关于中央企业党建工作视频会议的补充通知

ProductCatalog2006WQSERIESSUBMERSIBLESEWAGEPUMPCONTENTS01Purpose04WQtypestructuredrawing05WQtypeatlasofstyle06WQtypepumpperformance12WQtypepumpinstallation14WQtypepumpdimensiondrawingandtable16WQtypepumpauto-coupledinstallationdimensionstable34Externalandinstallationdimensiontable26WQtypepumpfixedinstallationdimensionstable36Failurescausesandtroubleshooting01Modelmeaning01Conditionsofuse01Rotatingdirection25Leadraillengthandpooldepthtable02Structuresdescription01WQseriessubmersiblesewagepumpismainlyusedformunicipalworks,industrialbuildings,hotels,hospitals,civilairdefence,minesetc.Tradestodrainoffthesewage,wastewater,rainwaterandlivingwaterincitiescontainingSolidg-rainsandvariouslongfabrics.WQPURPOSE(kW)Poweroffittedmotor(kW)(m)Head(m)33(m/h)Capacity(m/h)Submersiblesewagepump(mm)Drainaperture(mm)50WQ15-8-0.75CONDITIONSOFUSEWQSERIESSUBMERSIBLESEWAGEPUMPROTATINGDIRECTIONTheimpellerrotatesCCWasviewedfromthesuction.o3160C1200Kg/m,PH5-92()3380V50Hz5450o1.Themediumtemperatureshouldnotbeover60C,theden-3sity1200Kg/m,andthePHvaluewithin5-9.2.Duringrunning,thepumpmustnotbelowerthanthelowestliquidlevel,seelowestliquidlevelinthedrawingofinstallationdimensions(coveringtheautomaticcoolingsyst-em),meanslowestliquidlevelwithoutnoautomaticcoo-lingsystem.3.Ratedvoltage380V,ratedfrequency50Hz.Themotorcanrunsuccessfullyonlyundertheconditionthedeviationsofbothratedvoltageandfrequencyarenotover5%.4.Themaximumdiameterofthesolidgraingoingthroughthepumphasnottobelargerthan50%ofthatofthepumpoutlet.02SKFNTNoF155CIPX8//CAD/CAMBearing:ImportedSKFofNTNbearing,which,withareasonableconfiguration,canoxtendthedurationofthepump.Cooling:Thebuit-incoolingsystemcanhavethepumpnormallyworkwhetherthemotorisonorundertheliquidsurface.Apartoftheliquidisextractedtobringoutthebeatproducedbythemotorfromthepumpcirculationtothecoolingbarrelandtothepumpcasingand,whenexternalcoolingisrequired,thecoolingsleevemaybeseparatedfromthepumpcasingandin-dividuallyconnectedtothecoolingsystem.Motor:oOfFclassinsulation,max.workingtemperatures155C,andofaprotectivegradeIPX8withtheeffectiveseal.Mechanicalseal:UseBogmanmechanicalsealofGermany,twowaysofthesealareinserieswitheachotherandindividuallyworktoseparatethemotorfromthepumpsealtoprovidethemotorwithadualprotection.Thesealingmaterialonthepumpsideistungstencarbi-de/tungstencarbidewhileonthemotorside,graphite/siliconcarbide.Oilchamber:Oilcanlubricateandcoolthemechanicalsealandrealizetheattachedfunctionofsafetybypreventingliquidfrompen-etratingintothemotor.Theairofacertainamountleftindideofthechambercanlowerthepressureaccumulativelyraised.Impeller:Withtheoptimizeddesign,theimpellerwilnotbeblockedupwhentotransportliquidwithitsoptimumflowandrateandthemaximumefficiency.Therearesuitableimpellersatchoiceforeverypointofworkingcondition.Therearesingle-geat,dual-geatandthree-bladeimpellersavailableatchoiceperthemediumtobeextracted.Pumpcasing:Usetheknow-howofCAD/CAMtomakeitofmax.effi-ciencyandminwearability.STRUCTURESDESCRIPTION03WQSERIESSUBMERSIBLESEWAGEPUMP125()30kW()Shaft:Thepumpiscoaxialwiththemotorandthesealingdeviceontheendoftheshaftpreventsagainstcontactingwiththemediumtoprotectisfromcorrosion.Theasshortaspossibledesignedstretchedrotatingshaftcanbereducedwithitsdeflectionandvibration,extendthedurationofbothmechanicalsealandbearingandlowerthenoiseatrunning.Monitorsystem:Insideofthestatortherearethreeinlaidseriesheat-con-trolswitches,whichareinthestateofN.O.atthenormaltemperatureandopenedwhenthetemperatureonthestatorgetsto125.Awater-leakageprobeismountedinsidetheoilchambertocheckwaterleakageanditwillgiveawarningsignal(theindicatorlights),whenthemechanicalsealonthepumpsideleaksandtheoil-waterratiointheoilchamberreachesacer-tainconcentration,toautomaticallycutoffthepowertostoptheworkofthepump.Servicemanshouldreplacetheoiltimelyandcheckthemechanicalsealonthepumpsideandreplaceititnecessary.Allthewiringboxofthemotorwithapowernotlowerthan30kWismountedwithaleakageprobetocheckifaleakwiththecableseal.Floatswitch:Thefloatswitchwillgiveawarningsigual(theindicatorlights),whenleakageoccursonthemechanicalsealonthemotorside,theliquidgoesintotheswitchroomandreachesacertainheight,tostopthepump.Servicemanshouldcheckthemechanicalsealandreplaceitifnecessary.Thefunctiontocheckifthemotorlackofphaseisavail-ablewiththeelectriccontrolcabinetsoastopreventitfromburningdueanylackofphase.04WQTYPESTRUCTUREDRAWINGBearingCoolinggasketMotorBearingDownwaterleakagedetectorOilhouseImpellerSealringUpwaterleakagedetectorWiringrodShaftMechanicalsealofmotorFloatingswitchMechanicalsealofpumpPumpbody05WQSERIESSUBMERSIBLESEWAGEPUMP581218254080120200400800150020003000500070006101522306010015030060010002500400060003Q(m/h)1800506580100150200250300400500600mmDischargeH(m)8060504035302520151210864306WQTYPEPUMPPERFORMANCE123456789101112131415161718192050WQ15-8-0.7550WQ15-12-1.150WQ15-16-1.550WQ15-22-2.250WQ15-30-350WQ25-25-450WQ25-32-5.550WQ25-36-7.565WQ30-10-2.265WQ30-15-365WQ30-22-465WQ30-30-5.565WQ30-35-7.580WQ50-8-2.280WQ50-10-380WQ50-15-480WQ50-20-5.580WQ50-25-7.580WQ5