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.
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
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