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首页> 外文期刊>ISIJ international >Effect of Coke Particle Arrangement on Reduction and Gasification Reaction in Mixed Layer of Ore and Coke
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Effect of Coke Particle Arrangement on Reduction and Gasification Reaction in Mixed Layer of Ore and Coke

机译：焦炭颗粒排列对矿石与焦炭混合层还原和气化反应的影响

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摘要

To reduce CO_(2) emissions from steel works, low reducing agent rate (low coke rate) operation of the blast furnace is desired. Mixing nut coke in the ore layer is one effective measure for realizing this type of operation. Therefore, the effect of coke mixing on the reduction reaction rate of ore and the gasification reaction rate of coke in the mixed layer of ore and coke was investigated. The reduction rate of the ore and the gasification rate of the coke in the mixed layer of ore and coke was estimated by a reduction and gasification experiment, and the packing structure of the coke in the mixed layer was estimated by a mathematical model analysis using the discrete element method. The reduction rate of the ore and the gasification rate of the coke in the mixed layer was affected by the degree of contact between the ore and coke. In addition, the reduction rate of the ore and the gasification rate of the coke in the mixed layer was accelerated by the effects of mutual utilization of the gases generated by the reactions.
机译：为了减少钢厂的CO_（2）排放，需要高炉的还原剂率低（焦炭率低）操作。在矿层中混合坚果焦炭是实现此类操作的一种有效措施。因此，研究了焦炭混合对矿石还原反应速率和矿石与焦炭混合层中焦炭气化反应速率的影响。通过还原气化实验来估算矿石的还原率和焦炭混合层中焦炭的气化率，并通过数学模型分析使用混合气法来估算混合层中焦炭的堆积结构。离散元法。混合层中矿石的还原率和焦炭的气化率受矿石与焦炭之间的接触程度的影响。此外，通过相互利用反应产生的气体的作用，加快了混合层中矿石的还原速度和焦炭的气化速度。

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