上海眾憶機電設備有限公司
電話:021-64629199
021-64631088
手機:18001920299
13501668141
傳真:021-64631088
網址:
cyezj.com
郵箱:18001920299@163.com
多級離心泵使用中的常常有一些誤區,下面我們就來理一下關于人們使用多級離心泵的兩大誤區吧!
:好多機手認為抽水揚程越是比較低的那么對于電機負荷就會越小。在這種錯誤認識的舞蹈下,選購水泵的時候,常把水泵的揚程選的很高。其實對于離心式水泵來說,當水泵型號確定之后消耗功率的大小是和水泵實際流量成正比。而水泵的流量會隨著揚程的增加變小了,因為揚程越高,流量就會很小,消耗功率也就會很小。然而揚程越低,流量就會很大,消耗的功率也就會很大。
2:很多機手(shou)認(ren)為(wei)這樣可(ke)以提高實際(ji)的(de)揚(yang)(yang)程(cheng)(cheng),其實誰泵(beng)(beng)的(de)實際(ji)揚(yang)(yang)程(cheng)(cheng)等于總(zong)(zong)揚(yang)(yang)程(cheng)(cheng)。當水(shui)(shui)(shui)(shui)泵(beng)(beng)型號確定(ding)后,總(zong)(zong)養成是(shi)的(de);損失揚(yang)(yang)程(cheng)(cheng)主要來自與管(guan)(guan)(guan)(guan)路阻(zu)力(li)(li),管(guan)(guan)(guan)(guan)徑越小(xiao)顯然(ran)阻(zu)力(li)(li)越大(da)(da),因(yin)而(er)損失揚(yang)(yang)程(cheng)(cheng)越大(da)(da),所以管(guan)(guan)(guan)(guan)徑后,水(shui)(shui)(shui)(shui)泵(beng)(beng)的(de)實際(ji)揚(yang)(yang)程(cheng)(cheng)非但不能增(zeng)加,反而(er)會降低,導致水(shui)(shui)(shui)(shui)泵(beng)(beng)效率下降。如(ru)果是(shi)小(xiao)管(guan)(guan)(guan)(guan)徑水(shui)(shui)(shui)(shui)泵(beng)(beng)用(yong)大(da)(da)水(shui)(shui)(shui)(shui)管(guan)(guan)(guan)(guan)抽水(shui)(shui)(shui)(shui)的(de)話那么也(ye)不會降低水(shui)(shui)(shui)(shui)泵(beng)(beng)的(de)實際(ji)揚(yang)(yang)程(cheng)(cheng),反而(er)會因(yin)為(wei)管(guan)(guan)(guan)(guan)路的(de)阻(zu)力(li)(li)而(er)減(jian)小(xiao)了(le)損失揚(yang)(yang)程(cheng)(cheng),使(shi)用(yong)實際(ji)揚(yang)(yang)程(cheng)(cheng)的(de)所提高。也(ye)有機手(shou)認(ren)為(wei)小(xiao)官(guan)徑水(shui)(shui)(shui)(shui)泵(beng)(beng)用(yong)大(da)(da)水(shui)(shui)(shui)(shui)管(guan)(guan)(guan)(guan)抽水(shui)(shui)(shui)(shui)時,必然(ran)會大(da)(da)大(da)(da)增(zeng)加電機負荷,他們(men)認(ren)為(wei)管(guan)(guan)(guan)(guan)徑增(zeng)大(da)(da)后出水(shui)(shui)(shui)(shui)管(guan)(guan)(guan)(guan)里(li)的(de)水(shui)(shui)(shui)(shui)對水(shui)(shui)(shui)(shui)泵(beng)(beng)葉輪的(de)壓力(li)(li)就大(da)(da)所以會大(da)(da)大(da)(da)的(de)增(zeng)加電機符合。