需求。&lt;/p&gt;&lt;/li&gt;&lt;/ul&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;h4 style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;3. 高纯无污染，保障材料品质&lt;/h4&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;ul style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot; class=&quot; list-paddingleft-2&quot;&gt;&lt;li&gt;&lt;p&gt;无金属接触：全陶瓷内衬（氧化铝 / 氧化锆），&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;零铁质污染&lt;/span&gt;，磁性杂质增量 &amp;lt; 10 ppm，适配电子、医药、食品等高纯场景。&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;低温加工：避免硅羟基脱水与表面改性剂分解，&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;保留表面活性&lt;/span&gt;，利于后续疏水改性（如硅烷偶联剂处理）。&lt;/p&gt;&lt;/li&gt;&lt;/ul&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;h4 style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;4. 强化应用性能&lt;/h4&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;ul style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot; class=&quot; list-paddingleft-2&quot;&gt;&lt;li&gt;&lt;p&gt;橡胶补强：分散均匀形成网络，&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;拉伸强度提升 30%+、耐磨性提升 20%+&lt;/span&gt;，降低滚动阻力。&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;涂料 / 油墨：增稠触变、抗沉降、抗流挂，&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;涂层硬度提升、光泽提升 40%、耐磨寿命翻倍&lt;/span&gt;。&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;电子封装：高绝缘、低杂质、低吸湿，提升封装料&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;流动性、粘结强度、耐湿热稳定性&lt;/span&gt;。&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;医药 / 食品：超细高分散，作抗结剂、助流剂、增稠剂，&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;无重金属残留、安全合规&lt;/span&gt;。&lt;/p&gt;&lt;/li&gt;&lt;/ul&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;h3 style=&quot;color: rgb(0, 0, 0); font-variant-num -bottom: 0px; background: none 0% 0% / auto repeat scroll padding-box border-box rgba(0, 0, 0, 0);&quot;&gt;四、关键工艺参数（气相二氧化硅专用）&lt;/h3&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;ul style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot; class=&quot; list-paddingleft-2&quot;&gt;&lt;li&gt;&lt;p&gt;工作介质：&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;高纯压缩空气或氮气&lt;/span&gt;（防吸湿、防污染）。&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;粉碎压力：&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;0.8–1.0 MPa&lt;/span&gt;（兼顾解聚效率与能耗）。&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;分级轮转速：&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;8000–15000 rpm&lt;/span&gt;（转速越高，粒径越细）。&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;进料速率：&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;50–200 kg/h&lt;/span&gt;（匹配设备型号，避免过负荷团聚）。&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;系统密封：&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;惰性气体保护 + 干燥环境&lt;/span&gt;，防止吸湿团聚与杂质混入。&lt;/p&gt;&lt;/li&gt;&lt;/ul&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;h3 style=&quot;color: rgb(0, 0, 0); font-variant-num -bottom: 0px; background: none 0% 0% / auto repeat scroll padding-box border-box rgba(0, 0, 0, 0);&quot;&gt;五、设备选型与注意事项&lt;/h3&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;h4 style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;1. 推荐设备&lt;/h4&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;ul style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot; class=&quot; list-paddingleft-2&quot;&gt;&lt;li&gt;&lt;p&gt;流化床气流磨（JFQ 系列）：&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;首选&lt;/span&gt;，解聚效率高、粒度可控、高纯无污染。&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;蒸汽气流磨：过热蒸汽（230–360 ℃）为动力，&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;节能 30%–70%、自带干燥&lt;/span&gt;，适合高湿度团聚料。&lt;/p&gt;&lt;/li&gt;&lt;/ul&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;h4 style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;2. 常见问题与对策&lt;/h4&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;ul style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot; class=&quot; list-paddingleft-2&quot;&gt;&lt;li&gt;&lt;p&gt;团聚未解聚：提高粉碎压力、降低进料速率、检查喷嘴磨损。&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;纯度下降：内衬磨损（换陶瓷件）、密封泄漏（查密封圈）、介质不纯（换高纯气）。&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;粒度分布宽：校准分级轮、稳定气压、清理分级区积粉。&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;静电与爆炸风险：&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;设备接地、抗静电滤袋、防爆电机、惰性气体保护&lt;/span&gt;。&lt;/p&gt;&lt;/li&gt;&lt;/ul&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;h3 style=&quot;color: rgb(0, 0, 0); font-variant-num -bottom: 0px; background: none 0% 0% / auto repeat scroll padding-box border-box rgba(0, 0, 0, 0);&quot;&gt;六、总结&lt;/h3&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;气流粉碎是气相法二氧化硅&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;解聚、控粒、提质&lt;/span&gt;的关键工艺，核心价值在于&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;高效释放纳米性能、精准适配高端应用、保障高纯与低温稳定性&lt;/span&gt;，显著提升其在橡胶、涂料、电子、医药等领域的应用效果与附加值。&lt;/div&gt;&lt;p&gt;&lt;br&gt;&lt;/p&gt;</description><pubDate>Fri, 29 May 2026 16:16:04 +0800</pubDate></item><item><title>化学合成的二氧化硅和石英的区别</title><link>https://luancb.cn/post/1535.html</link><description>&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;二者&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;主成分都是 SiO₂&lt;/span&gt;，但&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;结构、形态、纯度、性能、用途差异极大&lt;/span&gt;，下面分点清晰对比：&lt;/div&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;h2 style=&quot;color: rgb(0, 0, 0); font-variant-num -bottom: 0px; background: none 0% 0% / auto repeat scroll padding-box border-box rgba(0, 0, 0, 0);&quot;&gt;一、本质与来源&lt;/h2&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;ol style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot; class=&quot; list-paddingleft-2&quot;&gt;&lt;li&gt;&lt;div style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;石英&lt;/span&gt;&lt;div style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;天然矿物，是&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;结晶态二氧化硅&lt;/span&gt;，主要来自矿山开采，常见形态：石英砂、石英石、水晶。&lt;div style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;内部为&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;规整晶体结构&lt;/span&gt;，硬度高、质地致密。&lt;/div&gt;&lt;div style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;/li&gt;&lt;li&gt;&lt;div style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;化学合成二氧化硅&lt;/span&gt;&lt;div style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;人工化工制备（气相法、沉淀法、溶胶 - 凝胶法等），多为&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;无定形（非晶态）&lt;/span&gt; 二氧化硅，也叫&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;白炭黑&lt;/span&gt;。&lt;div style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;人工合成，无天然矿物晶体结构。&lt;/div&gt;&lt;div style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;/li&gt;&lt;/ol&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;h2 style=&quot;color: rgb(0, 0, 0); font-variant-num -bottom: 0px; background: none 0% 0% / auto repeat scroll padding-box border-box rgba(0, 0, 0, 0);&quot;&gt;二、晶体结构（最核心差异）&lt;/h2&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;ul style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot; class=&quot; list-paddingleft-2&quot;&gt;&lt;li&gt;&lt;p&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;石英&lt;/span&gt;：&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;晶态 SiO₂&lt;/span&gt;，硅氧原子规则排列，熔点、硬度极高，化学惰性极强。&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;合成二氧化硅&lt;/span&gt;：&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;无定形 SiO₂&lt;/span&gt;，原子排列杂乱，存在大量&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;孔隙、表面羟基&lt;/span&gt;，活性远高于石英。&lt;/p&gt;&lt;/li&gt;&lt;/ul&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;h2 style=&quot;color: rgb(0, 0, 0); font-variant-num -bottom: 0px; background: none 0% 0% / auto repeat scroll padding-box border-box rgba(0, 0, 0, 0);&quot;&gt;三、物理性质&lt;/h2&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;ol style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot; class=&quot; list-paddingleft-2&quot;&gt;&lt;li&gt;&lt;p&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;粒径&lt;/span&gt;&lt;/p&gt;&lt;div style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;/li&gt;&lt;/ol&gt;&lt;ul style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot; class=&quot; list-paddingleft-2&quot;&gt;&lt;li&gt;&lt;p&gt;石英：颗粒粗，普通石英砂几十～几百微米，几乎无纳米级原生颗粒。&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;合成二氧化硅：&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;纳米级超细粉末&lt;/span&gt;（几～几十纳米），比表面积巨大。&lt;/p&gt;&lt;/li&gt;&lt;/ul&gt;&lt;li&gt;&lt;p&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;外观&lt;/span&gt;&lt;/p&gt;&lt;div style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;/li&gt;&lt;ul style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot; class=&quot; list-paddingleft-2&quot;&gt;&lt;li&gt;&lt;p&gt;石英：半透明 / 乳白色颗粒、石块，手感坚硬粗糙。&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;合成二氧化硅：&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;蓬松白色轻质粉末&lt;/span&gt;，像滑石粉，极轻、易飞扬。&lt;/p&gt;&lt;/li&gt;&lt;/ul&gt;&lt;li&gt;&lt;p&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;硬度 / 密度&lt;/span&gt;&lt;/p&gt;&lt;div style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;/li&gt;&lt;ul style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot; class=&quot; list-paddingleft-2&quot;&gt;&lt;li&gt;&lt;p&gt;石英：莫氏硬度 7，密度大，耐磨、抗压。&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;合成二氧化硅：质地松软，堆积密度极低，不耐磨。&lt;/p&gt;&lt;/li&gt;&lt;/ul&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;h2 style=&quot;color: rgb(0, 0, 0); font-variant-num -bottom: 0px; background: none 0% 0% / auto repeat scroll padding-box border-box rgba(0, 0, 0, 0);&quot;&gt;四、化学与表面特性&lt;/h2&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;ul style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot; class=&quot; list-paddingleft-2&quot;&gt;&lt;li&gt;&lt;p&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;石英&lt;/span&gt;：表面惰性强，&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;几乎不吸附、不反应&lt;/span&gt;，耐酸碱、耐温，仅高温强碱 / 氢氟酸能腐蚀。&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;合成二氧化硅&lt;/span&gt;：表面布满&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;硅羟基（-OH）&lt;/span&gt;，&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;吸附性、亲水性极强&lt;/span&gt;，易与有机物、极性物质结合，反应活性高。