Removal of ash from fluidized beds

Details Removal of ash from fluidized beds Removal of ash from fluidized beds

1978-05-01

1980-08-19

Favors, Edward G.

Furnaces

Ash receiving and handling devices

Fly ash disposers

110245, F23J 106

Patent

active

042178347

ABSTRACT:
The invention provides in a fluidized bed combustion apparatus including a housing and means for supporting and fluidizing a bed of granular material in the housing for the combustion of waste or other fuel material, an ash removal means comprising: an ash trough, arranged along an edge of the means for supporting the bed, for the collection of ash from the bed, comprising at least a bottom wall, and an aperture in the bottom wall for the exit of ash from the trough, valve means arranged in the aperture for the selective control of the flow of ash through the aperture from the trough, and pneumatic conveyor means arranged to convey ash and any bed material accompanying it from the aperture for disposal.

REFERENCES:
patent: 2467805 (1949-04-01), Bressler
patent: 3910208 (1975-10-01), Albrecht et al.
patent: 3970011 (1976-07-01), Virr et al.

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