铁矿石(天然矿和人造富矿)、燃料和熔剂是高炉冶炼的主要原料。众所周知,原料是炼铁生产的物质基础。也就是必须要求原料既有良好的量量,又有充足的数量;二者缺一不可。原料质量不好,高炉过程就做不到稳定顺行;而原料数量不足,则不能保证高炉正常连续生产。优质的原料对冶炼过程和冶炼效果都有极好的影响。我国高炉生产实践表明,无论大、中、小型高炉,采用“精料、大风、高温、喷吹燃料”的操作方针是达到高产、优质、低耗的基本途径。“精料”则是第一位 Iron ore (natural and man-made), fuels and fluxes are the main raw materials for blast furnace smelting. As we all know, the raw material is the material basis of ironmaking. That is, raw materials must be required both in good quantity and in sufficient quantity; both must be indispensable. Poor quality of raw materials, the blast furnace process can not be stable and forward; and the lack of raw materials, you can not guarantee the normal continuous production of the blast furnace. High-quality raw materials have an excellent effect on the smelting process and smelting effect. Blast furnace production practice in our country shows that the operating principle of “fine material, gale, high temperature and fuel injection” is the basic way to achieve high yield, high quality and low consumption, no matter large, medium or small blast furnace. “Concentrate” is the first one