&lt;/p&gt;&lt;/li&gt;&lt;/ul&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;h2 style=&quot;color: rgb(0, 0, 0); font-variant-num -bottom: 0px; background: none 0% 0% / auto repeat scroll padding-box border-box rgba(0, 0, 0, 0);&quot;&gt;五、纯度与杂质&lt;/h2&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;ul style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot; class=&quot; list-paddingleft-2&quot;&gt;&lt;li&gt;&lt;p&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;石英&lt;/span&gt;：天然矿物，含较多杂质（铝、铁、钾、钠、黏土等），高纯石英需复杂提纯。&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;合成二氧化硅&lt;/span&gt;：&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;纯度可控&lt;/span&gt;，工业级、电子级、药用级可做到超高纯，杂质远少于普通石英。&lt;/p&gt;&lt;/li&gt;&lt;/ul&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;h2 style=&quot;color: rgb(0, 0, 0); font-variant-num -bottom: 0px; background: none 0% 0% / auto repeat scroll padding-box border-box rgba(0, 0, 0, 0);&quot;&gt;六、主要用途&lt;/h2&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;h3 style=&quot;color: rgb(0, 0, 0); font-variant-num -bottom: 0px; background: none 0% 0% / auto repeat scroll padding-box border-box rgba(0, 0, 0, 0);&quot;&gt;石英（晶态 SiO₂）&lt;/h3&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;侧重&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;结构、耐磨、耐高温、透光&lt;/span&gt;：&lt;/div&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;ul style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot; class=&quot; list-paddingleft-2&quot;&gt;&lt;li&gt;&lt;p&gt;建筑砂石、耐火材料、陶瓷、玻璃原料&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;石英坩埚、石英玻璃、光学镜片、半导体衬底&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;磨料、滤料、人造板材&lt;/p&gt;&lt;/li&gt;&lt;/ul&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;h3 style=&quot;color: rgb(0, 0, 0); font-variant-num -bottom: 0px; background: none 0% 0% / auto repeat scroll padding-box border-box rgba(0, 0, 0, 0);&quot;&gt;合成二氧化硅（无定形白炭黑）&lt;/h3&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;侧重&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;增稠、补强、吸附、防结块、消光&lt;/span&gt;：&lt;/div&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;ul style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot; class=&quot; list-paddingleft-2&quot;&gt;&lt;li&gt;&lt;p&gt;橡胶 / 轮胎补强剂（主力用途）&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;涂料、油墨、塑料消光、增稠、抗沉降&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;食品抗结剂、药品助流剂、牙膏摩擦剂&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;锂电池、催化剂载体、干燥剂、色谱填料&lt;/p&gt;&lt;/li&gt;&lt;/ul&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;h2 style=&quot;color: rgb(0, 0, 0); font-variant-num -bottom: 0px; background: none 0% 0% / auto repeat scroll padding-box border-box rgba(0, 0, 0, 0);&quot;&gt;七、简单总结&lt;/h2&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;ol style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot; class=&quot; list-paddingleft-2&quot;&gt;&lt;li&gt;&lt;p&gt;同是 SiO₂，&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;一个是天然晶体矿石，一个是人工纳米非晶粉末&lt;/span&gt;；&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;石英：硬、重、惰性、粗颗粒 → 做&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;结构材料、耐高温材料、骨料&lt;/span&gt;；&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;合成二氧化硅：轻、细、高活性、多孔 → 做&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;功能助剂、补强、吸附、填料&lt;/span&gt;。&lt;/p&gt;&lt;/li&gt;&lt;/ol&gt;&lt;p&gt;&lt;br&gt;&lt;/p&gt;</description><pubDate>Thu, 28 May 2026 16:27:21 +0800</pubDate></item><item><title>五氧化二钒</title><link>https://luancb.cn/post/1534.html</link><description>&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify; text-indent: 2em;&quot;&gt;五氧化二钒（V&lt;span style=&quot;box-sizing: border-box; position: relative; font-size: 10.5px; line-height: 0; vertical-align: baseline; bottom: -0.25em;&quot;&gt;2&lt;/span&gt;O&lt;span style=&quot;box-sizing: border-box; position: relative; font-size: 10.5px; line-height: 0; vertical-align: baseline; bottom: -0.25em;&quot;&gt;5&lt;/span&gt;）是一种具有优良理化性能的重要化工原料。V&lt;span style=&quot;box-sizing: border-box; position: relative; font-size: 10.5px; line-height: 0; vertical-align: baseline; bottom: -0.25em;&quot;&gt;2&lt;/span&gt;O&lt;span style=&quot;box-sizing: border-box; position: relative; font-size: 10.5px; line-height: 0; vertical-align: baseline; bottom: -0.25em;&quot;&gt;5&lt;/span&gt;纯度大于99.5%为高纯，是制备高纯金属钒及高纯钒化合物的基础原料。近些年来，随着科技的不断进步，光伏、风电等新能源及微电网领域大规模储能用全钒液流电池、钒酸锂系高性能锂离子电池及先进钒系合金等战略性新兴产业对钒产品纯度要求越来越高，由此对高纯五氧化二钒的需求日益强劲。&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify; text-indent: 2em;&quot;&gt;滁州学院的陈亚西博士等详细论述了高纯五氧化二钒的应用，小编特整理如下。&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p&gt;&lt;br style='box-sizing: border-box; color: rgb(51, 51, 51); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);'&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: center;&quot;&gt;&lt;img src=&quot;https://xue.cnpowder.com.cn/img/daily/2023/03/25/110531_126925_newsimg_news.png&quot; width=&quot;500&quot; style=&quot;box-sizing: border-box; border: 0px; vertical-align: middle;&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: center;&quot;&gt;五氧化二钒（图源：钒钛股份）&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify;&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify; text-indent: 2em;&quot;&gt;&lt;span style=&quot;box-sizing: border-box; font-weight: 700;&quot;&gt;1、储能材料&lt;/span&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify; text-indent: 2em;&quot;&gt;&lt;span style=&quot;box-sizing: border-box; font-weight: 700;&quot;&gt;（1）钒液流电池&lt;/span&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify; text-indent: 2em;&quot;&gt;钒液流电池利用不同价态钒离子的氧化还原反应实现化学能和电能相互转化。钒电解液是硫酸氧钒（VOSO&lt;span style=&quot;box-sizing: border-box; position: relative; font-size: 10.5px; line-height: 0; vertical-align: baseline; bottom: -0.25em;&quot;&gt;4&lt;/span&gt;）的水溶液，是电能载体，VOSO&lt;span style=&quot;box-sizing: border-box; position: relative; font-size: 10.5px; line-height: 0; vertical-align: baseline; bottom: -0.25em;&quot;&gt;4&lt;/span&gt;的纯度需在99.9%以上（避免杂质离子对电池的影响），VOSO&lt;span style=&quot;box-sizing: border-box; position: relative; font-size: 10.5px; line-height: 0; vertical-align: baseline; bottom: -0.25em;&quot;&gt;4&lt;/span&gt;由高纯V&lt;span style=&quot;box-sizing: border-box; position: relative; font-size: 10.5px; line-height: 0; vertical-align: baseline; bottom: -0.25em;&quot;&gt;2&lt;/span&gt;O&lt;span style=&quot;box-sizing: border-box; position: relative; font-size: 10.5px; line-height: 0; vertical-align: baseline; bottom: -0.25em;&quot;&gt;5&lt;/span&gt;采用化学还原法制备。&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify; text-indent: 2em;&quot;&gt;与镍氢电池、铅酸蓄电池相比，钒液流电池具有大功率、可频繁大电流充放电、寿命5～10年、绿色无污染等技术优势，用于可再生能源发电如太阳能、风能等，解决其发电不稳定、不连续的问题，在电网系统中起到调节用户端负载平衡的作用，用于电动汽车充电站，可避免电动车大电流充电对电网的冲击等。&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify; text-indent: 2em;&quot;&gt;自2010年以来，随着储能需求爆发式增长，全钒液流电池商业化进程不断加速，一大批公司及科研院所积极参与开发全钒液流储能电池，并推动多个商业化示范项目，其中推进较快的主要集中在日本住友电工、美国UET、德国德马吉公司和中国大连融科储能技术发展有限公司等。中国的全钒液流电池储能系统已达世界级水平。&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p&gt;&lt;br style='box-sizing: border-box; color: rgb(51, 51, 51); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);'&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: center;&quot;&gt;&lt;img src=&quot;https://xue.cnpowder.com.cn/img/daily/2023/03/25/110615_678791_newsimg_news.png&quot; width=&quot;500&quot; style=&quot;box-sizing: border-box; border: 0px; vertical-align: middle;&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: center; text-indent: 2em;&quot;&gt;（图源：融科储能）&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify; text-indent: 2em;&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify; text-indent: 2em;&quot;&gt;&lt;span style=&quot;box-sizing: border-box; font-weight: 700;&quot;&gt;（2）钒基储氢材料&lt;/span&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify; text-indent: 2em;&quot;&gt;钒（Ｖ）基固溶体贮氢合金具有体心立方（BBC）结构，理论吸氢量达3.8%，远大于AB5型（1.4%）和AB型（1.86%），在常温下即可实现快速可逆吸放氢，主要有V-Ti-Fe，V-Ti-Mn和V-Ti-Cr三种体系，其中V43.5Ti49Fe7.5的吸氢量最大，达到3.9%。&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify; text-indent: 2em;&quot;&gt;&lt;span style=&quot;box-sizing: border-box; font-weight: 700;&quot;&gt;2、锂电池&lt;/span&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify; text-indent: 2em;&quot;&gt;&lt;span style=&quot;box-sizing: border-box; font-weight: 700;&quot;&gt;（1）钒酸锂&lt;/span&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify; text-indent: 2em;&quot;&gt;钒酸锂（LiV&lt;span style=&quot;box-sizing: border-box; position: relative; font-size: 10.5px; line-height: 0; vertical-align: baseline; bottom: -0.25em;&quot;&gt;3&lt;/span&gt;O&lt;span style=&quot;box-sizing: border-box; position: relative; font-size: 10.5px; line-height: 0; vertical-align: baseline; bottom: -0.25em;&quot;&gt;8&lt;/span&gt;）作为锂离子储能电池的正极材料，具有比容量大、成本低、可快速充放电等优点。1 mol钒酸锂可嵌入3 mol以上的锂离子，比容量高于285 mAh/g（传统的LiCoO&lt;span style=&quot;box-sizing: border-box; position: relative; font-size: 10.5px; line-height: 0; vertical-align: baseline; bottom: -0.25em;&quot;&gt;2&lt;/span&gt;和LiMnO&lt;span style=&quot;box-sizing: border-box; position: relative; font-size: 10.5px; line-height: 0; vertical-align: baseline; bottom: -0.25em;&quot;&gt;2&lt;/span&gt;的理论比容量分别为274mA h/g和148 mA h/g）。由高纯V&lt;span style=&quot;box-sizing: border-box; position: relative; font-size: 10.5px; line-height: 0; vertical-align: baseline; bottom: -0.25em;&quot;&gt;2&lt;/span&gt;O&lt;span style=&quot;box-sizing: border-box; position: relative; font-size: 10.5px; line-height: 0; vertical-align: baseline; bottom: -0.25em;&quot;&gt;5&lt;/span&gt;、石墨和碳酸锂制成的锂钒小电池用作炮弹引信电源，可反复充电，寿命长。&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify; text-indent: 2em;&quot;&gt;&lt;span style=&quot;box-sizing: border-box; font-weight: 700;&quot;&gt;（2）磷酸钒锂&lt;/span&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify; text-indent: 2em;&quot;&gt;磷酸钒锂[Li&lt;span style=&quot;box-sizing: border-box; position: relative; font-size: 10.5px; line-height: 0; vertical-align: baseline; bottom: -0.25em;&quot;&gt;3&lt;/span&gt;V&lt;span style=&quot;box-sizing: border-box; position: relative; font-size: 10.5px; line-height: 0; vertical-align: baseline; bottom: -0.25em;&quot;&gt;2&lt;/span&gt;（PO&lt;span style=&quot;box-sizing: border-box; position: relative; font-size: 10.5px; line-height: 0; vertical-align: baseline; bottom: -0.25em;&quot;&gt;4&lt;/span&gt;）&lt;span style=&quot;box-sizing: border-box; position: relative; font-size: 10.5px; line-height: 0; vertical-align: baseline; bottom: -0.25em;&quot;&gt;3&lt;/span&gt;]掺杂碳化后能量密度可达2330 MW·h/cm&lt;span style=&quot;box-sizing: border-box; position: relative; font-size: 10.5px; line-height: 0; vertical-align: baseline; top: -0.5em;&quot;&gt;3&lt;/span&gt;，具有更高的Li+扩散系数与放电电压（4.1 V）。