CN114718687B - Gravity compressed air energy storage device arranged underground layered gravity block - Google Patents
Gravity compressed air energy storage device arranged underground layered gravity block Download PDFInfo
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- CN114718687B CN114718687B CN202210642211.XA CN202210642211A CN114718687B CN 114718687 B CN114718687 B CN 114718687B CN 202210642211 A CN202210642211 A CN 202210642211A CN 114718687 B CN114718687 B CN 114718687B
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- 230000005484 gravity Effects 0.000 title claims abstract description 143
- 238000004146 energy storage Methods 0.000 title claims abstract description 19
- 230000000670 limiting effect Effects 0.000 claims abstract description 22
- 238000007789 sealing Methods 0.000 claims description 33
- 238000010276 construction Methods 0.000 abstract description 4
- 239000012528 membrane Substances 0.000 description 25
- 238000000034 method Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 208000004350 Strabismus Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
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- 239000010959 steel Substances 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K27/00—Plants for converting heat or fluid energy into mechanical energy, not otherwise provided for
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
- F03G3/00—Other motors, e.g. gravity or inertia motors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B41/00—Pumping installations or systems specially adapted for elastic fluids
- F04B41/02—Pumping installations or systems specially adapted for elastic fluids having reservoirs
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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
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
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Abstract
The application provides a gravity compressed air energy storage device arranged underground by layered gravity blocks, which comprises a vertical shaft, a pressure bearing cylinder and a multi-stage gravity block group, wherein a multi-stage locking platform is arranged on the inner wall of the vertical shaft from bottom to top along the axial direction; the bearing cylinder is movably inserted in the vertical shaft, a limiting assembly is arranged on the outer wall of the top end of the bearing cylinder, so that the bearing cylinder is supported on a one-level locking platform at the bottommost part of the vertical shaft through the limiting assembly when the bearing cylinder is limited to the lowest position, multiple levels of gravity block groups are respectively arranged on the corresponding multiple levels of locking platforms, the gravity block groups on the one-level locking platforms are arranged at the top of the bearing cylinder, so that the gravity block groups on the one-level locking platforms are supported through the multiple levels of gravity block groups, the multiple levels of locking platforms are correspondingly arranged, the multiple levels of gravity block groups are respectively supported through the multiple levels of locking platforms, the acting force acting on the locking platforms can be reduced, and the construction difficulty is reduced.
Description
Technical Field
The application relates to the technical field of electric energy storage, in particular to a gravity compressed air energy storage device arranged underground by layered gravity blocks.
Background
Gravity compressed air energy storage is through setting up the gravity piece in the shaft, pass through seal membrane sealing connection between gravity piece and the shaft, form sealed gas storage chamber in the shaft that is located gravity piece below, a storage for high-pressure gas, let in the gas storage chamber through compressing the air and turn into the gravitational potential energy of gravity piece with compressed air's energy part and save, but the memory space is great, the gravity piece of great weight is needed, directly set the gravity piece into a holistic structure, weight is too big, hoist and mount are inconvenient, and because need leave certain space in the gas storage chamber, let in sufficient compressed air to inside, consequently, need support the gravity piece, when gas storage pressure is great, gravity briquetting weight is great, highly reach hundreds of meters, the supporting platform construction degree of difficulty is big, and there is great potential safety hazard.
Disclosure of Invention
The present application is directed to solving, at least to some extent, one of the technical problems in the related art.
For this reason, the aim at of this application provides a gravity compressed air energy memory that layer-stepping gravity piece was arranged underground, through setting up multistage gravity block group, corresponds simultaneously and sets up multistage locking platform, supports multistage gravity block group respectively through multistage locking platform, and not only hoist and mount are convenient to dispersion through multistage locking platform supports, can reduce the effort that acts on locking platform, reduces the construction degree of difficulty.
