Mathematical simulation of flow field in 160 mm×160 mm billet continuous casting mold
XUE Rui1,2, ZHANG Yan-chao1,2, ZHANG Cai-jun1,2, WANG Chong-jun3, LIU Zhi-yuan3
1.College of Metallurgy and Energy, North China University of Science and Technology, Tangshan 063000, Hebei, China;
2.Hebei Engineering Research Center of High Quality Steel Continuous Casting, Tangshan 063000, Hebei, China;
3.Steelmaking Department, Tangshan Heavy Plate Co., Ltd., Tangshan 063210, Hebei, China
A three-dimensional steady-state mathematical model was established for the 160 mm×160 mm billet mold with Fluent software. The surface velocity of the mold and the flow field state of the molten steel in the mold were taken as the main reference targets. The corresponding immersion depth of the nozzle in the under different casting rate conditions was simulated, and the numerical simulation results were verified by water simulation. The results showed that when the casting rate of the billet mold was 1.7-1.9 m/min and the immersion depth was within the range of 80-100 mm, the flow field in the mold was suitable, and there was no slag entrapment caused by the violent fluctuations of the liquid level. The research results can provide theoretical guidance for the development of a reasonable casting process for the billet continuous casting mold.
2020, Vol. 30 
