Math Simulation and Process Optimization on Bottom-Blowing System of 120 t top and Bottom Combined Blown Converter

崔荣峰; 陈林权

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Math Simulation and Process Optimization on Bottom-Blowing System of 120 t top and Bottom Combined Blown Converter

更新时间：2026-01-21

- Math Simulation and Process Optimization on Bottom-Blowing System of 120 t top and Bottom Combined Blown Converter
- Special Steel Vol. 31, Issue 3, Pages: 3-5(2010)
- 作者机构：
  
  中冶华天工程技术有限公司,马鞍山,243005
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：14 November 2009，
  
  Online First：06 November 2022，
  
  Published：06 November 2010
- 稿件说明：
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崔荣峰, 陈林权. Math Simulation and Process Optimization on Bottom-Blowing System of 120 t top and Bottom Combined Blown Converter[J]. Special Steel, 2010, 31(3): 3-5.
DOI：

崔荣峰, 陈林权. Math Simulation and Process Optimization on Bottom-Blowing System of 120 t top and Bottom Combined Blown Converter[J]. Special Steel, 2010, 31(3): 3-5. DOI：

摘要

根据120 t转炉建立三维数学模型

并进行Euler两相流计算

找出底吹透气元件合理的偏心位置

由原8个透气元件均布方式

偏心位置为0.56R(转炉熔池半径)、夹角为45°

优化为6个透气元件

偏心位置0.53R2个、0.65R2个、0.46R2个

两组组合透气砖中心夹角180°

内部夹角30°。生产实践表明

优化后有效地减少底吹气体消耗

提高熔池搅拌功能

碳氧浓度积由优化前的0.002 674降低到0.002 513。

Abstract

Based on a 120 t converter

the 3-dimensional mathematical model has been established and the calculation of Euler two phases is carried out to get reasonable eccentric position of gas permeable elements for bottom blowing. O- riginal even distribution mode of 8 permeable elements with eccentric position 0. 56 R ( radius of converter bath) at an angle of 45 ° is optimized and modified to 6 permeable elements of which 2 elements with eccentric position 0. 53 R

2 elements with 0. 65 R and 2 elements with 0. 46 R

center angle of two group combined gas permeable brick being 180° and inner angle 30°. Production practice shows that after optimization it is available to decrease consumption of bottom blowing gas

increase bath stirring energy and decrease carbon-oxygen concentration product to 0. 002 513 from original 0. 002 674.

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