CN115234823A - Gravity compressed air storage system based on reinforced seal membrane anchoring end strength - Google Patents
Gravity compressed air storage system based on reinforced seal membrane anchoring end strength Download PDFInfo
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- CN115234823A CN115234823A CN202210796105.7A CN202210796105A CN115234823A CN 115234823 A CN115234823 A CN 115234823A CN 202210796105 A CN202210796105 A CN 202210796105A CN 115234823 A CN115234823 A CN 115234823A
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- 239000012528 membrane Substances 0.000 title claims abstract description 82
- 230000005484 gravity Effects 0.000 title claims abstract description 81
- 238000004873 anchoring Methods 0.000 title claims abstract description 68
- 238000003860 storage Methods 0.000 title claims abstract description 28
- 238000007789 sealing Methods 0.000 claims abstract description 136
- 239000011152 fibreglass Substances 0.000 claims abstract description 43
- 239000003822 epoxy resin Substances 0.000 claims abstract description 12
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 12
- 238000003825 pressing Methods 0.000 claims abstract description 11
- 239000010410 layer Substances 0.000 claims description 49
- 229920006231 aramid fiber Polymers 0.000 claims description 5
- 239000002356 single layer Substances 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims 1
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- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 4
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- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 4
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- 238000005381 potential energy Methods 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
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- 230000004075 alteration Effects 0.000 description 1
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Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C1/00—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/06—Closures, e.g. cap, breakable member
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J15/00—Systems for storing electric energy
- H02J15/006—Systems for storing electric energy in the form of pneumatic energy, e.g. compressed air energy storage [CAES]
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The invention discloses a gravity compressed air storage system based on the enhancement of the strength of a sealing membrane anchoring end, which comprises a sealing membrane, wedge-shaped glass fiber reinforced plastics and a vertical shaft, wherein the sealing membrane comprises a sealing layer and a tension layer extending out of the sealing layer, and the part of the tension layer extending out of the sealing layer is the anchoring end of the sealing membrane; the anchoring end extends into the bottom of the wedge-shaped glass fiber reinforced plastic, epoxy resin is filled in the wedge-shaped glass fiber reinforced plastic to fix the anchoring end, a bolt penetrates through the wedge-shaped pressing plate and the wedge-shaped glass fiber reinforced plastic to fix the anchoring end on the wall surface, and a sealing element is arranged at the bottom of the wedge-shaped glass fiber reinforced plastic; and the anchoring ends at the two ends of the sealing film are respectively fixedly connected with the bottom of the gravity component and the wall surface of the vertical shaft in a sealing way. According to the invention, the anchoring end of the sealing membrane, the glass fiber reinforced plastic and the epoxy resin form a composite material, and the anchoring force is converted from static friction force to the combined action of static friction force and tensile stress by adopting bolt anchoring between the composite material and the wedge-shaped pressing plate, so that the anchoring mode is safe and reliable, and the sealing membrane can be effectively prevented from being damaged or pulled off in the pressure bearing process.
Description
Technical Field
The invention relates to the technical field of electric energy storage, in particular to a gravity compressed air storage system based on enhancement of the strength of an anchoring end of a sealing film.
Background
The gravity compressed air storage system converts the surplus electric energy in the low ebb period of electricity consumption or in the area with rich renewable energy and electricity into the pressure potential energy of air, and converts the potential energy of air into electric energy in the peak period of electricity consumption or in the area with poor electricity and large electricity consumption, and is a large-scale energy storage technology. The air which is green, abundant and convenient to take is used as a medium, the problem of time-space contradiction of electric energy utilization is ingeniously solved, and meanwhile, intermittent electric power generated by renewable energy sources can be spliced, so that the quality of the electric energy is improved. The compressed air energy storage technology is safe, efficient and low-carbon, is not limited by the spontaneous combustion condition, and is an important application technology in the fields of energy and electric power.
Through setting up the seal membrane in order to prevent gas leakage in gravity compressed air gas storage system, the anchor of present seal membrane generally adopts the mode of directly fixing the seal membrane through the bolt to realize, and the frictional force that the pretightning force that this mode passes through the bolt produced is fixed with the seal membrane, on the one hand because the elasticity that seal membrane itself has makes the seal membrane not compress tightly on the wall better, and on the other hand leads to the intensity reduction of anchor end seal membrane because the production of anchor hole site, causes the seal membrane to tear easily.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art.
