Desulfurizer desulphurization kinetics by the injection method

Wei Wu, Zhijun Han, Yanbin Hu, and Wei Wu Metallurgical Technology Institute, Central Iron & Steel Research Institute, Beijing 100081, China

摘 要：To obtain a better desulphurization effect in hot metal, suitable desulfurizers should be selected first according to thermodynamics. However, the effect of desulphurization is also strongly affected by kinetics. The conditions of different desulfurizers （Mg, CaC2, and lime） penetrating into hot metal, the rising up velocity in iron melt, residence time, and dissolving time are theoretically calculated and analyzed. The results are helpful to select the desulphurization process and equipment and to improve the desulphuri-zation effect.

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