Using sponge iron reduced by iron ore concentrate powder as raw material,the smelting process of pure iron is investigated through non vacuum induction furnace and vacuum induction furnace.

• 以由铁精矿粉直接还原出来的海绵铁为原料，以非真空感应炉和真空感应炉为冶炼设备，对纯铁的冶炼工艺进行了研究与试验。