The numerical relationship between the gasifier entrance material and the export effective gas compositions is computed theoretically using the principle of material balance, energy balance and chemical equilibrium. In this paper, the Fluent software is used to simulate the temperature field formed in the gasifier and the concentration field of the export syngas' main components. We get first step conclusion that the syngas with the hydrogen carbon ratio in the range of 1. 0-2. 0 can be produced directly when changing the proportion of the coke-oven gas and coal.%利用物料平衡、能量平衡和化学平衡,对气化炉入口物料与出口有效气体成分间的数量关系进行了理论计算,并应用Fluent软件对反应器内形成的温度场与出口合成气主要成分的浓度场进行了模拟.得出改变焦炉煤气和煤的比例,可直接生产出氢碳比在1.0～2.0间的合成气.
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