Influence of Metal Temperature, Slag Basicity and Initial Si Content on Demanganization of Carbon-Saturated Hot Metal

李闯; 郭汉杰; 成国光

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Influence of Metal Temperature, Slag Basicity and Initial Si Content on Demanganization of Carbon-Saturated Hot Metal

更新时间：2026-01-21

- Influence of Metal Temperature, Slag Basicity and Initial Si Content on Demanganization of Carbon-Saturated Hot Metal
- Special Steel Vol. 30, Issue 5, Pages: 4-6(2009)
- 作者机构：
  
  北京科技大学冶金与生态工程学院,北京,100083
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：17 March 2009，
  
  Online First：22 November 2022，
  
  Published：22 November 2009
- 稿件说明：
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李闯, 郭汉杰, 成国光. Influence of Metal Temperature, Slag Basicity and Initial Si Content on Demanganization of Carbon-Saturated Hot Metal[J]. Special Steel, 2009, 30(5): 4-6.
DOI：

李闯, 郭汉杰, 成国光. Influence of Metal Temperature, Slag Basicity and Initial Si Content on Demanganization of Carbon-Saturated Hot Metal[J]. Special Steel, 2009, 30(5): 4-6. DOI：

摘要

通过1 kg钼丝炉和10 kg感应炉铁水脱锰的实验研究表明

高[Si

]

i(≥0.22%)、低炉渣碱度(R≤0.65)、低温有利于铁水脱锰。当铁水温度T=1280℃、R=0.44、(FeO)=11.36%、(MnO)=6.62%时

锰在渣铁间的分配率L

=275.83

脱锰率η

=92.94%

终点[Mn

]

=0.024%

满足了高纯生铁对锰的指标要求。

Abstract

Test and study on demanganization of hot metal by using 1 kg molybdenum-wound furnace and 10 kg induction furnace show that high [Si

]

( ≥0.22% )

low slag basicity (R≤0.65) and lower temperature are available to demanganization of hot metal ； as hot metal temperature T = 1280 °C

slag basicity R=0.44

(FeO)=11.36% and ( MnO)= 6.62%

the manganese distribution ratio between slag and metal L

= 275.83

the demanganization rate η

=92.94% and end [Mn

]

=0.024% to meet the requirement of Mn content in high-pure pig iron.

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