DMC型噴吹脈沖袋式除塵器說(shuō)明書全英文

DMCtypejetpulsedbagfiltermanualPerformancecharacteristicsDMCtypejetpulsedbagfilter,absorbingtheadvancedtechnicalsonthebasisoftheoriginalDMCtypejetpulsedbagfilter,isanewgenerationbagfilterwhichisaccordingtoourcurrentactualsituationofsmallairfilter.Itadoptshighpressureandhighflowpulsevalveandventuriwhichspewedoutdustforeveryfilter-bag.Ithastheadvantageofhighefficiency.Especiallywhenitcleardustonline,itcanworkcontinuously,whichovercomesshortcomingofstoppingoutdust.Itiswidelyusedinmetallurgy,mine,chemical,building,themineralprocessing,grain,pharmacyandotherindustries.Itfiltermaterialwithpolyesteracupuncturefelt,theemissionconcentrationislowerthan50mg/Nm3.Withhighqualityfiltermaterial,itcancollect0.3?2“dust,whichismoreefficientthananyotherdustcatcher.2Mainstructure圖1脈沖噴吹袋除塵器基本結(jié)構(gòu)

AirframestructureAshvalvesAshbucketTankbodyAccessdoorDraughtfansupportExhaustfanBlowpipePulsevalveCompressedairbagDustcollectingfilterbagControldeviceInletairdoorOutriggerBlowingsystem脈沖閥噴吹管控制閥壓縮空氣主管控制B噴吹管控制閥壓縮空氣主管控制2.3、ConstructionproformaDMC —N （A、B）丨 A：ashhopperanddischargeashB:flangeFilterbagnumberofarticlePulseinjectiontypeSinglefilterl.principleofoperationprincipleofdustrecoveryThedustwillflytothebaghousewithairflowandspreadaroundtothesurfaceofthebaghouseequalyWhentheairwithdustcomefromtheairpipeorflangeintothedustcatcher.Thedustwillbestayoutsideofthebaghouse.andtheairwhichhaspassedthebaghousewillgetthroughthefiltergateintotheupsideofairpurificationbox.Thenitwillbeatmosphericdepositionthroughtheexitexhaustfan.Someoftheaccumulationdustwhichattachedtotheoutsideofthebaghousewilldropintotheashhopperandsomewillstaystill.Andwillmaketheinstallationsresistanceriseup.Tomakesuretheinstallationsresistancenotexceeding1500PA.Athoroughdustcleanshouldbetakenafterfewperiod.3.2principleofairblastThedrawingfortheprincipleofairblastisasfollow.TheprincipleistheAheadjointofthepulsevalveswillcompressby-passtubeandtheBheadjointwillblowingtheVenturimeter.thepulsevalvesbackpressurehouseconnectwiththeairexhaustvalves.AndtheairexhaustvalvesiscontrolledbyPLC.Theexhaustportwillbesealedbytheexhaustvalvesandactiveironcore,whenthePLCnosignal.Andthepulsevalveswasclosed.AlsothepulsevalveswillopenthroughthePLCwithsignalwhentheexhaustvalvesmakethebackpressurehouseconnectwiththeatmosphere.ThenthepressedairwillsendouttotheVenturimeterthroughtheholesandpassthroughthepulsevalvesfromthemaintube.Leadingthebaghousementallypositivepressure.Carryouttheprincipleofpulseashremoval3.3principleofashremovalIntheaircleaninghouse,everyfiltratebaghaveaspraytube,whichwasconnectwiththepulsevalvesandthemaintubeoftheaircompression.Thereamanyholesinthespraytube.Everyholecorrespondencethecenterofthefiltratebag.AndtheashremovaltimeandperiodcanbesettledinPLCaccordingtothenaturedustduringworkingtime.Theplcwillcontrolautomaticintheashremovaltimetocontrolkindsofpulsevalvesopenbyorder.Atthistimethehighpressureairwillblowoutspeedyfromthespraynozzle.Andwillattached5-7timeoftheairaroundfromtheVenturimetertomixitintothefiltratebag.Andwillpassthroughfrominsidetooutsidelikeaairbladderwhichmovedfromupsidetodownside.thenmakethefiltratebagexpandandtransshapeleadtoshockvibrationtimesandtimesthenmaketheashwhichoutsidethefiltratebagdropintotheashcore.4.InstallationDeliverysituationFortheconvenienceandsafetransportoftheDMCdustcollector,airbagpulsevalveandexhaustfanintheinjectionsystemwillbeshippedaccordingtothelist.Tankbody,ashbucket,groundjack,blastpipe,ashvalveswillbeshippedinsubpackage,andfilter-bagwillbeshippedinpackaging.InstallationstepsItneedstoverifyandunderstandthelayout,equipmentdetailsfigure,componentsoftheequipment.Itneedstocheckandexaminethecivilobligateholes,obligatesteelplate,spacedimensiontoseewhetheritismatchedwithdesignspecification.Theinstallationcangoonifthereisnoerrors.Theinstallationgoesonafterdealwiththedifference.TheinstallationoftheashbucketTheashbucketcanmakea180°turn.Thefourracksoftheashbucketshouldfallovertheembeddedsteelplate,andthecenteroffeedopeningoftheashbucketisinlinewiththecenteroftheobligatefeedopening.Nocoincidencedegreebetweenthepitchandtheembeddedsteelplateshouldnotexcess1/4inch.Non-levelnessatthetopoftheashbucketshould<1/1000FiltervesselinstallationThefiltervesselisatthetopoftheashbucket,associatedwithboltscanpresswiththeasbestosamongropecloseclosure.Youshouldpaymoreattentiontothedirectionwhenyouinstallthemachine.Thesurfaceofthedraughtfanshouldbeattheobligateoutlet.Theinstallationoftheholderandthedraughtfan.Theholderisweldatthecagetosupportthedraughtfan.Motorbase,motorframeandfantentsareassociated,whichisconnectedthroughadaptingpipeandstaticairchamberinthecage.Attheinstallation,theadaptingpipeshouldbeconnectedtoairinletofthedraughtfan,andthenadjustthepositionoftheadaptingpipeandthemotorstandandweldthembetter.Markoutthepositionaccordingtothedraft,weldtheadaptedpipe,andthencutthestaticairchamber.Pleasenotethatspindleofthedraughtfanshouldkeephorizontal.Pulsevalve,airbaginstallationAgasbagonthestent,stents,fixedandfanshellwelding,accordingtofixedpositionstentspulsevalveisuncertain,asmeasuredtheheightofthepulsevalveandgasdistributionbetweenabovethebagwithhighpressurerubberhoseconnection,andtheheightofinstallationerrorshouldbeadjustedinrubbershall,withinthescopeofcontentiousbagkeeplevel.Airbagonbothendsoftheassembly,onebypressuregauge,andtheotheronebyairfilter.Theinstallationoftheairintake(don'tcontainashhopperdustcatcherwithoutit)Theairintakeisweldedbytheashhopper,itsdirectionaccordingtothetechnicalrequirementtodeterminethedirection,installationheightandLouintheoutsideashhopperaccordingtodeterminethelengthoftheselectionchartHighpressureairfilterinstallationThispartinstallmentisunderguidanceofpersonnel,oneendconnectgasbag,theothersidejointhecompressorpipe.AshvalvesinstallationTheuppermouthofashvalvehooksandashhopperwithflangeconnection,andthelowermouthconnectwiththenon-standardpartsTheinstallationoftheventuri,springskeletonandthefilterbagAfterthecomplishmentofconfirmingtheabovework,addingtheventuritubeoffiltersDingMenintoflowerboard(spraywindhasinstalledfirstdismantled),thespringskeletonsetintothefilterbaginside,thenfromthefilterwiththehookwiththreadedthroughtheskeletonbottomandtheskeleton,andthenwillspringfixedframetosettheventuritube3,4circlewillventuritubetop,makethefilterbagstuckinthehole,adjusttheflowerboardtoappropriatelevels,thenThenfixingthepothookwhichisunderthespringsketchontheopenporeatthebottomofthedust-collectingcatcher.