Influence of B₂O₃ on Melting Characteristics of CaO-Al₂O₃-SiO₂-MgO-CaF₂ Pentary Slag Series

于学斌; 时启龙; 翟荣灿; 朱志强; 程亮; 栾启川

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Influence of B₂O₃ on Melting Characteristics of CaO-Al₂O₃-SiO₂-MgO-CaF₂ Pentary Slag Series

更新时间：2026-01-21

- Influence of B₂O₃ on Melting Characteristics of CaO-Al₂O₃-SiO₂-MgO-CaF₂ Pentary Slag Series
- Special Steel Vol. 27, Issue 4, Pages: 5-7(2006)
- 作者机构：
  
  1. 武汉科技大学钢铁冶金及资源利用省部共建教育部重点实验室,武汉,430081
  2. 洛阳科丰冶金新材料有限公司,洛阳,471300
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：12 February 2006，
  
  Online First：17 March 2023，
  
  Published：17 March 2006
- 稿件说明：
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于学斌, 时启龙, 翟荣灿, et al. Influence of B₂O₃ on Melting Characteristics of CaO-Al₂O₃-SiO₂-MgO-CaF₂ Pentary Slag Series[J]. Special Steel, 2006, 27(4): 5-7.
DOI：

于学斌, 时启龙, 翟荣灿, et al. Influence of B₂O₃ on Melting Characteristics of CaO-Al₂O₃-SiO₂-MgO-CaF₂ Pentary Slag Series[J]. Special Steel, 2006, 27(4): 5-7. DOI：

摘要

通过半球点法研究了B

对40.5％-70．0％CaO-19％-45％Al

-SiO2-MgO-CaF

五元渣系熔化温度和完全熔化时间的影响。实验结果表明

当渣中CaO含量为40．5％～60％

CaF

2％-10％

％)/ (CaF

％)为0.17～0.33时

渣系的熔化温度较不加B

的五元渣平均降低30℃

完全熔化时间平均降低49 s。合适的多元脱硫精炼渣系的成分为60％CaO

19％-30％Al

≤10％(MgO+SiO

)

2％～6％CaF

)／(CaF

)=0．17。

Abstract

The effect of B₂O₃ on melting temperature and complete melting time of 40.5%～70.0%CaO- 19%~ 45%Al₂O₃-SiO₂-MgO- CaF₂ pentary slag series by semi- sphere point method has been studied. The test results showed that the average melting temperature of pentary slag with 40.5%~60%CaO

2%～10%CaE₂and(B₂O₃)/(CaF₂) 0. 17~0.33 was 30 ℃ less than that of pentary slag series without adding B₂O3 and the average complete melting time decreased by 49 s as compared with that without adding B₂O₃.The available multicomponent desulphurization refining slag ingredient is 60%CaO

19%～30%Al₂O₃

≤10%(MgO+SiO₂)

2%~6%CaF₂and(B₂O₃)/(CaF₂)=0.17.

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