磷酸钒锂可实现超低温（-40℃）启动，且低温大电流放电性能优异，可快速充电，自放电率较低，容量密度较高，使用寿命可达5年以上，结构稳定及不爆炸不起火的特性凸显出其优势，被看成是电动车最有潜力的锂离子电池正极材料。&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify; text-indent: 2em;&quot;&gt;&lt;span style=&quot;box-sizing: border-box; font-weight: 700;&quot;&gt;（3）钒酸银&lt;/span&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify; text-indent: 2em;&quot;&gt;植入式心脏复律除颤器是一种用电击抢救和治疗心律失常的医疗电子设备，对预防心脏猝死很有效。用于植入式心脏复律除颤器中的钒酸银以银盐、高纯V&lt;span style=&quot;box-sizing: border-box; position: relative; font-size: 10.5px; line-height: 0; vertical-align: baseline; bottom: -0.25em;&quot;&gt;2&lt;/span&gt;O&lt;span style=&quot;box-sizing: border-box; position: relative; font-size: 10.5px; line-height: 0; vertical-align: baseline; bottom: -0.25em;&quot;&gt;5&lt;/span&gt;和锂盐为原料，采用固相法、水热法、溶胶胶凝法等制备，其中Ag&lt;span style=&quot;box-sizing: border-box; position: relative; font-size: 10.5px; line-height: 0; vertical-align: baseline; bottom: -0.25em;&quot;&gt;2&lt;/span&gt;V&lt;span style=&quot;box-sizing: border-box; position: relative; font-size: 10.5px; line-height: 0; vertical-align: baseline; bottom: -0.25em;&quot;&gt;4&lt;/span&gt;O&lt;span style=&quot;box-sizing: border-box; position: relative; font-size: 10.5px; line-height: 0; vertical-align: baseline; bottom: -0.25em;&quot;&gt;11&lt;/span&gt;已大规模商业化，1 mol Ag&lt;span style=&quot;box-sizing: border-box; position: relative; font-size: 10.5px; line-height: 0; vertical-align: baseline; bottom: -0.25em;&quot;&gt;2&lt;/span&gt;V&lt;span style=&quot;box-sizing: border-box; position: relative; font-size: 10.5px; line-height: 0; vertical-align: baseline; bottom: -0.25em;&quot;&gt;4&lt;/span&gt;O&lt;span style=&quot;box-sizing: border-box; position: relative; font-size: 10.5px; line-height: 0; vertical-align: baseline; bottom: -0.25em;&quot;&gt;11&lt;/span&gt;可嵌入7 mol锂离子，理论比容量为315 mA h/g，能量密度高，放电量小，使用寿命长，安全性能好。&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify; text-indent: 2em;&quot;&gt;&lt;span style=&quot;box-sizing: border-box; font-weight: 700;&quot;&gt;3、合金材料制备&lt;/span&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify; text-indent: 2em;&quot;&gt;钒铝合金抗蚀性能好，综合机械力学性能优异及比强度高等特点，是航空、航天、火箭、导弹、原子能、航海及冶金工业中不可缺少的宝贵材料。高纯V&lt;span style=&quot;box-sizing: border-box; position: relative; font-size: 10.5px; line-height: 0; vertical-align: baseline; bottom: -0.25em;&quot;&gt;2&lt;/span&gt;O&lt;span style=&quot;box-sizing: border-box; position: relative; font-size: 10.5px; line-height: 0; vertical-align: baseline; bottom: -0.25em;&quot;&gt;5&lt;/span&gt;是制备钒铝合金的主要原料。Ti-6Al-6V-2Sn是一种深度淬火钢，有较好焊接性和热加工性，抗海水腐蚀，已用于海洋钻井采油管、船舶和水上滑翔机等。我国大连融德特种材料有限公司2010年通过了EN9100：2003国际航空工业质量管理体系认证，打破了国外对航空航天级钒钛中间合金战略材料的垄断。&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify; text-indent: 2em;&quot;&gt;&lt;span style=&quot;box-sizing: border-box; font-weight: 700;&quot;&gt;4、催化剂&lt;/span&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify; text-indent: 2em;&quot;&gt;钒催化剂广泛用于硫酸生产、石油工业的有机化工原料合成和烟气脱硫脱氮处理，工业上常用的钒系催化剂的活性组分有钒氧化物、氯化物和配合物等多种形式，以高纯V2O5为主要成分的催化剂几乎对所有氧化反应都有效。&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify; text-indent: 2em;&quot;&gt;催化剂通常含5%～10%V&lt;span style=&quot;box-sizing: border-box; position: relative; font-size: 10.5px; line-height: 0; vertical-align: baseline; bottom: -0.25em;&quot;&gt;2&lt;/span&gt;O&lt;span style=&quot;box-sizing: border-box; position: relative; font-size: 10.5px; line-height: 0; vertical-align: baseline; bottom: -0.25em;&quot;&gt;5&lt;/span&gt;，同时还含K&lt;span style=&quot;box-sizing: border-box; position: relative; font-size: 10.5px; line-height: 0; vertical-align: baseline; bottom: -0.25em;&quot;&gt;2&lt;/span&gt;O或Na&lt;span style=&quot;box-sizing: border-box; position: relative; font-size: 10.5px; line-height: 0; vertical-align: baseline; bottom: -0.25em;&quot;&gt;2&lt;/span&gt;O以增加钒触媒的活性，用硅藻土作为载体以增加触媒活性组分与气体接触的表面积。有些钒催化剂还含有氧化锑、氧化锡、氧化铝和氧化铁等。目前我国有20多个钒催化剂生产厂家，生产能力超过20 kt/a。&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify; text-indent: 2em;&quot;&gt;&lt;span style=&quot;box-sizing: border-box; font-weight: 700;&quot;&gt;5、光纤通讯&lt;/span&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify; text-indent: 2em;&quot;&gt;钒酸钇（YVO&lt;span style=&quot;box-sizing: border-box; position: relative; font-size: 10.5px; line-height: 0; vertical-align: baseline; bottom: -0.25em;&quot;&gt;4&lt;/span&gt;）晶体光学性能良好，透过率高，易于生长，是一种优秀的双折射晶体。钒酸钇晶体加工及镀膜工艺成熟，易于大批量进行光学生产，广泛应用于光纤通讯领域。钒酸钇晶体是光通信器件（例如隔离器、准直器、环形器等）中的关键材料，市场应用广泛。近年来钒酸钇晶体在激光领域特别是光纤激光器中的应用越来越广泛。&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify; text-indent: 2em;&quot;&gt;钒酸钇由高纯V&lt;span style=&quot;box-sizing: border-box; position: relative; font-size: 10.5px; line-height: 0; vertical-align: baseline; bottom: -0.25em;&quot;&gt;2&lt;/span&gt;O&lt;span style=&quot;box-sizing: border-box; position: relative; font-size: 10.5px; line-height: 0; vertical-align: baseline; bottom: -0.25em;&quot;&gt;5&lt;/span&gt;（或NH&lt;span style=&quot;box-sizing: border-box; position: relative; font-size: 10.5px; line-height: 0; vertical-align: baseline; bottom: -0.25em;&quot;&gt;4&lt;/span&gt;VO&lt;span style=&quot;box-sizing: border-box; position: relative; font-size: 10.5px; line-height: 0; vertical-align: baseline; bottom: -0.25em;&quot;&gt;3&lt;/span&gt;）与Y&lt;span style=&quot;box-sizing: border-box; position: relative; font-size: 10.5px; line-height: 0; vertical-align: baseline; bottom: -0.25em;&quot;&gt;2&lt;/span&gt;O&lt;span style=&quot;box-sizing: border-box; position: relative; font-size: 10.5px; line-height: 0; vertical-align: baseline; bottom: -0.25em;&quot;&gt;3&lt;/span&gt;或Y（NO&lt;span style=&quot;box-sizing: border-box; position: relative; font-size: 10.5px; line-height: 0; vertical-align: baseline; bottom: -0.25em;&quot;&gt;3&lt;/span&gt;）&lt;span style=&quot;box-sizing: border-box; position: relative; font-size: 10.5px; line-height: 0; vertical-align: baseline; bottom: -0.25em;&quot;&gt;3&lt;/span&gt;合成，经水洗、醇洗、高温煅烧、引上法提拉获得晶体，再经退火等工艺获得，其价格堪比黄金。我国钒酸钇晶体光纤生产技术处于世界领先水平，福建福晶科技股份有限公司为全球钒酸钇晶体的主要输出地，每年出口几十万片。&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p&gt;&lt;br style='box-sizing: border-box; color: rgb(51, 51, 51); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);'&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: center;&quot;&gt;&lt;img src=&quot;https://xue.cnpowder.com.cn/img/daily/2023/03/25/110843_754610_newsimg_news.png&quot; width=&quot;500&quot; style=&quot;box-sizing: border-box; border: 0px; vertical-align: middle;&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: center;&quot;&gt;钒酸钇晶体（图源：福晶科技）&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify; text-indent: 2em;&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify; text-indent: 2em;&quot;&gt;&lt;span style=&quot;box-sizing: border-box; font-weight: 700;&quot;&gt;6、光敏材料&lt;/span&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify; text-indent: 2em;&quot;&gt;VO&lt;span style=&quot;box-sizing: border-box; position: relative; font-size: 10.5px; line-height: 0; vertical-align: baseline; bottom: -0.25em;&quot;&gt;2&lt;/span&gt;可作为光电开关、热敏电阻，还可用于防止激光致盲及望远镜等仪器镜片或防护层。VO&lt;span style=&quot;box-sizing: border-box; position: relative; font-size: 10.5px; line-height: 0; vertical-align: baseline; bottom: -0.25em;&quot;&gt;2&lt;/span&gt;可在870～970 K真空环境中用高纯V&lt;span style=&quot;box-sizing: border-box; position: relative; font-size: 10.5px; line-height: 0; vertical-align: baseline; bottom: -0.25em;&quot;&gt;2&lt;/span&gt;O&lt;span style=&quot;box-sizing: border-box; position: relative; font-size: 10.5px; line-height: 0; vertical-align: baseline; bottom: -0.25em;&quot;&gt;3&lt;/span&gt;和V&lt;span style=&quot;box-sizing: border-box; position: relative; font-size: 10.5px; line-height: 0; vertical-align: baseline; bottom: -0.25em;&quot;&gt;2&lt;/span&gt;O&lt;span style=&quot;box-sizing: border-box; position: relative; font-size: 10.5px; line-height: 0; vertical-align: baseline; bottom: -0.25em;&quot;&gt;5&lt;/span&gt;粉体球磨混合物反应制备。美国研制氧化钒防激光膜，防止卫星红外探测系统免于高功率激光武器破坏，其有效性可保持25年之久。&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify; text-indent: 2em;&quot;&gt;&lt;span style=&quot;box-sizing: border-box; font-weight: 700;&quot;&gt;7、颜料&lt;/span&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify; text-indent: 2em;&quot;&gt;钒氧化物有各种颜色，V&lt;span style=&quot;box-sizing: border-box; position: relative; font-size: 10.5px; line-height: 0; vertical-align: baseline; bottom: -0.25em;&quot;&gt;2&lt;/span&gt;O&lt;span style=&quot;box-sizing: border-box; position: relative; font-size: 10.5px; line-height: 0; vertical-align: baseline; bottom: -0.25em;&quot;&gt;5&lt;/span&gt;为红色，四价钒盐为浅蓝色，其碱性衍生物一般为棕色或者黑色，三价钒盐为绿色，二价钒盐为紫色。色彩缤纷的钒化合物可作为各种颜料，钒酸钴为绿至蓝色颜料，钒酸锰为黄绿色颜料，钒酸镍为黄绿至深紫色颜料。&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify; text-indent: 2em;&quot;&gt;同时，钒酸盐不仅有色彩与装饰作用，还可提高涂料的强度、防腐、耐光、耐候等特殊性能。钒酸铋（BiVO&lt;span style=&quot;box-sizing: border-box; position: relative; font-size: 10.5px; line-height: 0; vertical-align: baseline; bottom: -0.25em;&quot;&gt;4&lt;/span&gt;）是一款鲜艳度较高的绿光黄颜料，可代替含Pb、Cd、Cr等有毒元素颜料。&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify; text-indent: 2em;&quot;&gt;在陶瓷器釉料中，钒是一种重要着色剂，可得红、绿、蓝、黄、琥珀等各种丰富的色彩，同时参与固相反应，并形成富钒玻璃相，对金光釉和凹釉形成起关键作用。&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify; text-indent: 2em;&quot;&gt;&lt;span style=&quot;box-sizing: border-box; font-weight: 700;&quot;&gt;8、医药&lt;/span&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify; text-indent: 2em;&quot;&gt;在过去的30多年中，随着计算化学、细胞生物学、分子生物学、有机化学、药理学等学科融合交叉，钒化合物抗糖尿病得到了广泛证实。长春医药集团利用高纯V&lt;span style=&quot;box-sizing: border-box; position: relative; font-size: 10.5px; line-height: 0; vertical-align: baseline; bottom: -0.25em;&quot;&gt;2&lt;/span&gt;O&lt;span style=&quot;box-sizing: border-box; position: relative; font-size: 10.5px; line-height: 0; vertical-align: baseline; bottom: -0.25em;&quot;&gt;5&lt;/span&gt;（或NH&lt;span style=&quot;box-sizing: border-box; position: relative; font-size: 10.5px; line-height: 0; vertical-align: baseline; bottom: -0.25em;&quot;&gt;4&lt;/span&gt;VO&lt;span style=&quot;box-sizing: border-box; position: relative; font-size: 10.5px; line-height: 0; vertical-align: baseline; bottom: -0.25em;&quot;&gt;3&lt;/span&gt;）研制的相关药物可用于减轻糖尿病初期症状，也能降低继发性并发症。