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增刊1 刘文娟等:钒铁电弧炉底吹增氨的水模型实验研究 ·121· steels.Metall Mater Trans A,1982,13(8):1347 3结论 4]Andrade H L.Akben M G,Jonas J J.Effect of molybdenum,nio- (1)通过正交实验和分析可知,现有实验条件 bium,and vanadium on static recovery and recrystallization and on 下最佳的底吹方案为:模型底吹流量为1306Lh,底 solute strengthening in microalloyed steels.Metall Mater Trans A, 1983,14(10):1967 吹点位置分别为e(0.7R)、d(0.6R)和e(0.7R). [5] Mazumdar D,Guthrie R I L.The physical and mathematical mod- (2)底吹流量和底吹位置对混匀时间均存在显 elling of gas stirred ladle systems.IS//Int,1995.35(1):1 著性影响,随着底吹氮气流量的增大,混匀时间不断 [6]Mondal M K,Maruoka N,Kitamura S,et al.Study of fluid flow 减小,而底吹位置对混匀时间的影响较为复杂,三个 and mixing behaviour of a vacuum degasser.Trans Indian Inst 底吹位置存在相互作用 4Met,2012,65(3):321 ] Zhu M Y,Xiao Z Q.Physical and Mathematical Simulation of (3)本实验条件下推导出的混匀时间经验公式 Steel Refining Process.Beijing:Metallurgical Industry Press,1998 为:7=1683.720a21凸24)a93 (朱苗勇,肖泽强.钢的精炼过程数学物理模拟.北京:治金工 ARRR 业出版社,1998) [8]Xing W,Ni H W,Shen Q Z,et al.Experiment on optimum loca- 参考文献 tion of bottom nozzle in an 130t argon stirred ladle by water model. Lagneborg R,SiweckiT,Zajac S,et al.The role of vanadium in Spec Steel,2007,28(4):13 microalloyed steels.Scand J Metall,1999,28(5):186 (幸伟,倪红卫,沈巧珍,等.130t钢包底吹氢喷嘴布置模式优 Yong Q L,Ma MT,Wu B R.Microalloy Steel-Physical and Me- 化的水模型试验.特殊钢,2007,28(4):13) chanics Metallurgy.Beijing:China Machine Press,1989 9]Mandal J,Patil S,Madan M,et al.Mixing time and correlation (雍岐龙,马鸣图,吴宝榕。微合金钢一物理和力学治金,北 for ladles stirred with dual porous plugs.Metall Mater Trans B. 京:机械工业出版社,1989) 2005,36(4):479 B]Crooks M J,Garratt-Reed A J,Vander Sande J B,et al.The iso- [Geng DQ,Lei H,He JC.Optimization of mixing time in a ladle thermal austenite-ferrite transformation in some deformed vanadium with dual plugs.Int J Miner Metall Mater,2010,17(6):709增刊 1 刘文娟等: 钒铁电弧炉底吹增氮的水模型实验研究 3 结论 ( 1) 通过正交实验和分析可知,现有实验条件 下最佳的底吹方案为: 模型底吹流量为 1306 L /h,底 吹点位置分别为 e( 0. 7R) 、d( 0. 6R) 和 e( 0. 7R) . ( 2) 底吹流量和底吹位置对混匀时间均存在显 著性影响,随着底吹氮气流量的增大,混匀时间不断 减小,而底吹位置对混匀时间的影响较为复杂,三个 底吹位置存在相互作用. ( 3) 本实验条件下推导出的混匀时间经验公式 为: τmix = 1683. 72Q ( - 0. 5211 L1 R L2 R L3 ) R - 0. 2093 . 参 考 文 献 [1] Lagneborg R,Siwecki T,Zajac S,et al. The role of vanadium in microalloyed steels. Scand J Metall,1999,28( 5) : 186 [2] Yong Q L,Ma M T,Wu B R. Microalloy Steel—Physical and Me￾chanics Metallurgy. Beijing: China Machine Press,1989 ( 雍岐龙,马鸣图,吴宝榕. 微合金钢—物理和力学冶金. 北 京: 机械工业出版社,1989) [3] Crooks M J,Garratt-Reed A J,Vander Sande J B,et al. The iso￾thermal austenite-ferrite transformation in some deformed vanadium steels. Metall Mater Trans A,1982,13( 8) : 1347 [4] Andrade H L,Akben M G,Jonas J J. Effect of molybdenum,nio￾bium,and vanadium on static recovery and recrystallization and on solute strengthening in microalloyed steels. Metall Mater Trans A, 1983,14( 10) : 1967 [5] Mazumdar D,Guthrie R I L. The physical and mathematical mod￾elling of gas stirred ladle systems. ISIJ Int,1995,35( 1) : 1 [6] Mondal M K,Maruoka N,Kitamura S,et al. Study of fluid flow and mixing behaviour of a vacuum degasser. Trans Indian Inst Met,2012,65( 3) : 321 [7] Zhu M Y,Xiao Z Q. Physical and Mathematical Simulation of Steel Refining Process. Beijing: Metallurgical Industry Press,1998 ( 朱苗勇,肖泽强. 钢的精炼过程数学物理模拟. 北京: 冶金工 业出版社,1998) [8] Xing W,Ni H W,Shen Q Z,et al. Experiment on optimum loca￾tion of bottom nozzle in an 130 t argon stirred ladle by water model. Spec Steel,2007,28( 4) : 13 ( 幸伟,倪红卫,沈巧珍,等. 130 t 钢包底吹氩喷嘴布置模式优 化的水模型试验. 特殊钢,2007,28( 4) : 13) [9] Mandal J,Patil S,Madan M,et al. Mixing time and correlation for ladles stirred with dual porous plugs. Metall Mater Trans B, 2005,36( 4) : 479 [10] Geng D Q,Lei H,He J C. Optimization of mixing time in a ladle with dual plugs. Int J Miner Metall Mater,2010,17( 6) : 709 ·121·
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