Fluidized bed combustion apparatus and method of operation

Details Fluidized bed combustion apparatus and method of operation Fluidized bed combustion apparatus and method of operation

1979-09-11

1983-03-29

Scott, Samuel

Combustion

Fuel disperser installed in furnace

Disperser feeds into permeable mass, e.g., checkerwork, etc.

431328, 110263, 432 58, F23D 1900

Patent

active

043782060

ABSTRACT:
A fluidized bed combustion chamber (3) is provided with a perforated bottom plate (4) into which air nozzles (18, 19) are pressed in a manner similar to that used for tubes in a tube sheet of a heat exchanger. About one-third of the nozzles (18) are connected to a startup or auxiliary combustion chamber (14) for blowing in hot gas for heating the bed to the flash-point or ignition temperature of the fuel. Further, the bottom plate is insulated (20) between the nozzles. (FIGS. 1, 4.) A method of operating such a combustion chamber also is disclosed.

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