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Open AccessArticle

Dynamic Bath Mixing during an Ingot Casting Process

School of Metallurgical Engineering, Anhui University of Technology, Ma′anshan 243032, China
Key Laboratory of Metallurgical Emission Reduction & Resources Recycling, Ministry of Education, Anhui University of Technology, Ma′anshan 243032, China
School of Metallurgy, Northeastern University, Shenyang 110819, China
Division of Materials and Manufacturing Science, Graduate School of Engineering, Osaka University, 2-Yamadaoka, Osaka 565-0871, Japan
Author to whom correspondence should be addressed.
Metals 2019, 9(2), 238;
Received: 30 January 2019 / Revised: 8 February 2019 / Accepted: 13 February 2019 / Published: 17 February 2019
(This article belongs to the Special Issue Advanced Simulation Technologies of Metallurgical Processing)
PDF [3798 KB, uploaded 17 February 2019]
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This paper presents the results of a bath stirring investigation using a physical model for an uphill ingot casting process. A new method of mixing time measurement that overcomes the drawback of the conventional measurement method was developed. The method was used to investigate bath stirring for a dynamic-volume bulk bath in which the liquid volume increases over time during the teeming process. The results show that the new method can be successfully applied to reveal the relationship between gas blowing schemes, gas blowing flowrates, and bath depths. It is demonstrated that blowing bubbles causes the flow of the bath to increase when the bath depth is increased. By applying the new data analysis method, three different bottom blowing schemes were explored to study the mixing behaviors under different operating conditions. The results suggest that the concentric circular annulus is more favorable than both the eccentric blowing scheme and symmetrical scheme to achieve efficient mixing. View Full-Text
Keywords: steel ingot casting; physical model; gas blowing mixing; dynamic process steel ingot casting; physical model; gas blowing mixing; dynamic process

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Zhou, X.; Zhong, L.; Ni, P.; Deng, N. Dynamic Bath Mixing during an Ingot Casting Process. Metals 2019, 9, 238.

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