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["Перед перед запуском системы常减压进油前进行贯通试压时应注意什么?",,"Пернут перед запуском системы常减压进油前进行贯通试压时应注意什么?",["\n\t1对于检修中更换的新设备,工艺管线贯通试压前必须进行水冲洗。水冲洗时机泵入口须加过滤网,控制阀要拆法兰,防止脏物进入机泵、控制阀;贯通试压时控制阀应改走前路;炉管贯通时应一路路分段贯通;对于塔、容器有试压指标要求的设备,试压时不能离开压力表,密切注意压力上升情况,防止超压损坏设备;试压时要放尽蒸汽中的冷凝水,防止产生水击,水击严重时能损坏设备、管线 kukuku"]

2018-07-29View Original

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常减压进油前进行贯通试压应注意什么?
Reply #22018-07-30
①对于检修中更换的新设备,工艺管线贯通试压前必须进行水冲洗。水冲洗时机泵入口须加过滤网,控制阀要拆法兰,防止脏物进入机泵、控制阀; ②贯通试压时控制阀应改走副线; ③炉管贯通时应一路路分段贯通; ④对于塔、容器有试压指标要求的设备,试压时人不能离开压力表,密切注意压力上升情况,防止超压损坏设备; ⑤试压时要放尽蒸汽中冷凝水,防止产生水击,水击严重时能损坏设备、管线。

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