Evaluation of Four Coals for Blast Furnace Pulverized Coal Injection

查看全文 作　　者：Sh [1]Raygan;H [1]Abdizadeh;A Eskandari [1]Rizi

机构地区：[1]School of Metallurgy and Materials Engineering,University of Tehran

出　　处：《Journal of Iron and Steel Research(International)》索引2010年第17卷第3期,共6页

摘　　要：One of the effective methods of reducing coke consumption is pulverized coal injection. The most important problems encountered in this method are reduced permeability,unburned and high ash content. To select the best coal for injection,suitable tests can be used. Therefore,experiments such as proximate and ultimate analysis,Rock-Eval and combustion tests were performed on four kinds of coals from different mines,including Sarakhs,Sangrood,Karmozd,and Tabas. The results of proximate and ultimate analysis indicated that although the sulfur content and ash content of selected coals were a little high,they were suitable for coal injection. The results of combustion experiments and Rock-Eval tests showed that Karmozd coal was the best one to be injected into blast furnace. The result indicated that the mixing of coals could improve the combustion properties of pulverized coals. 关键词：喷吹煤高炉评价粉煤灰分含量燃烧试验焦炭消耗 eval

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Evaluation of Four Coals for Blast Furnace Pulverized Coal Injection

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