发明名称 |
METHOD OF OPERATING BLAST FURNACE |
摘要 |
<p>A first object of the present invention is to provide a method of operating a blast furnace which enables substantial improvement of gas permeability and liquid permeability for stable operation of the blast furnace, and a second object thereof is to provide a blast furnace which enables use of a low grade solid reducing agent to reduce a quantity of high quality coke used for operation of a blast furnace and furthermore enables injection of pulverized coal at a rate of 200 Kg/ton-pig or more. In the present invention, to achieve the objects described above, in operation of a blast furnace for manufacturing pig iron in which coke and ores are charged from the furnace top, a high strength block packed area is formed in a core section of the blast furnace. <IMAGE></p> |
申请公布号 |
EP0738780(A1) |
申请公布日期 |
1996.10.23 |
申请号 |
EP19950936113 |
申请日期 |
1995.11.07 |
申请人 |
KAWASAKI STEEL CORPORATION;SAKURAI, SYOUJI |
发明人 |
SAKURAI, SYOUJI;KAWAI, TAKANARI;FUJIMORI, HIROTOSHI;NAKAJIMA, YOSHIYUKI |
分类号 |
C21B5/00;C21B7/00;(IPC1-7):C21B5/00 |
主分类号 |
C21B5/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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