A device and method for recuperating a gas turbine engine comprises a compressor being configured to receive a coolant fluid stream, to compress the coolant fluid stream and to discharge the compressed coolant fluid stream to a turbine in fluid communication with the compressor. The compressed coola
A device and method for recuperating a gas turbine engine comprises a compressor being configured to receive a coolant fluid stream, to compress the coolant fluid stream and to discharge the compressed coolant fluid stream to a turbine in fluid communication with the compressor. The compressed coolant fluid stream undergoing thermal exchange within the turbine, exit the turbine thereafter. A source of a working fluid stream is in fluid communication with the turbine. The working fluid stream is fluidly isolated from a portion of the coolant fluid stream and undergoing thermodynamic expansion through the turbine to extract energy therefrom. Where desired, the entire coolant fluid stream is fluidly isolated from the working fluid stream. At least a portion of the coolant fluid stream is channeled downstream of the turbine to supply a preheated process fluid stream to an adjacent system.
대표청구항▼
1. A gas turbine engine comprising:a compressor having an inlet and an outlet, the compressor being configured to receive a coolant fluid stream, to compress the coolant fluid stream and to discharge the compressed coolant fluid stream;a turbine in fluid communication with the compressor for receivi
1. A gas turbine engine comprising:a compressor having an inlet and an outlet, the compressor being configured to receive a coolant fluid stream, to compress the coolant fluid stream and to discharge the compressed coolant fluid stream;a turbine in fluid communication with the compressor for receiving the compressed coolant fluid stream from the compressor outlet, the compressed coolant fluid stream undergoing thermal exchange with the turbine and exiting the turbine thereafter; anda source of a working fluid stream in fluid communication with the turbine, the working fluid stream being fluidly isolated from at least a portion of the coolant fluid stream, undergoing thermodynamic expansion through the turbine to extract energy therefrom and exiting the turbine thereafter, a portion of the extracted energy being utilized to drive the compressor, wherein at least a portion of the coolant fluid stream being preheated in the turbine is channeled downstream of the turbine to supply a preheated process fluid stream to an adjacent system configured as a separate system, which is outside of a control volume of the gas turbine engine and does not return the preheated process fluid stream to the control volume of the gas turbine engine, and wherein the coolant fluid stream received by the turbine consists of the compressed coolant fluid stream received from the compressor.2. The gas turbine engine of claim 1, wherein the compressor is selected from the group consisting of a centrifugal compressor, an axial flow compressor, and a combination of centrifugal and axial flow compressor.3. The gas turbine engine of claim 2, wherein the compressor comprises at least one of a single stage compressor or a multi stage compressor.4. The gas turbine engine of claim 1, wherein the source of a working fluid comprises at least one of a combustor and a fuel cell.5. The gas turbine engine of claim 4, wherein the combustor is selected from the group consisting of an annular combustor, a tubular combustor a silo combustor and a combination thereof.6. The gas turbine engine of claim 4, wherein the fuel cell comprises at least one of a solid oxide fuel cell or a molten carbonate fuel cell.7. The gas turbine engine of claim 1, wherein the coolant fluid stream is selected from the group consisting of air, superheated steam, and a mixture thereof.8. A gas turbine engine comprising:a compressor having an inlet and outlet, the compressor being configured to receive a coolant fluid stream, to compress the coolant fluid stream and to discharge the compressed coolant fluid stream;a turbine in fluid communication with the compressor for receiving the compressed coolant fluid stream from the compressor outlet, the compressed coolant fluid stream undergoing thermal exchange within the turbine and exiting the turbine thereafter; anda source of a working fluid stream in fluid communication with the turbine, the working fluid stream being fluidly isolated from a portion of the coolant fluid stream and undergoing thermodynamic expansion through the turbine to extract energy therefrom;wherein, at least a portion of the coolant fluid stream being preheated in the turbine is channeled downstream of the turbine to supply a preheated process fluid stream to an adjacent system configured as a separate system, which is outside of a control volume of the gas turbine engine and does not return the preheated process fluid stream to the control volume of the gas turbine engine, and wherein the coolant fluid stream received by the turbine consists of the compressed coolant fluid stream received from the compressor.9. The gas turbine engine of claim 8, wherein a portion of the energy extracted from the thermodynamic expansion of the working fluid stream is utilized to drive the compressor.10. A method for power generation of gas turbine engine comprising:compressing a coolant fluid stream in a compressor;transferring the compressed coolant fluid stream from the compressor to a turbine, the turbine being in fluid communication with the compressor;transferring heat between the coolant fluid stream and the turbine, the coolant fluid stream exiting the turbine thereafter;receiving a working fluid stream to the turbine from a source of a working fluid stream in fluid communication with the turbine, the working fluid stream being fluidly isolated from a portion of the coolant fluid stream;expanding thermodynamically the working fluid stream and extracting energy therefrom, the working fluid stream exiting the turbine thereafter, a portion of the extracted energy driving the compressor; andsupplying a preheated process fluid stream to an adjacent system configured as a separate system, which is outside of a control volume of the gas turbine engine and does not return the preheated process fluid stream to the control volume of the gas turbine engine, wherein the coolant fluid stream received by the turbine consists of the compressed coolant fluid stream received from the compressor.11. The method of claim 10, wherein supplying the preheated process fluid stream comprises channeling at least a portion of the coolant fluid stream downstream of the turbine for delivering the preheated coolant fluid stream to the system downstream of the turbine.
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이 특허에 인용된 특허 (7)
Little, David Allen, Adaptable modular gas turbine power plant.
Tham, Kok-Mun; Lee, Ching-Pang; Laurello, Vincent P.; Chehab, Abdullatif M.; Kemp, David A.; Fussner, John A.; Yin, Yan; Sultanian, Bijay K.; Cai, Weidong, External cooling fluid injection system in a gas turbine engine.
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