Physical Modeling for Optimization of Process of Bottom Blowing Argon in a 100 t Ladle

田恩华; 李东侠; 崔衡; 闫永其; 吴华杰

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Physical Modeling for Optimization of Process of Bottom Blowing Argon in a 100 t Ladle

更新时间：2026-01-21

- Physical Modeling for Optimization of Process of Bottom Blowing Argon in a 100 t Ladle
- Special Steel Vol. 35, Issue 1, Pages: 11-14(2014)
- 作者机构：
  
  北京科技大学冶金工程研究院,北京,100083
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：19 July 2013，
  
  Online First：05 September 2022，
  
  Published：05 September 2014
- 稿件说明：
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田恩华, 李东侠, 崔衡, et al. Physical Modeling for Optimization of Process of Bottom Blowing Argon in a 100 t Ladle[J]. Special Steel, 2014, 35(1): 11-14.
DOI：

田恩华, 李东侠, 崔衡, et al. Physical Modeling for Optimization of Process of Bottom Blowing Argon in a 100 t Ladle[J]. Special Steel, 2014, 35(1): 11-14. DOI：

摘要

以钢厂100 t钢包为原型

根据相似原理建立1:4水模型

研究了双孔底吹位置(0.54~0.72R)、角度(45°~180°)和底吹流量(0.04~0.55 m~3/h)对混匀时间和钢-渣界面的影响

以确定最佳底吹工艺参数。结果表明

透气砖布置的最优位置为底吹孔距钢包底面中心0.63R

180°夹角;最大底吹气量在0.37 m

/h(原型18.0m

/h)

软吹气量必须小于0.12 m

/h(原型小于6.0 m

/h)

建议软吹气量≤0.04 m

/h(原型≤2.0 m

/h)。

Abstract

According to the prototype 100 t ladle in steel works and based on similarity theory

a 1：4 water model is established to study the effect of double nozzle bottom blowing position (0. 54 ~0. 72 R)

angle (45° ~ 180°) and bottom blowing rate (0. 04 〜0.55 m

/h) on mixing time and steel-slag interface and get optimum bottom blowing parameters. Results show that the optimum position of gas permeable brick is bottom nozzle distance from ladle bottom center 0. 63 R with angle 180° ； the maximum bottom blowing gas rate is 0. 37 m

/h (corresponding prototype 18. 0 m

/h)

the soft blowing rate should be less than 0. 12 m

/h (prototype less than 6. 0 m

/h) and the suggested soft blowing gas rate is no more than 0. 04 m

/h (prototype no more than 2. 0 m

/h).

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