Method of pyroprocessing mineral ore material

Details Method of pyroprocessing mineral ore material Method of pyroprocessing mineral ore material

1992-12-24

1993-09-28

Rosenberg, Peter D.

Specialized metallurgical processes, compositions for use therei

Processes

Consolidating metalliferous material by agglomerating,...

75527, 75649, C21C 702

Patent

active

052483304

ABSTRACT:
A method of pyroprocessing mineral ores. The method includes forming the mineral ore fines into small balls or pellets, drying and preheating the pellets and then subjecting the pellets to further heat with an oxidizing gas to substantially oxidize and indurate the pellets prior to discharging the pellets into a cooler. The essential equipment used in the process are machines such as a balling pan or drum for agglomerating the ore, a grate traveling through a furnace and a rotary kiln for transporting the pellets from the grate to a cooler. Also, means are provided to supply hot oxidizing gas to both the furnace and the kiln to heat the pellets. In addition, means are provided to supply an oxidizing gas beneath the tumbling bed of pellets in the kiln.

REFERENCES:
patent: 3206299 (1965-09-01), Senior
patent: 3313619 (1967-04-01), Decamps
patent: 4073646 (1978-02-01), Kryczun

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