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李怡宏等:吹气孔堵塞对RH循环流量的影响 ·31 (2)吹气孔对称堵塞时,堵塞10个吹气孔以内, (8):31 循环流量随吹气孔堵塞个数增加而减小.吹气孔与环 [5]Geng DQ,Lei H,He JC.Three-dimensional numerical simula- 流方向成0°堵塞时循环流量最小,呈90°堵塞时循环 tion of coalescence and removal of inclusions in RH degasser.J Iron Steel Res,2009,21(12)10 流量最大,呈45°堵塞时循环流量介于两者之间. (耿佃桥,雷洪,赫冀成.H装置内夹杂物聚合与去除的三维 (3)吹气孔集中堵塞时,循环流量随堵塞个数的 数值模拟.钢铁研究学报,2009,21(12):10) 增加呈现先减小再增加的趋势,在吹气孔堵塞7~9个 [6] Ai X G,Bao Y P,Wu H J,et al.A study on water model for cir- 时,达到最小值,靠近上升管右侧的吹气孔堵塞对循环 culation flow rate optimization in RH degassing refining.Spec 流量的影响较大.同时,随吹气孔堵塞个数的增加,气 Steel,2009,30(3):1 泡泵的作用机制由环状机制向簇群状机制转变,循环 (艾新港,包燕平,吴华杰,等.H精炼循环流量优化的水模型 研究.特殊钢,2009,30(3):1) 流量增加 7]Sun L,Ai LQ,Zhao J H,et al.Numerical simulation on molten steel flow and circulation flow rate in RH vacuum degassing 参考文献 process.Iron Steel Vanadium Titanium,2009,30(2):28 ]Zhang J.Theory and Practice of Secondary Refining.Beijing: (孙亮,艾立群,赵俊花,等.RH精炼过程钢液流动行为与循环 Metallurgical Industry Press,1993 流量数值模拟.钢铁钒钛,2009,30(2):28) (张鉴.炉外精炼的理论与实践.北京:治金工业出版社,1993) 8] Shu H F,Song C,Zhang X F,et al.Study on circulation flow 2]Qu T.Increment of refining efficiency for RH vacuum treatment. rate in water model of RH-MFB vacuum refining process.J Mater Iron Steel,1996,31(5):17 Metall,2004,3(2):107 (区铁提高RH真空处理的精炼效率.钢铁,1996,31(5): (舒宏宫,宋超,张晓峰,等.RH-MFB真空精炼过程中循环流 17) 量的物理模拟研究.材料与治金学报,2004,3(2):107) 3]Huang C H,Yu X B.Studies on homogenization of compositions ] Frank A,Wordgang P.Circulation rate of liquid steel in RH de- and temperature of liquid steel in RH refining.Steelmaking, gassers.Steel Res,1998,69(2):54 2005,21(2):22 [10]Qi F S,Wang C Y,Li B K.Experimental analysis of circulation (黄成红,于学斌.H精炼过程中钢液成分和温度均匀化的 flow rate in water model of RH vacuum degassing vessel.J Mater 研究.炼钢,2005,21(2):22) Metall,2002,1(4):271 4]Miki Y,Thomas B G,Denissov A,et al.Model of inclusion re- (齐风升,王承阳,李宝宽.H真空循环脱气装置水模型循流 moval during RH degassing of steel.Iron Steelmaker,1997,24 量的实验分析.材料与治金学报,2002,1(4):271)李怡宏等: 吹气孔堵塞对 RH 循环流量的影响 ( 2) 吹气孔对称堵塞时,堵塞 10 个吹气孔以内, 循环流量随吹气孔堵塞个数增加而减小. 吹气孔与环 流方向成 0°堵塞时循环流量最小,呈 90°堵塞时循环 流量最大,呈 45°堵塞时循环流量介于两者之间. ( 3) 吹气孔集中堵塞时,循环流量随堵塞个数的 增加呈现先减小再增加的趋势,在吹气孔堵塞 7 ~ 9 个 时,达到最小值,靠近上升管右侧的吹气孔堵塞对循环 流量的影响较大. 同时,随吹气孔堵塞个数的增加,气 泡泵的作用机制由环状机制向簇群状机制转变,循环 流量增加. 参 考 文 献 [1] Zhang J. Theory and Practice of Secondary Refining. Beijing: Metallurgical Industry Press,1993 ( 张鉴. 炉外精炼的理论与实践. 北京: 冶金工业出版社,1993) [2] Qu T. Increment of refining efficiency for RH vacuum treatment. Iron Steel,1996,31( 5) : 17 ( 区铁. 提高 RH 真空处理的精炼效率. 钢铁,1996,31 ( 5) : 17) [3] Huang C H,Yu X B. Studies on homogenization of compositions and temperature of liquid steel in RH refining. Steelmaking, 2005,21( 2) : 22 ( 黄成红,于学斌. RH 精炼过程中钢液成分和温度均匀化的 研究. 炼钢,2005,21( 2) : 22) [4] Miki Y,Thomas B G,Denissov A,et al. Model of inclusion re￾moval during RH degassing of steel. Iron Steelmaker,1997,24 ( 8) : 31 [5] Geng D Q,Lei H,He J C. Three-dimensional numerical simula￾tion of coalescence and removal of inclusions in RH degasser. J Iron Steel Res,2009,21( 12) : 10 ( 耿佃桥,雷洪,赫冀成. RH 装置内夹杂物聚合与去除的三维 数值模拟. 钢铁研究学报,2009,21( 12) : 10) [6] Ai X G,Bao Y P,Wu H J,et al. A study on water model for cir￾culation flow rate optimization in RH degassing refining. Spec Steel,2009,30( 3) : 1 ( 艾新港,包燕平,吴华杰,等. RH 精炼循环流量优化的水模型 研究. 特殊钢,2009,30( 3) : 1) [7] Sun L,Ai L Q,Zhao J H,et al. Numerical simulation on molten steel flow and circulation flow rate in RH vacuum degassing process. Iron Steel Vanadium Titanium,2009,30( 2) : 28 ( 孙亮,艾立群,赵俊花,等. RH 精炼过程钢液流动行为与循环 流量数值模拟. 钢铁钒钛,2009,30( 2) : 28) [8] Shu H F,Song C,Zhang X F,et al. Study on circulation flow rate in water model of RH--MFB vacuum refining process. J Mater Metall,2004,3( 2) : 107 ( 舒宏富,宋超,张晓峰,等. RH--MFB 真空精炼过程中循环流 量的物理模拟研究. 材料与冶金学报,2004,3( 2) : 107) [9] Frank A,Wordgang P. Circulation rate of liquid steel in RH de￾gassers. Steel Res,1998,69( 2) : 54 [10] Qi F S,Wang C Y,Li B K. Experimental analysis of circulation flow rate in water model of RH vacuum degassing vessel. J Mater Metall,2002,1( 4) : 271 ( 齐凤升,王承阳,李宝宽. RH 真空循环脱气装置水模型循流 量的实验分析. 材料与冶金学报,2002,1( 4) : 271) · 13 ·
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