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IRON ORE POWDER REDUCING DEVICE, MOLTEN IRON AND REDUCED IRON PRODUCING DEVICE AND METHOD FOR SAME
IRON ORE POWDER REDUCING DEVICE, MOLTEN IRON AND REDUCED IRON PRODUCING DEVICE AND METHOD FOR SAME
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机译：铁矿粉还原设备，熔融铁和还原铁生产设备及其方法
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摘要
A reduction apparatus and a reduction method of a fine iron ore are disclosed. The reduction apparatus of the fine iron ore according to the present invention includes: a granulated ore pre-reduction furnace into which the fine iron ore is charged to be pre-reduced by a reduction gas; an ultra-fine ore pre-reduction furnace into which an ultra-fine ore scattered in the granulated ore pre-reduction furnace to be discharged is charged to be pre-reduced; a first magnetic separator separating a gangue component from the ultra-fine ore reduced in the ultra-fine ore pre-reduction furnace and then discharged; at least one intermediate reduction furnace into which the granulated ore reduced in the granulated ore pre-reduction furnace to be discharged and the ultra-fine ore from which the gangue component is separated are charged to be further reduced and thus increase a reduction ratio of the granulated ore and the ultra-fine ore; and a final reduction furnace finally reducing the granulated ore and the ultra-fine ore reduced in the intermediate reduction furnace to be discharged to manufacture a reduced iron.
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