&lt;/p&gt;&lt;p&gt;&lt;br&gt;&lt;/p&gt;</description><pubDate>Thu, 28 May 2026 13:21:02 +0800</pubDate></item><item><title>氮化硅的制造工艺</title><link>https://luancb.cn/post/1533.html</link><description>&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;氮化硅（Si₃N₄）制造分为两大环节：&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;粉体制备&lt;/span&gt;与&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;陶瓷烧结&lt;/span&gt;。主流工艺可概括为：粉体以&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;直接氮化、碳热还原&lt;/span&gt;最常用；烧结以&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;气压烧结（GPS）、反应烧结&lt;/span&gt;为主，高端件用&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;放电等离子烧结（SPS）&lt;/span&gt;。&lt;/div&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;hr style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box; border-right: 0px solid rgb(0, 0, 0); border-bottom: 0px solid rgb(0, 0, 0); border-left: 0px solid rgb(0, 0, 0); border-top-style: solid; border-top-color: rgb(0, 0, 0);&quot;&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;h3 style=&quot;color: rgb(0, 0, 0); font-variant-num -bottom: 0px; background: none 0% 0% / auto repeat scroll padding-box border-box rgba(0, 0, 0, 0);&quot;&gt;一、氮化硅粉体制备（四种主流路线）&lt;/h3&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;h4 style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;1. 硅粉直接氮化法（工业主流）&lt;/h4&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;ul style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot; class=&quot; list-paddingleft-2&quot;&gt;&lt;li&gt;&lt;p&gt;原理：&lt;/p&gt;&lt;div style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;p&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/span&gt;&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;流程：高纯硅粉→氮气气氛高温反应→破碎、研磨、分级→α‑Si₃N₄粉体。&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;特点：&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;纯度高、工艺成熟&lt;/span&gt;；强放热易局部过热、硅熔融团聚，需精准控温与散热。&lt;/p&gt;&lt;/li&gt;&lt;/ul&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;h4 style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;2. 碳热还原氮化法（CRN，成本最低）&lt;/h4&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;ul style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot; class=&quot; list-paddingleft-2&quot;&gt;&lt;li&gt;&lt;p&gt;原理：&lt;/p&gt;&lt;div style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;p&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/span&gt;&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;流程：石英粉（SiO₂）+ 炭黑→混合均匀→氮气下高温还原氮化→除碳、粉碎→α‑Si₃N₄。&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;特点：&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;原料廉价、适合大规模&lt;/span&gt;；易残留碳 / SiC 杂质，氧含量偏高，适合中低端陶瓷。&lt;/p&gt;&lt;/li&gt;&lt;/ul&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;h4 style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;3. 亚胺分解法（高纯 / 超细粉）&lt;/h4&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;ul style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot; class=&quot; list-paddingleft-2&quot;&gt;&lt;li&gt;&lt;p&gt;原理：&lt;/p&gt;&lt;div style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;p&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;SiCl&lt;/span&gt;&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;4&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;+&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;6&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;NH&lt;/span&gt;&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;3&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;0&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;∘&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;C&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;Si(NH)&lt;/span&gt;&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;2&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;+&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;4&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;NH&lt;/span&gt;&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;4&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;Cl&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;&lt;div style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;p&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;3&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;Si(NH)&lt;/span&gt;&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;2&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&amp;gt;&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;120&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;0&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;∘&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;C&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;Si&lt;/span&gt;&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;3&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;N&lt;/span&gt;&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;4&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;+&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;N&lt;/span&gt;&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;2&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;+&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;3&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;H&lt;/span&gt;&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;2&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;流程：四氯化硅 + 液氨→低温生成亚氨基硅→洗涤除氯化铵→高温煅烧分解→高纯 α‑Si₃N₄。&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;特点：&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;纯度极高、粒径细、分散性好&lt;/span&gt;；成本高、工艺复杂，适合电子 / 高导热陶瓷。&lt;/p&gt;&lt;/li&gt;&lt;/ul&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;h4 style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;4. 化学气相沉积法（CVD，薄膜 / 纳米粉）&lt;/h4&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;ul style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot; class=&quot; list-paddingleft-2&quot;&gt;&lt;li&gt;&lt;p&gt;原理：&lt;/p&gt;&lt;div style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;p&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/span&gt;&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;流程：硅烷 / 卤化硅 + 氨气→高温气相反应→沉积粉体或薄膜。&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;特点：&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;超细高纯、无团聚&lt;/span&gt;；设备昂贵、产量低，多用于半导体钝化膜、纳米粉体。&lt;/p&gt;&lt;/li&gt;&lt;/ul&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;hr style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box; border-right: 0px solid rgb(0, 0, 0); border-bottom: 0px solid rgb(0, 0, 0); border-left: 0px solid rgb(0, 0, 0); border-top-style: solid; border-top-color: rgb(0, 0, 0);&quot;&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;h3 style=&quot;color: rgb(0, 0, 0); font-variant-num -bottom: 0px; background: none 0% 0% / auto repeat scroll padding-box border-box rgba(0, 0, 0, 0);&quot;&gt;二、氮化硅陶瓷烧结（四大致密化工艺）&lt;/h3&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;h4 style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;1. 反应烧结（低成本、近净成形）&lt;/h4&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;ul style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot; class=&quot; list-paddingleft-2&quot;&gt;&lt;li&gt;&lt;p&gt;流程：硅粉 + 少量烧结助剂→干压 / 冷等静压→氮气下 1350–1450℃反应烧结（同时氮化 + 致密化）。&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;特点：&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;收缩小、尺寸精度高、成本低&lt;/span&gt;；致密度约 85–90%，强度 / 耐热性一般，适合结构件、轴承滚珠。&lt;/p&gt;&lt;/li&gt;&lt;/ul&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;h4 style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;2. 气压烧结（GPS，高性能主流）&lt;/h4&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;ul style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot; class=&quot; list-paddingleft-2&quot;&gt;&lt;li&gt;&lt;p&gt;流程：Si₃N₄粉体 + Y₂O₃/Al₂O₃等助剂→球磨混合→造粒→干压 / 注射成型→脱脂→1700–1850℃、5–10MPa 氮气压力下烧结。&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;特点：&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;致密度≥99%、强度高、导热好&lt;/span&gt;；设备投资大、周期长，适合高端轴承、刀具、燃气轮机部件。&lt;/p&gt;&lt;/li&gt;&lt;/ul&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;h4 style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;3. 热等静压（HIP，极致致密）&lt;/h4&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;ul style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot; class=&quot; list-paddingleft-2&quot;&gt;&lt;li&gt;&lt;p&gt;流程：素坯→包套（玻璃 / 金属）→1700–1900℃、100–200MPa 氩气压力下烧结。&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;特点：&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;全致密、晶粒细小、性能最优&lt;/span&gt;；成本极高，仅用于航空航天、核工业等极限工况。&lt;/p&gt;&lt;/li&gt;&lt;/ul&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;h4 style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;4. 放电等离子烧结（SPS，快速节能）&lt;/h4&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;ul style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot; class=&quot; list-paddingleft-2&quot;&gt;&lt;li&gt;&lt;p&gt;流程：粉体 + 助剂→石墨模具→1500–1650℃、50–100MPa、脉冲电流快速烧结（5–30 分钟）。&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;特点：&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;速度快、能耗低、晶粒可控&lt;/span&gt;；设备贵、单件成本高，适合小批量高性能件、高导热基板。