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1. WO2007098239 - HYBRID OXY-FUEL COMBUSTION POWER PROCESS

Publication Number WO/2007/098239
Publication Date 30.08.2007
International Application No. PCT/US2007/004601
International Filing Date 21.02.2007
Chapter 2 Demand Filed 19.09.2007
IPC
F02C 1/06 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
CGAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
1Gas-turbine plants characterised by the use of hot gases or unheated pressurised gases, as the working fluid
04the working fluid being heated indirectly
05characterised by the type or source of heat, e.g. using nuclear or solar energy
06using reheated exhaust gas
CPC
F01K 17/025
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
KSTEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
17Using steam or condensate extracted or exhausted from steam engine plant
02for heating purposes, e.g. industrial, domestic
025in combination with at least one gas turbine, e.g. a combustion gas turbine
F02C 1/10
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
CGAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
1Gas-turbine plants characterised by the use of hot gases or unheated pressurised gases, as the working fluid
04the working fluid being heated indirectly
10Closed cycles
F02C 3/30
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
CGAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
3Gas-turbine plants characterised by the use of combustion products as the working fluid
20using a special fuel, oxidant, or dilution fluid to generate the combustion products
30Adding water, steam or other fluids ; for influencing combustion, e.g. to obtain cleaner exhaust gases
F02C 3/34
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
CGAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
3Gas-turbine plants characterised by the use of combustion products as the working fluid
34with recycling of part of the working fluid, i.e. semi-closed cycles with combustion products in the closed part of the cycle
F05D 2260/61
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
DINDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
2260Function
60Fluid transfer
61Removal of CO2
Y02E 20/34
YSECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
20Combustion technologies with mitigation potential
34Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Applicants
  • CLEAN ENERGY SYSTEMS, INC. [US]/[US] (AllExceptUS)
  • MACADAM, Scott [US]/[US] (UsOnly)
  • HOFFMAN, Lawrence, C. [US]/[US] (UsOnly)
  • VITERI, Fermin [US]/[US] (UsOnly)
Inventors
  • MACADAM, Scott
  • HOFFMAN, Lawrence, C.
  • VITERI, Fermin
Agents
  • HEISLER, Bradley, P.
Priority Data
60/775,49121.02.2006US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) HYBRID OXY-FUEL COMBUSTION POWER PROCESS
(FR) PROCESSUS DE PRODUCTION D'ÉNERGIE PAR COMBUSTION OXY-CARBURANT HYBRIDE
Abstract
(EN)
A closed loop oxy-fuel combustion power generation cycle is disclosed. The closed cycle has a gas generator which combusts oxygen with a hydrocarbon fuel to produce a drive gas mixture of steam and carbon dioxide that drives a turbine directly with the drive gas mixture. The drive gas mixture then enters a condenser where carbon dioxide is removed and water is recirculated to a heat exchanger where heat is transferred from the drive gas mixture to the water, to produce high pressure steam. This high pressure steam acts as a separate drive gas for a steam turbine. This steam is only indirectly heated by the gas generator through the heat exchanger, such that the cycle includes both direct and indirect heating of working fluids. Water/steam downstream from the steam turbine is then routed back to the gas generator or downstream of the gas generator to close the cycle.
(FR)
L'invention concerne un cycle de production d'énergie par combustion oxy-carburant en circuit fermé. Le circuit fermé comporte un générateur de gaz qui brûle un hydrocarbure avec de l'oxygène pour produire un gaz moteur, mélange de vapeur et de dioxyde de carbone, qui entraîne directement une turbine. Le mélange de gaz moteur entre alors dans un condenseur où le dioxyde de carbone est éliminé et l'eau recyclée vers un échangeur thermique où la chaleur est transférée du mélange de gaz moteur à l'eau, pour produire de la vapeur sous haute pression. Cette vapeur sous haute pression sert de gaz moteur séparé pour une turbine à vapeur. Cette vapeur n'est chauffée qu'indirectement par le générateur de gaz, par l'intermédiaire de l'échangeur thermique, de sorte que le cycle comprend un chauffage à la fois direct et indirect des fluides de travail. L'eau/la vapeur en aval de la turbine à vapeur est alors réacheminée vers le générateur de gaz ou en aval du générateur de gaz pour refermer le cycle.
Also published as
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