Method and equipment for treatment of fuel for fluidized bed com

Furnaces – Refuse incinerator – Refuse suspended in or supported by a fluid medium

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110224, 110225, F23G 700

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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.

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patent: 4324544 (1982-04-01), Blake
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