wwwcnkinet熔盐炉系统及烟气脱硫除尘工艺分析及改进

【】*121．8381002．838100。。X781.2B1008－133X201812－0031－05AnalysisandimprovementofmoltensaltfurnacesystemandfluegasdesulfurizationanddedustingprocessGUOZhanming1YANGXinfei21．XinjiangSnxonChlor－AlkaliCo．Ltd．Turpan838100China2．XinjiangZhongtaiToksunEnergyChemicalCo．Ltd．Turpan838100ChinaKeywordscoalmoltensaltfurnacedesulfurizationdustremovalenvironmentalprotectionAbstractAimingatthemainproblemsexistinginthemoltensaltfurnacesystemandinfluegasdesulfurizationanddustremovalprocessinthefirstphaseofcausticsodaevaporationunittheprocessandequipmentwereimprovedduringtheconstructionofthesecondphaseofproject．Theemissionofsootandsulfurdioxidefromthetwophasesofplantswascomparedandtheimprovementeffectsweresummarized．“”、210t/a、50t/aPVC、40t/a、280t/a、240t/a。40t/a、20t/a。、。、。2012102015。11．1。480℃1．0MPa。290℃135412201812Chlor－AlkaliIndustryVol．54No．12Dec．2018*1976—20019。8150t/a。。2018－02－263619“”。160℃。180℃。。1。1Fig．1Processflowdiagramofdesulfurizationanddedustingoffluegasfromfirstphaseofmoltensaltfurnace1．220138。1①②、③④⑤⑥。1．31。II20900kJ/kg25080kJ/kg。20149726284kJ/kg201592626802kJ/kg201510728165kJ/kg2015101425527kJ/kg2015102923107kJ/kg201511628850kJ/kg2015111825724kJ/kg201611628235kJ/kg20163928812kJ/kg。、。2。。。。。、、。。。3。、。。262℃160℃23檵檵檵檵檵檵檵檵檵檵檵檵殝殝殝殝2018180℃。。。。4。。5。。Na2SO4Na2SO4。。6。“”。。、。2《》GB9078—1996850mg/m3200mg/m312011511《》GB9078—1996。200mg/m3、30mg/m3GB13271—2014。2015SO21。12015SO2Table1Monthlyaverageemissionofsootandsulfurdioxidefromfirstphaseofprojectin2015mg/m3SO21362．019．32371．221．03366．920．74372．519．65405．320．66370．521．37354．520．78330．920．39360．318．710367．519．311346．920．512366．620．81SO2。、3①②③。33．13#2#。3．2。。44．11。142．5℃NaNO2380～395℃≥0．7MPa。2#3#12#3312檵檵檵檵檵檵檵檵檵檵檵檵殝殝殝殝2#3#。、。2。240℃260℃240℃。4．2。4．31。2#3#2#、3#、、2#3#3#、3#。2PLC。PLC100PLC。4．43#3#、3#、3#、3#。55．113#2#3#。23#3t/h5t/h。220℃。5．2。5．3DCS2#、3#。5．4。2。2Fig．1Processflowdiagramofdesulfurizationanddedustingoffluegasfromsecondphaseofmoltensaltfurnace3943檵檵檵檵檵檵檵檵檵檵檵檵殝殝殝殝2018。FT5402FCV5402。=PK1×PK1。FCV－5402。PCV－5304。。。。、。。3s。4。。櫡櫡櫡櫡櫡櫡櫡櫡櫡櫡櫡櫡櫡櫡櫡櫡櫡櫡櫡櫡櫡櫡櫡櫡櫡櫡櫡櫡櫡櫡櫡櫡櫡櫡櫡櫡櫡櫡櫡櫡櫡櫡櫡櫡櫡櫡34620172210℃2。2017、SO23。22017Table2Monthlyaverageemissionofsootandsulfurdioxidefromsecondphaseofprojectin2017℃1#2#2154．20167．873176．28165．304190．53163．765181．56176．156179．16175．337187．92176．728184．77172．819193．51177．293SO2。7。。32017、SO2Table3Monthlyaverageemissionofsootandsulfurdioxidefromfirstphaseandsecondphaseofprojectsin2017mg/m3SO22370．3779．5630．5211．333392．2377．229．2812．434475．6278．3533．149．965415．183．9436．9312．546423．4688．5530．1412．167405．8578．2129．0310．338363．0781．9932．1711．059337．9264．1734．5811．6510383．2473．8733．3510．401．J．201430104．2．GB9078—1996S．1997．3．GB13274—2014S．2014．9312檵檵檵檵檵檵檵檵檵檵檵檵檵檵殝殝殝殝