高拉速方坯连铸结晶器钢渣界面行为特征

doi:10.13228/j.boyuan.issn1005-4006.20210059

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Abstract For continuous casting of high speed, the control of flow behavior of molten steel and mold slag under high steel quantity in mold is an important link to ensure reasonable solidification and cooling control in mold area. A mathematical model of multiphase flow, heat transfer and solidification coupling in a three-dimensional billet continuous casting mold was established to study the transient flow phenomenon of HSS in the mold and its effect on the liquid level fluctuation and the flow of protective slag.The results show that the impact of HSS on the steel slag interface in the crystallizer causes obvious bulge on the meniscus surface, and causes severe fluctuation of the interface near the nozzle.The flow behavior of the liquid flux is greatly affected by the fluctuation of the liquid level. The discontinuous flux causes the formation of the solid flux film with uneven thickness, and the irregular solid flux film in turn hinders the inflow of the liquid flux.

Key words： high casting speed mold steel and slag interface fluid flow numerical simulation

Received: 24 May 2021

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	Articles by authors
	WANG Lin-jie
	KONG Ling-zhong
	FENG Liang-hua
	YANG Jie
	CHEN Deng-fu

Cite this article:

WANG Lin-jie,KONG Ling-zhong,FENG Liang-hua等. Interfacial behavior of steel and slag in billet mold during high casting speed[J]. CONTINUOUS CASTING, 2021, 40(4): 11-16.

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http://www.chinamet.cn/Jweb_lz/EN/10.13228/j.boyuan.issn1005-4006.20210059 OR http://www.chinamet.cn/Jweb_lz/EN/Y2021/V40/I4/11

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