Fine particulate feed system for fluidized bed furnace

Details Fine particulate feed system for fluidized bed furnace Fine particulate feed system for fluidized bed furnace

1983-12-05

1984-10-02

Yuen, Henry C.

Furnaces

Refuse incinerator

Refuse suspended in or supported by a fluid medium

110345, 110263, 110220, F23G 500

Patent

active

044741197

ABSTRACT:
An apparatus for feeding solids into the bed of a fluidized bed furnace (18). The feed solids are separated into a fine fraction and a coarse fraction. The coarse fraction is supplied to fluidized bed (16) in an in-bed pneumatic transport feed system or in an over-the-bed feed system. The fine fraction as well as fluidizing air are supplied to fines admission zone (24) wherein the fine fraction and fluidizing air are thoroughly mixed. The mixture of the fine fraction of feed solids and the fluidizing air is then passed upwardly through air distribution means (38) into fluidized bed (16).

REFERENCES:
patent: 3366080 (1968-01-01), Albertson
patent: 4184456 (1980-01-01), Taylor et al.
patent: 4206712 (1980-06-01), Vatsky
patent: 4259088 (1981-03-01), Moss
patent: 4259911 (1981-04-01), Jones
patent: 4312280 (1982-01-01), Shearer et al.
patent: 4313848 (1982-02-01), Scott
patent: 4325327 (1982-04-01), Kantesania et al.
patent: 4325833 (1982-04-01), Scott

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