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36 420057 JOURNALOFTAIYUANUNIVERSITYOFTECHNOLOGY Vol.36No.4 July2005 :1007-9432(2005)04-0491-04钢铁厂烧结烟气脱硫技术的探讨郝继锋,汪 莉,宋存义(,100083) :概述了钢铁企业二氧化硫污染的现状和主要控制技术,指出烧结烟气脱硫是有效的控制措施。分析了烧结烟气的特点,主要介绍了密相干塔烟气脱硫工艺,。:烧结烟气;烟气脱硫(FGD);SO2;密相干塔:X756 :A ,。,、、。,。1996(SO2)97.8t,SO27.5%,、、,3[1,2]。SO240%~60%,SO2,SO2。,SO2,SO2。,。SO2,,。,。,[1-3]。1 烧结烟气SO2主要控制技术,SO2:1);2);3)[4-6]。1.1 SO2FeS2FeS、S(、FeS2FeS),SSO285%~95%.,,,SO2,。,,。,。1.2 SO21000~3000mg/m3,,,360m.、,200m,SO20.017mg/m3。200m。,。,。,SO2。1.3 ,。SO2,,SO2,。SO2。200:2005-02-20 :(1974-),,,,,(Tel)13693238469DOI:牨牥牨牰牫牭牭牤jcnkiissn牨牥牥牱牴牬牫牪tyut牪牥牥牭牥牬牥牫牫,10,,。。224,,,。2 烧结烟气的特点,,。,[7,8]:1),1t4000~6000m3。2),,150℃。3)。4)。,,,,10%。5)。,SOx,NOx,,。6)SO2,,1000~3000mg/m3.3 烧结烟气脱硫技术3.1 ,,,70,。80,、、、[4,5,8,9]。,。、。,、。,SO2.,。、、、。SO2,HCl、HF;;。、、、、。,,,。,,,,。3.2 ,、、、、、。,20、。3.2.1 工艺过程,,3%5%,,1。,。,95%。,。 :1)SO2。,SO2,,。2)。、,,。3)(1)~(7)。CaO+H2OCa(OH)2,(1)Ca(OH)2+SO2+1/2H2OCaSO312H2O+H2O,(2)Ca(OH)2+SO3+H2OCaSO42H2O,(3)CaSO312H2O+1/2O2+3/2H2O,CaSO42H2O,(4)492 36 Ca(OH)2+CO2CaCO3+H2O,(5)Ca(OH)2+2HClCaCl2+2H2O,(6)Ca(OH)2+2HFCaF2+2H2O.(7)1 3.2.2 工艺特点1),,CaSO3(CaSO4)Ca(OH)2,,95%,SO3、HCl、HF;2),,3%~5%;3),,;4)SO2,;5),,,;6),、;7)。3.2.3 系统的自动控制:;SO2,。4 建议,,,,。1):、、、、、、、。2),,。3),SO2,,SO2,SO2。,SO2,。4),SO2,。:[1] .[J].,1999,34(7):66-69.[2] .[J].,2004,3:1-2.[3] ,.[M].:,2001:75-80.[4] .[J].,2002,20(8):7-10.[5] ,.[J].,2002,40(5):50-53.493 4 :[6] .[J].,2004(2):24-28.[7] .[M].:,1999:127-131.[8] .SO2[J].,1998(1):3-7.[9] ,.[J].,1995(2):47-49.DiscussiononAgglomerationGasDesulphurizationTechnologyinIronandSteelPlantHAOJi-feng,WANGLi,SONGCun-yi(DepartmentofEnvironmentalEngineering,BeijingUniversityofScienceandTechnology,Beijing100083,China)Abstract:ThispapersummarizesthecurrentpollutionstatusofSO2insteelcompanyandmaincontroltechnologies,pointsouttheagglomerationgasdesulphurizationiseffectivecontrolmeasure,analyzescharacteristicsofagglomerationgas,introducesthedenseflowabsorberdesul-phurizationtechnology,andmakessuggestionsforchoosingagglomerationgasdesulphurizationtech-nology.Keywords:agglomerationgas;fluegasdesulphurization(FGD);SO2;denseflowabsorber(:)(487):[1] [S].:,2000:173-174.[2] ZaraokerSS,ShivalkerSA,DhanvateAA,etal.High-performancethin-layer-chromatographicdeterminationofceftriax-onesodiumfrompharmaceuticalpreparation[J].IndianDrugs,1995,32(5):232-235.[3] .[J].,1999,24(6):419.[4] ,,.Ceftazidime[J].,1989,14(2):98-10.StudyonDeterminationofCeftriaxoneSodiumbySpectrophonetryZHANGZhao-yu,MAQian(CollegeofChemicalEngineeringandTechnologyofTUT,Taiyuan030024,China)Abstract:Anewspectrophonetryforthedeterminationofcontentofceftriaxonesodiumwasdescribed.Thismethodisbasedonareactionofceftriaxonesodiumwithferricunderoptimumtoformthestablecomplexwithanabsoptionmaximumat470nm.Theapparentmolarabsorptivityat470nmis1.5×103L/molcm.TheresultsagreewiththoseabstainedbytheChinesepharmaco-peiamethod.Therelativestandarddeviationis0.63%,whiletheaverageis99.2%~99.5%.Keywords:spectrophonetry;ceftriaxonesodium;Fe3+(:)494 36
本文标题:钢铁厂烧结烟气脱硫技术的探讨郝继锋副本
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