CN216204420U - Pipe pressing well forming underground heat exchange system - Google Patents
Pipe pressing well forming underground heat exchange system Download PDFInfo
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- CN216204420U CN216204420U CN202122368565.3U CN202122368565U CN216204420U CN 216204420 U CN216204420 U CN 216204420U CN 202122368565 U CN202122368565 U CN 202122368565U CN 216204420 U CN216204420 U CN 216204420U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/10—Geothermal energy
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Abstract
The utility model provides a pressure pipe well-forming underground heat exchange system, which belongs to the technical field of geothermal equipment and comprises a pressure pipe, a liquid inlet pipe, a liquid return pipe and a ground source heat pump assembly, wherein the pressure pipe is used for forming a geothermal pipe well; the liquid inlet pipe is communicated with the pressure pipe, and a circulating pump is arranged on the liquid inlet pipe; the liquid return pipe is communicated with the pressure pipe and is used for enabling the heat exchange medium to flow back to the pressure pipe; the ground source heat pump assembly is respectively communicated with the liquid inlet pipe and the liquid return pipe, and the ground source heat pump assembly is also connected with user equipment and used for supplying heat or absorbing heat to the user equipment. The geothermal pipe well in the pipe pressing and well forming underground heat exchange system is formed by pressing the pressing pipe into the ground, and the pipe wall of the pressing pipe is thin, so that the heat conduction efficiency is improved, the occupied area is small, and the cost is reduced.
Description
Technical Field
The utility model belongs to the technical field of geothermal equipment, and particularly relates to an underground heat exchange system for a pipe pressing well.
Background
Geothermal energy is a new clean energy, and under the condition that the environmental awareness of people is gradually enhanced and the energy is gradually tense, the reasonable development and utilization of geothermal resources are more and more favored by people. In the development of geothermal resources in China, through technical accumulation for many years, the geothermal heating benefit is obviously improved.
The existing geothermal well drilling is generally based on fully collecting, analyzing and researching existing geological and geophysical and chemical exploration data, a proper geographical position is selected for well drilling firstly and then pipe laying, and a pipeline is connected with a geothermal well and a heating system on the ground, so that the purposes of fully utilizing geothermal heat for heating and the like are achieved, and the utilization of energy is realized.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a pipe pressing and well forming underground heat exchange system, and aims to solve the technical problems of high construction strength, long construction time and low heat conduction efficiency of the existing geothermal drilling.
In order to achieve the above object, the technical scheme adopted by the utility model is to provide an underground heat exchange system for pressing a pipe into a well, which comprises:
a pressure pipe for forming a geothermal pipe well;
the liquid inlet pipe is communicated with the pressure pipe, and a circulating pump is arranged on the liquid inlet pipe;
the liquid return pipe is communicated with the pressure pipe and is used for enabling the heat exchange medium to flow back to the pressure pipe;
and the ground source heat pump assembly is respectively communicated with the liquid inlet pipe and the liquid return pipe, and is also connected with user equipment and used for supplying heat or absorbing heat to the user equipment.
As another embodiment of the present application, the crimp tube comprises:
the heating section is respectively communicated with the liquid inlet pipe and the liquid return pipe;
the thickening section is arranged at the bottom end of the heating section, and the outer diameter of the thickening section is larger than that of the heating section; and
the conical section is arranged at the bottom end of the thickening section.
As another embodiment of the application, the diameter of the thickening section is 4-10 mm larger than that of the heating section.
As another embodiment of this application, press pipe well-in-ground heat transfer system still include with the sleeve pipe of feed liquor pipe intercommunication, the sleeve pipe is inserted and is located in the heating section, sheathed tube outer wall with form the heating chamber between the inner wall of heating section, the top in heating chamber with return liquid pipe intercommunication, sheathed tube bottom is located the bottom in heating chamber.
As another embodiment of this application, the sleeve pipe with the feed liquor union coupling department is equipped with governing valve and first thermometer in series.
As another embodiment of the application, a plurality of the geothermal pipe wells are connected in parallel.
As another embodiment of this application, still be equipped with plate radiator on the feed liquor pipe, plate radiator's entry with the export of circulating pump communicates, export with the entry intercommunication of ground source heat pump subassembly.
As another embodiment of this application, still be equipped with the filter on the feed liquor pipe, the entry of filter with feed liquor pipe intercommunication, the export with the entry intercommunication of circulating pump.
As another embodiment of the present application, a first electronic control valve is disposed at an inlet of the ground source heat exchange assembly, and a second electronic control valve is disposed at an outlet of the ground source heat pump assembly.
