Drying and gas or vapor contact with solids – Apparatus – With means to treat gas or vapor
Patent
1980-09-08
1982-04-27
Schwartz, Larry I.
Drying and gas or vapor contact with solids
Apparatus
With means to treat gas or vapor
34 32, 34 73, 34 15, 34 92, 99472, 99483, 426465, F26B 504
Patent
active
043263410
ABSTRACT:
Method and apparatus for drying moisture-containing material by use of a vacuum tank as disclosed. The tank is partially filled with cold liquid, such as water, and the material to be dried is supported in the tank above the liquid surface. Surface condensing means are located inside the tank adjacent the tank bottom in the cold liquid which condensing means has a combined vapor inlet-liquid overflow conduit through which vapor which evaporates from the material to be dried enters and through which liquid in the tank may overflow. Condensate and liquid overflow are removed from the condensing means as by pumping means. Air is evacuated from the tank as by first filling the tank with liquid while venting air therefrom, then pumping liquid from the tank through said condensing means. Moisture which rapidly evaporates from the material to be dried is condensed at the surface of the cold liquid and in said condensing means, for removal thereof by pumping through the outlet therefrom.
REFERENCES:
patent: 1427656 (1922-08-01), Tibbets
patent: 2505198 (1950-04-01), Moskowitz et al.
patent: 3132929 (1964-05-01), Thuse
Beckman Victor R.
Schwartz Larry I.
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