Method and a device for cooling ashes in a PFBC power plant

Details Method and a device for cooling ashes in a PFBC power plant Method and a device for cooling ashes in a PFBC power plant

1988-12-23

1990-03-20

Casaregola, Louis J.

Furnaces

Utilizing powdered fuel

With residue handling means

110347, 60 39464, F02C 326

Patent

active

049091638

ABSTRACT:
A method of cooling ashes and bed material when discharging the material via an ash chamber (20) in or near a combustor burning a fuel in a bed (28) of particulate material. Cooling gas is introduced into the ash chamber (20) via a gas distributor (70), is allowed to pass through a material layer (21), is discharged via a collecting device (76) and is circulated through a cooling circuit (69) with a cooler (82) by a compressor or fan (88). The invention also relates to a power plant in which the method is utilized.

REFERENCES:
patent: 4471723 (1984-09-01), Chrysostome
patent: 4474119 (1984-10-01), Jones
patent: 4590868 (1986-05-01), Ishihara
patent: 4736711 (1988-04-01), Marlair et al.
patent: 4804405 (1989-02-01), Jonsson

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