Hydrogen buffer tank with pressure relief function
By introducing brackets, shock absorbing pads, protection devices and pressure relief devices into the hydrogen buffer tank, the problem of excessive pressure and collision damage during storage and transportation of the hydrogen buffer tank is solved, and convenient pressure relief and collision protection are achieved.
Patent Information
- Application Number
- CN202421079115.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-17
- Publication Date
- 2024-12-31
- Estimated Expiration
- 2034-05-17
AI Technical Summary
Existing hydrogen buffer tanks are prone to excessive pressure and collision damage during storage and transportation, making it difficult to effectively relieve pressure and prevent collision damage.
A hydrogen buffer tank including a buffer tank, a protection device and a pressure relief device is designed. The pressure relief and collision protection of the buffer tank is realized through a bracket, shock absorbing pad, protection device and a pressure relief device, and the pressure relief device is used to realize the pressure relief and collision protection of the buffer tank, and the pressure detection device is used in real time. Monitor pressure, pressure relief tube and seals to achieve pressure relief operation, springs and protective pads provide shock absorption and protection.
It realizes convenient pressure relief and collision protection of the buffer tank body, avoiding damage caused by excessive pressure and collision during transportation.
Smart Images

Figure CN222278236U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field related to hydrogen buffer tanks, in particular to a hydrogen buffer tank with a pressure relief function. Background Art
[0002] A hydrogen buffer tank is a device used to store and transport hydrogen. Since hydrogen is prone to explosion and other accidents during storage and transportation, hydrogen needs to be buffered. A hydrogen buffer tank can withstand hydrogen pressure and alleviate the safety risks caused by hydrogen leakage.
[0003] A Chinese utility model patent with reference to the authorization announcement number CN217875278U discloses a hydrogen buffer tank, which relates to the technical field related to hydrogen buffer tanks, including a buffer tank body, a rubber airbag is installed on the inner side of the buffer tank body, a pipe groove is opened on the outer wall of the buffer tank body, an air pipe is fixedly connected to the outer wall of the rubber airbag, the air pipe is arranged in the pipe groove on the outer wall of the buffer tank body, and the outer end of the air pipe is also equipped with a sleeve cover, and a ring plate is fixedly installed on the side end of the buffer tank body; the hydrogen buffer tank, through the arrangement of the rubber airbag on the inner side of the buffer tank body, can use the air pipe to input hydrogen into the inner cavity of the rubber airbag, and use the rubber airbag to replace the inner wall of the buffer tank body to contact with the gas, so as to reduce the friction between the gas and the inner wall of the tank body, and the arrangement of the elastic cotton sleeve filled between the rubber airbag and the buffer tank body is also convenient for further shock absorption, which solves the problem that the airbag arranged on the outer side of the existing device has limited effect on gas-filled shock absorption;
[0004] However, in the prior art, there is a problem that the pressure inside the buffer tank is too high, which makes it difficult to relieve the pressure of the buffer tank, and the tank may be bumped during transportation, which makes it difficult to prevent the buffer tank from being damaged by collision.
[0005] To this end, we propose a hydrogen buffer tank with a pressure relief function to solve the above problems. Utility Model Content
[0006] The purpose of the utility model is to provide a hydrogen buffer tank with a pressure relief function to solve the problems in the prior art proposed in the above-mentioned background technology that the pressure inside the buffer tank body is too high, it is not convenient to relieve the pressure of the buffer tank body, and the tank body may be bumped during transportation, which makes it difficult to prevent the buffer tank body from being damaged by collision.
[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a hydrogen buffer tank with a pressure relief function, comprising a buffer tank body, a protective device and a pressure relief device, the bottom four corners of the buffer tank body are fixedly connected with brackets, and the middle of the bottom end of the bracket is fixedly connected with a shock-absorbing pad, the middle of the front and rear sides of the buffer tank body are installed with protective devices, and the left end of the buffer tank body is fixedly connected with an air pipe, the left end of the air pipe is fixedly connected with a fixing plate, and the outer end of the fixing plate is provided with a plurality of mounting holes at equal angles, and the left side of the fixing plate is snap-connected with a top cover;
[0008] The upper and lower ends of the right side of the top cover are fixedly connected with snap blocks, and the middle part of the right side of the top cover is fixedly connected with a first sealing ring, the middle part of the front left end of the buffer tank body is fixedly connected with a pressure detector, and the middle part of the rear left end of the buffer tank body is fixedly connected with a pressure relief device.
[0009] Preferably, the protective device is composed of a splint, a protective pad, a spring, a baffle and a pillar. The inner side of the splint is fixedly connected to the protective pad, and the outer side of the splint is fixedly connected to a plurality of springs at equal angles, and the outer side of the spring is fixedly connected to the baffle, and the bottom end of the baffle is fixedly connected to the pillar.
[0010] Preferably, the inner side of the protective pad is fixedly connected to the outer side of the buffer tank body.
