Thermodynamic Study on Dephosphorization during Hot Metal Pretreatment with B2O3 to Replace CaF2 in Slag

刘丽霞; 王世俊; 董元篪

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Thermodynamic Study on Dephosphorization during Hot Metal Pretreatment with B2O3 to Replace CaF2 in Slag

更新时间：2026-01-21

- Thermodynamic Study on Dephosphorization during Hot Metal Pretreatment with B2O3 to Replace CaF2 in Slag
- Special Steel Vol. 32, Issue 1, Pages: 13-15(2011)
- 作者机构：
  
  1. 内蒙古科技大学材料与冶金学院,包头,014010
  2. 安徽工业大学冶金与资源学院,马鞍山,243002
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：30 August 2010，
  
  Online First：26 September 2022，
  
  Published：26 September 2011
- 稿件说明：
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刘丽霞, 王世俊, 董元篪. Thermodynamic Study on Dephosphorization during Hot Metal Pretreatment with B2O3 to Replace CaF2 in Slag[J]. Special Steel, 2011, 32(1): 13-15.
DOI：

刘丽霞, 王世俊, 董元篪. Thermodynamic Study on Dephosphorization during Hot Metal Pretreatment with B2O3 to Replace CaF2 in Slag[J]. Special Steel, 2011, 32(1): 13-15. DOI：

摘要

通过MoSi管式高温炉在1450℃下研究了用0～8%B

替代40%CaO-52%Fe

铁水预处理渣中0～8%CaF

的含量

对初始硅含量为0.61%

初始磷含量0.06%～0.09%的铁水脱磷效果。实验结果表明

替换CaF

后

预处理脱磷渣氧化性增加

铁水的脱磷率大于80%

渣的磷容量略有降低

从9.35×10

变化到7.48×10

可以满足预处理脱磷的要求。

Abstract

The dephosphorization effect of hot metal with initial 0. 61%Si and 0. 06% ~0.09%P by 0 ~8% B

to replace 0 ~8% CaF

in 40% CaO-52% Fe

metal pre-treating slag at 1 450℃ has been studied by MoSi tube high temperature furnace. Test results show that with B

to replace CaF2

the oxidizing ability of pre-treating phosphorescing slag increases

the efficiency of dephosphorization of metal is more than 80% by substituting slag and the phosphor capacity of slag decreases slightly from original 9. 35 x 10

to 7. 48 x 10

it is available to meet the requirement of pre-treating dephosphorization.

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