Abstract
The internal flow, free surface shape, and level fluctuation of liquid metal exposed to linear electromagnetic stirring were measured and analyzed against the background of an actual metallurgical equipment with linear electromagnetic stirring system. The desulphurization process, with or without imposition of linear electromagnetic stirring, was also studied experimentally. The changes in sulfur content of hot metal with respect to time were obtained, and the volumetric mass transfer coefficients corresponding to different stirring currents were determined. The results showed that linear electromagnetic stirring can effectively promote internal flow, effectively increase the level fluctuation, and significantly improve the kinetic condition of liquid metal. The internal flow and level fluctuation of liquid metal increase in line with the increase in electromagnetic stirring intensity. The desulphurization experiments show that linear electromagnetic stirring can significantly promote the desulphurization process of hot metal, and that the technology has wide application potential in promoting various slag metal reactions.
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