Electromagnetic heating

Technicalprinciple

1.Electromagneticheater:Electromagneticheaterisadevicethatusestheprincipleofelectromagneticinductiontoconvertelectricalenergyintoheat.Theelectromagneticheatingcontrollerconverts220V,50/60HZThealternatingcurrentisrectifiedintodirectcurrent,andthenthedirectcurrentisconvertedintoahighfrequencyandhighvoltagewithafrequencyof20-40KHZ,ora380v50/60HZthree-phasealternatingcurrentisconvertedintoadirectcurrentandthenthedirectcurrentisconvertedintoahighfrequency,lowvoltageandhighcurrentof10~30KHZElectricityisusedtoheatindustrialproducts.

2.Electromagneticheatingcoil:high-speedchanginghigh-frequencyhigh-voltagecurrentflowingthroughthecoilwillproduceahigh-speedchangingalternatingmagneticfield.Whenplacedontopofaniron-containingcontainer,thesurfaceofthecontainerwillhavecuttingalternatingmagneticlinesofforceAnalternatingcurrent(oreddycurrent)isgeneratedinthemetalpartofthebottomofthecontainer.Theeddycurrentcausesthecarriersatthebottomofthecontainertomoveatahighspeedandirregularly,andthecarrierscollideandrubagainsteachothertogenerateheatenergy.Soastoplaytheeffectofheatingthearticle.Thatis,byconvertingelectricalenergyintomagneticenergy,thesurfaceoftheheatedsteelbodygeneratesaninductioneddycurrentasaheatingmethod.Thismethodfundamentallysolvestheproblemoflowheatefficiencycausedbyheatingbyheatconduction,suchaselectricheatersandelectricheatingcoils.

Contrast

TraditionalResistanceheatingDisadvantages

Largeheatloss:Theheatingmethodusedbytheexistingenterpriseiswoundbyresistancewire.Theinnerandoutersidesoftheringgenerateheat.Theheatontheinnersurface(closetothebarrel)isconductedtothebarrel,whilemostoftheexternalheatislosttotheair.Causethedirectlossandwasteofelectricenergy.

Ambienttemperaturerise:Duetothelargeamountofheatloss,thesurroundingenvironmenttemperaturerises,especiallyinsummer,whichhasagreatimpactontheproductionenvironment.Someon-siteworkingtemperatureshaveexceeded45degrees,andsomecompanieshavetouseairconditioningtoreduceTemperature,whichinturncausesasecondwasteofenergy.

Shortservicelifeandlargemaintenancecapacity:Theheatingtemperatureoftheelectricheatingtubeisashighas300degreesduetotheuseofresistancewireforheating,andthethermalhysteresisislarge.Itisnoteasytoaccuratelycontrolthetemperature,andtheresistancewireiseasytoburnduetohightemperatureaging..Theservicelifeofcommonlyusedelectricheatingcoilsisabouthalfayear,sotheworkloadofmaintenanceisrelativelylarge.

HighfrequencyheatingProductadvantages

Longlife:electromagneticheatingbasicallydoesnotgenerateheatduetothecoilitself,andhasalonglife,Nooverhaul,nomaintenanceandreplacementcosts;theheatingpartadoptstheringcablestructure,thecableitselfdoesnotgenerateheat,andcanwithstandhightemperaturesabove500℃,andtheservicelifeisupto10years.Nomaintenanceisrequired,andthereisbasicallynomaintenancecostinthelaterperiod.

Safeandreliable:Theouterwallofthebarrelisheatedbyhigh-frequencyelectromagneticaction,theheatisfullyutilized,andthereisbasicallynoloss.Theheatisconcentratedinsidetheheatingbody,andthesurfacetemperatureoftheelectromagneticcoilisslightlyhigherthanroomtemperature,whichcanbetouchedsafelywithouthightemperatureprotection,andissafeandreliable.

Highefficiencyandenergysaving:Adoptinginternalheatingmethod,themoleculesinsidetheheatingbodydirectlyinducemagneticenergytogenerateheat,andthethermalstartisveryfast.Theaveragepreheatingtimeisshortenedbymorethan60%comparedwiththeresistancecoilheatingmethod,andthethermalefficiencyisashighas90%Above,underthesameconditions,itcansave30-70%ofelectricitythanresistancecoilheating,whichgreatlyimprovesproductionefficiency.

Accuratetemperaturecontrol:Thecoilitselfdoesnotgenerateheat,thethermalresistanceissmall,thethermalinertiaislow,thetemperatureoftheinnerandouterwallsofthebarrelisconsistent,thetemperaturecontrolisreal-timeandaccurate,andtheproductqualityissignificantlyimproved,andtheproductionefficiencyishigh.

