| 摘要 |
<p>A method for charging blast furnace raw material into a blast furnace, comprising, when charging blast furnace raw material including coke and ore material such as sintered ore, pellet, or lump ore into the blast furnace using a rotating chute: charging 60 mass% to 75 mass% of a total amount of coke into the blast furnace in the form of a mixed layer of coke and ore material, while allowing the remaining 25 mass% to 40 mass% of coke to remain as a coke slit. The method advantageously addresses the concern that gas permeability may deteriorate when charging ore material and coke in the form of a mixed layer into the blast furnace.</p> |
