Method of and a device for feeding solid fuel in a fluidized bed

Details Method of and a device for feeding solid fuel in a fluidized bed Method of and a device for feeding solid fuel in a fluidized bed

1980-05-29

1982-10-19

Yuen, Henry C.

Furnaces

Refuse incinerator

Refuse suspended in or supported by a fluid medium

110347, F23G 500

Patent

active

043544398

ABSTRACT:
In the method of feeding pulverized solid fuels into a fluidized bed hearth, the granular solid fuel is first delivered into a fuel distributing space where it is fluidized by means of a whirling stream of air and the fine granular components of the fluidized fuel are pneumatically fed through an array of feeding pipes into the fluidized bed formed in the combustion space of the hearth. The device for performing the method includes heat-resistant feeding pipes uniformly distributed between the combustion space and projecting into the fuel distributing space to immerse into the fuel distributing fluidized bed of fuel. The fluidizing air of stream is introduced into the distributing chamber to act both as the fuel conveying medium and as a combustion air in the combustion space.

REFERENCES:
patent: 2121733 (1938-06-01), Cottrell
patent: 2884373 (1959-04-01), Bailey
patent: 3397657 (1968-08-01), Tada
patent: 3902462 (1975-09-01), Bryers
patent: 3967975 (1976-07-01), Idaszak
patent: 3991816 (1976-11-01), Klaren

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