THERMAL REDUCTION APPRATUS AND REFRACTORY WALL FOR THE SAME

摘要

The present invention provides an apparatus for thermal reduction of metal, preventing vapor from being reduced from penetrating target material for reduction through an air hole of a surface to be condensed and comprising: a preheating part preheating the target material for reduction; a reduction part connected to the preheating part and allowing a thermal reduction reaction of the target material for reduction to occur therein; a cooling part connected to the reduction part and allowing the target material for reduction to be introduced and discharged to the outside; a first gate valve installed between the preheating part and the reduction part; a second gate valve installed between the reduction part and the cooling part; a condenser connected to the reduction part and condensing metallic vapor. The fireproof wall of the reduction part, which forms the body of the reduction part, comprises: a fireproof material forming the inner surface and made of graphite material to block reaction with metallic vapor; an insulating material for securing insulation; an outer cover forming an the outer surface and made of steel material; and a metal plate laminated between the fireproof material and an outer cover to block movement of the metallic vapor.