电熔镁炉极心圆的优化分析

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1、万方数据东北大学硕士学位论文AbStractFusedMagnesiaFurnaceElectrodeCenterCircleOptimizationResearchAbstractChinaisthelargestproduceroffusedmagnesiaforitsmaximalproductionintheworld．Atpresent，mostfusedmagnesiaenterprisesarestillusingoriginalEAFproductionmethodsfi'ominternationally40，50s，resultinglowpower,smal

2、l—capacity,lowefficiency．Althoughsomeoftheproducersoffusedmagnesiumarechangingtothehighpowermodeinthefurnacegradually,buttheoryfurnaceofthepowerproductionprocessisinsufficient，whichresultsthatunsatisfactoryoftheactualproduction，lowyields，highenergyconsumptionproblemstillhasnotbeensolved．Theop

3、timizationofthehigh-powerfusedmagnesiumfurnaceisquitefew,mainlyinthefollowingtwoways：(1)Usealargediameterfurnacesmeltingfurnacetoreducetheheatloss，whilepreheatingtheskinsandofmaterial，butalsoaffectingthemeltingcrystallizationeffectofthelumpinside．(2)Useheatrecoverysystemsaftercompletionoffuse

4、dmagnesiumsmelting．Heatrecoverycanbeeffective，buttheeffectiveutilizationofgeothermalenergycannotbeincreased．Infusedmagnesiumfurnaceprocessparameters，theparameterscanbeeasilyadjustedispolediameter．Choosingtherightpolediametertosmelt，inordertogetalargerareaofthepoolandensuretheeffectivecrystall

5、izationeffectswhileimprovingenergyefficiency．Thispaperfirstpresentsamethodforcalculatingthepolediameter,andtheestablishmentofacalculateddiameterofthepolerelationship．Second，useAnsystoanalyzethefactorslikepolediameterthataffectthesizeofthepoolarea，inordertoidentifythefactorswithareasonablewayt

6、ogetthemaximumbatharea．Finally,accordingtotheresultsofanalysistoanalyzeenergy—savingmethodsofon．sitefurnace．Wecalculatedtheheatofarctoheatthepoolatlinecurrentatthe12kA．UseAnsyssoftwaretoestablishelectricarcfurnacefiniteelementmodeltocalculatethe向sedmagnesiumfurnaceJouleheatdistributionofthepo

7、olarea．Duringcurrentgradually．．III．．万方数据东北大学硕士学位论文Abstractdecreases，bathJouleheatingpowerandtheproportionofthermalpowerofthearcchanges．Meanwhile，uesAnsyssoftwaretosimulatethecoolingcurveovertimeoftemperaturefield，analyzethecrystallizationproc