Vertical furnace

Details Vertical furnace Vertical furnace

1988-06-23

1989-06-06

Favors, Edward G.

Furnaces

Combined

With boiler

110118, 110256, 110293, 122 30, 126 68, 126 73, F23B 700

Patent

active

048361151

ABSTRACT:
A down-draft, gravity fed, bio-mass, solid fuel burning stove or furnace comprises an upright cylindrical housing having a top cover and a fire resistant openable air-tight floor. Fuel drops onto the center of the floor through a central feed tube where it burns in the form of a truncated conical pile. A second tube surrounds the feed tube, defining with it an annular air intake passage for discharging an annular current of air downwardly on the burning fuel. A heat exchanger surrounds the housing and its inner wall defines with the housing a smoke passage for upward escape of the hot gases of combustion. Heat from the smoke passage heats the contents of the heat exchanger. A baffle in the smoke passage enhances heat transfer. The central tube and cover are removable as a unit.

REFERENCES:
patent: 392899 (1888-11-01), Williams
patent: 4413571 (1983-11-01), Hill et al.

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