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["Проблемы с отводом при остановке производства", "Почему при остановке производстваа сначер мы сначujemy сначначенно с тяжелогоазливых трубопроводов, а потом с легкоразливых?; после водового промыванияа трубопроводов легкоразливых, какие требования к трубопроводам нужно промывать паром, и какие требования и注意事项?Промывка и водныйная清洁处理都是为了确保管道或设备满足检修要求!"]

2017-06-13View Original

Thread Content

装置停工扫线,为啥先扫重油线,后扫轻油线?;轻油线水顶完毕后,什么要求的管线需要蒸汽吹扫,及吹扫要求及注意事项?望各位老师指导,谢谢!
Reply #22017-06-13
先扫重油线是出于安全考虑,重油不会因为突然接触蒸汽而急剧膨胀导致超温超压发生危险。再一个,重油不容易吹扫干净,需要吹扫的时间长。如果遇到多个装置同时停车,蒸汽量很难保证充足。轻油线可以先水顶后再用蒸汽吹扫。有条件的用氮气吹扫也不错。
Reply #32017-06-16
说直接点,吹扫水洗都是要求管道或设备满足检修要求!

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