CN221375397U - Protection device for hydrogen compressor of hydrogen adding station - Google Patents
Protection device for hydrogen compressor of hydrogen adding station Download PDFInfo
- Publication number
- CN221375397U CN221375397U CN202420210262.XU CN202420210262U CN221375397U CN 221375397 U CN221375397 U CN 221375397U CN 202420210262 U CN202420210262 U CN 202420210262U CN 221375397 U CN221375397 U CN 221375397U
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- Prior art keywords
- hydrogen
- protection device
- compressor
- buffer tank
- input
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- 239000001257 hydrogen Substances 0.000 title claims abstract description 135
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 135
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 134
- 239000007789 gas Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 150000002431 hydrogen Chemical class 0.000 abstract 1
- 238000005984 hydrogenation reaction Methods 0.000 description 5
- 238000007599 discharging Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Compressor (AREA)
Abstract
The utility model discloses a protection device for a hydrogen compressor of a hydrogen adding station, which is arranged on a hydrogen input pipeline of the hydrogen adding station for inputting hydrogen into the hydrogen compressor, wherein the input end of the protection device is connected with the hydrogen input pipeline, and the output end of the protection device is connected with the air inlet end of the hydrogen compressor and comprises a buffer tank; one side of the buffer tank is provided with an input end, the other side is provided with an output end, and the top is provided with a safety valve. According to the utility model, the buffer tank is arranged on the hydrogen input pipeline of the hydrogen compressor for inputting hydrogen, so that the impact force of the hydrogen to the hydrogen compressor is relieved, the phenomenon that the hydrogen compressor is damaged by pressure change and even negative pressure generated by the air suction pipeline of the hydrogen compressor due to faults is avoided, and the hydrogen compressor is protected.
Description
Technical Field
The utility model relates to the technical field of hydrogen compressors of hydrogen filling stations, in particular to a protection device for a hydrogen compressor of a hydrogen filling station.
Background
The existing hydrogenation station mainly comprises a gas discharging column, a compressor, a hydrogen storage bottle group, a sequence control cabinet, a hydrogenation machine, a water chilling unit and the like.
The hydrogen source for entering the station is mainly to supply hydrogen through a hydrogen long tube trailer and a hydrogen tube bundle container, or to prepare hydrogen from a hydrogen production system in the vicinity of a hydrogen production plant or station and then to be conveyed into the station through a hydrogen pipeline.
However, in either way, as shown in fig. 1, the pressure of the hydrogen pipe before entering the hydrogen compressor is usually 25MPa, the pressure of the hydrogen pipe after entering the hydrogen compressor is increased to 45MPa, and only one hydrogen is usually controlled by a ball valve or a check valve between the gas discharging cabinet and the hydrogen compressor.
The most core equipment in the whole hydrogenation station is a hydrogen compressor, a high-pressure hydrogen storage tank and a hydrogen filling machine.
The performance and durability of the hydrogen compressor as the device for realizing hydrogen pressurization directly determine the scale and the later maintenance cost of the hydrogen adding station, and the hydrogen compressor is the most critical core monomer device, and the cost is about 35% of the construction cost of the hydrogen adding station.
However, since there is only one ball valve or check valve for hydrogen between the gas discharging cabinet and the hydrogen compressor in the prior art, safe and stable operation of the compressor cannot be ensured.
Therefore, how to prevent the air suction pipe of the hydrogen compressor from generating pressure change or even negative pressure damage to the hydrogen compressor due to faults is a technical problem to be solved by those skilled in the art.
Disclosure of utility model
In view of the above-mentioned drawbacks of the prior art, the present utility model provides a protection device for hydrogen compressor of hydrogen station, which aims to prevent the pressure change of the air suction pipe of the hydrogen compressor and even the negative pressure damage to the hydrogen compressor caused by the failure.
In order to achieve the above purpose, the utility model discloses a protection device for a hydrogen compressor of a hydrogen adding station, which is arranged on a hydrogen adding station and used for inputting hydrogen into the hydrogen compressor, wherein the input end of the protection device is connected with the hydrogen input pipeline, and the output end of the protection device is connected with the air inlet end of the hydrogen compressor and comprises a buffer tank;
One side of the buffer tank is provided with the input end, the other side of the buffer tank is provided with the output end, and the top of the buffer tank is provided with a safety valve and an emptying valve.
Preferably, the other end of the hydrogen input pipeline is connected with a gas unloading cabinet, and after the hydrogen supplied by a hydrogen long tube trailer and a hydrogen tube bundle container is accessed from the gas unloading cabinet, the hydrogen is input into the hydrogen compressor of the hydrogenation station.
Preferably, the input end and the output end are both provided with ball valves for hydrogen.
Preferably, the diameter of the buffer tank is 400mm, the height of the buffer tank is 1000mm, and the buffer tank is made of SS316L material.
Preferably, the opening pressure of the safety valve is 25MPa.
Preferably, a triangular bracket is arranged at the bottom of the buffer tank.
More preferably, the triangular bracket is made of angle steel with the specification of L30 x 5mm and the material of SS316L, and is welded and fixed with the bottom of the buffer tank by welding wires HOCr Ni 10.
The utility model has the beneficial effects that:
The application of the utility model avoids the pressure change of the air suction pipeline of the hydrogen compressor and even negative pressure damage to the hydrogen compressor caused by faults, and plays a role in protecting the hydrogen compressor.
The conception, specific structure, and technical effects of the present utility model will be further described with reference to the accompanying drawings to fully understand the objects, features, and effects of the present utility model.
Drawings
Fig. 1 shows a schematic diagram of a prior art structure.
