火法铜渣改质还原提铁试验研究

Mining and Metallurgical Engineering(2019)

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Abstract
为有效回收铜渣中有价金属铁,模拟链篦机?回转窑工艺对火法铜渣进行了提铁试验研究.结果表明,含铁量为40.2%的铜渣,配加2%的B型添加剂,成球性能良好,且生球指标在碱度适宜条件下优良;采用模拟链篦机?回转窑工艺进行造球、熔炼试验,在碱度1.2、配碳量为理论碳当量的1.5倍、1450℃下熔炼50 min,可以获得还原率79.7%、铁品位90.6%的二次铁资源.
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