Effect of Embedding Arc Refining Slag on Heat up Rate of Molten Steel in a 60t Ladle Furnace

刘润藻; 战东平; 姜周华; 姜茂发

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Effect of Embedding Arc Refining Slag on Heat up Rate of Molten Steel in a 60t Ladle Furnace

更新时间：2026-01-21

- Effect of Embedding Arc Refining Slag on Heat up Rate of Molten Steel in a 60t Ladle Furnace
- Special Steel Vol. 26, Issue 1, Pages: 57-59(2005)
- 作者机构：
  
  东北大学材料与冶金学院,沈阳,110004
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：23 August 2004，
  
  Online First：24 May 2023，
  
  Published：24 May 2005
- 稿件说明：
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刘润藻, 战东平, 姜周华, et al. Effect of Embedding Arc Refining Slag on Heat up Rate of Molten Steel in a 60t Ladle Furnace[J]. Special Steel, 2005, 26(1): 57-59.
DOI：

刘润藻, 战东平, 姜周华, et al. Effect of Embedding Arc Refining Slag on Heat up Rate of Molten Steel in a 60t Ladle Furnace[J]. Special Steel, 2005, 26(1): 57-59. DOI：

摘要

在 5 5～ 75kg实验钢包炉精炼渣系的研究基础上

采用组成 (% )为 :63.6～ 70.0石灰

22.7～ 25.0高铝矾土

5.0～13.6萤石 (S1渣) ;60.0～ 66.7石灰

20.8～ 25.0萤石

12.5～ 15.0火砖块(S2渣 ) ;55.5～ 65.0石灰

35.0～ 44.5萤石 (S3渣)3种渣系进行 60tLF精炼渣埋弧工业试验

所精炼的钢种为 20

20G

40Cr

35CrMoA和GCr15。结果表明

用3种渣系钢水平均脱硫率均为 87%

LF在采用S1、S2、S3渣系精炼时钢水平均升温速度分别为 3.84℃ min、2.86℃ min和 2.48℃ min。S1渣的脱硫速度快

从而缩短了精炼时间。

Abstract

Based on research of refining slag series by 55~75kg experimental ladle furnace (LF)

the commercial production experiment of embedding are refining slag in a 60t ladle furnace has been carried out using three kind of slag:S1 slag-63.6~70.0 lime

22.7～25.0 high alumina and 5.0~13.6 fluorite; S2 slag-60.0~66.7 lime

20.8～25.0 fluorite and 12.5～15.0 refractory block; and S3 slag-55.5～65.0 lime and 35.0～44.5 fluorite

and the refining steel grades were 20

20G

40Cr

35CrMoA and CCr15 steel. The results showed that all average desulphurization rate of molten steel using the three-slag series was 87%

and the average heat up rate of molten steel during LF refining was 3.84 ℃/min

2.86 ℃/min and 2.48 ℃/min respectively by using S1

S2 and S3 slag series. As desulphurization speed was quick by using S1 slag therefore the refining time decreased.

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