Drying and gas or vapor contact with solids – Process – With contacting of material treated with solid or liquid agent
Patent
1977-11-21
1979-07-03
Krizmanich, George H.
Drying and gas or vapor contact with solids
Process
With contacting of material treated with solid or liquid agent
34184, F26B 1102
Patent
active
041595785
ABSTRACT:
A drying oven for drying materials which give off noxious fumes is disclosed. The drying oven comprises a drying chamber having a circular top wall and a downwardly depending sidewall which is closed off at its bottom by a bottom wall. The circular top wall has an exhaust port which is eccentric therewith. The sidewall has means for introducing dry gas into the drying chamber through an intake port which is located directly beneath the exhaust port. A doorway is also provided for allowing the introduction of the material to be dried into the exhaust chamber. There is no requirement that the doorway have elaborate pressure seals as the pressures within the chamber do not rise appreciably above ambient pressures due to the unique location of the exhaust port with reference to the location of the introduction of the dry air.
REFERENCES:
patent: 552667 (1896-01-01), Mote
patent: 1539778 (1925-05-01), Selph
patent: 1759179 (1930-05-01), Wiesman
patent: 3016627 (1962-01-01), Freund
patent: 3525161 (1970-08-01), Jesperson
Krizmanich George H.
Ray David L.
Spielman, Jr. Edgar E.
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