发明名称 |
Process for heat hardening |
摘要 |
A method is disclosed for reducing iron ore wherein spent reducing gas may be used as fuel in a reformer, and a portion of the reformer product is used as cooling gas in the bottom portion of the shaft furnace to lower the temperature of the reduced product in a controlled manner whereby the product is rendered more stable and thereby more suitable for storage and shipment.
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申请公布号 |
US4017305(A) |
申请公布日期 |
1977.04.12 |
申请号 |
US19750644249 |
申请日期 |
1975.12.24 |
申请人 |
UNITED STATES STEEL CORPORATION |
发明人 |
WASLO, STEPHEN |
分类号 |
C21B13/00;C21B13/02;(IPC1-7):C21B13/02 |
主分类号 |
C21B13/00 |
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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