An enhanced geothermal system development test device

A development test and enhanced technology, which is applied in the direction of measuring devices, machine/structural component testing, instruments, etc., can solve the problems of low dissolution effectiveness, high expansion, low viscosity, etc., to achieve good fluidity, eliminate corrosion and Clogging, high thermal efficiency effect

Active Publication Date: 2016-08-17
CHINA PETROCHEMICAL CORP +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

CO 2 Large expansibility, low viscosity, low effectiveness as a solvent for dissolving rock minerals

Method used

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  • An enhanced geothermal system development test device

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Embodiment Construction

[0015] For further disclosing the technical scheme of the present invention, below in conjunction with accompanying drawing, the present invention is described in more detail by embodiment:

[0016] The present invention includes a carbon dioxide steel cylinder 1, a carbon dioxide supercritical conveying device 4, a simulated hot dry rock reactor 5, a carbon dioxide turbine 7, a high-pressure variable-frequency plunger pump 10, a heat exchanger 8, a temperature sensor, a pressure sensor, a flow regulating valve, Pressure regulating valve, computer 13, PLC data acquisition system 14, characterized in that the carbon dioxide from the carbon dioxide cylinder passes through the carbon dioxide flow regulating valve 2 and the pressure regulating valve 3 for flow control and pressure regulation, and then enters the carbon dioxide supercritical conveying device 4 to increase to high pressure and enter Simulate the hot dry rock reactor 5 to heat up, and the high-temperature and high-pre...

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Abstract

The invention discloses an enhanced geothermal system development test device. The enhanced geothermal system development test device comprises a carbon dioxide steel cylinder, a carbon dioxide supercritical transportation device, a simulation hot dry rock reactor, a carbon dioxide turbine, a high-pressure frequency conversion type plunger pump, and a PLC data acquisition system. Carbon dioxide in the carbon dioxide steel cylinder passes through a carbon dioxide flow regulating valve and a pressure regulating valve, enters the carbon dioxide supercritical transportation device for being pressurized to a high pressure, and then enters the simulation hot dry rock reactor for temperature rise. The high-temperature high-pressure carbon dioxide CO2 after temperature rise enters the carbon dioxide turbine. The carbon dioxide turbine is used to drive a generator or a power machine for energy conversion. The low-grade carbon dioxide coming out from the carbon dioxide turbine enters the heat exchanger. The carbon dioxide after heat exchange is sent back to the simulation hot dry rock reactor through the high-pressure frequency conversion type plunger pump for cyclic utilization.

Description

technical field [0001] The invention relates to the field of thermal energy recovery from hot dry rocks, in particular to CO 2 Dry hot rock heat energy recovery system as working medium. Specifically, it is an enhanced geothermal system development test device. Background technique [0002] Geothermal is a type of energy that comes from within the earth. It is estimated that the heat stored in the interior of the earth is about 170 million times that of global coal reserves, and the heat lost from the interior of the earth through the surface every year is equivalent to the heat of 100 billion barrels of oil. In the big family of new energy and renewable energy, geothermal is one of the competitive energy sources. [0003] Hot dry rock refers to a high-temperature rock mass with a general temperature greater than 200°C, a buried depth of several kilometers, and no fluid or only a small amount of underground fluid inside. The heat stored in hot dry rock needs to be extrac...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01M99/00
Inventor 李清方张建陆诗建赵帅刘海丽尚明华庞会中于惠娟陆胤君
Owner CHINA PETROCHEMICAL CORP
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