Method of manufacturing metals and/or generating slag

Details Method of manufacturing metals and/or generating slag Method of manufacturing metals and/or generating slag

1985-04-05

1986-07-22

Rosenberg, Peter D.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

751305, C22C 3300

Patent

active

046017526

ABSTRACT:
Finely powdered oxidde ore is introduced (at 17) in a reactor (11), possibly together with slag-formers, and treated in three zones in the reactor. The material is preheated and possibly melted in an upper, oxidizing zone by the combustion of carbon monoxide and hydrogen gas from the middle zone below with a gas containing oxygen. In a middle zone consisting of a slag bath, the preheated and possibly melted oxide material at least partially reduced by the simultaneous injection of carbonaceous material and/or material containing hydrocarbon (15, 16) and thermal energy supplied primarily by means of gas heated in a plasma generator (14). Finally, the material is caused to sink into a lower zone at the bottom of the reactor, from where it is tapped intermittently, together with the slag, through a tapping aperture (19).

REFERENCES:
patent: 3157492 (1964-11-01), Matuschkovitz
patent: 4306903 (1981-12-01), Beggs
patent: 4396421 (1983-08-01), Stift

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