F - Mech Eng,Light,Heat,Weapons – 22 – B
Patent
F - Mech Eng,Light,Heat,Weapons
22
B
F22B 31/00 (2006.01) F01K 23/06 (2006.01) F22B 3/08 (2006.01)
Patent
CA 2172521
A circulating fluidized bed boiler comprises a fluidized bed combus- don chamber (14), a recirculating system for recirculating fluidized solids through the combustion chamber, and a plurality of tubes (58) for with- standing supercritical pressure are disposed around the walls of the com- bustion chamber (14) for circulating cooling fluid between an inlet header (54) at the bottom of the chamber and an outlet chamber (56) at the top of the combustion chamber (14). A water steamseparator (66) directs steam to a superheater (70) and is bypassed during normal operation.
Chaudière à lit fluidisé recirculant comprenant une chambre de combustion à lit fluidisé (14), un système de recirculation faisant repasser les solides fluidisés par la chambre de combustion, une série de tubes (58) supportant la pression surcritique et disposés autour de la paroi de la chambre de combustion (14) et où circule le fluide de refroidissement entre un collecteur d'admission (54) placé à la base de la chambre et une chambre d'évacuation (56) placée au sommet de la chambre de combustion (14). Le séparateur vapeur/eau (66) qui dirige la vapeur vers un surchauffeur (70) est by-passé en marche normale.
Foster Wheeler Energia Oy
Gowling Lafleur Henderson Llp
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