In order to achieve the above object, the application provides a gravity compressed air energy storage device that layer-stepping gravity piece was arranged underground, includes:
the device comprises a vertical shaft, wherein a multi-stage locking platform is arranged on the inner wall of the vertical shaft from bottom to top along the axial direction;
the bearing cylinder is movably inserted into the vertical shaft, a limiting component is arranged on the outer wall of the top end of the bearing cylinder, so that the bearing cylinder is supported on a primary locking platform at the bottommost part of the vertical shaft through the limiting component during lowest limiting, and the outer wall of the bearing cylinder is in sealing connection with the inner wall of the vertical shaft through a sealing component;
the multi-stage gravity block group is respectively arranged on corresponding multi-stage locking platforms, the gravity block group positioned on the one-stage locking platform is arranged at the top of the pressure bearing cylinder, so that the gravity block group on the one-stage locking platform is supported through the pressure bearing cylinder.
Furthermore, a bottom immersed tube is arranged below the first-stage locking platform on the inner wall of the vertical shaft, and the sealing assembly is connected between the inner wall of the bottom immersed tube and the outer wall of the pressure-bearing cylinder.
Furthermore, guide rails are arranged on the inner wall of the vertical shaft between every two adjacent locking platforms, and a first-level guide assembly matched with the guide rails is arranged on the gravity block group so as to limit the gravity block group through the guide rails.
Furthermore, the locking platform is a locking ring pre-embedded in the inner wall of the vertical shaft;
the limiting assembly is a supporting ring arranged on the outer wall of the top end of the pressure-bearing cylinder, the outer diameter of the supporting ring is larger than the inner diameter of a locking ring of the primary locking platform, and the outer diameter of the supporting ring is smaller than the inner diameter of the locking ring of the locking platform above the primary locking platform.
Furthermore, the outer wall of the support ring is provided with a secondary guide assembly matched with the guide rail.
Further, each stage of the gravity block set comprises a plurality of identical gravity blocks, the diameter of each gravity block is larger than the inner diameter of the locking ring of the supporting locking platform and smaller than the inner diameter of the locking ring of the upper locking platform, so that the gravity blocks can pass through the upper locking platform to reach the supporting locking platform when being installed.
Furthermore, a plurality of filling gravity blocks are filled in the pressure bearing cylinder.
Furthermore, a plurality of positioning strips along the axial direction are arranged on the inner wall of the pressure bearing cylinder, positioning sliding grooves along the axial direction are formed in the side walls of the positioning strips, and positioning sliding blocks matched with the positioning sliding grooves are arranged on the side walls of the gravity filling blocks.
Furthermore, a plurality of support rings are arranged on the inner wall of the pressure bearing cylinder along the axial direction, and the support rings and the pressure bearing cylinder are coaxially arranged.
Further, the bottom of the pressure bearing cylinder is of a conical structure.
Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.
Drawings
The foregoing and/or additional aspects and advantages of the present application 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 gravity compressed air energy storage device arranged underground in a layered gravity block according to an embodiment of the present application;
FIG. 2 is a partial schematic structural view of FIG. 1 of the present application;
FIG. 3 is a schematic structural view of the seal assembly of the present application;
in the figure, 1, a shaft; 11. sinking the tube at the bottom; 111. a collar; 12. sinking the pipe; 13. clamping a platform; 2. a pressure-bearing cylinder; 21. a limiting component; 22. filling the gravity block; 23. a positioning bar; 24. a support ring; 3. a set of gravity blocks; 31. a first-level gravity block group; 32. a secondary gravity block group; 4. locking the platform; 41. a primary locking platform; 5. a seal assembly; 51. supporting ribs; 52. an elastic sealing film; 6. a gas storage cavity; 8. a gravity block.
Detailed Description
Reference will now be made in detail to embodiments of the present application, 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 exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application. On the contrary, the embodiments of the application include all changes, modifications and equivalents coming within the spirit and terms of the claims appended hereto.
Fig. 1 is a schematic structural diagram of a gravity compressed air energy storage device arranged underground in a layered gravity block according to an embodiment of the present application.
