|About this Abstract
||2017 TMS Annual Meeting & Exhibition
||8th International Symposium on High Temperature Metallurgical Processing
||Investigation on Coal Combustion Behaviors under the Oxygen Blast Furnace
||Zhenfeng Zhou, Yuanyuan Zhang, Guang Wang, Jingsong Wang, Qingguo Xue
|On-Site Speaker (Planned)
The oxygen blast furnace was a new technology of ironmaking, and the oxygen and CO2-stripped blast furnace top gas were blown into the blast furnace replacing the conventional hot air. The oxygen blast furnace could reduce the consumption of coke and emission of carbon dioxide. In this paper, a three-dimensional numerical model was developed to simulate the lance-blowpipe-tuyere-raceway region of a blast furnace, and the flow and combustion behaviors of coal particles were investigated based on an oxygen blast furnace. Compared with the traditional blast furnace, the combustion characteristic in the raceway of the oxygen blast furnace was different. In addition to the combustion of coal and coke, the combustion of large amount of reducing gas was included. The coal combustion of different oxygen content (70%、80%、90%、100%) and coal ratio were investigated.
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