&lt;/p&gt;&lt;/li&gt;&lt;/ul&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;hr style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box; border-right: 0px solid rgb(0, 0, 0); border-bottom: 0px solid rgb(0, 0, 0); border-left: 0px solid rgb(0, 0, 0); border-top-style: solid; border-top-color: rgb(0, 0, 0);&quot;&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;h3 style=&quot;color: rgb(0, 0, 0); font-variant-num -bottom: 0px; background: none 0% 0% / auto repeat scroll padding-box border-box rgba(0, 0, 0, 0);&quot;&gt;三、工艺对比与选型参考&lt;/h3&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;h4 style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;粉体制备对比&lt;/h4&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;div style=&quot;font-variant-num t d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;div style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;div style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;表格&lt;/div&gt;&lt;div style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;div style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;div style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;div style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;/div&gt;&lt;/div&gt;&lt;div style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;div style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;div style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;table&gt;&lt;tr style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot; class=&quot;firstRow&quot;&gt;&lt;th style=&quot;font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-size-adjust: none; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-variant-emoji: normal; font-stretch: normal; line-height: 24px; text-align: center; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background: none 0% 0% / auto repeat scroll padding-box border-box rgba(0, 0, 0, 0);&quot;&gt;工艺&lt;/th&gt;&lt;th style=&quot;font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-size-adjust: none; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-variant-emoji: normal; font-stretch: normal; line-height: 24px; text-align: center; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background: none 0% 0% / auto repeat scroll padding-box border-box rgba(0, 0, 0, 0);&quot;&gt;纯度&lt;/th&gt;&lt;th style=&quot;font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-size-adjust: none; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-variant-emoji: normal; font-stretch: normal; line-height: 24px; text-align: center; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background: none 0% 0% / auto repeat scroll padding-box border-box rgba(0, 0, 0, 0);&quot;&gt;粒径&lt;/th&gt;&lt;th style=&quot;font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-size-adjust: none; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-variant-emoji: normal; font-stretch: normal; line-height: 24px; text-align: center; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background: none 0% 0% / auto repeat scroll padding-box border-box rgba(0, 0, 0, 0);&quot;&gt;成本&lt;/th&gt;&lt;th style=&quot;font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-size-adjust: none; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-variant-emoji: normal; font-stretch: normal; line-height: 24px; text-align: center; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background: none 0% 0% / auto repeat scroll padding-box border-box rgba(0, 0, 0, 0);&quot;&gt;适用场景&lt;/th&gt;&lt;/tr&gt;&lt;tr style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;直接氮化&lt;/td&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;高（98–99%）&lt;/td&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;1–5 μm&lt;/td&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;中&lt;/td&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;工业陶瓷、轴承&lt;/td&gt;&lt;/tr&gt;&lt;tr style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;碳热还原&lt;/td&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;中（95–98%）&lt;/td&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;2–10 μm&lt;/td&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;低&lt;/td&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;耐火材料、磨料&lt;/td&gt;&lt;/tr&gt;&lt;tr style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;亚胺分解&lt;/td&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;极高（&amp;gt;99.9%）&lt;/td&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;0.1–1 μm&lt;/td&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;高&lt;/td&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;高导热陶瓷、电子&lt;/td&gt;&lt;/tr&gt;&lt;tr style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;CVD&lt;/td&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;极高&lt;/td&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;纳米级&lt;/td&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;极高&lt;/td&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;薄膜、纳米粉&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;/div&gt;&lt;/div&gt;&lt;/div&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;h4 style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;烧结工艺对比&lt;/h4&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;div style=&quot;font-variant-num t d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;div style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;div style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;表格&lt;/div&gt;&lt;div style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;div style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;div style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;div style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;/div&gt;&lt;/div&gt;&lt;div style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;div style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;div style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;table&gt;&lt;tr style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot; class=&quot;firstRow&quot;&gt;&lt;th style=&quot;font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-size-adjust: none; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-variant-emoji: normal; font-stretch: normal; line-height: 24px; text-align: center; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background: none 0% 0% / auto repeat scroll padding-box border-box rgba(0, 0, 0, 0);&quot;&gt;工艺&lt;/th&gt;&lt;th style=&quot;font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-size-adjust: none; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-variant-emoji: normal; font-stretch: normal; line-height: 24px; text-align: center; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background: none 0% 0% / auto repeat scroll padding-box border-box rgba(0, 0, 0, 0);&quot;&gt;致密度&lt;/th&gt;&lt;th style=&quot;font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-size-adjust: none; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-variant-emoji: normal; font-stretch: normal; line-height: 24px; text-align: center; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background: none 0% 0% / auto repeat scroll padding-box border-box rgba(0, 0, 0, 0);&quot;&gt;强度&lt;/th&gt;&lt;th style=&quot;font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-size-adjust: none; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-variant-emoji: normal; font-stretch: normal; line-height: 24px; text-align: center; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background: none 0% 0% / auto repeat scroll padding-box border-box rgba(0, 0, 0, 0);&quot;&gt;成本&lt;/th&gt;&lt;th style=&quot;font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-size-adjust: none; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-variant-emoji: normal; font-stretch: normal; line-height: 24px; text-align: center; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background: none 0% 0% / auto repeat scroll padding-box border-box rgba(0, 0, 0, 0);&quot;&gt;适用场景&lt;/th&gt;&lt;/tr&gt;&lt;tr style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;反应烧结&lt;/td&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;85–90%&lt;/td&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;低–中&lt;/td&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;低&lt;/td&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;结构件、低负荷轴承&lt;/td&gt;&lt;/tr&gt;&lt;tr style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;气压烧结&lt;/td&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;≥99%&lt;/td&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;高&lt;/td&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;中–高&lt;/td&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;高端轴承、刀具、发动机&lt;/td&gt;&lt;/tr&gt;&lt;tr style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;热等静压&lt;/td&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;100%&lt;/td&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;极高&lt;/td&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;极高&lt;/td&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;航空航天、核工业&lt;/td&gt;&lt;/tr&gt;&lt;tr style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;SPS&lt;/td&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;≥99%&lt;/td&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;高&lt;/td&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;高&lt;/td&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;高导热基板、小批量高端件&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;/div&gt;&lt;/div&gt;&lt;/div&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;hr style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box; border-right: 0px solid rgb(0, 0, 0); border-bottom: 0px solid rgb(0, 0, 0); border-left: 0px solid rgb(0, 0, 0); border-top-style: solid; border-top-color: rgb(0, 0, 0);&quot;&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;h3 style=&quot;color: rgb(0, 0, 0); font-variant-num -bottom: 0px; background: none 0% 0% / auto repeat scroll padding-box border-box rgba(0, 0, 0, 0);&quot;&gt;四、关键技术要点&lt;/h3&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;ol style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot; class=&quot; list-paddingleft-2&quot;&gt;&lt;li&gt;&lt;p&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;粉体质量控制&lt;/span&gt;：α 相含量（&amp;gt;90%）、氧含量（&amp;lt;1.5%）、粒径分布（窄）直接决定烧结活性与最终性能。&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;烧结助剂体系&lt;/span&gt;：常用 Y₂O₃‑Al₂O₃、Y₂O₃‑MgO 等，控制晶界相组成与熔点，促进致密化并提升高温性能。&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;气氛与压力&lt;/span&gt;：氮气气氛防止分解；气压（GPS/HIP）抑制晶粒生长、促进致密化。&lt;/p&gt;&lt;/li&gt;&lt;/ol&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;hr style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box; border-right: 0px solid rgb(0, 0, 0); border-bottom: 0px solid rgb(0, 0, 0); border-left: 0px solid rgb(0, 0, 0); border-top-style: solid; border-top-color: rgb(0, 0, 0);&quot;&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;h3 style=&quot;color: rgb(0, 0, 0); font-variant-num -bottom: 0px; background: none 0% 0% / auto repeat scroll padding-box border-box rgba(0, 0, 0, 0);&quot;&gt;五、典型工业路线（高导热轴承陶瓷）&lt;/h3&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;碳热还原 / 直接氮化 Si₃N₄粉→（Y₂O₃+Al₂O₃）助剂→球磨→喷雾造粒→干压成型→脱脂→气压烧结（1800℃、8MPa N₂）→精加工→氮化硅轴承套圈 / 滚珠。&lt;/div&gt;&lt;p&gt;&lt;br&gt;&lt;/p&gt;</description><pubDate>Wed, 27 May 2026 17:01:47 +0800</pubDate></item><item><title>为什么是“单晶”高镍三元正极？