["Le pompe centrifuge ne pompe pas de fluide",

2020-04-11View Original

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"Le pompe centrifuge, Après son démarri,电流低，出口无压力，不出量，吸入口设备压力50MPa而泵出口设备压力4Mpa泵扬程50m",

Reply #22020-04-11

Reply #32020-04-11

Ce sujet est assez vague. Si la pression depe de sortie ne sepe pas est-ce que c'est la press ion avant le pompe fermé?如果不是那么可能是系统管路设备无水当阀门开得过大就会出现这类现象属操作问题问题问题。如果出口阀门在关闭状态阀前压力不起压，则说明叶轮可能脱落或者轴断。好将现场的相关现象介绍的全面些便于讨论减少不必要的猜谜探讨。供参考。正确的开泵方法应该是以在保证泵的正常压力下逐渐的开大出口阀。但不能以阀门的开度来衡量泵是否工作正常。阀门的开度是要以泵出口的正常压力下额定电流的最大值的前提下才是这台泵的正常状况。但在特殊的生产条件下在保证压力的前提下可以关小泵的出口阀但不能使泵体发热为准",

Reply #42020-04-11

"Thé理论上讲产生原因是发生发生气缚现象和汽蚀现象；从实际操作上讲是否消除两个原因因入口Th打开打开入口过滤网Th堵塞入口压力Th符合符合设计要求出口出口阀是否打开",

Reply #52020-04-11

"Illaire入口有气入口介质温度高入口管路不畅通阀门未开或过滤器堵塞",

Reply #62020-04-11

"Vérifiez si lessi les les阀入口阀门开启清理入口过滤器",

Reply #72020-04-12

"Quel介质饱和饱和饱和蒸汽压多少泵的汽蚀余量多少",

Reply #82020-04-18

"111P1 pompe aTh问题操作有问题现场工艺参数有问题",

Reply #92020-04-18

"C'est肯定是进液量不足起泵前要先灌泵排气检查进口过滤器！还有就是进口阀门阀板脱落这个发生的几率很小但我们就发生发生过过过过一次！",

Reply #102020-04-20

"还有就是叶轮口环间隙磨损严重！",

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