Method of separating foreign matter from a gas

Details Method of separating foreign matter from a gas Method of separating foreign matter from a gas

1982-09-30

1984-07-17

Nozick, Bernard

Gas separation

Means within gas stream for conducting concentrate to collector

55DIG36, 55222, 55238, 55269, 126299E, B01D 4700

Patent

active

044603860

ABSTRACT:
A hot gas cleaning and heat transfer method associated with a cooking hood assembly to separate foreign matter and liquids from gas moving through the hood assembly and transferring heat from the gas to a cooling liquid. A heat conducting wall surrounding a tubular passage accommodating a plurality of helical elements divide and direct gas into separate helical gas streams. The cooling liquid surrounds the wall to lower the temperature of the wall. Foreign matter, gas vapors, and liquids are separated from the hot gas into an annular sheath adjacent the heat conducting wall. The foreign matter, gas vapors, and liquid particles suspended in the gas are combined by mechanisms of centrifugal force, adhesion, condensation, and impaction. The gas vapors are condensed into liquid droplets. The liquid droplets, liquids, and foreign matter merge into a liquid film on the inside of the wall. This liquid film is moved down the wall and collected in an annular collecting member located adjacent the exit end of the wall. Clean gas flows through the annular collecting member to a desired location.

REFERENCES:
patent: 747641 (1903-12-01), Roderwald
patent: 767721 (1904-08-01), Swartwout
patent: 2341319 (1944-02-01), Graham et al.
patent: 3286992 (1966-11-01), Armenlades et al.
patent: 3915679 (1975-10-01), Roach et al.
patent: 4038056 (1977-07-01), Diachuk et al.
patent: 4284421 (1981-08-01), Howard
patent: 4364754 (1982-12-01), Diachuk

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