Furnace

Details Furnace Furnace

1982-02-11

1983-06-14

Yuen, Henry C.

Furnaces

With fuel treatment means

Preliminary refuse treatment means

110259, 34167, 414213, F23G 504

Patent

active

043876528

ABSTRACT:
Pieces of shredded tires are fed into the top of a vertical pyrolyzing furnace in a measured amount using a weighing hopper feed mechanism. Heated gas is introduced through inlet and pyrolyzing the tire pieces on a countercurrent flow principle to produce useful hydrocarbon volatiles and residues. The pyrolyzed residue including tire reinforcing wires are efficiently removed from the furnace by a plurality of downwardly inclined screw conveyors disposed in troughs. Each screw conveyor extends into an inclined conduit and discharges into a vertical branch conduit disposed at least partially within the cross-section of the furnace so that even discharge of the pyrolyzed residue is ensured by the combined action of gravity and the screw conveyors.

REFERENCES:
patent: 2297289 (1942-09-01), Collis et al.
patent: 2748497 (1956-06-01), Berg et al.
patent: 3365812 (1968-01-01), Borrow
patent: 3704011 (1972-11-01), Hand et al.
patent: 3861333 (1975-01-01), Krumm
patent: 4030984 (1977-06-01), Chambers
patent: 4186668 (1980-02-01), Tabel
patent: 4203374 (1980-05-01), Frederick
patent: 4212114 (1980-07-01), Wentzel

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