Hydrogen storage and transportation tank

Abstract

The utility model discloses a hydrogen storage and transportation tank which comprises a tank body, the tank body is installed on external equipment, a buffer mechanism is arranged on the tank body, the buffer mechanism comprises a buffer tank, a bearing mechanism, a one-way pipe, a communicating pipe, a middle pipe, a hexagonal section, a threaded sleeve and an adjusting mechanism, the buffer tank is installed on the tank body, the bearing mechanism is installed on the buffer tank, and the one-way pipe is communicated with the connecting pipe. Pressure buffering of hydrogen in the storage and transportation process is achieved, the buffer tank can accommodate discharge of the hydrogen when the pressure is too large, the one-way pipe and the communicating pipe are designed so that the hydrogen can flow into the buffer tank from the tank body, and therefore the influence of the too large pressure of the hydrogen on the tank body is avoided; and through cooperation of the middle pipe, the hexagonal section and the threaded sleeve, an operator can adjust the compression amount of the spring by rotating the middle pipe, so that the elastic force is changed, and the safety of hydrogen transportation is further guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of hydrogen storage and transportation tanks, and more specifically, to a hydrogen storage and transportation tank. Background Art

[0002] Hydrogen, as a clean energy source, is widely used in various industrial and energy fields. However, the storage and transportation of hydrogen has always been a challenge. Hydrogen is an extremely flammable gas at room temperature and pressure, requiring high-pressure storage and transportation to ensure its safety. Existing hydrogen storage and transportation tanks have several problems in their design and use, which affect their safety.

[0003] First, existing hydrogen storage and transportation tanks need to withstand high pressure when storing and transporting hydrogen. Due to its low density, hydrogen needs to be compressed under high pressure to reduce its volume for easier storage and transportation. However, high-pressure storage and transportation of hydrogen places higher demands on the materials and structures of the storage and transportation tanks, requiring them to possess sufficient strength and sealing properties. Existing storage and transportation tanks may experience fatigue and leakage problems under long-term high-pressure conditions. These problems may cause hydrogen leaks, increasing safety risks during use.

[0004] Secondly, existing hydrogen storage and transportation tanks lack effective buffering mechanisms. During storage and transportation, the pressure inside the hydrogen tank may fluctuate due to factors such as temperature fluctuations, hydrogen consumption, or refilling. Existing storage and transportation tanks often lack effective pressure regulation and buffering mechanisms, and are unable to respond to pressure changes in a timely manner. This can cause the internal pressure of the hydrogen tank to be too high or too low, increasing the risk of hydrogen leakage and explosion. Furthermore, the lack of an effective buffering mechanism can cause vibration and impact in the hydrogen tank during transportation, further increasing safety risks. Utility Model Content

[0005] In response to the problems existing in the prior art, the present invention provides the following technical solutions: a hydrogen storage and transportation tank, comprising a tank body, which is installed on external equipment; a buffer mechanism is provided on the tank body, the buffer mechanism comprises a buffer tank, a receiving mechanism, a one-way pipe, a connecting pipe, an intermediate pipe, a hexagonal section, a threaded sleeve and an adjustment mechanism; the buffer tank is installed on the tank body, the receiving mechanism is installed on the buffer tank, the one-way pipe is connected to the tank body, one end of the connecting pipe is connected to the one-way pipe, the other end of the connecting pipe is connected to the buffer tank, the intermediate pipe is rotatably connected to the one-way pipe, the hexagonal section is installed on the intermediate pipe, the threaded sleeve is threadedly connected in the one-way pipe, a hexagonal groove is provided on the threaded sleeve, the hexagonal section is slidably connected in the hexagonal groove, and the adjustment mechanism is installed on the one-way pipe.

[0006] The utility model is further configured such that the adjustment mechanism includes a spring and a sealing disk, one end of the spring is connected to the sealing disk, the sealing disk is slidably connected to the one-way tube, and the spring abuts against the sealing sleeve. This design enables the sealing disk to slide when the hydrogen pressure is too high, thereby releasing the pressure and protecting the tank body from overpressure.

[0007] The utility model is further configured such that a fitting disk is provided on the intermediate tube, and the sealing disk abuts against the fitting disk. This design allows the sealing disk to separate from the fitting disk when the hydrogen pressure reaches a certain value, further releasing the pressure and ensuring the safety of the tank body.

[0008] The utility model is further configured such that a sliding sleeve is provided for sliding inside the one-way tube, and an intermediate ring is fixed inside the one-way tube, a push spring is provided on the intermediate ring, and the push spring is connected to the sliding sleeve. This design enables the sliding sleeve to move when the hydrogen pressure exceeds the thrust of the push spring, thereby achieving the first level of sealing protection.