五.Debugging5.1InjectionsystemdebugBeforetheadjusting,alltheinletdoor,accessdoorshouldbeclosed&locked.InjectsystemdebuggingismainlytocheckiftherearegasleaksoftheInjectionpneumaticsystemorthepulsevalveworkswell,controlapparatustocontrolvalvescontroliscorrectornot.Switchonthepower,adjustairpressuretomeetthedesignrequirements.Checkpulsevalveandairbags,andnozzleconnectionplace,suchasaleakswhencontrolapparatuscanbeturnedonandwatchthepulsevalveinjectioncase,iftheactionandcorrect,andthenthetestrun.5.2ThetestrunIntheaboveworkisdone,thenadjustforemptyloadcommissioningandloadingtestTurnallthepoweron,compressedairsource,cleargreycontrollerStarttheLord,observeemptyfanloadresistance(orUpipepressuregauge)measurementoftheimportandexportofairleakagerate,calculatedleakagerateshouldbelessthan5%.Andobservefanmotortemperaturerise,nomorethanthetemperaturelimitallowed,thatisworkingproperly.Iftheairleakageisbigger,shouldbetimelyfindairleakagepointsandprocessing.Observingwhetherpulsesystemisfunctioningproperly.Iftheaboveworkallnormal,thenenterintoloadingtestLoadtestStartalltheprocessequipment,accesstosurvivethecontaininggas.Observeoperationresistanceanddustriseventdischargeconditions,inthenewfilterbagputintouse,ventwillhavetracedusttoescape,thisisnormalphenomenon,overaperiodoftimewillbeeliminatedWhenthedustcatcherresistanceriseto(1200?1500Pa),startoutdustcontrollercleargrey,andobservethepressuredownWhenthewholeprocesssystemstability,andthenafternormalcyclicaldetermination.Themethodis:firststartoutdustcontrollercleargrey,andstarttime,whenoutdustisover,observeoperation,whenpressurerisetopressure(1200?1500Pa),stoptheclock.Thisperiodoftimeforsootcleaningcycle.Thismethodshouldberepeatthreetimes,taketheaverageassootcleaningcycle,adjustthesootcleaningcontrollerWatchoutdustcontrollerautomaticcontrol,everythingisnormalwork,canputintonormaloperation.6.maintainandmendDirtcatchercanmaintainlong-termefficientoperation,routinemaintenanceisveryimportant.Whenequipmentisoperational,managementshouldbedesignatedpersons,anddotheoperationrecords.managementpersonnelshouldbefamiliarwiththeprincipleofdirtcatcher,thepropertiesandtheapplicationconditions,andmasteryoftheadjustmentandmaintenancemethod.sealringandothershouldbekeepstrict,suchasthediscoveryofaginganddamageshouldchangeintime.Hull,componentssuchastakeoffpainttorepairingintime,topreventcorrosion.movingpartssuchasfanmotorshouldbepressformularynoteoil,Iffoundnotnormalphenomenonpromptlyeliminate.Airbagsandairfiltersshouldbedrained contaminationoncepershift.solenoidvalveforanyfailures,shouldbepromptlyeliminate,suchasinternalhaveimpurity,water,shouldbecleared,suchasdiaphragmdamageshouldbechangedintime.therepairandreplacementoffilterbag.Ifdirtcatcherbefoundhavegraydustphenomenonmaybedamaged,thefilterbagwhenindividualsmallarea,canusetheoldfilterbagorthesamematerialmake-up.Ifmostofthefilterbagbreakage,shallallbereplaced.Assurancethenormaloperationofthedust.DMC性能表DMCCHARACTERISTICS^型號(hào)Model性能characteristics -DMC-32DMC-48DMC-64DMC-80總過(guò)濾面積TotalFilterArea(m^)24364860過(guò)濾風(fēng)速FilterAirSpeed(m/min)1.04?1.671.15~1.621.21~1.741.25~1.67處理風(fēng)量TreatmentAirFlow(mVh)1500?24002500~35003500~50004500~6000濾袋條數(shù)NumberofFilterPocket(條)32486480濾