The pipe pressing well underground heat exchange system provided by the utility model has the beneficial effects that: compared with the prior art, the underground heat exchange system for the pipe pressing and well forming of the utility model realizes the utilization of energy on the ground by exchanging the heat exchange medium with the geothermal energy, the heat exchange medium in the geothermal pipe well flows out from the liquid inlet pipe under the action of the circulating pump, sequentially passes through the circulating pump, the ground source heat pump assembly and the user equipment, and then flows back to the geothermal pipe well through the liquid return pipe, so that a circulating process is realized, the circulating pump provides power to ensure the circulating flow of the heat exchange medium, the ground source heat pump assembly realizes the conversion from low-grade heat energy to high-grade heat energy, and then the high-grade heat energy acts on the user equipment. The geothermal pipe well in the pipe pressing and well forming underground heat exchange system is formed by pressing the pressing pipe into the ground, and the pipe wall of the pressing pipe is thin, so that the heat conduction efficiency is improved, the occupied area is small, and the cost is reduced.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a pipe pressing well underground heat exchange system provided by an embodiment of the utility model;
in the figure: 1. a liquid inlet pipe; 2. a circulation pump; 3. a plate radiator; 4. a ground source heat pump assembly; 5. an electronic flow meter; 53. an automatic floating ball liquid replenishing valve; 6. a liquid return pipe; 7. pressing a pipe; 71. a thickening section; 72. a tapered section; 8. a sleeve; 9. adjusting a valve; 10. a first thermometer; 11. a filter; 12. a first electrically controlled valve; 13. a second electrically controlled valve; 14. a user equipment; 15. a second thermometer; 16. the horizon line.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
Referring now to fig. 1, a tubing-to-well subterranean heat exchange system of the present invention will now be described. The underground heat exchange system for pressing the pipe into the well comprises a pressing pipe 7, a liquid inlet pipe 1, a liquid return pipe 6 and a ground source heat pump assembly 4, wherein the pressing pipe 7 is used for forming a geothermal pipe well; the liquid inlet pipe 1 is communicated with the pressure pipe 7, and the liquid inlet pipe 1 is provided with a circulating pump 2; the liquid return pipe 6 is communicated with the pressure pipe 7 and is used for enabling the heat exchange medium to flow back to the pressure pipe 7; the ground source heat pump assembly 4 is respectively communicated with the liquid inlet pipe 1 and the liquid return pipe 6, and the ground source heat pump assembly 4 is further connected with the user equipment 14 for supplying heat or absorbing heat to the user equipment 14.
Compared with the prior art, the pipe pressing well underground heat exchange system provided by the utility model realizes the utilization of energy on the ground by exchanging heat exchange media with ground energy, the heat exchange media in the geothermal pipe well flows out of the liquid inlet pipe 1 under the action of the circulating pump 2, sequentially flows back to the geothermal pipe well through the circulating pump 2, the ground source heat pump assembly 4 and the user equipment 14 and then flows back to the geothermal pipe well through the liquid return pipe 6, a circulating process is realized, the circulating pump 2 provides power to ensure the circulating flow of the heat exchange media, the ground source heat pump assembly 4 realizes the conversion from low-grade heat energy to high-grade heat energy, and then the high-grade heat energy acts on the user equipment 14. The geothermal pipe well in the pipe pressing and well forming underground heat exchange system is formed by pressing the pressing pipe 7 into the ground directly, and the pipe wall of the pressing pipe 7 is thin, so that the heat conduction efficiency is improved, the occupied area is small, and the cost is reduced.
As a specific embodiment of the pipe-pressing well-forming underground heat exchange system provided by the present invention, please refer to fig. 1, the geothermal pipe well 7 comprises a heating section, a thickening section 71 and a conical section 72, wherein the heating section is respectively communicated with the liquid inlet pipe 1 and the liquid return pipe 6; the thickening section 71 is arranged at the bottom end of the heating section, and the outer diameter of the thickening section 71 is larger than that of the heating section; the tapered section 72 is provided at the bottom end of the thickened section 71. The thickening section 71 protects the quality of the heating section due to large diameter concentrated stress in the process of pressing the pressing pipe 7 into the ground, prolongs the service life of the pressing pipe 7, avoids frequent replacement and reduces the production cost; and the conical section 72 has a smaller end stress surface due to the conical structure, so that the construction of pressing the pressure pipe 7 into the ground is facilitated, and the labor intensity is reduced.