[0009] The utility model is further configured such that a telescopic sleeve is threadedly provided on the intermediate tube, a resistance sleeve is provided on the telescopic sleeve, and the resistance sleeve is fitted on the sliding sleeve. This design enables the telescopic sleeve to adjust the pressure of the push spring, thereby adjusting the movement threshold of the sliding sleeve to achieve a second level of sealing protection.

[0010] The utility model is further configured such that a rotating rod is provided for rotation in the intermediate tube, a follower head is provided on the rotating rod, a plurality of synchronization rods are provided on the follower sleeve, and the synchronization rods are slidably connected to the telescopic sleeve. This design enables the rotation of the rotating rod to drive the synchronization rod to move, thereby adjusting the position of the telescopic sleeve and then adjusting the pressure of the push spring.

[0011] The utility model is further configured such that a rotating disk is provided on the intermediate tube and an adjusting slot is provided on the rotating rod. This design enables the rotating disk to adjust the position of the rotating rod through the adjusting slot, thereby achieving precise control of the double sealing pressure of the receiving mechanism.

[0012] The utility model is further configured such that the receiving mechanism includes a feed pipe, a discharge pipe and a pressure gauge. The feed pipe and the discharge pipe are respectively connected to the tank body and external equipment, and the pressure gauge is connected to the tank body. This design enables the operator to conveniently manage the inflow and outflow of hydrogen through the feed pipe and the discharge pipe, and monitor the pressure in the tank body in real time through the pressure gauge to ensure the safety of hydrogen storage and transportation.

[0013] Beneficial effects:

[0014] Compared with the prior art, the present invention provides a hydrogen storage and transportation tank with the following beneficial effects:

[0015] 1. The buffer mechanism, through the design of a buffer tank, a receiving mechanism, a one-way pipe, a connecting pipe, an intermediate pipe, a hexagonal section, a threaded sleeve, and an adjustment mechanism, realizes the pressure buffering of hydrogen during storage and transportation. The buffer tank can accommodate the discharge of hydrogen when the pressure is too high. The design of the one-way pipe and the connecting pipe enables hydrogen to flow from the tank body into the buffer tank, thus avoiding the impact of excessive hydrogen pressure on the tank body. The cooperation of the intermediate pipe, the hexagonal section, and the threaded sleeve allows the operator to adjust the compression amount of the spring by rotating the intermediate pipe, thereby changing the elastic force and further ensuring the safety of hydrogen transportation.

[0016] 2. The adjustment mechanism, through the design of a spring, a sealing disc, a sliding sleeve, a push spring, a telescopic sleeve, a rotating rod, a follower head, a synchronous rod, and a rotating disc, realizes the dual-sealing adjustment of hydrogen pressure. The spring and the sealing disc are arranged such that when the hydrogen pressure is too high, the seal between the sealing disc and the fitting disc can be released, thus avoiding the impact of excessive hydrogen pressure on the tank body. The cooperation of the push spring and the telescopic sleeve allows the operator to adjust the pressure of the push spring by rotating the rotating rod, thereby further ensuring the safety of hydrogen transportation.

[0017] 3. The receiving mechanism, through the design of a feed pipe, a discharge pipe, and a pressure gauge, realizes the inlet and outlet of hydrogen and the monitoring of pressure. The feed pipe and the discharge pipe are arranged such that hydrogen can conveniently enter and exit the tank body. The connection of the pressure gauge allows the operator to monitor the pressure inside the tank in real time, thereby adjusting the storage and transportation of hydrogen in a timely manner. This design simplifies the storage and transportation process of hydrogen and improves the safety and efficiency of operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a schematic diagram of the overall structure of the hydrogen storage and transportation tank in the present utility model;

[0019] Figure 2 is a schematic cross-sectional structure diagram of the one-way pipe in the present utility model;

[0020] Figure 3 is a schematic cross-sectional structure diagram of the intermediate pipe in the present utility model;

[0021] Figure 4 is a schematic structure diagram of the threaded sleeve in the present utility model;

[0022] Figure 5 is a schematic structure diagram of the rotating rod in the present utility model.

[0023] In the figure: 1, tank body; 2, buffer tank; 3, one-way pipe; 4, connecting pipe; 5, intermediate pipe; 6, hexagonal section; 7, threaded sleeve; 8, hexagonal groove; 9, spring; 10, sealing disc; 11, fitting disc; 12, sliding sleeve; 13, intermediate ring; 14, push spring; 15, telescopic sleeve; 16, abutting sleeve; 17, rotating rod; 18, follower head; 19, synchronizing rod; 20, rotating disc; 21, adjusting groove; 22, feed pipe; 23, discharge pipe; 24, pressure gauge. Specific embodiments

[0024] It should be noted that, without conflict, the embodiments in this application and the features in the embodiments can be combined with each other. The following will describe the present invention in detail with reference to the drawings and in conjunction with the embodiments.

