Double-layer hydrogen storage tank with energy storage structure

Abstract

The utility model provides a double-layer hydrogen storage tank with an energy storage structure, which belongs to the field of hydrogen storage and comprises a base, a groove is formed in the middle of the top of the base, a tank body is clamped on the inner wall of the groove, extending parts are fixedly connected to the edges of the two sides of the top of the base, and anti-explosion components are arranged at the tops of the two extending parts. According to the anti-explosion tank, the inner wall of the anti-explosion shell is clamped with the surface of the tank body, two rubber filler strips at the bottoms of two strip-shaped plates are clamped with the inner walls of two clamping grooves in the tops of two extending parts, and a plurality of connecting screw rods are inserted into a plurality of corresponding first mounting holes, second mounting holes and connecting holes; then the two strip-shaped plates and the extending parts are tightened through cooperation of a plurality of fastening nuts, when explosion occurs, the explosion-proof shell can protect the tank body conveniently, meanwhile, auxiliary rings and buffer springs on the surfaces of a plurality of connecting screw rods are matched with the two extending parts to buffer pressure generated by explosion conveniently, and the whole structure is relatively stable; and damage to the external environment is avoided.

Description

Technical Field

[0001] This utility model relates to the field of hydrogen storage, specifically a double-layered hydrogen storage tank with an energy storage structure. Background Technology

[0002] With the development and popularization of hydrogen energy technology, more and more hydrogen production projects are being built and promoted. The hydrogen produced by these plants needs to be stored and then retrieved when needed. A search of application CN202420285990.7 reveals a double-layered hydrogen storage tank with an energy storage structure, comprising: an inner hydrogen storage chamber and an outer protective body; the cavity between the inner and outer protective bodies is filled with nitrogen for isolation and protection; the inner hydrogen storage chamber is equipped with a purging and replacement port. This design creates a double-layered hydrogen storage tank, with the outer layer being non-... Made of stainless steel with a rubber inner layer, the hydrogen storage tank has a nitrogen-filled space between the inner and outer layers, serving as an energy storage layer. The inner space is used for hydrogen storage. The entire tank is equipped with a hydrogen leak detection device and a safety release device, which can effectively improve the hydrogen utilization rate and safety of the storage tank. However, the above description has the following drawbacks in actual use: the double-layered hydrogen storage tank lacks an explosion-proof structure, posing certain safety hazards during use. Furthermore, its structure is difficult to install. Therefore, a more practical double-layered hydrogen storage tank with an energy storage structure needs to be designed. Utility Model Content

[0003] The purpose of this invention is to provide a double-layered hydrogen storage tank with an energy storage structure to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a double-layer hydrogen storage tank with an energy storage structure, including a base, a groove is provided in the middle of the top of the base, the tank body is engaged with the inner wall of the groove, and extensions are fixedly connected to the edges on both sides of the top of the base, and explosion-proof components are provided on the top of the two extensions.

[0005] The explosion-proof assembly includes two strip plates installed on the top of two extensions. The opposite sides of the two strip plates are fixedly connected to the two sides of the explosion-proof housing. The inner wall of the explosion-proof housing is engaged with the surface of the tank. The top surfaces of the two strip plates are provided with a plurality of first mounting holes. The inner walls of the plurality of first mounting holes are provided with connecting screws. The top ends of the plurality of connecting screws are provided with fastening nuts. The surfaces of the plurality of connecting screws are interlocked with the plurality of connecting holes provided on the surfaces of the two extensions. The bottom surfaces of the plurality of connecting screws are fitted with auxiliary rings and buffer springs. The two sides of the explosion-proof housing are provided with through slots. The inner walls of the two through slots are provided with disassembly components.

[0006] The disassembly assembly includes connecting plates that engage with the inner walls of the two through slots. The surfaces of the two connecting plates are respectively provided with a first through hole and two second through holes. Sealing frame strips are fixedly connected to the sides of the two connecting plates. The surfaces of the two sealing frame strips engage with the sealing slots provided at the edges of the inner walls of the two through slots.

