Numerical Simulation of Three Dimensional Compressible Fluid Flow of 100 t Top-Blown Oxygen Converter

解家英; 张利君; 宁林新; 王凤琴

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Numerical Simulation of Three Dimensional Compressible Fluid Flow of 100 t Top-Blown Oxygen Converter

更新时间：2026-01-21

- Numerical Simulation of Three Dimensional Compressible Fluid Flow of 100 t Top-Blown Oxygen Converter
- Special Steel Vol. 35, Issue 5, Pages: 1-4(2014)
- 作者机构：
  
  首钢技术研究院,北京,100043
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：17 April 2014，
  
  Online First：29 August 2022，
  
  Published：29 August 2014
- 稿件说明：
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解家英, 张利君, 宁林新, et al. Numerical Simulation of Three Dimensional Compressible Fluid Flow of 100 t Top-Blown Oxygen Converter[J]. Special Steel, 2014, 35(5): 1-4.
DOI：

解家英, 张利君, 宁林新, et al. Numerical Simulation of Three Dimensional Compressible Fluid Flow of 100 t Top-Blown Oxygen Converter[J]. Special Steel, 2014, 35(5): 1-4. DOI：

摘要

通过利用Fluent流体软件及标准κ-ε方程模型

研究氧气压力(11.46×10

Pa和6.88×10

Pa)及氧枪位置(1.2~1.5 m)对钢厂100 t顶吹转炉氧枪射流特性及钢液表面冲击的影响。结果表明

随氧气压力的增大

氧气在转炉内高速区范围变大

射流核心段长度变长

且气流的压能增加;氧气压力为11.46×10

Pa时

当枪位由1.2 m提到1.5 m时

钢液表面氧气流最大冲击速度由240 m/s降低至194 m/s

高速区面积减少

钢液凹坑深度由0.37~0.43 m降至0.30~0.36 m

同时凹坑最大直径由0.70~0.80 m增至0.80~0.95 m。

Abstract

The influence of oxygen pressure (11.46 x 10

Pa and 6. 88 x 10

Pa) and oxygen lance level ( 1.2-1.5 m) on jet characteristics and impact of liquid surface of 100 t top-blown oxygen converter at steel words is studied by using Fluent fluid software and standard k-e turbulence model. Results show that with increasing oxygen pressure the high speed region of oxygen in converter enlarges

the length of jet key area increases and the pressure energy of jet enhances ; with oxygen pressure 11.46 x 10

as oxygen lance level is raised from 1.2 m to 1.5 m

the max impact speed of oxygen flow at liquid surface decreases from 240 m/s to 194 m/s and the high speed region reduces

the depth of liquid cavity decreases from 0.37-0.43 m to 0.30-0.36 m while the max diameter of liquid cavity enlarges from 0.70-0.80 m to

0.80-0.95 m.

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