FLUIDIZED-BED COMBUSTION CHAMBER FOR BURNING COMBUSTIBLE MATERIAL CONTAINING INCOMBUSTIBLE COMPONENTS AND FLUIDIZED-BED FURNACE Russian patent published in 1999 - IPC

FIELD: combustion chambers. SUBSTANCE: combustion chamber has first diffuser plate and second diffuser plate. Each plate has set of holes for delivery of fluidizing gas and passage for discharge of incombustible material located between first and second diffuser plates. Part of fluidizing gas is fed from discharge passage for forming continuous fluidized bed on bottom of furnace. First diffuser plate has surface inclined downward and directed to discharge passage and second diffuser plate has surface inclined upward which gradually rises in way from incombustible material discharge passage. EFFECT: smooth removal of incombustible material; smooth and effective burning of combustible material. 11 cl, 10 dwg