CN220355769U - Closed single well circulation heat exchanger - Google Patents
Closed single well circulation heat exchanger Download PDFInfo
- Publication number
- CN220355769U CN220355769U CN202321410514.5U CN202321410514U CN220355769U CN 220355769 U CN220355769 U CN 220355769U CN 202321410514 U CN202321410514 U CN 202321410514U CN 220355769 U CN220355769 U CN 220355769U
- Authority
- CN
- China
- Prior art keywords
- heat
- heat exchange
- conveying pipe
- fixedly arranged
- pipe
- 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
- 230000001681 protective effect Effects 0.000 claims abstract description 17
- 238000009413 insulation Methods 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 239000003673 groundwater Substances 0.000 abstract description 18
- 238000004321 preservation Methods 0.000 abstract description 6
- 230000007797 corrosion Effects 0.000 abstract description 4
- 238000005260 corrosion Methods 0.000 abstract description 4
- 239000012535 impurity Substances 0.000 abstract description 4
- 238000010521 absorption reaction Methods 0.000 abstract description 3
- 230000006835 compression Effects 0.000 abstract description 3
- 238000007906 compression Methods 0.000 abstract description 3
- 230000002829 reductive effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract 1
- 239000004576 sand Substances 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000000126 substance Substances 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 provides a closed single well circulation heat exchange device, which relates to the technical field of energy exploitation and comprises: a bottom plate; the protection cylinder is fixedly arranged on the outer surface of the bottom plate close to the bottom; the conveying pipe is fixedly arranged in the inner cavity of the protective cylinder, and the outer surface of the conveying pipe is fixedly sleeved with a heat preservation sleeve. When the heat pump is used, the circulating pump is started to pump the groundwater which drives heat energy into the heat exchange box through the conveying pipe, the filter screen is fixedly arranged at the bottom of the conveying pipe, impurities in the groundwater can be better filtered by the filter screen, scaling, blockage and corrosion of the inner wall of the conveying pipe are avoided, the heat insulation sleeve is fixedly sleeved on the outer surface of the conveying pipe, the heat loss of heat in the conveying process can be reduced by the heat insulation sleeve, the heat pump can send the heat from the low-temperature end to the high-temperature end, the low-temperature dispersed heat in a specific environment is gathered in an absorption and compression mode, and the cooled groundwater is conveyed back to the ground through the return pipe, so that the groundwater can be prevented from being exhausted.
Description
Technical Field
The utility model relates to the technical field of energy exploitation, in particular to a closed single well circulation heat exchange device.
Background
The geothermal energy is a renewable clean energy source which is green, low in carbon, capable of being recycled, has the characteristics of large in reserves, wide in distribution, clean, environment-friendly, stable, reliable and the like, is a clean energy source which is practical and feasible and has competitive capacity, is an energy resource in a heat energy form, has the advantages of being free from the influence of day and night and weather, large in energy flow density, stable in operation and the like compared with solar energy and wind energy, and has good application prospect in the field of building heat supply in northern areas of China.
However, in the prior art, when geothermal energy is extracted, most heat exchange devices are used for extracting geothermal energy by drilling wells and then placing pipelines in the wells, but the outer surfaces of the conveying pipelines are generally collided by stone sand flowing in the wells when the geothermal energy is extracted, so that the pipelines are damaged for a long time to influence the use, and most circulating pipelines are directly arranged beside the conveying pipelines, so that the temperature of the geothermal energy is reduced to influence the extraction and the use, and the recovery of the geothermal energy is influenced to reduce the continuous extraction and the use.
Disclosure of Invention
The utility model aims to solve the problems that in the prior art, when geothermal energy exploitation is carried out, most heat exchange devices are used for extracting geothermal energy by drilling and then placing pipelines into a well, but when the geothermal energy is extracted, the outer surface of a conveying pipeline is always collided by stone sand flowing in the well, so that the pipelines are damaged for a long time to influence the use, and most circulating pipelines are directly arranged beside the conveying pipeline, so that the temperature of the geothermal energy is reduced to influence the exploitation and the use, and the recovery of the geothermal energy is influenced to reduce the continuous exploitation and the use.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: closed single well circulation heat transfer device includes: a bottom plate;
the protection cylinder is fixedly arranged on the outer surface of the bottom plate close to the bottom;
the conveying pipe is fixedly arranged in the inner cavity of the protective cylinder, the outer surface of the conveying pipe is fixedly sleeved with a heat preservation sleeve, and the outer surface of the conveying pipe is fixedly sleeved with a plurality of support plates;
the two return pipes are fixedly embedded in the inner cavities of the plurality of support plates;
the two fixing holes are fixedly formed in the outer surface of the protection cylinder.
