CN217784839U - A sealed gas storage device of gravity type for energy storage - Google Patents
A sealed gas storage device of gravity type for energy storage Download PDFInfo
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- CN217784839U CN217784839U CN202221608404.5U CN202221608404U CN217784839U CN 217784839 U CN217784839 U CN 217784839U CN 202221608404 U CN202221608404 U CN 202221608404U CN 217784839 U CN217784839 U CN 217784839U
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- gravity
- plunger
- inner ring
- gas storage
- gravity plunger
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- 230000005484 gravity Effects 0.000 title claims abstract description 86
- 238000004146 energy storage Methods 0.000 title abstract description 9
- 239000012528 membrane Substances 0.000 claims abstract description 62
- 238000007789 sealing Methods 0.000 claims abstract description 40
- 230000002093 peripheral effect Effects 0.000 claims abstract description 5
- 238000010030 laminating Methods 0.000 claims description 5
- 230000007306 turnover Effects 0.000 claims description 2
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000037303 wrinkles Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model provides a gravity type sealing gas storage device for energy storage, which comprises a vertical shaft, a gravity plunger and a sealing film, wherein the vertical shaft is in a cylindrical tubular structure; the gravity plunger is movably inserted into the vertical shaft, a plurality of smooth grooves which are vertically distributed are formed in the peripheral side of the outer wall surface of the gravity plunger, the sealing membrane is of an annular cylindrical structure which is sleeved outside the gravity plunger, the outer diameter of the sealing membrane is equal to the inner diameter of the vertical shaft, the sealing membrane is connected with the outer ring and the inner ring in an annular saddle surface structure after being folded inwards from the middle to form the outer ring and the inner ring, fold protrusions are formed in the peripheral side of the inner ring obtained after the folding, the bottom end of the outer ring is connected with the inner wall of the vertical shaft in a sealing mode, the bottom end of the inner ring is connected with the outer wall of the gravity plunger in a sealing mode, the fold protrusions are attached to the smooth grooves, support is provided for the sealing membrane by the vertical shaft and the rigid wall surface of the gravity plunger, annular tension caused by pressure is offset, the use safety of the sealing membrane is improved, the reliability and the service life are prolonged.
Description
Technical Field
The utility model relates to a gravity compressed air energy storage technical field especially relates to a sealed gas storage device of gravity type for energy storage.
Background
In gravity compressed air energy storage in-process, the gas storage storehouse that needs to seal stores air, connect the seal membrane between gravity plunger and shaft usually, form the gas storage chamber after sealing through the seal membrane, the seal membrane sets up the annularity usually, can form the structure that inner ring and outer loop are connected through turning over the seal membrane inwards, when being fixed for using the shaft, the external diameter of seal membrane equals the shaft internal diameter, the outer loop can firmly combine with the shaft this moment, and because the gravity plunger external diameter is less, must form the fold arch when the inner ring is close to the gravity plunger, the fold arch does not meet with the gravity plunger, the phenomenon of gas leakage appears easily in fold arch department, and the inner ring meets the locus of combination with the gravity plunger and reduces, cause the joint strength between seal membrane and the gravity plunger to reduce, can reduce the life of seal membrane under the gas storage chamber high pressure effect.
SUMMERY OF THE UTILITY MODEL
The present invention aims at solving at least one of the technical problems in the related art to a certain extent.
For this reason, the utility model aims to provide a sealed gas storage device of gravity type for energy storage, through arrange a plurality of level and smooth recesses that are vertical distribution in the outside week of gravity plunger, and make tubular structure with the seal membrane, form the annular saddle face through rolling over, the laminating of inner ring fold bulge that will form the annular saddle face is fixed in level and smooth recess, make the seal membrane can enough with the shaft inner wall abundant contact fixation, again can be with the abundant contact fixation of gravity plunger outer wall, provide the support for the seal membrane by shaft and gravity plunger rigidity wall, offset the hoop tension that arouses because of pressure, the seal membrane safety in utilization has been improved, reliability and life-span.
In order to achieve the above object, the utility model provides a gravity type seals gas storage device for energy storage, include:
the vertical shaft is of a cylindrical tubular structure;
the gravity plunger is movably inserted in the vertical shaft, a gap is reserved between the gravity plunger and the vertical shaft, and a plurality of smooth grooves which are vertically distributed are arranged on the periphery of the outer wall surface of the gravity plunger.
The seal membrane, the seal membrane is established for the cover the outside annular tubular structure of gravity plunger, the external diameter of seal membrane equals the internal diameter of shaft, the seal membrane from the centre with upper portion after to the enstrophe form the annular saddle face structure that outer loop and inner ring connect to form, turn over the back and obtain the inner ring week side forms the fold arch, the bottom of outer loop with shaft inner wall sealing connection, the bottom of inner ring with the outer wall sealing connection of gravity plunger, the fold arch with level and smooth groove laminating, so that the gravity plunger the seal membrane with lie in the shaft the space of seal membrane below forms inclosed gas storage chamber.
