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["¿Es necesario instalar un bypass para la válvulaa de desagüe de?"

2019-08-22View Original

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"¿Es necesario instalar un bypass para la válvulaa de desüe? Al parecer,los" ingenieros dedel diseño instalaron un bypass con la finale de que en caso de mantenimiento de la válvula de desse, se,podría facilitar el cambio. ¿Es esta diseño viable?"
Reply #22019-08-22
"Por supuro,esEs viable. No hay una requerimiento obligatorio de un bypass. Depende de la toler受程度 de toler受故障的接受程度 de la proceso. A "A menudo, se se añadido después de un análisis HAZOP."
Reply #32019-08-22
"Cuando la válvulaa de de desestáobquedada, sese puede abrir ligeramente el bypass para que se el sistema se de " "¿¿Sí,, " "¿¿SíA, " "En es posible, " "Ligeramente el bypass para que que el condensado salga " "¿ " "El diseño de los" del "del" "del" " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " kuk pérdida de choque" " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " "
Reply #42019-08-22
这样,蒸汽也进入凝液系统了,行不行?
Reply #52019-08-22
微开旁路阀,让凝水流出,不要在系统内多留影响换热效果
Reply #62019-08-22
设计院的设计是可行的。
Reply #72019-08-22
主要是就流到蒸汽系统了,不会产生水锤吗?
Reply #82019-08-23
尤其是精细化工上,很多间歇操作,通蒸汽前用疏水阀旁路放净冷凝水
Reply #92019-08-23
祛水器管線設置旁路是可行的 但依照配管的方式不同,祛水器安裝的位置也有所不同喔...
Reply #102019-08-23
反应釜的夹套是用来换热的,加热用蒸汽或是热水,冷却用冷冻盐水或是低温水或是冷却水。 如果你先前用冷却水对反应釜进行了冷却,然后又要对反应釜蒸汽加热,夹套内有大量的水,你就得开旁通阀,然后通入蒸汽,把夹套内的水压光。 在用蒸汽加热的时候,蒸汽管道内有很多冷凝的水,也是需要开旁通阀排水的,如果用疏水阀疏水,那是很慢的。开旁通一二分钟排光水,疏水阀排水,半个小时也未必排得光。 如果疏水阀故障,可以微开旁通阀,让水通过,当然也有部分蒸汽也能通过,只是浪费了点蒸汽而已。我们操作工就喜欢用此方法,这样加热快。疏水阀很容易故障的,因为管道用的是碳钢,如果夹套又通单冷热水,冷却水,那么管道里就会存在很多的污垢,很容易使疏水阀失效。里面充满水了,还不疏水,要么是疏水阀一直在疏水,把蒸汽也排出了。
Reply #112019-08-23
有旁路检修的时候方便很多啊
Reply #122019-08-23
看具体场景了和使用要求了,换热器出口的蒸汽疏水阀旁路是必要的,但是如果是蒸汽长输管线的疏水,有没有旁路都一样,把前面阀门关了就检修疏水阀了,或者微开一点点
Reply #132019-08-24
微开旁路阀,蒸汽凝结后的水是在底部的,排出来的是水,大了就能带出蒸汽。你没去现场操作过吧,做过就能知道。
Reply #142019-08-24
不用设置旁路,副线的设置容易串气,检修的时候打开疏水器前的导淋就可以
Reply #152019-08-26
我见过的都有,虽然不容易坏,但一旦在生产中疏水阀坏了(一般指堵塞),又无法马上停机,不设旁路有安全隐患!
Reply #162019-08-26
需要设置旁路,HG20570中有标准的疏水阀组,应该是用于平时疏水阀是否正常的检查,以及刚启动时管线排水较多,以及冲出管道内机械杂质使用吧。
Reply #172019-08-26
最好设置旁路,除非你配的疏水阀质量很过关,你也很自信
Reply #182019-08-27
如果是即加热又要冷却的是必要的
Reply #192019-08-28
具体可以看化工设计相关规范 副线是可以有的 但不强制要求

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