钢铁钒钛2025，Vol.46Issue(5)：54-64,11.DOI:10.7513/j.issn.1004-7638.2025.05.006
立式行波磁场作用下板坯连铸过程金属液流动与渣金界面动力学行为模拟分析
Numerical simulation of the influence of vertical traveling wave magnet-ic field on the behavior of molten steel flow and steel slag interface fluctu-ation in a continuous casting slab mold
摘要
Abstract
With the trend of green and low carbon development,the contemporary metallurgical in-dustry pursues high-speed and high-efficiency continuous casting to promote sustainable development.In view of this,a vertical traveling wave magnetic field flow control technology is proposed to optimize and control the flow behavior of liquid metal during continuous casting and overcome the existing tech-nical limitations.The proposed flow control technology can provide theoretical basis and technical sup-port for the green and low-carbon transformation of continuous casting process.In the current research,a 1 450 mm × 230 mm continuous casting slab mold is taken as a research object.Firstly,a three-dimen-sional multi-physical field coupling mathematical model is established for describing the electromagnet-ic continuous casting process.Secondly,the behaviors of molten steel flow and the steel-slag interface within the slab continuous casting mold under conditions of free magnetic field,vertical traveling wave magnetic field,and single ruler horizontal direct current magnetic field are simulated and investigated.Finally,the effects of these two magnetic field forms on the flow control of molten steel in the mold are compared and evaluated.The results indicate that,in the absence of the magnetic field,the maximum height of the steel-slag interface is 22.3 mm.When applied the current via the single ruler horizontal electromagnetic brake is 1 350 A,the maximum height decreases to 18.6 mm.In comparison,when the vertical traveling wave magnetic field reducer applies a current of only 600 A,the maximum height of the steel-slag interface is significantly decreased to 13.9 mm.Based on the results,it can be concluded that the vertical traveling wave magnetic field reducer has more significant flow control advantages than the single ruler horizontal electromagnetic brake with lower energy consumption.The directional elec-tromagnetic force generated by the vertical traveling wave magnetic field can effectively suppress the flow of molten steel in the upper recirculation zone of the mold and stabilize the fluctuation of the steel-slag interface.关键词
结晶器/行波磁场/电磁制动/渣金界面Key words
mold/traveling wave magnetic field/electromagnetic braking/steel-slag interface分类
矿业与冶金引用本文复制引用
许琳,裴群武,高兢..立式行波磁场作用下板坯连铸过程金属液流动与渣金界面动力学行为模拟分析[J].钢铁钒钛,2025,46(5):54-64,11.基金项目
沈阳市科技人才专项资助项目(RC230046) （RC230046）
辽宁省科技厅面上项目(2025-MS-288). （2025-MS-288）
