耐高(gao)溫(wen)化工泵送介質溫(wen)度為-20℃~105℃,需(xu)要時采(cai)用(yong)(yong)雙(shuang)端面密封冷卻裝(zhuang)置,可輸送介質溫(wen)度為20℃~+280℃。適用(yong)(yong)于化工、石油、冶(ye)金、電力、造紙、食(shi)品、制(zhi)藥、環保(bao)、廢(fei)水處理和合成纖維等(deng)行業用(yong)(yong)于輸送各種腐蝕的(de)或不允許污染的(de)類似(si)于水的(de)介質。
其工作原理:
化工(gong)(gong)泵在(zai)(zai)工(gong)(gong)作前(qian),泵體和進(jin)料(liao)管必須罐滿液體行成(cheng)(cheng)真空狀態,當葉(xie)(xie)(xie)輪(lun)(lun)快速(su)轉動時(shi),葉(xie)(xie)(xie)片促使液體很快旋轉,旋轉著的液體物(wu)(wu)料(liao)在(zai)(zai)離心力的作用(yong)下(xia)從葉(xie)(xie)(xie)輪(lun)(lun)中飛去,泵內(nei)的水被拋出(chu)后(hou),葉(xie)(xie)(xie)輪(lun)(lun)的中心部分形(xing)成(cheng)(cheng)真空區域。液體物(wu)(wu)料(liao)在(zai)(zai)大(da)氣(qi)壓力的作用(yong)下(xia)通(tong)過管網壓到了進(jin)料(liao)管內(nei)。這樣循環不已,就(jiu)可(ke)以實現連續輸送。
在化(hua)工(gong)泵(beng)啟動(dong)(dong)(dong)(dong)前,泵(beng)殼(ke)(ke)內灌(guan)滿(man)被輸送(song)的(de)(de)液體;啟動(dong)(dong)(dong)(dong)后,啟動(dong)(dong)(dong)(dong)后,葉(xie)輪(lun)(lun)由軸帶動(dong)(dong)(dong)(dong)高速轉(zhuan)動(dong)(dong)(dong)(dong),葉(xie)片(pian)間的(de)(de)液體也必須隨著轉(zhuan)動(dong)(dong)(dong)(dong)。在離心(xin)力的(de)(de)作用下,液體從葉(xie)輪(lun)(lun)中心(xin)被拋向外(wai)緣并獲得能量,以高速離開葉(xie)輪(lun)(lun)外(wai)緣進入蝸形泵(beng)殼(ke)(ke)。
在蝸(gua)殼中,液體由于流道的逐漸(jian)擴大而(er)減速,又將部分動(dong)能(neng)轉變為靜壓能(neng),最后以較(jiao)高的壓力流入排出管道,送至需(xu)要(yao)場所。
液體由葉(xie)輪中(zhong)心流向外緣時,在(zai)葉(xie)輪中(zhong)心形成了(le)一(yi)定的(de)(de)(de)真空,由于貯槽液面上方的(de)(de)(de)壓(ya)力大于泵入(ru)口處的(de)(de)(de)壓(ya)力,液體便被(bei)(bei)連(lian)續壓(ya)入(ru)葉(xie)輪中(zhong)。可見,只要(yao)葉(xie)輪不(bu)斷(duan)地(di)轉(zhuan)動(dong),液體便會不(bu)斷(duan)地(di)被(bei)(bei)吸入(ru)和排出(chu)。
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