Therefore, the embodiment of the invention provides a gravity compressed air storage system based on the enhancement of the strength of the anchoring end of the sealing film.
The invention provides a gravity compressed air storage system based on the enhancement of the strength of an anchoring end of a sealing film, which comprises:
the flexible barrel-shaped sealing membrane comprises a sealing layer and a tension layer extending out of the sealing layer, wherein the part of the tension layer extending out of the sealing layer is an anchoring end of the sealing membrane, and the anchoring ends are distributed at two ends of the sealing membrane;
the anchoring end of the wedge-shaped glass fiber reinforced plastic is of a hollow structure, the anchoring end extends into the bottom of the wedge-shaped glass fiber reinforced plastic, epoxy resin is filled in the wedge-shaped glass fiber reinforced plastic to fix the anchoring end, a bolt penetrates through the wedge-shaped pressing plate and the wedge-shaped glass fiber reinforced plastic to fix the anchoring end on a wall surface, and a sealing element is arranged at the bottom of the wedge-shaped glass fiber reinforced plastic;
the gravity component can be movably inserted into the vertical shaft, the sealing film is arranged in a gap between the gravity component and the vertical shaft, and the anchoring ends at two ends of the sealing film are fixedly connected with the bottom of the gravity component and the inner wall surface of the vertical shaft in a sealing mode respectively.
In some embodiments, the tension layer is a single or multiple layers of aramid fibers and the sealing layer is a rubber layer.
In some embodiments, an annular gasket is disposed between the wedge-shaped fiberglass reinforced plastic and the wedge-shaped platen.
In some embodiments, the wedge-shaped fiberglass is the same thickness as the non-anchored end of the sealing membrane.
In some embodiments, the top end of the sealing membrane is folded inwards to form an inner sealing membrane and an outer sealing membrane which are connected at the top ends, the inner sealing membrane is fixedly connected with the bottom of the gravity assembly, and the outer sealing membrane is fixedly connected with the inner wall surface of the vertical shaft.
In some embodiments, the sealing membrane is a conical cylinder structure, and the outer diameter of the bottom end of the conical cylinder is larger than that of the top end of the conical cylinder.
In some embodiments, the gravity assembly comprises a first gravity assembly located underground and a second gravity assembly located above the ground, the first gravity assembly comprises a pressure bearing cylinder, a gravity piece is filled in the pressure bearing cylinder, and the anchoring end at one end of the sealing membrane is fixedly connected with the bottom of the pressure bearing cylinder.
In some embodiments, a limiting element is arranged at the top end of the pressure bearing barrel, and the second gravity assembly is arranged on the top of the limiting element.
In some embodiments, a plurality of support rings are arranged on the inner wall of the pressure bearing barrel, and the support rings are coincided with the axis of the pressure bearing barrel.
In some embodiments, the second gravity assembly comprises a plurality of gravity blocks arranged in a stacked manner.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the anchoring end of the sealing film, the glass fiber reinforced plastic and the epoxy resin form a composite material, and the anchoring force is converted from static friction force to static friction force and tensile stress under the combined action by adopting bolt anchoring between the composite material and the wedge-shaped pressing plate, so that the anchoring mode is safe and reliable, and the sealing film can be effectively prevented from being damaged or pulled off in the pressure bearing process.
The sealing element is arranged at the bottom of the wedge-shaped glass fiber reinforced plastic, so that gas is prevented from escaping from a gap between the wedge-shaped glass fiber reinforced plastic and the wall surface, and the sealing property of the vertical shaft is improved.
