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唐小芳，赵文广，彭军，安胜利
( 内蒙古科技大学材料与冶金学院，内蒙古包头014010)
关键词: 含碳球团; 直接还原; 正交实验
中图分类号: TF521 文献标识码: A
摘要: 对于白云鄂博铁精矿进行了内配碳直接还原的研究，通过正交实验考察C/O、焙烧温度和H2 /CO 3 个因素对金属化率的影响．得出最优的实验方案: C/O 为1． 1，焙烧温度为950 ℃，H2 /CO 为3: 2．在最优实验方案下，球团金属化率可达89． 24%，还原度为91． 96%．
Study on the direct reduction of the pellets with carbon of Bayan Obo iron ore concentrate
TANG Xiao-fang，ZHAO Wen-guang，PENG Jun，AN Sheng-li
( Materials and Metallurgy School，Inner Mongolia University of Science and Technology，Baotou 014010，China)
Key words: pellets with carbon; direct reduction; orthogonal experiment
Abstract: The direct reduction of pellets with carbon of the Bayan Obo iron ore concentrate was carried out． The orthogonal experiments were adopted to examine the effect of the factor C/O， temperature and H2 /CO on the metallization rate． The optimum experimental program was obtained as follows: C/O is 1． 1， temperature is