[0007] As a preferred embodiment of this utility model: a snap-fit ​​groove is provided on the top side of each of the two extensions, and the inner wall of the two snap-fit ​​grooves is engaged with a rubber pad provided on the bottom of each of the two strip plates.

[0008] As a preferred embodiment of this utility model: a plurality of connecting holes are respectively opened on the inner wall of the two snap-fit ​​grooves, and a plurality of second mounting holes are opened on the surface of the two rubber pads, and the inner wall of the plurality of second mounting holes is interlocked with the surface of the plurality of connecting screws.

[0009] As a preferred embodiment of the present invention: the tank body is composed of an inner shell and an outer shell, and a chamber is provided in the area between the inner shell and the outer shell. A hydrogen inlet pipe and a nitrogen inlet pipe are respectively provided on one side of the inner shell and the outer shell, and a leak detector is provided on the other side of the tank body. The surfaces of the hydrogen inlet pipe and the nitrogen inlet pipe are connected to two second through holes, and the pipe surface of the leak detector is connected to a first through hole.

[0010] As a preferred embodiment of this utility model: arc-shaped grooves are provided on both sides of the inner wall of the groove, and the inner walls of the two arc-shaped grooves are engaged with the arc-shaped protrusions on both sides of the bottom of the explosion-proof shell.

[0011] As a preferred embodiment of this utility model, arc-shaped pads are provided in the gaps between the two arc-shaped grooves and the bottom edges of the explosion-proof housing.

[0012] As a preferred embodiment of this utility model, anti-slip seats are provided at the four corners of the bottom of the base.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] (1) By engaging the inner wall of the explosion-proof shell with the surface of the tank, engaging the two rubber pads at the bottom of the two strip plates with the inner walls of the two snap-fit ​​grooves at the top of the two extensions, and inserting several connecting screws into the corresponding first mounting holes, second mounting holes and connecting holes, and then tightening the two strip plates and extensions with several fastening nuts, the explosion-proof shell can easily protect the tank when an explosion occurs. At the same time, the auxiliary rings and buffer springs on the surface of several connecting screws, together with the two extensions, can easily buffer the pressure generated by the explosion, thereby making the overall structure relatively stable and avoiding damage to the external environment.

[0015] (2) By engaging the arc-shaped protrusions on both sides of the bottom of the explosion-proof housing with the inner walls of the two arc-shaped grooves, the leak detector is inserted and connected to the inner wall of the first through hole, the hydrogen inlet pipe and the nitrogen inlet pipe are inserted and connected to the inner walls of the two second through holes, and then the two connecting plates are engaged with the inner walls of the two through grooves. At the same time, the surfaces of the two sealing frame strips are engaged with the inner walls of the two sealing grooves. This completes the protection of the interface while installing and disassembling the explosion-proof part of the structure, thereby improving the practicality of the device. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of this utility model;

[0017] Figure 2 This is a partial structural schematic diagram of the present invention;

[0018] Figure 3 This is a schematic diagram of the explosion-proof component structure of this utility model;

[0019] Figure 4 This is a schematic diagram of the disassembly component structure of this utility model.

[0020] In the diagram: 1. Base; 11. Groove; 12. Tank body; 13. Extension; 14. Connecting hole; 15. Snap-fit ​​groove; 16. Hydrogen inlet pipe; 17. Nitrogen inlet pipe; 18. Leak detector; 19. Arc groove; 110. Arc pad; 111. Anti-slip seat; 2. Explosion-proof assembly; 21. Strip plate; 22. Explosion-proof housing; 23. First mounting hole; 24. Connecting screw; 25. Fastening nut; 26. Auxiliary ring; 27. Buffer spring; 28. Through groove; 29. ​​Sealing groove; 210. Rubber pad; 211. Second mounting hole; 3. Disassembly assembly; 31. Connecting plate; 32. First through hole; 33. Second through hole; 34. Sealing frame strip. Detailed Implementation

