Solids feed nozzle for fluidized bed

Details Solids feed nozzle for fluidized bed Solids feed nozzle for fluidized bed

1980-08-07

1982-01-12

Favors, Edward G.

Furnaces

Utilizing powdered fuel

110245, 122 40, 431170, F23D 100

Patent

active

043099483

ABSTRACT:
The vertical fuel pipe of a fluidized bed extends up through the perforated support structure of the bed to discharge granulated solid fuel into the expanded bed. A cap, as a deflecting structure, is supported above the discharge of the fuel pipe and is shaped and arranged to divert the carrier fluid and granulated fuel into the combusting bed. The diverter structure is spaced above the end of the fuel pipe and provided with a configuration on its underside to form a venturi section which generates a low pressure in the stream into which the granules of solid fuel are drawn to lengthen their residence time in the combustion zone of the bed adjacent the fuel pipe.

REFERENCES:
patent: 4130071 (1978-12-01), Porter

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