Medium and low temperature geothermal well utilization system for composite aquifer

A technology of geothermal wells and water layers, applied in geothermal energy power generation, heat collectors using groundwater as working fluid, etc., can solve problems such as low recharge efficiency, increase recharge amount, increase length, selectable strong effect

Pending Publication Date: 2021-11-23
中能建地热有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] At present, there are varying degrees of low recharge efficiency in the mid-deep hydrothermal geothermal system and water source heat pump system.

Method used

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  • Medium and low temperature geothermal well utilization system for composite aquifer

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Embodiment Construction

[0020] The present invention will be further described below according to the drawings and examples:

[0021] A composite aqueous layer is used in medium and low temperature and low temperature well utilization system, including composite aqueous layer, upper partial water layer 2, submersible pump 3, mining well 4, ground hot water pipe 5, plate heat exchanger 6, ground process portion 7, reciproscopes Well 8, the upper side of the composite aqueous layer is connected to the upper portion of the water-absorbing layer 2, and the mining well 8 is inserted into the composite aqueous layer 2 through the upper portion of the upper partition layer 2, the mining well 4 and the back drill 8 opposite Set, the floor heat exchanger 6 is disposed in the middle of the ground, the ground process portion 7, the plate heat exchanger 6, is disposed on the surface of the well, and the ground hot water line 5 is provided with a submersible pump 3, said The submersible pump 3 is inserted into the we...

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Abstract

The invention discloses a medium and low temperature geothermal well utilization system for a composite aquifer. The medium and low temperature geothermal well utilization system comprises the composite aquifer, an upper water-resisting layer, a submersible pump, a mining well, a geothermal water pipeline, a plate heat exchanger, a ground process part and a recharge well, the upper side of the composite aquifer is connected to the upper water-resisting layer, the mining well and the recharge well penetrate through the upper water-resisting layer to be inserted into the composite aquifer, the mining well and the recharge well are oppositely arranged, the plate heat exchanger and the ground process part are arranged in the middle of the geothermal water pipeline, the plate heat exchanger is arranged on the side close to the mining well, the submersible pump is arranged at the left end of the geothermal water pipeline and is inserted into the mining well, the right end of the geothermal water pipeline is inserted into the recharge well, the composite aquifer comprises a lower aquifer body, a lower water-resisting layer and an upper aquifer body, and the upper aquifer body, the lower water-resisting layer and the lower aquifer body are sequentially arranged on the lower side of the upper water-resisting layer.

Description

Technical field [0001] The present invention relates to the field of geothermal energy, and more particularly to a composite aqueous layer medium and low temperature hot well utilization system. Background technique [0002] Geothermal energy is natural thermal energy in the earth, has advantages such as clean, efficient, stable, security, play a unique role in energy conservation and emission reduction, governance, adjusting energy, and adjusting energy, especially in the field of building energy supply, geothermal energy Will be the main direction of development in the future. [0003] At present, there is a low problem of different degrees of reclaimed efficiency in the middle and deep water-thermal geothermal systems, water source heat pump systems. Because of the powerful measures to achieve sustainable development of geothermal resources, it is of great significance in the world's countries, it is important to protect the protection of geothermal resources, reduce resource ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24T10/20
CPCF24T10/20Y02E10/10
Inventor 刘铮戴志清邬小波刘少勇程鹏梁晗胡青松陈北领
Owner 中能建地热有限公司
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