CN220173116U - Dry-hot rock perpetual temperature difference power generation system - Google Patents
Dry-hot rock perpetual temperature difference power generation system Download PDFInfo
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- CN220173116U CN220173116U CN202321351926.6U CN202321351926U CN220173116U CN 220173116 U CN220173116 U CN 220173116U CN 202321351926 U CN202321351926 U CN 202321351926U CN 220173116 U CN220173116 U CN 220173116U
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- 238000010248 power generation Methods 0.000 title claims abstract description 80
- 239000011435 rock Substances 0.000 title claims abstract description 71
- 238000009833 condensation Methods 0.000 claims abstract description 16
- 230000005494 condensation Effects 0.000 claims abstract description 16
- 238000001704 evaporation Methods 0.000 claims abstract description 16
- 230000008020 evaporation Effects 0.000 claims abstract description 16
- 238000001816 cooling Methods 0.000 claims abstract description 13
- 238000009413 insulation Methods 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 230000017525 heat dissipation Effects 0.000 claims description 14
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000012546 transfer Methods 0.000 description 8
- 230000005611 electricity Effects 0.000 description 7
- 239000007788 liquid Substances 0.000 description 6
- 238000004146 energy storage Methods 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000005484 gravity Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000004020 conductor Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000003287 bathing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
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- 230000008094 contradictory effect Effects 0.000 description 1
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- 239000012774 insulation material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
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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
Abstract
The utility model discloses a dry-hot rock perpetual thermoelectric power generation system which comprises thermoelectric power generation equipment, a first heat pipe assembly and a second heat pipe assembly, wherein the thermoelectric power generation equipment comprises a heat source end and a cold source end, heat in a geothermal region of the dry-hot rock is drawn through the first heat pipe assembly and transferred to the heat source end, a cooling structure is arranged at a condensation end of the thermoelectric power generation equipment, an evaporation end of the second heat pipe assembly is connected with the cold source end, and the thermoelectric power generation equipment generates power through the temperature difference between the heat source end and the cold source end. According to the technical scheme, the dry-hot rock perpetual temperature difference power generation system is provided, power generation is carried out by adopting temperature difference power generation equipment, geothermal resources of the dry-hot rock are utilized, heat energy can be directly converted into electric energy, the environment is not damaged, the utilization rate of the dry-hot rock is improved, the system is stable in working state and low in maintenance cost, continuous power generation operation can be carried out without providing any additional energy, all-weather operation can be carried out all the year round, and the service life is long.
Description
Technical Field
The utility model relates to the technical field of geothermal power generation, in particular to a dry-hot rock perpetual temperature difference power generation system.
Background
Geothermal energy is one of renewable energy sources with great prospects, and compared with other new energy sources such as solar energy, wind energy and biomass energy, the geothermal energy has the characteristics of wide distribution, small influence by external factors (such as day and night, wind speed and temperature difference), low carbon emission, low maintenance cost and the like. The China is surrounded by the Pacific zone and the Mediterranean-Himalayan zone, and geothermal resources are rich. However, conventional geothermal reservoirs are usually located near the ground where the temperature is high, the geological structure is active and the volcanic is active, and are limited by the reservoir sites and reserves, so that the abundant geothermal energy cannot be reasonably utilized. With the progress of geological exploration and development technology, deep geothermal resources of reservoirs such as dry hot rock and the like are receiving great attention. The dry-hot rock has wide geothermal resource distribution, large reserve and no geographical limitation, is an important field for future geothermal energy development, has few technology for generating electricity by using the dry-hot rock in China at present, and has low utilization rate of the dry-hot rock.
In view of the above, it is necessary to provide a dry-hot rock perpetual thermoelectric power generation system to solve the above-mentioned drawbacks.
Disclosure of Invention
The utility model mainly aims to provide a perpetual thermoelectric power generation system for dry hot rock, and aims to solve the problem of few existing dry hot rock power generation technologies.
