炼钢厂工艺技术文件.doc

一炼分厂工艺技术文件 --------------------------------------------------------------------------------------- 发布日期：xxxx.10.08 实施日期：xxxx.10.08 目 录 —————————————————————————————————————— ● 基本工艺技术规程 一、原料基本规程（01/01－)············································································1 二、转炉工艺技术规程（01/02－)····································································5 三、吹氩工艺技术规程（01/03－) ··································································12 四、LF-70t钢包精炼炉工艺技术规程（01/04－)·········································13 五、VD-70t钢包精炼炉工艺技术规程（01/05－)··········································16 六、1＃连铸机工艺技术规程（01/06－)···························································19 七、2＃连铸机工艺技术规程（01/07－)···························································32 八、结晶器电磁搅拌操作规程（01/08－) ······················································39 九、结晶器液面自动控制操规程（01/09－) ··················································42 十、放射源安全操作规程（01/10－) ······························································43 ● 钢种工艺技术规程 十、常炼钢种工艺操作要点（01/11－)······················································44 附录：过程质量工艺监控规范···························································································110 一、原料基本规程 (xxxx01/01－) 1、铁水供应 1.1执行标准：炼钢用生铁 表－1 炼钢铁水技术条件参考表 牌 号 L04 L08 L10 化学成分 ％ Si] ≤0.45 0.45~0.85 0.85~1.25 碳[C] ≥3.50 锰[Mn] 一组 ≤0.40 二组 0.40~1.00 1.00~2.00 磷[P] 特级 ≤0.100 一级 0.100~0.150 二级 0.150~0.250 三级 0.250~0.400 S] 特 ≤0.020 一 0.020~0.030 二 0.030~0.050 三 0.050~0.070 铁水温度 ≥120℃ 带渣量 ≤1％ 注：①不作为依据 ③优先使用铁水，铁水尽量少用 1.2当铁水罐到炉前，查明铁水罐号和对应（高炉）炉号，确认该罐号铁水成份已传送至转炉主控室；并按要求做好铁水成分记录； 1.兑铁前应测量铁水温度，并做好铁水温度记录。 兑铁前铁水，做好铁水记录。 2、废钢生铁块供应 2.1废钢执行标准：GB/T4223－《废钢铁》 2.2生铁块技术条件炼钢用生铁 2.3废钢、生铁块分类、分区放 2.4 废钢中有易燃易爆物封闭放射性 废钢使用，残余元素镍、铬、铜、钼、锡、等有色金属 2.5 生铁块表面应洁净，如表面附有炉渣、砂粒等应清除掉，但允许附有石灰和石墨。 2.6每斗废钢、生铁块重量和配比，废钢、生铁块装斗时重型废钢和生铁块装在斗后面，轻型废钢装在斗前 2.7 入炉废钢和生铁块应过磅，并按实际重量做好记录 2.8 废钢料斗容积：13 m3，长×宽×高： 8300×1350×1450mm3。 3、铁合金和脱氧剂供应 3.1各类铁合金、脱氧剂技术条件 表－