Fluid bed combustion method and apparatus

Details Fluid bed combustion method and apparatus Fluid bed combustion method and apparatus

F - Mech Eng,Light,Heat,Weapons

27

B

110/2.1

F27B 15/00 (2006.01) B01J 8/32 (2006.01) B01J 8/36 (2006.01) F23C 10/00 (2006.01) F23C 10/26 (2006.01) F23G 5/30 (2006.01)

Patent

CA 1118288

ABSTRACT OF DISCLOSURE A fluid bed combustion method and apparatus are disclosed utilizing an induced draft fan downstream of the exhaust port of the combustion chamber. Fluidizing air is given a velocity vector toward one side of the chamber for moving foreign objects to that side where the objects are removed and separated by air classification from bed particles which are returned to the fluid bed. Air classification is accomplished using a blower which is valved off during preheat operation to draw hot air from above the fluid bed down through the particle bed. The present invention relates in general to fluid bed combustion systems and, more particularly, to systems for burning low quality fuel in a fluid bed reactor.

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