BSSF滚筒法液态钢渣水淬尾气净化工艺的分析刘钰天

BSSF112221．2016202．、243000BSSF、、、。。5.0m/s、4.00.7L/m3。THEANALYSISOFPURIFICATIONPROCESSOFTHETAILGASFROMSTEELSLAGWATERQUENCHINGBYBSSFROLLERMETHODLiuYutian1ShenHenggen1YanWeihua2MaJianping2HuJia21．CollegeofEnvironmentalScienceandEngineeringDonghuaUniversityShanghai201620China2．AnticorrosiveandEnvironmentalProtectionBranchMaanshanSteelGroupIndustrialDevelopmentCompanyMaanshan243000ChinaAbstractAimingatthecharacteristicsashighhumidityintermittencebigvolatilitysmallsizeofdustparticleetcofthetailgasfromsteelslagwaterquenchingbyBSSFrollermethoditwasproposedcombinedprocessofswirlingspraydustingandself-stimulatedwetdusting．Anditwasdemonstratedthededustingeffectoftheprocessbythespecificengineeringexamplesandcombinedwiththetheoryanalysisandnumericalsimulation．Theresultsshowthatthesizeofparticulatescanbeincreased．adoptingaerosoltwo-phaseguntosprayinthepipeatthefrontofthedustremovalequipmentandthroughthecollisionbetweensubtlemotesanddroplets．Whenthepipelinesectionaveragewindspeedsare5m/sandcylinderentranceandpipelinesectionarearatioisaround4theliquid-gasratioisnotlessthan0.7thepurificationprocesscanachievededustingrequirements．Keywordsliquidsteelslagwaterquenchingfluegaspurificationswirlingspraydedustingself-stimulatingdeduster1BSSFBaosteel'sshort-flow。、、、、、。11-2。1。3276mg/m38720118294DOI:10.13205/j.hjgc.2011.04.009EGB/T16157—19962．5m3．5m3012H。pH11～13≤100mg/L5min20min3～10t1300℃1．3MPa200～210℃250m。1。1/L/%/m3·h－1/m3·h－1/kPa/Pa/m·s－1/mg·m－3/℃/mm27．6029．304．76×1049．28×104100．621．005．303376．2076．02500×82、、。。。。2.1BSSF5min20min。6～9m3/h76℃5m/s3276mg/m3。1。2.2BSSF22。PM1050%2μm14%2～10μm26%～32%。2/μm/%123/%≤13．343．333．823．501～210．077．858．938．952～1037．8126．5630．1831．52＞1048．8162．2657．0556．04100．03100．0099．98100．00。。、。2.32。21。。2。。3。4。。59720118294。6。。34η=1－exp－32·avrd·Hvg()Ea———vr———m/sd———mH———mvg———m/sE———。zr=RH。a=L2πRHvrL———m3/s。η=1－exp－34·δdr0Er*U*()zδ、r0、d、r*U*z。Herne4EStk。E=0.00376－0.464Stk+9.68Stk2－16.25Stk30.0416≤Stk≤0.3E=Stk2Stk+0.252Stk≥0.3StkStk=vrρpd2p18μdvr=322d1.5ρlv2t15υ0.5ρg槡RStkStk=ρpd2p18μd·322d1.5ρlv2t15υ0.5ρg槡R=Cd2pv2t()R232/3。、、。44.13。3。4。45。551/m1μm、3000kg/m3。082011829454∶13.821600mm×400mm。4.2。。。6。δ/d。δ/d。1μmδ/d＞790%。67FM2571/mFM253。7。FM25100μm0.7L/m350t/hFM257t/h7214。3。3FM25/7/mm5.0/MPa0.30/m3·h－17/m3·h－1150/MPa0.304.3S、。58。896%。3276mg/m3。。。。9。8918201182944、5。8．78t/a。4/m3·h－1/mg·m－3/kg·h－12008－05－09125614865．216．70225363058．414．81325357559．615．112008－05－10125463563．516．17225486161．715．72325471664．316．385/m3·h－1/mg·m－3/kg·h－12008－05－0912785834．81．3422706744．61．2532736294．51．232008－5－1012675314．31．1522713164．11．1132700084．41．191。2。[e-mail]2010－12－15櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅81998.5%＞99%50mg/m3。。51、、、。2BSSF5m/s、0.7L/m3、4。1．BSSFJ．2009z190-94．2．BSSFJ．2009321-23．3．FM10[e-mail]2010－11－299820118294