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事故经过本钢炼铁厂1981年7月五高炉停炉大修。煤气系统见附图。在停炉控料前先“预休风”,割断炉顶φ800毫米放散阀帽和进行除尘器沙封。休风按长期休风程序进行,除尘器清净了沉灰。7点30分开始驱逐除尘器系统煤气,8点10分高炉炉顶点火休风完毕,9点整停止除尘器荒煤气管道蒸气,接着打开除尘器切断阀上人孔,在阀上进行煤气测
Accident after Benxi Iron and Steel Works in July 1981 five blast furnace overhaul overhaul. Gas system see photo. In the shutdown before the “pre-off control”, cut off the top of the roof 800mm discharge valve and dust collector sand seal. Hugh off by long-term wind procedures, precipitators clean the ash. 7:30 start detonating the dust gas system, 8:10 blast furnace top ignition off, at 9 o’clock stop dust gas pipeline waste gas, and then open the dust collector to cut off the valve on the manhole, the gas valve on the test