CN220017756U - Efficient heat exchange structure of U-shaped well - Google Patents
Efficient heat exchange structure of U-shaped well Download PDFInfo
- Publication number
- CN220017756U CN220017756U CN202321036145.8U CN202321036145U CN220017756U CN 220017756 U CN220017756 U CN 220017756U CN 202321036145 U CN202321036145 U CN 202321036145U CN 220017756 U CN220017756 U CN 220017756U
- Authority
- CN
- China
- Prior art keywords
- well
- water
- well body
- heat preservation
- water outlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 139
- 238000004321 preservation Methods 0.000 claims abstract description 58
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 11
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract description 11
- 241001330002 Bambuseae Species 0.000 claims abstract description 11
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract description 11
- 239000011425 bamboo Substances 0.000 claims abstract description 11
- 238000010992 reflux Methods 0.000 claims description 11
- 238000009413 insulation Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 9
- 238000010438 heat treatment Methods 0.000 abstract description 4
- 230000007423 decrease Effects 0.000 abstract description 2
- 210000001503 joint Anatomy 0.000 description 6
- 230000009471 action Effects 0.000 description 4
- 239000012535 impurity Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000012857 radioactive material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses a high-efficiency heat exchange structure of a U-shaped well, which comprises a water outlet well body, wherein the back surface of the water outlet well body is provided with a water inlet well body, the bottom of the water inlet well body is provided with a connecting transverse well, the inner cavity of the water outlet well body is provided with a heat preservation cylinder, the inner wall of the heat preservation cylinder is provided with a heat preservation groove, and the inner cavity of the heat preservation groove is provided with a heat preservation pipe. This high-efficient heat transfer structure of U type well pours into in the water inflow connection horizontal well in the water inlet well body, takes place heat exchange with geothermal reservoir and obtains geothermal energy, then the water after the heating is taken out from the water outlet well body, in the partial hot water can get into the insulating tube in the heat preservation groove in the heat preservation section of thick bamboo from the inlet tube simultaneously to this improves the problem of water outlet well body place environment, avoids water to lose too much heat when taking out from water outlet well body china, has realized the purpose of improving hot water ambient temperature, has solved the quick problem of hot water temperature decline in the current U type well heat transfer process.
Description
Technical Field
The utility model relates to the technical field of geothermal wells, in particular to a high-efficiency heat exchange structure of a U-shaped well.
Background
Geothermal resources refer to renewable thermal energy stored inside the earth, generally concentrated at the edges of the structural panels, originating from the decay of the earth's molten magma and radioactive materials. Geothermal resource is a valuable comprehensive mineral resource, and has the advantages of multiple functions and wide application, and is a clean energy resource which can be used for power generation, heating and the like. Geothermal wells are methods and devices for generating electricity by using geothermal energy with a well depth of about 3500 meters or hot spring water with a water temperature of more than 30 ℃, and geothermal energy is divided into high temperature, medium temperature and low temperature. Higher than 150 ℃ and exists in a steam form, belongs to high-temperature geothermal energy; the water and steam exist in the form of mixture of water and steam at 90-150 ℃, which belongs to medium-temperature geothermal energy; the temperature is higher than 25 ℃ and lower than 90 ℃, and the water is in the form of warm water, hot water and the like, and belongs to low-temperature geothermal energy. A geothermal well is successfully drilled in Fenghe Yingcun in Daxing area of Beijing city in the year 3 and 12 of 2010, the measured temperature reaches 103 ℃, the record of the Beijing geothermal water outlet temperature is broken, and the Beijing geothermal water outlet temperature becomes the first middle-temperature geothermal well of Beijing.
The utility model discloses a U type geothermal well, it includes vertical well and the butt joint well of setting up in underground, the butt joint chamber has been seted up to the lower extreme of vertical well, the butt joint intracavity wall is equipped with antiseep layer, the butt joint well includes vertical well section and horizontal well section, the one end of horizontal well section with the lower extreme of vertical well section communicates with each other and links as an organic wholely, its other end with the butt joint chamber is connected and communicates, the fixed cover in inner wall of vertical well, vertical well section and horizontal well section three respectively is equipped with well cementation sleeve pipe, the device has solved the seepage problem of butt joint position to prevent intermediate water and stratum contact, the protection groundwater resource, but the device exists when using this U type geothermal well, makes cold water injection water inlet well's process utilize surrounding rock to heat cold water to flow out the heat exchanger from the water outlet well at last, so as to realize the heat exchange, but in the ascending process of hot water from the water outlet well wall, the water outlet well wall still has provided with the heat preservation, and still has the difference with hot water, consequently can lead to the temperature to the heat exchange in the heat exchange well in the temperature reduction in the process of rising, thereby has solved the problem that the heat exchange efficiency is fast in the heat exchange process of this type U type has been solved in the heat exchange process of the existing type well.