[0021] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0022] Please see Figures 1-4 A double-layer hydrogen storage tank with an energy storage structure includes a base 1, a groove 11 is provided in the middle of the top of the base 1, a tank body 12 is fitted into the inner wall of the groove 11, and extensions 13 are fixedly connected to the edges of the top of the base 1 on both sides. Explosion-proof components 2 are provided on the top of the two extensions 13.

[0023] Please see Figure 3 The explosion-proof component 2 includes two strip plates 21 installed on the top of two extensions 13. The opposite sides of the two strip plates 21 are fixedly connected to the two sides of the explosion-proof housing 22. The inner wall of the explosion-proof housing 22 is engaged with the surface of the tank body 12. The top surfaces of the two strip plates 21 are provided with a number of first mounting holes 23. The inner walls of the number of first mounting holes 23 are provided with connecting screws 24. The top ends of the number of connecting screws 24 are provided with fastening nuts 25. The surfaces of the number of connecting screws 24 are interlocked with the number of connecting holes 14 opened on the surfaces of the two extensions 13. The bottom surfaces of the number of connecting screws 24 are fitted with auxiliary rings 26 and buffer springs 27. The two sides of the explosion-proof housing 22 are provided with through grooves 28. The inner walls of the two through grooves 28 are provided with disassembly components 3.

[0024] In practical use: the inner wall of the explosion-proof housing 22 is engaged with the surface of the tank 12, the two rubber pads 210 at the bottom of the two strip plates 21 are engaged with the inner walls of the two snap-fit ​​grooves 15 at the top of the two extensions 13, and several connecting screws 24 are inserted into the corresponding first mounting holes 23, second mounting holes 211 and connecting holes 14. Then, several fastening nuts 25 are used to tighten the two strip plates 21 and the extensions 13. When an explosion occurs, the explosion-proof housing 22 can easily protect the tank 12. At the same time, the auxiliary rings 26 and buffer springs 27 on the surface of the several connecting screws 24, together with the two extensions 13, can easily buffer the pressure generated by the explosion, so that the overall structure is relatively stable and avoids damage to the external environment.

[0025] Please see Figure 4 The disassembly assembly 3 includes a connecting plate 31 that engages with the inner walls of the two through slots 28. The surfaces of the two connecting plates 31 are respectively provided with a first through hole 32 and two second through holes 33. Sealing frame strips 34 are fixedly connected to the sides of the two connecting plates 31. The surfaces of the two sealing frame strips 34 engage with the sealing grooves 29 provided at the edges of the inner walls of the two through slots 28.

[0026] In practical use: the arc-shaped protrusions on both sides of the bottom of the explosion-proof housing 22 are engaged with the inner walls of the two arc-shaped grooves 19; the leak detector 18 is inserted and connected to the inner wall of the first through hole 32; the hydrogen inlet pipe 16 and the nitrogen inlet pipe 17 are inserted and connected to the inner walls of the two second through holes 33; then the two connecting plates 31 are engaged with the inner walls of the two through grooves 28; at the same time, the surfaces of the two sealing frame strips 34 are engaged with the inner walls of the two sealing grooves 29. This completes the protection of the interface while installing and disassembling the explosion-proof structure, improving the practicality of the device.

[0027] Please see Figure 2Both extensions 13 have snap-fit ​​grooves 15 on their top sides, and the inner walls of the two snap-fit ​​grooves 15 are engaged with the rubber pads 210 provided at the bottom of the two strip plates 21.

[0028] In practical use: the two rubber pads 210 engage with the inner walls of the two snap-fit ​​grooves 15, thereby facilitating the protection between the two strip plates 21 and the extension 13.

[0029] Please see Figure 3 Several connecting holes 14 are respectively opened on the inner wall of the two snap-fit ​​grooves 15, and several second mounting holes 211 are opened on the surface of the two rubber pads 210. The inner wall of the several second mounting holes 211 is interlocked with the surface of several connecting screws 24.

[0030] In practical use: the surfaces of several connecting screws 24 are interlocked with the inner walls of several second mounting holes 211, thereby facilitating the installation and fixing of the explosion-proof structure of the device.

[0031] Please see Figure 2 The tank 12 is composed of an inner shell and an outer shell. A chamber is provided in the area between the inner shell and the outer shell. A hydrogen inlet pipe 16 and a nitrogen inlet pipe 17 are respectively provided on one side of the inner shell and the outer shell. A leak detector 18 is provided on the other side of the tank 12. The surfaces of the hydrogen inlet pipe 16 and the nitrogen inlet pipe 17 are connected to two second through holes 33. The pipe surface of the leak detector 18 is connected to the first through hole 32.

[0032] In practical use: the arc-shaped protrusions on both sides of the bottom of the explosion-proof housing 22 are engaged with the inner walls of the two arc-shaped grooves 19; the leak detector 18 is inserted and connected to the inner wall of the first through hole 32; the hydrogen inlet pipe 16 and the nitrogen inlet pipe 17 are inserted and connected to the inner walls of the two second through holes 33; then the two connecting plates 31 are engaged with the inner walls of the two through grooves 28; at the same time, the surfaces of the two sealing frame strips 34 are engaged with the inner walls of the two sealing grooves 29, thus completing the protection of the interface while installing and disassembling the explosion-proof part of the structure.

[0033] Please see Figure 2 The inner walls of the groove 11 are provided with arc-shaped grooves 19 on both sides of the inner wall. The inner walls of the two arc-shaped grooves 19 are engaged with the arc-shaped protrusions on both sides of the bottom of the explosion-proof shell 22.

[0034] Please see Figure 2 Arc-shaped pads 110 are provided in the gaps between the two arc-shaped grooves 19 and the bottom two sides of the explosion-proof housing 22.

[0035] In practical use: the arc-shaped protrusions on both sides of the bottom of the explosion-proof housing 22 engage with the inner walls of the two arc-shaped pads 110 and the two arc-shaped grooves 19, thereby increasing the sealing and cushioning of the connection.

[0036] Please see Figure 2 Anti-slip seats 111 are provided at the four corners of the bottom of the base 1.

[0037] In practical use: the anti-slip seats 111 at the four corners of the bottom of the base 1 can prevent the device from moving after installation and ensure stability during use.

[0038] In use, the inner wall of the explosion-proof housing 22 is engaged with the surface of the tank 12. The two rubber pads 210 at the bottom of the two strip plates 21 are engaged with the inner walls of the two snap-fit ​​grooves 15 at the top of the two extensions 13. Several connecting screws 24 are inserted into the corresponding first mounting holes 23, second mounting holes 211, and connecting holes 14. Then, several fastening nuts 25 are used to tighten the two strip plates 21 and the extensions 13. In the event of an explosion, the explosion-proof housing 22 effectively protects the tank 12. Simultaneously, the auxiliary rings 26 and buffer springs 27 on the surface of the connecting screws 24, in conjunction with the two extensions 13, facilitate… To buffer the pressure generated by the explosion, thereby stabilizing the overall structure and preventing damage to the external environment; the arc-shaped protrusions on both sides of the bottom of the explosion-proof housing 22 are engaged with the inner walls of the two arc-shaped grooves 19, the leak detector 18 is inserted and connected to the inner wall of the first through hole 32, the hydrogen inlet pipe 16 and the nitrogen inlet pipe 17 are inserted and connected to the inner walls of the two second through holes 33, and then the two connecting plates 31 are engaged with the inner walls of the two through grooves 28, while the surfaces of the two sealing frame strips 34 are engaged with the inner walls of the two sealing grooves 29, thus completing the protection of the interface while installing and disassembling the explosion-proof part of the structure.

