Water modelling on a five-strand tundish with channel induction heating for better flow field
MA Yu1, TANG Hai-yan1, ZHANG Shuo1, ZHANG Jia-quan1, XIAO Hong1,2, MA Zhi-min2
1. School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, Beijing 100083, China; 2. Electromagnetic Center, Hunan Zhongke Electric Co., Ltd., Yueyang 414000, Hunan, China
Abstract：The channel typed induction heating tundish is one of new technologies adopted by steel industry in the recent years,which shows an effective liquid steel temperature control during continuous casting. For the much different geometry as compared with conventional tundishes,special attention should be given to the control of the fluid flow field with consideration of the presence of heating channels. Aimed at the larger temperature difference between strands and the higher superheat degree observed in a 5strand tundish for special steel casting,a water modelling has been carried out for the optimization of the vessel structure,and a side furcated channel has been invented in the present work. With the improved channel design,the dead zone fraction of the tundish is dropped from 29.50% to 20.33%,and the average residence time is prolonged by 40 s compared with the straight-through prototype channel scheme. Industrial tests show that the temperature difference between the edge strand and the middle strand in the new tundish is 3.6 ℃ lower in average than that of the original channel typed one,which meets the demand of casting production for no obvious temperature difference among the five strands.
马钰, 唐海燕, 张硕, 张家泉, 肖红, 马志民. 通道式感应加热五流中间包流场的水力学模拟[J]. 钢铁, 2020, 55(11): 57-64.
MA Yu, TANG Hai-yan, ZHANG Shuo, ZHANG Jia-quan, XIAO Hong, MA Zhi-min. Water modelling on a five-strand tundish with channel induction heating for better flow field[J]. Iron and Steel, 2020, 55(11): 57-64.
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2020, Vol. 55 
