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Published in:
2016 | OriginalPaper | Chapter
Physical Simulation of Critical Blowing Rate of Slag Entrapment of 80 Tons Ladle
Authors : Rui Wang, Yanping Bao, Yihong Li, Aichun Zhao, Yafeng Ji, Xiao Hu, Qingxue Huang, Jiansheng Liu
Published in: EPD Congress 2016
Publisher: Springer International Publishing
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The slag entrapment under different conditions of 80t blowing argon ladle furnace was investigated by physical simulation. The water was used to simulate liquid steel and liquid paraffin was for slag. The processing of slag entrapment under different blowing structures was analyzed and the critical velocity and critical droplets diameter of describing it was obtained. Based on the experiments, the relationship between the interface flow velocity and the critical blowing rate (CBR) was deduced. In the real process, it is suggested that the bottom blowing rate is from 40 L/min to 180L/min when the interface tension is 0.12~1.2 N/m during the soft argon blowing.