Furnaces – Process – Incinerating refuse
Patent
1980-10-06
1982-01-26
Favors, Edward G.
Furnaces
Process
Incinerating refuse
110186, 110193, 110255, 110257, 414187, 414196, F23G 500
Patent
active
043122795
ABSTRACT:
Converging upper and lower conveyors transport loose waste from a receiving hopper toward an incinerator combustion chamber entrance at an adjustably predetermined normal rate, cooperating to compact the waste into a continuous plug and to force the plug through a confining passageway extending from the conveyors to the incinerator entrance, thereby feeding the waste plug to the burning firebed in the combustion chamber at a steady rate for causing waste combustion therein at a generally steady rate while sealing the entrance thereto against incoming air and outgoing heat or fire. The upper conveyor is movable and selectively biased downwardly for waste compaction when the conveyors transport a predetermined normal quantity of waste; but the bias is removed upon transport of an abnormal quantity, and a fire door at the entrance and a firestop spaced therefrom in the passageway are closed on whatever waste may be thereunder for further local compression thereof while the conveyors are reversed to travel at a higher rate to clear themselves if they are transporting a greater than normal quantity and speeded up to travel at the higher rate in feeding direction if transporting a lesser than normal quantity. Transport toward the incinerator is resumed upon clearing, but at the higher rate. The firestop opens, and, thereafter the fire door opens and the normal transport rate resumes upon again transporting a normal quantity of waste. The fire door and firestop also close if the conveyors are shut down, and serve when closed to further seal off the incoming waste from the heat and fire in the incinerator.
REFERENCES:
patent: 2904195 (1959-09-01), Andersson et al.
patent: 3200776 (1965-08-01), Simpson
patent: 3380408 (1968-04-01), Rivers
patent: 3457882 (1969-07-01), Ryzika
patent: 3556025 (1971-01-01), Holley
patent: 3871286 (1975-03-01), Henriksen
Wilson C. Conway
Wilson James C.
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