采用数值模拟方法研究了不同形式长水口下异型四流中间包的钢液流场和停留时间分布特征.数值结果表明:原型中间包存在较大的死区,各流流动情况存在着巨大的差异,而把直通型长水口替换成单侧孔型长水口之后,中间包死区比例减少,各流流动差异性基本上被消除.在挡墙的左侧产生了旋转流场,有利于夹杂物的碰撞聚合和去除.
参考文献
| [1] | Palafox J;Barreto J .Melt flow optimization using turbulence inhibitor in large volume tumdishs[J].Ironmaking and Steelmaking,2001,28(02):101-109. |
| [2] | 黄奥,陶晓林,顾华志,张美杰,汪厚植,胡铁山.气幕挡墙中间包数理模拟及实践[J].炼钢,2009(03):42-44,63. |
| [3] | 杨树峰,李京社,张立峰,高锦国,唐海燕,石少清.大管坯连铸中间包钢液内夹杂物去除的研究[J].炼钢,2009(03):49-52. |
| [4] | 雷洪;赫冀成 .一种用于连铸中间包的钢包侧孔旋流长水口[P].中国,200820219776.2,2009-09-30. |
| [5] | 王福军.计算流体动力学分析[M].北京:清华大学出版社,2004 |
| [6] | A. Tripathi;S. K. Ajmani .Numerical investigation of fluid flow phenomenon in a curved shape tundish of billet caster[J].ISIJ International,2005(11):1616-1625. |
| [7] | Chandrashekhar DAMLE;Yogeshwar SAHAI .The effect of tracer density on melt flow characterization in continuous casting tundishes - A modeling study[J].ISIJ International,1995(2):163-169. |
| [8] | YehJ L;Hwang W S;Chou C L .The development of a mathematical model to predict composition distribution in casting slab and intermix slab length during ladle change over period and its verification by physical model[J].ISIJ International,1993,33(05):588-594. |
| [9] | Yogeshwar SAHAI;Toshihiko EMI .Melt Flow Characterization in Continuous Casting Tundishes[J].ISIJ International,1996(6):667-672. |
| [10] | 樊俊飞,张清朗,朱苗勇,雷洪,王文忠.六流T形连铸中间包内控流装置优化的水模研究[J].钢铁,1998(05):0. |
| [11] | 王赟,钟云波,任忠鸣,王保军,雷作胜,张小伟.离心中间包内钢液流动的数值模拟[J].金属学报,2008(10):1203-1208. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%