CN115559587B - Gas storage air plug structure with reasonable arc of power flow - Google Patents
Gas storage air plug structure with reasonable arc of power flow Download PDFInfo
- Publication number
- CN115559587B CN115559587B CN202211345477.4A CN202211345477A CN115559587B CN 115559587 B CN115559587 B CN 115559587B CN 202211345477 A CN202211345477 A CN 202211345477A CN 115559587 B CN115559587 B CN 115559587B
- Authority
- CN
- China
- Prior art keywords
- gas storage
- pull rod
- layer
- gas
- spring
- 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
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H7/00—Construction or assembling of bulk storage containers employing civil engineering techniques in situ or off the site
- E04H7/02—Containers for fluids or gases; Supports therefor
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
-
- 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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention discloses a gas storage air lock structure with a reasonable arc line of forced flow, which comprises a body, wherein the inside of the body is a gas storage structure, the top end of the gas storage structure is a reinforcing layer, the reinforcing layer, a lining layer and a sealing layer form a gas storage integral structure, the upper side of the inside of the reinforcing layer is connected with an upper pull rod through a spring and a hinged support, the upper arch line structure, a first hinged fulcrum, the pull rod and a prestress device component form an upper air lock, and the bottom of the upper air lock is connected with the first spring and a second spring through the pull rod and the hinged support. The device has the advantages that the device has simple integral structure, reasonably utilizes the mechanical theory, reduces the generation of the tensile stress of the air lock, and can well avoid heat exchange with the outside, thereby ensuring smaller energy loss and improving the generated energy, ensuring safer and more efficient operation of the compressed air energy storage air storage, and further effectively solving the key scientific problem of safely storing high-temperature and high-pressure air in the air storage.
Description
Technical Field
The invention relates to the field of compressed air energy storage in underground space, in particular to a gas storage reservoir gas plug structure with a reasonable arc of forced flow.
Background
In recent years, new energy sources such as wind energy, solar energy and the like are developed and utilized on a large scale in China, but a large amount of wind and light abandoning phenomena exist in actual operation, so that the utilization rate of the new energy sources is in a low level for a long time. The current mature large-scale energy storage technology is mainly embodied in three types of pumped storage, storage battery energy storage and compressed air energy storage, but the pumped storage has strict limitation on the geographical ecological condition, the storage battery energy storage is also limited by the problems of manufacturing cost, service life, environmental protection and the like, so that the large-scale application is very limited, and the compressed air energy storage has the advantages of large energy storage capacity, reliable technology, long operation life and no limitation on terrain, so that the technology is widely popularized and built in China in recent years, and the success of grid-connected experiments of compressed air energy storage projects in a plurality of areas is marked under the support of government policies, and the research and development and the application of novel energy storage technology in China are greatly progressed.
Although the compressed air energy storage project is not subject to terrain site selection, the construction of an underground gas storage is the most important link, and the stability and safety of the gas storage determine whether the project can normally operate. The gas storage is generally composed of two layers of structures, namely an inner sealing layer and a lining layer with supporting function, the outer side of the sealing layer is only attached to the inner side of the lining layer, and periodic and cyclic inflation and deflation are carried out in the sealing layer during operation. The preset pressure of most of the gas storages in China is 6-12 MPa, the temperature is 25-60 ℃, and the highest pressure of part of power stations can reach 20MPa or even higher. The construction of the gas storage also needs to add a gas plug structure in the chamber to seal the gas in the chamber, which inevitably causes problems such as stress concentration and thermal effect, so that the integral structure of the gas storage is damaged. Most importantly, for materials such as rock mass, concrete and the like, the mechanical properties of the material are compression resistance, tensile resistance and shearing resistance, when the gas storage runs, the main stream structure can inevitably generate larger tensile stress and larger shearing stress so as to damage the lining layer and the surrounding rock layer, so that the gas pressure in the gas storage is limited, and the material is particularly important for the design of the gas storage.
In order to overcome the difficulties, the invention provides the gas storage gas plug structure with the forced flow reasonable arc, the device has simple overall structure, reasonably utilizes the mechanical theory, reduces the generation of the tensile stress of the gas plug, and can well avoid heat exchange with the outside, thereby ensuring smaller energy loss and improving the generated energy, ensuring safer and more efficient operation of the compressed air energy storage gas storage, and effectively solving the key scientific problem of safe storage of high-temperature and high-pressure gas in the gas storage.