Referring to fig. 1-3, a gravity compressed air energy storage device arranged underground by a layered gravity block comprises a vertical shaft 1, a pressure-bearing cylinder 2 and a multi-stage gravity block group 3;
the inner wall of the shaft 1 is provided with a plurality of stages of locking platforms 4 from bottom to top along the axial direction, that is, the bottommost part of the shaft 1 is a first-stage locking platform, the upper part of the first-stage locking platform is adjacent to a second-stage locking platform, the upper part of the second-stage locking platform is adjacent to a third-stage locking platform, and so on, until the N-stage locking platform, the pressure-bearing cylinder 2 is movably inserted in the shaft 1, the outer wall of the top end of the pressure-bearing cylinder 2 is provided with a limiting component 21, so that the pressure-bearing cylinder 2 is supported on the bottommost part of the shaft 1 through the limiting component 21 at the lowest limit, the outer wall of the pressure-bearing cylinder 2 is in sealing connection with the inner wall of the shaft 1 through a sealing component 5, so that the pressure-bearing cylinder 2, the sealing component 5 and the shaft 1 are positioned below the sealing component 5 to form an air storage chamber 6, when the pressure-bearing cylinder 2 moves downwards to the limiting component 21 and the first-stage locking platform 41, at this moment, the pressure bearing cylinder 2 stops moving, the pressure bearing cylinder 2 reaches the lowest limit, at this moment, a certain space is reserved in the air storage cavity 6, and the pressure bearing cylinder 2 can start to move upwards when sufficient compressed air is introduced into the air storage cavity 6.
The multi-level gravity block groups 3 are respectively arranged on the corresponding multi-level locking platforms 4, that is, each level of locking platform 4 is correspondingly provided with a corresponding gravity block group 3, the first level of locking platform 41 is provided with a first level gravity block group 31, the second level of locking platform 42 is provided with a second level gravity block group 32, and so on, the topmost N level of locking platform is provided with N level gravity block groups, in addition, because the limiting component 21 on the outer wall of the top of the pressure bearing cylinder 2 is supported on the first level of locking platform 41, the gravity block group 3 (namely, the first level gravity block group 31) on the first level of locking platform 41 is directly arranged on the top of the pressure bearing cylinder 2 and is directly connected with the top of the pressure bearing cylinder 2, so as to support the gravity block group 3 (namely, the first level gravity block group 31) on the first level of locking platform 41 through the pressure bearing cylinder 2, through the arrangement of the multi-level gravity block groups 3 and the corresponding multi-level locking platforms 4, support multistage gravity block group 3 in grades through multistage locking platform 4 for multistage gravity block group 3 can not concentrate on a locking platform with whole strength, can cause when not letting in compressed air in gas storage cavity 6, can only support multistage gravity block group 3 through a locking platform, when the weight of multistage gravity block group 3 that needs is great, the bearing capacity of a locking platform probably is not enough, need consolidate layer upon layer to a locking platform, improve the construction degree of difficulty.
