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[". 물질의 온도가 자동吸取泵的吸程有影响吗?

2020-04-01View Original

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Reply #22020-04-01
뜨гор운 온수를 자동吸取泵中抽的话,水的温度对 吸程有影响吗?有的泵厂说温度高于一定温度就吸不上来了是吗”?
Reply #32020-04-01
",. 제조사가 확정한 후에 구매할 수 있습니다. "高到一定程度"的数值是多少以避免出现问题麻烦"这个温度高相对于能够产生气蚀的饱和温度"且对应这个饱和温度的压力"可以用减小吸上高度来调节"也就是相应的提高液位高度"这个要泵的厂家提供相关数据"或者按照你提供的使用条件来生产特工设备。泵的汽蚀余量、吸上高度这些因素对应的是压力相关联"的饱和温度"供参考"4. 水的温度会影响吸程温度高了"饱和蒸汽压会增大"自吸泵的允许吸入真空高度就会小了"一般不高于8"度
Reply #42020-04-01
"
Reply #52020-04-02
"8"度以上的热水基本上自吸泵很难吸上来原理很简单初中物理水的沸点随着压力的降低而降低吸上的时候液体表面的压力是低于大气压力的沸点降低导致介质快速汽化抽的都是水蒸气了然后就喘震了"我们的立式自吸泵都会问一下客户介质的温度超过8"度以上就不推荐了"就推荐改用液下泵"5. 温度越高流体越容易汽化流体中的气体也越容易析出越容易产生气蚀"温度越高在负压下约容易汽化产生气体后就抽不上来了"6."
Reply #62020-04-11
温度越高,在负压下约容易气化,产生气体后就抽不上来了

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