[0025] It should be pointed out that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by those of ordinary skill in the technical field to which this application belongs.

[0026] In the present invention, unless otherwise stated, the orientations such as "upper, lower" are usually in the directions shown in the drawings, or in the vertical, perpendicular or gravitational directions; similarly, for ease of understanding and description, "left, right" are usually the left and right shown in the drawings; "inside, outside" refer to the inside and outside relative to the contours of the respective components, but the above orientation terms are not used to limit the present invention.

[0027] Please refer to Figures 1-5, a hydrogen storage and transportation tank comprises a tank body 1, which is installed on external equipment. A buffer mechanism is provided on the tank body 1, which comprises a buffer tank 2, a receiving mechanism, a one-way pipe 3, a connecting pipe 4, an intermediate pipe 5, a hexagonal section 6, a threaded sleeve 7 and an adjusting mechanism. The buffer tank 2 is installed on the tank body 1, and the receiving mechanism is installed on the buffer tank 2. The one-way pipe 3 is connected to the tank body 1, one end of the connecting pipe 4 is connected to the one-way pipe 3, and the other end of the connecting pipe 4 is connected to the buffer tank 2. The intermediate pipe 5 is rotatably connected to the one-way pipe 3, the hexagonal section 6 is installed on the intermediate pipe 5, the threaded sleeve 7 is threadedly connected in the one-way pipe 3, a hexagonal groove 8 is provided on the threaded sleeve 7, the hexagonal section 6 is slidably connected in the hexagonal groove 8, and the adjusting mechanism is installed on the one-way pipe 3. The adjusting mechanism comprises a spring 9 and a sealing disk 10. One end of the spring 9 is connected to the sealing disk 10, and the sealing disk 10 is slidably connected to the one-way pipe 3. The spring 9 resists The one-way tube 3 is provided with a sliding sleeve 12, and the one-way tube 3 is fixed with an intermediate ring 13. The intermediate ring 13 is provided with a push spring 14. The push spring 14 is connected to the sliding sleeve 12. A telescopic sleeve 15 is threaded on the intermediate tube 5. The telescopic sleeve 15 is provided with a contact sleeve 16. The contact sleeve 16 is fitted on the sliding sleeve 12. A rotating rod 17 is provided for rotation in the intermediate tube 5. A follower head 18 is provided on the rotating rod 17. A plurality of synchronous rods 19 are provided on the follower sleeve. The synchronous rod 19 is slidably connected to the telescopic sleeve 15. A rotating disk 20 is provided on the intermediate tube 5. An adjusting slot 21 is provided on the rotating rod 17. The receiving mechanism includes a feed pipe 22, a discharge pipe 23 and a pressure gauge 24. The feed pipe 22 and the discharge pipe 23 are respectively connected to the tank body 1 and external equipment, and the pressure gauge 24 is connected to the tank body 1.

[0028] In this embodiment, when hydrogen needs to be stored, hydrogen is first introduced through the feed pipe 22. Then, when the pressure is too high during transportation, when the pressure is greater than the thrust of the push spring 14, the sliding sleeve 12 releases the seal with the resistance sleeve 16, and then the hydrogen enters between the sealing disk 10 and the sliding sleeve 12. Then, when the pressure of the hydrogen is greater than the elastic force of the spring 9, the seal between the sealing disk 10 and the fitting disk 11 is released, and then the hydrogen is discharged into the buffer tank 2 through the connecting pipe 4, thereby completing the buffer protection process.

[0029] More specifically, when it is necessary to adjust the elastic force of the spring 9, you can drive the rotation of the hexagonal section 6 by rotating the middle tube 5. Since the hexagonal section 6 is slidably connected in the hexagonal groove 8, the rotation of the threaded sleeve 7 will be driven. Since the threaded sleeve 7 is threadedly connected to the one-way tube 3, the compression amount of the spring 9 will be changed, thereby changing the elastic force. When it is necessary to change the pressure of the push spring 14, first fix the middle tube 5 and then drive the rotation of the rotating rod 17. Then, the rotation of the telescopic sleeve 15 will be driven through the synchronizing rod 19. Since the telescopic sleeve 15 is threadedly connected to the middle tube 5, the pressure of the push spring 14 can be adjusted, thereby ensuring the pressure adjustment of the double seal and ensuring the safety of hydrogen transportation.

