电炉炼钢会产生大量的电炉粉尘,多数钢铁厂把粉尘仅简单处理后填埋,造成环境和资源的双重压力.然而电炉粉尘中的铁、锌元素含量较高,具有较高的回收利用价值.针对电炉粉尘中铁锌分离、回收金属锌的可行性进行了理论分析,进而试验研究了焙烧温度、焙烧时间、不同碳/氧比对铁锌分离的影响.结果表明,当碳/氧比为1.2,焙烧温度1 100℃,还原时间10min,可以得到金属化率为84.95%的球团,并且收集到金属锌.
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