Disclosure of Invention
The invention aims to provide a gas storage gas plug structure with a reasonable arc force flow, gas enters the gas storage through a pipeline, high temperature carried by the gas is absorbed by a temperature plate, gas load acts on two ends of the gas plug in a uniformly distributed normal load mode, the gas plug structure is designed according to reasonable stress, only axial compressive stress and smaller shear stress exist in the gas plug structure, then the gas is released, the temperature plate releases absorbed heat to further heat the gas, the gas drives a steam turbine to generate electricity through the pipeline again, and the series of steps effectively solve the key scientific problem of safely storing the high-temperature and high-pressure gas in the gas storage.
In order to achieve the above object, the present invention provides the following solutions: the invention provides a gas storage gas plug structure with a reasonable arc force flow, which comprises a body, wherein the inside of the body is a gas storage structure, the top end of the gas storage structure is a reinforcing layer, the reinforcing layer, a lining layer and a sealing layer form a gas storage integral structure, the upper side of the inside of the reinforcing layer is connected with an upper pull rod through a spring, the upper arch wire structure, a first hinging fulcrum, the pull rod and a prestress device assembly form an upper gas plug, the bottom of the upper gas plug is connected with a first spring and a second spring through a pull rod, a prestress device is arranged in the middle of the pull rod, the top point of the upper gas plug is a first hinging supporting point structure, the upper gas plug structure is a hollow arch structure, a temperature plate is embedded in the gas storage structure, the temperature plate is provided with a porous layer structure, the upper side of the upper gas plug structure is connected with the outside through a pipeline, the lower side of the reinforcing layer is connected with a lower pull rod through a first spring and a second spring, the lower side of the reinforcing layer is connected with the lower pull rod through a pull rod, the lower top point of the hinge support is connected with the first spring and the lower hinge, the lower top point of the prestress device assembly is connected with the lower spring, the lower pivot is in the hollow arch wire structure, the two ends of the hollow arch structure are connected with the lower pivot structures, and the prestress device is in the hollow structure.
Preferably, the two ends of the spring are respectively connected with the reinforcing layer and the pull rod.
Preferably, the hinge support is located in a liquid filled environment, and the liquid is selected from liquids with less deformation under stress.
Preferably, the prestress device has good tightness, and the inside is a vacuum environment.
Preferably, the pull rod should be less than the horizontal distance of the air lock structure.
Preferably, the temperature plate is uniformly installed inside the air lock.
Preferably, the hinge point structure is as small as possible, and only the small rotation angles at the two ends of the air plug are ensured.
Preferably, the polymer materials with low permeability materials are embedded at the two sides of the pull rod and can be butyl rubber, natural rubber, ethylene propylene diene monomer rubber or glass fiber reinforced plastic.
Preferably, the sealing layer should have the capability of preventing air leakage, and may be a high polymer material with low permeability, such as butyl rubber, natural rubber, ethylene propylene diene monomer rubber or glass fiber reinforced plastic.
Preferably, the upper arch structure satisfies the equation:
wherein f is the height of the arch structure, h is the length of the pull rod, m is the weight of the arch structure, and g is the gravitational acceleration. Wherein the negative number is the compressive stress or the shearing force of 'lower left and upper right' or the bending moment of 'clockwise left and anticlockwise'.
Preferably, the lower arch structure satisfies the equation:
wherein f is the height of the arch structure, h is the length of the pull rod, m is the weight of the arch structure, and g is the gravitational acceleration. Wherein the negative number is the compressive stress or the shearing force of 'lower left and upper right' or the bending moment of 'clockwise left and anticlockwise'.
The invention discloses the following technical effects: according to the gas storage gas plug structure with the forced flow reasonable arc, gas is transported through the pipeline, high temperature carried by the gas is absorbed by the temperature plate in the gas storage, and when the gas is released, the temperature plate releases the temperature, so that the maximum utilization of energy is ensured; when the gas is filled in the gas storage, the force is applied to the arch wire in a uniformly distributed load mode, the arch wire structure benefits from the structural design of the arch wire structure so that the inside only has the axial compressive stress effect, the bottom of the arch wire structure can generate horizontal displacement, but a pull rod at the bottom can restrict the displacement and provide certain initial prestress for the arch wire structure, which means that the arch wire structure can not generate larger horizontal deformation under the action of air pressure so as to squeeze and destroy a rock area, the bottom of the gas plug is connected with a reinforcing layer and the pull rod through a hinged support and a spring, and buffer solution is filled in the arch wire structure, so that the impact of the gas on the rock body in the vertical direction can be greatly weakened; the left and right sides of the gas storage are provided with sealing layers and lining layers, which not only play a role in supporting but also play a role in preventing gas leakage.
