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首页> 外文期刊>ISIJ international >Prediction Model of Coke Strength after Gasification Reaction
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Prediction Model of Coke Strength after Gasification Reaction

机译：气化反应后焦炭强度的预测模型

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Mechanisms of the breakage and fines generation of cokes after gasification reaction were studied standing on the basic viewpoints as follows: 1) The coke is a compound of plural kinds of coke textures with respective strength and reactivity and both the strength and reactivity of coke in total are dominated by the coke textures composition and pore volume fraction. 2) The change in the strength after gasification reaction is caused by the change in the coke textures composition and pore volume fraction due to the gasification reaction. According to the basic viewpoints, a mathematical model was developed which calculates the change in the coke textures composition and pore volume fraction during gasification reaction and predicts the strength of coke after gasification reaction. Experiments were made on the gasification and size degradation of cokes using five kinds of coke samples with different coke textures composition and the model was confirmed useful to predict the reaction rates and the strengths after gasification reaction.
机译：从基本观点出发，研究了气化反应后焦炭破碎和细化的机理：1）焦炭是多种焦炭结构的混合物，具有各自的强度和反应性，以及总的强度和反应性由焦炭织构组成和孔体积分数决定。 2）气化反应后强度的变化是由气化反应引起的焦炭织构组成和孔体积分数的变化引起的。根据基本观点，建立了数学模型，该数学模型计算了气化反应过程中焦炭结构组成和孔体积分数的变化，并预测了气化反应后焦炭的强度。用五种不同焦炭组成的焦炭样品进行了焦化气化和粒度降解的实验，证实该模型可用于预测反应速率和气化反应后的强度。

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