Drawings
The foregoing and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic structural diagram of a sealing film according to an embodiment;
FIG. 2 is a schematic diagram of an embodiment of a gravity compressed air storage system;
FIG. 3 is a schematic perspective view of a sealing film according to an embodiment;
FIG. 4 is a schematic view of an anchoring structure of the sealing film according to an embodiment;
FIG. 5 is a schematic view of another embodiment of a gravity compressed air storage system;
FIG. 6 is a schematic diagram of another embodiment of a gravity compressed air storage system;
description of the reference numerals:
1. sealing the film; 2. a tension layer; 3. a sealing layer; 4. wedge-shaped glass fiber reinforced plastic; 5. a wedge-shaped pressing plate; 6. an anchoring end; 7. a non-anchored end; 8. a seal member; 9. a bolt; 10. a vertical shaft; 11. a steel lining; 12. an inner ring sealing film; 13. an outer ring sealing membrane; 14. a gravity assembly; 15. a first gravity assembly; 16. a second gravity assembly; 17. a pressure-bearing cylinder; 18. a weight member; 19. a gravity block; 20. a spacing element; 21. and (3) supporting the ring.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
The following describes a gravity compressed air storage system based on the enhancement of the strength of the anchoring end of the sealing film according to an embodiment of the present invention with reference to the accompanying drawings.
As shown in fig. 1-6, the gravity compressed air storage system based on the reinforced strength of the anchoring end of the sealing membrane comprises the sealing membrane 1, a vertical shaft 10, wedge-shaped glass fiber reinforced plastic 4 and a gravity assembly 14.
The shaft 10 is used for storing compressed air, and one end of the sealing membrane 1 is hermetically connected to the inner wall surface of the shaft 10.
In some embodiments, a steel lining 11 is arranged on the inner wall surface of the shaft 10, and the steel lining 11 is arranged so that one end of the sealing membrane 1 can be better fixedly pressed on the inner wall surface of the shaft 10.
The sealing membrane 1 is in a flexible barrel shape, the sealing membrane 1 comprises a sealing layer 3 and a tension layer 2 extending out of the sealing layer 3, the part of the tension layer 2 extending out of the sealing layer 3 is an anchoring end 6 of the sealing membrane 1, and the anchoring ends 6 are distributed at two ends of the sealing membrane 1.
In some embodiments, the tension layer 2 is a single or multiple layers of aramid fibers and the sealing layer 3 is a rubber layer. The aramid fiber layer and the rubber layer form a composite material to be used as the sealing film 1, wherein the aramid fiber is a novel high-tech synthetic fiber, has the performances of high strength, high modulus, high temperature resistance, acid and alkali resistance, light weight and the like, and is suitable for being used as the tension layer 2 of the sealing film 1; the rubber is a high-elasticity polymer material with reversible deformation, has elasticity at room temperature, can generate large deformation under the action of small external force, can recover the original shape after the external force is removed, and is suitable for being used as the sealing layer 3 of the sealing film 1.
The wedge-shaped glass fiber reinforced plastic 4 is a hollow structure, and the hollow structure of the wedge-shaped glass fiber reinforced plastic 4 is used for inserting the anchoring end 6 of the sealing film 1 and injecting epoxy resin. The anchoring end 6 extends into the bottom of the wedge-shaped glass fiber reinforced plastic 4, epoxy resin is filled in the wedge-shaped glass fiber reinforced plastic 4 to fix the anchoring end 6, and the bolt 9 penetrates through the wedge-shaped pressing plate 5 and the wedge-shaped glass fiber reinforced plastic 4 to fix the anchoring end 6 on a wall surface.
The specific mode when the sealing membrane 1 is anchored with the wall surface is that firstly, the anchoring end 6 of the sealing membrane 1 extends into the wedge-shaped glass fiber reinforced plastic 4 of the hollow structure, then a proper amount of epoxy resin is injected into the wedge-shaped glass fiber reinforced plastic 4 of the hollow structure, after the epoxy resin is solidified, the anchoring end 6 is fixed by the epoxy resin to prevent the sealing membrane 1 from being pressed and pulled off in the inflation process of the gravity compressed air storage system, and the epoxy resin, the wedge-shaped glass fiber reinforced plastic 4 and the anchoring end 6 form a composite material, so that the strength of the anchoring end 6 is increased; the wedge-shaped pressing plate 5 is arranged on the outer side of the wedge-shaped glass fiber reinforced plastic 4, and the bolt 9 penetrates through the wedge-shaped pressing plate 5 and the wedge-shaped glass fiber reinforced plastic 4 to anchor the sealing membrane 1 on the wall surface.
