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2017-08-18View Original

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user
Reply #22017-08-18
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Reply #32017-08-18
user
Reply #42017-08-19
["进口压力大于出口压力的问题"
Reply #52017-08-19
"我司有一台热水循环泵,打热水循环,设计扬程28米。现在泵进口处显示0.1Mpa,出口压力显示0.6Mpa。客户反映打不上物料,求教各位,是何原因,跟泵关系大吗"
Reply #62017-08-19
"出口不是显示68米吗?是不是出口哪个阀门没打开啊"
Reply #72017-08-19
"进口堵了或叶轮叶道堵了或泵里有气没排净"
Reply #82017-08-19
"扬程是进出口压差的近似值吧?"
Reply #92017-08-19
"已排查,不存在叶轮或进口堵塞,泵内有气体,进出口也不会存在压力降啊"
Reply #102017-08-21
"没有碰到这个泵也太厉害了,表压0.9mpa(绝压11.8mpa),沸点为118度;表压0.8mpa(绝压11.9mpa),沸点为115度;表压0.6mpa(绝压也1.7mpa),沸点为115度;压力太低,会饱和水蒸汽,感觉进口温度过高,都快成水蒸汽了,一旦操作不当,或者温度较高,容易形成空气,导致无法进液;同时出口没有热水出来,或者只有少量的液体,结果就是温度虽然在80178度但是很少,为气体,体积变大,同时压力迅速的较低;建议热水的进口能否增加冷却装置或者通过仪表调节使罐内压力偏搞;这个是我自己的分析,建议咨询下厂家,这个高温泵,比较少见,锅炉蒸汽也用较多,厂家那边见过的数据较多应该会有处理办法;"
Reply #112017-08-22
"叶轮是不是装反了?或者电机反转?"

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