The device has the advantages that the device has simple integral structure, reasonably utilizes the mechanical theory, reduces the generation of the tensile stress of the air lock, and can well avoid heat exchange with the outside, thereby ensuring smaller energy loss and improving the generated energy, ensuring safer and more efficient operation of the compressed air energy storage air storage, and further effectively solving the key scientific problem of safe storage of high-temperature and high-pressure gas in the air storage.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the drawings that are needed in the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an upper airlock with a reasonable camber line for force flow in the present invention;
FIG. 2 is a graph of axial force, shear force and bending moment distribution of an upper airlock structure with reasonable camber line of force flow in the present invention;
FIG. 3 is a schematic view of a lower airlock with a reasonable arc of force flow in the present invention;
FIG. 4 is a graph showing axial force, shear force and bending moment distribution of a lower airlock structure with reasonable camber line of force flow in the present invention;
FIG. 5 is a schematic diagram of an underground energy storage device with reasonable camber line of force flow according to the present invention;
FIG. 6 is a schematic diagram of a one-way valve of an underground energy storage device with reasonable camber line of force flow in accordance with the present invention.
Wherein: 1. a first spring; 2. a hinged support; 3. a second spring; 4. a pipe; 5. an upper archwire structure; 6. a first hinge point; 7. a temperature plate; 8. a prestressing device; 9. surrounding rock; 10. a pull rod; 11. a lower arch wire structure; 12. a sealing layer; 13. lining a layer; 14. a reinforcing layer; 15. a nut; 16. a steel sheet feeding structure; 17. a buffer; 18. a lower steel sheet structure; 19. and a second hinge point.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
Referring to fig. 5-6, the invention provides a gas storage gas plug structure with a reasonable arc of forced flow, which comprises an underground gas storage and a hinged support (2), wherein the underground gas storage is composed of a first spring 1, a hinged support 2, a second spring 3, a pipeline 4, an upper arch line structure 5, a first hinge pivot 6, a temperature plate 7, a prestressing device 8, surrounding rock 9, a pull rod 10, a lower arch line structure 11, a sealing layer 12, a lining layer 13 and a reinforcing layer 14, the hinged support (2) is composed of a nut 15, an upper steel sheet structure 16, a buffer solution 17, a lower steel sheet structure 18 and a second hinge pivot 19, the whole underground gas storage is composed of surrounding rock 9, reinforcing layers 14 are arranged on the upper side and the lower side of the underground gas storage, the inner side of the reinforcing layer 14 is connected with the hinged support 2 through the first spring 1 and the second spring 3, the first spring 1, the second spring 3 and the hinge support 2 are connected with a pull rod 10 positioned at the upper side, buffer solution 17 is arranged in the middle of the upper pull rod 10 and a reinforcing layer 14, the middle of the upper pull rod 10 is connected with a prestress device 8, the inner side of the upper pull rod 10 is connected with an upper arch wire structure 5, a first hinge pivot 6 is embedded in the middle of the upper arch wire structure 5, the reinforcing layer 14 and the inner part of the upper pull rod 10 penetrate through a pipeline 4 and extend into an underground gas storage, a large number of uniformly distributed temperature plates 7 exist in the underground gas storage, a sealing layer 12 and an lining layer 13 are respectively arranged at two sides of the underground gas storage, a lower arch wire structure 11 is connected with the inner side of the lower pull rod, and the lower arch wire structure 11 is connected with the lower arch wire structure through the first hinge pivot 6.
Further preferably, no gap is left between the pipeline 4 and the reinforcing layer 14 and the pull rod 10, and the outside of the pipeline is in a sealed state.
Further optimizing scheme, the pipeline 4 can be used as a channel for inputting gas and also can be used as a channel for releasing gas.
Further preferably, the buffer solution 17 is filled between the reinforcement layer 14 and the tie rod 10.
In a further optimized scheme, the inside of the prestressing device 8 is vacuum, so that the rod piece is in a tension state in an initial state.
Further preferably, the sealing material is coated on the side of the reinforcing layer 14 close to the pull rod 10 and the outer side of the pull rod 10.
Further optimizing scheme, the first spring 1 is higher in rigidity and is initially in a tension state.
Further optimizing scheme, the rigidity of the second spring 3 is smaller, and the second spring is initially in a pressed state.
Further preferably, the second pivot point 19 in the pivot mount 2 can be moved in the direction of the tie rod 10.
Further preferably, the length of the reinforcing layer 14 is slightly longer than the sum of the widths of the sealing layers on both sides, the lining layer and the interior of the gas storage.
