高炉渣资源化新技术的发展

,,(,114009):,,,:;;:TF546:A:1006-4613(2009)04-0011-05DevelopmentofNewRecyclingResourceTechnologyforBlastFurnaceSlagHuJunge,ZhaoXiaoyan,ZhangDongli(TechnologyCenterofAngangsteelCo.,Ltd.,Anshan114009,Liaoning,China)Abstract:Inordertoproducehighaddedvalueproducts,variousrecyclingtechnologiesonblastfurnaceslagareinvestigated,whichincludetreatingwastewaterbyapplicationofBFslagandtakingBFslagasthedesulphurizingagentoffuelgasandpreparingsuchproductsasmicrocrystalglass,sialonceramics,slagwoolandrockwool,water-resistingmaterialforroadbuild,colorfulroadstone,hydratedsilicondioxidebytakingBFslagasrawmaterials.Meanwhile,thedevelopmentofrecyclingtechnologiesisalsointroduced.Keywords:blastfurnaceslag;recycling;recyclingresource,,,,,11.1,,,,,1990,,,,,,,:,,,,FeMgCa,,[1],[2],,,1120094ANGANGTECHNOLOGY358,,,,,1000[3],,85%,90%1.22000,[1,4-6],,SO2,Ca(OH)2Ca(OH)2,,[7],,,,32.2%,48.8%,[8],DS-SO2,95%,,1.3,,,,,,2020,,,,,,,2060,50%,,930[9]2080,45%55%,,1300,[10]12%15%,;1%3%,8%10%,[12]90%95%5%10%(),,112012002h,[11]55%,TiO2,1.4Si3N4,:-sialon-sialon-sialon,,Si3N4AlNAl2O3,,,,21:20094358-Sialon[13],Si((Si)98%,30m)Al((Al)98%,25m)Si3N4AlN,,,,-sialon,N248h,1700(HP)1h1800(PLS)2h,1,-sialon1/(gcm-3)/GPa/(MPam1/2)/MPa3.0715.534.723603.1716.024.48599111.51.5.1700,,,,,,,,,[14],200320000t80%;,1.5.2JFE,CO2,,,JFE,15001600,(),35mJFE,;,140060t,,1400,1500,2[15],60%+40%3120094ANGANGTECHNOLOGY35821.61.6.1,,,JFE[16],,,,,2m,65%,60%,,3,33,11,13,15,101.6.2,,,,,,,[17],,,,1.7,,,[18](),,(),,,(),,pH,pH89,,,,,2241:200943582;,;,,;,,,,,,,,,,,7000/t,,3,,,,,,;,[1],,,.[J].,2007(6):28-31.[2],,,.[J].,2004,24():692-892.[3],,,.[J].,2005(5):27-30.[4]Brodnax,L.F.,Rochelle,G.T.Preparationofcalciumsilicateabsorbentfromironblastfurnaceslag[J].JournalofAirandWasteManagementAssociation,2000,50(9):1655-1662.[5]Liu,C.F.,Shih,S.M.AbsorptionofSO2byironblastfur2naceslag/hydratedlimesorbents[C]ProceedingsSymposiumonTransportPhenomenaanditsApplications,Taiwan,2001:703-706.[6]Jozewicz,W.,Jorgensen,C.,Chang,J.C.S.,etal.Devel2opmentandpilotplantevaluationofsilica-enhancedlimesor2bentsfordrygasdesulfurization[J].JournalofAirPollutionControlAssociation,1988,38:796-805.[7].[M/OL].,2005.[2009-01-05].http:[8].DS-[J].,2004(4):27-30.[9],,.[J].,1997(4):17.[10],[J].,2003(3):28-29.[11],,.[J].,2007(4):11-14.[12],,,,[J].,2007(3):98-100.[13]WeiwuChen,YibingCheng,PeilingWang,etal.PreparationandPropertiesofLow-cost-SialonCeramicsSynthesized(21)5120094ANGANGTECHNOLOGY3584,,,,,,,,,:(1):(2):(3):+++(),(4),2/3,,(5),2/3,,,[1],.[J].,1997,8(4):42-45.[2]L.J.Heaslip,A.Mclean,I.D.Sommerville.ChemicalandPhys2icalInteractionsduringTransferOperations-ContinuousCast2ing[C].WarrendalePA:ISSAIME,1983.[3],,,.[C]//2005,2005:465-468.[4],,,.[J].,2005,21(2):26-29.[5],,,.[J].,2004,27(3):245-249.[6],,,.[J].,2002(1):36-40.[7].[D].:,2005.[8].[J].,1998(2):29-33.[9].[D].:,2007.[10],,,.[C]//2001,2001:792.[11],,,.[J].,2002(8):6-9.[12].[D].:,2005.[13].[D].:,2007.[14],.[J].,2000,16(4):1-2.[15],,.[J]..2003,37(6):364-365.():2009-03-03(15)fromSlag[J/OL].Azojomo,2005(1):10-22.[2008-01-19].ht2tp://[14].[J].,2003(3):54-55.[15],.[J].,2006(1):44-46.[16]KazuyaYABUTA,HirokazuTOZAWA,TatsuhitoTAKA2HASHI.NewApplicationsofIronandSteelmakingSlagContributingtoaRecycling-orientedSociety[J].JFETECHNICALREPORT,2006(8):17-23.[17],,,.[J].,2003,26(4):112-114.[18]TokuroNANBA,ShuheiMIKAMI,TakuyaIMAOKA.Chem2icalrecyclingofinorganicwastesbyusingphaseseparationofglass[J].JournaloftheChemicSocietyofJapan,2008,116(2):220-223.():2009-05-111220094ANGANGTECHNOLOGY358