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Brayton cycle power generation system and method

A Brayton cycle, power generation system technology, applied in engine components, machines/engines, steam engine installations, etc., can solve problems such as easy leakage and difficult dynamic sealing of rotating machinery

Pending Publication Date: 2019-11-19
NO 719 RES INST CHINA SHIPBUILDING IND
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The embodiment of the present invention provides a Brayton cycle power generation system and method, which are used to solve the problems of difficult dynamic sealing and easy leakage of rotating machinery in the existing Brayton cycle power generation system, so as to recover and utilize the leaking working fluid

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  • Brayton cycle power generation system and method
  • Brayton cycle power generation system and method
  • Brayton cycle power generation system and method

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Embodiment Construction

[0032] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0033] In the description of the embodiments of the present invention, it should be noted that, unless otherwise specified and limited, the terms "first" and "second" are for the purpose of clearly describing the numbering of product components and do not represent any substantial difference. The directions of "up", "down", "left" and "right"...

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Abstract

The invention relates to the technical field of power generation systems, and discloses a Brayton cycle power generation system and method. The Brayton cycle power generation system comprises a compressor, a heater and a turbine, all of which are connected in sequence. The Brayton cycle power generation system further comprises a sealing shell, a heat regenerator and at least one injector. The compressor and the turbine are arranged in the sealing shell. The sealing shell is connected to an injected fluid inlet of the injector, and an outlet of the compressor is connected to an injection source fluid outlet of the injector. An outlet of the injector is connected to an inlet of the first heat exchange side of the heat regenerator, and an outlet of the first heat exchange side of the heat regenerator is connected to an inlet of the heater. An outlet of the turbine is connected to an inlet of the second heat exchange side of the heat regenerator, and an outlet of the second heat exchangeside of the heat regenerator is connected to an inlet of the compressor. According to the Brayton cycle power generation system, the sealing shell is utilized for converting dynamic sealing of a rotary machine into static sealing, meanwhile, a leaking work medium and a main work medium are mixed through the injector, and heat of the leaking work medium is fully recycled.

Description

technical field [0001] The invention relates to the technical field of power generation systems, in particular to a Brayton cycle power generation system and method. Background technique [0002] Supercritical CO 2 The Brayton cycle has become a research hotspot at home and abroad. It has extremely high thermal efficiency and power volume ratio. It is the mainstream technology route to replace the steam cycle in the future. However, due to the supercritical CO 2 Gas-like low viscosity and liquid-like high density, leading to supercritical CO 2 In the Brayton cycle, problems such as the difficulty of dynamic sealing and the deviation of the operating conditions from the design value appeared. Through the analysis of the causes, it was found that the rotating machinery was difficult to seal due to the high speed and low fluid viscosity, especially the high operating temperature and operating pressure of the turbine. High, its sealing difficulty is more than that of compresso...

Claims

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Application Information

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IPC IPC(8): F01K13/00F01K25/10F01K7/32F01D11/00F01D25/24F01D15/10F04F5/36F04F5/54
CPCF01K13/006F01K25/103F01K7/32F01D11/00F01D25/24F01D15/10F04F5/36F04F5/54
Inventor 赵振兴王苇林原胜柳勇吴君李邦明冯毅劳星胜陶模
Owner NO 719 RES INST CHINA SHIPBUILDING IND
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