F - Mech Eng,Light,Heat,Weapons – 23 – C
Patent
F - Mech Eng,Light,Heat,Weapons
23
C
110/15
F23C 10/12 (2006.01) B01D 45/08 (2006.01) B01J 8/00 (2006.01) F22B 31/00 (2006.01) F23C 10/08 (2006.01) F23J 3/04 (2006.01) F23J 15/02 (2006.01)
Patent
CA 1305633
23549-417 ABSTRACT The invention relates to a device for steam generation in an apparatus for burning carbonaceous material in a fluidized bed reactor that includes: a bottom portion; a top portion: wall cooling surfaces; a recirculation system that includes at least one labyrinth separator which serves for the return of separated- off solid material to said bottom portion and is provided with staggered beams that have an essentially U-shaped cross-sectional configuration and are open downwardly toward a rising flow of flue gas; a fuel supply, a fluidizing air supply, and a secondary air supply in said bottom portion; and at least one dust separator disposed downstream of said at least one labyrinth separator, the improvement wherein: said staggered beams are disposed directly in said top portion of said fluidized bed reactor in a rising flow of flue gas, are inclined, and guide said separated-off solid material to at least one of said wall cooling surfaces, which define a reactor interior and along which said solid material flows downwardly; and said separator beams have free arms, on at least one of which is formed a guide chute that has an essentially U-shaped cross-sectional configuration and serves for the guidance of solid material, with said guide chute opening upwardly in a direction facing away from said rising flow of flue gas, and serving for the removal of solid material collected by associated separator beams.
552691
Eickvonder Wolfgang
Passmann Norbert
Steven Hubert
Thomas Gerhard
Tummers Peter
Eickvonder Wolfgang
Fetherstonhaugh & Co.
L. & C. Steinmuller Gmbh
Passmann Norbert
Steven Hubert
LandOfFree
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