In detail, the air storage cavity 6 is connected with an air compressor unit and an air expansion unit, surplus electric power drives the air compressor unit to do work on air through a motor, the obtained compressed air is introduced into the air storage cavity 6, the pressure bearing cylinder 2 is driven to move upwards through the compressed air pressure, the first-stage gravity block group 31 is driven to move upwards when the pressure bearing cylinder 2 moves upwards, when the first-stage gravity block group 31 moves upwards to be connected with the second-stage gravity block group 32, the pressure in the air storage cavity 6 is increased until the second-stage gravity block group 32 is jacked upwards together and moves upwards, and so on, energy storage is realized, when energy is released, the compressed air in the air storage cavity 6 is introduced into the air expansion unit to do work and is converted into electric energy, the multi-stage gravity block group 3 moves downwards, and when the first-stage gravity block group 31 to the N-1 stage gravity block group below the N stage gravity block group at the topmost end of the shaft 1 passes through the N stage locking platform until the N stage gravity block group passes through the N stage locking platform limiting support and stops moving At this time, the weight of the remaining multi-stage gravity block group is reduced, the compressed air continuously applies work outwards until the pressure of the compressed air is balanced with the weight of the remaining multi-stage gravity block, then the work outwards is applied, the weight of the remaining multi-stage gravity block group is greater than the pressure of the compressed air, the remaining multi-stage gravity block continuously moves downwards until the N-1 stage gravity block group is connected with the N-1 stage locking platform and is limited and supported by the N-1 stage locking platform, at this time, the weight of the remaining multi-stage gravity block group is reduced, the compressed air continuously applies work outwards until the pressure of the compressed air is balanced with the weight of the remaining multi-stage gravity block, then the work outwards is applied, the weight of the remaining multi-stage gravity block group is greater than the pressure of the compressed air, the remaining multi-stage gravity block continuously moves downwards, and so on until the pressure bearing cylinder 2 moves downwards until the limiting component 21 is supported on the one stage locking platform, the one-level gravity block group 31 is supported at the top of the pressure bearing cylinder 2, and multi-level support of the multi-level gravity block group 3 can be realized by locking step by step, so that each level of locking platform bears less weight, and the service life of the locking platform is prolonged.
In some embodiments, a bottom immersed tube 11 is arranged below the primary locking platform 41 on the inner wall of the shaft 1, the sealing assembly 5 is connected between the inner wall of the bottom immersed tube 11 and the outer wall of the pressure-bearing cylinder 2, and the pressure-bearing cylinder 2 is a cylindrical structure surrounded by steel plates, and because the inner wall of the bottom immersed tube 11 and the outer wall of the pressure-bearing cylinder 2 are smooth surfaces, when the sealing assembly 5 is connected, the sealing performance can be improved, and the sealing assembly 5 can be conveniently installed.
In addition, the locking platform 4 is a locking ring pre-embedded in the inner wall of the shaft 1, the limiting component 21 is a support ring arranged on the outer wall of the top end of the pressure bearing cylinder 2, the outer diameter of the support ring is larger than the inner diameter of the locking ring of the first-stage locking platform 41 and smaller than the inner diameter of the locking ring of the locking platform above the first-stage locking platform 41, that is, the pressure bearing cylinder 2 can penetrate through the locking platform above the first-stage locking platform 41 and cannot penetrate through the first-stage locking platform 41, and is supported and limited through the first-stage locking platform 41.
It should be noted that there are various ways of installing and placing the gravity block set 3 in the shaft 1.
As a possible mode, a plurality of guide rails distributed along the vertical direction are arranged on the inner wall of the shaft 1 between every two adjacent locking platforms 4, the number of the guide rails can be 4, and a one-level guide assembly matched with the guide rails is arranged on each level of gravity block group 3 so as to limit each level of gravity block group 3 through the guide rails, so that the gravity center of the gravity block group 3 cannot shift in the up-down moving process.
In addition, the outer wall of lock ring is provided with the second grade direction subassembly with guide rail complex, it is spacing that bearing cylinder 2 reciprocates the in-process through the guide rail, make bearing cylinder 2 can not squint at reciprocating in-process focus, the center of bearing cylinder 2 and every grade of gravity block group 3's focus all are on the axis of bearing cylinder 2, make bearing cylinder 2 and multistage gravity block group 3 reciprocate the in-process condition that the slope can not appear, just also can not cause to exert great effort to the guide rail because the slope, make the guide rail probably warp or damage.
Preferably, the primary and secondary guide assemblies may each be provided as needle cam guides which cooperate with the guide rails.
