正在加载图片...
第5期 赵新宇等:带过滤器中间包钢水内夹杂物行为的非稳态模拟 ·543· [3]Zhang J M,Deng F Q,Wang W K,et al.Numerical simulation of 120 dimensionless inclusion concentration in T-shape tundishes.J Univ 100 4 Sci Technol Beijing,2004,26(6):247 80 (张炯明,邓凤琴,王文科,等.连铸中间包钢水夹杂物浓度的 数值模拟.北京科技大学学报,2004,26(6):247) 名 ④] Zhang L F,Wang Y,Zhou D G,et al.Numerical simulation of % fluid flow and inclusion movement in a continuous casting tundish. 。模拟数据S0-100m 。实验数据100-150m 20 ,实验数据50-100um 一模拟数据>150m Iron Steel,2004,39(Suppl)515 模拟数据100-1S0m +实验数据>150Hm (张立峰,王勇,周德光,等.连铸中间包钢水流动及夹杂物运 200 400 600 800 1000 动的数值模拟.钢铁,2004,39(增刊):515) 时间: [5] Zhang S J,Zheng S G,Zhu M Y.Water model study on the 图5浇注过程夹杂物去除率模拟值与实测值的对比图 mechanism of inclusion removal in a continuous casting tundish. Fig.5 Comparisons between simulated and measured inclusion-e- Unie Sci Technol Beijing,2007.29(8):781 moval rates in continuous casting (张胜军,郑淑国,朱苗勇.连铸中间包内夹杂物去除行为的 水模型研究.北京科技大学学报,2007,29(8):781) 明显,甚至在出口处出现增加,这是由于浇注过程 ⑨ Jha P K,Rao PS,Dewan A.Effect of height and position of dams 中,夹杂物聚集在出口上方,且不能完全被覆盖剂吸 on inclusion removal in a six strand tundish.IS//Int,2008,48 附,在钢液湍流作用下,部分夹杂物被再次带入,造 (2):154 Ali S,Mutharasan R,Apelian D.Physical refining of steel melts 成小粒径夹杂物在出口处的突然增大 by filtration.Metall Mater Trans B,1985,16(4):725 (3)在钢液湍流作用下,对于粒径小于80μm [8]Cummings M A,MePherson S C.Application of ceramic foam fil- 的夹杂物,其去除率在浇注过程中依然有较大波动. ters in continuous casting.Electr Furn Conf Proc,1988,46:445 对于粒径大于100um的夹杂物,去除率趋于稳定 9]Lu Y Q,Zhang C M,Dai Y D,et al.Study on the result of inclu- 后,其值不再发生剧烈变化 sion's filtration with Ca0 ceramic filters in tundish.Energy Metall (4)模拟结果与实验数据吻合较好,模型有一 1nd,2003,22(6):9 (卢艳青,张崇民,戴云朵,等.中间包C0质陶瓷过滤器滤除 定的准确性. 夹杂效果的研究.治金能源,2003,22(6):9) 1o] Wang SL Research Methods of Simulation Experiment on Ferrous 参考文献 Metallurgy.Shenyang:Northeastem University of Technology [Wang JJ.Metallurgy in Tundish.Beijing:Metallurgy Industry Pres5,1991 Press,1996 (王舒黎.钢铁治金模拟实验研究方法.沈阳:东北工学院 (王建军.中间包治金学.北京:治金工业出版社,1996) 出版社,1991) 2] Zhang C J,Zhao T C,Ai L Q,et al.Mathematical simulation of [11]Zhao X Y,Zhang J M,Wu S Z.Influence of filter in structure T steel flow and trajectory of inclusions in FTSC tundish.J Unie Sci tundish on inclusion-temoval//2009 Special Steel Annual Confer- Technol Beijing,2006,28(11):1014 ence.Qingdao,2009:311 (张彩军,赵铁成,艾立群,等.FTSC薄板坯连铸中间包内流场 (赵新宇,张炯明,吴苏州.T型中间包过滤器对夹杂物去除 及夹杂物运动轨迹的数值模拟.北京科技大学学报,2006,28 的影响112009特钢年会论文集.