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Vol.31 Suppl.I 岳峰等:RH冶炼超低碳钢的最优工艺研究 .57. 0oplg:钢包顶渣向钢液传氧的速率,10一6. P:真空室压力,Pa; min; S:真空槽的表面积,m2; Wv:真空室内钢液的重量,t; KTB:RH炉的顶吹氧枪, aKc,ko:碳、氧传质的容积系数,m3min-1; 参考文献 p:钢液的密度,tm3; [1]Karlyn D A.Veith R W,Forand J L.Mechanical working and t:时间,min; steel processing M.Trans Met Soc AIME.1969.(7):127 OκTB:强制脱碳时吹入氧气引起的真空室内钢 [2]Zhao H.Wang X J.Development and production of interstitial 液吸氧速率,l0一6min-1; free steel.Res Iron Steel.1993.(1):49 Cs,Os:真空室内反应界面钢液的平衡碳、氧含 (赵辉,王先进。无间隙原子钢的生产与发展.钢铁研究, 量,10-6: 1993,(1):49) [3]Jungreithmeier A,Pissenberger E.Burgstaller K,et al.Produc- Pco:真空室内C0的分压,Pa: tion of ULC IF steel Grades at Voest-Alpine Stahl GmbH.Iron T:钢水温度,K; Steel Technol.1996.(4):41 Ccp:废钢引起的增碳量与钢包钢液重量的比 [4]Lee KK.Park J M.Chung J Y.Choi S H.Ahn S B.The see- 值,10-5: ondary refining technologies for improving the cleanliness of ultra low carbon steel at Kwangyang works.La Revue de ToL:顶渣传氧的时间常数; Metalluregie-CIT.1996.(4):504 010:顶渣与钢液平衡时的氧含量,10-6: [5]Cai KK.Zhang L F.Liu Z Z.Pure steel production technology Lo:反应(Fe0)一[Fe]+[0]的平衡常数; and present situation.Henan Metall,2003.11(3):3 (蔡开科,张立蜂,刘中柱。纯净钢生产技术及现状,河南治 TFe:顶渣中全铁的含量(质量分数),%; 金,2003,11(3):3) Mre:Fe的原子量,tmol; [6]Yamaguchi K.Kishimoto Y.Effect of refining conditions for ul- %other:顶渣中除全铁外其他组元总的含量 tra low carbon steel on decarburization reaction in RH degasser. (质量分数),%; ISIJ1m,1992,32(1):126 Mother:顶渣中除全铁外其他组元的原子量,t· [7]Kuwabara T,Umezawa K.Mori K.et al.Investigation of decar- mol; burization behavior in RH-reactor and its operation improvement Trans Iron Steel Inst Jpn.1988.28(4):305 Po:大气压力,Pa;Otopslag:钢包顶渣向钢液传氧的速率‚10-6· min -1 ; WV:真空室内钢液的重量‚t; αKC‚αK O:碳、氧传质的容积系数‚m 3·min -1 ; ρ:钢液的密度‚t·m -3 ; t:时间‚min; OKTB:强制脱碳时吹入氧气引起的真空室内钢 液吸氧速率‚10-6·min -1 ; CS‚OS:真空室内反应界面钢液的平衡碳、氧含 量‚10-6 ; P ∗ CO:真空室内 CO 的分压‚Pa; T:钢水温度‚K; Cscrap:废钢引起的增碳量与钢包钢液重量的比 值‚10-6 ; T OL:顶渣传氧的时间常数; OLQ:顶渣与钢液平衡时的氧含量‚10-6 ; L O:反应(FeO) [Fe]+[O]的平衡常数; TFe:顶渣中全铁的含量(质量分数)‚%; MFe:Fe 的原子量‚t·mol -1 ; %other:顶渣中除全铁外其他组元总的含量 (质量分数)‚%; Mother:顶渣中除全铁外其他组元的原子量‚t· mol -1 ; P0:大气压力‚Pa; P:真空室压力‚Pa; S:真空槽的表面积‚m 2 ; KTB:RH 炉的顶吹氧枪. 参 考 文 献 [1] Karlyn D A‚Veith R W‚Forand J L.Mechanical working and steel processing Ⅶ.T rans Met Soc AIME‚1969‚(7):127 [2] Zhao H‚Wang X J.Development and production of interstitial free steel.Res Iron Steel‚1993‚(1):49 (赵辉‚王先进.无间隙原子钢的生产与发展.钢铁研究‚ 1993‚(1):49) [3] Jungreithmeier A‚Pissenberger E‚Burgstaller K‚et al.Produc￾tion of ULC IF steel Grades at Voest-Alpine Stahl GmbH.Iron Steel Technol‚1996‚(4):41 [4] Lee K K‚Park J M‚Chung J Y‚Choi S H‚Ahn S B.The sec￾ondary refining technologies for improving the cleanliness of ultra low carbon steel at Kwangyang works. L a Rev ue de Métalluregie-CIT‚1996‚(4):504 [5] Cai K K‚Zhang L F‚Liu Z Z.Pure steel production technology and present situation.Henan Metall‚2003‚11(3):3 (蔡开科‚张立峰‚刘中柱.纯净钢生产技术及现状.河南冶 金‚2003‚11(3):3) [6] Yamaguchi K‚Kishimoto Y.Effect of refining conditions for ul￾tra low carbon steel on decarburization reaction in RH degasser. ISIJ Int‚1992‚32(1):126 [7] Kuwabara T‚Umezawa K‚Mori K‚et al.Investigation of decar￾burization behavior in RH-reactor and its operation improvement. T rans Iron Steel Inst Jpn‚1988‚28(4):305 Vol.31Suppl.1 岳 峰等: RH 冶炼超低碳钢的最优工艺研究 ·57·
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