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[". 1试用备用泵造成在用泵不上量

2017-12-19View Original

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Мы являемсяся дегидратационным устройством, в процессе испытания备用泵时造成了在用泵不上量。备用泵约半小时前刚完成暖泵,试用前备用泵暖泵前、出入口联通阀、泵出口阀均为关闭状态。请教各位可能会是什么原因?
Reply #22017-12-19
Эта ветка последней редактировалась altped на 2211-11-18 14:28 原料缓冲罐气相连接在哪?是不是火炬线?管径多少?备用泵是否用蒸汽吹扫过?
Reply #32017-12-20
是连接到火炬系统,吹扫过,两个半小时暖好的,进口是在试泵前半小时开的
Reply #42017-12-21
Причины могут быть следующими:1 吹扫后的残留蒸汽冷凝水在泵体内,试泵时带出经泵出口返罐再或暖泵线回到运行泵入口导致运行泵抽空。2 因原料缓冲罐气相线连接至火炬,双泵同时开启时(虽备用泵未开出口但高压泵出口各阀必定有内漏)导致运行泵入口压力不足,泵抽空。 解决方法:蒸吹扫后,试运行备用泵前用原料彻底置换泵体内残留蒸汽冷凝水(从运行泵出口引原料至备用泵入口经备用泵泵体再经备用泵放空至污油线。增加一条装置外来原料至泵入口管线利用装置外原料推压力头启动备用泵此线必须要增加运行否则以后每次切换泵都会导致抽空现阶段暂时没有此线必须切换泵时运行直接停运行泵几分钟启动备用泵即可运行对抽提塔操作影响可以接受。
Reply #52017-12-21
Эта ветка последней редактировалась altped на 2211-11-23 15:54
Reply #62017-12-21
Эта ветка последней редактировалась altped на 2217-11-23 15:55
Reply #72017-12-21
Первый причин,我们在启泵前已经进行了暖泵,就是通过暖泵线进油退污油线退油泵温度已经达到 110摄氏度以上了所以这个的可能性不大第二个原因我们的原设计进料缓冲罐是带压力的后面没有施工现在是个常压罐可能就是你说的进口压力不足导致不上量
Reply #82017-12-21
Две泵抢量。泵入口管线细阻力大可提高容器液位试一试。

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