In order to achieve the above-mentioned purpose, the utility model provides a dry-hot rock perpetual thermoelectric power generation system, which comprises a thermoelectric power generation device, a first heat pipe assembly and a second heat pipe assembly, wherein the thermoelectric power generation device comprises a heat source end and a cold source end, an evaporation end of the first heat pipe assembly is arranged in a dry-hot rock geothermal region and is used for drawing heat of the dry-hot rock geothermal region, a condensation end of the first heat pipe assembly is connected with the heat source end of the thermoelectric power generation device and is used for transmitting the heat to the heat source end of the thermoelectric power generation device, a cooling structure is arranged at the condensation end of the second heat pipe assembly, an evaporation end of the second heat pipe assembly is connected with the cold source end of the thermoelectric power generation device, and the thermoelectric power generation device generates power through the temperature difference between the heat source end and the cold source end.
Preferably, the first heat pipe assembly comprises a heat dissipation pipe section and a plurality of heat collection pipe sections, one end of each heat dissipation pipe section is connected with the heat source end of the thermoelectric power generation equipment, one end of each heat collection pipe section is arranged in a geothermal region of the dry hot rock and is used for drawing heat of the geothermal region of the dry hot rock, and the other end of each heat collection pipe section is communicated with the heat dissipation pipe section.
Preferably, the first heat pipe assembly further comprises a first heat insulating pipe, and the first heat insulating pipe is sleeved on the outer side wall of the heat dissipation pipe section.
Preferably, the first heat pipe assembly further comprises a plurality of second heat insulating pipes, the second heat insulating pipes are arranged in one-to-one correspondence with the heat collecting pipe sections, and the second heat insulating pipes are sleeved on the outer side walls of the heat collecting pipe sections.
Preferably, the first heat insulating pipe and the second heat insulating pipe are vacuum heat insulating.
Preferably, the radiating pipe section is arranged on the ground surface, the top end of the heat collecting pipe section is communicated with the side wall of the radiating pipe section, the bottom end of the heat collecting pipe section extends to the ground bottom and is arranged to the geothermal zone of the dry thermal rock, and a plurality of heat collecting pipe sections are arranged side by side.
Preferably, the cooling structure comprises a water tank, and the condensation end of the second heat pipe assembly is arranged in the water tank.
Preferably, the second heat pipe assembly comprises a heat pipe and a third heat insulation pipe, an evaporation end of the heat pipe is connected with the cold source end of the thermoelectric power generation equipment, a condensation end of the heat pipe is arranged in the water tank, and the third heat insulation pipe is sleeved on the outer side wall of the heat pipe; the heat conduction pipe comprises a vacuum capillary porous pipe, and a heat exchange medium is arranged in the vacuum capillary porous pipe.
Compared with the prior art, the dry-hot rock perpetual thermoelectric power generation system provided by the utility model has the following beneficial effects:
according to the technical scheme, the dry-hot rock perpetual thermoelectric power generation system is characterized in that the first heat pipe assembly is used for extending into the dry-hot rock geothermal region to draw heat of the dry-hot rock geothermal region, heat is provided for a heat source end of the thermoelectric power generation equipment, and meanwhile, the second heat pipe assembly is used for taking away heat of a cold source end of the thermoelectric power generation equipment, so that the cold source end is kept in a low-temperature state, the thermoelectric power generation equipment can generate power by utilizing temperature difference at two ends, the problem that the existing dry-hot rock power generation technology is few can be solved, the thermoelectric power generation equipment is used for generating power, the geothermal resource of the dry-hot rock is used, heat energy can be directly converted into electric energy, the environment is not damaged, the utilization rate of the dry-hot rock is improved, the working state of the system is stable, the maintenance cost is low, the practicability is high, all-weather operation can be realized, the service life is long, and the continuous thermoelectric power generation system can continuously generate power and operate without providing any energy.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of an embodiment of a dry-hot rock perpetual thermoelectric power generation system of the present utility model;
FIG. 2 is a schematic diagram of an application state structure of an embodiment of a dry-hot rock perpetual thermoelectric power generation system according to the present utility model;
fig. 3 is a schematic structural view of an embodiment of the thermoelectric generation device of the present utility model.
