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2018-12-03
AftertheNationalDay,startingfromOctober,themostsevereperiodofairpollutioninspectionwillbeginintheyear,andtheenvironmentalprotectiondepartmentthathascompletedtheholidaywillalsostarttheenvironmentalinspectionintheregion. Accordingtotheregulationsonairpollutionpreventionandcontrolinautumnandwinterof2018,Beijing-Tianjin-Hebeiandsurroundingareaswillonceagainbecomethekeyinspectiontargets. Sincetheenvironmentalmanagementinautumnandwinterismainlydirectedatairpollution,sootemissionsarenaturallythemaintargetofenvironmentalinspection,andmanyweldingworkshopswillbeaffected. Asametalthermalprocessingmethod,weldingiswidelyusedinthefieldofmachining.Almostallfactorieshaveanumberofweldingmachines,whichisveryconvenientforproductionandprocessing.Atthesametime,weldingwillalsoproducealargeamountofweldingfumes,whichwillcauseseriousairpollutionaftertheworkshop.Therefore,theenvironmentalprotectiondepartmenthasmadedetailedregulationsontheweldingfumetreatment,soitisimperativetocarryoutdustremovalintheworkshop. Therearemanytypesofdustremovalequipment,buttherearetwomaintypesofweldingfumeremovalequipment,mobileweldingfumepurifiersandcentralizeddedustingsystems.Differenttypesofdedustingequipmentareuseddifferentlyfordifferentweldingconditions. Theweldingworkshopwithfewweldingpointsandsmallconcentration,smallweldingworkpiecesandfewstationsispreferredtouseamobileweldingfumepurifier.Thiskindofdedustingequipmentisdesignedfordustremovalofasingleweldingpoint.Whenusing,theweldingofthesuctionarmisfirstsuspended.Abovethepoint,adjustthedirectionofthesuctionhood,aligntheweldingpoints,andafteropeningtheequipment,theweldingfumepurifierwillcapturetheemittedweldingfumesthroughtheairvolumegeneratedbythefan,filterthesootparticlesthroughthefilterelement,andthendischargethepurifiedair. However,mobilefumepurifiersarelimitedinsizeandcannotmeetthedustremovalrequirementsofmoreandlargerweldingoperations,soacentralizeddustremovalsystemisrequired.Theprincipleofweldingfumepurificationinthecentralizeddustremovalsystemandthemobileweldingfumepurifiercoreisthesame,butthedifferenceinthecollectionandcollectionofsootisverydifferent,sothevolumeshapeofthetwoisdifferent. Thecentralizeddustremovalsystemseparatesthedustcollectinghoodfromthedustremovingmainengineandthefan.Eachweldingstationhasacustom-sizeddustcollectinghoodtoabsorbthedust.Thedustremovingsystemwillsendthedusttothehostforunifiedpurificationtreatment.Finally,Thendischargetheairintothe15Mhighaltitude. Thebiggestfeatureofthiscentralizeddustremovalsystemisthatitcancustomizethedustremovalsystemspecificationsaccordingtotheworkshopconditions,carryoutunifieddustremoval,adapttotheoperationrequirementsoflargeworkshops,andcancarryoutorganizeddischargetomeetenvironmentalprotectionrequirements.
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Plasma, laser cutting machine blow suction dust removal method
2018-12-03
Metalcuttingisanindispensableprocessinthemachiningindustry.Plasma,lasercuttingandflamecuttingmachinesarecommoninthefactoryfloor,butnomatterwhichcuttingmachineproducesgreatsmokeduringtheoperation,thesecuttingfumesarethesameasweldingfumes.Notonlydoesithaveseriousharmtothehumanbody,butitalsocausesdamagetotheairenvironment.Therefore,inthepreviousenvironmentalremediation,theworkshopcuttingdustpurificationequipmentisalsothefocusofinspection. Thecoreprincipleofthecleaningofthedustofthecuttingmachineandthecleaningoftheweldingfumehavesimilarities.Thefilterelementisplacedinthemainmachine,andthehigh-precisionfilteringholeofthefilterelementisusedtointerceptthedustparticlesinthedustyairflowingthrough,andthepurifiedairispurified.Whenthecutterdusterisdischarged,therewillbe15mhigh-altitudepipelinefororganizeddischarge.Thedetectionofthepresetdetectionportofthepipelinealsomeetstherequirementsof30mg/m3fororganizeddustemissioninenvironmentalprotectionregulations.Ingeneral,thereisbasicallynoprobleminenvironmentalprotectioninspection.. Thedifferencebetweenthecutterdustcollectorandthegeneralsoldersmokepurifieristhesootadsorptiondevice.ThecuttingmachinedustcollectorproducedbyHuaxinusesasuction-typesootadsorptionstructure:aslidingsuctionchannelisarrangedononesideofthecuttingplatform,andanairsuctionportwhichcanmovesynchronouslywiththecuttingmachineisassembledontheupperside;Theairoutletoftheflowfanmaintainsastraightlinebetweentheairoutletandtheairinletandthecutterhead. Asuctionductisalsoprovidedinthelowerpartofthecuttingmachineplatform,sothateffectiveairextractioncanbeperformedwithinthecuttingheadrange.Inthisway,whenthecuttingmachinedustcollectorisstarted,thedustisblowntotheairsuctionportthroughtheairoutletoftheairoutlet,andtheairexhaustportunderthecuttingplatformcanbeusedtoeffectivelyabsorbthesmokegeneratedbythecutting. Thecuttingmachineplatformislarge,andthesootisscattered.Therefore,thecuttingdustismoredifficulttocapturethanthegeneralweldingsmoke.Althoughtherearemanysmokingmethodsappliedtothecuttingmachine,itisstillsuckingfromtheactualeffect.Thedustremovalmethodisthemostefficient. Moreover,theblow-uptypedustremovalsystemhasasimplestructure,andtheconsumptionofthematerialissmall,andthefactorydoesnotrequireadditionalmaintenanceinthelaterstage,andthefactoryismoreconvenient.
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How to choose the welding room dust removal system?
2018-12-03
Thedustremovalintheweldingroomisthebasicrequirementoftheenvironmentalprotectiondepartmentfortheweldingworkshop.Underthestrictenvironmentalprotectionsituation,theweldingroomneedstoreducetheindoorweldingsmokeconcentrationtobelow6mg/m3.Otherwise,itisregardedasunqualifiedsewagedischarge,anditisacceptedbytheenvironmentalprotectiondepartment.Aticketissued. Therefore,sincelastyear,factorieswithweldedhouseshavestartedtopurchaseandinstallweldingfumepurifierequipmentinordertosmoothlycopewithirregularenvironmentalprotectionsurpriseinspectionsandnormalproduction. Thefactorypurchasesweldingfumedustremovalequipmentandstartstobuymobileweldingfumepurifiers.Becausethissingle-machinededustingequipmentischeaper,itcaneffectivelypurifytheweldingfumesgeneratedbyasingleweldingpoint,andthegeneralqualityisqualifiedbyregularmanufacturers.Itcanbeusedfor1yeartochangethefilterelement,therunningcostislow,andmostimportantly,thedustconcentrationoftheweldedhousepurifiedbythedustremovalequipmentislessthan5mg/m3,whichfullymeetstheenvironmentalinspectionstandard,andtheenvironmentalprotectionrequirementsarenotsodetailed.Itshouldbeenoughtocheck. However,thedustremovalequipmentinthestand-alonesituationcannotmeetthedustremovalrequirementsoflargeweldedhouses,anditisoftennecessarytouseacentralizeddustremovalsystemforweldingfumetreatment.Thisisbecausethelargeweldedhousesproducelargeandlargeworkpieces,andthesecondisduetothenewenvironmentalprotectionrequirementsoftheEnvironmentalProtectionAgency. Therearemanyweldingstationsinlargeweldingrooms,andtheamountofweldingfumesgeneratedislarge.Thedustfilterelementsrequiredforbudgetaregenerallymorethan20,andsomeevenhundreds;theworkpiecesizeisnotfixed,andthesolderjointsarescattered,requiringalargedustcollectingcover.Someweldingroomsarealsoequippedwithlasercuttingmachines,andthegeneratedsootalsoneedstobetreatedtogether;inadditiontotheexistenceofmechanicaldevicessuchasworkshoptransportation,therequireddustremovalequipmentispreferablycustomizedaccordingtotheactualsituationoftheweldingroom,andthecentralizeddustremovalsystemisjustright.Withtheabovecharacteristics,theassemblyoftheentiredustremovalsystemdependsentirelyontheweldingneeds. Andthecentralizeddustremovalsystemalsohasa15mhigh-altitudedischargepipelineforthefinalexhaustemission.Theorganizedemissionofsuchwastegastreatmentisthehardrequirementofthecurrentenvironmentalprotectionbureauforlarge-scaleweldingworkshops.Theconcentrationofsootinthedischargepipelineisnotmorethan30mg/m3.Meetenvironmentalstandards. Theaboveisthedifferencebetweentheadvantagesoftwodifferentdustremovaldevices,userscanchooseaccordingtotheirownsituation.发送反馈历史记录
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