Metallurgical apparatus – Means for treating ores or for extracting metals – By means applying heat to work – e.g. – furnace
Patent
1977-03-25
1978-01-31
Dost, Gerald A.
Metallurgical apparatus
Means for treating ores or for extracting metals
By means applying heat to work, e.g., furnace
266905, C21B 1106
Patent
active
040712290
ABSTRACT:
This invention relates to a vacuum rotatable tubular furnace for metallothermal reactions comprising an outer housing adapted to be evacuated and having one end thereof a closable filler cap, and a vacuum-tight passage for a shaft on the other end, rotatable tube means in said outer housing, said tube means being open on an end thereof facing said filler cap, and having a shaft connected to the other end of said tube and extending through said housing, a cylindrical reaction chamber mounted in said rotatable tube means symmetrically to the longitudinal axis of the latter, and being detachably connected thereto, said reaction chamber being narrowed on a filling end thereof to a tube having a small lumen and being closed at the other end thereof, a cylindrical evaporation chamber mounted in the area of the filling end of the reaction chamber and being adapted to contain metal effecting a metallothermal reaction, said evaporation chamber having an opening on an end thereof facing said filler cap, heating means on said rotatable tube means at least within the area of the cylindrical reaction chamber, means for evacuating the rotatable furnace, and drive means for rotating said rotatable tube means.
REFERENCES:
patent: 2915384 (1959-12-01), Walsh
Domazer Hans-Gunter
Eggert Horst
Bryan James E.
Dost Gerald A.
Th. Goldschmidt Ag
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