LEWA过程隔膜泵与高速离心泵的比较

43220064PROCESSEQUIPMENT&PIPINGVol143No12Apr12006LEWA,,(,116022):LEWA,:LEWA;:TQ05112:B:100923281(2006)0220047203ComparisonofLEWAProcessDiaphragmPumpwithHighSpeedCentrifugalPumpsZhengZhuoying,LiChunlei,ChangChi(LEWAPumpCo.,Ltd.Dalian,116022)AbstractBasedontheapplicationexperienceandactualdata,thecomparisonofhighspeedcentrifugalpumpwthLEWAprocessdiaphragmpumpwasobjectivelycarriedout,andtheconclusioncanbereferencedbytheusers.KeywordsLEWAprocessdiaphragmpump,servicecost:2005201231:(1977),,,,,,,,,1ISO1566321/3,,30,:;;;;;:,,(,),2,:2,1022m3/h,15MPa,80%,,1022m3/h,35%;,85%75%,,,1,590,000(1)1LEWA15MPaQmax(Qmin)Qopt(0.83Qmax)22m3/h(10m3/h)18m3/hPHmax(PHopt)92kW(75kW)LEWAPAmax(PAopt)260kW(242kW)107kW(83kW)35%85%100175()50%85%(,Ex2d)50%15%LEWA1,590,000/338000h,1.25:PAopt8000h1.25RMB/kWh,,3,,40,2:,50m3/h,;,(),;,,180kW(1),,:(1),135MPa(2)(3),(4),(5),8420062G3R6m3,1/3,,,,,(2)35MPa,PTFE,LE2WA,PTFE80MPaPTFEPTFE:(1)PTFE,(2)PTFE10000h,20000h,(3),,,PTFE,PTFE(NPSHr)(4),,PTFE100Pas4,,,,,PTFE,,(46),,,2.6,,,(304316),,,2.7,(3),,,,,,94431LEWA