发明名称 |
Blast furnace having a cooling device |
摘要 |
A blast furnace having a cooling device between its hearth bottom and its foundation. The cooling device includes top and bottom groups of cooling fluid passages with a heat-insulating layer disposed therebetween, the top and bottom groups having independently regulable cooling capacities. Also provided is a method for operating a blast furnace including the steps of measuring a temperature in the hearth bottom, and controlling the cooling of the hearth bottom so that the specification point of the molten product in the hearth bottom maintains a predetermined level.
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申请公布号 |
US4377277(A) |
申请公布日期 |
1983.03.22 |
申请号 |
US19800174445 |
申请日期 |
1980.08.01 |
申请人 |
NIPPON STEEL CORPORATION |
发明人 |
MISAWA, JUNZI;WAKURI, SHINJIRO;ANAN, KUNIYOSHI |
分类号 |
C21B7/10;(IPC1-7):C21B7/10 |
主分类号 |
C21B7/10 |
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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