发明名称 |
METHOD AND APPARATUS FOR REDUCTION OF MATERIAL CONTAINING METAL OXIDE |
摘要 |
<p>A method and apparatus for producing, in a reactor, a suitable prereduced product for final reduction from material containing metal oxide. The material is preheated in a fluidized bed by means of hot gases from a subsequent prereduction stage. The hot material is smelted and prereduced in a flame chamber utilizing hot reducing gases from a subsequent final reduction stage. The prereduced material is completely reduced in the final reduction stage.</p> |
申请公布号 |
EP0422004(B1) |
申请公布日期 |
1993.09.08 |
申请号 |
EP19890903745 |
申请日期 |
1989.03.29 |
申请人 |
A.AHLSTROM CORPORATION |
发明人 |
ELVANDER, HANS;MALMSTROEM, ROLF |
分类号 |
C21B11/02;C21B13/00;C21B13/02;C21B13/14;C22B5/10;C22B5/14 |
主分类号 |
C21B11/02 |
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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