Progress and Perspective of Functioned Continuous Casting Tundish Through Heating and Temperature Control
TANG Haiyan1(), LIU Jinwen1, WANG Kaimin1, XIAO Hong1,2, LI Aiwu2, ZHANG Jiaquan1
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, China
Cite this article:
TANG Haiyan, LIU Jinwen, WANG Kaimin, XIAO Hong, LI Aiwu, ZHANG Jiaquan. Progress and Perspective of Functioned Continuous Casting Tundish Through Heating and Temperature Control. Acta Metall Sin, 2021, 57(10): 1229-1245.
The continuous casting tundish is one of the key metallurgical reactors for the sequence casting process of liquid steel, which is a recent novel technology equipped with heating and temperature control units to produce improved quality casting strands and their hot rolling products. To maintain a stable casting temperature for sequence production under given superheating and casting speeds, a tundish technology equipped with heating and temperature control units is required. Aiming at addressing some issues in the application of two typical heating technologies, plasma and channel induction, in tundishes for special steel production, we investigated the heating principles and features of instrumentation. The challenges in the development and applications of plasma heating and discussed the details of the channel induction heating technique adopted in the industry were reviewed. The heating coil designs, arrangements, and the effects on the fluid flow, temperature, and magnetic fields in tundishes were also analyzed, paying special attention to inclusion removal. Finally, our recent study and applications regarding this issue are presented with special attention to the understanding, new findings, and suggestions for the novel tundish technology for its applications and further improved steel quality.
Fund: National Natural Science Foundation of China(51874033);National Key Research and Development Program of China(016YEB0601302);Natural Science Foundation of Beijing(218-2038)
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