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Quasi-Symmetric Transfer Behavior in an Asymmetric Two-Strand Tundish with Different Turbulence Inhibitor

1
Key Laboratory of Electromagnetic Processing of Materials, Ministry of Education, Northeastern University, Shenyang 110004, China
2
School of Metallurgy, Northeastern University, Shenyang 110004, China
3
Dong Bei Special Steel Group CO., LTD., Fushun 113001, China
*
Author to whom correspondence should be addressed.
Metals 2019, 9(8), 855; https://doi.org/10.3390/met9080855
Received: 15 July 2019 / Revised: 31 July 2019 / Accepted: 3 August 2019 / Published: 5 August 2019
(This article belongs to the Special Issue Mold and Tundish Metallurgy)
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Abstract

The task of the tundish is to supply and distribute the molten steel with the similar temperature and the similar inclusion mass concentration to the continuous casting mold. But it is difficult for the asymmetric tundish to accomplish this task. Thus, the scheme about the asymmetric turbulence inhibitor and the baffle wall with guided holes is proposed to optimize the tundish. In order to have a deep insight into the metallurgical behavior in the asymmetric tundish, numerical simulation is applied to describe the fluid flow, the heat transfer, RTD (residence time distribution) curve, and inclusion collision aggregation behavior. Numerical results show that the predicted temperature and inclusion concentration agree with the industrial experimental data. In the asymmetric two-strand tundish, the asymmetric turbulence inhibitor and the baffle wall with guided holes can extend the mean residence time at the left outlet, reduce the temperature difference between the two outlets, and prompt the inclusion removal rate at the left outlet. View Full-Text
Keywords: asymmetric tundish; asymmetric turbulence inhibitor; inclusion collision aggregation; control device; numerical simulation asymmetric tundish; asymmetric turbulence inhibitor; inclusion collision aggregation; control device; numerical simulation
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Yang, B.; Lei, H.; Zhao, Y.; Xing, G.; Zhang, H. Quasi-Symmetric Transfer Behavior in an Asymmetric Two-Strand Tundish with Different Turbulence Inhibitor. Metals 2019, 9, 855.

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