</title><link>https://luancb.cn/post/1532.html</link><description>&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify; text-indent: 2em;&quot;&gt;锂离子电池广泛应用于新能源汽车中，能量密度和安全问题是目前锂离子电池所面临的主要挑战。与其他锂电正极材料相比，高镍正极材料（LiNi&lt;span style=&quot;box-sizing: border-box; position: relative; font-size: 10.5px; line-height: 0; vertical-align: baseline; bottom: -0.25em;&quot;&gt;x&lt;/span&gt;Co&lt;span style=&quot;box-sizing: border-box; position: relative; font-size: 10.5px; line-height: 0; vertical-align: baseline; bottom: -0.25em;&quot;&gt;y&lt;/span&gt;Mn&lt;span style=&quot;box-sizing: border-box; position: relative; font-size: 10.5px; line-height: 0; vertical-align: baseline; bottom: -0.25em;&quot;&gt;z&lt;/span&gt;O&lt;span style=&quot;box-sizing: border-box; position: relative; font-size: 10.5px; line-height: 0; vertical-align: baseline; bottom: -0.25em;&quot;&gt;2&lt;/span&gt;，x+y+z=1，x&amp;gt;0.6）的能量密度高，具有大规模商业化应用前景，但是多晶高镍正极在长循环过程中会产生严重的微裂纹，造成容量快速衰减。单晶正极材料能够有效抑制微裂纹的形成，缓解正极表面与电解液的副反应，延长循环寿命，因此单晶化处理高镍三元材料对提升其循性能和安全性能具有重要的研究意义。&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p&gt;&lt;br style='box-sizing: border-box; color: rgb(51, 51, 51); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);'&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: center;&quot;&gt;&lt;img src=&quot;https://xue.cnpowder.com.cn/img/daily/2023/07/06/164329_262275_newsimg_news.png&quot; width=&quot;400&quot; style=&quot;box-sizing: border-box; border: 0px; vertical-align: middle;&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: center;&quot;&gt;多晶和单晶三元材料的形貌对比—（a，b）多晶、（c，d）单晶&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify; text-indent: 2em;&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify; text-indent: 2em;&quot;&gt;目前商业化使用的NCM523、NCM622等三元材料，都是通过共沉淀法使大量一次颗粒团聚合成的多晶二次颗粒。二次颗粒是由形状为不规则多面体的纳米级一次颗粒团聚而成的，因而在充放电过程中，二次颗粒发生相变时一次颗粒产生的各向异性形变的方向随机，相邻一次颗粒产生的应力会在晶界处相互作用。因此，由一次颗粒团聚形成的二次颗粒在充放电过程中晶界处应力积累，直接导致了二次颗粒晶间裂纹的产生。&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify; text-indent: 2em;&quot;&gt;多晶高镍正极材料容量衰减的主要原因之一，是循环过程中晶间裂纹的形成。晶间裂纹使一次颗粒之间的接触不紧密，产生缝隙导致二次颗粒内部电导率下降，同时晶间裂纹会使电解液进入二次颗粒内部，增大电解液与二次颗粒的接触面积，加剧副反应。&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify; text-indent: 2em;&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: center;&quot;&gt;&lt;img src=&quot;https://xue.cnpowder.com.cn/img/daily/2023/07/06/164410_819664_newsimg_news.png&quot; width=&quot;400&quot; style=&quot;box-sizing: border-box; border: 0px; vertical-align: middle;&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: center;&quot;&gt;高镍三元正极材料二次颗粒的晶间裂纹产生示意图&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify; text-indent: 2em;&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify; text-indent: 2em;&quot;&gt;综上所述，裂纹不仅会导致内部电荷分布不均匀，还会暴露颗粒内部更多的活性位点，使之与电解液发生反应，加剧了不可逆相变和副反应，从而加速材料的失活。&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify; text-indent: 2em;&quot;&gt;除晶间裂纹之外，高镍三元正极材料在长期的循环过程中，还会产生晶内裂纹。Li+在充放电过程中反复从晶体结构中脱嵌，放大了晶内应变，降低了结构稳定性。晶体内部的各向异性应变会造成晶体内不均匀应力，这种不均匀应力和Li+的不均匀脱嵌共同作用，最终导致晶内裂纹的形成。晶内裂纹的积累会导致更严重的初级颗粒的破碎，最终造成二次颗粒结构破碎，导致材料失活。&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify; text-indent: 2em;&quot;&gt;目前高镍三元材料主要以多晶材料为主，而多晶材料最致命的问题就是上述的晶间裂纹，晶间裂纹的出现会阻碍锂离子在颗粒内部的传递，也会削弱材料在高脱锂状态下的结构稳定性。随着循环的进行，微裂纹会逐渐增多并沿着晶界扩展，最终会导致二次晶粒的破裂，二次颗粒破裂致使电解液与正极材料接触面积更大，副反应更严重，从而导致恶性循环。&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify; text-indent: 2em;&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: center;&quot;&gt;&lt;img src=&quot;https://xue.cnpowder.com.cn/img/daily/2023/07/06/164551_130015_newsimg_news.png&quot; width=&quot;400&quot; style=&quot;box-sizing: border-box; border: 0px; vertical-align: middle;&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: center;&quot;&gt;多晶和单晶NMC材料中的颗粒断裂示意图&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify; text-indent: 2em;&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify; text-indent: 2em;&quot;&gt;材料单晶化能够有效地抑制二次颗粒微裂纹的产生，单晶颗粒之间没有晶界，所以单晶颗粒在长循环过程中只有可能出现晶内裂纹，不会产生晶间裂纹；同时，单晶材料在充放电过程中可以有效地抑制材料由H2→H3的不可逆相变，大大提升循环性能。此外，相比多晶，单晶材料在产气、压实密度、热稳定性、高温循环性能等方面具有显著优势。&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify; text-indent: 2em;&quot;&gt;但是，到目前为止对镍含量大于80%的三元材料的单晶化研究相对较少，单晶材料的合成因为需要高温而导致合成过程能耗较高，且高镍单晶材料的合成工艺相比于多晶材料更复杂，这都需要研究人员继续深入研究，不断改善单晶材料的制备工艺、提高单晶材料的性能，使单晶材料应用更广泛。&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify; text-indent: 2em;&quot;&gt;目前以高镍三元正极材料为主的动力电池领域中，NCM622和NCM811在近几年的市场售额上也在逐年提高，为追求高能量密度，持续增高的“高镍”路线仍然成为一个发展的趋势。在人们最关心的安全性方面，单晶型材料由于更好的结构稳定性，而展现出较好的优势，另外，良好的结构稳定性也会在“高电压”条件下有良好的发展前景。最后，伴随着市场的需求，进一步的降低成本也逐渐被重视起来，因此“无钴”材料在近几年被广泛关注，未来高镍三元材料的发展方向必然是“无钴超高镍单晶三元正极材料”。&lt;/p&gt;&lt;p&gt;&lt;br&gt;&lt;/p&gt;</description><pubDate>Wed, 27 May 2026 15:54:07 +0800</pubDate></item><item><title>生物压电陶瓷材料</title><link>https://luancb.cn/post/1531.html</link><description>&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify;&quot;&gt;人体骨头主要是由活细胞和无机矿物质（钙和磷）构成。然而，由于先天因素（遗传、感染、孕期营养不足等）或后天因素（创伤、骨病、炎症等）可能会导致骨骼受到损伤造成骨缺损。骨缺损的治疗策略多种多样，对于严重骨缺损，则需要采用更为积极的骨移植手术治疗方法。骨移植手术主要包括自体骨移植、异体骨移植和采用人工骨替代材料移植。目前，常见的人工骨替代材料包括医用金属材料、高分子材料、生物陶瓷材料及复合材料等。其中，生物陶瓷材料由于其出色的生物兼容性和生物活性，被广泛应用于骨缺损修复的治疗中。尤其是具有压电效应（正压电效应和逆压电效应）的生物压电陶瓷材料在骨组织工程中表现出独特的优势。&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255);&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify;&quot;&gt;&lt;span style=&quot;box-sizing: border-box; font-weight: 700;&quot;&gt;生物陶瓷材料&lt;/span&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255);&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify;&quot;&gt;生物陶瓷材料可以分为生物惰性和生物活性两大类，生物惰性陶瓷指的是那些化学上稳定且具有良好生物兼容性的陶瓷，如氧化铝陶瓷、氧化锆、氮化硅以及医用碳素材料等。这些材料具有较高的强度，耐磨性能良好，分子间的吸引力较强。生物活性陶瓷特指那些在生物环境中能够逐渐降解、被吸收，并能与生物体形成稳定化学键的材料。这种特性使它们能够与周围的骨组织直接结合，支持新骨的生长和修复，包括羟基磷灰石、表面活性玻璃和生物活性玻璃陶瓷等。&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255);&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify;&quot;&gt;&lt;span style=&quot;box-sizing: border-box; font-weight: 700;&quot;&gt;生物压电陶瓷材料&lt;/span&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255);&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify;&quot;&gt;生物压电陶瓷材料作为一类专门设计用于医疗和生物学应用的特殊陶瓷，其传统的生物陶瓷主要用于牙齿修复和骨组织再生。生物压电陶瓷不仅具有压电陶瓷的基本特性，能将机械能和电能互相转换，而且具有良好的生物相容性，在生物医学领域具有广泛的应用。&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255);&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify;&quot;&gt;自20世纪下半叶以来，生物陶瓷被广泛用作硬组织工程的替代品。在骨修复过程中，生物压电陶瓷可以作为一种植入物，用于填充骨缺损或加固骨折部位。由于具有压电性能，当生物压电陶瓷受到外力作用时，能够产生微电流，这种微电流可以刺激周围的骨细胞，促进骨组织的再生和修复。具有生物活性的压电陶瓷材料作为骨植入物，能够在受力时生成电荷，恢复损伤骨组织表面电势，从而达到促进骨愈合的目的。与此同时，生物压电陶瓷能够与周围组织形成良好的结合，减少排异反应和感染的风险。从历史上看，第一个用作合成骨移植物的生物陶瓷是HA和β-TCP，两者都是通过烧结在高温下获得的。&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255);&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify;&quot;&gt;生物压电陶瓷的种类多样，主要由压电单晶、压电多晶以及这些材料与聚合物结合形成的复合压电材料构成。压电单晶：如铌酸锂（LiNbO&lt;span style=&quot;box-sizing: border-box; position: relative; font-size: 10.5px; line-height: 0; vertical-align: baseline; bottom: -0.25em;&quot;&gt;3&lt;/span&gt;）单晶，它具有良好的压电性能和稳定性，常用于制作高精度的压电传感器和换能器。压电多晶体：如钛酸钡（BaTiO&lt;span style=&quot;box-sizing: border-box; position: relative; font-size: 10.5px; line-height: 0; vertical-align: baseline; bottom: -0.25em;&quot;&gt;3&lt;/span&gt;）压电陶瓷和锆钛酸铅（PZT）等。此外，还有与聚合物复合而成的复合压电陶瓷材料，它们结合了压电陶瓷和聚合物的优点，提高了材料的柔韧性和加工性，同时保持了良好的压电性能。&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255);&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify;&quot;&gt;&lt;span style=&quot;box-sizing: border-box; font-weight: 700;&quot;&gt;钛酸钡生物压电陶瓷 &lt;/span&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255);&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify;&quot;&gt;钛酸钡（BaTiO&lt;span style=&quot;box-sizing: border-box; position: relative; font-size: 10.5px; line-height: 0; vertical-align: baseline; bottom: -0.25em;&quot;&gt;3&lt;/span&gt;）作为一种具有优异压电性能的无机非金属材料，是一种会产生压电信号的压电材料，能够促进成骨细胞的增殖分化，并且具有可以满足骨骼生理负载的机械强度，在骨组织工程研究中应用较为广泛。1981年，park等人首次将BaTiO&lt;span style=&quot;box-sizing: border-box; position: relative; font-size: 10.5px; line-height: 0; vertical-align: baseline; bottom: -0.25em;&quot;&gt;3&lt;/span&gt;压电陶瓷材料作为骨修复材料，并将其植入狗的股骨皮质内，成功实现了优秀的骨结合，这项研究首次证实了一种无需外部电源，仅依赖压电材料自身产生的电力来促进骨折愈合的电刺激治疗方法。&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255);&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify;&quot;&gt;BaTiO&lt;span style=&quot;box-sizing: border-box; position: relative; font-size: 10.5px; line-height: 0; vertical-align: baseline; bottom: -0.25em;&quot;&gt;3&lt;/span&gt;压电陶瓷材料还可以应用在生物支架方面修复骨缺损，Liu等开发了由BaTiO&lt;span style=&quot;box-sizing: border-box; position: relative; font-size: 10.5px; line-height: 0; vertical-align: baseline; bottom: -0.25em;&quot;&gt;3&lt;/span&gt;压电陶瓷材料组成的生物活性复合支架，通过细胞和动物研究的结果表明，压电效应可以显著增强成骨和血管生成。&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255);&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify;&quot;&gt;&lt;span style=&quot;box-sizing: border-box; font-weight: 700;&quot;&gt;BCZT生物压电陶瓷&lt;/span&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255);&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify;&quot;&gt;BCZT压电陶瓷是一种在传统的钛酸锆钡（BZT）压电陶瓷中引入钙 (Ca) 元素来改善其性能的压电材料。这种材料因其优异的压电性能、较高的热稳定性以及良好的生物相容性而引起科研界和工业界的广泛关注。BCZT压电陶瓷展现出的优异特性使其在多个领域具有潜在的应用价值，尤其是在需要精确控制和高灵敏度传感的应用中，如精密机械控制、能量收集、生物医学传感器以及药物输送系统等。 &lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255);&quot;&gt;&lt;br style=&quot;box-sizing: border-box;&quot;&gt;&lt;/p&gt;&lt;p style=&quot;box-sizing: bord d-color: rgb(255, 255, 255); line-height: 1.75em; text-align: justify;&quot;&gt;由于BCZT压电陶瓷具有良好的生物相容性，使得其在医疗和生物医学领域，特别是在需要与生物组织直接接触的应用中，如植入式医疗设备和生物传感器，成为一种非常有吸引力的材料。在医疗技术领域，BCZT材料的生物相容性和压电性能使其成为开发新一代医疗诊断工具和治疗方法的理想材料，包括用于精确药物输送和监测生物体内部活动的压电式生物传感器。&lt;/p&gt;&lt;p&gt;&lt;br&gt;&lt;/p&gt;</description><pubDate>Tue, 26 May 2026 16:47:24 +0800</pubDate></item><item><title>碳酸锂的制造工艺</title><link>https://luancb.cn/post/1530.html</link><description>&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;碳酸锂（Li₂CO₃）主流生产工艺按原料分为三大路线：&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;矿石提锂（锂辉石 / 锂云母）、盐湖卤水提锂、黏土提锂&lt;/span&gt;。其中，&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;硫酸法（锂辉石）&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;与&lt;/span&gt;盐湖吸附 / 膜法&lt;/span&gt;是当前绝对主流。