Preferably, one end of each return pipe is fixedly embedded in the inner cavity of the corresponding fixing hole, each connecting pipe is fixedly installed on the outer surface of each return pipe close to the other end, and each water valve is fixedly installed on the outer surface of each connecting pipe.
Preferably, the outer surface of the bottom plate close to the top is fixedly provided with a heat exchange box, the outer surface of the heat exchange box is fixedly provided with a circulating pump, and one ends of the two connecting pipes are fixedly arranged on the outer surfaces of the two sides of the heat exchange box.
Preferably, the filter screen is fixedly arranged on the outer surface of the conveying pipe close to the bottom, the L-shaped water inlet pipe is fixedly connected with the outer surface of the conveying pipe close to the top, and the other end of the L-shaped water inlet pipe is fixedly arranged on the outer surface of the heat exchange box.
Preferably, the outer surface of the base plate close to one side is fixedly provided with a fixing plate, and the inner cavity of the fixing plate is fixedly embedded with a heat pump.
Preferably, the outer surface of the bottom plate close to the top is fixedly provided with a round shaft, and the outer surface of the round shaft is movably sleeved with a semicircular cover.
Compared with the prior art, the utility model has the advantages and positive effects that,
1. when the heat pump is used, the circulating pump is started to pump the groundwater which drives heat energy into the heat exchange box through the conveying pipe, the filter screen is fixedly arranged at the bottom of the conveying pipe, the filter screen can better filter impurities in the groundwater, scaling, blockage and corrosion of the inner wall of the conveying pipe are avoided, the heat preservation sleeve is fixedly sleeved on the outer surface of the conveying pipe, the heat preservation sleeve can reduce the loss of heat in the transmission process, the heat pump can send the heat from the low-temperature end to the high-temperature end, the low-temperature dispersed heat in a specific environment is gathered in an absorption and compression mode, and the cooled groundwater is conveyed back to the ground through the return pipe, so that the groundwater can be ensured not to be exhausted.
2. According to the utility model, the outer surfaces of the conveying pipe and the return pipe are fixedly sleeved with the protective cylinder, the protective cylinder can better protect the conveying pipe and the return pipe from being corroded by sand, the service life is better prolonged, the rotary semicircular cover rotates on the outer surface of the circular shaft, so that the semicircular cover can be opened, the heat of the exhaust fan can be better discharged in the protective cylinder, the damage of the conveying pipe and the return pipe caused by overhigh internal stability is prevented, and the inner cavity of the protective cylinder is fixedly arranged on a plurality of supporting plates, so that the conveying pipe and the return pipe can be better supported, and the vibration during conveying of underground water is prevented from affecting the conveying.
Drawings
FIG. 1 is a schematic diagram of a closed single well circulation heat exchange device according to the present utility model;
FIG. 2 is a schematic side view of a closed single well circulation heat exchange device according to the present utility model;
FIG. 3 is a schematic cross-sectional view of a closed single well circulation heat exchange device according to the present utility model;
fig. 4 is a schematic diagram of a partial cross-sectional structure of a closed single well circulation heat exchange device according to the present utility model.
Legend description:
1. a bottom plate; 101. a circular shaft; 102. a semicircular cap; 103. a connecting pipe; 104. a water valve; 105. an L-shaped water inlet pipe; 106. a heat exchange box; 107. a circulation pump; 108. a fixing plate; 109. a heat pump; 2. a protective cylinder; 201. a return pipe; 202. a fixing hole; 203. a transfer tube; 204. a filter screen; 205. a thermal insulation sleeve; 206. and a support plate.
Detailed Description
In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.
Embodiment 1 as shown in fig. 1 to 4, the present utility model provides a closed single well circulation heat exchange device, comprising: a base plate 1;
the protective cylinder 2 is fixedly arranged on the outer surface of the bottom plate 1 close to the bottom;
the conveying pipe 203 is fixedly arranged in the inner cavity of the protective cylinder 2, a thermal insulation sleeve 205 is fixedly sleeved on the outer surface of the conveying pipe 203, and a plurality of support plates 206 are fixedly sleeved on the outer surface of the conveying pipe 203;
two return pipes 201 are fixedly embedded in the inner cavities of the plurality of support plates 206;
both fixing holes 202 are fixedly formed on the outer surface of the protective cylinder 2.