Epoxy, wedge-shaped glass steel 4 and anchor end 6 form combined material in this anchor mode, adopt bolt 9 anchor between this combined material and the wedge clamp plate 5 to change the static friction into static friction and tensile stress combined action with anchor power, anchor mode safe and reliable can effectively avoid bearing pressure in-process seal membrane 1 to damage or pull off. Namely, the invention converts the mode of anchoring by utilizing the friction force generated by the pretightening force of the bolt 9 into the anchoring mode of jointly acting by static friction force and tensile stress by depending on the characteristics of tensile strength and compressive strength of the tension layer 2.
In some embodiments, the thickness of the wedge-shaped glass fibre reinforced plastic 4 is the same as the thickness of the non-anchored end 7 of the sealing membrane 1. It can be understood that the non-anchoring end 7 of the sealing membrane 1 is a composite structure layer of the tension layer 2 and the sealing layer 3, and when the anchoring end 6 extends into and is fixed inside the wedge-shaped glass fiber reinforced plastic 4, the thickness of the wedge-shaped glass fiber reinforced plastic 4 is the same as that of the non-anchoring end 7 of the sealing membrane 1, so that the whole thickness of the sealing membrane 1 is consistent, and the influence caused by the thickness difference is avoided.
In some embodiments, an annular shim is disposed between the wedge-shaped fiberglass 4 and the wedge-shaped platen 5. It will be appreciated that the provision of an annular spacer between the wedge-shaped glass fibre reinforced plastic 4 and the wedge-shaped pressure plate 5 enables compaction between the wedge-shaped glass fibre reinforced plastic 4 and the wedge-shaped pressure plate 5 to better compress the sealing membrane 1 against the wall surface. In some embodiments, the annular shim disposed between the wedge-shaped fiberglass 4 and the wedge-shaped platen 5 is a layer of annular thin soft shim.
In some embodiments, a seal 8 is disposed at the bottom of the wedge-shaped glass fiber reinforced plastic 4. It will be appreciated that the seal 8 prevents gas from escaping through the gap between the wedge of glass fibre reinforced plastic 4 and the wall. Wherein, the sealing member 8 can be a gas-stop rubber ring or a pc end socket, and it can be understood that the sealing member 8 can also be other suitable fittings.
The gravity component 14 can be movably inserted in the shaft 10, a gap exists between the gravity component 14 and the shaft 10, and the sealing film 1 is arranged in the gap between the gravity component 14 and the shaft 10. The anchoring ends 6 at the two ends of the sealing film 1 are respectively and fixedly connected with the bottom of the gravity assembly 14 and the inner wall surface of the shaft 10 in a sealing way. Specifically, the two ends of the sealing membrane 1 are anchoring ends 6, that is, the sealing membrane 1 is provided with two anchoring ends 6, one anchoring end 6 is fixedly connected to the bottom of the gravity assembly 14, and the other anchoring end 6 is fixedly connected to the inner wall surface of the shaft 10. The anchoring mode of the anchoring end 6 of the sealing membrane 1 and the gravity assembly 14 is the same as that of the anchoring end 6 of the sealing membrane 1 and the vertical shaft 10, the anchoring end 6 is made of composite materials of epoxy resin, wedge-shaped glass fiber reinforced plastic 4 and the anchoring end 6, then the wedge-shaped pressing plate 5 is arranged on the outer side of the wedge-shaped glass fiber reinforced plastic 4, and the sealing membrane 1 is anchored on the wall surface by penetrating the wedge-shaped pressing plate 5 and the wedge-shaped glass fiber reinforced plastic 4 through bolts 9.
In some embodiments, the top end of the flexible cylindrical sealing membrane 1 is folded inwards to form an inner annular sealing membrane 12 and an outer annular sealing membrane 13 which are connected at the top ends, the inner annular sealing membrane 12 is fixedly connected with the bottom of the gravity assembly 14, and the outer annular sealing membrane 13 is fixedly connected with the inner wall surface of the vertical shaft 10.
