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2019-12-31View Original

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Reply #22019-12-31

Reply #32019-12-31

请教一个离心泵防冻有关的问题

Reply #42019-12-31

装置一台多级离心泵，平时介质是除氧水，温度 121℃，现在装置停工了，冬季为了防冻，主操让往泵体里面（注意是泵体里面）注低压蒸汽。。。会不会对泵有损害呢？

Reply #52019-12-31

低压蒸汽能有什么损害，防冻应该注氮气

Reply #62019-12-31

低压蒸汽会对泵机封造成损害，不允许。阀门关闭，泵体排空即可。主操考虑：如果阀门内漏会冻坏设备，但不能因为阀门内漏就通蒸汽，哪儿的问题解决哪儿

Reply #72019-12-31

低压蒸汽会不会有冷凝水。一样会冻，排空以后打开排水口，出入阀门加盲板。

Reply #82020-01-01

如果是备用泵，就需要保持预热状态，应该会有一条热线

Reply #92020-01-01

低压蒸汽量控制好，保证温度不要超过110度太多就好，温度太高会损坏密封O型圈。有条件的话建议泵内灌甲醇水，也可以防冻

Reply #102020-03-10

没错，就怕操作工懒，不想盘或者忘了盘

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