World Journal of Engineering and Technology

Volume 8, Issue 3 (August 2020)

ISSN Print: 2331-4222   ISSN Online: 2331-4249

Google-based Impact Factor: 0.80  Citations  

Lance Design for Argon Bubbling in Molten Steel

HTML  XML Download Download as PDF (Size: 1638KB)  PP. 317-328  
DOI: 10.4236/wjet.2020.83025    508 Downloads   2,392 Views  Citations

ABSTRACT

Three lance designs for argon bubbling in molten steel are presented. Bottom bubbling is considered too. Geometries considered are straight-shaped, T-shaped, and disk-shaped. The bubbling behavior of these lances is analyzed using Computational Fluid Dynamics, so transient three dimensional, isothermal, two-phase, numerical simulations were carried out. Using the numerical results, the bubble distribution and the open eye area are analyzed for the considered lance geometries. The plume volume is calculated from the open eye area and the lance immersion depth using geometrical considerations. Among the three lance designs considered, disk-shaped lance has the bigger plume volume and the smaller mixing time. As the injection lance is deeper immersed, the power stirring is increased and the mixing time is decreased.

Share and Cite:

De la Cruz, S. , Barron, M. , Medina, D. and Reyes, J. (2020) Lance Design for Argon Bubbling in Molten Steel. World Journal of Engineering and Technology, 8, 317-328. doi: 10.4236/wjet.2020.83025.
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