[0011] Preferably, the outer side surface of the first sealing ring fits against the inner side surface of the left end of the trachea.
[0012] Preferably, the pressure relief device is composed of a pressure relief pipe, a switch valve, a sealing cover and a second sealing ring. The inner right end of the pressure relief pipe is fixedly connected to the switch valve, and the inner left end of the pressure relief pipe is threadedly connected to the sealing cover, and the right side of the sealing cover is fixedly connected to the second sealing ring.
[0013] Preferably, the outer side surface of the second sealing ring fits with the inner side surface of the pressure relief pipe.
[0014] Compared with the prior art, the utility model has the following beneficial effects: the hydrogen buffer tank with pressure relief function is convenient for relieving pressure on the buffer tank body, and is convenient for preventing the buffer tank body from being damaged by collision;
[0015] 1. A pressure detector is fixedly connected to the middle of the left end of the front side of the buffer tank body. The pressure detector can check the pressure inside the buffer tank body in real time. The left end of the pressure relief pipe is sealed by a sealing cover and a second sealing ring. Remove the sealing cover and release the pressure by controlling the switch valve, which is convenient for releasing the pressure of the buffer tank body;
[0016] 2. A shock-absorbing pad is fixedly connected to the middle of the bottom end of the bracket to reduce the shock of the buffer tank body. The front and rear sides of the buffer tank body are fixedly connected with protective devices. The protective device is buffered by a spring. The protective pad protects the outside of the buffer tank body to prevent the buffer tank body from being damaged by collision. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 This is a schematic diagram of the front view structure of the utility model;
[0018] Figure 2 This is a side view of the structure of the utility model;
[0019] Figure 3 This is a schematic diagram of the cross-sectional structure of the utility model from top view;
[0020] Figure 4 This is a schematic diagram of the exploded perspective structure of the fixing plate and the top cover of the utility model.
[0021] In the figure: 1. buffer tank body; 2. bracket; 3. shock-absorbing pad; 4. protective device; 401. splint; 402. protective pad; 403. spring; 404. baffle; 405. pillar; 5. air pipe; 6. fixing plate; 7. mounting hole; 8. top cover; 9. snap-fit block; 10. first sealing ring; 11. pressure detector; 12. pressure relief device; 1201. pressure relief pipe; 1202. switch valve; 1203. sealing cover; 1204. second sealing ring. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0023] See also Figure 1-4 The utility model provides a technical solution: a hydrogen buffer tank with a pressure relief function, including a buffer tank body 1, a bracket 2, a shock-absorbing pad 3, a protective device 4, a splint 401, a protective pad 402, a spring 403, a baffle 404, a pillar 405, an air pipe 5, a fixing plate 6, a mounting hole 7, a top cover 8, a snap-fit block 9, a first sealing ring 10, a pressure detector 11, a pressure relief device 12, a pressure relief pipe 1201, a switch valve 1202, a sealing cover 1203 and a second sealing ring 1204.
[0024] The four corners of the bottom end of the buffer tank body 1 are fixedly connected with brackets 2, and the middle of the bottom end of the bracket 2 is fixedly connected with a shock-absorbing pad 3. The hydrogen buffer tank will vibrate during transportation, and the shock-absorbing pad 3 can reduce the vibration. The middle of the front and rear sides of the buffer tank body 1 are fixedly connected with a protective device 4, which is composed of a splint 401, a protective pad 402, a spring 403, a baffle 404 and a pillar 405. The inner side of the splint 401 is fixedly connected with a protective pad 402, and the inner side of the protective pad 402 is fixedly connected with the protective pad 402. The side is fixedly connected to the outer side of the buffer tank body 1, the protective pad 402 can protect the outer side of the buffer tank body 1, and a plurality of springs 403 are fixedly connected at equal angles to the outer side of the clamping plate 401. The spring 403 can offset the pressure generated by the collision of the buffer tank body 1. The outer side of the spring 403 is fixedly connected to a baffle 404, and the bottom end of the baffle 404 is fixedly connected to a support 405. The hydrogen buffer tank will inevitably collide during transportation. In order to prevent damage to the buffer tank body 1, a protective device 4 is provided;
[0025] The left side of the buffer tank body 1 is fixedly connected with an air pipe 5, and the recent unloading gas is discharged from the air pipe 5. The left side of the air pipe 5 is fixedly connected with a fixing plate 6, and the outer end of the fixing plate 6 is provided with mounting holes 7 at equal angles. The left side of the fixing plate 6 is snap-connected with a top cover 8, and the outer end of the top cover 8 is provided with mounting holes 7 at equal angles. The mounting holes 7 on the fixing plate 6 are communicated with the mounting holes 7 at the outer end of the top cover 8. The fixing plate 6 and the top cover 8 are fixedly connected by a firm bolt. The upper and lower ends of the right side of the top cover 8 are fixedly connected with snap-fit blocks 9, and the upper and lower ends of the left side of the fixing plate 6 are fixedly connected with snap-fit grooves. The snap-fit block 9 is snap-connected in the snap-fit groove on the left side of the fixing plate 6. The top cover 8 is mounted on the fixing plate 6. A first sealing ring 10 is fixedly connected to the middle part of the right side of the top cover 8. The outer side surface of the first sealing ring 10 is tightly fitted with the inner side surface of the left end of the air pipe 5 to prevent hydrogen from leaking from the connection between the fixing plate 6 and the top cover 8.
[0026] A pressure detector 11 is fixedly connected to the front side of the left end of the buffer tank body 1. The pressure detector 11 can display the pressure condition inside the buffer tank body 1 and can monitor the pressure condition inside the buffer tank body 1 in real time. A pressure relief device 12 is fixedly connected to the rear side of the left end of the buffer tank body 1. The pressure relief device 12 is composed of a pressure relief pipe 1201, a switch valve 1202, a sealing cover 1203 and a second sealing ring 1204. The right end of the pressure relief pipe 1201 is fixedly connected to the buffer tank body 1, the switch valve 1202 is fixedly connected to the right end of the pressure relief pipe 1201, and the sealing cover 1203 is threadedly connected to the left end of the pressure relief pipe 1201. A second sealing ring 1204 is fixedly connected to the right side of the sealing cover 1203, and the outer side surface of the second sealing ring 1204 is tightly fitted with the inner side surface of the pressure relief pipe 1201 to prevent hydrogen from leaking from the connection between the pressure relief pipe 1201 and the sealing cover 1203. The sealing cover 1203 is removed from the pressure relief pipe 1201, and the switch valve 1202 is controlled to release the pressure. Professional staff are required to operate the pressure relief, and the pressure relief environment also needs to be careful to avoid causing harm. The above completes a series of operations of the hydrogen buffer tank with pressure relief function. The contents not described in detail in this description belong to the prior art known to professional and technical personnel in this field.
[0027] The standard parts used in the utility model can all be purchased from the market, and special-shaped parts can be customized according to the instructions and the drawings. The specific connection methods of each part adopt the conventional means such as mature bolts, rivets, welding, etc. in the existing technology. The machinery, parts and equipment all adopt the conventional models in the existing technology, and the circuit connection adopts the conventional connection method in the existing technology, which will not be described in detail here.
[0028] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.
Claims
1. A hydrogen buffer tank with a pressure relief function, comprising a buffer tank body (1), a protection device (4) and a pressure relief device (12), characterized in that: The four corners of the bottom of the buffer tank body (1) are fixedly connected to brackets (2), and the middle of the bottom end of the bracket (2) is fixedly connected to a shock-absorbing pad (3), the middle of the front and rear sides of the buffer tank body (1) are installed with a protective device (4), and the left end of the buffer tank body (1) is fixedly connected to an air pipe (5), the left end of the air pipe (5) is fixedly connected to a fixing plate (6), and the outer end of the fixing plate (6) is provided with a plurality of mounting holes (7) at equal angles, and the left side of the fixing plate (6) is snap-fitted with a top cover (8); The upper and lower ends of the right side of the top cover (8) are fixedly connected to a snap-fit block (9), and the middle part of the right side of the top cover (8) is fixedly connected to a first sealing ring (10), the middle part of the front left end of the buffer tank body (1) is fixedly connected to a pressure detector (11), and the middle part of the rear left end of the buffer tank body (1) is fixedly connected to a pressure relief device (12).
2. The hydrogen buffer tank with pressure relief function according to claim 1, characterized in that: The protection device (4) is composed of a clamp (401), a protective pad (402), a spring (403), a baffle (404) and a support (405); the inner side of the clamp (401) is fixedly connected to the protective pad (402); the outer side of the clamp (401) is fixedly connected to a plurality of springs (403) at equal angles; the outer side of the spring (403) is fixedly connected to the baffle (404); and the bottom end of the baffle (404) is fixedly connected to the support (405).
3. The hydrogen buffer tank with pressure relief function according to claim 2, characterized in that: The inner side of the protective pad (402) is fixedly connected to the outer side of the buffer tank body (1).
4. The hydrogen buffer tank with pressure relief function according to claim 1, characterized in that: The outer side surface of the first sealing ring (10) fits the inner side surface of the left end of the air pipe (5).
5. The hydrogen buffer tank with pressure relief function according to claim 1, characterized in that: The pressure relief device (12) is composed of a pressure relief pipe (1201), a switch valve (1202), a sealing cover (1203) and a second sealing ring (1204), wherein the right end of the pressure relief pipe (1201) is fixedly connected to the switch valve (1202), and the left end of the pressure relief pipe (1201) is internally threadedly connected to the sealing cover (1203), and the right side of the sealing cover (1203) is fixedly connected to the second sealing ring (1204).
6. The hydrogen buffer tank with pressure relief function according to claim 5, characterized in that: The outer side surface of the second sealing ring (1204) fits into the inner side surface of the pressure relief pipe (1201).