炼钢厂安全技术操作规程（第四部分）
炼钢厂安全技术操作规程汇总
第四部分 RH炉真空精炼技术操作规程
目录
前言： .................................................. 4 1.RH真空处理的工艺流程 .................................. 5 2. RH真空处理模式、周期 ................................. 6 3.各种能源介质的参数 .................................... 7 4.RH钢水真空处理 ........................................ 8 4.1处理前的准备工作 ......................................................................... 8 4.2开始处理 ......................................................................................... 9 4.3提升气体 ......................................................................................... 9 4.4真空泵的操作 ................................................................................. 9 4.5合金化 ........................................................................................... 10 4.6温度控制 ....................................................................................... 11 4.7测温取样 ....................................................................................... 12 4.8处理结束 ....................................................................................... 12 5.检漏操作标准 ......................................... 13 6. RH浸渍管的喷补 ...................................... 14 7. RH真空室的更换 ...................................... 16 7.1准备 ............................................................................................... 16 7.2操作 ............................................................................................... 16 8. RH各部位耐材干燥烘烤加热 ............................ 17
炼钢厂安全技术操作规程（第四部分）
8.1要求 ............................................................................................... 17 8.2真空室在线天然气加热操作 ....................................................... 17 8.3真空室升温制度 ........................................................................... 17 8.4底部烘烤制度 ............................................................................... 17 8.5插入管烘烤制度 ........................................................................... 18 9. RH各部位使用更换及修理 .............................. 19 9.1插入管更换 ................................................................................... 19 9.2 底部更换 ...................................................................................... 20 10. RH内衬砌筑标准 ..................................... 21 10.1 砌筑基本要求 ............................................................................ 21 10.2插入管砌筑与浇注 ..................................................................... 22 10.3循环管砌筑 ................................................................................. 22 10.4炉底与下部槽砌筑 ................................................................ - 22 - 10.5上部槽砌筑 ................................................................................. 23 11.验收标准 ............................................ 25 11.1新插入管验收标准 ..................................................................... 25 11.2新底部验收标准 ......................................................................... 25 11.3新上部验收标准 ......................................................................... 25 12.紧急事故处理对策 .................................... 26 12.1处理中液压升降不能动作 ......................................................... 27 12.2真空处理中钢包穿包 ................................................................. 27 12.3真空处理中突然穿真空槽 .................................................... - 27 -
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炼钢厂安全技术操作规程（第四部分）
12.4真空处理中突然停电 ................................................................. 27 12.5真空处理中突然停机械冷却水 ............................................ - 28 - 12.6真空处理中突然停冷凝水或蒸汽 ........................................ - 28 - 12.7真空处理中突然停仪表压缩空气 ........................................ - 28 - 12.8氧枪使用过程中或提枪后发现漏水处理办法 ................... - 29 - 12.9氧枪使用中断链条或驱动失灵 ------------------------------------- 29 -
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