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2018-08-02View Original

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Reply #22018-08-02
["离心泵" "化工装置" "叶轮" "气蚀" "液位" "液面上的压力" "参数" "设备" "工艺" "冷却器" "汽蚀" "诱导轮" "转速" "转速" "转速" "抬高" "赔款
Reply #32018-08-02
选泵的时候没考虑到介质温度吗?
Reply #42018-08-02
温度高不是问题,问题是气蚀!可以提高入口压力,降低泵的高度,降低泵的气蚀余量,克服气蚀的问题!
Reply #52018-08-02
可以对泵入口管线进行换热冷却。
Reply #62018-08-03
提高液位,或增加液面上的压力等
Reply #72018-08-03
你把参数发出来 我算一下~
Reply #82018-08-03
装置已经定型?那就改工艺把,要不就换设备,2级到4级;还不行就没办法了
Reply #92018-08-03
换设备估计是不行了 主要是想改 或增加个冷却器
Reply #102018-08-03
这真的不好办,设备还是为工艺服务 工艺要求的条件 的满足 剩下的自己克服
Reply #112018-08-03
没有现在改有点来不及了
Reply #122018-08-03
这对降温有效果吗 我们输送的水胶液 温度70.80左右
Reply #132018-08-03
有啊,但是冷却的是泵,不是介质,你要解决汽蚀问题只有从头开始。你们应该选的2级泵,先试试诱导轮(成功几率不大),再考虑换型4级转速泵,也就是降低转速;还有就是让他们改造工艺,你把介质情况发给我,设备大概在哪个城市给我,我给你算算看要把设备抬高多少,如果这样都还不行,只有放弃,赔款吧

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