Furnaces – Process – Incinerating refuse
Patent
1980-03-31
1982-07-13
Favors, Edward G.
Furnaces
Process
Incinerating refuse
110257, F23G 512
Patent
active
043388698
ABSTRACT:
A combustion apparatus utilizing an auger having an integral air supply system. The apparatus includes a cylindrical combustion chamber containing a rotatable auger. Waste is delivered to one end of the combustion chamber and is conveyed through the chamber by the auger, and ash and the non-combustible residue is discharged from the opposite end while the waste gases are discharged through a cyclone separator to remove fly ash. The auger is composed of a tubular shaft and a hollow spiral flight. Air is introduced into the downstream end of the shaft and flows through the hollow flight and exits through outlet holes in the flight into the combustion chamber. A portion of the air is introduced into the mass of waste being conveyed by the auger to provide primary air for combustion, while a second portion of the air is discharged from the flight into the upper zone of the combustion chamber above the level of the waste, to provide secondary combustion of the waste gases.
REFERENCES:
patent: 3687094 (1972-08-01), Menigat
patent: 3942455 (1976-03-01), Wallis
patent: 4009667 (1977-01-01), Tyer et al.
patent: 4231304 (1980-11-01), Hoskinson
Favors Edward G.
Hoskinson Gordon H.
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