Goodinsulation:Theelectromagneticcoilismadeofcustomizedspecialhigh-temperatureandhigh-voltagespecialcable,withgoodinsulationperformance,nodirectcontactwiththeouterwallofthetank,noleakage,short-circuitfailure,andsafety.

Improvetheworkingenvironment:Theinjectionmoldingmachinemodifiedbyelectromagneticheatingequipmentadoptsaninternalheatingmethod.Theheatisconcentratedinsidetheheatingbody,andthereisalmostnoexternalheatdissipation.Thesurfacetemperatureoftheequipmentcanbeimprovedtobetouchablebythehumanbody,andtheambienttemperatureisreducedfromabove100°Cwhentheresistancecoilisheatedtonormaltemperature,whichgreatlyimprovestheworkingenvironmentoftheproductionsite,greatlyimprovestheenthusiasmofproductionworkers,andreducesthecostofventilationandcoolinginthefactoryareainsummer.Inlinewiththe"people-oriented"concept,wecreateanenvironmentallyfriendly,safeandcomfortableproductionenvironmentforthefactoryandthefirst-lineproductionpersonnel.

Applicationfield

Industrialelectromagneticenergy-savingtransformationiswidelyusedintheenergy-savingtransformationofplasticmachineryheating,wood,construction,food,medicaltreatment,chemicalindustry,etc.,suchasplasticinjectionmoldingmachine,extruder,Filmblowingmachine,wiredrawingmachine,plasticfilm,pipe,wireandothermachines,foodprocessing,textile,printinganddyeing,metallurgy,lightindustry,machinery,surfaceheattreatmentandwelding,boilers,boilingwaterfurnacesandotherindustries,canreplaceresistanceheating,andfuelOpenflametraditionalenergy.

Textileprintinganddyeing:Theuseofelectromagneticheatingforrawmaterialscanimproveenergyefficiency,increaseheatingspeed,andimprovetemperaturecontrolaccuracy;

Lightindustry:sealingofcansandotherplasticpackaging,etc.

Boilerindustry:electromagneticboilerstakeadvantageofitsfastheatingspeed,whichcanabandonthetraditionalheatingmethodofboilersandonlyheatthewaterattheoutletoftheboiler,sothatthewaterflowcanbeheatedintheflow,andtheheatingspeedisfast.savespace.

Machineryindustry:High-frequencyelectromagneticheatingcanbeappliedtoheattreatmentwithmetals,anditseffectissignificantlyimprovedcomparedwithtraditionaltreatmentmethods.Otherssuchasthequenchingofvariousmechanicalparts,aswellasthetempering,annealingandnormalizationafterquenchingTheheatingofheattreatmentsuchasfireandthediathermybeforepressureprocessing;

Theapplicationofelectromagneticheatingtechnologyisnotonlyconducivetotheimprovementofproductquality,productionefficiency,energysaving,consumptionreductionandcostreduction,butalsotheimprovementofequipmentmanufacturingenterprises’Theleveloftechnologyismoreandmorewidelyacceptedandusedintraditionalindustries.

Powersavinganalysis

Howdoeselectromagneticheatersave30%-70%energyonplasticmachinery?1.Comparedwithresistanceheating,electromagneticheaterhasanextralayerofinsulationlayer,whichincreasestheutilizationrateofheatenergy.2.Comparedwithresistanceheating,electromagneticheaterdirectlyactsonthematerialtubetoheat,whichreducestheheatlossofheattransfer.3.Comparedwithresistanceheating,theheatingspeedofelectromagneticheaterismorethanaquarterfaster,whichreducestheheatingtime.4.Comparedwithresistanceheating,theheatingspeedoftheelectromagneticheaterisfaster,andtheproductionefficiencyisimproved.Themotorisinasaturatedstate,whichreducesthepowerlosscausedbyhighpowerandlowdemand.Thetraditionalheatingindustrygenerallyusesresistancewireandquartzheatingmethods.Thistraditionalheatingmethodhasrelativelylowthermalefficiency.Theresistancewireandquartzmainlyrelyonelectricitytogenerateheatbythemselvesandthentransfertheheattothebarrel.,Soastoachievetheeffectofheatingobjects.Themaximumheatutilizationrateofthisheatingeffectisonlyabout50%,andtheother50%oftheheatisdissipatedintotheair.Alltraditionalresistancewireheatingmethodshaveapowerlossofupto50%..Byelectromagneticinductionheating,themagneticfieldisgeneratedbytheelectriccurrenttomaketheferrousmetalpipeheatitself,andtheheatinsulationmaterialisaddedtopreventtheheatfromthepipefromdissipating,theheatutilizationrateisashighas95%,andtheenergysavingeffectcanreach50%intheory.%,butconsideringthattheenergyconversionefficiencyofelectromagneticinductionheatingcontrollersofdifferentqualitiesisnotthesame,aswellasdifferentproductionequipmentandenvironments,theenergy-savingeffectofallelectromagneticheatingcangenerallyreachatleast30%,andthehighestcanreach70%.

