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Article

Study of the Effect of a Plug with Torsion Channels on the Mixing Time in a Continuous Casting Ladle Water Model

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UMSNH, Posgrado en Ingeniería Mecánica, F. J. Mujica S/N Av., Morelia 58040, Mexico
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TecNM/I.T. Morelia, Tecnológico 1500 Av., Morelia 58120, Mexico
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CATEDRAS-CONACYT, Insurgentes Sur 1528 Av., Cuidad de Mexico 03940, Mexico
*
Author to whom correspondence should be addressed.
Academic Editors: Peiyuan Ni and Qiang Yue
Metals 2021, 11(12), 1942; https://doi.org/10.3390/met11121942
Received: 19 October 2021 / Revised: 23 November 2021 / Accepted: 26 November 2021 / Published: 1 December 2021
(This article belongs to the Special Issue Numerical and Physical Modeling in Steel Refining and Casting)
The use of porous plugs in injecting gas through the bottom of a ladle forms vertical plumes in a very similar way to a truncated cone. The gas plume when exiting the plug has a smaller diameter compared to that formed in the upper zone of the ladle because inertial forces predominate over buoyancy forces in this zone. In addition, the magnitude of the plume velocity is concentrated in an upward direction, which increases the likelihood of low velocity zones forming near the bottom of the ladle, especially in lower corners. In this work, a plug with spiral-shaped channels with different torsion angles is proposed, with the objective that the gas, when passing through them, has a tangential velocity gain or that the velocity magnitude is distributed in the three axes and does not just focus on the upward direction, helping to decrease low velocity zones near the bottom of the ladle for better mixing times. For the experimentation, we worked in a continuous casting ladle water model with two configuration injections, which in previous works were reported as the most efficient in mixing the steel in this ladle. The results obtained using the PIV technique (particle image velocimetry) and conductimetry technique indicate that the plugs with the torsion channels at angles of 60° and 120° improve the mixing times for the two injection configurations. View Full-Text
Keywords: metallurgic ladle; mixing time; physical modeling; PIV metallurgic ladle; mixing time; physical modeling; PIV
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MDPI and ACS Style

Aguilar, G.; Solorio-Diaz, G.; Aguilar-Corona, A.; Ramos-Banderas, J.A.; Hernández, C.A.; Saldaña, F. Study of the Effect of a Plug with Torsion Channels on the Mixing Time in a Continuous Casting Ladle Water Model. Metals 2021, 11, 1942. https://doi.org/10.3390/met11121942

AMA Style

Aguilar G, Solorio-Diaz G, Aguilar-Corona A, Ramos-Banderas JA, Hernández CA, Saldaña F. Study of the Effect of a Plug with Torsion Channels on the Mixing Time in a Continuous Casting Ladle Water Model. Metals. 2021; 11(12):1942. https://doi.org/10.3390/met11121942

Chicago/Turabian Style

Aguilar, Gerardo, Gildardo Solorio-Diaz, Alicia Aguilar-Corona, José Angel Ramos-Banderas, Constantin A. Hernández, and Fernando Saldaña. 2021. "Study of the Effect of a Plug with Torsion Channels on the Mixing Time in a Continuous Casting Ladle Water Model" Metals 11, no. 12: 1942. https://doi.org/10.3390/met11121942

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