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Gas turbine facility

A technology for gas turbines and equipment, which is applied in the direction of gas turbine devices, mechanical equipment, steam engine devices, etc., and can solve problems such as difficult flow control, lack of inlet guide wings, and burner ejection speed V control.

Inactive Publication Date: 2015-03-18
8 RIVERS CAPTTAL LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0016] However, since the above-mentioned centrifugal compressor used as the compressor 318 does not include inlet guide vanes like the axial flow compressor, for example, it is difficult to control the flow rate in a wide range.
Therefore, when the turbine load changes, it is difficult to control the discharge speed V of the combustor within an appropriate range.

Method used

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  • Gas turbine facility
  • Gas turbine facility
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Embodiment Construction

[0022] Hereinafter, embodiments of the present invention will be described with reference to the drawings.

[0023] figure 1 It is a system diagram of the gas turbine facility 10 of the embodiment. Such as figure 1 As shown, the gas turbine plant 10 includes a combustor 20 for combusting a fuel and an oxidant. A flow regulating valve 15 for regulating the flow rate of fuel is provided on a pipe 35 for supplying fuel to the burner 20 . A flow regulating valve 16 for adjusting the flow rate of the oxidant is provided on the pipe 36 that supplies the oxidant to the burner 20 . In addition, the flow regulating valve 16 functions as an oxidant flow regulating valve.

[0024] Here, as the fuel, hydrocarbons such as natural gas and methane, coal gasification gas, and the like are used, for example. As the oxidizing agent, oxygen is used. For example, this oxygen is obtained by separating from the atmosphere with an air separation device (not shown).

[0025] Combustion gas d...

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Abstract

The gas turbine facility (10) includes a combustor (20) combusting fuel and oxidant, a turbine (21) rotated by combustion gas, a heat exchanger (23) cooling the combustion gas, a heat exchanger (24) removing water vapor from the combustion gas which passed through the heat exchanger (23) to regenerate dry working gas, and a compressor (25) compressing the dry working gas until it becomes supercritical fluid. Further, the gas turbine facility (10) includes a pipe (42) guiding a part of the dry working gas from the compressor (25) to the combustor (20) via the heat exchanger (23), a pipe (44) exhausting a part of the dry working gas to the outside, and a pipe (45) introducing a remaining part of the dry working gas exhausted from the compressor (25) into a pipe (40) coupling an outlet of the turbine (21) and an inlet of the heat exchanger (23).

Description

[0001] CROSS-REFERENCE TO RELATED APPLICATIONS: This application is based on, and claims priority from, Japanese Priority Patent Application No. 2013-175933 filed on Aug. 27, 2013, which is incorporated herein by reference in its entirety. technical field [0002] The invention relates to a gas turbine plant. Background technique [0003] In order to reduce carbon dioxide, save resources, etc., the efficiency of power plants is increasing. Specifically, the increase in temperature of the working fluid of the gas turbine and the steam turbine, the use of a combined cycle, and the like are being actively developed. In addition, research and development of carbon dioxide recovery technology is also progressing. [0004] image 3 It is a system diagram of a conventional gas turbine facility that circulates a part of carbon dioxide generated in a combustor (combustor) as a working fluid. Such as image 3 As shown, the oxygen separated from the air separator (not shown) is suppl...

Claims

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Application Information

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IPC IPC(8): F02C3/30
CPCF02C3/34F02C1/08F02C7/00F02C7/10F02C6/18F01K19/10Y02E20/16F02C3/04
Inventor 伊东正雄冲园信博前田秀幸岩井保宪
Owner 8 RIVERS CAPTTAL LLC