The effects of binder and damp mill on green balls,the process for preheated pellets with high strength and easy reduction,and coal-based direct reduction iron(DRI) were studied.

• 以新疆磁铁精矿为原料,采用“一步法”直接还原,研究粘结剂种类和润磨方式对生球质量的影响,高强度、高还原性预热球团的制备及煤基直接还原的工艺。