[특허]Gas turbine efficiency and power augmentation improvements utilizing heated compressed air

Gas turbine efficiency and power augmentation improvements utilizing heated compressed air 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F02C-003/30 F01K-023/10 F01K-007/02 F02C-007/143 F02C-006/18 F01K-021/04
출원번호	US-0534347 (2014-11-06)
등록번호	US-10215060 (2019-02-26)
발명자 / 주소	Kraft, Robert J. Auerbach, Scott
출원인 / 주소	POWERPHASE LLC
대리인 / 주소	Lathrop Gage LLP
인용정보	피인용 횟수 : 0 인용 특허 : 34

초록 ▼

The present invention discloses a novel apparatus and methods for augmenting the power of a gas turbine engine, improving gas turbine engine operation, and reducing the response time necessary to meet changing demands of a power plant. Improvements in power augmentation and engine operation include

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1. A method of operating a gas turbine energy system comprising: operating a gas turbine engine comprising a compressor coupled to a turbine, the compressor and the turbine in fluid communication with one or more combustors, and a steam injection system, where the gas turbine engine produces a heated exhaust;generating a supply of steam using the heated exhaust;directing a flow of air from an auxiliary source of compressed air through at least a portion of piping of the steam injection system, thereby preheating the at least a portion of piping of the steam injection system, the auxiliary source of compressed air including a recuperator and a compressor;determining whether the at least a portion of piping of the steam injection system has reached an acceptable temperature; anddirecting collectively at least a portion of each of the supply of steam and the flow of air from the auxiliary source of compressed air into the gas turbine engine. 2. The method of claim 1, further comprising opening an isolation valve and an air vent valve in order to direct the flow of air from the auxiliary source of compressed air through the at least a portion of piping of the steam injection system. 3. The method of claim 1, further comprising: opening an isolation valve and an air vent valve, the air vent valve in proximity to an air vent and the isolation valve is proximate to the compressor of the gas turbine engine. 4. The method of claim 2, further comprising: directing a portion of the supply of steam to flow through the piping of the steam injection system and into the gas turbine engine by opening a steam injection valve and closing the air vent valve. 5. The method of claim 1, wherein the gas turbine energy system vents steam and compressed air simultaneously. 6. A method of operating a gas turbine energy system comprising: operating a gas turbine engine comprising a compressor coupled to a turbine, the compressor and the turbine in fluid communication with one or more combustors, and a steam injection system having steam injection piping, where the gas turbine engine produces a heated exhaust;generating a supply of steam using the heated exhaust;generating a supply of heated compressed air from an auxiliary source of compressed air driven by a heated engine, the auxiliary source of compressed air including a recuperator and a compressor;directing the supply of heated compressed air into the steam injection piping to preheat the steam injection piping;determining whether the steam injection piping has reached an acceptable temperature; anddirecting collectively at least a portion of each of the supply of steam and the supply of heated compressed air from the auxiliary source of compressed air into the gas turbine engine. 7. The method of claim 6, further comprising opening an isolation valve and an air vent valve prior to directing the supply of heated compressed air into the steam injection piping. 8. The method of claim 6, further comprising opening an isolation valve and an air vent valve, the air vent valve in proximity to an air vent and the isolation valve is proximate to the compressor of the gas turbine engine. 9. The method of claim 8, further comprising directing a portion of the supply of steam to flow through the steam injection piping into the gas turbine engine by opening a steam injection valve and closing the air vent valve. 10. The method of claim 6, wherein the gas turbine energy system vents steam and heated compressed air simultaneously. 11. The method of claim 2, wherein the supply of steam is generated in a heat recovery steam generator. 12. The method of claim 6, wherein the supply of steam is generated in a heat recovery steam generator.

