发明名称 |
Method for producing ferro-alloys |
摘要 |
An improved method and apparatus for producing ferro-alloys from ore in which an ore is first mixed with a solid reducing agent, preheated and pre-reduced in a rotary kiln, and smelted in an electric furnace, in which the pre-reduced ore is heated by a burner provided in the electric furnace where it is also reoxidized. The ore is also heated in the rotary kiln by recycled gas.
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申请公布号 |
US4156102(A) |
申请公布日期 |
1979.05.22 |
申请号 |
US19760734094 |
申请日期 |
1976.10.20 |
申请人 |
METALLURGIQUE LE NICKEL (SLN) S A |
发明人 |
MAINOT, CHRISTIAN;ROBERT, ALAIN;TOTH, IMRE |
分类号 |
C21C5/52;C22B5/10;C22C33/04;(IPC1-7):F27D13/00;H05B7/00 |
主分类号 |
C21C5/52 |
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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