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本文对铁矿石中铅、锌、铁在回转窑中的还原行为作了简要热力学分析,并介绍了实验室实验结果.试验表明,在合理选择还原温度、配煤量和还原时间的条件下,矿石中铅脱除率和矿石金属化率可达90%左右,锌脱除率可达80%以上.
In this paper, a brief thermodynamic analysis of the reduction behavior of lead, zinc and iron in a rotary kiln has been made, and the experimental results of the laboratory have been introduced.The results show that under the condition of reasonable choice of reduction temperature, coal blending rate and reduction time , The ore lead removal rate and ore metallization rate of up to 90%, zinc removal rate of up to 80%.