Method and apparatus for exhausting gases from processing tank

Details Method and apparatus for exhausting gases from processing tank Method and apparatus for exhausting gases from processing tank

1998-04-21

2000-07-25

Ferensic, Denise L.

Ventilation

Workstation ventilator

137583, F16K 2400, B05C 1500

Patent

active

060930950

ABSTRACT:
An exhaust system for a liquid processing tank including an exhaust conduit provided in a cover closing the tank. The exhaust conduit communicates with an exhaust system externally of the tank and has an inlet port that is closed by a portion of the cover that is movable to an open position to allow access into the tank. Fumes or vapors from the liquid in the tank are removed through the inlet port and exhaust conduit to an external exhaust duct by suction produced in the exhaust system. When the movable portion of the cover is moved to its closed position closing the tank to allow processing of the liquid in the tank, the inlet port in the exhaust conduit is closed by the movable cover portion.

REFERENCES:
patent: 673078 (1901-04-01), Hadaway
patent: 3106927 (1963-10-01), Madwed
patent: 3712819 (1973-01-01), Field

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