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针对转炉渣还原贫化工业化应用过程中存在的问题提出详细解决方案,并结合现有的60 t转炉改造进行了渣还原贫化动力学条件优化和热平衡计算,根据计算结果提出了系统工程解决方案,针对渣还原工艺可能存在的其他问题进行描述,提出了针对性措施。主要参数如下:喷枪直径30 mm、喷枪角度14°、还原剂喷吹速率30 kg/min、保温期柴油油量135 L/h、还原期柴油油量500L/h,方案付诸实施并获得Fe3O4还原效率为62.9%、炉渣含铜平均降幅为63.5%的工业试验结果。
Aiming at the problems existing in the industrialization of reduction and depletion of converter slag, a detailed solution is put forward. Combining with the existing 60 t converter reforming, the optimization of kinetics of slag reduction and depletion and the calculation of thermal balance are put forward. Based on the calculation results, , Described the other problems that may exist in the slag reduction process and put forward the pertinent measures. The main parameters are as follows: spray gun diameter 30 mm, spray gun angle 14 °, reducing agent injection rate 30 kg / min, holding period diesel oil 135 L / h, reducing diesel oil quantity 500 L / h, Reduction efficiency of 62.9%, the average copper slag reduction of 63.5% industrial test results.