In some embodiments, each stage of gravity block set 3 includes a plurality of identical gravity blocks 8, each gravity block 8 may be provided with a secondary guide assembly cooperating with a guide rail, and each gravity block 8 has a diameter larger than an inner diameter of a locking ring of the supporting locking platform 4 and smaller than an inner diameter of a locking ring of the upper locking platform 4, so that the gravity blocks 8 can pass through the upper locking platform 4 to reach the supporting locking platform 4 when being installed, that is, an outer diameter of the gravity block 8 on each stage of gravity block set 3 is smaller than an inner diameter of a locking ring on the locking platform above the locking ring 4 supporting the gravity block 8, so that when the gravity block 8 can pass through the upper locking rings to reach the supporting locking ring when being installed, a limiting effect on the gravity block 8 is achieved because the inner diameter of the supporting locking ring is smaller than the outer diameter of the gravity block 8.
It should be noted that the structural arrangement of the pressure-bearing cylinder 2 can be various.
As a possible structure, the pressure-bearing cylinder 2 is internally filled with a plurality of filling gravity blocks 22, the plurality of filling gravity blocks 22 are stacked in the pressure-bearing cylinder 2 layer by layer, the pressure-bearing cylinder 2 is set to be a cylindrical structure, the weight of the pressure-bearing cylinder 2 can be reduced, the hoisting is convenient, and the plurality of filling gravity blocks 22 are filled in the pressure-bearing cylinder 2 after hoisting, so that the integral gravity of the pressure-bearing cylinder 2 can be increased by reasonably utilizing the space while ensuring the convenient hoisting, the storage capacity of compressed air is improved, because the energy storage pressure in the air storage cavity 6 is larger by about 10Mpa, the gravity blocks are generally prepared by concrete, the air leakage can be caused under the action of high-pressure air, the air tightness can be improved and prevented from leaking by arranging the pressure-bearing cylinder 2 to cover the outside of the plurality of filling gravity blocks 22, the sealing property of the air storage cavity 6 is ensured, and higher pressure can be borne, the energy density of the stored energy of the system is improved.
In some embodiments, the inner wall of the pressure-bearing cylinder 2 is provided with a plurality of positioning strips 23 along the axial direction, the side wall of each positioning strip 23 is provided with a positioning sliding groove along the axial direction, the side wall of each filling gravity block 22 is provided with a positioning sliding block matched with the positioning sliding groove, the positioning sliding blocks can move up and down along the positioning sliding grooves, and the gravity centers of the plurality of filling gravity blocks 22 can be ensured to be on the axis of the pressure-bearing cylinder 2 through the limiting action of the positioning sliding grooves, so that the gravity center of the whole pressure-bearing cylinder 2 cannot shift in the up-and-down moving process.
In addition, because the pressure-bearing cylinder 2 is of a cylindrical structure and the inside is a cavity, in order to improve the strength of the pressure-bearing cylinder 2, a plurality of support rings 24 are arranged on the inner wall of the pressure-bearing cylinder 2 along the axial direction, the plurality of support rings 24 are arranged coaxially with the pressure-bearing cylinder 2, and the positioning strips 23 are arranged on the support rings 24.
In some embodiments, the bottom of the pressure-bearing cylinder 2 is of a conical structure, so that the bottom of the pressure-bearing cylinder 2 is stressed more uniformly in a high-pressure environment and does not deform.
In addition, it should be noted that, the inner wall of the shaft 1 between two adjacent locking platforms 4 is provided with a sinking pipe 12, the guide rail is fixed on the inner wall of the sinking pipe 12, each sinking pipe 12 is connected with the bottom of the adjacent locking platform 4 above the sinking pipe 12, and can support the locking platform 4 to a certain extent, the top end of the sinking pipe 11 at the bottom is connected with the bottom of the locking platform 41 to support the locking platform 41 to a certain extent, in addition, the outer wall of the top end of the sinking pipe 11 at the bottom extends outwards and vertically to form a clamping ring 111, the inner wall of the shaft 1 is provided with a clamping table 13, and the clamping ring 111 is clamped on the clamping table 13.
It should be noted that the structure of the sealing assembly 5 may be various.
