Process Practice on Control of Nitrogen Content in High Carbon Steel SWRH82B Produced by 130 t BOF-LF-150 mm x 150 mm CC Billet Flow Sheet

邢梅峦; 包燕平; 林路

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Process Practice on Control of Nitrogen Content in High Carbon Steel SWRH82B Produced by 130 t BOF-LF-150 mm x 150 mm CC Billet Flow Sheet

更新时间：2026-01-21

- Process Practice on Control of Nitrogen Content in High Carbon Steel SWRH82B Produced by 130 t BOF-LF-150 mm x 150 mm CC Billet Flow Sheet
- Special Steel Vol. 36, Issue 2, Pages: 25-27(2015)
- 作者机构：
  
  1. 北京科技大学冶金与生态工程学院,北京,100083
  2. 澳森钢铁有限公司，辛集,052360
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：13 October 2014，
  
  Online First：23 August 2022，
  
  Published：23 August 2015
- 稿件说明：
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邢梅峦, 包燕平, 林路. Process Practice on Control of Nitrogen Content in High Carbon Steel SWRH82B Produced by 130 t BOF-LF-150 mm x 150 mm CC Billet Flow Sheet[J]. Special Steel, 2015, 36(2): 25-27.
DOI：

邢梅峦, 包燕平, 林路. Process Practice on Control of Nitrogen Content in High Carbon Steel SWRH82B Produced by 130 t BOF-LF-150 mm x 150 mm CC Billet Flow Sheet[J]. Special Steel, 2015, 36(2): 25-27. DOI：

摘要

0.79%~0.86% C SWRH82B高碳钢的生产流程为130 t顶底复吹转炉-LF-8流150 mm×150 mm坯连铸工艺。通过转炉吹炼时采用较高泡沫渣高度

终点枪位较其他钢种高100~150 mm

转炉全程底吹氩0.02~0.05 m

/（t·min）

圆流出钢

LF精炼时快速成渣

合适的吹氩量20~30 m

连铸全程保护等工艺措施

有效控制钢中氮含量

205炉氮含量分析表明

钢中氮含量为13.7×10

-6

~37.4×10

-6

平均氮含量为23.3×10

-6

Abstract

0.79%-0.86% C high carbon steel SWRH82B is produced by 130 t top and bottom combined blown converter-LF-8-strand 150 mm x 150 mm billet concasting process. With the measures including using higher foaming slag height in converter blowing process

lance level higher than other steel grades by 100-150 mm

bottom argon blowing rate 0.02-0.05 m

/(t • min) in whole converter melting process and round flow tapping

in LF refining rapid slagging and using suitable argon blowing rate 20-30 m

and whole process shielding casting

the nitrogen content in steel is availably controlled. The analysis of nitrogen in steel of 205 heats show that the nitrogen content in steel is 13.7 X 10

-6

-37.4 x 10

-6

and the average nitrogen content in steel is 23.3 x 10

-6

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