Furnaces – Including means to feed solid fuel – Movable grate
Patent
1986-10-21
1988-02-16
Favors, Edward G.
Furnaces
Including means to feed solid fuel
Movable grate
110165R, 110211, 110214, 126155, 126174, F23H 708, F23H 714
Patent
active
047247797
ABSTRACT:
An incinerator comprises a combustion chamber 1 having a hearth comprising a grid 2, a vibrator 17 for vibrating the grid, and ash removal means 9, 18 for collecting ash that falls through the grid. The grid normally consists of a series of parallel bars and, when the hearth is elongated, these bars normally extend along the length of the hearth. The ash removal means comprises an inclined trough 9 and a hopper 18. Ash may be removed as a slurry. The incinerator comprises a sub-stoichiometric chamber to which is supplied insufficient oxygen for complete combustion Vibration of the grid allows ash to fall through the hearth and to be collected in the trough without ash causing abrasion to the incinerator components to improve the rate of burning. A preferred sub-stoichiometric chamber is separated from an ignition zone for a secondary chamber by a partition that defines a jacket around the zone, whereby improved heat exchange and compactness is achieved.
REFERENCES:
patent: 3537410 (1970-11-01), Zanft
patent: 4379433 (1983-04-01), Huskinson
patent: 4452152 (1984-06-01), John et al.
patent: 4471704 (1984-09-01), John et al.
patent: 4491077 (1985-01-01), Petty et al.
patent: 4559882 (1985-12-01), Dobson
Dunn Kenneth S.
White John E.
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