In some embodiments, the sealing membrane 1 is a conical cylinder structure, and the outer diameter of the bottom end of the conical cylinder is larger than that of the top end of the conical cylinder. It can be understood that the sealing membrane 1 is arranged into a conical cylinder structure, so that the sealing membrane 1 is turned over, the sealing membrane of the inner ring conical cylinder at the small opening end is arranged inside, the sealing membrane of the outer ring conical cylinder at the large opening end is arranged outside, and a gap is formed between the sealing membrane of the inner ring conical cylinder and the sealing membrane of the outer ring conical cylinder, so that the sealing membrane of the inner ring conical cylinder can be conveniently driven to move up and down when the gravity assembly 14 moves up and down in the energy storage and release processes.
In some embodiments, the gravity assembly 14 comprises a first gravity assembly 15 located underground and a second gravity assembly 16 located above the ground, the first gravity assembly 15 comprises a pressure bearing cylinder 17, the pressure bearing cylinder 17 is filled with a gravity piece 18, and the anchoring end 6 at one end of the sealing film 1 is fixedly connected with the bottom of the pressure bearing cylinder 17. The top end of the pressure bearing cylinder 17 is provided with a limiting element 20, and the second gravity assembly 16 is arranged on the top of the limiting element 20.
Wherein, the gravity piece 18 can be sand, that is, sand is filled in the pressure bearing cylinder 17. One end of the sealing film 1 is hermetically connected with the bottom of the pressure-bearing cylinder 17, and the pressure-bearing cylinder 17, the sealing film 1 and the vertical shaft 10 are positioned in the space below the sealing film 1 to form an air storage cavity. The pressure bearing cylinder 17 is a cylindrical structure enclosed by steel plates, has a smooth surface, and can increase the sealing property when being connected with the sealing film 1; the gravity assembly 14 is generally prepared from concrete, and the condition of air leakage can appear under the action of high-pressure air, and through filling sand in the pressure-bearing cylinder 17 to replace a concrete gravity block, the air tightness can be improved, air leakage from the concrete gravity block is prevented, and then the sealing characteristic of the air storage cavity is ensured, higher pressure can be borne, and the energy density of the system energy storage is improved.
In some embodiments, a limiting element 20 is disposed at the top end of the pressure-bearing cylinder 17, and the pressure-bearing cylinder 17 moving downwards is supported on the ground at the top of the shaft 10 through the limiting element 20, so that when the pressure-bearing cylinder 17 is located at the lowest limit, a certain space is left in the air storage cavity, and when a sufficient amount of compressed air is introduced into the air storage cavity, the gravity assembly 14 can be jacked up. The second gravity assemblies 16 are arranged on the tops of the limiting elements 20, and by arranging the second gravity assemblies 16 of the gravity assemblies 14 on the ground, when large energy storage is realized, all the gravity assemblies 14 are not required to be concentrated in the shaft 10, so that the height of the shaft 10 can be reduced, and the excavation engineering amount and the engineering difficulty of the shaft 10 are reduced.
In some embodiments, a plurality of support rings 21 are disposed on the inner wall of the pressure-bearing cylinder 17 in the axial direction, the plurality of support rings 21 are disposed coaxially with the pressure-bearing cylinder 17, and the strength of the pressure-bearing cylinder 17 can be increased by disposing the support rings 21.
In some embodiments, the second gravity assembly 16 includes a plurality of gravity blocks 19 stacked on top of the limiting element 20, and the plurality of gravity blocks 19 are stacked on top of the limiting element 20, so that the difficulty in hoisting can be reduced by arranging the second gravity assembly 16 as the plurality of gravity blocks 19, and the hoisting construction is facilitated.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms may be directed to different embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. The utility model provides a gravity compressed air gas storage system based on reinforcing seal membrane anchor end intensity which characterized in that includes:
the flexible barrel-shaped sealing membrane comprises a sealing layer and a tension layer extending out of the sealing layer, wherein the part of the tension layer extending out of the sealing layer is an anchoring end of the sealing membrane, and the anchoring ends are distributed at two ends of the sealing membrane;
the anchoring end of the wedge-shaped glass fiber reinforced plastic is of a hollow structure, the anchoring end extends into the bottom of the wedge-shaped glass fiber reinforced plastic, epoxy resin is filled in the wedge-shaped glass fiber reinforced plastic to fix the anchoring end, a bolt penetrates through the wedge-shaped pressing plate and the wedge-shaped glass fiber reinforced plastic to fix the anchoring end on the wall surface, and a sealing element is arranged at the bottom of the wedge-shaped glass fiber reinforced plastic;
the gravity component can be movably inserted into the vertical shaft, the sealing film is arranged in a gap between the gravity component and the vertical shaft, and the anchoring ends at two ends of the sealing film are fixedly connected with the bottom of the gravity component and the inner wall surface of the vertical shaft in a sealing mode respectively.