이 특허에 인용된 특허 (34)

Nakhamkin, Michael, Advanced adiabatic compressed air energy storage system.
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Nakhamkin Michael (Fanwood NJ), Advanced recuperator.
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Nakhamkin, Michael, CAES system with synchronous reserve power requirements.
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Nakhamkin Michael (Mountainside NJ), Cascaded advanced high efficiency multi-shaft reheat turbine with intercooling and recuperation.
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Nakhamkin Michael ; Potashnik Boris, Combustion turbine power plant operable at full power using supplemental compressed air.
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Briesch Michael S. ; Alba Jorge J., Combustion turbine with fuel heating system.
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Nakhamkin Michael (Fanwood NJ), Compressed air energy storage turbomachinery cycle with compression heat recovery, storage, steam generation and utiliza.
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Nakhamkin Michael (Mountainside NJ), Compressed air turbomachinery cycle with reheat and high pressure air preheating in recuperator.
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Woodson Carl W. (Ballston Lake NY), Control method for use with steam injected gas turbine.
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Nakhamkin, Michael, Conversion of combined cycle power plant to compressed air energy storage power plant.
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Uematsu Kazuo,JPX ; Sugishita Hideaki,JPX, Cooling steam system for steam cooled gas turbine.
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Corbett Nicholas C. (Solihull GB2) Lines Norman (Rugby GB2) Steward Lynn I. T. (Coventry GB2), Gas generators.
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Jatila Ranasinghe ; Walter Phillip Jones, Gas turbine power augmentation injection system and related method.
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Kraft, Robert J., High output modular CAES (HOMC).
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Traver Robert S. ; Iasillo Robert J. ; Kaplan Howard J. ; Drazba John E., Liquid fuel and water injection purge system for a gas turbine.
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Cousino, Sr., Dennis James, Method and apparatus for boosting gas turbine engine performance.
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Ranasinghe, Jatila; Priestley, Robert Russell, Method and apparatus for power augmentation for gas turbine power cycles.
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Nakhamkin Michael ; Schainker Robert, Method for providing emergency reserve power using storage techniques for electrical systems applications.
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Nakhamkin Michael (Mountainside NJ), Method of generating power with high efficiency multi-shaft reheat turbine with interccooling and recuperation.
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Nakhamkin Michael ; Potashnik Boris, Method of operating a combustion turbine power plant at full power at high ambient temperature or at low air density using supplemental compressed air.
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Nakhamkin Michael, Method of operating a combustion turbine power plant having compressed air storage.
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Nakhamkin Michael ; Potashnik Boris, Method of operating a combustion turbine power plant using supplemental compressed air.
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Nakhamkin Michael ; Potashnik Boris, Method of operating a combustion turbine using supplemental compressed air.
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Rakhmailov Anatoly,RUX, Method of operation of a gas turbine engine and a gas turbine engine.
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Nakhamkin Michael, Method of power generation and load management with hybrid mode of operation of a combustion turbine derivative power p.
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Nakhamkin, Michael, Operating method for CAES plant using humidified air in a bottoming cycle expander.
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Nakhamkin,Michael, Power augmentation of combustion turbines by injection of cold air upstream of compressor.
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Nakhamkin,Michael, Power augmentation of combustion turbines with compressed air energy storage and additional expander with airflow extraction and injection thereof upstream of combustors.
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Nakhamkin, Michael, Retrofit of simple cycle gas turbine for compressed air energy storage application having expander for additional power generation.
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Nakhamkin Michael (Mountainside NJ), Retrofit of simple cycle gas turbines for compressed air energy storage application.
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Urbach Herman B. (Annapolis MD) Knauss Donald T. (Severna Park MD), Steam-augmented gas turbine.
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Tong, Leslie Yung-Min; Rancruel, Diego; Vedavyasachar, SriHarsha, Systems and methods for prewarming heat recovery steam generator piping.
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Chen Allen G. ; Hintz Douglas Edward ; Lenick Michael James ; Siddiqui Mohammed A. Wajid, Two stage expansion and single stage combustion power plant.
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Nakhamkin Michael (Mountainside NJ), Utilization of circulating fluidized bed combustors for compressed air energy storage application.
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