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盲板抽堵作业
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盲板抽堵作业
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blinding pipeline operation with stop plate
盲板抽堵作业
在设备抢修或检修过程中,设备、管道内存有物料(气、液、固态)及一定温度、压力情况时,或设备、管道内物料经吹扫、置换、清洗后,无法靠阀门完全切断,需将与检修设备相连的管道用盲板相隔离,装置启动前再将盲板抽掉的操作过程。
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