文档介绍：降料面法消除炉墙上部结厚
黄玉兴,辛公良,刘  欣,王全贵,刘志奎
(济南钢铁集团总公司第二炼铁厂,山东济南250100 )
摘要:济钢第二炼铁厂1#高炉因操作过急、风口配置不合理、原燃料波动等原因,出现悬料、崩料、偏料以及冷却壁水温差变化等炉墙结厚征兆,影响了高炉的正常生产,各项技术经济指标恶化。利用高炉计划检修的机会,采用炉喉加喷水管控制顶温的降料面操作,使炉墙结厚物大部分脱落,达到了预期目的。
关键词:高炉;炉墙结厚;降料面;炉况
中图分类号:TF549+.2 文献标识码:B 文章编号:1004-4620(2004)05-0008-02
Eliminating BF Upper Wall Accretion with the Method of Lowering Charge Level
HUANG Yu-xing, XIN Gong-liang, LIU Xin, WANG Quan-gui, LIU Zhi-kui
( Ironmaking Plant of Jinan Iron and Steel Group Corporation, Jinan 250100, China)
Abstract:Because of previously operating, unreasonable collocation of the tuyeres, fluctuant quality of the raw material and fuel etc., the omens of 1# BF wall accretion such as the hanging, slip, uneven charge level and variational temperature difference of water in cooling stave and so on appeared, then the normal production of the blast furnace was influenced and technical and economic indexes worsened in ironmaking plant of Jigang. Therefore lowering charge level operation is adopted through controlling the top temperature by adding spray pipe in the furnace throat to make the scaffolds falling off mostly and the anticipative intention is reached.
Keywords:blast furnace;BF wall accretion;lowering charge level;furnace conditions
济南钢铁集团总公司第二炼铁厂(简称济钢第二炼铁厂)1#高炉2001年7月19日大修改造,炉容由123m3扩至128m3,炉顶采用双钟液压传动,上料系统采用微机自动控制。2003年1月29日1#高炉风机由400m3/min改为600m3/min,为适应大风机操