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How to solve the gas cut off valve failure?
The author: Time:2019/12/10

        煤气切断阀是为了在高炉休风时,能迅速地将高炉与煤气系统分隔开,主要是安装于除尘器上部圆管与炉顶煤气管相交处下部,平时提起,不阻止高炉与除尘器煤气通路。
        在气动切断阀处理煤气的过程中,若出现故障,可采取如下措施:如果是电气系统故障, 可改手动操作。如果是阀体故障,根本不能关时,应找出原因,排除故障后休风。在特殊情况下,必须立即休风时,可关闭与煤气管网联络的盲板阀,切断煤气。此时,整个系统必须通蒸汽,除尘器,炉顶保持正压。送风后开密封蝶阀前,先开密封蝶阀的放散阀放散数分钟,才能打开密封蝶阀。关上放散阀,关闭蒸汽。这种休风办法仅适用于短期休风。如果时间长,可考虑处理煤气。
 

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