Means for feeding solid combustible waste material to a furnace

Details Means for feeding solid combustible waste material to a furnace Means for feeding solid combustible waste material to a furnace

1979-05-16

1981-08-04

Gill, James J.

Furnaces

Straw burner and feeder

110255, 110109, F23B 700

Patent

active

042816033

ABSTRACT:
A furnace for burning solid waste material such as straw bales or wood shavings is fed automatically from a reservoir container through a pipe that leads into the bottom of the furnaces combustion chamber. The automatic feed may comprise a pusher sliding in the pipe under the action of a ram, or an auger. In either case, the pusher or auger largely blocks the pipe to prevent unwanted entry of air into the combustion chamber. The pusher is controlled by an element which senses flue temperature. The container outlet may include a ripping chain to break down the material and the pipe may include a fire extinguishing connection controlled by a heat sensor. The furnace is adapted for admitting controlled quantities of primary air and the hot incompletely burned gases of combustion pass to an after-burning chamber where secondary air is admitted.

REFERENCES:
patent: 847391 (1907-03-01), Woodmansee
patent: 1758146 (1930-05-01), Cross
patent: 3570421 (1971-03-01), Flowers
patent: 3855950 (1974-12-01), Hughes et al.
patent: 3964406 (1976-06-01), Partridge et al.

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