CN219865316U - Hydraulic energy storage system - Google Patents
Hydraulic energy storage system Download PDFInfo
- Publication number
- CN219865316U CN219865316U CN202320320534.7U CN202320320534U CN219865316U CN 219865316 U CN219865316 U CN 219865316U CN 202320320534 U CN202320320534 U CN 202320320534U CN 219865316 U CN219865316 U CN 219865316U
- Authority
- CN
- China
- Prior art keywords
- water
- pipeline
- storage device
- energy storage
- storage system
- 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
- 238000004146 energy storage Methods 0.000 title claims abstract description 60
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 223
- 230000001502 supplementing effect Effects 0.000 claims description 23
- 239000012530 fluid Substances 0.000 claims description 11
- 230000007246 mechanism Effects 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 2
- 238000007667 floating Methods 0.000 claims description 2
- 239000013535 sea water Substances 0.000 abstract description 26
- 230000009471 action Effects 0.000 abstract description 8
- 230000005611 electricity Effects 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 9
- 239000013589 supplement Substances 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004568 cement Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Landscapes
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
The utility model provides a water pressure energy storage system which comprises a water storage device, a fixed platform, a pumped storage unit, a first pipeline and a second pipeline. When the energy storage system releases energy, under the action of internal and external pressure difference, seawater enters the water storage device through the second pipeline and the first pipeline and drives the hydrodynamic machinery to rotate, so that the generator is driven to generate electricity. The pumped storage unit is fixedly arranged on the upper part of the fixed platform to be close to the sea surface, and is convenient for personnel to submerge under water for overhauling and maintenance when the pumped storage unit breaks down. Meanwhile, the hydraulic energy storage system forms a U-shaped pipe structure with the first pipeline and the hydrodynamic machine by arranging the second pipeline extending towards the sea floor, so that the outlet of the second pipeline has enough pressure, the water pressure born by the sucked seawater is the same as the external water pressure of the water storage device, and the seawater can be automatically pressed into the water storage device through the second pipeline under the action of pressure difference.
Description
Technical Field
The utility model relates to the technical field of electric power energy storage, in particular to a hydraulic energy storage system.
Background
The existing water pressure energy storage system is characterized in that a water storage device and a pumped storage unit are arranged at the bottom of water, the pumped storage unit comprises a water pump and a water turbine, two ends of the water pump and the water turbine are communicated with the water storage device and seawater through pipelines, and the water pump and the water turbine are connected with a generator. When energy is stored, the water pump and the water turbine in the pumped storage unit are driven to operate by low-price electricity, so that the seawater in the water storage device is discharged into the ocean; when the external pressure of the water storage device is larger than the internal pressure of the water storage device, the seawater is automatically stored through the pipe under the action of pressure difference and drives the water pump and the water turbine to rotate so as to drive the generator to generate electricity.
According to the hydraulic energy storage system, as the pumped storage unit is arranged at the water bottom, when the pumped storage unit fails, the pumped storage unit is inconvenient to overhaul and maintain.
Disclosure of Invention
Therefore, the technical problem to be solved by the utility model is to overcome the defect that the pumped storage unit in the hydraulic energy storage system in the prior art is inconvenient to overhaul and maintain.
To this end, the present utility model provides a hydraulic energy storage system comprising
The water storage device is suitable for being arranged on the sea bottom;
a fixed platform, one end of which is suitable for being fixed on the sea bottom and the other end extends towards the sea surface;
the pumped storage unit is fixedly arranged at the upper part of the fixed platform; the pumped-storage unit comprises a hydrodynamic machine adapted to be connected to an electric generator;
one end of the first pipeline is communicated with the water storage device, and the other end of the first pipeline extends upwards to be connected with a first interface of the fluid power machine;
and a second pipeline, one end of which is connected with a second interface of the fluid power machine, and the other end of which is suitable for extending towards the sea floor.
Optionally, in the hydraulic energy storage system, the fluid power machine is a water pump turbine.
Optionally, in the above hydraulic energy storage system, the bottom surface of the water storage device is inclined towards one side, and one end of the first pipe is communicated with the lowest point of the water storage device.
