Fluidized bed reactor and method utilizing refuse derived fuel

Details Fluidized bed reactor and method utilizing refuse derived fuel Fluidized bed reactor and method utilizing refuse derived fuel

B - Operations, Transporting

01

J

B01J 8/44 (2006.01) F23C 10/20 (2006.01) F23C 10/26 (2006.01) F23G 5/14 (2006.01) F23G 5/30 (2006.01) F23J 3/02 (2006.01) F23J 15/00 (2006.01)

Patent

CA 2119698

FLUIDIZED BED REACTOR AND METHOD UTILIZING REFUSE DERIVED FUEL ABSTRACT OF THE INVENTION An apparatus and method of operating a fluidized bed reactor for combusting refuse derived fuel is disclosed. The reactor includes a fluidized furnace section 30 and stripper/cooler section 80. A downwardly sloping grid 28 extends across the furnace section 30 and stripper/cooler section 80 to a drain 78 in the stripper/cooler section 80, and directional nozzles 38 disposed in the grid fluidize the beds in the furnace section 30 and stripper/cooler section 80 and forcibly convey relatively large particulate material across the grid 28, through the furnace section 30 and stripper/cooler section 80, and to the drain 78 for disposal. A refractory layer 36 is provided along the grid 28 surface to reduce the height of the nozzles 38 within the furnace section 30, thereby helping to prevent relatively large particulate material from becoming entangled with or stuck to the nozzles 38. The furnace section 30 and stripper/cooler section 80 are designed to provide a relatively straight path for the relatively large particulate material passing from the furnace section 30, to the stripper/cooler section 80, and to the drain 78.

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