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遵化世盟钢铁有限公司炼铁分厂2号高炉(124m~3)热风炉1998年1月28日从燃烧器窥视孔观察发现拱顶有掉砖现象,到30日拱顶南侧钢壳大面积烧红,并严重变形。1月31日白班停烧3号热风炉,在钢壳外焊临时集水槽,安装喷淋管,进行外部强制喷水冷却维持生产。 1 原因分析对2号高炉生产过程的分析:2号高炉自1993年12月点火生产以来,由于原料条件和操作水平的原因频繁停炉炸瘤,使高炉炉衬大面积脱落而被迫进行中修换炉衬三次,但热风炉只换耐火球而未对其大墙和拱
Zunhua World Iron and Steel Co., Ltd. ironworks branch No.2 blast furnace (124m ~ 3) hot stove January 28, 1998 observed from the burner peephole found that the roof has brick, to the south side of the 30th steel dome Large area burning red, and serious deformation. On January 31, the No. 3 hot-blast stove was shut down on a day shift, a temporary catch tank was welded outside the steel shell, a sprinkler pipe was installed, and an external forced water-jet cooling was carried out to maintain the production. 1 Analysis of the reasons for the No.2 blast furnace production process analysis: No.2 blast furnace since December 1993 since the ignition production, due to the reasons for the raw material conditions and the level of operation frequently shut down blast furnace blast furnace lining off a large area was forced to repair Change the lining three times, but the hot stove only for fireball without its large walls and arch