&lt;/div&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;hr style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box; border-right: 0px solid rgb(0, 0, 0); border-bottom: 0px solid rgb(0, 0, 0); border-left: 0px solid rgb(0, 0, 0); border-top-style: solid; border-top-color: rgb(0, 0, 0);&quot;&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;h3 style=&quot;color: rgb(0, 0, 0); font-variant-num -bottom: 0px; background: none 0% 0% / auto repeat scroll padding-box border-box rgba(0, 0, 0, 0);&quot;&gt;一、矿石提锂（锂辉石，最成熟，电池级主力）&lt;/h3&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;h4 style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;1. 工艺路线：硫酸焙烧法（占国内矿石路线 90%）&lt;/h4&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;ol style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot; class=&quot; list-paddingleft-2&quot;&gt;&lt;li&gt;&lt;p&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;晶型转化焙烧&lt;/span&gt;：α- 锂辉石（单斜）在 **1075–1250℃** 回转窑中转为 β- 锂辉石（四方），转化率≥98%。&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;酸化焙烧&lt;/span&gt;：β- 锂辉石磨细后与浓硫酸混合，**250℃** 反应生成硫酸锂（Li₂SO₄）。&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;水浸出&lt;/span&gt;：焙砂加水浸出，得到 Li₂SO₄溶液（含 Li₂O 约 10%）。&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;净化除杂&lt;/span&gt;：&lt;/p&gt;&lt;div style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;/li&gt;&lt;/ol&gt;&lt;ul style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot; class=&quot; list-paddingleft-2&quot;&gt;&lt;li&gt;&lt;p&gt;石灰调 pH 至 5–6，除 Fe、Al；&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;纯碱深度除 Ca、Mg；&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;压滤得净化液。&lt;/p&gt;&lt;/li&gt;&lt;/ul&gt;&lt;li&gt;&lt;p&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;蒸发浓缩&lt;/span&gt;：净化液浓缩至 Li₂O 约 20%。&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;沉锂反应&lt;/span&gt;：浓缩液加 Na₂CO₃（95℃），生成粗碳酸锂：&lt;/p&gt;&lt;div style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;p&gt;&lt;span style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/span&gt;&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;精制提纯&lt;/span&gt;：粗品热水洗涤、重结晶、离心、干燥、除磁，得&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;电池级碳酸锂（≥99.5%）&lt;/span&gt;。&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;母液回收&lt;/span&gt;：母液蒸发析钠，冷冻析钾，锂盐循环回用。&lt;/p&gt;&lt;/li&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;h4 style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;2. 工艺特点&lt;/h4&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;ul style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot; class=&quot; list-paddingleft-2&quot;&gt;&lt;li&gt;&lt;p&gt;优点：&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;纯度高（直接电池级）、工艺稳定、周期短（约 3 天）、收率 85–90%&lt;/span&gt;。&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;缺点：&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;能耗高、固废 / 硫酸钠副产多、成本 6–10 万元 / 吨、依赖进口锂辉石&lt;/span&gt;。&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;代表企业：天齐锂业、赣锋锂业、雅化集团。&lt;/p&gt;&lt;/li&gt;&lt;/ul&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;h4 style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;3. 锂云母提锂（国内江西特色）&lt;/h4&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;ul style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot; class=&quot; list-paddingleft-2&quot;&gt;&lt;li&gt;&lt;p&gt;流程：硫酸焙烧→浸出→除杂（杂质多，除杂成本高）→沉锂→精制。&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;特点：原料便宜、杂质高、&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;成本 4–6 万元 / 吨、纯度多为工业级&lt;/span&gt;。&lt;/p&gt;&lt;/li&gt;&lt;/ul&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;hr style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box; border-right: 0px solid rgb(0, 0, 0); border-bottom: 0px solid rgb(0, 0, 0); border-left: 0px solid rgb(0, 0, 0); border-top-style: solid; border-top-color: rgb(0, 0, 0);&quot;&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;h3 style=&quot;color: rgb(0, 0, 0); font-variant-num -bottom: 0px; background: none 0% 0% / auto repeat scroll padding-box border-box rgba(0, 0, 0, 0);&quot;&gt;二、盐湖卤水提锂（成本最低，主流降本方向）&lt;/h3&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;h4 style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;1. 主流工艺：吸附法（青海 / 西藏）、膜分离法、电渗析法&lt;/h4&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;ol style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot; class=&quot; list-paddingleft-2&quot;&gt;&lt;li&gt;&lt;p&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;卤水预处理&lt;/span&gt;：盐湖卤水（Li⁺ 0.05–0.3%，高 Mg/Li 比）自然蒸发浓缩。&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;锂富集（核心）&lt;/span&gt;：&lt;/p&gt;&lt;div style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;/li&gt;&lt;/ol&gt;&lt;ul style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot; class=&quot; list-paddingleft-2&quot;&gt;&lt;li&gt;&lt;p&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;吸附法&lt;/span&gt;：专用吸附剂（如锰系 / 钛系）选择性吸附 Li⁺，洗脱得富锂液（Li⁺ 5–10g/L）。&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;膜分离&lt;/span&gt;：纳滤 / 反渗透分离 Mg²⁺/Li⁺，浓缩锂。&lt;/p&gt;&lt;/li&gt;&lt;/ul&gt;&lt;li&gt;&lt;p&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;净化除杂&lt;/span&gt;：除 Ca、Mg、Fe、B 等杂质。&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;沉锂&lt;/span&gt;：加 Na₂CO₃沉淀得粗碳酸锂。&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;精制&lt;/span&gt;：多次重结晶、洗涤、干燥，达电池级。&lt;/p&gt;&lt;/li&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;h4 style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;2. 工艺特点&lt;/h4&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;ul style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot; class=&quot; list-paddingleft-2&quot;&gt;&lt;li&gt;&lt;p&gt;优点：&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;成本极低（3–4 万元 / 吨，盐湖股份约 2 万）、原料丰富、环保好&lt;/span&gt;。&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;缺点：&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;受气候限制（冬季减产）、高镁锂比技术门槛高、周期长（3–6 个月）&lt;/span&gt;。&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;代表企业：盐湖股份、藏格矿业、西藏矿业。&lt;/p&gt;&lt;/li&gt;&lt;/ul&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;hr style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box; border-right: 0px solid rgb(0, 0, 0); border-bottom: 0px solid rgb(0, 0, 0); border-left: 0px solid rgb(0, 0, 0); border-top-style: solid; border-top-color: rgb(0, 0, 0);&quot;&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;h3 style=&quot;color: rgb(0, 0, 0); font-variant-num -bottom: 0px; background: none 0% 0% / auto repeat scroll padding-box border-box rgba(0, 0, 0, 0);&quot;&gt;三、黏土提锂（新兴路线，美国 / 澳洲）&lt;/h3&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;ul style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot; class=&quot; list-paddingleft-2&quot;&gt;&lt;li&gt;&lt;p&gt;流程：黏土矿（Li⁺ 0.3–1.0%）→酸浸→萃取→反萃→净化→沉锂→精制。&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;特点：&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;资源分布广、杂质复杂、成本中等、工业化初期&lt;/span&gt;。&lt;/p&gt;&lt;/li&gt;&lt;/ul&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;hr style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box; border-right: 0px solid rgb(0, 0, 0); border-bottom: 0px solid rgb(0, 0, 0); border-left: 0px solid rgb(0, 0, 0); border-top-style: solid; border-top-color: rgb(0, 0, 0);&quot;&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;h3 style=&quot;color: rgb(0, 0, 0); font-variant-num -bottom: 0px; background: none 0% 0% / auto repeat scroll padding-box border-box rgba(0, 0, 0, 0);&quot;&gt;四、工艺对比（2026 年）&lt;/h3&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;div style=&quot;font-variant-num t d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;div style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;div style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;表格&lt;/div&gt;&lt;div style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;div style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;div style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;div style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;/div&gt;&lt;/div&gt;&lt;div style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;div style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;div style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;table&gt;&lt;tr style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot; class=&quot;firstRow&quot;&gt;&lt;th style=&quot;font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-size-adjust: none; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-variant-emoji: normal; font-stretch: normal; line-height: 24px; text-align: center; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background: none 0% 0% / auto repeat scroll padding-box border-box rgba(0, 0, 0, 0);&quot;&gt;路线&lt;/th&gt;&lt;th style=&quot;font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-size-adjust: none; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-variant-emoji: normal; font-stretch: normal; line-height: 24px; text-align: center; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background: none 0% 0% / auto repeat scroll padding-box border-box rgba(0, 0, 0, 0);&quot;&gt;原料&lt;/th&gt;&lt;th style=&quot;font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-size-adjust: none; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-variant-emoji: normal; font-stretch: normal; line-height: 24px; text-align: center; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background: none 0% 0% / auto repeat scroll padding-box border-box rgba(0, 0, 0, 0);&quot;&gt;成本（万元 / 吨）&lt;/th&gt;&lt;th style=&quot;font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-size-adjust: none; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-variant-emoji: normal; font-stretch: normal; line-height: 24px; text-align: center; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background: none 0% 0% / auto repeat scroll padding-box border-box rgba(0, 0, 0, 0);&quot;&gt;纯度&lt;/th&gt;&lt;th style=&quot;font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-size-adjust: none; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-variant-emoji: normal; font-stretch: normal; line-height: 24px; text-align: center; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background: none 0% 0% / auto repeat scroll padding-box border-box rgba(0, 0, 0, 0);&quot;&gt;周期&lt;/th&gt;&lt;th style=&quot;font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-size-adjust: none; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-variant-emoji: