Method and apparatus for thermal treatment of materials containi

Details Method and apparatus for thermal treatment of materials containi Method and apparatus for thermal treatment of materials containi

1995-03-20

1997-01-21

Kamen, Noah P.

Heating

Work chamber having heating means

Work chamber having gaseous material supply or removal...

432 24, 110247, F27B 504

Patent

active

055954839

ABSTRACT:
Materials containing vaporizable substances are exposed successively in at least two treatment chambers (10, 13, 14), which can be closed off with respect to each other, to a series of decreasing pressures and increasing temperatures. The vaporizable substances are exhausted separately from each treatment chamber (10, 13, 14) and at least partially condensed and collected. The solid materials are discharged from the last treatment chamber (14). The treatment chambers (10, 13, 14) can be closed off against each other, against the atmosphere, and against any other units which may be connected to them downline (17, 18) by vacuum valves (11, 12, 115, 16) and are connected to vacuum lines (10a, 13a, 14a) in which condensers (10b, 13b, 14b) and vacuum pumps (10c, 13c, 14c) are installed.

REFERENCES:
patent: 4838476 (1989-06-01), Rahn

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