CN215259191U - 70MPa sled dress formula hydrogenation station - Google Patents
70MPa sled dress formula hydrogenation station Download PDFInfo
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- CN215259191U CN215259191U CN202120582053.4U CN202120582053U CN215259191U CN 215259191 U CN215259191 U CN 215259191U CN 202120582053 U CN202120582053 U CN 202120582053U CN 215259191 U CN215259191 U CN 215259191U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/32—Hydrogen storage
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Abstract
The utility model provides a 70MPa sled dress formula hydrogenation station draws together hydrogen source, sled vanning and hydrogen conveying pipe, the sled vanning is equipped with a baffle, the cavity of baffle in with the sled vanning divide into and pressurizes chamber and a hydrogenation chamber, the hydrogenation intracavity is equipped with a hydrogenation machine, pressurize the intracavity and be equipped with a hydrogen compressor, hydrogen conveying union coupling is on hydrogenation machine and gas compressor, hydrogen conveying pipe and hydrogen source still be equipped with a stop valve on the hydrogen conveying pipe, be equipped with a hydrogenation joint on the hydrogenation machine, the beneficial effects of the utility model are that: a high-pressure nitrogen tank is arranged in a pressurizing cavity of the hydrogen station, the high-pressure nitrogen tank sends high-pressure nitrogen to the hydrogen conveying pipe, and residual hydrogen in the hydrogen conveying pipe is discharged, so that the practical risk of the hydrogen station is reduced, and the practical service life of the hydrogen station is prolonged; the hydrogen conveying pipe of the hydrogen station is also provided with a safety valve, and the safety valve can prevent the hydrogen leakage or the hydrogen conveying pipe from being broken caused by the overhigh hydrogen pressure in the hydrogen conveying pipe.
Description
Technical Field
The utility model relates to a hydrogen filling device field especially relates to a 70MPa sled dress formula hydrogenation station.
Background
The hydrogen station is a device for filling hydrogen to a hydrogen energy automobile, the hydrogen station adopts two specifications of 35MPa and 70MPa, a hydrogen conveying pipeline in the existing hydrogen station is longer, the hydrogen pressure of the hydrogen conveying pipeline in the hydrogen station is higher, the hydrogen pipeline is made of high-strength metal materials, after the hydrogen station completes the hydrogenation to the hydrogen energy automobile, a certain amount of hydrogen usually remains in the hydrogen conveying pipe of the hydrogen station, the hydrogen can generate hydrogen brittle reaction with the hydrogen conveying pipe, the strength of the hydrogen conveying pipe is reduced, the service life of the hydrogen conveying pipe is shortened, and the hydrogen brings the risk of hydrogen explosion in the hydrogen conveying pipeline inspection and repair.
SUMMERY OF THE UTILITY MODEL
In view of this, in order to reduce the use risk of the hydrogen refueling station and prolong the service life of the hydrogen delivery pipeline of the hydrogen refueling station, the utility model provides a 70MPa skid-mounted hydrogen refueling station, which comprises a hydrogen source, a skid-mounted box and a hydrogen delivery pipe, wherein a partition plate is arranged in the skid-mounted box, the partition plate divides the cavity in the skid-mounted box into a pressurizing cavity and a hydrogen cavity, a hydrogenation machine is arranged in the hydrogen cavity, a hydrogen compressor is arranged in the pressurizing cavity, one end of the hydrogen delivery pipe, which passes through the skid-mounted box and the partition plate, is connected to the hydrogenation machine, and the other end of the hydrogen delivery pipe extends to the skid-mounted box and is connected to the hydrogen source, the hydrogen compressor is connected to the hydrogen delivery pipe, a stop valve is further arranged on the hydrogen delivery pipe, the hydrogen delivery pipe is used for pressurizing hydrogen in the hydrogen hydrogenation machine in the hydrogen source, the hydrogen compressor is used for pressurizing the hydrogen entering the hydrogenation machine, a hydrogenation joint is arranged on the hydrogenation machine, and the hydrogenation joint is used for connecting to the hydrogen storage device of a hydrogen energy automobile, therefore, hydrogen in the hydrogenation machine is filled into the hydrogen energy automobile, and the stop valve is used for controlling the opening and closing of the hydrogen conveying pipe.
Further, still be equipped with high-pressure nitrogen gas jar in the pressurization intracavity, the hydrogen transportation pipe still is equipped with first three way connection and second three way connection, connect a connecting pipe on the high-pressure nitrogen gas jar, be equipped with a purge valve on the connecting pipe, connect an exhaust pipe on the second three way connection, be equipped with an exhaust valve on the exhaust pipe, high-pressure nitrogen gas jar is arranged in this hydrogenation station hydrogenation completion after sweep remaining hydrogen in the pipe.