Referring to fig. 1, the diameter of the thickened section 71 is 4-10 mm larger than that of the heating section. Because the axial line of the pipe body can be ensured to be in a vertical state in the process that the pressure pipe 7 is pressed into the ground, the thickening section 71 in the value range can reduce the stress abrasion of the heating section while receiving the ground pressure, the cost is reduced, and the service life of the pressure pipe 7 is prolonged.
As a specific embodiment of the pipe pressing and well forming underground heat exchange system provided by the present invention, please refer to fig. 1, the pipe pressing and well forming underground heat exchange system further includes a sleeve 8 communicated with the liquid inlet pipe 1, the sleeve 8 is inserted into the heating section, a heating cavity is formed between an outer wall of the sleeve 8 and an inner wall of the heating section, a top of the heating cavity is communicated with the liquid return pipe 6, and a bottom end of the sleeve 8 is located at a bottom of the heating cavity. The sleeve is communicated with the liquid inlet pipe 1, the circulating pump 2 provides power, so that the heat exchange medium in the heating cavity enters the ground system through the sleeve 8 and then returns to the heating cavity through the liquid return pipe 6, the cyclic utilization of terrestrial heat is realized, and the implementation of the ground circulating system is ensured.
Specifically, the heat exchange medium may be water, coolant or other liquid heat-conducting media, and other auxiliary media may also be added to the heat exchange medium to protect the pipeline from being corroded by the heat exchange medium, so as to prolong the service life of the pipeline.
Referring to fig. 1, as a specific embodiment of the pressure tube-to-well underground heat exchange system provided by the present invention, a regulating valve 9 and a first thermometer 10 are connected in series at a connection between a casing tube 8 and a liquid inlet tube 1. The heat transfer medium flowing through the sleeve 8 can adjust the flow through the adjusting valve 9 to adapt to different requirements of users, and the first thermometer 10 can monitor the temperature at the position in real time and visually adjust the temperature in real time, so that the flow can be adjusted.
Referring to fig. 1, a plurality of geothermal pipe wells are connected in parallel, which is a specific embodiment of the underground heat exchange system of the pipe pressing well provided by the present invention. Every geothermol power tube well all is linked together with feed liquor pipe 1 and liquid return pipe 6 respectively, and a plurality of geothermol power tube wells form integrated system with the system on the ground, and this geothermol power tube well can replace traditional blind well, and simple structure, area is little, and heat exchange efficiency is high, does not burn and discharge fume, has reduced the pollution to the environment, does not need long distance transport moreover.
Referring to fig. 1, a plate radiator 3 is further disposed on a liquid inlet pipe 1, an inlet of the plate radiator 3 is communicated with an outlet of a circulating pump 2, and an outlet of the plate radiator is communicated with an inlet of a ground source heat pump assembly 4. The plate radiator 3 realizes the radiating process, and is combined with the ground source heat pump assembly 4 for use, the plate radiator 3 or the ground source heat pump assembly 4 can be independently used through the switching valve, and various use requirements are met.
Referring to fig. 1, a filter 11 is further disposed on the liquid inlet pipe 1, an inlet of the filter 11 is communicated with the liquid inlet pipe 1, and an outlet of the filter 11 is communicated with an inlet of the circulating pump 2. The filter 11 is used for filtering the impurity among the heat transfer medium, and when fluid process, the filter screen in the filter 11 is with the separation of impurity, and the more pure heat transfer medium flows to next equipment, and the filter 11 filters the life that impurity can guarantee various valves in the system, the life of extension system, reduce cost.
Referring to fig. 1, as a specific embodiment of the underground heat exchange system for pipe pressing and well forming provided by the present invention, a first electronic control valve 12 is disposed at an inlet of the ground source heat exchange assembly 4, and a second electronic control valve 13 is disposed at an outlet of the ground source heat pump assembly 4. When the user equipment 14 does not need high-power heat supply or heat absorption, the first electric control valve 12 and the second electric control valve 13 are opened, at the moment, the heat exchange medium in the pipeline directly enters the user equipment 14 from the outflow port of the plate type heat radiator 3, the ground source heat pump assembly 4 does not need to be used for work, the energy loss is saved, the circulation of the internal heat exchange medium is realized in a cold environment in winter, and the pipeline is prevented from being frozen and damaged.
When the ground source heat pump assembly 4 needs to work, the first electric control valve 12 and the second electric control valve 13 are in a closed state, at this time, the heat exchange medium enters from the left inlet of the ground source heat pump, enters the inside of the ground source heat pump assembly 4, flows out from the right inlet through internal circulation, enters the user equipment 14, the heat exchange medium coming out of the user equipment 14 firstly passes through the right outlet of the ground source heat pump assembly 4, enters the inside of the ground source heat pump assembly 4, and flows out from the left outlet through internal circulation, and circulation is achieved.