2. The gravity compressed air storage system of claim 1 wherein the tension layer is a single or multiple layers of aramid fiber and the sealing layer is a rubber layer.
3. The gravity compressed air storage system of claim 1 wherein an annular gasket is disposed between said wedge shaped fiberglass and said wedge shaped pressure plate.
4. The gravity compressed air storage system of claim 1 wherein the wedge shaped glass reinforced plastic has a thickness that is the same as the thickness of the non-anchored end of the sealing membrane.
5. The gravity compressed air storage system according to claim 1 wherein the top ends of the sealing membranes are folded inwards to form an inner sealing membrane and an outer sealing membrane which are connected at the top ends, the inner sealing membrane is fixedly connected to the bottom of the gravity assembly, and the outer sealing membrane is fixedly connected to the inner wall surface of the shaft.
6. The gravity compressed air storage system of claim 5 wherein the sealing membrane is a conical cylinder having a bottom outer diameter greater than a top outer diameter of the conical cylinder.
7. The gravity compressed air storage system of claim 1 wherein said gravity assembly comprises a first gravity assembly located underground and a second gravity assembly located above ground, said first gravity assembly comprising a pressure-bearing cylinder filled with a gravity member, said anchoring end of one end of said sealing membrane being fixedly attached to the bottom of said pressure-bearing cylinder.
8. The gravity-compressed air storage system of claim 7 wherein the top end of the pressure-bearing cartridge is provided with a stop element and the second gravity assembly is disposed on top of the stop element.
9. The gravity compressed air storage system of claim 7 wherein a plurality of support rings are disposed on the inner wall of the pressure bearing cartridge, said support rings being coincident with the axis of the pressure bearing cartridge.
10. The gravity compressed air storage system of claim 8 wherein the second gravity assembly includes a plurality of gravity blocks arranged in a stacked configuration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210796105.7A CN115234823B (en) | 2022-07-07 | 2022-07-07 | Gravity compressed air storage system based on strength of reinforced sealing film anchoring end |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210796105.7A CN115234823B (en) | 2022-07-07 | 2022-07-07 | Gravity compressed air storage system based on strength of reinforced sealing film anchoring end |
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| CN115234823A true CN115234823A (en) | 2022-10-25 |
| CN115234823B CN115234823B (en) | 2024-06-11 |
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| CN112513516A (en) * | 2018-06-15 | 2021-03-16 | 气体运输技术公司 | Sealed and thermally insulating container with continuous corrugation in liquid dome |
| CN112534176A (en) * | 2018-07-13 | 2021-03-19 | 气体运输技术公司 | Tank wall comprising a sealing membrane having corrugations with reinforced curved portions |
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| FR1285342A (en) * | 1961-01-10 | 1962-02-23 | Gaz De France | Method for fitting out a well intended in particular to give access to a cavity fitted out for the storage of liquefied gas or other substances at low temperature and installation carried out by the aforementioned method |
| CN111237144A (en) * | 2020-01-14 | 2020-06-05 | 中国华能集团有限公司 | Gravity compressed air energy storage system and working method thereof |
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| CN101134498A (en) * | 2006-09-01 | 2008-03-05 | 韩国Gas公社 | Structure for liquefied natural gas storage tank |
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| CN111094833A (en) * | 2017-08-07 | 2020-05-01 | 气体运输技术公司 | Sealed and thermally insulated container comprising a gas-collecting dome |
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| CN115234823B (en) | 2024-06-11 |
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