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Transcritical carbon dioxide power generation system based on vortex tube

A carbon dioxide and power generation system technology, applied in the direction of machines/engines, steam engine devices, mechanical equipment, etc., can solve the problems of difficult condensation and low critical temperature, and achieve the effect of scientific structure design, small loss and simple structure

Active Publication Date: 2020-10-30
XI AN JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, CO 2 The critical temperature is low (only 31°C), and it is difficult to be condensed in a high temperature environment

Method used

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  • Transcritical carbon dioxide power generation system based on vortex tube
  • Transcritical carbon dioxide power generation system based on vortex tube

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Embodiment Construction

[0021] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", " The orientation or positional relationship indicated by "vertical", "horizontal", "top", "bottom", "inner", "outer", "side", "end", "side" etc. is based on the Orientation or positional relationship is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation of the present invention. In addition, in the description of the present invention, unless otherwise specified, "plurality" means two or more.

[0022] In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connecti...

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Abstract

The invention discloses a transcritical carbon dioxide power generation system based on a vortex tube. An outlet of a CO2 turbine is divided into two channels, one channel is connected with a generator, the other channel is connected with an inlet at the top of the vortex tube through a cooler, an outlet of the vortex tube is divided into three channels and used for dividing a medium-pressure CO2fluid into three streams of low-pressure fluids, and one channel is connected with an inlet of the CO2 turbine after sequentially passing through a CO2 working medium pump and a heater; and the remaining two channels are connected with an inlet of the cooler through a CO2 compressor. According to the transcritical carbon dioxide power generation system, the problem that CO2 is difficult to condensate under high temperature environment is solved, the irreversible loss of the system is lowered, and the power generation efficiency of the system is improved.

Description

technical field [0001] The invention belongs to the technical field of low-temperature power generation, and in particular relates to a transcritical carbon dioxide power generation system based on a vortex tube. Background technique [0002] In recent years, in order to alleviate energy problems and reduce environmental pollution, low-temperature renewable energy and industrial waste heat power generation technology have received widespread attention. [0003] transcritical CO 2 Power generation technology is a technology that efficiently utilizes low-temperature renewable energy and industrial waste heat to generate electricity. It has the characteristics of compact structure and wide temperature range of heat source. However, CO 2 The critical temperature is low (only 31°C), and it is difficult to be condensed in a high temperature environment. Therefore, transcritical CO 2 The problem that the working fluid is difficult to condense in the high temperature environment...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F01K25/10F01K25/00F01D15/10F01K7/32
CPCF01K25/103F01K25/00F01D15/10F01K7/32
Inventor 王江峰廖广临左启尧赵攀吴伟烽何志龙戴义平
Owner XI AN JIAOTONG UNIV