Reference numerals illustrate:
| reference numerals | Name of the name | Reference numerals | Name of the name |
| 100 | Power generation system | 24 | Second thermal insulation pipe |
| 1 | Thermoelectric power generation equipment | 3 | Second heat pipe assembly |
| 11 | Heat source end | 31 | Heat conduction pipe |
| 12 | Cold source end | 32 | Third thermal insulation pipe |
| 2 | First heat pipe assembly | 4 | Energy storage device |
| 21 | Heat dissipation pipe section | 200 | Dry-hot rock geothermal zone |
| 22 | Heat collecting pipe section | 300 | Pool |
| 23 | First heat insulating pipe | 400 | Ground surface |
The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. 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.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
Referring to fig. 1-3, the present utility model proposes a system 100 for generating electricity by continuously heating rock, wherein the system 100 comprises a thermoelectric power generation device 1, a first heat pipe assembly 2 and a second heat pipe assembly 3, the thermoelectric power generation device 1 comprises a heat source end 11 and a cold source end 12, an evaporation end of the first heat pipe assembly 2 is disposed in a geothermal area 200 of the hot rock and is used for drawing heat of the geothermal area 200 of the hot rock, a condensation end of the first heat pipe assembly 2 is connected with the heat source end 11 of the thermoelectric power generation device 1 and is used for transferring heat to the heat source end 11 of the thermoelectric power generation device 1, a cooling structure is disposed at the condensation end of the second heat pipe assembly 3, the evaporation end of the second heat pipe assembly 3 is connected with the cold source end 12 of the thermoelectric power generation device 1, and the thermoelectric power generation device 1 generates electricity by temperature difference between the heat source end 11 and the cold source end 12.
Specifically, the thermoelectric power generation device 1 is a thermoelectric generator, and adopts the thermocouple principle to directly convert heat energy into electric energy. The thermoelectric power generation equipment 1 comprises a heat source end 11 and a cold source end 12, heat of a geothermal region 200 of the dry hot rock is transferred to the heat source end 11 by adopting a first heat pipe assembly 2 at one side of the heat source end 11, the first heat pipe assembly 2 is a heat pipe, an evaporation end of the first heat pipe assembly 2 is arranged in the geothermal region 200 of the dry hot rock by utilizing a heat pipe principle, the heat of the geothermal region 200 of the dry hot rock is extracted, and the length of the first heat pipe is set according to the actual depth of the dry hot rock.
The heat exchange medium in the tube core, such as water, is heated and evaporated, and transfers the heat to the condensation end of the first heat pipe assembly 2, after the heat source end 11 of the thermoelectric power generation device 1 emits the heat, the liquid flows back to the evaporation end from two sides after the temperature of the heat source end 11 of the thermoelectric power generation device 1 is raised, so that a closed cycle is formed, and the heat of the geothermal region 200 of the dry hot rock is continuously transferred to the heat source end 11 of the thermoelectric power generation device 1 by the first heat pipe assembly 2.
In addition, when setting up first heat pipe assembly 2, only need set up a plurality of deep hole wells downwards at earth's surface 400, the bottom of a plurality of deep hole wells all extends to locate dry hot rock geothermal region 200, and first heat pipe assembly 2 sets up in the deep hole well to extend to the bottom of deep hole well, in order to obtain dry hot rock geothermal energy, green does not destroy ecological environment.
The heat exchange medium in the first heat pipe assembly 2 can be selected according to practical conditions, and water, liquid carbon dioxide or liquid nitrogen and the like can be selected.
In detail, the heat of the heat source end 11 of the thermoelectric power generation device 1 is partially transferred to the cold source end 12 of the thermoelectric power generation device 1, so that the low temperature state of the cold source end 12 needs to be maintained, the two ends of the thermoelectric power generation device 1 have corresponding temperature differences, a second heat pipe assembly 3 is arranged at one end of the cold source end 12 of the thermoelectric power generation device 1, the second heat pipe assembly 3 is a heat pipe, the evaporation end of the second heat pipe assembly 3 is connected with the cold source end 12 by utilizing the heat pipe principle, the condensation end of the second heat pipe assembly 3 is connected with a cooling structure, the second heat pipe assembly 3 is contacted with the cold source end 12 by the second heat pipe assembly 3, the heat of the cold source end 12 is absorbed, and the heat of the cold source end 12 is transferred to the cooling structure to be dissipated, so that the low temperature state of the cold source end 12 can be maintained.
It should be noted that the cooling structure may be a water tank or a ventilation cooling structure.
The heat exchange medium in the second heat pipe assembly 3 can be selected according to practical conditions, and water, liquid carbon dioxide or liquid nitrogen and the like can be selected.
As shown in fig. 3, the thermoelectric power generation device 1 is made of two different materials of P-type and N-type, which are made of metal conductor plates to form an electric circuit, one ends of the two materials are connected to each other and connected to the same metal conductor plate as a heat source end 11, and the other ends of the two materials are connected to each other and connected to the other metal conductor plate as a cold source end 12. The temperature of the heat source end 11 is higher than that of the cold source end 12, and because of different liveness of materials and different quantity of active electrons, voltage is generated at the two ends of the heat source end 11 and the cold source end 12, so that power can be supplied to a load.
It should be appreciated that, the technical scheme of the utility model designs the perpetual thermoelectric generation system 100 of the dry-hot rock, the first heat pipe assembly 2 is used to extend into the geothermal region of the dry-hot rock, the heat of the geothermal region of the dry-hot rock is drawn, the heat source end 11 of the thermoelectric generation device 1 is provided with heat, and meanwhile, the second heat pipe assembly 3 is used to take away the heat of the cold source end 12 of the thermoelectric generation device 1, so that the cold source end 12 maintains a low-temperature state, the thermoelectric generation device 1 can generate electricity by utilizing the temperature difference between the two ends, the problem of the prior art of the power generation of the dry-hot rock can be solved, the thermoelectric generation device is used for generating electricity, the geothermal resource of the dry-hot rock is utilized, the heat energy can be directly converted into electric energy, the system is green and environment-friendly, the ecological environment is not damaged, the utilization rate of the dry-hot rock is improved, the system is stable in working state, the maintenance cost is low, the practicability is strong, the power generation mode has no loss to the generator, scale and the like can be operated all year, the service life is long, and the perpetual thermoelectric generation system 100 can continuously generate electricity without providing any additional energy.
As a preferred embodiment of the present utility model, the first heat pipe assembly 2 includes a heat dissipation pipe section 21 and a plurality of heat collection pipe sections 22, one end of the heat dissipation pipe section 21 is connected to the heat source end 11 of the thermoelectric power generation device 1, one end of the heat collection pipe section 22 is disposed in a geothermal region of dry hot rock and is used for drawing heat of the geothermal region of dry hot rock, and the other end of the heat collection pipe section 22 is connected to the heat dissipation pipe section 21.
In detail, one end of the heat collecting pipe section 22 extends into the geothermal region of the dry thermal rock, extracts heat of the geothermal region of the dry thermal rock, and a plurality of heat collecting pipe sections 22 are arranged, so that more heat of the geothermal region of the dry thermal rock can be extracted, the heat radiating pipe section 21 contacts the thermoelectric generation device 1 to transfer heat to the heat source end 11 of the thermoelectric generation device 1, the temperature difference of two ends of the thermoelectric generation device 1 is increased, and the power generation output efficiency is improved.
As a preferred embodiment of the present utility model, the first heat pipe assembly 2 further includes a first heat insulating pipe 23, and the first heat insulating pipe 23 is sleeved on the outer sidewall of the heat dissipation pipe section 21.
It should be noted that the first heat insulating tube 23 is disposed on the outer side wall of the heat dissipation tube 21, so that the heat loss of the first heat tube assembly 2 can be reduced, the temperature can be effectively controlled, the heat dissipation tube 21 has good heat dissipation performance, and the heat can be better transferred to the heat source end 11 of the thermoelectric power generation device 1.
Further, the first heat pipe assembly 2 further includes a plurality of second heat insulation pipes 24, the second heat insulation pipes 24 are arranged in one-to-one correspondence with the heat collecting pipe sections 22, and the second heat insulation pipes 24 are sleeved on the outer side walls of the heat collecting pipe sections 22.
In detail, a plurality of second heat insulation pipes 24 are arranged, the plurality of second heat insulation pipes 24 are arranged in one-to-one correspondence with the plurality of heat collection pipe sections 22, the second heat insulation pipes 24 are sleeved on the outer side walls of the heat collection pipe sections 22 and used for carrying out heat insulation protection on the heat collection pipe sections 22, heat loss when a heat exchange medium passes through the heat collection pipe sections 22 is reduced, heat exchange between the heat exchange medium in the pipe and the external environment is reduced, the temperature of the heat exchange medium is kept, as much heat is transferred and collected as possible, and the temperature difference between two ends of the thermoelectric power generation equipment 1 is increased.
As a preferred embodiment of the present utility model, the first thermal insulation pipe 23 and the second thermal insulation pipe 24 are vacuum-insulated.
It should be understood that the type of thermal insulation pipe may be selected according to the actual circumstances, such as a thermal insulation material pipe, a foam pipe, a coating pipe, etc. In this embodiment, the first heat insulating pipe 23 and the second heat insulating pipe 24 are set in the form of vacuum heat insulating pipes, so that heat control can be realized in a limited space, efficient heat exchange is allowed, loss during heat transfer of the medium in the heat-dissipating pipe section 21 and the heat-collecting pipe section 22 can be effectively protected, the first heat pipe assembly 2 has good heat dissipation performance, the temperature difference at two ends of the thermoelectric power generation device 1 is increased, the power generation output efficiency is improved, and the utilization rate of dry-heat rock energy is improved.
As a preferred embodiment of the present utility model, the heat dissipating pipe section 21 is disposed on the ground 400, the top end of the heat collecting pipe section 22 is connected to the side wall of the heat dissipating pipe section 21, the bottom end of the heat collecting pipe section 22 extends to the ground to the geothermal zone 200 of the dry rock, and a plurality of heat collecting pipe sections 22 are disposed side by side.
In detail, the heat-dissipating tube section 21 is arranged on the ground 400, the thermoelectric power generation device 1 is also arranged on the ground 400, the heat-collecting tube section 22 extends into the geothermal region 200 of the dry thermal rock, the evaporation end of the heat-collecting tube section 22 is placed into the geothermal region 200 of the dry thermal rock for heating and evaporation, the heat-collecting tube section 22 transfers heat to the heat-dissipating tube section 21, and the heat-dissipating tube section 21 transfers heat to the heat source end 11 of the thermoelectric power generation device 1 for utilizing the geothermal energy of the dry thermal rock.
In addition, the plurality of heat collecting pipe sections 22 are arranged side by side and at uniform intervals, so that the heat collecting pipe sections 22 can draw more heat from the geothermal region 200 of the dry hot rock and transfer the heat to the heat source end 11 of the thermoelectric power generation device 1.
It should be noted that when the evaporation end of the first heat pipe assembly 2 is disposed in the geothermal region 200 of the dry-hot rock, the heat collecting pipe section 22 is disposed vertically, and the backflow of the working fluid can be satisfied by gravity, and when the first heat pipe assembly 2 is disposed horizontally according to the actual requirement or the backflow of the working fluid needs to resist gravity, a heat pipe with a capillary porous body core may be adopted, or other types of pipes meeting the requirement may also be adopted.
As a preferred embodiment of the present utility model, the cooling structure includes a sump 300, and the condensation end of the second heat pipe assembly 3 is disposed inside the sump 300.
Specifically, in this embodiment, the cooling structure is set as the water tank 300, and the cooling is performed on the condensation end of the second heat pipe assembly 3 by using the water tank 300.
As a preferred embodiment of the present utility model, the second heat pipe assembly 3 includes a heat pipe 31 and a third heat insulation pipe 32, an evaporation end of the heat pipe 31 is connected to the cold source end 12 of the thermoelectric power generation device 1, a condensation end of the heat pipe 31 is disposed in the water pool 300, and the third heat insulation pipe 32 is sleeved on an outer side wall of the heat pipe 31; the heat transfer pipe 31 includes a vacuum capillary porous pipe (not shown) having a heat exchange medium disposed inside.
It should be understood that the heat conduction pipe 31 is a heat pipe, and transfers heat of the cold source end 12 to the water tank 300 using the principle of the heat pipe; the position where the water pool 300 is arranged can be higher than the position of the thermoelectric generation device 1 or lower than the position of the thermoelectric generation device 1, and when the position is higher than the position of the thermoelectric generation device 1, the heat conduction pipe 31 does not need to be provided with a capillary structure, and the reflux of the working medium can be satisfied by means of gravity.
When the water pool 300 is arranged at a position lower than that of the thermoelectric generation device 1, the heat conduction pipe 31 can be arranged as a vacuum capillary porous pipe, and the working liquid can flow back against gravity by means of capillary force in use. In addition, in the practical application process, no matter where the position of the water tank is arranged, the vacuum capillary porous pipe can be directly adopted, so that the pipeline adaptability is enhanced. The diameter and length of the capillary are set according to the actual situation and the like.
