四流H型感应加热中间包控流装置设计

doi:10.13228/j.boyuan.issn1005-4006.20210111

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Abstract Two flow control devices which are inverted eight type and V type weir were put forward in order to improve the characteristics of flow field in the new 4-strand H-type double channels tundish with induction heating in a special steel plant. The flow field, RTD curve and temperature field in tundish with different flow control devices were simulated by numerical method. The results show that the average residence time of the inverted eight type is 1 469.6 s, the dead zone volume fraction is 5.83%, and the maximum temperature difference between the edge nozzle and the middle nozzle is 3 K. Compared with the V-type flow control device, the average residence time is prolonged by 41.9 s, the dead zone volume fraction is correspondingly reduced by 4.09%, and the maximum temperature difference between the edge nozzle and the middle nozzle is reduced by 2 ℃. The design of turbulence suppressor + inverted eight flow control device has better flow control effect on the new 4-strand H-type double channels tundish with induction heating.

Key words： H-type tundish induction heating flow control device flow field RTD curve temperature field

Received: 22 September 2021

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	Articles by authors
	YUAN Ji-bai
	MA Zhi-min
	YIN Pan
	ZHANG Hua

Cite this article:

YUAN Ji-bai,MA Zhi-min,YIN Pan等. Design of flow control device on 4-strand H-type double channels tundish with induction heating[J]. CONTINUOUS CASTING, 2021, 40(6): 85-90.

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http://www.chinamet.cn/Jweb_lz/EN/10.13228/j.boyuan.issn1005-4006.20210111 OR http://www.chinamet.cn/Jweb_lz/EN/Y2021/V40/I6/85

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