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2020-10-24View Original

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["Cada semana o K diz - diz sobre a indústria química e a engenharia de projetosos essasasos. 1
Reply #22020-10-24
几句话说懂泵的汽蚀余量;P
Reply #32020-11-04
本帖最后由 hengk k 于于 22 15-1 1 25 8:58 编辑 老K每周说 - 每周说关于石油化工设计行业那些事;几句话说懂泵的汽蚀余量;从论坛讨论中了解到,有不少坛友对泵的汽蚀余量有些概念不清,确实有些资料对这方面描述的不够清楚或有些繁琐。下面用几句话说懂泵的汽蚀余量:1、当液体在泵腔内沸腾时就会引起泵的汽蚀;
Reply #42020-12-24
我的理解就是,液体在进入泵口前压力不能太低,否则因为压力低沸点低,在工作温度下便会汽化。而足够的安装高度和入口罐压力以及合适的安装高度都是为了提供一个足够的入口压力。

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