Production Practice of Avoiding Raw and Supplement Materials on Increase Carbon in MA Ultra-Low Carbon Steel Liquid during KB-150 t BOF-RH-CC Flowsheet

邓力; 彭其春; 宋佳霖; 邱雷; 盛喜松; 邓品团

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Production Practice of Avoiding Raw and Supplement Materials on Increase Carbon in MA Ultra-Low Carbon Steel Liquid during KB-150 t BOF-RH-CC Flowsheet

更新时间：2026-01-21

- Production Practice of Avoiding Raw and Supplement Materials on Increase Carbon in MA Ultra-Low Carbon Steel Liquid during KB-150 t BOF-RH-CC Flowsheet
- Special Steel Vol. 36, Issue 2, Pages: 32-35(2015)
- 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. 武汉钢铁(集团)公司,武汉,430083
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：20 October 2014，
  
  Online First：23 August 2022，
  
  Published：23 August 2015
- 稿件说明：
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邓力, 彭其春, 宋佳霖, et al. Production Practice of Avoiding Raw and Supplement Materials on Increase Carbon in MA Ultra-Low Carbon Steel Liquid during KB-150 t BOF-RH-CC Flowsheet[J]. Special Steel, 2015, 36(2): 32-35.
DOI：

邓力, 彭其春, 宋佳霖, et al. Production Practice of Avoiding Raw and Supplement Materials on Increase Carbon in MA Ultra-Low Carbon Steel Liquid during KB-150 t BOF-RH-CC Flowsheet[J]. Special Steel, 2015, 36(2): 32-35. DOI：

摘要

MA超低碳钢（/%:≤0.005C

0.007~0.012Si

0.07~0.15Mn

≤0.025P

≤0.025S

≤0.035Als

≤0.0020N）的生产流程为KB-150 t BOF（终点[C

]

≤0.020%）-RH-200 mm板CC工艺。试验分析了结晶器保护渣

中间包覆盖剂

钢包耐火材料对钢液增碳量影响。结果表明

结晶器增碳量（△C 0.0003%~0.0008%）明显高于中间包增碳量（△C 0.0001%~0.0005%）

通过稳定冶金操作

控制保护渣原始碳量为1%~2%

向保护渣中添加MnO

（3.5%~4.0%）

控制覆盖剂量等工艺措施

可有效地减少钢液增碳。

Abstract

The production flowsheet for MA ultra-low carbon steel (/% : ≤0.005C

0.007-0.012Si

0.07-0.15Mn

≤0.025P

≤0.025S

≤0.035Als

≤0.0020N) is KB-150 t BOF (end [C

]

≤0.020%)-RH-200 mm slab CC flowsheet. The effect of mold flux

tundish shielding agent and ladle refractory materials on incremental carbon content in liquid has been tested and analyzed. Results show that the incremental carbon content in liquid in mold ( AC 0.0003%-0.0008% ) is obviously higher that in tundish (AC 0.0001%-0.0005% )

through using the measures including defining metallurgy operation

controlling initial carbon content in mold flux 1% -2% and adding 3.5%-4.0% MnO

in flux

controlling the amount of tundish shielding agent

it is available to decrease the incremental carbon content in liquid.

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