Effect of Submerged Entry Nozzle Structure on Fluid Flow, Slag Entrainment, and Solidification Process in a Slab Continuous Casting Mold

Xu, Rui; Ling, Haitao; Tian, Xiang; Ren, Lei; Chang, Lizhong; Qiu, Shengtao

doi:10.2355/isijinternational.isijint-2023-407

ISIJ Int.

2024

DOI: 10.2355/isijinternational.isijint-2023-407

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Effect of Submerged Entry Nozzle Structure on Fluid Flow, Slag Entrainment, and Solidification Process in a Slab Continuous Casting Mold

Rui Xu,

Haitao Ling,

Xiang Tian

et al.

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2024

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Cited by 2 publications

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Characteristic analysis of mold level fluctuation during continuous casting of Ti-bearing IF steel

Wang,

Shan,

Cui

et al. 2024

Journal of Materials Research and Technology

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Characteristic analysis of mold level fluctuation during continuous casting of Ti-bearing IF steel

Wang,

Shan,

Cui

et al. 2024

Journal of Materials Research and Technology

View full text Add to dashboard Cite

Effect of the asymmetric flow behaviour of molten steel on solidified shell in slab continuous casting mould

Li,

et al. 2024

Ironmaking & Steelmaking: Processes, Products and Applicati

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The flow behaviour of molten steel in the mould has an important influence on the solidification quality of the slab. A three-dimensional transient mould model has been developed to describe the effect of the asymmetric flow behaviour of molten steel on solidified shells in the mould. The causes of the asymmetric behaviour of molten steel in the mould were discussed, and the interaction between deviation flow and solidified shell was analysed. The results show that the asymmetric distribution of the flow field is caused by the difference in flow rate at the outlets on both sides of the nozzle and the irregular interaction between the molten steel and the complex nozzle geometry. The level fluctuation is correlated with the deviation flow of the molten steel on the opposite side. The velocity variation trend of the two models is similar, but the fluctuation amplitude of the velocity on both sides of the nozzle in the non-solidification model is more drastic. The conversion period of the deviation flow in the solidification model is longer than that in the non-solidification model. Moreover, the velocity and angle of incident and return flow on both sides are different due to the deviation flow, which mainly affects the solidification of the shell at and below the impact point of the molten steel. The deviation flow will strengthen the impact of the main stream on the shell, resulting in a significant decrease in the thickness at the impact point, while the thickness of the shell below the impact point fluctuates greatly.

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Effect of Submerged Entry Nozzle Structure on Fluid Flow, Slag Entrainment, and Solidification Process in a Slab Continuous Casting Mold

Cited by 2 publications

References 26 publications

Characteristic analysis of mold level fluctuation during continuous casting of Ti-bearing IF steel

Characteristic analysis of mold level fluctuation during continuous casting of Ti-bearing IF steel

Effect of the asymmetric flow behaviour of molten steel on solidified shell in slab continuous casting mould

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