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| Discussion on Reasonable Operation of BF With Oxygen Enriched Blast |
| WU Shengli,CHEN Hui,HU Xiaoming |
| University of Science and Technology Beijing, School of Metallurgical and Ecological Engineering, Beijing 100083， China |
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Abstract Operation of blast furnace with oxygen enriched blast can be generalized in three modes, such as blast with stable air flowrate,blast with stable gas flowrate in bosh and blast with stable pressure drop in BF.For large blast furnaces,the change of main operation parameters are analyzed and gas channels in high temperature and lower part of blast furnace are discussed for three modes.The results show that gas flow can be wellproportioned distributed in hearth, and effective quantity of gas channels increased under oxygenenrichment operation with stable air flowrate,thus oxygenenrichment operation with stable air flowrate is an effective way for improving the productivity of blast furnace.
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Received: 01 January 1900
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2007, Vol. 42 