Optionally, the hydraulic energy storage system further comprises a fixing bracket, the fixing bracket is suitable for being fixed on the seabed, the top surface of the fixing bracket is obliquely arranged towards one side, and the bottom surface of the water storage device is fixed on the fixing bracket.
Optionally, the hydraulic energy storage system is provided with more than two water storage devices, and the more than two water storage devices are connected in series or in parallel.
Optionally, in the hydraulic energy storage system, a first valve is disposed on the first pipeline, and a second valve is disposed on the second pipeline.
Optionally, the hydraulic energy storage system further comprises an air supplementing mechanism, and two ends of the air supplementing mechanism are respectively communicated with the inner cavity of the water storage device and the atmosphere.
Optionally, the above-mentioned water pressure energy storage system, air supplementing mechanism includes flexible pipeline and buoyancy ball, flexible pipeline's both ends communicate respectively water storage device's inner chamber with buoyancy ball, be equipped with the gas port of intercommunication atmosphere on the buoyancy ball, buoyancy ball is suitable for the float on the sea.
Optionally, the hydraulic energy storage system further comprises a water supplementing device, the water supplementing device is arranged on the fixed platform and located above the fluid power machine, the water supplementing device is communicated with the second pipeline to supplement water to the second pipeline and/or the first pipeline, and the second valve is a three-way valve.
Optionally, in the hydraulic energy storage system, the water replenishing device includes a water replenishing tank and a third pipeline, the top of the water replenishing tank is opened, and the top of the water replenishing tank is lower than the sea surface high water level; and two ends of the third pipeline are respectively communicated with the water supplementing tank and the three-way valve.
The technical scheme of the utility model has the following advantages:
1. when the hydraulic energy storage system provided by the utility model works, the water storage device and the fixed platform are fixed on the sea bottom, the other end of the fixed platform extends towards the sea surface, and when the hydraulic energy storage system is used for storing energy, the hydrodynamic machinery works to discharge water in the water storage device to the sea through the first pipeline and the second pipeline, the external pressure of the water storage device is the water pressure of the water depth where the water storage device is positioned, and the internal pressure of the water storage device is negative pressure or atmospheric pressure; when the energy is released, under the action of the pressure difference between the inside and the outside of the water storage device, seawater enters the water storage device through the second pipeline and the first pipeline and drives the hydrodynamic machinery to rotate, so that the generator is driven to generate electricity. The pumped storage unit is fixedly arranged on the upper part of the fixed platform to be close to the sea surface, and is convenient for personnel to submerge under water for overhauling and maintenance when the pumped storage unit breaks down.
2. The hydraulic energy storage system forms a U-shaped pipe structure with the first pipeline and the hydrodynamic machine by arranging the second pipeline extending towards the sea floor, so that the outlet of the second pipeline has enough pressure, the water pressure of the sucked seawater is the same as the external water pressure of the water storage device, and the seawater can be automatically pressed into the water storage device through the second pipeline under the action of pressure difference.
3. The water pressure energy storage system utilizes the natural tide water supplementing tank to supplement water into the U-shaped pipe structure without energy consumption, ensures that the U-shaped pipe structure is full of water in the energy storage and energy release processes, avoids the problem that a cavity is formed in the U-shaped pipe structure due to air leakage of the U-shaped pipe structure, and ensures that the water is smoothly drained in the energy storage process and the seawater is smoothly pressed into the water storage device in the energy release process.
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 needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of a hydraulic energy storage system according to an embodiment of the present utility model.
Reference numerals illustrate:
1. a water storage device; 2. a fixed platform; 3. a fluid dynamic machine; 4. a first pipe; 41. a first valve; 5. a second pipe; 51. a second valve; 6. a fixed bracket; 71. a flexible conduit; 72. a buoyancy ball; 81. a water supplementing tank; 82. a third conduit; 91. a land frame; 92. sea surface low water level; 93. sea surface high water level.
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. 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.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.