normal; font-stretch: normal; line-height: 24px; text-align: center; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background: none 0% 0% / auto repeat scroll padding-box border-box rgba(0, 0, 0, 0);&quot;&gt;环保&lt;/th&gt;&lt;/tr&gt;&lt;tr style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;锂辉石硫酸法&lt;/td&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;锂辉石精矿&lt;/td&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;6–10&lt;/td&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;电池级（99.5%+）&lt;/td&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;3 天&lt;/td&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;差（固废多）&lt;/td&gt;&lt;/tr&gt;&lt;tr style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;盐湖吸附法&lt;/td&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;盐湖卤水&lt;/td&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;3–4&lt;/td&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;电池级（99.5%+）&lt;/td&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;3–6 月&lt;/td&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;优&lt;/td&gt;&lt;/tr&gt;&lt;tr style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;锂云母法&lt;/td&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;锂云母&lt;/td&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;4–6&lt;/td&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;工业级 / 电池级&lt;/td&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;7 天&lt;/td&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;中&lt;/td&gt;&lt;/tr&gt;&lt;tr style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;黏土法&lt;/td&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;锂黏土&lt;/td&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;4–5&lt;/td&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;电池级&lt;/td&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;5 天&lt;/td&gt;&lt;td style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;中&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;/div&gt;&lt;/div&gt;&lt;/div&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;hr style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box; border-right: 0px solid rgb(0, 0, 0); border-bottom: 0px solid rgb(0, 0, 0); border-left: 0px solid rgb(0, 0, 0); border-top-style: solid; border-top-color: rgb(0, 0, 0);&quot;&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;h3 style=&quot;color: rgb(0, 0, 0); font-variant-num -bottom: 0px; background: none 0% 0% / auto repeat scroll padding-box border-box rgba(0, 0, 0, 0);&quot;&gt;五、电池级关键指标（GB/T 23853-2022）&lt;/h3&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;ul style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot; class=&quot; list-paddingleft-2&quot;&gt;&lt;li&gt;&lt;p&gt;Li₂CO₃ ≥ &lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;99.5%&lt;/span&gt;&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;Na ≤ &lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;50 ppm&lt;/span&gt;&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;Cl⁻ ≤ &lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;50 ppm&lt;/span&gt;&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;SO₄²⁻ ≤ &lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;100 ppm&lt;/span&gt;&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;磁性异物 ≤ &lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;20 ppb&lt;/span&gt;&lt;/p&gt;&lt;/li&gt;&lt;/ul&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;hr style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box; border-right: 0px solid rgb(0, 0, 0); border-bottom: 0px solid rgb(0, 0, 0); border-left: 0px solid rgb(0, 0, 0); border-top-style: solid; border-top-color: rgb(0, 0, 0);&quot;&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;h3 style=&quot;color: rgb(0, 0, 0); font-variant-num -bottom: 0px; background: none 0% 0% / auto repeat scroll padding-box border-box rgba(0, 0, 0, 0);&quot;&gt;六、发展趋势&lt;/h3&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;ol style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot; class=&quot; list-paddingleft-2&quot;&gt;&lt;li&gt;&lt;p&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;降本&lt;/span&gt;：盐湖提锂占比提升（2026 年约 45%），替代部分矿石路线。&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;高纯化&lt;/span&gt;：重结晶 / 离子交换深度除杂，满足动力电池高要求。&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;母液闭环&lt;/span&gt;：锂盐全回收，降低单耗与排放。&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;低碳化&lt;/span&gt;：绿电替代火电，焙烧 / 蒸发节能改造。&lt;/p&gt;&lt;/li&gt;&lt;/ol&gt;&lt;p&gt;&lt;br&gt;&lt;/p&gt;</description><pubDate>Tue, 26 May 2026 16:39:28 +0800</pubDate></item><item><title>流化床气流磨在粉碎时容易造成堵料的原因</title><link>https://luancb.cn/post/1529.html</link><description>&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;流化床气流磨堵料核心是&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;物料黏附 / 团聚、气流压力 / 流量失衡、进料失控、关键部件堵塞、维护不足&lt;/span&gt;五大类，常多因素叠加。&lt;/div&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;h3 style=&quot;color: rgb(0, 0, 0); font-variant-num -bottom: 0px; background: none 0% 0% / auto repeat scroll padding-box border-box rgba(0, 0, 0, 0);&quot;&gt;一、物料特性（最常见根源）&lt;/h3&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;ul style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot; class=&quot; list-paddingleft-2&quot;&gt;&lt;li&gt;&lt;p&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;水分过高&lt;/span&gt;：物料含水率＞3% 易吸潮发黏，细粉团聚，黏附进料口、喷嘴、腔壁与管道，逐步缩径堵死。&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;粘性 / 塑性强&lt;/span&gt;：树脂、糖类、部分中药等，粉碎中因摩擦生热变软、粘连，形成 “料饼” 堵塞通道。&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;颗粒过细 / 过窄分布&lt;/span&gt;：超微粉（＜5μm）比表面大、表面能高，静电吸附强，易抱团堵分级轮与管路。&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;流动性差 / 形状不规则&lt;/span&gt;：针状、片状、纤维状颗粒易架桥、卡料，进料口与粉碎腔堆积。&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;低熔点 / 热敏感&lt;/span&gt;：粉碎区温度升高（＞60–80℃）时软化、熔融，黏结壁面与喷嘴。&lt;/p&gt;&lt;/li&gt;&lt;/ul&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;h3 style=&quot;color: rgb(0, 0, 0); font-variant-num -bottom: 0px; background: none 0% 0% / auto repeat scroll padding-box border-box rgba(0, 0, 0, 0);&quot;&gt;二、气流系统压力与流量异常&lt;/h3&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;ul style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot; class=&quot; list-paddingleft-2&quot;&gt;&lt;li&gt;&lt;p&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;压缩空气压力不足&lt;/span&gt;：工作压力＜0.6MPa，喷嘴射流速度不够，物料流化差、动能不足，堆积床层变厚、返料堵进料口。&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;气流分配不均&lt;/span&gt;：喷嘴磨损 / 堵塞致局部气流弱，形成死区，物料沉积；流化床层 “偏流”，局部料厚堵料。&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;系统负压不足 / 漏气&lt;/span&gt;：出料管、分级腔、除尘器密封泄漏，负压降低，排料不畅，腔内积料反吹堵进料口。&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;油水混入&lt;/span&gt;：压缩空气带水、油，黏附细粉，喷嘴与管路逐步结垢堵塞。&lt;/p&gt;&lt;/li&gt;&lt;/ul&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;h3 style=&quot;color: rgb(0, 0, 0); font-variant-num -bottom: 0px; background: none 0% 0% / auto repeat scroll padding-box border-box rgba(0, 0, 0, 0);&quot;&gt;三、进料系统失控&lt;/h3&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;ul style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot; class=&quot; list-paddingleft-2&quot;&gt;&lt;li&gt;&lt;p&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;进料过快 / 不稳&lt;/span&gt;：喂料量超设备处理能力，床层过厚、流化失效，物料从进料口反喷堵料；忽快忽慢致床层波动、局部堆积。&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;进料口设计 / 安装问题&lt;/span&gt;：文丘里管磨损、变形或角度不当，负压减弱，物料黏附缩径；进料管弯头多、阻力大，积料堵管。&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;料仓架桥 / 结拱&lt;/span&gt;：料仓锥角＜60°、内壁粗糙、出料口偏小，物料下料不畅，间歇性断料后突然冲料，引发堵料。&lt;/p&gt;&lt;/li&gt;&lt;/ul&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;h3 style=&quot;color: rgb(0, 0, 0); font-variant-num -bottom: 0px; background: none 0% 0% / auto repeat scroll padding-box border-box rgba(0, 0, 0, 0);&quot;&gt;四、粉碎腔与关键部件堵塞&lt;/h3&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;ul style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot; class=&quot; list-paddingleft-2&quot;&gt;&lt;li&gt;&lt;p&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;喷嘴堵塞&lt;/span&gt;：物料潮湿、结块或杂质进入，喷嘴孔黏附 / 卡料，气流减小、流化差，恶性循环致堵料。&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;分级轮堵塞&lt;/span&gt;：细粉黏附叶片与间隙，逐步糊死，出料受阻、腔内压力升高，反吹堵进料口。&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;腔壁 / 导流板黏料&lt;/span&gt;：内壁粗糙、无防粘处理，物料黏附结壳，缩小有效空间，破坏流场，局部积料堵料。&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;出料管道堵塞&lt;/span&gt;：弯头多、管径偏小、内壁不光滑，细粉黏附沉积，尤其低速区，逐步堵死。&lt;/p&gt;&lt;/li&gt;&lt;/ul&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;h3 style=&quot;color: rgb(0, 0, 0); font-variant-num -bottom: 0px; background: none 0% 0% / auto repeat scroll padding-box border-box rgba(0, 0, 0, 0);&quot;&gt;五、设备维护与操作不当&lt;/h3&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;ul style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot; class=&quot; list-paddingleft-2&quot;&gt;&lt;li&gt;&lt;p&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;清理不及时&lt;/span&gt;：长期运行不清理腔壁、喷嘴、分级轮与管道，残留物料硬化、堆积，诱发堵料。&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;部件磨损 / 失效&lt;/span&gt;：喷嘴磨损致气流发散、压力降；分级轮磨损间隙变大，粗粉内循环、积料；密封件老化漏气，负压不足。&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;工艺参数匹配不当&lt;/span&gt;：压力、进料量、分级转速不匹配，如高压低进料易过粉碎、黏附；低压高进料流化差、堆积。&lt;/p&gt;&lt;/li&gt;&lt;/ul&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;h3 style=&quot;color: rgb(0, 0, 0); font-variant-num -bottom: 0px; background: none 0% 0% / auto repeat scroll padding-box border-box rgba(0, 0, 0, 0);&quot;&gt;六、典型堵料位置与因果链&lt;/h3&gt;&lt;div style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;&lt;/div&gt;&lt;ul style=&quot;font-variant-num d-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot; class=&quot; list-paddingleft-2&quot;&gt;&lt;li&gt;&lt;p&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;进料口（文丘里）&lt;/span&gt;：水分高 + 负压不足→黏附缩径→反吹堵料。&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;喷嘴&lt;/span&gt;：潮湿 + 杂质→孔内积料→气流下降→流化差→床层厚→堵料。&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;分级轮&lt;/span&gt;：细粉 + 静电 / 黏附→叶片糊死→出料阻→腔压升→反吹堵料。&lt;/p&gt;&lt;/li&gt;&lt;li&gt;&lt;p&gt;&lt;span style=&quot;font-variant-num d-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;&quot;&gt;出料管弯头&lt;/span&gt;：细粉 + 低速区→沉积→缩径→排料不畅→堵料。&lt;/p&gt;&lt;/li&gt;&lt;/ul&gt;&lt;p&gt;&lt;br&gt;&lt;/p&gt;</description><pubDate>Mon, 25 May 2026 16:51:29 +0800</pubDate></item></channel></rss>