Semi-closed brayton cycle gas turbine power systems

Details Semi-closed brayton cycle gas turbine power systems Semi-closed brayton cycle gas turbine power systems

F - Mech Eng,Light,Heat,Weapons

02

C

F02C 6/18 (2006.01) F01K 21/04 (2006.01) F01K 23/10 (2006.01) F02C 1/00 (2006.01) F02C 1/08 (2006.01) F02C 3/20 (2006.01) F02C 3/34 (2006.01)

Patent

CA 2409700

A semi-closed combined cycle system (100) is provided which converts an open cycle gas turbine (10) into a non-polluting power system. The prior art gas turbine (10) includes a compressor (20) which compresses air (A') and combusts the air (A') with fuel. Combustion products form the exhaust (E') which is expanded through the turbine (40). The turbine (40) drives the compressor (20) and outputs power. The exhaust (E') exits the turbine (40) and can be routed through a heat recovery steam generator (50). The exhaust (E') is routed to a divider (110) which has two outlets including a return duct (120) and a separation duct (130). The return duct (120) routes a portion of exhaust (E') back to the compressor (20), and a duct (150) adds oxygen to the exhaust (E').

Système cyclique combiné semi-fermé (100) convertissant une turbine à gaz à cycle fermé (10) en un système de génération d'énergie non polluante. La turbine à gaz (10) de l'état actuel de la technique comprend un compresseur (20) comprimant de l'air (A') et en effectuant la combustion au moyen de combustible. Les produits de combustion constituent l'échappement (E') qui est dilaté à travers la turbine (40). Cette turbine (40) entraîne le compresseur (20) et produit de l'énergie. L'échappement (E') sort de la turbine (40) et peut être conduit à travers un générateur de vapeur (50) de récupération thermique. L'échappement (E') est acheminé vers un séparateur (110) possédant deux sorties, y compris un conduit de retour (120) et un conduit de séparation (130). Le conduit de retour (120) renvoie une partie de l'échappement (E') au compresseur (20) et un conduit (150) effectue un apport d'oxygène à l'échappement (E').

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