Scopeofapplication

1.Plasticandrubberindustry.

Suchas:plasticfilmblowingmachines,wiredrawingmachines,injectionmoldingmachines,rubberextruders,cableproductionextruders,etc.,variouspelletizers,vulcanizers;

2.Pharmaceuticalandchemicalindustry.

Suchas:medicalequipmentsteamsterilizers,medicalinfusionbags,plasticequipmentproductionlines,liquidheatingpipelinesinthechemicalindustry,etc.;

3.Energyandfoodindustries.

Suchas:heatingofcrudeoilpipeline;foodmachinery,suchas:roastingmachine,teaprocessingequipmentandotherequipmentthatneedselectricheating;

4,high-powercommercialelectromagneticstovemovement,Adopt/commercialheatingstoves,varioussteamboilers;

5.Buildingmaterialsindustry.

Suchas:gaspipeproductionline,plasticpipeproductionline,PEplasticrigidflatnet,geonetunit,automatichollowformingmachine,PEhoneycombpanelproductionline,singleanddoublewallcorrugatedpipeextrusionproductionline,compositeaircushionfilmUnit,PVCrigidpipe,corelayerfoamedpipeproductionline,PPextrudedtransparentsheetproductionline,extrudedpolystyrenefoamedpipe,PEstretchfilmunit;

6.Dryingandheatinginprintingequipment;

7.Otherplacesthatneedheating.

Powerselection

1.Confirmtheoriginalheatingmodeoftheequipmentthatneedsenergy-savingtransformation:

A.Electricstovewire/quartz:confirmtheoriginalnumberofheatingzones,Theheatingpowerofeachtemperaturezonecanbematchedbythenearestelectromagneticheatingproductofthecorrespondingpowermodel.Ifthepowerislessthan2.5KW,the2.5KWelectromagneticheatingcontrolboardwillbeselected,andthenumberofmatchingproductscanbethesameastheoriginalheatingzone.,Thismethodismainlyusedforlow-powerequipmentsuchasinjectionmoldingmachines,filmblowingmachines,wiredrawingmachines,andextruders.

B.Coalburning/dieselheating:confirmthediameterofthebarrel,thelengthoftheareatobeheated,thetemperaturetobeheatedaccordingtotheproduction,andthespecificoutputrequirements.Thismethodrequiresacertainlevelofprofessionalismandexperience.IfthecustomerIfnecessary,theabovedatacanbeprovidedbythemanufactureroftheelectromagneticheaterforidentification.Thismethodismainlyusedforhigh-powerequipmentsuchaswaterpelletizersandvariousboilers;

2.Heaters:Thepowermatchingofelectromagneticheatingcanrefertothedailyairconditioningmatchingmethod,whichis15squaremeters./KWcanmeettheheatingdemand;

3.Transforminganelectricheatingrodplacedinwatertoheatanelectromagneticinductionheaterwiththesamepowerhasapowersavingeffectoflessthan10%,whichisnotsignificant,butitcanbegreatlyimproved.Improveitssafetyandantioxidantcapacity.

Comparisonbetweenelectromagneticheatingmethodandresistancewireheatingmethod

1.Goodenergy-savingeffect:Comparedwiththeoriginalresistancewireheatingcoil,theenergy-savingeffectismorethan30%,relativelydifferentrawmaterials,Productionofdifferentproducts,thepower-savingeffecthaschanged.Butthepowersavingefficiencycanreachupto75%intheusedproducts.  

2.Goodenvironmentalprotectioneffect:itcansignificantlyreducetheambienttemperature.  

3.Longservicelife:thecontinuousoperatingtemperatureoftheheatingringisonlyabout100℃,andthereisnoproblemofreplacingtheheatingring.Comparedwithresistancewireheating,secondaryinputisreduced.  

4.Productoutputcanbeincreased:Duetothehighheatingefficiencyoftheproduct,itcansignificantlyreducetheheatingtimeandincreasetheproductoutput.  

5.Safeandreliableperformance:highquality,highlyautomated,nomanualadjustment,one-yearwarranty,ten-yearwarranty.