Metallurgical apparatus – Means for melting or vaporizing metal or treating liquefied... – By means introducing treating material
Patent
1991-04-29
1992-10-27
Andrews, Melvyn J.
Metallurgical apparatus
Means for melting or vaporizing metal or treating liquefied...
By means introducing treating material
266235, C22B 905
Patent
active
051587378
ABSTRACT:
A gas distributor for an apparatus for refining molten metal, the distributor being positionable in a vessel with a heat source for heating the metal and inlets and outlets for metal and gases. The distributor includes a stationary unit and a rotating unit, with the rotating unit including a rotor carried on the lower end of a shaft rotatably positioned within the stationary unit, and with the stationary unit including a stator carried at the lower end of a sleeve, with the rotor having a frusto-conical upper surface and the stator having a mating frusto-conical lower surface with an outward gas flow path between the mating surfaces into the vessel. Also, a gas flow path is provided into the vessel downward from the lower end of the rotating unit. Further the stator and rotor have vanes at the outer surfaces thereof defining oblique channels which converge in the downward direction, with the rotor diameter preferably greater than the stator diameter.
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patent: 4867422 (1989-09-01), Duenkelmann
Altec Engineering, Inc.
Andrews Melvyn J.
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