Examples
The embodiment provides a hydraulic energy storage system, as shown in fig. 1, which comprises a water storage device 1, a fixed platform 2, a pumped storage unit, a first pipeline 4 and a second pipeline 5, wherein the water storage device 1 is suitable for being arranged on the sea floor; one end of the fixed platform 2 is suitable for being fixed on the sea bottom, and the other end extends towards the sea surface; the pumped storage unit is fixedly arranged at the upper part of the fixed platform 2; the pumped-storage unit comprises a fluid power machine 3, wherein the fluid power machine 3 is suitable for being connected with a generator; one end of the first pipeline 4 is communicated with the water storage device 1, and the other end of the first pipeline extends upwards to be connected with a first interface of the fluid power machine 3; the second pipe 5 is connected at one end to a second interface of the fluid-dynamic machine 3 and at the other end adapted to extend towards the sea floor.
When the hydraulic energy storage system with the structure works, the water storage device 1 and the fixed platform 2 are fixed on the sea bottom, the other end of the fixed platform 2 extends towards the sea surface, and when the hydraulic energy storage system stores energy, the hydrodynamic machine 3 works to discharge water in the water storage device 1 to the sea through the first pipeline 4 and the second pipeline 5, the external pressure of the water storage device 1 is the water pressure of the water depth where the water storage device is positioned, and the internal pressure of the water storage device 1 is negative pressure or atmospheric pressure; when the energy is released, under the action of the pressure difference between the inside and the outside of the water storage device 1, the seawater enters the water storage device 1 through the second pipeline 5 and the first pipeline 4 and drives the fluid power machine 3 to rotate, so that the generator is driven to generate electricity. The pumped storage unit is fixedly arranged on the upper part of the fixed platform 2 to be close to the sea surface, and is convenient for personnel to submerge under water for overhauling and maintenance when the pumped storage unit breaks down. Meanwhile, the hydraulic energy storage system forms a U-shaped pipe structure with the first pipeline 4 and the hydrodynamic machine 3 by arranging the second pipeline 5 extending towards the seabed, so that the outlet of the second pipeline 5 has enough pressure, the water pressure born by the sucked seawater is the same as the internal pressure of the water storage device 1, and the seawater can be automatically pressed into the water storage device 1 through the second pipeline 5 under the action of pressure difference.
The shallow sea land frame 91 has huge energy storage potential in wide area, and is suitable and reasonable to cooperate with the construction of offshore wind power if the shallow sea land frame 91 can be fully utilized. The water depth of the shallow sea land frame 91 is generally less than 200 meters, the optimal working water depth of the existing hydraulic energy storage system is 700 meters, and the requirement on the water depth is high. The hydraulic energy storage system with the structure can be applied to the shallow sea land frame 91 area so as to fully utilize the wide area with the water depth of 200 meters and shallower of the shallow sea land frame 91 and expand the application range of the hydraulic energy storage system. The shallow sea land frame 91 area is intersected with the sea water wind power development area, and has universality compared with a water depth area.
Alternatively, the fluid-dynamic machine 3 is a water pump turbine. When storing energy, the water pump turbine is used as a water pump to pump seawater out of the water storage device 1; when in energy storage, the water pump turbine is used as a water turbine, and seawater is automatically pressed into the water storage device 1 through the second pipeline 5 and the first pipeline 4 under the action of pressure difference and drives the water turbine to rotate for generating electricity. The seawater flow is enough, so that the water pump turbine adopts a high-flow low-head unit to ensure the generated energy.
Referring to fig. 1, the fixed platform 2 includes two columns arranged oppositely and a support column arranged at the top of the two columns in a crossing manner, and the water pump turbine can be hung at the bottom of the support column. One end of the first pipeline 4 is communicated with the bottom of the water storage device 1, the other end of the first pipeline extends horizontally towards the fixed platform 2 and then extends vertically upwards, then extends horizontally towards the water pump turbine to be connected with a first interface of the water pump turbine, and one end of the second pipeline 5 is connected with a second interface of the water pump turbine and extends vertically downwards to the seabed after extending horizontally for a certain distance away from the water pump turbine.
Preferably, the bottom surface of the water storage device 1 is inclined toward one side, and one end of the first pipe 4 is communicated with the lowest point of the water storage device 1. The bottom surface of water storage device 1 sets up towards one side slope, can make the inside water of water storage device 1 all assemble its nadir department at the in-process that draws water, and the nadir of water storage device 1 is linked together to second pipeline 5 one end, can effectively empty the inside sea water of water storage device 1 through setting up a water intaking point, compares water storage device 1 bottom level setting and sets up a plurality of water intaking points above that, can effectively simplify the structure of water pressure energy storage system.
Optionally, referring to fig. 1, the hydraulic energy storage system further includes a fixing bracket 6, the fixing bracket 6 is adapted to be fixed on the sea floor, the top surface of the fixing bracket 6 is inclined towards one side, the bottom surface of the water storage device 1 is fixed on the fixing bracket 6, and the fixing bracket 6 is used for ensuring the installation position of the water storage device 1 and the bottom surface gradient of the water storage device 1. For example, the fixed support 6 is a prefabricated single support, the water storage device 1 is a cement prefabricated pipeline with two ends being blocked, the longitudinal section of the water storage device 1 is circular, the diameter of the water storage device is greater than 10 meters, the length of the water storage device is greater than 100 meters, the wall thickness of the water storage device 1 is 10cm-50cm, the minimum volume of the water storage device can reach 8000 sides, and the generated energy is ensured.
Optionally, more than two water storage devices 1 are provided, and the more than two water storage devices 1 are connected in series or in parallel. The number of the water storage devices 1 can be adjusted according to the capacity and power generation demand. The end face of the water storage device 1 is shown in fig. 1, the water storage device 1 extends perpendicularly to the end face, and referring to fig. 1, the water storage devices 1 are connected in series, namely, more than two water storage devices 1 are sequentially arranged along the extending direction of the water storage devices, and the adjacent water storage devices 1 can be communicated through a pipeline; the water storage devices 1 are connected in parallel, that is, more than two water storage devices 1 are sequentially distributed from the direction close to the fixed platform 2 to the direction far away from the fixed platform 2 (the left-right direction in fig. 1), the adjacent water storage devices 1 can be communicated through pipelines, and the specific connection mode can be flexibly adjusted according to the landform characteristics of the shallow sea land frame 91.
The first pipe 4 is provided with a first valve 41, and the second pipe 5 is provided with a second valve 51. The first valve 41 is used for controlling the start and stop of the flow of the seawater and the flow of the seawater between the first pipeline 4 and the water pump turbine, and the second valve 51 is used for controlling the on-off of the second pipeline 5.
Referring to fig. 1, the hydraulic energy storage system further comprises an air supplementing mechanism, wherein two ends of the air supplementing mechanism are respectively communicated with the inner cavity of the water storage device 1 and the atmosphere, so that the inside of the water storage device 1 can maintain the atmospheric pressure, water pumping is facilitated, and seawater is automatically pressed into the water storage device 1 under the pressure difference.
For example, the air supplementing mechanism comprises a flexible pipeline 71 and a buoyancy ball 72, wherein two ends of the flexible pipeline 71 are respectively communicated with the inner cavity of the water storage device 1 and the buoyancy ball 72, an air port communicated with the atmosphere is arranged on the buoyancy ball 72, and the buoyancy ball 72 is suitable for floating on the sea surface. Under the influence of tidal phenomenon, the sea surface has a sea surface low water level 92 and a sea surface high water level 93 in a certain period, the stretching degree of the flexible pipeline 71 can be changed along with the sea surface height, the buoyancy ball 72 is ensured to float on the water surface all the time to communicate with the atmosphere, and the inside of the water storage device 1 is ensured to be at the atmospheric pressure.
Referring to fig. 1, the hydraulic energy storage system further includes a water replenishing device, the water replenishing device is disposed on the fixed platform 2 and located above the water pump turbine, the water replenishing device is communicated with the second pipeline 5 to replenish water into the second pipeline 5 and/or the first pipeline 4, and the second valve 51 is a three-way valve. Because the first pipeline 4 and the second pipeline 5 are easy to leak after being used for a period of time, air cavities are formed in the first pipeline 4 and the second pipeline 5, so that the pressure of seawater in the two pipelines is insufficient, and the energy release process of the energy storage system is affected. The water supplementing device can supplement water into the second pipeline 5 and/or the first pipeline 4 so as to ensure the water pressure in the U-shaped pipe structure, ensure that seawater is smoothly and automatically pressed into the water storage device 1 in the energy release process, and ensure smooth water drainage in the energy storage process. The second pipeline 5 is respectively connected with a second interface of the water pump turbine and the water supplementing device through a three-way valve.
