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454Vol.45No.4201812NonferrousMetalsDesignDec.20182018－09－251972—。。224014。。TQ127.11A1004－2660201896－0100－04FlueGasTreatmentTechnologyandApplicationofCarbonRoastingFurnaceforAluminumWanJiabingXieHaitangTangXiaolongChenLipingDangXiaoqingYanchengLanfengEnvironmentalEngineeringTechnologyCo．Ltd．Yancheng224014ChinaAbstractWitheconomicdevelopmentandindustrialprogressinrecentyearsthedemandforpre－roastedan-odeforelectrolyticaluminumhasbeenincreasing．Roastingfurnaceisthemostimportantlargethermalkilnfortheproductionofpre－roastedanode．Thispaperintroducesthecompositionandcharacteristicsoffluegaspro-ducedbyroastingfurnaceanalyzesanddiscussesthemainpointsoffluegastreatmentbyfilterscreenESP．KeywordsPre－roastedanodeRoastingfurnaceElectrostaticprecipitatorFilterscreenelectrostaticprecip-itator0。。。、。。1～299%200～500Pa105～106m30.2～0.4W/m3400℃。、、、。3～5。、。、、、、、、、、、、、、、、、。。。、。、、、。。、、、。11.1。。。1.2、、、、、1。22.1、、SO2、。2.2140m。250℃～90℃2。1Fig.1Flowsheetofpre－roastedanodeaftercalcination2Fig.2Flowsheetoffluegasdischargeofroastingfurnace33.1。79453.24①②③④。。。3.30．01～50μm、、。。44.14.1.1。。ΠΠ3。4.1.2、、。3Fig.3Flowdirectionofdust－containinggas4.1.3。4、5。4Fig.4Airflowdirectionoftraditionaldustcollector895Fig.5Airflowdirectionoffilterscreendustcollector6。。99.9%6。6Fig.6Filterscreenelectrostaticprecipitator1．M．2007．2．M．2003．3．M．2002．99