[0039] The contents not described in detail in this description are existing technologies known to those skilled in the art. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A double-walled hydrogen storage tank with an energy storage structure, characterized in that, Includes a base (1), a groove (11) is provided in the middle of the top of the base (1), a tank (12) is fitted into the inner wall of the groove (11), and extensions (13) are fixedly connected to the edges of the top of the base (1), and explosion-proof components (2) are provided on the top of the two extensions (13). The explosion-proof assembly (2) includes two strip plates (21) installed on the top of two extensions (13). The opposite side of the two strip plates (21) is fixedly connected to the two sides of the explosion-proof housing (22). The inner wall of the explosion-proof housing (22) is engaged with the surface of the tank (12). The top surface of the two strip plates (21) is provided with a plurality of first mounting holes (23). The inner wall of the plurality of first mounting holes (23) is provided with connecting screws (24). The top end of the plurality of connecting screws (24) is provided with fastening nuts (25). The surface of the plurality of connecting screws (24) is interlocked with a plurality of connecting holes (14) opened on the surface of the two extensions (13). The bottom surface of the plurality of connecting screws (24) is fitted with auxiliary rings (26) and buffer springs (27). The two sides of the explosion-proof housing (22) are provided with through grooves (28). The inner wall of the two through grooves (28) is provided with disassembly components (3). The disassembly assembly (3) includes connecting plates (31) that engage with the inner walls of the two through slots (28). The surfaces of the two connecting plates (31) are respectively provided with a first through hole (32) and two second through holes (33). Sealing frame strips (34) are fixedly connected to the sides of the two connecting plates (31). The surfaces of the two sealing frame strips (34) engage with the sealing grooves (29) provided at the edges of the inner walls of the two through slots (28).

2. The double-layered hydrogen storage tank with an energy storage structure according to claim 1, characterized in that: Both of the extensions (13) have snap-fit ​​grooves (15) on their top sides, and the inner walls of the two snap-fit ​​grooves (15) are engaged with the rubber pads (210) provided at the bottom of the two strip plates (21).

3. A double-layered hydrogen storage tank with an energy storage structure according to claim 2, characterized in that: Several connecting holes (14) are respectively opened on the inner wall of the two snap-fit ​​grooves (15), and several second mounting holes (211) are opened on the surface of the two rubber pads (210). The inner wall of the several second mounting holes (211) is interlocked with the surface of several connecting screws (24).

4. A double-layered hydrogen storage tank with an energy storage structure according to claim 1, characterized in that: The tank (12) is composed of an inner shell and an outer shell. A chamber is provided in the area between the inner shell and the outer shell. A hydrogen inlet pipe (16) and a nitrogen inlet pipe (17) are respectively provided on one side of the inner shell and the outer shell. A leak detector (18) is provided on the other side of the tank (12). The surfaces of the hydrogen inlet pipe (16) and the nitrogen inlet pipe (17) are connected to two second through holes (33). The pipe surface of the leak detector (18) is connected to the first through hole (32).

5. A double-layered hydrogen storage tank with an energy storage structure according to claim 1, characterized in that: The inner walls of the groove (11) are provided with arc-shaped grooves (19) on both sides, and the inner walls of the two arc-shaped grooves (19) are engaged with the arc-shaped protrusions on both sides of the bottom of the explosion-proof shell (22).

6. A double-layered hydrogen storage tank with an energy storage structure according to claim 5, characterized in that: Arc-shaped pads (110) are provided in the gaps between the two arc-shaped grooves (19) and the bottom two sides of the explosion-proof housing (22).

7. A double-layered hydrogen storage tank with an energy storage structure according to claim 1, characterized in that: Anti-slip seats (111) are provided at the four corners of the bottom of the base (1).

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