电弧炉炼钢技术的国内外现状及发展趋势

(),,PresentStatusandDevelopingTrendofEAFSteel-makingTechnologyatHomeandAbroadLiFeng,LiuRunzaoandLiShiqi(UniversityofScienceandTechnologyBeijing)AbstractThisarticlemakesabriefdescriptionofproductionbysomeelectricarcfurnacesathomeandabroad,sumsupvariousEAFtechnologiespresentlyexisting.Afteranalysisofprojectionmadebyforeignspe2cialistsfordevelopingorientationofEAFintheworld,preliminarilyinfersthedevelopingtrentofEAFinourcountryinthefuture.KeywordsEAF,Athomeandabroad,Presentstatus,Trend1,,200084115.4t,28352t,33.7%,1995,16.8%,13.2%[1]2001,84379.7t,29587.9t,35.07%,,,200046.8%28.8%,,20002020t,15.9%2001,15163t,2400.5t,15.83%2090,1,2,3(1,2)4199620001196200312WIDEANDHEAVYPLATEVol.9.No.6December2003©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[2],1990199960150t19,1645t,2000,50t,50t39,100t1019924.6tö,2000179,50150t36,100t18,:150t150t50t70t,(LF),VD90,SiegfriedKohle,[3],29©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(:)tMVANm3ötminminkWhöt(AC)kgötkgöttöh199086602416601054502.96.96119991108030163570493921.93.1941106031160363483671.83.41111129328163978494162.02.982,,22.12.1.1,1964,,SchwabeRobinson:1)2)3)4),2.1.2,,,,,,,,,,,(),,,,:(),,,2.1.3,,,,,,,,,,,36:©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.ö40mm,,,,,,,,,,,,2.1.4,,:,,,,,PID,,,19969,(IAF),,,,,,,,,,,,IAF2.1.5,,,,,,:1)2),3),4),5%10%5)10156)30%72.22.2.1,45m3öt,4060min,,(Co2herentJet),2.2.2,,,,,,,,50%15%35%,49©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[C][O]COCO,FeO10%,,FeO10%20%,,,,FeO30%40%,3ö4,30%60%;10%14%;22%;,50%70%,,2kgöt,,,,2.2.3,,,;,,65%,70%,,,2.2.4,197450t[3]:1)98%,,15%2),15(4045),,25%;,8%3),,,,2530,2025kWhöt,4),,,2.2.5,,,,,,;,,,,,,,,,(),,,,2.32.3.1,11%,20%,:1):2),56:©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.öt,,C-CO12.5MJökg,9kgökg,CO-CO2,20.7MJökg,15kgökg,,PC:PC=%CO2ö(%CO+%CO2)100%PC0%CO,PC100%CO22.3.2,,,(Consteel),,,(MultiStagePreheat2ing),,,,,;2.42.4.1(directreducediron-DRI)(hotbriquettediron-HBI):,,,,,,,,18%2%;,,,DRI,,,2.4.2,,,,,,,:,,,,,,,,,,,(),,,(T1650),,,33.169©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[4]1),10,,,,,2010,2)2010,360kWhöt,45min300,:()3),4),,,RHFöSAF,,2010DRIöHBI,öDRI,,DRI,DRI,,():(1)(3)3%%%%%10045108010201011255207010,2010,(4)(2)54DRIöHBIMtMtöDRI%öDRI%öDRI%öDRI%DRI%DRI%MtMt310.069010006942.26.4201050177.5106.52.51585585AC%DC%2DC%%ACkgötDCkgötkgötminmin55458102.21.14685020001000201050501020213.55845250015003.2,1),,();,,2),,:;;76:©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[5]:1),,:2),,,:;EAF,3),IT[6],,,1),,,;2),Consteel,,3),,:85%,85%,800kWhöt;,,[7]44.1,,:1),,2),,300kWh(),3),4.2:1),2),,3),4),1..2001,20012.2001,2002.53S.Kohle,ImprovementsinEAFoperatingpracticesoverthelastdecade,ISSJ57thElectricFurnaceConferenceProceedings,1999.3144EAFTechnologyStateoftheArtandFutureTrends,InternationalIronandSteelInstituteAssociation.20005L.,..:,20006..,19997,..,2000:2003101689©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.