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1、除尘器流场数值模拟计算ABSTRACTAfteracenturyofdevelopment,precipitatortechnologyhasalreadybecomemoreandmorematureandwidelyusedinpower,steel,nonferrousmetallurgy,chemicalindustryandotherindustrialareas.Withthedevelopmentofeconomy,environmentproblemshavebecomeincreasinglyserious,andareconsideredtobeon
2、eofthehotspotsintheworld.However,thetraditionalfiltercannotsatisfythesevereenvironmentalrequirements,andtheimprovementandinnovationofdusttechnologyareneeded.Theinternalflowtypeofcycloneseparatoriscomplexity，whilethestudyontheinternalspeed,stressandeddycurrentdistributioninthecyclonesepar
3、atorthroughnumericalsimulationtechnologycansavetime,human,materialandfinancialresources.Inthepresentstudy,aguideplatewasaddedintotheairinletofcommoncycloneseparator,andthenthespeed,pressure,turbulenceofthecycloneseparatorwithaguideplatewereexaminedthroughnumericalsimulationtechnologyandl
4、aboratorytest.Generally,theelectrodeconfigurationisthekeycomponentoftheelectrostaticprecipitator,anditsstructureandconfigurationoftheformcanaffecttheelectricalcharacteristicsanddustefficiency.Thus,itnecessarytoexplorethebestnumericalsimulationmodelforlineboardtypeelectricalprecipitatorth
5、roughnumericalsimulation,tostudytheelectricalcharacteristicsofthewettypedustprecipitator.Themainresultsandconclusionsareasfollows：⑴Accordingtonumericalsimulationcalculationandexperimentalstudy,thetangentialvelocitydistributionofthecycloneseparatorwithaguideplatearemoreuniform，andtheaxial
6、velocityhasalsoimproved，additionally,theturbulentkineticenergyandthepressurelossaredecreased.Theaboveresultssuggestthattheguideplatecaneffectivelyimprovetheperformanceofthecycloneseparator.⑵Basedonthenumericalsimulationcalculationofcoronaelectricalprecipitatorwithdraperyline,theinternalp
7、otential,electricfieldstrengthandcurrentdensitydistributionofthelineboardtypeelectricalprecipitatorallshowcirculardistributionalongtheedgeofcentercorona，andmaximumvaluesarefoundinthesurfaceofthecorona，butthesevaluesdecreasedquicklyoutsidethecoronaline;thecurrent-voltagech
