基于数值模拟的半钢钢包供氧脱磷研究  

Research on new technology of dephosphorization in semi-steel ladle based on numerical simulation

作　　者：胡绍岩 朱荣[1] 刘福海[1] 白瑞国[2] 高海 张兴利[2] 

机构地区：[1]北京科技大学冶金与生态工程学院,北京100083 [2]河北钢铁集团承德钢铁集团有限公司,河北承德067002

出　　处：《炼钢》2014年第4期29-32,56,共5页Steelmaking

摘　　要：以河北钢铁集团承德分公司炼钢厂半钢脱磷处理工艺为研究对象,对半钢钢包进行设备改造,增设专用脱磷氧枪实现钢包内高效脱磷。利用Fluent流体力学软件对氧枪射流进行仿真模拟,通过对氧气射流的研究来优化供氧制度,提高脱磷效率。工业试验数据表明,专用脱磷氧枪具有良好的化渣和搅拌效果,新工艺具有良好的脱磷效果,平均脱磷率达到51.8%。此外,在试验温度范围内,随着半钢出钢温度的增加,脱磷率呈现上升的趋势;脱碳量与脱磷量平均比例为3.17∶1。This paper aims at upgrading ladle equipment to achieve efficient dephosphorization in ladle with adding specialized dephosphorization oxygen lance, combined with the semi-steel dephosphorization process in Chengde Iron and Steel Company, the characteristics of oxygen jet was simulated by commercial Fluent software to optimize the design of specialized dephosphorization oxygen lance. The industrial experiments showed that the new oxygen lance performed better slagging and stirring effects, and the new process had a well dephosphorization rate which could reach 51.8%. At the same time, the dephosphorization rate showed an upward tendency with the temperature of semi-steel rising in the range of experimenting temperature. And the ratio of decarburization quantity and dephosphorization quantity was 3. 17：1.

关 键 词：钢包 脱磷 氧枪 数值模拟 射流 

分 类 号：TF704.4[冶金工程—钢铁冶金]