1983-06-10
1984-05-29
Favors, Edward G.
Furnaces
Combined
110110, 110162, 110165R, 110260, F23B 700
Patent
active
044507763
ABSTRACT:
A firebox has a liquid or gaseous burner and also a solid fuel grate assembly associated with a solid fuel inlet above the grate assembly for dropping solid fuel particles thereon. The grate assembly includes upper and lower bar type members and an intermediate member of expanded metal. A blower is mounted under the grate assembly and in combination with the latter provides an even pressurized draft for burning solid fuel particles. A sweeping bar on side runs is capable of sweeping clinkers and ashes from the grate assembly. A bottom auger receives the clinkers and ashes and carries them out of the firebox. A forced air inlet directs a flow of air down on the solid fuel inlet to prevent combustion gases from traveling reversely through the solid fuel inlet. A heat exchange chamber includes a plurality of reversely turned tubes arranged in a plurality of paths and connected by end housings capable of removal for inspection and cleaning. The solid fuel is fed to the furnace by a metering unit for use in combination with blowers to achieve maximum efficiency of the furnace.
REFERENCES:
patent: 974322 (1910-11-01), Wells
patent: 1929424 (1933-10-01), Heaton
patent: 2286519 (1942-06-01), Torr
patent: 3756201 (1973-09-01), Williams
patent: 3926173 (1975-12-01), Jury
patent: 4017254 (1977-04-01), Jones
patent: 4078541 (1978-03-01), Roycraft
patent: 4080932 (1978-03-01), Northcote
patent: 4201187 (1980-05-01), Skow
patent: 4253407 (1981-03-01), Larson
Eckelman Eugene M.
Favors Edward G.
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