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2019-05-28View Original

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Reply #22019-05-28
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Reply #32019-05-28
\. 离心泵汽蚀
Reply #42019-05-28
2
Reply #52019-05-29
\. 离心泵汽蚀可能是化工中最基本的的化工知识概念,但是一直都是记住了概念,直到现场一台离心泵入口水温突然发生汽蚀,过去现场查看,叶轮响声比较大,霹雳啪啦的,就好像放鞭炮一样,但是有个问题是想请教下大家,这台离心泵出口正常工作压力为2.4Mpa,发生汽蚀时,压力为五六点到五六四之间来回波动,离心泵发生汽蚀时,压力降低是由于一部分液体气化为气体。泵做功降低,所以会导致出口压力会下降,但是它的压力为什么会又上涨到五六四以前的工作压力呢?希望各位海友指导
Reply #62019-05-30
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