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2018-02-26View Original

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普通离心泵加引水罐也能达到自吸效果,那如果自吸泵和普通离心泵加引水罐对比有什么优缺点呢?什么时候选用哪种类型的呢?
Reply #22018-02-26
离心泵加引水灌主要是占地面积太大,前期工作多,其实还是蛮好用的。 自吸泵受限条件多一些,比方大流量 高扬程、复杂工况、材质可选等等,自吸泵就不如离心泵可选性那么强。 如1000方 50米,脱硫浆液(石灰水),需要吸上;这时候肯定是离心泵加引水灌实用了。
Reply #32018-02-26
如果两者都能用呢,就是用一个泵从一个池子里抽水,比如流量100,扬程120,离心泵效率会比自吸泵高一些。除此之外还有其他优势吗?
Reply #42018-02-26
还有自吸泵这个材质问题。。。是不是都是不锈钢?
Reply #52018-02-26
高扬程的还是用非自吸泵吧
Reply #62018-02-27
原则上优选内循环自吸泵,就是我们常说的那种大肚子自吸泵,普通离心泵带前置自吸罐通常用于自吸泵自吸高度不够或者参数不满足(比如流量,扬程),普通离心泵带罐占地面积大,价格也相对自吸泵更贵,并且接口多(增加施工工作量),额外增加相关管件。

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