Specifically, referring to fig. 1, the water replenishing device includes a water replenishing tank 81 and a third pipe 82, the top of the water replenishing tank 81 is opened, and the top of the water replenishing tank 81 is lower than a sea surface high water level 93; two ends of the third pipeline 82 are respectively communicated with the water supplementing tank 81 and the three-way valve. The top of the water supplementing tank 81 is opened, the top of the water supplementing tank 81 is lower than the sea surface high water level 93, so that the seawater can be automatically filled into the water supplementing tank 81 when the seawater is in tide, the three-way valve is opened, the water in the water supplementing tank 81 can automatically flow into the second pipeline 5, the water pump turbine and the first pipeline 4, and the pressure stabilizing effect is achieved when the first pipeline 4 and the second pipeline 5 leak air. The water pressure energy storage system utilizes the natural tide water replenishing tank to replenish water into the U-shaped pipe structure without energy consumption, ensures that the U-shaped pipe structure is full of water in the energy storage and energy release processes, avoids the problem that a cavity is formed in the U-shaped pipe structure due to air leakage of the U-shaped pipe structure, and ensures that the water is smoothly drained in the energy storage process and the seawater is smoothly pressed into the water storage device 1 in the energy release process.
The energy storage capacity of the hydraulic energy storage system is related to the volume of the water storage device 1 and the water depth of the water storage device, and the installed power is related to the power of the water pump turbine. The water storage device 1 and the water pump turbine of the system are independently arranged, and the energy storage device with different capacity and the water pump turbine with different power can be configured according to the energy storage capacity requirement and the installed power requirement, so that the flexibility of the water pressure energy storage system is improved.
As a first alternative embodiment of example 1, the water replenishing device may be a water replenishing pipe, which is connected to the water pump and the water source, and pumps water into the first pipe 4 and the second pipe 5 through the water replenishing pipe when water replenishing is needed.
As a second alternative embodiment of example 1, the air make-up mechanism may also be a rigid pipe, one end of which is connected to the inner cavity of the water storage device 1, and the other end of which extends above the sea surface high water level 93.
As a third alternative embodiment of example 1, the fluid power machine 3 may further include a water pump and a water turbine connected in parallel to individually perform the functions of the water pump and the water turbine, respectively.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the utility model.
Claims (10)
1. A hydraulic energy storage system, comprising:
a water storage device (1) adapted to be located at the sea floor;
a fixed platform (2) with one end adapted to be fixed to the sea floor and the other end extending towards the sea surface;
the pumped storage unit is fixedly arranged at the upper part of the fixed platform (2); the pumped-storage unit comprises a fluid-dynamic machine (3), the fluid-dynamic machine (3) being adapted to be connected to an electric generator;
a first pipeline (4), one end of which is communicated with the water storage device (1) and the other end of which extends upwards to be connected with a first interface of the fluid power machine (3);
and a second pipe (5) having one end connected to a second port of the fluid-dynamic machine (3) and the other end adapted to extend towards the sea floor.
2. The hydraulic energy storage system according to claim 1, characterized in that the hydrodynamic machine (3) is a water pump turbine.
3. The hydraulic energy storage system according to claim 1 or 2, wherein the bottom surface of the water storage device (1) is inclined towards one side, and one end of the first pipe (4) is communicated with the lowest point of the water storage device (1).
4. A hydraulic energy storage system according to claim 3, further comprising a fixing bracket (6), the fixing bracket (6) being adapted to be fixed to the sea floor, the top surface of the fixing bracket (6) being inclined towards one side, the bottom surface of the water storage device (1) being fixed to the fixing bracket (6).
5. The hydraulic energy storage system according to claim 1 or 2, characterized in that more than two water storage devices (1) are provided, which water storage devices (1) are connected in series or in parallel.
6. The hydraulic energy storage system according to claim 1 or 2, characterized in that a first valve (41) is provided on the first pipe (4) and a second valve (51) is provided on the second pipe (5).
