Method and equipment for treatment of fuel for fluidized bed com

Details Method and equipment for treatment of fuel for fluidized bed com Method and equipment for treatment of fuel for fluidized bed com

1982-03-09

1983-11-15

Yuen, Henry C.

Furnaces

Refuse incinerator

Refuse suspended in or supported by a fluid medium

110224, 110225, F23G 700

Patent

active

044149050

ABSTRACT:
The invention relates to the method and equipment for treatment of fuel for fluidized bed combustion, which includes drying, classification and crushing of the fuel. The method for treatment of fuel comprises mixing the fuel with hot ash removed from the fluidized bed combustor and drying said mixture in a fluidized bed dryer in which the velocity of the fluidization fluid equals or is lower than the minimum fluidization velocity of particles in the fluidized bed combustor. The equipment for treatment of fuel comprises a bunker, crusher and dryer, comprising a fluidized bed dryer provided with appropriate piping for interconnection of the fluidized bed dryer, fluidized bed combustor, fuel bunker and crusher.

REFERENCES:
patent: 2148447 (1939-02-01), Dundas et al.
patent: 2171535 (1939-09-01), Berg et al.
patent: 3826208 (1974-07-01), Williams
patent: 3888193 (1975-06-01), Kishigami et al.
patent: 3921544 (1975-11-01), Reese
patent: 3921590 (1975-11-01), Mitchell et al.
patent: 4159682 (1979-07-01), Fitch et al.
patent: 4311103 (1982-01-01), Hirose
patent: 4324544 (1982-04-01), Blake
patent: 4326470 (1982-04-01), Maranhao
patent: 4343246 (1982-08-01), Jukkola et al.

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