METHOD AND APPARATUS FOR ROASTING OF MANGANESE ORE

摘要

A system and method configured for reducing MnO2 to MnO. The system and method provide post-combustion gases having at least 5% by volume CO to a pile of MnO2 ore. The post-combustion gases permeate throughout and envelope the pile of MnO2 ore thereby substantially precluding entry of atmospheric gas during the reduction of MnO2 to MnO. As a result, the need to manipulate the pile of MnO2 ore is substantially reduced or eliminated.

主权项

1. A system comprising:
a fuel/air distributor in fluid communication with a fuel/air delivery system, said fuel/air distributor having an upper surface, an outer perimeter and a central region encompassed by said outer perimeter; combustion ports providing fluid communication from an interior of said fuel/air distributor through said upper surface to the exterior of said fuel/air distributor, wherein the number of combustion ports per square foot is greater in said outer perimeter than within said central region; an ore pile carried by said fuel/air distributor; a slag layer positioned between said upper surface and said ore pile.