Method and apparatus for retrieving metallic vapor in the liquid

Details Method and apparatus for retrieving metallic vapor in the liquid Method and apparatus for retrieving metallic vapor in the liquid

1983-05-10

1984-12-18

Rosenberg, Peter D.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 63, 75 67R, C22B 700

Patent

active

044889046

ABSTRACT:
A mixture gas containing metallic vapor with oxidizing gas produced by reducing of the oxide of the metal at high temperature is led, at a high enough temperature and a low enough pressure for the reverse oxidization reaction between them to not substantially take place, into a convergent-divergent nozzle, and squirts out from the nozzle, as cooled down rapidly by adiabatic expansion in the nozzle to a low enough temperature for the oxidization reaction between them to not substantially take place, to be led to the surface of a pool of molten retrieving metal, either directly or via deceleration. The retrieving pool metal may be the same kind as the metallic vapor to be retrieved, or may be different. When the metallic vapor to be retrieved is magnesium vapor, the retrieving metal of the different kind may be lead, bismuth, tin, antimony, or a mixture thereof.

REFERENCES:
patent: 3634067 (1972-01-01), Klein
patent: 4140523 (1979-02-01), Haddad
patent: 4204860 (1980-05-01), Kibby
patent: 4396424 (1983-08-01), Yatsunami

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