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["경심프 펌프의 배출구가 최소로 얼마나 열 수 있을까요? 변압기 경심프 펌프의 배출구는 일반적으로 전부 열어야 하나요? 펌프의 세 개의 입구와 세 개의 배출구의 의미는 무엇인가요? 전문가의 설명을 부탁드립니다!"

2020-05-20View Original

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,"경심프 펌프의 배출구가 최소한 얼마나 열 수 있을까요? 변압기 경심프 펌泵的出口最小能开到多少?变频离心泵出口一般需要全开吗?泵三条入口三天出口的意义? 请专家讲解下!
Reply #22020-05-20
离心泵出口最小能开到最小流量点(按泵流量曲线)。变频离心泵出口一般不能全开,但后续有调节阀限量,可以全开。对于你第三条整不懂什么意思。
Reply #32020-05-20
三、如果离心泵的出口阀全关,随时间的增加,这部分动能不被输出,会使介质温度逐渐升高,。甚至到沸点。所以在在现场实际操作时,只要介质温度升高到不使介质气化,泵体机件允许的最高温度范围内,这时的出口阀开度是最小的允许值。山寨的解释。还是以曲线要求为准。 三、离心泵的出口阀的开度要以额定电流范围内为参照。因为不考虑系统压力的前提下,流量越大电流越大。一切遵照整体设备设定的参数控制,切记不要极端化。追求压力不顾流量,追求流量不顾压力或不顾温度、电流的极限范围。第三条不解题意也整不明白,供参考。
Reply #42020-05-22
第三题打错字了,应该是离心泵设置3条入口线路,3条出口线路,这种设置对多种工艺流程的调节变化有多大意义?
Reply #52020-05-22
变频离心泵,如果出口不需要全开,开到5合适吗?如果调节到最大转速不超电流,是否可以把出口开到最大?跟流体介质有没有必然联系?
Reply #62020-05-22
非变频离心泵一般出口阀门开到多少才能出油?"

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