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Fuel gas and steam combined power device with peak regulation and energy storage functions and control method thereof

A combined power and energy storage technology, applied in steam engine installations, gas turbine installations, engine functions, etc., can solve the problems of low energy utilization rate and difficult peak regulation, and achieve the effect of quick response and solving difficulties in peak regulation.

Active Publication Date: 2017-10-10
XI AN JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a gas-steam combined power plant and its control method with peak-shaving energy storage, so as to solve the problems of difficult peak-shaving and low energy utilization rate in existing power plants

Method used

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  • Fuel gas and steam combined power device with peak regulation and energy storage functions and control method thereof

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Embodiment Construction

[0025] Embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0026] see figure 1 As described above, a gas-steam combined power plant capable of peak energy storage in the present invention includes: a first generator 1, a second generator 101, a first coupling 2, a second coupling 102, a labyrinth seal 3. Steam turbine 4, first 3S clutch 5, second 3S clutch 105, first radial bearing 6, second radial bearing 106, dry gas seal 7, axial flow compressor 8, axial flow turbine 9, stop Push bearing 10, combustion chamber 11 and air tank 12.

[0027] The first generator 1 is connected to one end of the No. I shaft through the first coupling 2, the other end of the No. I shaft is connected to one end of the No. II shaft through the first 3S clutch 5, and the other end of the No. II shaft is passed through the second 3S clutch. 105 is connected with one end of the No. III rotating shaft, and the other end of the No. II...

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Abstract

The invention discloses a fuel gas and steam combined power device with peak regulation and energy storage functions and a control method thereof. The fuel gas and steam combined power device comprises a first power generator, a steam turbine, an axial flow compressor, an axial flow turbine and a second power generator. The first power generator is connected with one end of a first rotating shaft, and the other end of the first rotating shaft is connected with one end of a second rotating shaft through a first 3S clutch; the other end of the second rotating shaft is connected with one end of a third rotating shaft through a second 3S clutch, and the other end of the third rotating shaft is connected with the second power generator; and the steam turbine is installed on the first rotating shaft, the axial flow compressor is installed on the second rotating shaft, and the axial flow turbine is installed on the third rotating shaft. The fuel gas and steam combined power device is used for conducting corresponding regulation when the power load is changed so as to adapt to the load change, peak shifting and valley filling are achieved, and the problems of difficult peak regulation, insufficient flexibility, low energy utilization rate and the like in an existing power plant can be well solved.

Description

technical field [0001] The invention relates to the technical field of combined power cycle devices, in particular to a gas-steam combined power device with adjustable peak energy storage and a gas storage tank. Background technique [0002] Under the dual pressure of increasing scarcity of traditional energy sources and deteriorating environment, people's demand for electricity is increasing increasingly, but there are obvious fluctuations in the load of the power grid. At present, conventional energy sources such as thermal power based on traditional fossil energy are still used for peak regulation. This peak-shaving measure is slow in action, consumes a lot of energy, and is not practical. Contents of the invention [0003] The object of the present invention is to provide a gas-steam combined power plant capable of peak regulation and energy storage and its control method, so as to solve the problems of difficult peak regulation and low energy utilization rate in exist...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F01K13/02F01D15/12F02C6/00F02C6/16
CPCF01D15/12F01K13/02F02C6/00F02C6/16F05D2260/42Y02E60/16
Inventor 谢永慧孙磊张荻
Owner XI AN JIAOTONG UNIV
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