Analysis of Factors Affecting Free Surface Vortex Formation during Steel Teeming

被引：27

作者：

Li, Hong-Xia ^{[1
]}

Wang, Qiang ^{[1
,2
]}

Jiang, Jia-Wei ^{[1
]}

Lei, Hong ^{[1
]}

Guo, Zhan-Cheng ^{[2
]}

He, Ji-Cheng ^{[1
]}

机构：

[1] Northeastern Univ, Key Lab Electromagnet Proc Mat, Minist Educ, Shenyang 110819, Peoples R China

[2] Univ Sci & Technol Beijing, State Key Lab Adv Met, Beijing 100083, Peoples R China

来源：

ISIJ INTERNATIONAL | 2016年 / 56卷 / 01期

基金：

中国国家自然科学基金;

关键词：

clean steel; inclusions; vortex; steel teeming; BATH-TUB VORTEX; DRAINING OPERATIONS; LADLE; SIMULATION;

D O I：

10.2355/isijinternational.ISIJINT-2015-096

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

To suppress slag entrapment by vortexes during steel teeming, and to improve steel cleanliness, key factors affecting free surface vortex formation have been analyzed in this study. It was found that Coriolis forces have little effect on vortex formation. The initial tangential disturbance is the main factor for vortex formation. And when the nozzle position is central or eccentric, the effects of initial tangential velocity, nozzle diameter on the critical height are different. Physical properties of liquid steel have a small effect on the critical height. A formula for calculating the height was discussed.

引用

页码：94 / 102

页数：9

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