VERFAHREN UND VORRICHTUNG ZUR REDUKTION VON METALLOXID ENTHALTENDEM MATERIAL.
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
DE68909047(T2)
申请公布日期
1994.03.03
申请号
DE1989609047T
申请日期
1989.03.29
申请人
A. AHLSTROM CORP., NOORMARKKU, FI
发明人
ELVANDER, HANS, S-252 40 HELSINGBORG, SE;MALMSTROEM, ROLF, SF-00200 HELSINGFORS (HELSINKI), FI