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,(,100081):,w(H),:;;:TF744:A:100121447(2007)0320024203AnalysisandcontrolofhydrogeninelectroslagrefiningprocessCHANGLi2zhong,LIZheng2bang(DepartmentofMetallurgicalTechnology,CentralIronandSteelResearchInstitute,Beijing100081,China)Abstract:Basedonananalysisofhydrogenbehaviorinelectroslagrefiningprocess,effectsofairhumidity,watercontentinslag,hydrogencontentinelectrodeandslagcomponentonhydrogenbehavioriningotarediscussed.Measuresforcontrollinghydro2geniningotareputforward.Keywords:electroslagrefining;hydrogen;slag:(1977-),,,,.,,,,,,,,,,,,,,1,22,OH-,,,[1](1)2,:H2O+O2-Z2(OH-)i(1)ai(OH-)=PH2OO2-k1(2),(2)2,:2(OH-)+Fe2+ZFe+2[O]+2[H](3)(OH-)=HO/k2Fe2+(4)Fe2++O2-ZFe+O(5)k0O2-=0(6)2,OH-:=k(S-s)(iOH--OH-)(7)=w(OH-)/(OH-)kSsOH-,w(H)4220076353ResearchonIron&SteelJune2007Vol.35No.31,:1)w(H);2);3);4)12w(H)w(H)H.Jaeger[2]w(H)w(H),22,w(H)710-6,w(H),w(H)710-6,,w(H)2w(H)w(H)(:20g/m3),,w(H),710-6,,,,3w(H)T.Niimi[3]w(H),w(H)w(H)H2O532665Pa,w(H)410-6510-6H2O,w(H),,()40t,,3:(1)(),;(2)(CaF22Al2O32CaO2SiO2);(3)3,,w(H),,w(H)(),w(H),,w(H)210-6,,w(H),w(H)110-6,,165t,,,w(H)[4]3w(H)523,:4w(H)w(H)CaO,,CaO,,OH-,H4,w(CaO),w(H),SiO2,[5],,4w(CaO)[67],551550Al2O32CaO2SiO2w(CaO),w(SiO2)w(CaO),,w(H),,5w(H),:(1)w(H),,,;(2),;(3),,[][1].[M].:,1996.[2]H.Jaeger,G.Kuehnelt,H.Straube.InvestigationregardingthecontrolofhydrogenandaluminumcontentsinESRin2gots[C].//AmericanSocietyforMetalsandVacuumMet2allurgyDivision.Proceedingsofthe5thInter.SysmposimonElectroslagandOtherSpecialMeltingTechnologies.Pittsburgh:[s.n.],1974:3062322.[3]T.Niimi,M.Miura,S.Matumoto,etal.AnevaluationoftheESRlargeingot[C].//TheIronandsteelInstituteofJapanProceedingsofthe4thInter.SysmposimonElectro2slagMeltingProcess.Tokyo:[s.n.],1973:3222336.[4]M.Wahlster,R.Schumann.AcontributiontotheESRoftheESRforgingingots[C].//TheIronandSteelInstituteofJapanProceedingsofthe4thInter.SysmposimonElec2troslagMeltingProcess.Tokyo:[s.n.],1973:3372345.[5].SiO2[J].,1994,117(1):9212.[6].[M].:,2000.[7]G..[M].,.:,1990.(:2006209222)6235