Method and apparatus for the high-temperature treatment of fine-

Details Method and apparatus for the high-temperature treatment of fine- Method and apparatus for the high-temperature treatment of fine-

1992-05-11

1994-02-01

Andrews, Melvyn J.

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

75707, 266182, C22B 1500

Patent

active

052828832

ABSTRACT:
A method and apparatus for high temperature treatment of particulate metal ore concentrate solids with a cyclone having a tangentially positioned burner directing a jet flame into the cyclone, an ore injecting nozzle positioned to inject a stream of ore with oxygen containing gas into the jet flame of the burner at a location at least one-third of the travel of the flame and into the hottest region thereof so that the particles are melted and do not abrasively impact the walls of the cyclone in an unmelted stage.

REFERENCES:
patent: 3759501 (1973-09-01), Foard
patent: 4665842 (1987-05-01), Bartsch et al.
patent: 4976776 (1990-12-01), Elvander et al.
patent: 5013355 (1991-05-01), Elvander et al.

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