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["Concernant les problèmes d'impact lié à l'exploitation des DCS", "Dans ce cas : en faisant le tour des du site, j "Lorsque le débit augmente, l'泵容易发生气蚀,查看泵的性能曲线,根据进出口压差,判断判断泵的工作位置。" "JeJe semble également d'être dû à l'augmentation du débit" "Il y a une relation, le débit est trop grand, le débit est grand " "Il y a une relation, le débit a beaucoup d'effet, Il y a une 特性

2018-06-06View Original

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如题:我在巡检时走到泵区,听到一台泵的泵腔内有噪音,略有震动,观察压力0.9MPA左右波动,过了一会压力上升到1.3MPA,噪音和震动消失,随后沟通班上操作人员,他们说就这样,确定机泵没有问题,所以讨论一下是否与DCS操作有关系,调节阀在自动上,区间0-100
Reply #22018-06-06
流量增大,泵容易发生汽蚀,导致振动和噪音。看一下泵的性能曲线,根据进出口压差,判断一下泵的工作位置。
Reply #32018-06-06
个人感觉也是流量增大造成的
Reply #42018-06-07
有关系,调节阀开度过大,流量大了,扬程低了或者抽空了,或者因为泵体内压力低介质气蚀了。
Reply #52018-06-07
与流量有很大关系,有特性曲线的

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