提出了一种通过碳热还原法同时利用转炉污泥中的Fe和多种微量过渡金属元素(Mn、Cr、V和Ti)制备微合金化铁粉的方法，对影响产物组成的工艺参数进行了实验优化。结果表明：在还原温度1350℃、还原时间2h时，转炉污泥中铁的回收率达92%以上，所得微合金化铁粉含铁量97%以上，微量合金元素Mn、V、Cr、Ti总含量为1.788%，杂质元素含量为0.598%。所得微合金化铁粉可作为制备铁基复合材料的原料。%A route for simultaneous recovery of Fe and multiple transition metals (Mn, Cr, V and Ti) from converter sludge by carbothermic process to prepare microalloyed iron powder is proposed. The parameters influencing the constituents of the sludge-derived microalloyed iron powder, deoxidizing temperature and time, is optimized. The results indicate that the recovery rate of iron from the sludge is over 92%at 1350℃´2 h, and the micoalloyed iron powder with about 97 wt%Fe and 1.788 wt% alloying elements (Mn+Cr+Ti+V) is obtained, with impurity elements 0.598 wt%. Such a product can be used as a raw material for preparing the ferrous matrix composites.
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