Disclosure of Invention
The utility model aims to provide a high-efficiency heat exchange structure of a U-shaped well, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a high-efficient heat transfer structure of U type well, includes the water outlet well body, the back of water outlet well body is provided with the inlet well body, the bottom of inlet well body is provided with connects the horizontal well, the inner chamber of water outlet well body is provided with a heat preservation section of thick bamboo, the heat preservation groove has been seted up to the inner wall of a heat preservation section of thick bamboo, the inner chamber of heat preservation groove is provided with the insulating tube, the bottom of insulating tube is provided with the inlet tube.
Preferably, the water outlet well body is connected with the water inlet well body through a connecting transverse well
Preferably, the water inlet pipe penetrates through the heat preservation cylinder to the connecting transverse well.
Preferably, the inner cavity of the water inlet well body is provided with a reflux pump, the top of the reflux pump is provided with a second water inlet pipe, and the bottom of the reflux pump is provided with a water outlet pipe.
Preferably, a connecting pipe is arranged at the top of the water outlet well body, and the connecting pipe is connected with the heat preservation pipe and the second water inlet pipe.
Preferably, a filter screen is arranged in the inner cavity of the water inlet well body.
Preferably, an outer ring of the connecting transverse well is provided with a heat-insulating pipe sleeve.
Preferably, the outer ring of the water outlet well body is provided with a second heat insulation pipe sleeve.
Compared with the prior art, the utility model has the beneficial effects that:
1. this high-efficient heat transfer structure of U type well, through the play water well body, connect the horizontal well, play water well body, the heat preservation section of thick bamboo, the heat preservation groove, the heat preservation pipe, the cooperation of inlet tube is used, the rivers that pour into in the water well body connect the horizontal well, heat exchange takes place with geothermal reservoir and obtains geothermal energy, then the water after the heating is taken out from play water well body, in the heat preservation pipe in the heat preservation groove in the heat preservation section of thick bamboo can get into from the inlet tube simultaneously partly hot water, thereby the problem of the environment that goes out water well body is located is improved, the excessive heat of loss when avoiding water to take out from play water well body china has realized the purpose that improves hot water ambient temperature, the problem that hot water temperature descends very fast in the current U type well heat transfer process has been solved.
2. This high-efficient heat transfer structure of U type well uses through the cooperation of backwash pump, second inlet tube, drain pipe, connecting pipe, after partial hot water gets into the heat preservation pipe from the connecting pipe, under the effect of backwash pump, the hot water that is responsible for keeping warm can get into the second inlet tube from the connecting pipe again, then flows back into the inlet well body from the drain pipe and takes place heat exchange with geothermal reservoir again and obtain geothermal energy, has realized the purpose that the repeated backward flow of heat preservation water was used.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a cross-sectional view of the structure of the present utility model;
FIG. 3 is an enlarged view of the structure of the present utility model at A in FIG. 2;
fig. 4 is an enlarged view of B in fig. 1, which is a structural view of the present utility model.
In the figure: 1. a water well body; 2. an inlet well body; 3. connecting a transverse well; 4. a heat preservation cylinder; 5. a heat preservation groove; 6. a heat preservation pipe; 7. a water inlet pipe; 8. a reflux pump; 9. a second water inlet pipe; 10. a drain pipe; 11. a connecting pipe; 12. a filter screen; 13. a heat preservation pipe sleeve; 14. and the second heat-insulating pipe sleeve.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a high-efficient heat transfer structure of U type well, includes water outlet well body 1, and the back of water outlet well body 1 is provided with inlet well body 2, and the bottom of inlet well body 2 is provided with connects horizontal well 3, and the inner chamber of water outlet well body 1 is provided with heat preservation section of thick bamboo 4, and heat preservation groove 5 has been seted up to the inner wall of heat preservation section of thick bamboo 4, and the inner chamber of heat preservation groove 5 is provided with insulating tube 6, and the bottom of insulating tube 6 is provided with inlet tube 7.
Wherein, the water outlet well body 1 is connected with the water inlet well body 2 through the connecting transverse well 3
Wherein, the water inlet pipe 7 penetrates through the heat preservation cylinder 4 to the connecting transverse well 3.
