A novel model for cost performance evaluation of pulverized coal injected into blast furnace based on effective calorific value  

作　　者：徐润生 张建良 左海滨 李克江 宋腾飞 邵久刚 

机构地区：[1]School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing [2]State Key Laboratory of Advanced Metallurgy, University of Science and Technology Beijing

出　　处：《Journal of Central South University》2015年第10期3990-3998,共9页中南大学学报（英文版）

基　　金：Project(51134008)supported by the National Natural Science Foundation of China;Project(2012CB720401)supported by the National Basic Research Program of China

摘　　要：The combustion process of pulverized coal injected into blast furnace involves a lot of physical and chemical reactions. Based on the combustion behaviors of pulverized coal, the conception of coal effective calorific value representing the actual thermal energy provided for blast furnace was proposed. A cost performance evaluation model of coal injection was built up for the optimal selection of various kinds of coal based on effective calorific value. The model contains two indicators: coal effective calorific value which has eight sub-indicators and coal injection cost which includes four sub-indicators. In addition, the calculation principle and application of cost performance evaluation model in a Chinese large-scale iron and steel company were comprehensively introduced. The evaluation results finally confirm that this novel model is of great significance to the optimal selection of blast furnace pulverized coal.The combustion process of pulverized coal injected into blast furnace involves a lot of physical and chemical reactions. Based on the combustion behaviors of pulverized coal, the conception of coal effective calorific value representing the actual thermal energy provided for blast furnace was proposed. A cost performance evaluation model of coal injection was built up for the optimal selection of various kinds of coal based on effective calorific value. The model contains two indicators： coal effective calorific value which has eight sub-indicators and coal injection cost which includes four sub-indicators. In addition, the calculation principle and application of cost performance evaluation model in a Chinese large-scale iron and steel company were comprehensively introduced. The evaluation results finally confirm that this novel model is of great significance to the optimal selection of blast furnace pulverized coal.

关 键 词：blast furnace pulverized coal injection effective calorific value cost performance evaluation model 

分 类 号：TF538.63[冶金工程—钢铁冶金]