Fig. 2 shows a schematic structural diagram of an embodiment of the present utility model.
Detailed Description
Examples
As shown in fig. 2, the protection device for the hydrogen compressor of the hydrogen adding station is arranged on a hydrogen input pipeline 2 of the hydrogen adding station for inputting hydrogen into the hydrogen compressor 1, the input end is connected with the hydrogen input pipeline 2, and the output end is connected with the air inlet end of the hydrogen compressor 1 and comprises a buffer tank 4;
one side of the buffer tank 4 is provided with an input end, the other side is provided with an output end, and the top is provided with a safety valve 41 and a vent valve 42.
According to the utility model, the buffer tank 4 is arranged on the hydrogen input pipeline 2 for inputting hydrogen into the hydrogen compressor 1, so that the impact force of the input hydrogen to the hydrogen compressor 1 is slowed down, the pressure change of the air suction pipeline of the hydrogen compressor 1 caused by faults and even the damage of negative pressure to the hydrogen compressor 1 are avoided, and the hydrogen compressor 1 is protected.
In some embodiments, the other end of the hydrogen input pipeline 2 is connected with a gas unloading cabinet, and after the hydrogen supplied by a hydrogen long tube trailer and a hydrogen tube bundle container is accessed from the gas unloading cabinet, the hydrogen is input into the hydrogen compressor 1 of the hydrogen adding station.
In some embodiments, both the input and output are provided with a ball valve 3 for hydrogen.
In practical application, the ball valves 3 for hydrogen at the input end and the output end of the buffer tank 4 play an emergency cutting role, and when the buffer tank 4 fails, the two ball valves 3 for hydrogen are closed at the same time, and then the buffer tank 4 is overhauled.
In some embodiments, surge tank 4 is 400mm in diameter and 1000mm in height and is fabricated from SS316L material.
In some embodiments, the relief valve 41 has a cracking pressure of 25MPa.
In some embodiments, the bottom of the surge tank 4 is provided with a tripod 43.
In some embodiments, the tripod 43 is made of angle steel with a specification of L30 x 5mm and a material of SS316L, and is welded and fixed to the bottom of the buffer tank 4 by using HOCr Ni 21Ni 10 welding wires.
On the basis of the original hydrogenation station process, after hydrogen is supplied by a hydrogen long tube trailer and a hydrogen tube bundle container, a device is additionally arranged through a hydrogen input pipeline 2 in an input station of a gas unloading cabinet, and a recoil effect is achieved before hydrogen enters a hydrogen compressor 1, so that the impact force of the hydrogen on the hydrogen compressor 1 is relieved, and the purpose of reducing the damage of pressure change even negative pressure generated on an air suction pipeline of the hydrogen compressor 1 due to faults on the hydrogen compressor 1 is achieved.
The foregoing describes in detail preferred embodiments of the present utility model. It should be understood that numerous modifications and variations can be made in accordance with the concepts of the utility model by one of ordinary skill in the art without undue burden. Therefore, all technical solutions which can be obtained by logic analysis, reasoning or limited experiments based on the prior art by the person skilled in the art according to the inventive concept shall be within the scope of protection defined by the claims.
Claims (7)
1. The protection device for the hydrogen compressor of the hydrogen adding station is arranged on a hydrogen input pipeline (2) of the hydrogen adding station, which is used for inputting hydrogen into the hydrogen compressor (1), wherein the input end of the protection device is connected with the hydrogen input pipeline (2), and the output end of the protection device is connected with the air inlet end of the hydrogen compressor (1); characterized by comprising a buffer tank (4);
One side of the buffer tank (4) is provided with the input end, the other side is provided with the output end, and the top is provided with a safety valve (41) and an emptying valve (42).
2. The protection device for hydrogen compressors of hydrogen stations according to claim 1, characterized by the fact that the other end of the hydrogen input line (2) is connected to a gas unloading cabinet from which the hydrogen supplied by a hydrogen long tube trailer, hydrogen tube bundle container is fed into the hydrogen compressor (1) of the hydrogen station.
3. Protection device for hydrogen compressors in hydrogen stations according to claim 1, characterized by the fact that both the input and the output are provided with ball valves (3) for hydrogen.
4. Protection device for hydrogen compressors in hydrogen stations according to claim 1, characterized by the fact that the buffer tank (4) has a diameter of 400mm and a height of 1000mm, made of SS316L material.
5. Protection device for hydrogen compressors in hydrogen stations according to claim 1, characterized by the fact that the opening pressure of the safety valve (41) is 25MPa.
6. Protection device for hydrogen compressors in hydrogen stations according to claim 1, characterized by the fact that the bottom of the buffer tank (4) is provided with a tripod (43).
7. The protection device for hydrogen compressor of hydrogen addition station according to claim 6, wherein the triangular bracket (43) is made of angle steel with the specification of 30 x 5mm and the material of SS316L, and is welded and fixed with the bottom of the buffer tank (4) by welding wires of HOCr Ni 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420210262.XU CN221375397U (en) | 2024-01-29 | 2024-01-29 | Protection device for hydrogen compressor of hydrogen adding station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420210262.XU CN221375397U (en) | 2024-01-29 | 2024-01-29 | Protection device for hydrogen compressor of hydrogen adding station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221375397U true CN221375397U (en) | 2024-07-19 |
Family
ID=91868103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420210262.XU Active CN221375397U (en) | 2024-01-29 | 2024-01-29 | Protection device for hydrogen compressor of hydrogen adding station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221375397U (en) |
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2024
- 2024-01-29 CN CN202420210262.XU patent/CN221375397U/en active Active
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