发明名称 |
PROCESS FOR PRODUCING HOT BRIQUETTE IRON USING HIGH-TEMPERATURE REDUCED IRON, AND METHOD AND APPARATUS FOR TEMPERATURE CONTROL OF REDUCED IRON FOR HOT FORMING FOR THE PROCESS |
摘要 |
<p>The present invention provides a method capable of producing good hot-briquette iron using high-temperature reduced iron discharged at a high temperature from a reducing furnace such as a rotary hearth furnace. The method includes a temperature control step of cooling the high-temperature reduced iron and controlling the temperature of the reduced iron to an appropriate hot-forming temperature of over 600°C and 750°C or less, and a step of producing hot briquette iron by hot-forming the high-temperature reduced iron of the appropriate hot-forming temperature with a briquetting machine. The temperature control step includes substantially horizontally holding a rotating drum having a feed blade spirally provided on the inner periphery thereof, charging the high-temperature reduced iron in the rotating drum and passing it through the rotating drum by rotating the rotating drum while maintaining the inside of the rotating drum in a non-oxidizing atmosphere with inert gas, and cooling the outer peripheral surface of the rotating drum by contact with a cooling fluid during the passage of the high-temperature reduced iron through the rotating drum to indirectly cool the reduced iron so that the temperature of the reduced iron is the appropriate hot-forming temperature.</p> |
申请公布号 |
EP2210960(A4) |
申请公布日期 |
2010.10.27 |
申请号 |
EP20080832227 |
申请日期 |
2008.09.05 |
申请人 |
KABUSHIKI KAISHA KOBE SEIKO SHO |
发明人 |
TSUTUMI, HIROFUMI;MIYAKAWA, YUTAKA |
分类号 |
C21B13/10;C22B1/24;C22B1/248;C22B1/26;F27B7/06;F27B7/36;F27B7/38;F27B7/42;F27D7/06;F27D9/00;F27D19/00 |
主分类号 |
C21B13/10 |
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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