Vol.31 Suppl.1 吴巍等:A36和45A钢LF精炼过程效果分析 ,15. 6结论 (3)精炼对钢中夹杂物去除率平均为70.27%, 最高为85.62% (1)LF精炼生产A36和45A钢,当(Fe0+ Mn0)含量(质量分数)小于1%时,钢水活度氧小于 参考文献 5×10-6.精炼后钢水[S]含量(质量分数)分别达到 [1]Wu W,Liu L.Study on smelt high phosphorus content hot emet- 0.012%和0.010%,脱硫率分别为61.3%和 al by combined blowing converter.Steelmaking.2008.24(3): 30 64.3%. (吴巍,刘浏.高磷铁水冶炼试验研究.炼钢,2008,24(3): (2)比较进站时和精炼后A36及45A钢中各 30) 成分的含量可知,[P]含量(质量分数)都增加了 [2]Zhai J,Wu W,Wu W,et al.Study on inclusions of 45A caster. 0.002%,[H]含量分别增加了0.36×10-6和1.26× IR0 N STEEL,2009,44(10):98 10-6,[N]含量分别下降2×10-和增加7×10-6. (翟俊,吴巍,吴伟,等.45A钢方坯夹杂物行为研究.钢铁, 2009,44(10):98) (上接第11页) ing,2005,21(6):33 [3]Han ZZ.Wang J.Lan X P.Fluid Engineering Simulation Ex- (幸伟,沈巧珍,王晓红,等。钢包底吹氩过程数学物理模拟研 amples and the Application of Computer.Beijing:Beijing Insti- 究.炼钢,2005,21(6):33) tute of Technology Press,2004 [6]Ren S B,Chen Y S.Huang ZZ.et al.The discussion of opti- (韩占忠,王敏,兰小平,FLUENT:流体工程仿真计算机实例 mized location of two holes in large ladle furnace during argon 与应用.北京:北京理工大学出版社,2004) hlowing JBuotou Unie Iron Steel Technol,2003.22(3):193 [4]Li B X.Gao W F,Yan Z G.et al.Experimental study on argon (任三兵,陈义省,黄宗泽,等.大型钢包双孔吹氩最佳位置的 blowing from bottom of ladle by water model.Steelmaking. 探讨.包头钢铁学院学报,2003,22(3):193) 2001,17(4):44 [7]Pan Y F.Yang X.Wang W H.ct al.Feature of 3-D flow field in (李碧霞,高文芳,颜正国,等。大包底吹氩水模试验研究,炼 ladle with eccentric bottom blown argon.Steelmaking.2006.22 钢,2001,17(4):44) (2):46 [5]Xing W,Shen QZ.Wang X H,et al.Water model and numeri- (潘贻芳,杨肖,王文辉,等.偏心底吹氩钢包三维流场的特性 cal simulation on argon blowing from bottom of ladle.Steelmak- 炼钢,2006,22(2):46)6 结论 (1) LF 精炼生产 A36和45A 钢当(FeO + MnO)含量(质量分数)小于1%时钢水活度氧小于 5×10—6.精炼后钢水[S ]含量(质量分数)分别达到 0∙012% 和 0∙010%脱 硫 率 分 别 为 61∙3% 和 64∙3%. (2) 比较进站时和精炼后 A36及45A 钢中各 成分的含量可知[P ] 含量(质量分数)都增加了 0∙002%[H]含量分别增加了0∙36×10—6和1∙26× 10—6[N]含量分别下降2×10—6和增加7×10—6. (3) 精炼对钢中夹杂物去除率平均为70∙27% 最高为85∙62%. 参 考 文 献 [1] Wu WLiu L.Study on smelt high phosphorus content hot emetal by combined blowing converter.Steelmaking200824(3): 30 (吴巍刘浏.高磷铁水冶炼试验研究.炼钢200824(3): 30) [2] Zhai JWu WWu Wet al.Study on inclusions of 45A caster. IRON STEEL200944(10):98 (翟俊吴巍吴伟等.45A 钢方坯夹杂物行为研究.钢铁 200944(10):98) (上接第11页) [3] Han Z ZWang JLan X P.Fluid Engineering Simulation Examples and the Application of Computer.Beijing:Beijing Institute of Technology Press2004 (韩占忠王敬兰小平.FLUENT:流体工程仿真计算机实例 与应用.北京:北京理工大学出版社2004) [4] Li B XGao W FYan Z Get al.Experimental study on argon blowing from bottom of ladle by water model. Steelmaking 200117(4):44 (李碧霞高文芳颜正国等.大包底吹氩水模试验研究.炼 钢200117(4):44) [5] Xing WShen Q ZWang X Het al.Water model and numerical simulation on argon blowing from bottom of ladle.Steelmaking200521(6):33 (幸伟沈巧珍王晓红等.钢包底吹氩过程数学物理模拟研 究.炼钢200521(6):33) [6] Ren S BChen Y SHuang Z Zet al.The discussion of optimized location of two holes in large ladle furnace during argon blowing.J Buotou Univ Iron Steel Technol200322(3):193 (任三兵陈义省黄宗泽等.大型钢包双孔吹氩最佳位置的 探讨.包头钢铁学院学报200322(3):193) [7] Pan Y FYang XWang W Het al.Feature of3-D flow field in ladle with eccentric bottom blown argon.Steelmaking200622 (2):46 (潘贻芳杨肖王文辉等.偏心底吹氩钢包三维流场的特性. 炼钢200622(2):46) Vol.31Suppl.1 吴 巍等: A36和45A 钢 LF 精炼过程效果分析 ·15·