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首页> 外文期刊>ISIJ International >Powder Injection Effect on Hot Metal Desulfurization Behavior in the Kanbara Reactor: a Transient 3D Coupled Numerical Model
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Powder Injection Effect on Hot Metal Desulfurization Behavior in the Kanbara Reactor: a Transient 3D Coupled Numerical Model

机译：Powder Injection Effect on Hot Metal Desulfurization Behavior in the Kanbara Reactor: a Transient 3D Coupled Numerical Model

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摘要

The increasing demand and stringent requirements for high-quality steels necessitate their desulfurization efficiency enhancement and its robust substantiation. In this study, the Kanbara Reactor (KR) hot metal desulfurization process was simulated by a transient 3D coupled numerical model of two-phase flow, heat transfer, and desulfurizing agent (DA) particles. The multiple reference frame method was used to simulate the stirring blade rotation, and a desulfurization kinetic model was introduced to analyze the mass transfer rate of sulfur. The effect of addition of DA particles on the desulfurization efficiency was quantitatively evaluated under different conditions. The calculated average particle size was consistent with that reported by other researchers. The increased gas flow rate promoted the hot metal penetration of the DA, and the gas flow rate of 180 m/s corresponded to the desulfurization rate of 95.27%. When the lance was shifted further from the stirring shaft, higher desulfurization rates were obtained. However, an increased angle between the lance and the vortex liquid surface would induce the detrimental hot metal splashing phenomenon.

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