Mathematical Model of Electrode Immersing Depth in 2.3t Electro-Slag Ingot Remelting Process and Application

曲明磊; 成国光; 李世健; 陈列; 严清忠; 梁明

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Mathematical Model of Electrode Immersing Depth in 2.3t Electro-Slag Ingot Remelting Process and Application

更新时间：2026-01-21

- Mathematical Model of Electrode Immersing Depth in 2.3t Electro-Slag Ingot Remelting Process and Application
- Special Steel Vol. 38, Issue 3, Pages: 5-8(2017)
- 作者机构：
  
  1. 北京科技大学钢铁冶金新技术国家重点实验室,北京,100083
  2. 西宁特殊钢股份有限公司,西宁,810005
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：19 July 2022，
  
  Published：19 July 2017
- 稿件说明：
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曲明磊, 成国光, 李世健, et al. Mathematical Model of Electrode Immersing Depth in 2.3t Electro-Slag Ingot Remelting Process and Application[J]. Special Steel, 2017, 38(3): 5-8.
DOI：

曲明磊, 成国光, 李世健, et al. Mathematical Model of Electrode Immersing Depth in 2.3t Electro-Slag Ingot Remelting Process and Application[J]. Special Steel, 2017, 38(3): 5-8. DOI：

摘要

利用Fluent软件中的MHD模块模拟得到电渣重熔稳态冶炼条件下不同电极插入深度的渣池电阻值

通过将渣池电阻值与电力制度相联系

建立了电极插入深度的数学模型。在特钢厂2.3t电渣锭重熔稳态冶炼条件下

电极插入深度模型计算值为14.4mm

现场测量值为14mm

相对误差很小

在轴承钢G20CrNi2Mo现有的电力制度(58V

9000A)情况下

维持正常冶炼的最小渣量为24.3kg/t

2.3t电渣锭重熔的合理工艺为电压58V

电流9000A

渣量30kg/t

电极插入深度14.4mm。

Abstract

The value of slag resistance in ESR stable melting condition with different electrode immersing depth is obtained by simulation using MHD ( magneto-hydrodynamics) module of Software Fluent

and the mathematical model of electrode immersing depth is established by relating slag resistance with electric power scheme. In condition of ESR stable smelting of 2.3t ingot at special steelwork

the model calculated value of electrode immersing depth is 14.4mm

as compared with situ measured value 14mm

the relative error is small. With the present electric power scheme- 58V and 9000A for bearing steel G20CrNi2Mo

the minimum slag amount for maintaining normal remelting is 24.3kg/t; the reasonable process for 2.3t ESR ingot is voltage 58V

current 9000A

slag amount 30kg/t and electrode immersing depth 14.4mm.

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