Mathematical Modeling of the Fluid Hydrodynamics and Refining Effects in a Gas-Stirred Ladle with Pulsed Bottom Blowing

Tan, Fangguan; Cao, Heng; Lin, Guo; Li, Zonglin; Gao, Lei; Li, Fashe; Li, Yawei; He, Zhu; Wang, Hua

doi:10.1007/s11663-024-03244-6

Metall Mater Trans B

2024

DOI: 10.1007/s11663-024-03244-6

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Mathematical Modeling of the Fluid Hydrodynamics and Refining Effects in a Gas-Stirred Ladle with Pulsed Bottom Blowing

Fangguan Tan,

Heng Cao,

Guo Lin

et al.

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Influence of Flow Control Devices on Mixing Phenomena in the Ladle with Top Lance Stirring System—Numerical and Physical Modeling

Cwudziński

2024

Materials

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In this paper, the influence of the structure of the bottom of the ladle with ceramic dam or set of dams on the mixing process was assessed, determining the mixing time required to achieve the level of 95% chemical homogenization. The 0.1 scale water model was used for the physical experiments. The numerical simulations were carried out in the Ansys-Fluent 12.1 software for a 1:1 scale ladle and the behavior of hot metal—nitrogen system. The research focused on three issues, i.e., the influence of the flow rate of technical gas, the influence of the position of the top injection lance, and the influence of the type of dam mounted in the ladle bottom. Finally, the use of a semi-circle dam or set of dams in the ladle bottom together with the top lance being set to a lower depth resulted in a significant reduction in the total mixing time of the liquid metal by 42% and 50%, respectively, without increasing the nitrogen flow rate.

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Influence of Flow Control Devices on Mixing Phenomena in the Ladle with Top Lance Stirring System—Numerical and Physical Modeling

Cwudziński

2024

Materials

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Mathematical Modeling of the Fluid Hydrodynamics and Refining Effects in a Gas-Stirred Ladle with Pulsed Bottom Blowing

Cited by 1 publication

References 26 publications

Influence of Flow Control Devices on Mixing Phenomena in the Ladle with Top Lance Stirring System—Numerical and Physical Modeling

Influence of Flow Control Devices on Mixing Phenomena in the Ladle with Top Lance Stirring System—Numerical and Physical Modeling

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