Vacuum separator

Details Vacuum separator Vacuum separator

1982-04-23

1983-09-13

Andrews, M. J.

Metallurgical apparatus

With means treating or handling gases exhausted by treating...

By condensing and collecting a volatile constituent

373110, 75 10R, 75 84, F27B 504

Patent

active

044037694

ABSTRACT:
In a vacuum separator for refractory metal from magnesium metal and magnesium chloride mixed therewith, comprising: a vertically elongated substantially cylindrical retort having, inside, a closed space, a lower section of which is capable of accommodating such mixture to be treated as held in a container and is provided with a heating means to evaporate the magnesium metal and magnesium chloride to a substantial part, and an upper section of which has a cooling means to provide, inside, a cylindrical face for condensing thereon magnesium metal and magnesium chloride which ascend as vapor, and a means for degassing the retort to an elevated level of vacuum, an improvement such that a heat shield unit is provided at an intermediate level between said upper and lower sections of the retort, said heat shield unit comprising, as a whole, opening so arranged as to block any direct sight of the surface of the retort lower section when holding the container from a substantial part of the condensation face in the upper section, thus intercepting a substantial part of primary heat radiation from the retort lower section, while allowing passage of ascending vapor

REFERENCES:
patent: 2391156 (1945-12-01), Hansgirg
patent: 2404328 (1946-07-01), Turin et al.
patent: 3684264 (1972-08-01), Petrov et al.

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