Further, as shown in fig. 1-4, one ends of the two return pipes 201 are fixedly embedded in the inner cavity of the fixing hole 202, the outer surfaces of the two return pipes 201 close to the other ends are fixedly provided with the connecting pipes 103, the outer surfaces of the two connecting pipes 103 are fixedly provided with the water valves 104, the return pipes 201 can better convey the cooled groundwater back to the ground, and therefore the fact that the groundwater cannot be exhausted can be guaranteed, and the water valves 104 can control the connecting pipes 103.
Further, as shown in fig. 1-4, the outer surface of the bottom plate 1 near the top is fixedly provided with a heat exchange box 106, the outer surface of the heat exchange box 106 is fixedly provided with a circulating pump 107, one ends of two connecting pipes 103 are fixedly provided on the outer surfaces of two sides of the heat exchange box 106, the circulating pump 107 can better pump groundwater into the heat exchange box 106 through the conveying pipe 203, and then the cooled groundwater is discharged back to the ground through the return pipe 201.
Further, as shown in fig. 1-4, the outer surface of the conveying pipe 203 close to the bottom is fixedly provided with a filter screen 204, the outer surface of the conveying pipe 203 close to the top is fixedly connected with an L-shaped water inlet pipe 105, the other end of the L-shaped water inlet pipe 105 is fixedly arranged on the outer surface of the heat exchange box 106, the filter screen 204 can better filter impurities in groundwater, scaling, blockage and corrosion of the inner wall of the conveying pipe 203 are avoided, the service life is better prolonged, and the heat exchange box 106 can better exchange and extract heat energy for use.
Further, as shown in fig. 1-4, a fixing plate 108 is fixedly installed on the outer surface of the base plate 1 near one side, and a heat pump 109 is fixedly embedded in an inner cavity of the fixing plate 108, so that the heat pump 109 can send heat from a low-temperature end to a high-temperature end, and heat energy can be better absorbed for use.
Further, as shown in fig. 1-4, the outer surface of the bottom plate 1 close to the top is fixedly provided with a circular shaft 101, the outer surface of the circular shaft 101 is movably sleeved with a semicircular cover 102, and the semicircular cover 102 is opened by rotating, so that the heat of the exhaust fan in the protective cylinder 2 can be better removed, and the damage to the conveying pipe 203 and the return pipe 201 caused by overhigh internal stability can be prevented.
Working principle: when in use, the bottom plate 1 is fixedly arranged at a wellhead, the circulating pump 107 is started to pump groundwater which drives heat energy into the heat exchange box 106 through the conveying pipe 203, the filter screen 204 is fixedly arranged at the bottom of the conveying pipe 203, the filter screen 204 can better filter impurities in the groundwater, scaling, blockage and corrosion of the inner wall of the conveying pipe 203 are avoided, the service life is better prolonged, the heat preservation sleeve 205 is fixedly sleeved on the outer surface of the conveying pipe 203, the heat preservation sleeve 205 can reduce the loss of heat in the transmission process, then the heat pump 109 is started to absorb the heat energy in the heat exchange box 106 for use, the heat pump 109 can send the heat energy from the low temperature end to the high temperature end, and the scattered heat at low temperature in a specific environment is gathered in an absorption and compression mode, the inside groundwater after cooling of heat exchange box 106 passes through two connecting pipes 103 and transmits back to the back flow 201 through the back flow 201 at last to can guarantee that groundwater can not run out, the fixed cover of surface of transfer pipe 203 and back flow 201 has established protective cylinder 2, protective cylinder 2 can protect transfer pipe 203 and back flow 201 better can not receive the erosion of sand, improve life better, rotate semicircle lid 102 and rotate at the surface of circle axle 101, thereby can open semicircle lid 102, can be better to the equal exhaust fan heat of the inside of protective cylinder 2, prevent that inside stable is too high from causing transfer pipe 203 and back flow 201 to damage, protective cylinder 2 inner chamber fixed mounting can play the supporting role to transfer pipe 203 and back flow 201 better at a plurality of backup pads 206, rock when conveying groundwater influence transmission is prevented.
The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.
Claims (6)
1. Closed single well circulation heat transfer device, its characterized in that includes:
a bottom plate (1);
the protection cylinder (2) is fixedly arranged on the outer surface of the bottom plate (1) close to the bottom;
the conveying pipe (203) is fixedly arranged in the inner cavity of the protective cylinder (2), a thermal insulation sleeve (205) is fixedly sleeved on the outer surface of the conveying pipe (203), and a plurality of supporting plates (206) are fixedly sleeved on the outer surface of the conveying pipe (203);
the two return pipes (201) are fixedly embedded in the inner cavities of the plurality of support plates (206);
the two fixing holes (202) are fixedly arranged on the outer surface of the protective cylinder (2).
