Experimental Study on Water Model for a 50 t Top and Bottom Combined Blown Converter at Tangsteel

曾亚南; 李俊国; 韩志杰; 李守章; 吴雨晨

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Experimental Study on Water Model for a 50 t Top and Bottom Combined Blown Converter at Tangsteel

更新时间：2026-01-21

- Experimental Study on Water Model for a 50 t Top and Bottom Combined Blown Converter at Tangsteel
- Special Steel Vol. 31, Issue 2, Pages: 21-24(2010)
- 作者机构：
  
  1. 河北理工大学冶金与能源学院，唐11J,063009
  2. 唐山钢铁股份有限公司,唐山,063016
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：19 October 2009，
  
  Online First：16 November 2022，
  
  Published：16 November 2010
- 稿件说明：
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曾亚南, 李俊国, 韩志杰, et al. Experimental Study on Water Model for a 50 t Top and Bottom Combined Blown Converter at Tangsteel[J]. Special Steel, 2010, 31(2): 21-24.
DOI：

曾亚南, 李俊国, 韩志杰, et al. Experimental Study on Water Model for a 50 t Top and Bottom Combined Blown Converter at Tangsteel[J]. Special Steel, 2010, 31(2): 21-24. DOI：

摘要

针对唐钢50 t复吹转炉

采用1:6.35水模型的正交试验

研究了氧枪枪型、枪位、顶吹流量和底吹流量对熔池混匀时间、穿透深度、冲击面积和喷溅量的影响。结果表明

与4孔氧枪相比

使用改进后的4孔变角氧枪可增加对熔池的冲击面积

降低穿透深度和炉口溅出量

缩短混匀时间。对于50 t复吹转炉实际枪位≤1.3 m

有利于缩短冶炼时间

提高冶炼强度;顶吹流量控制在13 000～14000 m

可缩短混匀时间和减少炉口溅出量。

Abstract

Effect of oxygen lance nozzles

lance level

top blowing rate and bottom blowing rate on bath mixing time

penetrating deptht impact area and splashing amount has been studied by orthogonal design test using 1： 6.35 water model for a 50 t top and bottom combined blown converter at Tang steel. Results show that as compared to original 4-hole oxygen lance

with using improved variable angle 4-hole oxygen lance the impact area in bath increases

the penetrating depth and splashing amount decrease while the mixing time decreases. For the 50 t top and bottom combined blown converter the real lance lever ≤1.3 m is available to decrease tap to tap time and increase intensity of bath stirring; and the mixing time and splashing amount decrease by controlling top blown rate 13 000 ~ 14 000 m

/h.

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