【作者】 张美杰； 黄奥； 汪厚植； 顾华志； 刘定群；

【Author】 Zhang Meijie Huang Ao Wang Houzhi Gu Huazhi Liu Dingqun(Wuhan University of Science and Technology,The Hubei Province Key Laboratory of Refractories and Ceramics, Wuhan 430081)

【机构】 武汉科技大学湖北省耐火材料与高温陶瓷重点实验室；

【摘要】 根据某厂实际中间包的操作工艺参数,采用欧拉两流体模型和拉格朗日随机轨道模型,用数值模拟方法,研究了底部吹气技术对中间包钢液流场、夹杂物运动轨迹及夹杂物去除率的影响。研究表明,中间包底部吹气过程可以有效改善钢液的流动状态,消除短路流,增强“气幕墙”区域钢液的混合,并有效促进了夹杂物在中间包内上浮去除。更多还原

【Abstract】 According to the practical structure and the operating parameters of tundish, Eulerian-multiphase model and porous media model are applied, the steel flow fields, the trajectories and total removal rate of inclusions in the tundish with turbulence inhibitor and gas blowing at the bottom were mathematical simulated. It was found that gas blowing at the bottom effectively eliminated the short flow, strengthened the mixed flow of gas curtain regions and increased the total inclusion removal rate.更多还原