In a further preferred embodiment, the temperature plate 7 is a multi-layer porous structure, and the material should be selected to facilitate heat exchange.
In a further optimized scheme, nuts 15 are pressed and connected inside the two ends of the pull rod 10, an upper steel sheet structure 16 is mounted on the inner side wall of the pull rod 10, a lower steel sheet structure 18 is connected to the bottom end of the upper steel sheet structure 16, and the connection part of the upper steel sheet structure 16 and the lower steel sheet structure 18 is connected through a second hinge pivot 19.
Working principle:
when air is compressed by the compressor, the input gas reaches the inside of the gas storage along the pipeline 4, the gas pressure is increased along with the continuous compression of the gas in the gas storage, the temperature is increased, the temperature plate 7 starts to quickly absorb heat to store more energy, the gas pressure and the gravity of the system can directly act on the upper arch wire structure 5 and the lower arch wire structure 11, the upper arch wire structure 5 and the lower arch wire structure 11 start to generate horizontal thrust at the bottom and generate horizontal displacement, the initially generated displacement and horizontal stress can be counteracted by the pull rod 10 due to the existence of the pre-stressing device 8, the distance between the two pull rods in the pre-stressing device 8 is increased along with the continuous increase of the stress, the danger that the pull rod 10 is pulled out is avoided, the continuous increase of the space in the pre-stressing device 8 can also provide larger pulling force to control the horizontal displacement of the upper arch wire structure 5 and the lower arch wire structure 11 to be kept at lower acceptable levels, meanwhile, the bottoms of the upper arch wire structure 5 and the lower arch wire structure 11 can also generate vertical pressure, the partial pressure can be destroyed by the first spring 1, the second spring 3 and the second spring layer 17 and the surrounding layer 14 can not be destroyed, and the area of the surrounding area can be further reduced; then, the gas is released, the temperature starts to be reduced along with the reduction of the internal pressure, at this time, the temperature plate 7 releases the energy stored in the previous step to heat the gas, the energy loss of heat conduction is reduced, the energy utilization rate can be improved, and the design of the arch wire structure is benefited, when the gas pressure reaches a peak value, the upper arch wire structure 5 and the lower arch wire structure 11 are used as core gas plug devices of the gas storage, only small shearing stress can be generated, so that the whole structure of the gas storage is protected from being damaged, and the service life of the gas storage can be greatly prolonged.
In the description of the present invention, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
The above embodiments are only illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solutions of the present invention should fall within the protection scope defined by the claims of the present invention without departing from the design spirit of the present invention.
Claims (6)
1. The utility model provides a gas storage gas lock structure with rational pitch arc of power flow, includes underground gas storage and hinge support (2), its characterized in that: the underground gas storage is composed of a first spring (1), a hinged support (2), a second spring (3), a pipeline (4), an upper arch wire structure (5), a first hinge pivot (6), a temperature plate (7), a pre-stressing device (8), surrounding rock (9), a pull rod (10), a lower arch wire structure (11), a sealing layer (12), an lining layer (13) and a reinforcing layer (14), the hinged support (2) is composed of a nut (15), an upper steel sheet structure (16), buffer solution (17), a lower steel sheet structure (18) and a second hinge pivot (19), the whole underground gas storage is surrounded by the surrounding rock (9), the reinforcing layer (14) is arranged on the upper side and the lower side of the underground gas storage, the inner side of the reinforcing layer (14) is connected with the hinge support (2) through the first spring (1), the second spring (3) and the hinge support (2), the pull rod (10) on the upper side is connected with the middle part (14) of the reinforcing layer (16), the inner side of the pull rod (10) is connected with the upper arch wire structure (10) through the pre-stressing device (8), the utility model discloses a concrete structure of underground gas storage, including upper arch wire structure (5), inside embedding first hinge fulcrum (6) in the middle of upper arch wire structure (5), reinforcement layer (14) and be located inside pipeline (4) that runs through of upside pull rod (10) and extend to inside the underground gas storage, inside a large amount of evenly distributed's temperature board (7) that exist of underground gas storage, the both sides of underground gas storage are sealing layer (12) and lining layer (13) respectively, the downside the pull rod inboard is connected with arch wire structure (11) down, arch wire structure (11) are connected through first hinge fulcrum (6) down, second hinge fulcrum (19) can follow pull rod (10) direction motion.
2. The gas storage gas lock structure with rational camber line of the power flow according to claim 1, wherein: the inside of the hinged support (2) is filled with buffer solution (17).
