电弧炉炼钢提高生产率的技术进展

:(1973-),(),,,,,(,100081):,,():;;:TF741.5:C:100221043(2005)0620048205TechnicalProgressinImprovementofEAFProductivityWANGCheng2xi,LIUXiao(TechnicalInformationDepartmentofCentralIron&SteelResearchInst.,Beijing100081,China)Abstract:Theelectricarcfurnacesteel2makingproductivityhasgainedrapidprogressintherecentyears.TheprimarynewtechnologiesthatimprovetheproductivityofEAFmainlyincludeEAFpowerinputtechnology,oxygeninputtechnologyandEAFintelli2gentcontroltechnology(expertsystem).ThetechnicalandeconomicalindexesofafewadvancedEAFsathomeandabroadhavebeencompared.Itsconcludedthatimprove2mentintheproductivityofEAFistheinevitableroadtothedevelopmentofEAFsteel2making.Keywords:electricarcfurnace;steel2making;productivity200335%,16%,,,,100t,,41min;90t,,28min[1],11.125,,[2]1.1.1(UHPEAF)2060,6.7m,5080MVA,500kVA,700V,,,,0.7070.7401.1.21982,,84200512216SteelmakingDec.2005Vol.21No.61.1.3,,(10001500V),,0.85,,,,1.1.4,,,,,,,20,515546kWh/t;2003,350kWh/t1.2PraxairsCojet,MACSTEEL,,[3]Cojet(1)5,60;(2);(3)30200t;(4)14;(5)Con2steel;(6)100%100%;(7)36MW;(8)7753200m3/h;(9)1246m3/tNucorSteel,10CojetNu2cor2Auburn65t1Co2jet,31Cojet1Cojet/(kWht-1)/(th-1)/min/%/(kgt-1)/(kgt-1)35159630.252.403207551+0.750.181.95-31+16-12+0.75-0.07-0.45[3]Cojet20m3/t50m3/t,Cojet,/5kWh/m31.3()DanExpABSDANARCPlus,[4]:(DanExp2PA),;(DanExp2PO),;(DanExp2OS),,1.3.1,:();946,:3:;;,,1.3.2,,,,,1.3.3DanExp2PA,(CO),1.3.4:(1)(2)(3)(4):;;;,:,,;,1.4206080,80,90,,(1),(2),(3),(4),(5),30%,100kWh/t,50/t,,,,100t90tConsteel,35%,(12)[5]1100t290tConsteel2(1)[1]100t25%()2003:41min,30min052131min,27min92%1.5%37,3970t20031081278t32.2t/(td),39.7t/(td)222kWh/t,160kWh/t41m3/t1.5kg/t,1.3kg/t(2)100t,90MVA3PyreJet2PyrOx,2[6](3)70t,60MVA3PTIJetBox,3(4)150t,100MVA,DRIHBI,324,42PyreJet100t/min/min/(kWht-1)/(kgt-1)/(m3t-1)199856684801.5448200051593271.2845PyreJet42492810.925240%50%PyreJet36441770.67563PTIJetBoxMORE/MW/min/min/(kWht-1)/(kgt-1)/(m3t-1)MORE1)43.6333645543051.832PTIJetBox2)47.4303342502751.439+3.8-3-5-3-6-30-0.4+7:1)20%,;2)20%,,4150t/(m3t-1)/(kgt-1)//min/(ta-1)/(kWht-1)/(kgt-1)/(m3t-1)-1014100605312.921682065904021.443(5)290t,,200t,174MVA,43,33.5min282MVA,51,28.2min(6)BerkeleyBerkeley1996,2160t2002300t[7]Berkeley,:156,:3180t15%30%,15%25%,20%46%,0%10%HBI,10%4Cojet,2940m3/t,160t,100t,6001000,1020t,80MVA,,9001000V/140kA,2830min,3540minBerkeley,,3060min,,,MgO212h7000h55/min/min/t/(kWht-1)/(m3t-1)/(m3t-1)/(m3t-1)2830354016037042029404.04.512183,[][1].[A].[C].,2004,1942200.[2]BlissNG.ImprovementsinArcFurnaceElectricalEffi2ciency[J].IronandSteelmaker,2003,(5):20222.[3]WartySK.PraxairsCojetGasInjectionSystemDelive2ringBenefitsandGainingUsefulKnowledgeforFutureEn2hancements[J].IronandSteelmaker,2003,(3):23230.[4]PavlicevicM.ExpertEAFSuiteforProcessControlOpti2mization[J].IronandSteelmaker,2003,(4):47253.[5]..CONSTEEL[M].:,2004,1102116.[6].100tEBT[J].,2004,25(3):50251.[7]DryRJ.HighProductivityEAFMeltShopOperation[J].IronandSteelmaker,2003,(7):23227.(:2004212202)(43)84%,(3)5.48mg/10kg,[][1],[A].:[C],1998,70.[2],.[M].:,1991,15216.[3].[M].:,1990,321.[4],.[J].,1999,(5):12215.(:2004211215)2521