青岛,2009:311) (11):1014)第 5 期 赵新宇等: 带过滤器中间包钢水内夹杂物行为的非稳态模拟 图 5 浇注过程夹杂物去除率模拟值与实测值的对比图 Fig. 5 Comparisons between simulated and measured inclusion-re￾moval rates in continuous casting 明显,甚至在出口处出现增加,这是由于浇注过程 中,夹杂物聚集在出口上方,且不能完全被覆盖剂吸 附,在钢液湍流作用下,部分夹杂物被再次带入,造 成小粒径夹杂物在出口处的突然增大. ( 3) 在钢液湍流作用下,对于粒径小于 80 μm 的夹杂物,其去除率在浇注过程中依然有较大波动. 对于粒径大于 100 μm 的夹杂物,去除率趋于稳定 后,其值不再发生剧烈变化. ( 4) 模拟结果与实验数据吻合较好,模型有一 定的准确性. 参 考 文 献 [1] Wang J J. Metallurgy in Tundish. Beijing: Metallurgy Industry Press,1996 ( 王建军. 中间包冶金学. 北京: 冶金工业出版社,1996) [2] Zhang C J,Zhao T C,Ai L Q,et al. Mathematical simulation of steel flow and trajectory of inclusions in FTSC tundish. J Univ Sci Technol Beijing,2006,28( 11) : 1014 ( 张彩军,赵铁成,艾立群,等. FTSC 薄板坯连铸中间包内流场 及夹杂物运动轨迹的数值模拟. 北京科技大学学报,2006,28 ( 11) : 1014) [3] Zhang J M,Deng F Q,Wang W K,et al. Numerical simulation of dimensionless inclusion concentration in T-shape tundishes. J Univ Sci Technol Beijing,2004,26( 6) : 247 ( 张炯明,邓凤琴,王文科,等. 连铸中间包钢水夹杂物浓度的 数值模拟. 北京科技大学学报,2004,26( 6) : 247) [4] Zhang L F,Wang Y,Zhou D G,et al. Numerical simulation of fluid flow and inclusion movement in a continuous casting tundish. Iron Steel,2004,39( Suppl) : 515 ( 张立峰,王勇,周德光,等. 连铸中间包钢水流动及夹杂物运 动的数值模拟. 钢铁,2004,39( 增刊) : 515) [5] Zhang S J,Zheng S G,Zhu M Y. Water model study on the mechanism of inclusion removal in a continuous casting tundish. J Univ Sci Technol Beijing,2007,29( 8) : 781 ( 张胜军,郑淑国,朱苗勇. 连铸中间包内夹杂物去除行为的 水模型研究. 北京科技大学学报,2007,29( 8) : 781) [6] Jha P K,Rao P S,Dewan A. Effect of height and position of dams on inclusion removal in a six strand tundish. ISIJ Int,2008,48 ( 2) : 154 [7] Ali S,Mutharasan R,Apelian D. Physical refining of steel melts by filtration. Metall Mater Trans B,1985,16( 4) : 725 [8] Cummings M A,McPherson S C. Application of ceramic foam fil￾ters in continuous casting. Electr Furn Conf Proc,1988,46: 445 [9] Lu Y Q,Zhang C M,Dai Y D,et al. Study on the result of inclu￾sion’s filtration with CaO ceramic filters in tundish. Energy Metall Ind,2003,22( 6) : 9 ( 卢艳青,张崇民,戴云朵,等. 中间包 CaO 质陶瓷过滤器滤除 夹杂效果的研究. 冶金能源,2003,22( 6) : 9) [10] Wang S L. Research Methods of Simulation Experiment on Ferrous Metallurgy. Shenyang: Northeastern University of Technology Press,1991 ( 王舒黎. 钢铁冶金模拟实验研究方法. 沈阳: 东北工学院 出版社,1991) [11] Zhao X Y,Zhang J M,Wu S Z. Influence of filter in structure T tundish on inclusion-removal / /2009 Special Steel Annual Confer￾ence. Qingdao,2009: 311 ( 赵新宇,张炯明,吴苏州. T 型中间包过滤器对夹杂物去除 的影响/ /2009 特钢年会论文集. 青岛,2009: 311) ·543·
<<向上翻页
©2008-现在 cucdc.com 高等教育资讯网 版权所有