Furnaces – Utilizing powdered fuel – Having rotary flow means
Patent
1985-11-05
1987-02-24
Favors, Edward G.
Furnaces
Utilizing powdered fuel
Having rotary flow means
110347, 239405, 239406, 2394245, 239558, F23D 102
Patent
active
046448780
ABSTRACT:
A carbonaceous material-water slurry burner includes a high pressure tip-emulsion atomizer for directing a carbonaceous material-water slurry into a combustion chamber for burning therein without requiring a support fuel or oxygen enrichment of the combustion air. Introduction of the carbonaceous material-water slurry under pressure forces it through a fixed atomizer wherein the slurry is reduced to small droplets by mixing with an atomizing air flow and directed into the combustion chamber. The atomizer includes a swirler located immediately adjacent to where the fuel slurry is introduced into the combustion chamber and which has a single center channel through which the carbonaceous material-water slurry flows into a plurality of diverging channels continuous with the center channel from which the slurry exits the swirler immediately adjacent to an aperture in the combustion chamber. The swirler includes a plurality of slots around its periphery extending the length thereof through which the atomizing air flows and by means of which the atomizing air is deflected so as to exert a maximum shear force upon the carbonaceous material-water slurry as it exits the swirler and enters the combustion chamber. A circulating coolant system or boiler feed water is provided around the periphery of the burner along the length thereof to regulate burner operating temperature, eliminate atomizer plugging, and inhibit the generation of sparklers, thus increasing combustion efficiency. A secondary air source directs heated air into the combustion chamber to promote recirculation of the hot combustion gases within the combustion chamber.
REFERENCES:
patent: 3280882 (1964-10-01), Hemker
patent: 3299841 (1965-10-01), Hemker et al.
patent: 4223615 (1980-09-01), Breen et al.
patent: 4350103 (1982-09-01), Poll
patent: 4379689 (1983-04-01), Morck, Jr.
patent: 4519322 (1985-05-01), Lindstrom et al.
patent: 4558652 (1985-12-01), Downs et al.
patent: 4569295 (1986-02-01), Skoog
6th International Symposium on Coal Slurry Combustion & Technology; 6-84, Program to Develop Anthracite Coal-Liquid Mixtures; Borden et al.; pp. 751-755.
6th International Symposium on Coal Slurry Combustion; 6-84; Combustion of Coal-Water etc. in a Firetube Boiler; Fu et al.
5th International Symposium on Coal Slurry Combustion & Technology; 1983; Coal Slurry Characteristics of Bituminous & Korean Anthracite; Kim et al.
4th International Symposium on Coal Slurry Combustion; 1982; Coal Oil Mixture Utilization in Small Industrial & Commercial Boilers; Savage et al.
Nodd Dennis G.
Walker Richard J.
Favors Edward G.
Glenn Hugh W.
Gottlieb Paul A.
Hightower Judson R.
The United States of America as represented by the United States
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