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本研究在１５０ｋｇ中频感应炉内喷吹石灰系及电石系脱硫剂，对铁水做脱硫预处理试验。研究了铁水中元素变化规律对脱硫命中率的影响，计算了有关动力学参数，从而验证了铁水［Ｓ］＜０．０４％情况下，脱硫反应速率的限制性环节是铁水中硫的传质。
In this study, limestone and calcium carbide desulphurizer were sprayed in a 150kg medium frequency induction furnace to pretreat the hot metal desulphurization. The effect of elemental variation in hot metal on the rate of desulfurization was investigated, and the kinetic parameters were calculated. It was verified that the limit of desulfurization reaction rate was the mass transfer of sulfur in hot metal under the condition of hot metal [S] <0.04% .