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竖炉球团工艺对于单一磁铁精矿比较适应,但对赤铁矿、褐铁矿等很难适应。随着大红山铜矿优质磁铁精矿原料的供应量萎缩,外采购非磁铁精矿原料——赤铁矿、硫酸渣矿和褐铁矿比例的逐步增加,竖炉球团工艺对原料的局限性明显凸现,从很大程度制约了生产。在原料多元化条件下,引入包容式固结焙烧的研究,对指导竖炉球团生产具有实际意义。
Shaft furnace pellet process more suitable for a single magnetite concentrate, but hematite, limonite and so difficult to adapt. With the shrinking supply of raw materials for high-quality magnetite concentrates in Dahongshan Copper Mine, the proportion of raw materials for non-magnetite concentrates-hematite, sulfuric acid slag ore and limonite, has gradually increased, Obvious limitations highlight, from a large extent, restricted the production. In the diversification of raw materials, the introduction of inclusive consolidation roasting research, to guide the shaft furnace pellet production of practical significance.