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["L'az气在低温泵上的作用",,"L'az气在冷泵密封处的作用,最终去了哪里?",,"Le s封使用氮气,只能是串联式密封,使用53A或53B的冲洗方案。串联式密封,外部的一套密封用于隔离介质,因此压力要高于密封腔的压力,.4MPa,所以隔离液的压力就是密封腔压力减去0.2~s.5MPA的压力。隔离液的压力由氮气提供。为什么使用氮气是因为氮气是惰性气体。隔离液通常是白油。如果使用空气,里面含有氧气,容易氧化。氮气是储存在罐子里的,不会往哪里去。一般来说,都是有毒性的介质才使用这种方案。你可以看看泵上是否带有罐子。",,"L'écouage扫作用,由于泄漏降温,大气端会结冰损坏密封。氮气将泄漏的冷介质带走。"]

2017-09-22View Original

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冷泵机封处氮气的作用,氮气最终去哪了?
Reply #22017-09-23
机封用氮气,只可能是串联式机封,用53A或者53B的冲洗方案,串联式机封,外侧一套机封用于阻隔介质,所以压力要比机封腔压力大,0.4MPa,所以阻隔液的压力就是机封腔压力+0.2~0.5MPA的压力,阻隔液的压力就由氮气来提供,为什么用氮气是因为,氮气是惰性气体,阻隔液往往是白油,如果用空气,里面含有氧气,容易氧化。氮气是压在罐子里的,不会往哪去~一般来说都是有毒性的介质才用这种方案。你可以看看泵上是不是带罐子。
Reply #32017-09-25
氮气吹扫作用,因泄漏降温,大气端会结冰而损坏机封,氮气把泄漏的冷介质带走

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