As a possible structure, the sealing component 5 is a sealing membrane, the sealing component 5 is a barrel structure, the sealing component 5 comprises a plurality of supporting ribs 51, the supporting ribs 51 surround the periphery of the barrel structure, two adjacent supporting ribs 51 are connected through an elastic sealing membrane 52 to form the barrel structure through the supporting ribs 51 and the elastic sealing membrane 52, the top end of the sealing membrane is bent inwards to form an inner ring and an outer ring, the top ends of the inner ring and the outer ring are connected, the bottom end of the inner ring is connected to the outer wall of the pressure bearing barrel 2 in a sealing mode, the bottom end of the outer ring is connected to the inner wall of the shaft 1, the longitudinal tensile strength of the sealing membrane can be improved through the supporting ribs 51, and when the air storage chamber 4 is inflated at constant pressure, the elastic area of the elastic sealing membrane 52 of the sealing membrane bulges towards the low-pressure side and is attached to the wall surface of the shaft 1 and the pressure bearing barrel 2 to provide reverse supporting force and reduce the circumferential tensile force of the sealing membrane, in addition, when pressure-bearing cylinder 2 moved to the co-altitude, the different seal membrane that leads to of the position of buckling of seal membrane produced self extrusion deformation, can reduce the life of seal membrane, need improve the performance of seal membrane material, and then can increase cost, the setting through seal membrane between two adjacent brace rods 51 can provide the inside deformation allowance of seal membrane, the seal membrane internal stress that reduces deformation production improves seal membrane life, reduces seal membrane material cost.
Further, the outer diameter of the outer ring is the same as the inner diameter of the shaft 1, so that the support ribs 51 and the elastic sealing membrane 52 of the outer ring are connected with the inner wall of the shaft 1, the support ribs 51 of the inner ring are connected with the outer wall of the pressure-bearing cylinder 2, when the air storage chamber 4 is inflated, the elastic sealing membrane 52 bulges towards the low pressure side under the action of pressure, and further the elastic sealing membrane 52 can be connected with the outer wall of the pressure-bearing cylinder 2. Simultaneously, when the seal membrane is bent and is formed inner ring and outer loop, the inner ring week side after the book is turned over forms the fold, extrudes each other between the fold, can produce self extrusion deformation, produces internal stress, influences the life of seal membrane, through setting up brace rod 51, through the fixed of brace rod 51 for elasticity seal membrane 52 fold is protruding back, and the interval through brace rod 51 can not produce extrusion and internal stress between two adjacent fold archs, thereby reduces seal membrane material cost.
It should be noted that, in the description of the present application, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In addition, in the description of the present application, "a plurality" means two or more unless otherwise specified.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and the scope of the preferred embodiments of the present application includes other implementations in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present application.
In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means 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 application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.
Claims (8)
1. The utility model provides a gravity compressed air energy memory that layer-stepping gravity piece was arranged underground, its characterized in that includes:
the device comprises a vertical shaft, wherein a multi-stage locking platform is arranged on the inner wall of the vertical shaft from bottom to top along the axial direction;
the pressure bearing cylinder is movably inserted in the vertical shaft, a limiting component is arranged on the outer wall of the top end of the pressure bearing cylinder, so that the pressure bearing cylinder is supported on a primary locking platform at the bottommost part of the vertical shaft through the limiting component during lowest limiting, and the outer wall of the pressure bearing cylinder is in sealing connection with the inner wall of the vertical shaft through a sealing component;
the gravity block groups are arranged on the corresponding multiple stages of locking platforms respectively, and the gravity block group positioned on the primary locking platform is arranged at the top of the pressure bearing cylinder so as to support the gravity block group on the primary locking platform through the pressure bearing cylinder;
the locking platform is a locking ring pre-embedded in the inner wall of the vertical shaft; the limiting assembly is a support ring arranged on the outer wall of the top end of the pressure-bearing cylinder, the outer diameter of the support ring is larger than the inner diameter of a locking ring of the primary locking platform, and the outer diameter of the support ring is smaller than the inner diameter of the locking ring of the locking platform above the primary locking platform;
each stage of the gravity block set comprises a plurality of identical gravity blocks, and the diameter of each gravity block is larger than the inner diameter of the locking ring of the corresponding locking platform and smaller than the inner diameter of the locking ring of the upper locking platform, so that each stage of the gravity block set can pass through the locking ring of the upper locking platform to reach the locking ring of the corresponding locking platform when being installed;
and the multi-stage support of the multi-stage gravity block group realizes the stage-by-stage locking of each stage of gravity block group.
