SIMULATION STUDY ON THE JET CHARACTERISTICS OF COHERENT JET OXYGEN LANCE USED IN BASIC OXYGEN FURNACE (BOF)

被引：0
|
作者：
Feng, L. H. [1 ]
Kang, X. B. [2 ]
Liang, H. K. [1 ]
Liu, G. L. [1 ]
Sun, C. [1 ]
机构：
[1] Northeastern Univ, Sch Met, Boston, MA 02115 USA
[2] Yanshan Iron & Steel Co LTD, Hebei Iron & Steel Grp, Qianan, Peoples R China
来源：
METALURGIJA | 2018年 / 57卷 / 04期
关键词：
BOF; coherent jet; oxygen lance; protective gas; carbon dioxide;
D O I：
暂无
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
Coherent jet oxygen lance is a new type of oxygen lance. In this paper, numerical study on the jet flow of coherent jet oxygen lance was carried out with different protective gas out the circular gap around the steel supersonic oxygen lance nozzle. The simulation results showed that the protection gas density was smaller, the oxygen core length was longer. High temperature carbon dioxide and hydrogen gas had the same protection effect on the main oxygen core length. The main oxygen core length increased as the increasing of the temperature and the pressure of the carbon dioxide protection gas. The result of this paper provides a theoretical basis for the design of the coherent jet oxygen lance used in BOF.
引用
收藏
页码：223 / 225
页数：3
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