Fluidized bed furnace

Details Fluidized bed furnace Fluidized bed furnace

1981-12-17

1984-01-24

Camby, John J.

Heating

With heating gas conveying, agitating, scattering or...

110245, 431170, F27B 1500, F23D 1900, F23G 500

Patent

active

044273754

ABSTRACT:
In a calcining furnace usable particularly for regenerating sands used in casting boxes and cores, a bed of refractory particles is fluidized by means of a combustible gas which is fed into the bed together with air, so as to enable the combustible gas to burn. The base wall on which the bed of refractory particles is supported has a plurality of holes for the air supply. Each hole for the air supply has associated therewith a nozzle for supplying the combustible gas, disposed coaxially with the respective hole and having at least one discharge aperture for the combustible gas disposed adjacent the plane of the base plate.

REFERENCES:
patent: 4148437 (1979-04-01), Barker et al.
patent: 4309948 (1982-01-01), Zielinski
patent: 4311278 (1982-01-01), Sutton

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