Furnaces – Fuel feeders – Feeder responsive to fuel bed height
Patent
1985-01-29
1986-06-10
Bennett, Henry
Furnaces
Fuel feeders
Feeder responsive to fuel bed height
110102, 110293, 110267, F23K 314
Patent
active
045936285
ABSTRACT:
A particulate material fired convection heating unit including a combustion chamber, a shaped flue duct, and a fan means to draw therefrom gases and draw them through at least one convector pipe before the flue gases return and pass to a flue to be allowed to escape to atmosphere. The firebox has in association therewith a duct through which the flue gases are drawn to a free standing convector unit in which the convector pipes are situated and around which ambient air circulates to be heated to thereby heat an area in which the convector unit is situated. In an industrial, horticultural and agricultural situation the heating unit can be associated with a firebox of a particulate coal, wood, woodwaste or oil fired boiler or burner. The free standing convector unit thereof can be sited in a glasshouse or factory so that heat convected therefrom heats the ambient air in which the convector unit is sited. A fuel feeding apparatus includes a storage unit having an inflatable liner on the base thereof, a feed tube connected between the storage unit and a fuel supply chamber which feeds fuel to the combustion chamber, and a suction device connected by tubes to the fuel supply chamber for drawing fuel and air from the storage unit through the feed tube to the fuel supply chamber and suction device from which the air exits to atmosphere.
REFERENCES:
patent: 940567 (1909-11-01), Wales
patent: 3865053 (1975-02-01), Kolze et al.
patent: 3999710 (1976-12-01), Kemmerer
patent: 4517903 (1985-05-01), Richmond et al.
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