发明名称 |
Metal refining method using differing refining oxygen sequence |
摘要 |
A metal refining method particularly useful with a basic oxygen steelmaking process, wherein during an initial period, refining oxygen is provided into the furnace headspace surrounded by a shroud comprising oxygen and inert gas, and during a subsequent period refining oxygen is provided into the furnace headspace surrounded by a flame shroud.
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申请公布号 |
US6432163(B1) |
申请公布日期 |
2002.08.13 |
申请号 |
US20010886279 |
申请日期 |
2001.06.22 |
申请人 |
PRAXAIR TECHNOLOGY, INC. |
发明人 |
SARMA BALU;SELINES RONALD JOSEPH;ANDERSON JOHN ERLING;MAHONEY WILLIAM JOHN |
分类号 |
C21C5/30;C21C5/32;C21C5/46;C21C5/52;C21C7/04;C21C7/068;(IPC1-7):C21C5/32 |
主分类号 |
C21C5/30 |
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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