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1MWPD1340TYPEAUTOMATICPOLYMERPREPARATIONANDDOSINGUNITMcWONGINTERNATIONAL(SHANGHAI)CO.,LTD.2MENU1ProductSummarize....................................................32Themaincharacter....................................................33TheBasicStructure...................................................34Technologyparameters...............................................65Workingprinciples..................................................76Equipmentinstallation................................................87Equipmentdebugging.................................................98Maintenance..........................................................129Attacheddrawings:1)MWPD1340typepolymerpreparationanddosingunittotalblueprint2)MWPD1340typepolymerpreparationanddosingunitelectricalprincipleblueprint31ProductSummarizeMWPDtypepolymerpreparationanddosingunitisanequipmentofcontinuouspreparationanddosingpolymerliquor.Itcancontinuouslyandhigh-effectcompletethecombinationofpolymer，youcangetuniformandactivatedpolymerliquor.Majorlyusedinsomeplaceusingpolymerliquorsuchasmunicipalwatertreatmentandsewagefactory,etc.2Themaincharacter(1)Threetanksaretheintegrality,（prefabricatedmixtank,uniformmaturetank,liquordepositedtank）continualrunningandeasyoperation;(2)Drypowderandwateraresimultaneous,dissolvewater,dilutionwater,anddosingpumpfluxareallcanbeadjusted,youcanrandomlyprepareandcastchemicalsconsistencyasyouneed(inacertainscope);(3)Thehighprecisionofthedryfeederandtheartfuldesignofthepresoakunit,addingconstanttemperatureheat-updevice,whichcanreduceartificialagglomerationphenomena,orpluglineandcanensureconsistentpreparationsolutionconcentrationsstability.(4)Theagitatorsareuniquestructure,felicitousspeed,willensuretheuniformoftheliquor,andnotdestroythepolymermolecularchains3TheBasicStructure(1)Feedingunit4Itconsistsofstainlesssteelbin,screwtransmissiondevices,electricheaters,etc.A,Theeffectualcapacityofthestainlesssteelbinis60L,tomeetlongtimeusage,viaaobservationalwindowofbin,youcanobservepowderlevelexpediently.Andlevel-sensingdevicecandetectpowderlevelautomatically,whichwillissuewarningsignals.B,Screwfeedingdeviceiscomprisedofturbinereducerdevicedrivinghigh-precisionscrew.Slowdowndevicehavelightweight,highefficiencyandsmoothoperationcharacteristics.Userscanfullymeethigh-precisionvariableusage.C,Electricityheaterisinstalledintheexitofdryfeeder,topreventpowderfromdampandexitjamming.(2)PreparationunitItconsistsofpresoakunit,stainlesssteeltankandtwoagitators.A,Presoakunitusesstainlesssteelrotationalbin.Thewaterflowsfromthedirectionoftangent,formsaswirl,pre-soaksandmixesthedrypowderthengoesintoprefabricatedmixtank.B,Stainlesssteeltankisthreetanksintegral,theyareprefabricatedmixtank,uniformmaturetank,andliquordepositedtank.Clapboardsandweirplatesaresetamongthethreetanks.ThechemicalsliquormustflowfromthebaseoftheclapboardandoverflowV-shapedweirplateinpreparationprocess,toavoidthefreshliquidflowintothematurationliquidinshort.Thetanksareallclose,at5thetopofthem,therearelidswithhandles.Intheprefabricatedmixtank,thereisahiddenoverflowpipe,topreventliquidfromoverflowthetopofthetankwhenitslevelpassesacertainheight(fault).Settingaoutletpipeandamanualball-valveineachtank,andjointhesethreepipetogether,oneendisdosingpipe,andtheotherisdrainpipe.C,Twoagitatorsaresetuptheprefabricatedmixtankanduniformmaturetankseparately,theagitator’sstructureisunique,rotationalspeedappropriate,willensuretheuniformoftheliquor,andnotdestroythepolymermolecularchains.(3)WatersupplysystemItconsistsofUPVCpipes,manualball-valves,Y-typefilter,pressuregauges,electromagneticvalves,cut-offvalves,rotormeter,etc.A,Y-typefilterisusedtointerceptwaterimpuritiestoprotectelectromagneticvalves.B,Pressuregaugeinstalledbehindthefilter,showingpressure,ifthepressureistoolow,thatshowsthefilterhasbeenplug,thenyouhavetogetridofimpurities.C.Electromagneticvalveletwaterinwhilereceivingtheelectricitysignal,thenrealizeauto-waterintake.D.Rotormeterisusedtoshowthequantityofwaterintake.E.Cut-offvalveisusedtoadjustthequantityofwaterintake,whichisaccurateandstabilization.6(4)TheseconddiluteequipmentItconsistsofrotormeter;pipelinefittingsandbracket.A,Rotormeter,measuresthequantityofdilutionwaterandchemicalsPAMseparately,thesize:16m3/hand4m3/h.Theeyesshouldbeflatwhenyouread,thetopoftherotorwithintherotormeteisthevalueofflowwhileworking.B,Pipelinefittingsincludesauto-ballvalve,electromagneticvalve,unilateralismvalveandelbowslipknotetc.(5)ControlsystemItconsistsofcontrolboxandliquidlevelgage.A,ControlboxintroducesSiemensPLC,SiemensandSCHNEIDERelectricelement.B,LiquidlevelgageintroducesSCHNEIDERlevelswitchsothatthemeasureiscorrectandthesignalisstabilization.4TechnologyparametersTypeMWPD1340Qualityofthepowderdosing0.96～3.2Kg/hThepreparationconsistency0.1%Thedosingconsistency0.01%Ability1340L/h，curingtimeis60minPowerofthefeedingunit0.18KW(380V，50Hz)X1台7Poweroftheagitator0.75KW(380V，50Hz)X2台Powerofdosingpump1.5KW(380V，50Hz)X2台Powerofelectricheaters0.1KWDilutionsystemonline2setsDiameterofwaterintakepipeDN8