2. The closed single well circulation heat exchange device of claim 1, wherein: one end of each return pipe (201) is fixedly embedded in the inner cavity of each fixing hole (202), each connecting pipe (103) is fixedly installed on the outer surface of each return pipe (201) close to the other end, and each water valve (104) is fixedly installed on the outer surface of each connecting pipe (103).
3. The closed single well circulation heat exchange device of claim 2, wherein: the heat exchange device is characterized in that a heat exchange box (106) is fixedly arranged on the outer surface of the bottom plate (1) close to the top, a circulating pump (107) is fixedly arranged on the outer surface of the heat exchange box (106), and one ends of the two connecting pipes (103) are fixedly arranged on the outer surfaces of two sides of the heat exchange box (106).
4. The closed single well circulation heat exchange device of claim 1, wherein: the outer surface of the conveying pipe (203) close to the bottom is fixedly provided with a filter screen (204), the outer surface of the conveying pipe (203) close to the top is fixedly connected with an L-shaped water inlet pipe (105), and the other end of the L-shaped water inlet pipe (105) is fixedly arranged on the outer surface of the heat exchange box (106).
5. The closed single well circulation heat exchange device of claim 1, wherein: the heat pump is characterized in that a fixing plate (108) is fixedly arranged on the outer surface of one side, close to the bottom plate (1), of the bottom plate, and a heat pump (109) is fixedly embedded in an inner cavity of the fixing plate (108).
6. The closed single well circulation heat exchange device of claim 1, wherein: the outer surface of the bottom plate (1) close to the top is fixedly provided with a round shaft (101), and the outer surface of the round shaft (101) is movably sleeved with a semicircular cover (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321410514.5U CN220355769U (en) | 2023-06-05 | 2023-06-05 | Closed single well circulation heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321410514.5U CN220355769U (en) | 2023-06-05 | 2023-06-05 | Closed single well circulation heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220355769U true CN220355769U (en) | 2024-01-16 |
Family
ID=89476059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321410514.5U Active CN220355769U (en) | 2023-06-05 | 2023-06-05 | Closed single well circulation heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220355769U (en) |
-
2023
- 2023-06-05 CN CN202321410514.5U patent/CN220355769U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU2019359836B2 (en) | Multilevel deep well cooling and geothermal utilization system and process | |
| CN110657594A (en) | Closed circulation deep geothermal energy exploitation system | |
| CN109869935B (en) | Geothermal energy composite operation system | |
| CN202304084U (en) | Horizontal buried pipe type ground source heat pump water heating and air conditioning system | |
| CN203880988U (en) | Deep dry heat rock stratum geotherm combined heat exchange system | |
| CN106322830A (en) | Efficient downhole heat extraction system for middle-deep geothermal energy | |
| CN203216151U (en) | Buried pipe for ground source heat pump | |
| CN220355769U (en) | Closed single well circulation heat exchanger | |
| CN206113409U (en) | Deep geotherm gets thermal system in pit in high efficiency | |
| CN206113383U (en) | Well deep geotherm gets thermal system in pit | |
| CN201311022Y (en) | Shallow-groundwater air conditioner applicable to mobile communication base station | |
| CN210051015U (en) | Heat pipe type dry and hot rock heat exchanger | |
| CN202973660U (en) | Energy storage circulating system of underground aquifer structural layer | |
| CN204388428U (en) | Lithic drainage is unified soil source system mixed heat transfer system | |
| CN102692097A (en) | Energy storage circulating system for underground water-containing structural layer | |
| CN202304082U (en) | Surface water ground source heat pump hot water and air-conditioning system | |
| CN1844587A (en) | Underground energy source collecting pile | |
| CN112050489B (en) | Air source heat exchange system | |
| CN112378104B (en) | Heat storage type geothermal energy full-well-section dry well heat production system and application | |
| CN209840335U (en) | Mine water waste heat extraction and utilization system | |
| CN211400375U (en) | Ground source heat pump heating system | |
| CN114719456A (en) | Underground heat transfer enhancement system for medium-deep geothermal energy | |
| CN205191983U (en) | Water source heat pump cycle system based on weather conditions is different | |
| CN204880863U (en) | Solar energy energy storage and low warm air interaction system that can compound | |
| CN214887189U (en) | Air cooler for cooling metal mine underground hot environment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |