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2018-08-06View Original

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Reply #22018-08-06
Translate the following 8 texts from chinese_simplified to korean. 1. 离心泵扬程不足
Reply #32018-08-06
请帮忙分析下离心泵扬程下降太快的原因。 1、水泵为中开泵,出口出口管径 22mmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmm。要求压力需满足 0.7MPa,将出口阀门开度调整到合适位置,出口出口压力表达到 et.65MPa,在泵房经过约4m的管路后压力表显示 et.3MPa。 1、经地下输水管路有 22米输送至现场的离心机,末端有一个弯头上去4米,末端压力显示 et.23MPa。 压力下降太快,是由于管路变径过大,管路阻力不足引起的吗?请帮分析下,感谢。
Reply #42018-08-06
这个由你的装置特性曲线决定的。
Reply #52018-08-06
出口最大压力时,流量相反最小:)
Reply #62018-08-06
第二个问题不大,第一个肯定有问题的,4米管路,中间没有管件应该不会有这么大压降,配管合理的情况下,热水管道压压降不超过80pa每米,你这算下来每米要851pa了。
Reply #72019-03-30
我这是一个问题,只是分开写了。

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