Apparatus for separating foreign matter from a gas with a heat e

Details Apparatus for separating foreign matter from a gas with a heat e Apparatus for separating foreign matter from a gas with a heat e

1981-04-13

1982-12-21

Nozick, Bernard

Gas separation

With nonliquid cleaning means for separating media

Solid agent cleaning member movingly contacts apparatus

55 92, 55238, 55222, 55456, 55DIG36, 55348, 126299E, 165156, 261 79A, B01D 5100

Patent

active

043647545

ABSTRACT:
A gas cleaning and heat transfer apparatus associated with a cooking hood assembly to separate foreign matter from gas moving through the hood assembly and transferring heat from the gas to a liquid. The apparatus has a plurality of gas cleaning and heat transfer units. Each unit has a heat conducting wall surrounding a tubular passage accommodating a plurality of helical elements that divide and direct the gas into separate helical gas streams. A spiral ribbed jacket having a liquid accommodating a chamber surrounds the cylindrical wall and directs the flow of a liquid in the chamber in a spiral path. The foreign matter is separated from the gas as it moves in the spiral path through the passage by the combined mechanisms of centrifugal force, adhesion, condensation, and impaction. The liquid surrounding the wall lowers the temperature of the gas adjacent the inside of the wall causing condensation of vapors carried by the gas on the wall. The condensation of vapors facilitates the collection of foreign matter on the wall. The collected foreign matter moves with the gas to an annular collecting member located adjacent the exit end of the wall. Clean gas flows through the annular collecting member.

REFERENCES:
patent: 1849815 (1932-03-01), Woodruff
patent: 2268386 (1941-12-01), Fisher
patent: 3235003 (1966-02-01), Smith
patent: 3286992 (1966-11-01), Armeniades et al.
patent: 3898428 (1975-08-01), Dye
patent: 3915679 (1975-10-01), Roach et al.
patent: 4038056 (1977-07-01), Diachuk et al.

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