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为什么炼铁时用烧结,球团,块矿,而不直接用粉矿
高炉原料(铁矿石:天然块矿、烧结矿、球团矿、熔剂)是高炉冶炼的物质基础,精料是高炉操作稳定顺行,获得高产、、低耗及长寿的基本保证。目前,大、中型高炉炼铁生产基本上都使用高碱度烧结矿+酸性球团矿+块矿或高碱度烧结矿+酸性球团矿的炉料结构。
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