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A coupled power system with geothermal recovery function and its operation method

A technology for restoring functions and power systems, applied in heating systems, solar heating systems, heating methods, etc., can solve the problems of mismatch between geothermal supply and heating demand, and difficulty in recovering the heat of geothermal wells, so as to achieve high-efficiency utilization of energy, Improved reliability and sustainability, higher boiling effect

Active Publication Date: 2022-06-07
XI AN JIAOTONG UNIV
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Problems solved by technology

[0003] In order to solve the problems in the prior art that the heat in geothermal wells is difficult to recover and the geothermal supply does not match the heating demand, the purpose of the present invention is to provide a coupled power system with geothermal recovery function and its operation method. Coupling with photovoltaic and photothermal systems avoids the use of heat storage equipment in the compressed air energy storage system, and at the same time effectively utilizes the compression heat, which meets the current heating demand while restoring the heat in the geothermal well, realizing energy storage, The effect of heat supply and recovery of geothermal energy is helpful to the promotion and application of geothermal utilization and compressed air energy storage technology

Method used

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  • A coupled power system with geothermal recovery function and its operation method
  • A coupled power system with geothermal recovery function and its operation method
  • A coupled power system with geothermal recovery function and its operation method

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Embodiment Construction

[0029] The present invention will be described in detail below with reference to specific embodiments and accompanying drawings.

[0030] The invention couples the novel compressed air energy storage with photovoltaic and photothermal systems, avoids the use of heat storage equipment in the compressed air energy storage system, and at the same time effectively utilizes the heat of compression, thereby recovering the heat in the geothermal well and meeting the current requirements Heating demand, to achieve the comprehensive effect of energy storage, heating and recovery of geothermal, due to the diversity of heat sources in the system to achieve heating in different temperature zones.

[0031] like figure 1 As shown, a coupled power system with a geothermal recovery function includes a compressed air energy storage unit, a solar photovoltaic photothermal unit, a geothermal well 10 and a heating unit;

[0032]Specifically, it includes a concentrator 1, a frequency divider 2, a...

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Abstract

The invention provides a coupled power system with geothermal recovery function and its operation method. The system includes a compressed air energy storage unit, a solar photovoltaic photothermal unit, a geothermal well, and a heating unit; the thermal energy of the compressed air is stored in the geothermal well, and the solar energy The photovoltaic photothermal unit converts solar energy into electrical energy and thermal energy respectively, and provides electrical energy and thermal energy for the system respectively. The collected solar thermal energy is used for heating and heating the heat exchange medium in the compressed air energy storage unit; the heating module makes full use of solar energy, To supply heat to the outside, couple the compressed air energy storage with photovoltaic and photothermal systems, avoid the use of heat storage equipment in the compressed air energy storage system, and at the same time make effective use of the compression heat, while restoring the heat in the geothermal well to meet the requirements The current heating demand, realizing the effect of energy storage, heating and recovery of geothermal energy, is conducive to the promotion and application of geothermal utilization and compressed air energy storage technology.

Description

technical field [0001] The invention belongs to the technical field of physical energy storage, and in particular relates to a coupled power system with a geothermal recovery function and an operation method thereof. Background technique [0002] Geothermal energy is renewable and clean heat energy from the depths of the earth. The deep circulation of groundwater brings heat from the deep underground to the surface layer. Rational development and utilization is conducive to resource conservation and environmental protection, and is in line with the concept of green development. With the advancement of urbanization and the continuous development of cities, the demand for energy continues to increase. Under the current pressure of environmental protection, it is very urgent to maintain the stability of geothermal energy heating and increase the utilization efficiency of geothermal energy. The goal of the new industrial development is to add 1.1 billion square meters of geother...

Claims

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Application Information

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IPC IPC(8): F24D11/00F24S20/40F24S23/74F24S80/30H02S10/30F04B35/04F04B37/12F04B41/02
CPCF24D11/003F24D11/004F24S20/40F24S23/74F24S80/30H02S10/30F04B35/04F04B37/12F04B41/02F24D2200/32Y02E10/40Y02E60/16Y02B10/20
Inventor 王焕然贺新李丞宸葛刚强令兰宁张宇飞王壮杰
Owner XI AN JIAOTONG UNIV
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