发明名称 |
IMPROVEMENTS IN OR RELATING TO METAL REFINING PROCESSES |
摘要 |
The invention provides a process for refining steel comprising the steps of blowing a refining gas at the upper surface of the melt contained in a refining vessel by means of an overhead lance; injecting a stirring or processing gas directly into the vessel below the surface level of the melt therein; and introducing carbon from above onto or through the upper surface of the melt in the refining vessel. |
申请公布号 |
DE3273158(D1) |
申请公布日期 |
1986.10.16 |
申请号 |
DE19823273158 |
申请日期 |
1982.06.17 |
申请人 |
BRITISH STEEL CORPORATION |
发明人 |
SPENCELEY, GENE DONALD;WELBOURN, BRIAN COCHRANE |
分类号 |
C21C5/34;C21C5/30;C21C5/35;C22B9/05;(IPC1-7):C21C5/32 |
主分类号 |
C21C5/34 |
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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