7. The hydraulic energy storage system according to claim 1 or 2, further comprising an air supplementing mechanism, wherein two ends of the air supplementing mechanism are respectively communicated with the inner cavity of the water storage device (1) and the atmosphere.
8. The hydraulic energy storage system according to claim 7, wherein the air supplementing mechanism comprises a flexible pipeline (71) and a buoyancy ball (72), two ends of the flexible pipeline (71) are respectively communicated with the inner cavity of the water storage device (1) and the buoyancy ball (72), an air port communicated with the atmosphere is arranged on the buoyancy ball (72), and the buoyancy ball (72) is suitable for floating on the sea surface.
9. The hydraulic energy storage system according to claim 6, further comprising a water replenishing device provided on the stationary platform (2) above the hydrodynamic machine (3), the water replenishing device being in communication with the second pipe (5) for replenishing water into the second pipe (5) and/or the first pipe (4), the second valve (51) being a three-way valve.
10. The hydraulic energy storage system according to claim 9, wherein the water replenishing device comprises a water replenishing tank (81) and a third pipe (82), the water replenishing tank (81) being open at the top, the top of the water replenishing tank (81) being below a sea surface high water level (93); two ends of the third pipeline (82) are respectively communicated with the water supplementing tank (81) and the three-way valve.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320320534.7U CN219865316U (en) | 2023-02-22 | 2023-02-22 | Hydraulic energy storage system |
| JP2023001050U JP3242153U (en) | 2023-02-22 | 2023-03-31 | hydraulic energy storage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320320534.7U CN219865316U (en) | 2023-02-22 | 2023-02-22 | Hydraulic energy storage system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219865316U true CN219865316U (en) | 2023-10-20 |
Family
ID=86537442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320320534.7U Active CN219865316U (en) | 2023-02-22 | 2023-02-22 | Hydraulic energy storage system |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP3242153U (en) |
| CN (1) | CN219865316U (en) |
-
2023
- 2023-02-22 CN CN202320320534.7U patent/CN219865316U/en active Active
- 2023-03-31 JP JP2023001050U patent/JP3242153U/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| JP3242153U (en) | 2023-05-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6781199B2 (en) | Pumped storage power plant | |
| US7795748B2 (en) | System and process for generating hydroelectric power | |
| CA2659578C (en) | Apparatus for converting energy from wave of current flows using pipes acting as venturi pumps | |
| CN109653976A (en) | A kind of ocean tidal power water pumping equipment | |
| CN103352676A (en) | Device and method for exploiting submarine combustible ice | |
| CN219865316U (en) | Hydraulic energy storage system | |
| CN109707558A (en) | Moveable ocean tidal power and the pumping water device of air bearing linkage | |
| CN111156126A (en) | Tidal current energy power generation device and using method | |
| CN109707557A (en) | A kind of movable ocean tide can pump equipment | |
| CN207454290U (en) | A kind of centrifugal pump drainage tank | |
| KR20030000395A (en) | A floating hydro-electric power plant | |
| CN110566408B (en) | Deep-sea floating type water pumping energy storage wind power generation device and method | |
| CN203441687U (en) | Oceanic tidal fall water pumping device | |
| CN221032921U (en) | Ocean energy storage system | |
| CN202520535U (en) | Buoyancy chamber electric diving pump for water body | |
| CN207634234U (en) | Stabilization energy accumulation electricity generator based on aqueous medium | |
| CN221482049U (en) | Seawater power generation device | |
| CN221461132U (en) | Hemispherical assembled seabed pressure-bearing reservoir for seabed energy storage system | |
| KR101560506B1 (en) | Submerged floating energy storage using under water hydraulic pressure | |
| UA81569U (en) | Multi-functional submersible hydro-electric power plant with use of renewable energy sources | |
| KR102375024B1 (en) | Sea water pumped hydro power system with wave pump | |
| CN118157334A (en) | Energy storage device and power generation energy storage system | |
| CN221461131U (en) | Spherical assembled seabed pressure-bearing reservoir for seabed energy storage system | |
| KR20110050573A (en) | Stand type small-hydroelectric complex powergeneration plant and electric-generation area | |
| CN103388567A (en) | Sea tidal fall water pumping device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |