鋁電解槽陽極—熔體電熱場及惰性陽極熱應力的計算機仿真與優(yōu)化.pdf

1、中南大學碩士學位論文鋁電解槽陽極—熔體電熱場及惰性陽極熱應力的計算機仿真與優(yōu)化姓名：程迎軍申請學位級別：碩士專業(yè)：有色金屬冶金指導教師：李劼周乃君20030110ABSTRACTInaluminmreductioncell，mereexistcomplicatedphysicalfields，andcuⅡentfieldandtemperatlJrefieldaremotsofo也erfieldsWhetllercurremfielda

2、ndtcmperatIlrefIeldaredesignedreasonabIyornotiscfiticalforthedesignofaluminmreductioncell，thcrefore，thestudyoncu玎ent6eldandtemperature‘fieldisveryimportaI】tUptoIlow；studiesonca也ode’scuH℃nt丘eldaIldtemperaturefield(especia

3、lly疵ezcprofile)havebeen、ⅣellconductedHowever，mecuⅡemfielda11dtemperaturefieldofanodeafldmoltenelectr01vtehavenotbeenstIldiedweUduetotlledimcultyinascenaillingboundarycond“ionsofelectricconductoftllecontactareaInordertoso

4、lvetheproblem，anewconceptwasconceivedinthisanicle：ByllsingthemuhipleekmentsaIldmultiplepropertiesofANSYSsofare。amodelofaIlode踟1dmoltenelectf01yteasawholewasbuiltandcomputed，therefore，notonlytheascertaimngofelec砸cconductb

5、oundaryconditionsofttlecontactareabeweenanoiIeandelecnDlvte、Ⅳasavoidedbutalsonlecurrentdensi“0fⅡlecontactareacOuldbeanalyzed、Ⅳitllt11emodel’sresult，sothecal叫ationprecisioncouldbeenhancedAmathematicalmo(1elof山e】肌alconduct

6、andelectricconductofDrebakedaluminumreductionceUwaSbuiltbased0nFourier’slaw如dKirclllloff’slaw’andfiniteelementequationsforcaIculatingc哪ntarIdtemperaturefieIdsofaluminurnreductioncellwerededuced、vithGalerl(mmemodA3Dfinite

7、elementmodelofanodeandmoltenelec廿olvtewasbuilt、啦thANSYSsoftware，andwithreasonableass啪ptionofbound攤ycondjions，t11ecurremaIldtemperatm℃fieldsof160kAprebakedreductioncellusedataplantinourcountrywerecomputedThetemperature，Vo

8、ltage，electriccurrentdistributionandheatbalanceoftheceIlwereanalvzedAsitssimulationresultswerewellcoincidedwiththemeasureddata，themodelprovidedfoundationsforoptimizingcurrentfield鋤dt鋤nperaturefieldofaI刪n哪electrolysiscell

9、BaSedont11emodel，也estnlcturaIpararlleterswhichinfluenceda110dedroDandcurremdistributionanodeheat10ssandhorizontalcurrentinal眥in岫wereanalyzed，andascllemetoimprovet11eparametersof160l￡Apreba：kedcellwasputfonv盯d，也ecomputedr

10、esllItst啪edouttobeoptiIIlizedtI姍曲eoriginalcellInaddition，inordertocoop啪te晰ththeresearchofinenanode，tlleoptimizingdesignofther【nalstressofnletalceramic野adientinertanocleontheconditionofeIectrolysiswasalsoconducted；A3Dtlle

11、mlalstressmodelofcylindricalinertanodewasbuilt；Therelationshipsbetweenmermalstressdistributionfcatureininenanoeleandgmdientmickness，掣adientheightandcompositiondi嘶butionofmetal—ceramicw鵲aIlalyzed、Ⅳi也ANSYSsof【ware；Agradien