F - Mech Eng,Light,Heat,Weapons – 23 – G
Patent
F - Mech Eng,Light,Heat,Weapons
23
G
F23G 7/06 (2006.01) B01D 53/34 (2006.01) B01D 53/60 (2006.01)
Patent
CA 2063215
ABSTRACT OF THE DISCLSOURE A power plant with efficient emission control and high turbine inlet temperatures is disclosed. The power plant includes a combustor for the combustion of carbonaceous sulfur-bearing fuel. The combustion of this fuel produces a hot gas with SOx and NOx contaminants. This gas is conveyed to a refractory heat exchanger where some of the heat from the gas is transferred to a pressurized air stream. The gas Is then conveyed to a fluidized bed reactor. The fluidized bed reactor includes a central chamber with a fluidized bed positioned at the base of the chamber. Heat exchangers are positioned within the fluidized bed. These heat exchangers preheat the pressurized air stream which is first conveyedto the refractory heat exchanger and later conveyed to a turbine assembly. The fluidized bed reactor also includes circulating particulate matter, such as CaO.Ammonia may also be injected into the fluidized bed reactor. When operating at a temperature of at least 1,500° F, the fluidized bed reactor facilitates chemical reactions between the CaO and the SOx contaminants. The fluidized bed reactor also facilitates chemical reactions between the ammonia and NOx contaminants. These reactions significantly reduce the contaminants originally found in the hot, dirty gas. A-53863/WSG
Goldbach Gerhardt Oscar
Haas John C.
Walton Frank
Combustion Power Company Inc.
Smart & Biggar
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