2. The gravity compressed air energy storage device arranged underground with the layered gravity block as claimed in claim 1, wherein the inner wall of the shaft below the primary locking platform is provided with a bottom immersed tube, and the sealing assembly is connected between the inner wall of the bottom immersed tube and the outer wall of the pressure-bearing cylinder.
3. The gravity compressed air energy storage device arranged underground of the layered gravity block as claimed in claim 1, wherein a guide rail is arranged on the inner wall of the shaft between every two adjacent locking platforms, and a primary guide assembly matched with the guide rail is arranged on the gravity block group so as to limit the gravity block group through the guide rail.
4. A gravity compressed air energy storage device arranged underground with a layered gravity block according to claim 3, wherein the outer wall of the support ring is provided with a secondary guide assembly cooperating with the guide rail.
5. The gravity compressed air energy storage device with the layered gravity blocks arranged underground according to claim 1, wherein the pressure bearing cylinder is filled with a plurality of filled gravity blocks.
6. The layered gravity block underground gravity compressed air energy storage device according to claim 5, wherein the pressure bearing cylinder is provided with a plurality of positioning strips along the axial direction on the inner wall, positioning sliding grooves along the axial direction are arranged on the side walls of the positioning strips, and positioning sliding blocks matched with the positioning sliding grooves are arranged on the side walls of the gravity filling blocks.
7. The gravity compressed air energy storage device arranged underground by the layered gravity block as claimed in claim 1, wherein a plurality of support rings are arranged on the inner wall of the pressure-bearing cylinder along the axial direction, and the plurality of support rings and the pressure-bearing cylinder are coaxially arranged.
8. The gravity compressed air energy storage device arranged underground of the layered gravity block as claimed in claim 1, wherein the bottom of the pressure bearing cylinder is of a conical structure.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210642211.XA CN114718687B (en) | 2022-06-08 | 2022-06-08 | Gravity compressed air energy storage device arranged underground layered gravity block |
| PCT/CN2023/098968 WO2023237019A1 (en) | 2022-06-08 | 2023-06-07 | Gravity compressed air energy storage device having layered gravity blocks arranged underground |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210642211.XA CN114718687B (en) | 2022-06-08 | 2022-06-08 | Gravity compressed air energy storage device arranged underground layered gravity block |
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| CN114718687A CN114718687A (en) | 2022-07-08 |
| CN114718687B true CN114718687B (en) | 2022-08-26 |
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| CN202210642211.XA Active CN114718687B (en) | 2022-06-08 | 2022-06-08 | Gravity compressed air energy storage device arranged underground layered gravity block |
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| WO (1) | WO2023237019A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11815071B1 (en) * | 2022-06-08 | 2023-11-14 | Xi'an Thermal Power Research Institute Co., Ltd | Gravity compressed air energy storage system |
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| CN114718687B (en) * | 2022-06-08 | 2022-08-26 | 西安热工研究院有限公司 | Gravity compressed air energy storage device arranged underground layered gravity block |
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| CN114033636A (en) * | 2021-11-10 | 2022-02-11 | 西安西热锅炉环保工程有限公司 | Suspended gravity energy storage system and method |
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| US11815071B1 (en) * | 2022-06-08 | 2023-11-14 | Xi'an Thermal Power Research Institute Co., Ltd | Gravity compressed air energy storage system |
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