发明名称 |
Method for manufacturing steel through smelting reduction. |
摘要 |
<p>A method for manufacturing molten steel wherein iron ore and coal are continuously supplied onto molten metal (2) containing carbon of 1% or less while blowing oxygen gas is being introduced onto the molten metal through a lance (4). Simultaneously with this operation, stirring gas is being introduced into the molten metal at a rate of 0.05 to 0.5 Nm<3>/min/ton of molten metal through a tuyere (5). The slag and the molten steel produced, is continuously or periodically discharged from tapping hole (6).</p> |
申请公布号 |
EP0290650(A1) |
申请公布日期 |
1988.11.17 |
申请号 |
EP19870106920 |
申请日期 |
1987.05.13 |
申请人 |
NIPPON KOKAN KABUSHIKI KAISHA |
发明人 |
OZEKI, AKICHIKA PATENT & LICENCE AND QUALITY;YAMADA, KENZO PATENT & LICENCE AND QUALITY;IWASAKI, KATSUHIRO PATENT & LICENCE AND QUALITY |
分类号 |
C21C5/28;C21B11/00;C21B13/00;C21C5/32;C21C5/34;C21C5/35 |
主分类号 |
C21C5/28 |
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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