Furnaces – Process – Burning pulverized fuel
Patent
1980-09-23
1983-08-30
Favors, Edward G.
Furnaces
Process
Burning pulverized fuel
110218, 110263, 110326, 110345, 431353, F23D 100
Patent
active
044010397
ABSTRACT:
A fuel, such as coal, is prepared by mixing with a petroleum product and possibly other materials to form a grease-like substance. In a motionless mixer the grease-like substance is combined with air to form a foam-like dispersion of fuel and air. Such foam-like dispersion is delivered substantially continuously to a combustion chamber for combustion thereat. The combustion chamber is relatively closed and has means cooperative with the foam-like dispersion and the pressure of expanding gases of the combustion process to impede flow of the foam-like dispersion therein; consequently the foam-like dispersion is maintained at a pressure head to maintain the air dispersion therein. The speed and heat of combustion may be controlled by controlling flow rate or pressure of the foam-like dispersion. Means are provided for reducing pollutants and for efficiently transferring heat out from the combustion chamber.
REFERENCES:
patent: 3133527 (1964-05-01), Mizer
patent: 3266725 (1966-08-01), Garrison et al.
patent: 3799734 (1974-03-01), Bailey
patent: 3941552 (1976-03-01), Cottell
patent: 4021191 (1977-05-01), LaHaye
patent: 4057021 (1977-11-01), Schoppe
patent: 4178349 (1979-12-01), Wienert
patent: 4195779 (1980-04-01), Auclair et al.
patent: 4258017 (1981-03-01), Gelfand
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