Referring to fig. 1, a second thermometer 15 is disposed on a liquid return pipe 6 at an outlet of a liquid replenishing assembly 5, the second thermometer 15 can detect a temperature at the outlet of the liquid replenishing assembly 5, when the temperature displayed by the second thermometer 15 is low, it indicates that the amount of heat exchange medium replenished by the liquid replenishing assembly 5 is too large, an automatic float ball liquid replenishing valve 53 can be manually closed to stop liquid replenishing, the flow rate of a circulating heat exchange medium is adjusted, and the working efficiency of the device is enhanced.
As a specific embodiment of the pressure tube well-forming underground heat exchange system provided by the utility model, please refer to fig. 1, an electronic flowmeter 5 is further arranged on the liquid return tube 6, the electronic flowmeter 5 is positioned at the outlet side of the second thermometer 15, and the electronic flowmeter 5 is arranged to facilitate observation of the liquid flow in the liquid return tube 6, so as to perform operations such as timely liquid supplement and the like, prevent insufficient heat exchange caused by insufficient liquid, and prevent pipeline damage caused by too much liquid and pressure rise.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. Pipe pressing becomes well underground heat transfer system, its characterized in that includes:
a pressure pipe for forming a geothermal pipe well;
the liquid inlet pipe is communicated with the pressure pipe, and a circulating pump is arranged on the liquid inlet pipe;
the liquid return pipe is communicated with the pressure pipe and is used for enabling the heat exchange medium to flow back to the pressure pipe;
and the ground source heat pump assembly is respectively communicated with the liquid inlet pipe and the liquid return pipe, and is also connected with user equipment and used for supplying heat or absorbing heat to the user equipment.
2. A forced tubing downhole heat exchange system according to claim 1, wherein said forced tubing comprises:
the heating section is respectively communicated with the liquid inlet pipe and the liquid return pipe;
the thickening section is arranged at the bottom end of the heating section, and the outer diameter of the thickening section is larger than that of the heating section; and
the conical section is arranged at the bottom end of the thickening section.
3. A tube-to-well underground heat exchange system according to claim 2, wherein the diameter of the thickened section is 4-10 mm larger than that of the heating section.
4. A pressure pipe well-pressing underground heat exchange system according to claim 3, further comprising a sleeve communicating with the liquid inlet pipe, wherein the sleeve is inserted into the heating section, a heating cavity is formed between the outer wall of the sleeve and the inner wall of the heating section, the top of the heating cavity is communicated with the liquid return pipe, and the bottom end of the sleeve is located at the bottom of the heating cavity.
5. A pressure pipe well-forming underground heat exchange system according to claim 4, wherein a regulating valve and a first thermometer are arranged in series at the connection of the sleeve pipe and the liquid inlet pipe.
6. A pressed-tube well-to-well subterranean heat exchange system according to claim 1, wherein a plurality of said geothermal tube wells are arranged in parallel.
7. A pressure pipe well-forming underground heat exchange system according to claim 1, wherein a plate radiator is further arranged on the liquid inlet pipe, an inlet of the plate radiator is communicated with an outlet of the circulating pump, and an outlet of the plate radiator is communicated with an inlet of the ground source heat pump assembly.
8. A pressure pipe well-forming underground heat exchange system according to claim 1, wherein the liquid inlet pipe is further provided with a filter, an inlet of the filter is communicated with the liquid inlet pipe, and an outlet of the filter is communicated with an inlet of the circulating pump.
9. A swage tube well-forming underground heat exchange system according to claim 1, wherein an inlet of the ground source heat exchange assembly is provided with a first electric control valve, and an outlet of the ground source heat pump assembly is provided with a second electric control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122368565.3U CN216204420U (en) | 2021-09-28 | 2021-09-28 | Pipe pressing well forming underground heat exchange system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122368565.3U CN216204420U (en) | 2021-09-28 | 2021-09-28 | Pipe pressing well forming underground heat exchange system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216204420U true CN216204420U (en) | 2022-04-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122368565.3U Active CN216204420U (en) | 2021-09-28 | 2021-09-28 | Pipe pressing well forming underground heat exchange system |
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| CN (1) | CN216204420U (en) |
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2021
- 2021-09-28 CN CN202122368565.3U patent/CN216204420U/en active Active
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