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公开(公告)号：US09856792B2
公开(公告)日：2018-01-02
申请号：US14467500
申请日：2014-08-25
Applicant: ANSALDO ENERGIA SWITZERLAND AG
Inventor： Jaan Hellat , Eribert Benz , Frank Graf , Torsten Wind , Felix Guethe , Klaus Doebbeling
CPC classification number: F02C3/30 , F01D5/141 , F02C3/06 , F02C3/34 , F02C6/003 , F02C6/08 , F02C6/18 , F02C7/04
Abstract: The invention relates to a method for operating a gas turbine, in which an oxygen-reduced gas and fresh air are delivered to a compressor of the gas turbine in a radially staged manner, the fresh air being delivered via an outer sector of the inlet cross section in relation to the axis of rotation of the compressor, and the oxygen-reduced gas being delivered via an inner sector of the inlet cross section in relation to the axis of rotation of the compressor.The invention relates, further, to a gas turbine power plant with a gas turbine having a compressor inlet which is followed by the flow duct of the compressor and which is divided into an inner sector and an outer sector, a feed for an oxygen-reduced gas being connected to the inner sector of the compressor inlet, and a fresh air feed being connected to the outer sector of the compressor inlet.
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公开(公告)号：US11174784B2
公开(公告)日：2021-11-16
申请号：US15858295
申请日：2017-12-29
Applicant: ANSALDO ENERGIA SWITZERLAND AG
Inventor： Jaan Hellat , Eribert Benz , Frank Graf , Torsten Wind , Felix Guethe , Klaus Doebbeling
Abstract: An exemplary gas turbine power plant includes a gas turbine with a compressor having a compressor inlet. A combustion chamber follows the compressor and a turbine follows the combustion chamber. A cross section of the compressor inlet includes an inner sector and an outer sector in relation to the axis of rotation of the compressor. A plurality of feed ducts introduces oxygen-reduced gas into the inner sector of the compressor inlet. The plurality of feed ducts is arranged in the compressor inlet so as to be distributed in a circumferential direction on a circle concentrically with respect to the axis of the gas turbine.
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公开(公告)号：US10100728B2
公开(公告)日：2018-10-16
申请号：US13646034
申请日：2012-10-05
Applicant: Ansaldo Energia Switzerland AG
Inventor： Frank Sander , Stefan Rofka , Eribert Benz
Abstract: A method and system are disclosed for operating a gas turbine power plant with flue gas recirculation, in which variable compressor inlet guide vanes are controlled as a function of flue gas recirculation ratio and/or as a function of a process parameter which is indicative for the flue gas recirculation. A controller setpoint position of the variable compressor inlet guide vanes can be controlled as a function of a position of a control element for controlling flue gas recirculation flow.
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4.发明申请公开(公告)号：US20180119612A1
公开(公告)日：2018-05-03
申请号：US15858295
申请日：2017-12-29
Applicant: ANSALDO ENERGIA SWITZERLAND AG
Inventor： Jaan HELLAT , Eribert Benz , Frank Graf , Torsten Wind , Felix Guethe , Klaus Doebbeling
CPC classification number: F02C3/30 , F01D5/141 , F02C3/06 , F02C3/34 , F02C6/003 , F02C6/08 , F02C6/18 , F02C7/04
Abstract: An exemplary gas turbine power plant includes a gas turbine with a compressor having a compressor inlet. A combustion chamber follows the compressor and a turbine follows the combustion chamber. A cross section of the compressor inlet includes an inner sector and an outer sector in relation to the axis of rotation of the compressor. A plurality of feed ducts introduces oxygen-reduced gas into the inner sector of the compressor inlet. The plurality of feed ducts is arranged in the compressor inlet so as to be distributed in a circumferential direction on a circle concentrically with respect to the axis of the gas turbine.
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