Numerical Simulation for Electromagnetic Stirring of Mold for 360 mm x 450 mm Bloom Concasting

陈永; 朱苗勇; 任兵芝

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Numerical Simulation for Electromagnetic Stirring of Mold for 360 mm x 450 mm Bloom Concasting

更新时间：2026-01-21

- Numerical Simulation for Electromagnetic Stirring of Mold for 360 mm x 450 mm Bloom Concasting
- Special Steel Vol. 29, Issue 5, Pages: 4-6(2008)
- 作者机构：
  
  1. 东北大学材料与冶金学院,沈阳,110004
  2. 攀枝花钢铁研究院材料所,攀枝花,617000
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：05 March 2008，
  
  Online First：27 December 2022，
  
  Published：27 December 2008
- 稿件说明：
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陈永, 朱苗勇, 任兵芝. Numerical Simulation for Electromagnetic Stirring of Mold for 360 mm x 450 mm Bloom Concasting[J]. Special Steel, 2008, 29(5): 4-6.
DOI：

陈永, 朱苗勇, 任兵芝. Numerical Simulation for Electromagnetic Stirring of Mold for 360 mm x 450 mm Bloom Concasting[J]. Special Steel, 2008, 29(5): 4-6. DOI：

摘要

根据麦克斯韦电磁理论

建立了360 mm×450 mm方坯连铸结晶器电磁旋转搅拌的数学模型

分析了结晶器内电磁场、电磁力的分布特征以及电流(300～700 A)、搅拌频率(2.0～3.0 Hz)对电磁场和电磁力的影响。结果表明

旋转磁场在结晶器搅拌区域内产生电磁力

使钢液在水平方向形成旋转流动;磁感应强度与搅拌电流成线性关系

在低频率搅拌条件下频率对电磁搅拌强度的影响较小。

Abstract

According to Maxwell electromagnetic field theory a mathematical model for simulating the mold electromagnetic rotary stirring for 360 mm x 450 mm bloom concasting has been established to analyze the distribution characteristics of magnetic flux density and electromagnetic stirring force

and the effect of current strength (300-700 A) and stirring frequency (2.0-3.0 Hz) on flux density and stirring force. Results show that the rotary magnetic field can generate the electromagnetic force in mold to make molten steel whirling at horizontal section ； the relation between magnetic flux intensity of induction and stirring current is linearity

and with lower stirring frequency the effect of frequency on electromagnetic stirring intensity is slight.

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