Wherein, the inner chamber of inlet well body 2 is provided with backwash pump 8, and the top of backwash pump 8 is provided with second inlet tube 9, and the bottom of backwash pump 8 is provided with drain pipe 10.
In this embodiment, the water injected into the water inlet well body 2 flows into the connecting horizontal well 3, exchanges heat with the geothermal reservoir to obtain geothermal energy, and then the heated water is extracted from the water outlet well body 1, and meanwhile, part of hot water enters the heat insulation pipe 6 in the heat insulation groove 5 in the heat insulation barrel 4 from the water inlet pipe 7, so that the problem of the environment where the water outlet well body 1 is located is solved, excessive heat loss when the water is taken out from the water outlet well body 1 is avoided, and the purpose of improving the environment temperature of the hot water is achieved.
Wherein, the top of play water well body 1 is provided with connecting pipe 11, and connecting pipe 11 is connected with heat preservation pipe 6 second inlet tube 9.
In this embodiment, after part of hot water enters the heat preservation pipe 6 from the connecting pipe 7, under the action of the reflux pump 8, the hot water responsible for heat preservation enters the second water inlet pipe 9 again from the connecting pipe 11, then flows back to the water inlet well body 2 from the water outlet pipe 10 to exchange heat with the geothermal reservoir again to obtain geothermal energy, so that the purpose of repeated reflux use of the heat preservation water is achieved.
Wherein, the inner cavity of the inlet well body 2 is provided with a filter screen 12.
In this embodiment, water to be heated is injected into the inlet well body 2, and the injected water is filtered under the action of the filter screen 12, so that the influence of excessive impurities in the water to the subsequent heat exchange efficiency is avoided.
Wherein, the outer lane of connecting horizontal well 3 is provided with heat preservation pipe box 13.
Wherein, the outer lane of the water outlet well body 1 is provided with a second heat preservation pipe sleeve 14.
In this embodiment, the heat preservation pipe sleeve 13 and the second heat preservation pipe sleeve 14 are used for respectively preserving heat of the horizontal well 3 and the water outlet well body 1, so that the temperature of hot water is prevented from falling too fast, and the heat exchange efficiency is further improved.
Working principle: when in use, water to be heated is injected into the water inlet well body 2, and the injected water is filtered under the action of the filter screen 12, so that the influence of excessive impurities in the water to the subsequent heat exchange efficiency is avoided; the water injected into the water inlet well body 2 flows into the connecting transverse well 3 to exchange heat with a geothermal reservoir to obtain geothermal energy, then the heated water is extracted from the water outlet well body 1, and part of hot water enters the heat preservation pipe 6 in the heat preservation groove 5 in the heat preservation cylinder 4 from the water inlet pipe 7, so that the problem of the environment where the water outlet well body 1 is positioned is solved, excessive heat loss when the water is taken out from the water outlet well body 1 is avoided, the aim of improving the environment temperature of the hot water is fulfilled, and the problem that the temperature of the hot water is fast to drop in the heat exchange process of the conventional U-shaped well is solved; after part of hot water enters the heat preservation pipe 6 from the connecting pipe 7, under the action of the reflux pump 8, the hot water responsible for heat preservation can enter the second water inlet pipe 9 again from the connecting pipe 11, then flows back into the water inlet well body 2 from the water outlet pipe 10 to exchange heat with the geothermal reservoir again to obtain geothermal energy, and the purpose of repeatedly reflux use of the heat preservation water is realized; the horizontal well 3 and the water outlet well body 1 are respectively connected through the heat preservation pipe sleeve 13 and the second heat preservation pipe sleeve 14, so that the temperature of hot water is prevented from falling too fast, and the heat exchange efficiency is further improved.
In summary, through the cooperation of play water well body, connect the horizontal well, play water well body, heat preservation section of thick bamboo, the heat preservation groove, the insulating tube, the cooperation of inlet tube is used, the rivers that are poured into the water inlet well body are connected in the horizontal well, heat exchange takes place with geothermal reservoir and obtain geothermal energy, then the water after the heating is taken out from play water well body, simultaneously part hot water can get into in the insulating tube in the heat preservation groove in the heat preservation section of thick bamboo from the inlet tube, thereby improve the problem of play water well body place environment, avoid water to run off too much heat when taking out from play water well body china, realized the purpose that improves hot water ambient temperature, solved the problem that hot water temperature decline is faster in the current U type well heat transfer process.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a high-efficient heat transfer structure of U type well, includes water outlet well body (1), its characterized in that: the back of play water well body (1) is provided with inlet well body (2), the bottom of inlet well body (2) is provided with connects horizontal well (3), the inner chamber of play water well body (1) is provided with heat preservation section of thick bamboo (4), heat preservation groove (5) have been seted up to the inner wall of heat preservation section of thick bamboo (4), the inner chamber of heat preservation groove (5) is provided with insulating tube (6), the bottom of insulating tube (6) is provided with inlet tube (7).