Further, the plurality of smooth grooves are equiangularly disposed on an outer peripheral side of the gravity plunger.
Further, the smooth groove penetrates through the upper end and the lower end of the gravity plunger.
Furthermore, the annular cylindrical structure of the sealing membrane is a cylindrical surface structure with the upper diameter and the lower diameter being equal.
Further, the circumferential perimeter of the gravity plunger at the smooth groove is equal to the circumferential perimeter of the outer wall of the sealing membrane, so that the corrugated protrusion can fit with the smooth groove.
Further, the bottom end of the inner ring is fixed to the lower portion of the outer wall of the gravity plunger.
Additional aspects and advantages of the invention 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 invention.
Drawings
The above 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 partial sectional view of a gravity type sealed gas storage device for storing energy according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a gravity plunger according to another embodiment of the present invention;
fig. 3 is a plan view of a sealing film according to another embodiment of the present invention.
In the figure: 1. a shaft; 2. a gravity plunger; 3. smoothing the groove; 4. a sealing film; 41. an outer ring; 42. an inner ring; 5. a gas storage cavity.
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 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 invention, and should not be construed as limiting the present invention. On the contrary, the embodiments of the invention 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 type sealed gas storage device for storing energy according to an embodiment of the present invention.
Referring to fig. 1-3, a gravity type sealed gas storage device for energy storage comprises a vertical shaft 1, wherein the vertical shaft 1 is of a cylindrical tubular structure, a gravity plunger 2 is movably inserted into the vertical shaft 1, a gap is reserved between the gravity plunger 2 and the vertical shaft 1, a plurality of smooth grooves 3 which are vertically distributed are arranged on the periphery of the outer wall surface of the gravity plunger 2, and the vertical direction is consistent with the axial direction of the gravity plunger 2.
The outside cover of gravity plunger 2 is equipped with seal membrane 4, seal membrane 4 is annular tubular structure, the internal diameter of shaft 1 equals the external diameter of seal membrane 4, seal membrane 4 is from the centre to the internal folding back of upper portion forms the annular saddle face structure of outer loop 41 and inner ring 42 connection constitution, the inner ring 42 week that obtains after folding forms the fold arch, outer loop 41 top and inner ring 42 top are connected, the bottom and the 1 inner wall sealing connection of shaft of outer loop 41, the bottom of inner ring 42 and the outer wall sealing connection of gravity plunger 2, the fold arch is laminated with smooth groove 3, so that gravity plunger 2, the space that lies in seal membrane 4 below in seal membrane 4 and the shaft 1 forms inclosed gas storage chamber 5. Through the above setting, allow seal membrane 4 to cave in smooth groove 3, thereby increase the length that 2 rings of gravity plunger are connected to outer wall and seal membrane 4, make seal membrane 4 fix the length increase in 2 week sides of gravity plunger, outer loop 41 and inner ring 42 that reciprocate in-process seal membrane 4 at gravity plunger 2 remain all the time with shaft 1 inner wall, the good laminating of 2 outer walls of gravity plunger, the direct laminating point of gravity plunger 2 and seal membrane 4 has been promoted, seal membrane 4 and gravity plunger 2's support stability has been promoted, and because the external diameter of seal membrane 4 is the same with shaft 1's internal diameter, and then make seal membrane 4's outer loop 41 can laminate on shaft 1 inner wall completely, make and combine closely between seal membrane 4's outer loop 41 and the shaft 1, utilize the rigidity wall to provide rigid support for seal membrane 4, seal membrane 4 safety in utilization has been improved, reliability and life-span.
In detail, because the inner ring 42 formed after the sealing membrane 4 is folded is located inside the outer ring 41, the sealing membrane 4 is a cylindrical structure, the folded inner ring 42 is in order to adapt to the size of the circumferential space, wrinkle protrusions can appear, because the outer diameter of the gravity plunger 2 is smaller than the inner diameter of the sealing membrane 4, when the bottom end of the inner ring 42 needs to be fixed on the gravity plunger 2, the inner ring 42 needs to be close to the gravity plunger 2, because the outer diameter of the gravity plunger 2 is smaller, the protrusions of the wrinkles of the inner ring 42 need to be larger, the wrinkle protrusions are not connected with the side wall of the gravity plunger 2, the wrinkle protrusions do not have support, the contact area between the gravity plunger 2 and the sealing membrane 4 in the circumferential direction needs to be reduced, by arranging a plurality of smooth grooves 3 which are vertically distributed on the circumferential side of the gravity plunger 2, the wrinkle protrusions can be arranged at the smooth grooves 3, further, the wrinkle protrusions can be ensured to be attached to the gravity plunger 2, the area where the sealing membrane 4 and the gravity plunger 2 are combined is increased, the sealing membrane is supported by the smooth grooves 3 in the wrinkle protrusions in the circumferential direction in the gravity plunger 2, the supporting stability of the sealing membrane 4 can be improved, the supporting stability of the sealing membrane by offsetting the solid wall surface of the plunger 2, the circumferential direction of the tensile force of the sealing membrane 4, the sealing membrane can be fixed under the use life of the sealing membrane, and the sealing membrane can be fixed under the safety of the wrinkles can be improved.
In some embodiments, the plurality of smooth grooves 3 are disposed at equal angles on the outer circumference of the gravity plunger 2, so that the folded inner ring 42 can adjust the equal angle of the corrugation protrusions when being fixed, and the corrugation protrusions on the inner ring 42 are uniformly distributed and uniformly fixed on the gravity plunger 2.
In addition, smooth grooves 3 may be formed through both upper and lower ends of the gravity plunger 2.
In some embodiments, the annular cylindrical structure of the sealing membrane 4 is a cylindrical structure with an equal diameter at the upper part and the lower part, so that the processing is easier.
In addition, it should be noted that, the circumferential circumference of the gravity plunger 2 at the smooth groove 3 is equal to the circumferential circumference of the outer wall of the sealing film 4, so that the corrugated protrusion can be attached to the smooth groove 3, that is, after the smooth groove 3 is disposed on the circumferential side of the gravity plunger 2, by controlling the depth and the number of the smooth grooves 3, the circumferential circumference of the gravity plunger 2 at the smooth groove 3 is increased (to the extent that the smooth grooves 3 penetrate through the upper and lower ends of the gravity plunger 2, the circumferential circumference of the gravity plunger 2 at the smooth groove 3 is also equal to the circumferential circumference of the end face of the gravity plunger 2, and the circumferential circumference of the outer wall of the sealing film 4 is also equal to the circumferential circumference of the outer wall of the sealing film 4, the circumferential portion of the inner ring 42 including the corrugated protrusion can be just attached to the groove bottom of the circumferential side of the gravity plunger 2 including the smooth groove 3, so that the inner ring 42 is completely attached to the gravity plunger 2, the corrugated protrusion is attached to the sealing film of the smooth groove 3, so that the gravity plunger 2 can fully support the sealing film 4, thereby improving the safety and the service life.
In some embodiments, the bottom end of the inner ring 42 is fixed to the lower portion of the outer wall of the gravity plunger 2.
It should be noted that, in the description of the present invention, 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 invention, "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 invention 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 embodiments of the present invention.
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, 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 invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (6)
1. A gravity type sealed gas storage device for storing energy, comprising:
the vertical shaft is of a cylindrical tubular structure;
the gravity plunger is movably inserted into the vertical shaft, a gap is formed between the gravity plunger and the vertical shaft, and a plurality of smooth grooves which are vertically distributed are formed in the peripheral side of the outer wall surface of the gravity plunger;
the seal membrane, the seal membrane is established for the cover the outside annular tubular structure of gravity plunger, the external diameter of seal membrane equals the internal diameter of shaft, the seal membrane from the centre with upper portion after to the enstrophe form the annular saddle face structure that outer loop and inner ring connect to form, turn over the back and obtain the inner ring week side forms the fold arch, the bottom of outer loop with shaft inner wall sealing connection, the bottom of inner ring with the outer wall sealing connection of gravity plunger, the fold arch with level and smooth groove laminating, so that the gravity plunger the seal membrane with lie in the shaft the space of seal membrane below forms inclosed gas storage chamber.
2. The gravity-type sealed gas storage device for storing energy of claim 1, wherein a plurality of said smooth grooves are equiangularly disposed on the outer peripheral side of said gravity plunger.
3. The gravity-type sealed gas storage device for storing energy of claim 1, wherein the smooth grooves extend through the upper and lower ends of the gravity plunger.
4. The gravity type sealed gas storage device for storing energy of claim 1, wherein the annular cylinder structure of the sealing membrane is a cylindrical structure with the same diameter from top to bottom.
5. The gravity-type sealed gas storage device for storing energy of claim 4 wherein the circumferential perimeter of the gravity plunger at the smooth groove is equal to the circumferential perimeter of the outer wall of the sealing membrane, so that the corrugated protrusion can fit into the smooth groove.
6. The gravity-type sealed gas storage device for storing energy of claim 4, wherein the bottom end of the inner ring is fixed at the lower part of the outer wall of the gravity plunger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221608404.5U CN217784839U (en) | 2022-06-23 | 2022-06-23 | A sealed gas storage device of gravity type for energy storage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221608404.5U CN217784839U (en) | 2022-06-23 | 2022-06-23 | A sealed gas storage device of gravity type for energy storage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217784839U true CN217784839U (en) | 2022-11-11 |
Family
ID=83937421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221608404.5U Active CN217784839U (en) | 2022-06-23 | 2022-06-23 | A sealed gas storage device of gravity type for energy storage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217784839U (en) |
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2022
- 2022-06-23 CN CN202221608404.5U patent/CN217784839U/en active Active
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