国内外纯净钢生产技术的新进展

(),CSPNHT.O,NewProgressofProductionTechnologyforCleanSteelatHomeandAbroadPanXiulanGuoYanlingWangYanhong(AngangTechnologyCenter)AbstractThisarticlesummarizestheproductiontechnologyforcleansteelinadvancedsteelmakingplantsathomeandabroad,discussesthemaintechnicalmeasurementstocontrolinclusionsincludingC,S,P,N,H,T.Oduringpretreatinghotmetal,smelting,refiningandcontinuouscasting,andprovidesrefer2encestoselecttechniqueandcontrolcompositionsforcleansteelproduction.KeyWordscleansteelproductiontechnologyprogressinclusion1,,:,,,,(IF),CSPNHT.O0101%,CSPNHT.O01004%1,1[1],10-4%196019701980199019962000CSPNHT.O200200200403.0408040100302.030301040201.01010410100.8752.510101.0540.6360.52,,,,,,DI,,1982,(114001)120035ANGANGTECHNOLOGY,,,,Mitchell,,1m,,,[2],2[313]2,10-4%[C][P][S][N][H]T.[O]310(3)1662015920251221515401820233415203.42456914141415111212201.01.00.50.20.71.01.02.00.9625555101010181841(34)58(52)51.528.265.780([C])7281.474([C])63.96([C])250IFIFLD-OB+RHBOF+RHBOF+LD+BOF+RHBOF+LF+RHBOF+LF+RHBOF+LF+RHBOF+LF+VD:()2,,SKF0.0005%,Al2O3;,,,,SKD(H13)0.03%0.01%,,[C+N]0.01%,,,,,,,,12.1,()90%0.4%;0.01%;,0.003%,,/,,,,/,-,2.2,,SRP()ORP()NRP()H()MURC(),,1t25kg,40%,220035165,,:;,;,-;([N]0.002%[H]0.0003%);100%,,,[C]3.5%4.0%[S]01015%[P]01015%25min,90%,,,,,IF50%70%,[S]0.003%20%30%,2.33(SNRP),:150tLFRH(Cr2Mo(AIST41))0.00045%,10m,2.4,,,2070,,0.05%;2080,01025%;2090,0.01%,0.005%,,,[S]0.0005%[P]0.002%[N]0.0025%[H]0.0001%[C]0.0003%[O]0.0002%0.0003%[3]2.53[14]3,10-4%,4BOFLMF302421151990MiddletownRH601051540(25)16.923.81991LorainBOP131719912035203010151991LF+RH1913.21994WeirtonDravo-RH23102212199548123238171993Koerhar32232000Dillinger101510151994IjmuidenIF20301994DunkirkRH-DB20501997RH101994RH40201989LF+RH2531101991LF+RH30121994LF+RH402310102000:()3,,,,,,,,,42003585%,,,300t,14min,91%,0.0072%IF,,,,,IF,X60X70,,70%,0.002%,90%0.0009%010012%01001%0.0005%,0.0003%;150tEAF+LF0.001%,;GCr150.000735%,0100043%SP52510MPa,,50%HBI,[Cu]0108%[Cu+Ni+Cr+Mo]0115%,,[C][P](96%),2003612,SPNHT.O01006396%,4,,,,,,,,,1..,2002,2.64692..,2002,3.1611653.20021200354..2002.55..,2001.46..,2001.67..,2000.118..,2002.69..,2002.310..,2001.111..,2002.512..,2001.3132002SteelmakingConferenceProceedings14H.T.Tsai,W.J.SammonandD.E.Hazelton,CharacterizationandCountermeasuresforSliverDefectsinColdRolledProducts,inSteelmakingConf.Proc.Vol.73,IronandSociety,WarrendalePA,1990,4959():2003-04-105