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Measures to deal with the fault of gas cut-off valve
The author: Time:2019/10/30

       煤气切断阀主要安装于除尘器上部圆管与炉顶煤气下降管相交处下部,平时提起,不阻止高炉与除尘器煤气通路,在高炉休风时,能迅速地将高炉与煤气系统分隔开。在处理煤气过程中,煤气切断阀故障,可采取如下措施:
       1.如果是电气系统故障,可改手动操作。
       2.如果是阀体故障,根本不能开启时,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,可关闭与管网联络的叶形插板,切断煤气。此时,整个系统必须通人蒸汽,即高炉炉顶各部和重力除尘器均保持正压。送风后开叶形插板前,先开叶形插板前的放散阀数分钟,才能打开叶形插板,最后关上放散阀,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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