The advantages of iron ore-coal pellets covered with iron-concentrate shell are discussed.
论述了矿煤球团用铁精矿及添加剂包壳的优点。
The former technique is used for reducing the excessive moisture of coking coal in case a larger proportion of flotation concentrate is blended.
炼焦煤调湿技术是针对炼焦煤中掺有比例较大的浮选精煤而导致水分过高所采取的降水调湿手段；
This paper shows recent technological progress of blast furnace on concentrate, pulverized coal injection etc.
论述了当前中国高炉炼铁在精料、喷煤等方面的技术进步；
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