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基于EDEM和Fluent的废电路板颗粒气流静电分选仿真研究.docx

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基于EDEM和Fluent的废电路板颗粒气流静电分选仿真研究 Title:SimulationStudyonParticle-AirflowElectrostaticSeparationofWastePrintedCircuitBoardsusingEDEMandFluent Abstract: Withtherapidgrowthofelectronicwaste,efficientrecyclingmethodsarenecessarytoreclaimvaluableresourcesandmitigateenvironmentalpollution.Electrostaticseparationisapromisingtechnologytorecovervaluablematerialsfromwasteprintedcircuitboards(PCBs).Thisstudyaimstoinvestigatetheparticle-airflowelectrostaticseparationprocessofwastePCBsusingthecombinationofEDEMandFluentsoftware.Thesimulationprovidesinsightsintotheseparationefficiencyandoptimizationoftheprocessparameters. 1.Introduction: Electronicwaste,especiallywastePCBs,containsasignificantamountofvaluablemetalsandnon-metals.Traditionalrecyclingmethods,suchasmechanicalseparationandhydrometallurgicalprocesses,havelimitationsintermsofefficiencyandenvironmentalimpact.Electrostaticseparationoffersacost-effectiveandenvironmentallyfriendlyalternativeforrecoveringvaluablematerialsfromwastePCBs.Thispaperpresentsasimulation-basedapproachusingEDEMandFluentsoftwaretooptimizetheefficiencyoftheparticle-airflowelectrostaticseparationprocess. 2.Methodology: Thesimulationmodelisbasedonmultiphysicscouplingofparticledynamicsandelectrostatics.EDEMsoftwareisusedtosimulatetheparticleflowbehavior,includingmotion,collision,andinteractionwiththeairflow.TheFluentsoftwareisutilizedtosimulatetheairflowfieldandelectrostaticforcesactingontheparticles.Thecombinationofthesetwosoftwareplatformsenablesacomprehensiveevaluationoftheparticlebehaviorandseparationefficiency. 3.ModelDevelopment: A3Dmodeloftheparticle-airflowelectrostaticseparationsystemisdevelopedbasedonthecharacteristicsofwastePCBs.Themodelincludesaparticlefeeder,aseparationchamber,anairflowsystem,andanelectrostaticfieldgenerator.Theparticleproperties,suchassize,shape,andmaterialcomposition,aredefinedbasedonexperimentaldata.Theairflowandelectrostaticfieldparametersareoptimizedthroughiterativesimulationstoachievethedesiredseparationefficiency. 4.Resul