Control of Ultra-Low Sulphur during 150 t BOF Ultra-Low Carbon Steel Steelmaking and Process Practice

张振申; 程官江; 王新志; 王中岐; 夏志升

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Control of Ultra-Low Sulphur during 150 t BOF Ultra-Low Carbon Steel Steelmaking and Process Practice

更新时间：2026-01-21

- Control of Ultra-Low Sulphur during 150 t BOF Ultra-Low Carbon Steel Steelmaking and Process Practice
- Special Steel Vol. 37, Issue 6, Pages: 47-51(2016)
- 作者机构：
  
  安阳钢铁集团公司技术中心,安阳,455000
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：12 July 2016，
  
  Online First：28 July 2022，
  
  Published：28 July 2016
- 稿件说明：
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张振申, 程官江, 王新志, et al. Control of Ultra-Low Sulphur during 150 t BOF Ultra-Low Carbon Steel Steelmaking and Process Practice[J]. Special Steel, 2016, 37(6): 47-51.
DOI：

张振申, 程官江, 王新志, et al. Control of Ultra-Low Sulphur during 150 t BOF Ultra-Low Carbon Steel Steelmaking and Process Practice[J]. Special Steel, 2016, 37(6): 47-51. DOI：

摘要

结合转炉超低硫钢研发试验及生产实际

分析了转炉原材料中硫含量分布

得出铁水及带渣量、废钢、石灰占转炉入炉原料总硫质量分数的70%以上;研究了150 t顶底复吹转炉碳氧积对终渣（FeO）的影响

吹炼时间（0~15 min）、炉渣综合碱度R（2~4）和（FeO）(15%~25%)以及转炉钢水终点温度（1640~1700℃）对渣-钢硫分配比L

=（S）/[S

]

的影响。20炉无取向硅钢AGW600生产结果表明

当转炉终点碳氧积控制在0.002 8以内

二元碱度3.2~3.7、转炉钢水终点温度1675~1710℃、渣中（FeO）不超过20%

渣-钢硫分配比L

达7.0

钢水终点[C

]

为0.025%~0.048%

]

为0.0024%~0.005 7%

钢材的[C

]

为0.0012%~0.0029%

]

为0.0022%~0.0047%。

Abstract

Combined with BOF ultra-low sulphur steel development experiment and production practice

the distribution of sulphur content in raw material for BOF is analyzed to get the sulphur content in hot metal with quantity of slag

scrap and lime makes up more than 70% of the total sulphur content in BOF charging. The effect of 150 t BOF top and bottom combined blowing converter [C

]

products on end slag (FeO) and the effect of blowing time (0 ~ 15 min)

slag comprehensive basicity R(2 ~4)

( FeO) ( 15% ~ 25% ) and BOF liquid end temperature ( 1640 ~ 1700 °C) on slagsteel sulphur partition ratio L

= (S)/[S

]

are studied. Results by 20 heats non-oriented silicon steel AGW600 production show that with controlling BOF end [C

]

products within 0. 002 8

binar

y slag basicity 3. 2 ~ 3. 7

BOF liquid end temperature 1675 ~ 1710 ℃ and ( FeO) in slag no more than 20%

the slag-steel sulphur partition ratio L

is up to 7. 0

the liquid end [C

]

and [S

]

are respectively 0. 025% ~0. 048% and 0. 002 4% ~0. 005 7% and the steel products [C

]

and [S

]

are respectively 0.0012% ~ 0. 0029% and 0.002 2% ~ 0. 0047%.

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