3. The gas storage gas lock structure with rational camber line of the power flow according to claim 1, wherein: the inside of the prestress device (8) is a vacuum environment, and the two pull rods (10) are separated by a certain gap in an initial state.
4. The gas storage gas lock structure with rational camber line of the power flow according to claim 1, wherein: the temperature plate (7) is of a multi-layer porous structure.
5. The gas storage gas lock structure with rational camber line of the power flow according to claim 1, wherein: the length of the reinforcing layer (14) is larger than the sum of the thicknesses of the sealing layer, the lining layer and the gas storage at the two sides.
6. The gas storage gas lock structure with rational camber line of the power flow according to claim 1, wherein: the two ends of the pull rod (10) are internally crimped with nuts (15), an upper steel sheet structure (16) is arranged on the inner side wall of the pull rod (10), a lower steel sheet structure (18) is connected to the bottom end of the upper steel sheet structure (16), and the joint of the upper steel sheet structure (16) and the lower steel sheet structure (18) is connected through a second hinge pivot (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211345477.4A CN115559587B (en) | 2022-10-31 | 2022-10-31 | Gas storage air plug structure with reasonable arc of power flow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211345477.4A CN115559587B (en) | 2022-10-31 | 2022-10-31 | Gas storage air plug structure with reasonable arc of power flow |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115559587A CN115559587A (en) | 2023-01-03 |
| CN115559587B true CN115559587B (en) | 2023-06-06 |
Family
ID=84769551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211345477.4A Active CN115559587B (en) | 2022-10-31 | 2022-10-31 | Gas storage air plug structure with reasonable arc of power flow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115559587B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102705693A (en) * | 2012-05-16 | 2012-10-03 | 海工英派尔工程有限公司 | High pressure gas storage device of deeply-embedded steel lining structure |
| CN108916105B (en) * | 2018-07-09 | 2020-12-29 | 中国矿业大学 | Constant-pressure compressed air energy storage device |
| CN212319398U (en) * | 2020-01-14 | 2021-01-08 | 长沙理工大学 | Underground gas storage |
| CN216811786U (en) * | 2021-10-29 | 2022-06-24 | 势加透博（上海）能源科技有限公司 | Compressed air energy storage system |
| CN217109111U (en) * | 2022-02-17 | 2022-08-02 | 中海石油气电集团有限责任公司 | Low-pressure liquid hydrogen concrete storage tank with large-scale vault structure |
-
2022
- 2022-10-31 CN CN202211345477.4A patent/CN115559587B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN115559587A (en) | 2023-01-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN115559587B (en) | Gas storage air plug structure with reasonable arc of power flow | |
| CN115324647A (en) | Underground rock cavern gas storage composite lining sealing structure and construction method thereof | |
| CN105332363B (en) | A kind of adjustable pressure core pocket type Air-Cushioned Surge Chamber | |
| CN112334652A (en) | System for storing compressed fluid | |
| CN210002596U (en) | multi-stage energy-consumption composite buckling-restrained brace | |
| CN113107749A (en) | Movable wave energy storage generator | |
| CN110080822B (en) | Underground rock cave gas storage and concrete lining parting gas leakage prevention structure | |
| CN115059869A (en) | High-pressure hydrogen underground storage structure and storage mode | |
| CN115711357A (en) | Compressed air energy storage tank and manufacturing method thereof | |
| CN216552704U (en) | Local concrete steel pipe column with branch pipes | |
| CN201770970U (en) | Steel pipe concrete arch dam | |
| CN115680770A (en) | Compressed air energy storage gas storage and forming method thereof | |
| CN211395736U (en) | Prefabricated concrete component assembling tower footing foundation | |
| CN218543979U (en) | Compressed air energy storage tank | |
| CN116877911B (en) | Large-deformation underground energy storage device | |
| CN112726664A (en) | Interchangeable foam concrete link plate protection piping lane inside gas explosion device | |
| KR102030611B1 (en) | Reservoir in underground for the storage of highly pressured fluid and CAES system using the same | |
| CN219865161U (en) | Double-film sealing structure of underground rock cavern gas storage | |
| CN206052807U (en) | Excavator | |
| CN115479211B (en) | Underground energy storage device with unidirectional and multi-gear transmission valve | |
| KR101993419B1 (en) | Reservoir in underground for the storage of highly pressured fluid and CAES system using the same | |
| CN213174488U (en) | Waterproof roll for building roof | |
| CN220797613U (en) | Marine substation system | |
| CN213119566U (en) | Buffer tank heat insulation guide device | |
| CN108193793A (en) | A kind of anti-buckling constraint support of dual round steel pipe constraint |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |