Gas separation – With nonliquid cleaning means for separating media – Solid agent cleaning member movingly contacts apparatus
Patent
1978-07-12
1981-06-23
Nozick, Bernard
Gas separation
With nonliquid cleaning means for separating media
Solid agent cleaning member movingly contacts apparatus
55242, 55257PV, 55DIG35, 165 89, 165 95, 126299E, B01D 4700
Patent
active
042748453
ABSTRACT:
An air-cleaning, heat-exchange apparatus includes a main housing portion connected by means of an air inlet fan to the kitchen exhaust stack of a restaurant. The apparatus includes an in-line series of three heat exchangers through which a heat-absorptive fluid is circulated, simultaneously, by means of a suitable fluid pump. These heat exchangers remove exhaust gas heat and further transfer this heat to a stream of air, such as that from a cold-air return duct. Due to the fact that the hot exhaust gas is heavily grease laden, grease will be deposited on virtually all internal surfaces of the apparatus which this exhaust gas contacts. The apparatus includes means for spraying exhaust gas contacted internal surfaces, as well as the hot exhaust gas itself, with a detergent solution in which the grease is soluble, thereby removing grease buildup from these internal surfaces. Although some of the grease will be drained off by a liquid carrier resulting from the spraying at a first stage, any remaining emulsified grease, detergent solution and moisture will be eliminated from its gaseous carrier by means of a mist eliminator which is located downstream from the first stage.
REFERENCES:
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patent: 1947863 (1934-02-01), Mahoney
patent: 3494108 (1970-02-01), Moragne
patent: 3522000 (1970-07-01), Kinney
patent: 3672128 (1972-06-01), Heffron
patent: 3762394 (1973-10-01), Newcomer
patent: 3827343 (1974-08-01), Darm
patent: 3837269 (1974-09-01), Sweet et al.
patent: 3921709 (1975-11-01), Feres
patent: 3983796 (1976-10-01), Ahlrich
patent: 4084745 (1978-04-01), Jones
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