2. The efficient heat exchange structure of a U-well of claim 1, wherein: the water outlet well body (1) is connected with the water inlet well body (2) through the connecting transverse well (3).
3. The efficient heat exchange structure of a U-well of claim 1, wherein: the water inlet pipe (7) penetrates through the heat preservation cylinder (4) to be connected with the transverse well (3).
4. The efficient heat exchange structure of a U-well of claim 1, wherein: the inner cavity of the water inlet well body (2) is provided with a reflux pump (8), the top of the reflux pump (8) is provided with a second water inlet pipe (9), and the bottom of the reflux pump (8) is provided with a water outlet pipe (10).
5. The efficient heat exchange structure of a U-well of claim 1, wherein: the top of the water outlet well body (1) is provided with a connecting pipe (11), and the connecting pipe (11) is connected with the heat preservation pipe (6) and the second water inlet pipe (9).
6. The efficient heat exchange structure of a U-well of claim 1, wherein: the inner cavity of the water inlet well body (2) is provided with a filter screen (12).
7. The efficient heat exchange structure of a U-well of claim 1, wherein: an outer ring of the connecting transverse well (3) is provided with a heat insulation pipe sleeve (13).
8. The efficient heat exchange structure of a U-well of claim 1, wherein: the outer ring of the water outlet well body (1) is provided with a second heat preservation pipe sleeve (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321036145.8U CN220017756U (en) | 2023-05-04 | 2023-05-04 | Efficient heat exchange structure of U-shaped well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321036145.8U CN220017756U (en) | 2023-05-04 | 2023-05-04 | Efficient heat exchange structure of U-shaped well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220017756U true CN220017756U (en) | 2023-11-14 |
Family
ID=88685523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321036145.8U Active CN220017756U (en) | 2023-05-04 | 2023-05-04 | Efficient heat exchange structure of U-shaped well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220017756U (en) |
-
2023
- 2023-05-04 CN CN202321036145.8U patent/CN220017756U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103453571B (en) | A kind of closed circulation heating system | |
| CN111964133A (en) | Waste oil well geothermal energy seasonal heat storage system for heating in winter | |
| CN209084871U (en) | A kind of heat exchange of mid-deep strata underground heat well, heating system | |
| CN220017756U (en) | Efficient heat exchange structure of U-shaped well | |
| CN210051015U (en) | Heat pipe type dry and hot rock heat exchanger | |
| CN111076435A (en) | Underground multi-loop heat exchange method for geothermal well | |
| CN215216745U (en) | Middle-deep large-aperture concentric heat exchange structure | |
| CN109708329A (en) | Enhanced ground heat exchanger utilization system and the method for operation | |
| CN204574445U (en) | A kind of electric heater utilizing heating installation auxiliary heating | |
| CN204153994U (en) | High energy efficiency vacuum tube | |
| CN208846521U (en) | Solar cross-season accumulation of energy and earth source heat pump combined heating system | |
| CN214581922U (en) | Sleeve type heat exchange well system capable of storing heat | |
| CN206540327U (en) | A kind of high power concentrator type solar heat-preservation device | |
| CN201748650U (en) | Heat exchange device of water-storage wall-mounted gas boiler | |
| CN207334883U (en) | A kind of solar energy heating system of building | |
| CN205939730U (en) | Double tub of solid matter solar energy collection allies oneself with soot collector | |
| CN204041040U (en) | A kind of heavy crude heat extraction device | |
| CN204478537U (en) | Solar energy heat collector | |
| CN220552120U (en) | Medium-deep high-efficiency geothermal single-well coaxial heat exchange system | |
| CN201269619Y (en) | Fast-heating energy-saving electric water heater | |
| CN206094601U (en) | Multi -functional double -cabin solar water heater | |
| CN206131499U (en) | Do circulation of hot dry rock (EGS) individual well and adopt heat facility | |
| CN203298509U (en) | Heat pipe type solar water heating system | |
| CN213335002U (en) | Flat plate type solar heat collector | |
| CN108679697A (en) | A kind of rapid extraction ground source heat high energy efficiency heating system and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |