CN218467758U - Temperature difference energy power generation device using submarine hydrothermal solution as heat source - Google Patents
Temperature difference energy power generation device using submarine hydrothermal solution as heat source Download PDFInfo
- Publication number
- CN218467758U CN218467758U CN202221919066.7U CN202221919066U CN218467758U CN 218467758 U CN218467758 U CN 218467758U CN 202221919066 U CN202221919066 U CN 202221919066U CN 218467758 U CN218467758 U CN 218467758U
- Authority
- CN
- China
- Prior art keywords
- power generation
- thermoelectric power
- generation unit
- distribution plate
- heat
- 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
Images
Abstract
The utility model relates to an ocean energy development technical field discloses a use submarine hydrothermal solution as thermal energy power generation facility of heat source, including thermoelectric generation module and thermodynamic cycle power generation module, the thermoelectric generation module includes one-level thermoelectric generation unit and second grade thermoelectric generation unit, one-level thermoelectric generation unit arranges on hot liquid mouth, thermodynamic cycle power generation module includes evaporimeter, expander and generator, the evaporimeter is installed in the one-level thermoelectric generation unit, the export of evaporimeter with the expander is connected, the expander respectively with the generator with second grade thermoelectric generation unit's entrance connection, second grade thermoelectric generation unit's exit end pass through the circulating pipe with the import of evaporimeter is linked together, this device with thermoelectric generation piece power generation and thermodynamic cycle drive generator power generation facility combine together, make full use of submarine hydrothermal solution and the stable difference in temperature of sea water on every side, have heat utilization rate height, the big advantage of generated energy.
Description
Technical Field
The utility model relates to a power generation facility, in particular to use temperature difference energy power generation facility of seabed hydrothermal solution as heat source.
Background
The temperature of the hot liquid sprayed from the deep-sea hot liquid port can reach 400 ℃, the temperature of the surrounding seawater is close to 0 ℃, the submarine hot liquid port can spray high-temperature and high-pressure hot liquid, the temperature of the hot liquid is increased along with the increase of the depth of the hot liquid port, the temperature of the seawater surrounding the hot liquid port is very low, and thus, a great temperature gradient exists around the hot liquid port. The temperature difference between the hydrothermal solution and the surrounding seawater is utilized to generate electricity, and the heat energy is completely feasible to be converted into electric energy.
At present, researches related to a submarine hydrothermal solution thermoelectric power generation device mainly include two types, namely, power generation is performed by using a thermoelectric power generation sheet, and a voltage difference between two substances is generated by using a temperature difference of a semiconductor based on a thermoelectric seebeck effect to generate current. The power generation device has simple structure, but has less heat for absorbing the hot liquid and lower power generation. And secondly, the generator is driven to generate electricity based on thermodynamic cycle, the cycle working medium absorbs the heat of the hydrothermal solution to vaporize, the expander is driven to do work, the generator is pushed to generate electricity, and electric energy is provided for the deep sea detection equipment. The power generation device has a complex system structure, but has large power generation amount and high efficiency.
In conclusion, the submarine hydrothermal solution temperature difference power generation device is provided, deep-sea hydrothermal solution temperature difference energy is effectively utilized, electric energy is provided for a device and equipment for observing deep-sea hydrothermal solution activities for a long time, and the device has very remarkable scientific and technical progress significance.
Disclosure of Invention
Therefore, the to-be-solved technical problem of the utility model is to provide a power generation facility that combines thermoelectric generation piece electricity generation and thermal cycle drive generator electricity generation together.
The technical scheme of the utility model is realized like this:
the utility model provides an use difference in temperature energy power generation facility of seabed hydrothermal solution as heat source, including thermoelectric generation module and thermodynamic cycle power generation module, the thermoelectric generation module includes one-level thermoelectric generation unit and second grade thermoelectric generation unit, one-level thermoelectric generation unit arranges on hot liquid mouth, thermodynamic cycle power generation module includes evaporimeter, expander and generator, the evaporimeter is installed in the one-level thermoelectric generation unit, the export of evaporimeter with the expander is connected, the expander respectively with the generator with the entrance connection of second grade thermoelectric generation unit, the exit end of second grade thermoelectric generation unit pass through the circulating pipe with the import of evaporimeter is linked together.
Preferably, one-level thermoelectric generation unit includes first even hot plate, first even hot plate is tower structure and upper and lower both ends communicate with each other, first even hot plate is arranged on hot liquid mouth, the evaporimeter is installed the center of first even hot plate, the circulating pipe passes first even hot plate and with the import intercommunication of evaporimeter, first even hot plate lateral wall cover is equipped with the heat conduction apron, first even hot plate with be equipped with the intermediate layer between the heat conduction apron, install the thermoelectric generation piece in the intermediate layer, the hot terminal surface of thermoelectric generation piece with first even hot plate is connected, the cold terminal surface of thermoelectric generation piece with the heat conduction apron is connected.
Preferably, the second-stage thermoelectric generation unit comprises a second uniform heating plate, the second uniform heating plate is of a tower structure and is sealed at the upper end and the lower end, a heat conduction cover plate is arranged on the outer side wall cover of the second uniform heating plate, an interlayer is arranged between the second uniform heating plate and the heat conduction cover plate, a thermoelectric generation sheet is installed in the interlayer, the hot end face of the thermoelectric generation sheet is connected with the second uniform heating plate, the cold end face of the thermoelectric generation sheet is connected with the heat conduction cover plate, a phase change material is filled in the second uniform heating plate, an exhaust pipe is installed in the second uniform heating plate, the air inlet end of the exhaust pipe penetrates out the upper end of the second uniform heating plate and is connected with an expansion machine, and the air outlet end of the exhaust pipe penetrates out the lower end of the second uniform heating plate and is connected with a circulating pipe.
Preferably, a condenser is further installed at an outlet of the second-stage thermoelectric power generation unit, and an air outlet end of the exhaust pipe penetrates through the condenser and is connected with the circulating pipe.
Preferably, a circulation pump is installed on the circulation pipe.
Preferably, a gas-liquid separator is further installed between the expansion machine and the evaporator, an outlet of the evaporator is connected with the gas-liquid separator, an air outlet of the gas-liquid separator is connected with the expansion machine, and a liquid outlet of the gas-liquid separator is connected with the circulating pipe through a return pipe.
Preferably, the return pipe is provided with a check valve.
Preferably, a plurality of annular fins are arranged on the outer side wall of the heat conduction cover plate.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model provides an use thermoelectric generation device of seabed hydrothermal solution as heat source combines thermoelectric generation piece power generation and thermodynamic cycle drive generator power generation facility to be in the same place, and the steady difference in temperature of make full use of seabed hydrothermal solution and surrounding sea water has heat utilization rate height, advantage that the generated energy is big.
In addition, after the high-temperature high-pressure circulating working medium works through the expander, the temperature of the discharged low-temperature low-pressure exhaust steam can still be above 150 ℃, and the heat energy of the exhaust steam is fully utilized through the secondary thermoelectric generation unit, so that a certain medium-temperature and high-temperature is continuously kept in the cavity, and the thermoelectric generation capacity and the heat energy utilization rate of the hydrothermal solution are improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only preferred embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive effort.
Fig. 1 is a block diagram of a thermoelectric power generation device using a hydrothermal solution on the seabed as a heat source according to the present invention;
fig. 2 is a schematic diagram of an internal structure of a thermoelectric power generation device using a submarine hydrothermal solution as a heat source according to the present invention.
In the figure, a first-stage thermoelectric generation unit 1, a second-stage thermoelectric generation unit 2, an evaporator 3, an expander 4, a generator 5, a circulating pipe 6, a first heat-homogenizing plate 7, a heat-conducting cover plate 8, a thermoelectric generation sheet 9, a second heat-homogenizing plate 10, a phase-change material 11, a steam exhaust pipe 12, a first pipeline 13, a second pipeline 14, a condenser 15, a circulating pump 16, a gas-liquid separator 17, a return pipe 18, a check valve 19 and an annular fin 20 are arranged.
Detailed Description
In order to better understand the technical content of the present invention, the following embodiments are provided, and the present invention is further described with reference to the accompanying drawings.
Referring to fig. 1 to 2, the utility model provides an use submarine hydrothermal solution as temperature difference energy power generation facility of heat source, including thermoelectric generation module and thermodynamic cycle power generation module, the thermoelectric generation module includes tower-shaped structure's one-level thermoelectric generation unit 1 and sealed box structure's second grade thermoelectric generation unit 2, one-level thermoelectric generation unit 1 arranges on the hot liquid mouth, thermodynamic cycle power generation module includes evaporimeter 3, expander 4 and generator 5 sold in the market, evaporimeter 3 installs in the one-level thermoelectric generation unit 1, the export of evaporimeter 3 with expander 4 is connected, expander 4 respectively with generator 5 with the entrance point connection of second grade thermoelectric generation unit 2, the exit end of second grade thermoelectric generation unit 2 through circulating pipe 6 with the import of evaporimeter 3 is linked together.
The primary thermoelectric power generation unit 1 and the evaporator 3 are covered on a submarine hydrothermal solution spout, and hydrothermal solution flows from bottom to top along the inside of the primary thermoelectric power generation unit 1, on one hand, the temperature inside the primary thermoelectric power generation unit 1 is increased due to the hydrothermal solution, and the temperature outside the primary thermoelectric power generation unit 1 is reduced due to the contact with low-temperature seawater, so that a stable temperature difference is formed, and a continuous power generation condition is provided; on the other hand, the working medium in the pipeline of the evaporator 3 is heated into superheated steam by the hydrothermal solution, the superheated steam flows out from the top of the primary thermoelectric generation unit 1 along the pipeline and then enters the worm wheel expander 4, the worm wheel expander 4 is connected with the generator 5 through the pipeline I13, the worm wheel expander 4 is connected with the inlet section of the secondary thermoelectric generation unit 2 through the pipeline II 14, the generator 5 is driven to generate electricity by expanding and applying work by the superheated steam, the temperature of the low-temperature low-pressure exhaust steam after applying work can still be above 150 ℃, the exhaust steam is introduced into the secondary thermoelectric generation unit 2 through the pipeline II 14, the inside of the secondary thermoelectric generation unit 2 is heated by the exhaust steam, the outside is cooled by seawater, stable temperature difference is formed again, and the condition of continuous power generation is achieved. After the exhausted steam comes out of the secondary thermoelectric power generation unit 2, the exhausted steam enters the evaporator 3 again through the circulating pipe 6 to complete circulation.
The one-level thermoelectric generation unit 1 comprises a first uniform heating plate 7, the first uniform heating plate 7 is of an annular tower structure and is communicated with the upper end and the lower end, the first uniform heating plate 7 is arranged on a hot liquid port, the evaporator 3 is installed at the center of the first uniform heating plate 7, a hole is formed in the first uniform heating plate 7, the circulating pipe penetrates through the hole and is communicated with an inlet of the evaporator 3, a heat conduction cover plate 8 is arranged on the outer side wall of the first uniform heating plate 7 in a covering mode, an interlayer is arranged between the first uniform heating plate 7 and the heat conduction cover plate 8, a thermoelectric generation piece 9 is installed in the interlayer, the hot end face of the thermoelectric generation piece 9 is connected with the first uniform heating plate 7, and the cold end face of the thermoelectric generation piece 9 is connected with the heat conduction cover plate 8.
Hydrothermal solution flows from bottom to top along the inside of first even hot plate 7, and the tower body is inside to rise because of hydrothermal solution temperature, and first even hot plate 7 gives the hot terminal surface of thermoelectric generation piece 9 with heat transfer, and heat conduction apron 8 carries out the heat exchange through the contact with low temperature sea water, and the tower body skin keeps the low temperature, and the cold terminal surface temperature of thermoelectric generation piece 9 reduces, and the both ends of thermoelectric generation piece 9 keep stable difference in temperature like this, possess the condition of continuing the electricity generation.
The secondary thermoelectric generation unit 2 comprises a second uniform heating plate 10, the second uniform heating plate 10 is of an annular tower structure, the upper end and the lower end of the second uniform heating plate 10 are sealed to form a sealed box structure, a heat conduction cover plate 8 covers the outer side wall of the second uniform heating plate 10, an interlayer is arranged between the second uniform heating plate 10 and the heat conduction cover plate 8, a thermoelectric generation sheet 9 is installed in the interlayer, the hot end face of the thermoelectric generation sheet 9 is connected with the second uniform heating plate 10, the cold end face of the thermoelectric generation sheet 9 is connected with the heat conduction cover plate 8, a phase change material 11 is filled in the second uniform heating plate 10, a steam exhaust pipe 12 is installed in the second uniform heating plate 10, holes are respectively formed in the upper end and the lower end of the second uniform heating plate 10, the air inlet end of the steam exhaust pipe 12 penetrates through the upper end of the second uniform heating plate 10 and is connected with the expansion machine 4, and the air outlet end of the steam exhaust pipe 12 penetrates through the lower end of the second uniform heating plate 10 and is connected with the circulation pipe 6.
The worm wheel expander 4 utilizes superheated steam expansion to do work and drive the generator 5 to generate electricity, the exhaust steam temperature of low temperature low pressure after doing work is communicated with the exhaust steam pipe 12 through the second pipeline 14, the phase change material 11 inside the box body is heated by the exhaust steam, the phase change material 11 in the embodiment selects erythritol with the phase change temperature of about 100 ℃, after the heat is transmitted to the second soaking plate through the phase change material 11, the hot end face of the thermoelectric generation piece 9 is heated by the heat, the outside of the box body is cooled by seawater, the cold end face of the thermoelectric generation piece 9 is cooled through the heat conduction cover plate 8, stable temperature difference is formed again at the two ends of the thermoelectric generation piece 9, and the condition of continuous power generation is achieved.
A commercially available condenser 15 is further installed at the outlet of the secondary thermoelectric power generation unit 2, and the outlet end of the exhaust steam pipe 12 penetrates through the condenser 15 and is connected with the circulating pipe 6.
The circulation pipe 6 is provided with a circulation pump 16, and circulation of the working medium is promoted by the circulation pipe 6 and the circulation pump 16.
A commercially available gas-liquid separator 17 is further installed between the expansion machine 4 and the evaporator 3, an outlet of the evaporator 3 is connected with the gas-liquid separator 17, an air outlet of the gas-liquid separator 17 is connected with the expansion machine 4, a liquid outlet of the gas-liquid separator 17 is connected with the circulating pipe 6 through a return pipe 18, superheated steam coming out of the first-stage temperature difference power generation unit 1 enters the gas-liquid separator 17, a gas phase enters the worm wheel expansion machine 4 to work and drive the generator 5 to generate power, and a liquid phase flows into the circulating pipe 6 through the return pipe 18 to participate in circulation.
The return pipe 18 is provided with a non-return valve 19 preventing the flow of working medium from the return pipe 18 to the gas-liquid separator 17.
A plurality of annular fins 20 are installed to 8 lateral walls of heat conduction apron, and the annular fin 20 of high heat conductivity has fine effect in the aspect of the intensive heat transfer, at body of the tower outside installation annular fin 20, has enlarged heat transfer area to strengthen the convection heat transfer between 9 cold junctions of thermoelectric generation piece and the cold sea water, help reducing 9 cold junction temperatures of thermoelectric generation piece, and then improve the generated power.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The thermoelectric power generation device is characterized by comprising a thermoelectric power generation module and a thermodynamic cycle power generation module, wherein the thermoelectric power generation module comprises a primary thermoelectric power generation unit and a secondary thermoelectric power generation unit, the primary thermoelectric power generation unit is arranged on a hot liquid port, the thermodynamic cycle power generation module comprises an evaporator, an expander and a generator, the evaporator is installed in the primary thermoelectric power generation unit, an outlet of the evaporator is connected with the expander, the expander is respectively connected with the generator and an inlet end of the secondary thermoelectric power generation unit, and an outlet end of the secondary thermoelectric power generation unit is communicated with an inlet of the evaporator through a circulating pipe.
2. The thermoelectric power generation device using hydrothermal fluid on the seabed as the heat source as recited in claim 1, wherein the first-stage thermoelectric power generation unit comprises a first heat distribution plate, the first heat distribution plate is a tower structure and has an upper end and a lower end communicated with each other, the first heat distribution plate is disposed on a hot fluid port, the evaporator is disposed at the center of the first heat distribution plate, the circulation pipe penetrates through the first heat distribution plate and is communicated with an inlet of the evaporator, a heat conduction cover plate is covered on an outer side wall of the first heat distribution plate, an interlayer is disposed between the first heat distribution plate and the heat conduction cover plate, a thermoelectric power generation piece is disposed in the interlayer, a hot end surface of the thermoelectric power generation piece is connected with the first heat distribution plate, and a cold end surface of the thermoelectric power generation piece is connected with the heat conduction cover plate.
3. The thermoelectric power generation device using hydrothermal fluid on the seabed as the heat source as claimed in claim 2, wherein the secondary thermoelectric power generation unit comprises a second heat distribution plate, the second heat distribution plate is of a tower structure and sealed at the upper end and the lower end, a heat conduction cover plate covers the outer side wall of the second heat distribution plate, an interlayer is arranged between the second heat distribution plate and the heat conduction cover plate, a thermoelectric power generation piece is installed in the interlayer, the hot end surface of the thermoelectric power generation piece is connected with the second heat distribution plate, the cold end surface of the thermoelectric power generation piece is connected with the heat conduction cover plate, a phase change material is filled in the second heat distribution plate, a steam exhaust pipe is installed in the second heat distribution plate, the air inlet end of the steam exhaust pipe penetrates out of the upper end of the second heat distribution plate and is connected with the expansion machine, and the air outlet end of the steam exhaust pipe penetrates out of the lower end of the second heat distribution plate and is connected with the circulation pipe.
4. The thermoelectric power generation device using hydrothermal fluid on the seabed as a heat source as claimed in claim 3, wherein a condenser is further installed at the outlet of the secondary thermoelectric power generation unit, and the outlet end of the steam exhaust pipe passes through the condenser and is connected with the circulation pipe.
5. The thermoelectric power generation device using hydrothermal solution on the seabed as a heat source as claimed in claim 1, wherein the circulating pipe is provided with a circulating pump.
6. The thermoelectric power generation device using submarine hot liquid as heat source according to claim 1, wherein a gas-liquid separator is further installed between the expander and the evaporator, an outlet of the evaporator is connected with the gas-liquid separator, an air outlet of the gas-liquid separator is connected with the expander, and a liquid outlet of the gas-liquid separator is connected with the circulation pipe through a return pipe.
7. The thermoelectric power generation device using hydrothermal solution on the sea bottom as a heat source of claim 6, wherein the return pipe is provided with a check valve.
8. The thermoelectric power generation device using hydrothermal fluid on the seabed as a heat source as claimed in claim 3, wherein the outer side wall of the heat-conducting cover plate is provided with a plurality of annular fins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221919066.7U CN218467758U (en) | 2022-07-22 | 2022-07-22 | Temperature difference energy power generation device using submarine hydrothermal solution as heat source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221919066.7U CN218467758U (en) | 2022-07-22 | 2022-07-22 | Temperature difference energy power generation device using submarine hydrothermal solution as heat source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218467758U true CN218467758U (en) | 2023-02-10 |
Family
ID=85135252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221919066.7U Active CN218467758U (en) | 2022-07-22 | 2022-07-22 | Temperature difference energy power generation device using submarine hydrothermal solution as heat source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218467758U (en) |
-
2022
- 2022-07-22 CN CN202221919066.7U patent/CN218467758U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| RU2599697C1 (en) | Complementary heat energy system using solar energy and biomass | |
| CN105201579A (en) | Supercritical carbon dioxide power generation system based on secondary reflection condensation heat-absorption technique | |
| CN102094772B (en) | Solar energy-driven cogeneration device | |
| CN205047262U (en) | Super supercritical carbon dioxide power generation system based on secondary reflection spotlight heat absorption technique | |
| CN107940789A (en) | A kind of new cool and thermal power combined generating system based on movable solar energy heat collector | |
| EA023220B1 (en) | Temperature differential engine device | |
| CN107939548A (en) | Internal combustion engine UTILIZATION OF VESIDUAL HEAT IN cooling heating and power generation system and its method of work | |
| CN103982383A (en) | Solar energy-ocean thermal energy combined power generation system | |
| CN110513166A (en) | Back-heating type replaces energy-storing and power-generating system | |
| CN218467758U (en) | Temperature difference energy power generation device using submarine hydrothermal solution as heat source | |
| CN102809144B (en) | Device and method for using two-stage jet absorption heat pump to improve thermal cycle efficiency | |
| CN108775275A (en) | Individual well closed cycle underground thermoelectric heat generation system and method | |
| CN109404078A (en) | A kind of low temperature underground heat organic Rankine cycle power generation system based on horizontal tube sprinkling falling-film evaporator | |
| CN209523849U (en) | A kind of solar energy water turbine generation apparatus | |
| CN201916138U (en) | Cogeneration device driven by solar energy | |
| CN111504088A (en) | Heat storage water tank for solar-assisted ocean temperature difference power generation system | |
| CN109441743A (en) | A kind of solar energy water turbine generation apparatus | |
| CN109724278A (en) | A kind of coal-field fire comprehensive utilization system for heat energy | |
| CN217735660U (en) | Photo-thermal wind-power complementary energy supply system | |
| CN214665337U (en) | Semiconductor refrigerator for supercritical carbon dioxide Brayton cycle | |
| CN204627885U (en) | Solar energy fixed-focus multi-disc type heat collector heat generating system | |
| CN217950480U (en) | Orc power generation system adopting direct evaporative cooling of circulating working medium | |
| CN214536117U (en) | Steam generator | |
| CN220322132U (en) | Direct heating type evaporator of low-temperature flue gas waste heat generator set | |
| CN218151094U (en) | Cold energy system and cold energy power generation system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |