Geothermal extraction device

An extraction device and geothermal technology, applied in the field of geothermal development, can solve the problems of ineffective heat storage and energy consumption

Active Publication Date: 2021-11-02
PETROCHINA CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The geothermal extraction device in the related art must be powered by a pumping device, which consumes extra energy and cannot store heat effectively

Method used

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  • Geothermal extraction device
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Embodiment Construction

[0043] In order to make the object, technical solution and advantages of the present invention clearer, the implementation manner of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0044] Embodiments of the present disclosure provide a geothermal extraction device, such as figure 1 and figure 2 As shown, the geothermal extraction device includes heat insulating oil pipe 1, casing pipe 2, one-way valve group 3, four-way joint 4, reducing joint 5, circulation box 6, three-way joint 7, first temperature control solenoid valve 8, second temperature control solenoid valve control solenoid valve 9, thermal flow control valve 10, surface heat exchanger 11 and bellows 12, the upper end of the casing 2 is fixedly connected to the lower end of the four-way 4, the upper end of the four-way 4 is fixedly connected to the large-diameter end of the reducing joint 5, and the casing 2 The bottom is blocked. The heat insulating...

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Abstract

The disclosure relates to a geothermal extraction device and belongs to the technical field of geothermal development. The geothermal extraction device includes heat insulating oil pipe 1, casing pipe 2, one-way valve group 3, four-way joint 4, different diameter joint 5, circulation box 6, three-way joint 7, first temperature control solenoid valve 8, second temperature control solenoid valve 9. Thermal flow control valve 10, surface heat exchanger 11 and bellows 12, casing 2 is fixedly connected to the lower end of cross 4, and the upper end of cross 4 is fixedly connected to the large diameter end of different diameter joint 5; The small diameter end of the diameter joint 5 is fixedly connected; the horizontal first end of the four-way 4 is fixedly connected with the first temperature control solenoid valve 8, the horizontal second end of the four-way 4 is fixedly connected with the first end of the three-way 7, and the second end of the three-way 7 is fixedly connected with the The second temperature control solenoid valve 9 is fixedly connected, the third end of the tee 7 is fixedly connected with the first end of the thermal flow control valve 10; the second end of the thermal flow control valve 10 is connected with the first end of the return pipe of the surface heat exchanger 11 The end is connected, and the second end of the return pipe communicates with the circulation box 6.

Description

technical field [0001] The invention relates to the technical field of geothermal development, in particular to a geothermal extraction device. Background technique [0002] As a renewable energy source, geothermal energy has good economic and social benefits. At present, the direct development and utilization of geothermal fluids through artificial drilling is the main body of current geothermal exploration and development. [0003] The geothermal extraction device in the related art is mainly composed of a swabbing device, a delivery pipeline and a heat exchanger. After the well is drilled and completed, the delivery pipeline is lowered into the well, and the power of the swabbing device is used to pass the geothermal fluid through the delivery pipeline to the heat exchanger, and the heat is extracted through the heat exchanger. At the same time, in order to reduce the impact on groundwater resources and geothermal resources, corresponding recharge wells can be drilled t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24T10/17
CPCY02E10/10
Inventor 蒋斌勇侯新伟郭成云程启忠张豪李永华李建林
Owner PETROCHINA CO LTD
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