[0030] In summary, when the overall device is in use or operation: when it is necessary to store hydrogen, first introduce hydrogen through the feed pipe 22. Then, when the pressure is too high during transportation, first, when the pressure is greater than the thrust of the push spring 14, the seal between the sliding sleeve 12 and the abutting sleeve 16 is released. Then, hydrogen enters between the sealing disc 10 and the sliding sleeve 12. Then, when the pressure of hydrogen is greater than the elastic force of the spring 9, the seal between the sealing disc 10 and the fitting disc 11 is released. Then, the hydrogen is discharged into the buffer tank 2 through the connecting pipe 4, thus completing the process of buffer protection. When it is necessary to adjust the elastic force of the spring 9, you can drive the rotation of the hexagonal section 6 by rotating the middle tube 5. Since the hexagonal section 6 is slidably connected in the hexagonal groove 8, the rotation of the threaded sleeve 7 will be driven. Since the threaded sleeve 7 is threadedly connected to the one-way tube 3, the compression amount of the spring 9 will be changed, thereby changing the elastic force. When it is necessary to change the pressure of the push spring 14, first fix the middle tube 5 and then drive the rotation of the rotating rod 17. Then, the rotation of the telescopic sleeve 15 will be driven through the synchronizing rod 19. Since the telescopic sleeve 15 is threadedly connected to the middle tube 5, the pressure of the push spring 14 can be adjusted, thereby ensuring the pressure adjustment of the double seal and ensuring the safety of hydrogen transportation.

[0031] In all the solutions mentioned above, for the connection between two components, welding, the cooperation of bolts and nuts, bolt or screw connection, or other well-known connection methods can be selected according to the actual situation, which will not be elaborated here one by one. For those mentioned above that involve fixed connection, welding is preferably considered. Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirits of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. Hydrogen storage and transportation tank, including a tank body (1), characterized in that, The tank body (1) is mounted on an external device. A buffer mechanism is provided on the tank body (1). The buffer mechanism comprises a buffer tank (2), a receiving mechanism, a one-way pipe (3), a connecting pipe (4), an intermediate pipe (5), a hexagonal section (6), a threaded sleeve (7) and an adjustment mechanism. The buffer tank (2) is mounted on the tank body (1), the receiving mechanism is mounted on the buffer tank (2), the one-way pipe (3) is connected to the tank body (1), one end of the connecting pipe (4) is connected to the one-way pipe (3), and the other end of the connecting pipe (4) is connected to the buffer tank (2). The intermediate pipe (5) is rotatably connected to the one-way pipe (3), the hexagonal section (6) is mounted on the intermediate pipe (5), the threaded sleeve (7) is threadedly connected to the one-way pipe (3), a hexagonal groove (8) is provided on the threaded sleeve (7), the hexagonal section (6) is slidably connected to the hexagonal groove (8), and the adjustment mechanism is mounted on the one-way pipe (3).

2. The hydrogen storage and transportation tank according to claim 1, wherein: The regulating mechanism comprises a spring (9) and a sealing disk (10). One end of the spring (9) is connected to the sealing disk (10). The sealing disk (10) is slidably connected to the one-way tube (3). The spring (9) contacts the sealing sleeve.

3. The hydrogen storage and transportation tank according to claim 2, characterized in that: The intermediate tube (5) is provided with a fitting disk (11), and the sealing disk (10) abuts against the fitting disk (11).

4. The hydrogen storage and transportation tank according to claim 3, wherein: A sliding sleeve (12) is slidably provided in the one-way tube (3), and an intermediate ring (13) is fixedly provided in the one-way tube (3). A push spring (14) is provided on the intermediate ring (13), and the push spring (14) is connected to the sliding sleeve (12).

5. The hydrogen storage and transportation tank according to claim 4, characterized in that: A telescopic sleeve (15) is threadedly provided on the intermediate tube (5), a resisting sleeve (16) is provided on the telescopic sleeve (15), and the resisting sleeve (16) is fitted on the sliding sleeve (12).

6. The hydrogen storage and transportation tank according to claim 5, characterized in that: A rotating rod (17) is rotatably provided in the intermediate tube (5), a follower head (18) is provided on the rotating rod (17), a plurality of synchronous rods (19) are provided on the follower sleeve, and the synchronous rods (19) are slidably connected to the telescopic sleeve (15).

7. The hydrogen storage and transportation tank according to claim 6, characterized in that: The intermediate tube (5) is provided with a rotating disk (20), and the rotating rod (17) is provided with an adjusting slot (21).

8. The hydrogen storage and transportation tank according to claim 1, characterized in that: The receiving mechanism comprises a feed pipe (22), a discharge pipe (23) and a pressure gauge (24); the feed pipe (22) and the discharge pipe (23) are respectively connected to the tank body (1) and external equipment; and the pressure gauge (24) is connected to the tank body (1).

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