It should be understood that the energy storage device 4 is further provided, the output end of the thermoelectric generation device 1 is connected with the energy storage device 4 through a wire, and electric energy is transmitted to the energy storage device 4 after the thermoelectric generation device 1 generates electricity.
In detail, the output end of the energy storage device 4 can be connected with electric equipment or a power supply network and the like, and the dry-hot rock perpetual temperature difference power generation system 100 is high in practicality and efficiency and can be used for farms, heating, cultivation, bathing and the like.
The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.
Claims (8)
1. A dry-hot rock perpetual thermoelectric power generation system is characterized by comprising thermoelectric power generation equipment, a first heat pipe assembly and a second heat pipe assembly,
the thermoelectric power generation equipment comprises a heat source end and a cold source end, the evaporation end of the first heat pipe assembly is arranged in a geothermal region of the dry hot rock and is used for drawing heat of the geothermal region of the dry hot rock, the condensation end of the first heat pipe assembly is connected with the heat source end of the thermoelectric power generation equipment and is used for transmitting the heat to the heat source end of the thermoelectric power generation equipment,
the condensation end of the second heat pipe assembly is provided with a cooling structure, the evaporation end of the second heat pipe assembly is connected with the cold source end of the thermoelectric power generation equipment, and the thermoelectric power generation equipment generates power through the temperature difference between the heat source end and the cold source end.
2. The system of claim 1, wherein the first heat pipe assembly comprises a heat-dissipating pipe section and a plurality of heat-collecting pipe sections, one end of the heat-dissipating pipe section is connected to the heat source end of the thermoelectric power generation device, one end of the heat-collecting pipe section is arranged in a geothermal region of the dry hot rock and is used for drawing heat in the geothermal region of the dry hot rock, and the other end of the heat-collecting pipe section is communicated with the heat-dissipating pipe section.
3. The dry-rock perpetual thermoelectric power generation system of claim 2, wherein the first heat pipe assembly further comprises a first heat insulating pipe sleeved on the outer side wall of the heat dissipation pipe section.
4. The dry-heated rock perpetual temperature-difference power generation system according to claim 3, wherein the first heat pipe assembly further comprises a plurality of second heat-insulating pipes, the second heat-insulating pipes are arranged in one-to-one correspondence with the heat collecting pipe sections, and the second heat-insulating pipes are sleeved on the outer side walls of the heat collecting pipe sections.
5. The dry-heated rock perpetual temperature-difference power generation system of claim 4, wherein the first heat-insulating pipe and the second heat-insulating pipe are vacuum-insulated.
6. The system of claim 2, wherein the heat-dissipating pipe section is disposed on the ground, the top end of the heat-collecting pipe section is connected to the side wall of the heat-dissipating pipe section, the bottom end of the heat-collecting pipe section extends to the ground bottom and is disposed to the geothermal area of the dry hot rock, and a plurality of heat-collecting pipe sections are disposed side by side.
7. The dry-hot rock perpetual thermoelectric power generation system of claim 1, wherein the cooling structure comprises a water tank, and the condensation end of the second heat pipe assembly is arranged in the water tank.
8. The dry-hot rock perpetual thermoelectric power generation system of claim 7, wherein the second heat pipe assembly comprises a heat pipe and a third heat insulation pipe, an evaporation end of the heat pipe is connected to the cold source end of the thermoelectric power generation equipment, a condensation end of the heat pipe is arranged in the water tank, and the third heat insulation pipe is sleeved on the outer side wall of the heat pipe; the heat conduction pipe comprises a vacuum capillary porous pipe, and a heat exchange medium is arranged in the vacuum capillary porous pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321351926.6U CN220173116U (en) | 2023-05-30 | 2023-05-30 | Dry-hot rock perpetual temperature difference power generation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321351926.6U CN220173116U (en) | 2023-05-30 | 2023-05-30 | Dry-hot rock perpetual temperature difference power generation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220173116U true CN220173116U (en) | 2023-12-12 |
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ID=89053999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321351926.6U Active CN220173116U (en) | 2023-05-30 | 2023-05-30 | Dry-hot rock perpetual temperature difference power generation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220173116U (en) |
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2023
- 2023-05-30 CN CN202321351926.6U patent/CN220173116U/en active Active
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