AISTech 2022

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Numerical Simulation of Desulfurization in a Steel Ladle (Room 309)

17 May 22

3:00 PM - 3:30 PM

Tracks: Ladle & Secondary Refining

Speaker(s): Vivek Thapliyal, Nucor Corp.; Chenn Zhou, Purdue University Northwest; Armin Silaen, Purdue University Northwest; Nicholas Walla, Purdue University Northwest; Xipeng Guo, Purdue University Northwest; Congshan Mao, Mr, Purdue University Northwest

During the ladle steel refining process, several chemical reactions occur due to the species exchange between steel and slag, including both desulfurization and re-oxidation. These lead to the alteration of element composition and formation or decomposition of oxides inclusions within the steel. A 3D computational fluid dynamics model is built to investigate the chemical reactions to optimize the refining methods and improve steel quality. The model uses the Eulerian-Eulerian multi-phase model, with the species transport model used to simulate the species mass fraction in steel. A user-defined function file is developed to calculate reaction rates and remove species.

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