钢铁工业的迅猛发展,使高品位块状铁矿石的供应渐感困难。低品位矿石经浮选或磁选后的精矿粉粒度极细,矿石的机械化开采也使粉矿产率增加。因此,粉状铁矿及细磨铁精矿的造块问题,日益受到人们的重视。利用高温之下形成的液相,而把松散的矿粉固结在一起的烧结与高温焙烧球团,已有效地应用于工业生 The rapid development of the steel industry has made it increasingly difficult to supply high-grade massive iron ore. Low-grade ore by flotation or magnetic separation after the fineness of fine ore powder, mineral mechanization mining also increased the yield of fines. Therefore, the powdery iron ore and fine grinding iron concentrate building block, more and more people’s attention. Utilizing the liquid phase formed at high temperatures, the sintering and high temperature roasting pellets, which hold loose mineral powders together, have been effectively used in industrial applications