FLOW CHARACTERISTICS BY INDUCTION AND GAS STIRRING IN ASEA-SKF LADLE

被引:27
作者
CHUNG, SI [1 ]
SHIN, YH [1 ]
YOON, JK [1 ]
机构
[1] KOREA HEAVY IND & CONSTRUCT CO LTD,KYUNGNAM,SOUTH KOREA
关键词
ASEA-SKF LADLE; NUMERICAL SIMULATION; ELECTROMAGNETIC STIRRING; COMBINED STIRRING; REMOVAL OF INCLUSIONS;
D O I
10.2355/isijinternational.32.1287
中图分类号
TF [冶金工业];
学科分类号
0806 ;
摘要
A numerical study was performed for the three-dimensional turbulent fluid flow in the ASEA-SKF ladle. The recirculatory flows are induced by an electromagnetic force field and/or gas injection. The effect of each stirring method and that of combined stirring on the flow characteristics were examined. Induction stirring was superior to gas stirring for the removal of non-metallic inclusions due to the flow pattern with a less stagnant region. As for the mixing effect, however, gas stirring was more effective than induction stirring. From the numerical results, combined stirring of the induction and gas stirring was suggested, so that it was more effective than each individual stirring method. The numerical results were compared with the data from the field operations, which showed good qualitative agreements.
引用
收藏
页码:1287 / 1296
页数:10
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