Further, the hydrogen source is a hydrogen storage tube bundle, and the hydrogen storage tube bundle is fixed on the long-tube trailer.
Furthermore, a connecting hose is arranged at the end part of the hydrogen conveying pipe, and the hydrogen conveying pipe is connected to the hydrogen source through the connecting hose.
Furthermore, a third three-way valve is further arranged on the hydrogen conveying pipe, a safety pipe is arranged on the third three-way valve, the upper end of the safety pipe is opened, the lower end of the safety pipe is connected with the third three-way valve, a safety valve is arranged on the safety pipe, and when the pressure of hydrogen in the hydrogen conveying pipe exceeds a set value of the safety valve, the safety valve is automatically opened to discharge hydrogen in the hydrogen conveying pipe, so that the safety of the hydrogen conveying pipe is ensured.
Furthermore, pressurization chamber and hydrogenation chamber top are equipped with an exhaust fan respectively, two be equipped with a hydrogen concentration sensor on the exhaust fan respectively, two hydrogen concentration sensors are used for detecting pressurization chamber and hydrogenation intracavity hydrogen concentration respectively, and two exhaust fans are used for the air of effluvium pressurization chamber and hydrogenation intracavity respectively to reduce pressurization chamber and hydrogenation intracavity hydrogen concentration.
Furthermore, a water cooling device is respectively arranged in the pressurizing cavity and the hydrogenation cavity, and the two water cooling devices are respectively connected with the hydrogenation machine and the hydrogen compressor through water cooling pipes so as to reduce the temperature of the hydrogenation machine and the hydrogen compressor.
The utility model discloses a beneficial effect at 70MPa sled dress formula hydrogenation station does: (1) the high-pressure nitrogen tank is connected to the hydrogen conveying pipe through a connecting pipe, and the hydrogen conveying pipe is also provided with an exhaust pipe; (2) the hydrogen conveying pipe of the hydrogen station is also provided with a safety valve, and the safety valve can enable hydrogen in the hydrogen conveying pipe to overflow when the hydrogen in the hydrogen conveying pipe exceeds a safety range, so that the phenomenon that the hydrogen leaks or the hydrogen conveying pipe is broken due to overhigh pressure of the hydrogen in the hydrogen conveying pipe is prevented.
Drawings
Fig. 1 is a schematic structural diagram of a hydrogen filling station system with a direct charging function in an embodiment of the present invention.
In the figure: 1-skid packing box, 11-partition plate, 12-exhaust fan, 13-hydrogen concentration sensor, 14-pressurizing cavity, 15-hydrogenation cavity, 2-hydrogen conveying pipe, 21-stop valve, 22-connecting hose, 23-exhaust valve, 24-safety valve, 3-hydrogen storage pipe bundle, 31-long pipe trailer, 4-high pressure nitrogen tank, 41-purge valve, 5-hydrogen compressor, 6-hydrogenation machine and 7-water cooling machine.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be further described below with reference to the accompanying drawings.
Referring to fig. 1, a 70MPa skid-mounted hydrogen station includes a hydrogen source, a skid-mounted box 1 and a hydrogen pipe 2.
The prying box 1 is a hollow rectangular box body, the prying box 1 can be a container, a partition plate 11 is arranged in the prying box 1, a cavity in the prying box is divided into a pressurizing cavity 14 and a hydrogenation cavity 15 by the partition plate 11, a hydrogenation machine 6 is arranged in the hydrogenation cavity 15, preferably, the hydrogenation machine 6 is embedded in the side wall of the prying box 1, part of the hydrogenation machine 6 is positioned outside the prying box 1, a hydrogenation joint is arranged on the hydrogenation machine 6 and is connected with a hydrogen storage device of a hydrogen energy automobile, a hydrogen compressor 5 is arranged in the pressurizing cavity 14, the hydrogen conveying pipe 2 penetrates through the prying box 1 and the partition plate 11, one end of the hydrogen conveying pipe is connected to the hydrogenation machine 6, the other end of the hydrogen conveying pipe 2 extends to the outside of the prying box 1, the end of the hydrogen conveying pipe 2 extends to the outside of the hydrogen prying box 1 is connected with a connecting hose 22, the other end of the connecting hose is connected to a hydrogen source, and the hydrogen compressor 5 is connected to the hydrogen conveying pipe 2, the hydrogen conveying pipe 2 is used for guiding hydrogen in a hydrogen source into the hydrogenation machine 6, and the hydrogen compressor 5 is used for pressurizing the hydrogen in the hydrogen conveying pipe 5, so that the pressurized hydrogen is filled into a hydrogen storage device of a hydrogen energy automobile through the hydrogenation machine 6.
In this embodiment, the hydrogen source is a hydrogen storage tube bundle 4, hydrogen of 5-30MPa is usually stored in the hydrogen storage tube bundle 4, the hydrogen storage tube bundle 4 is fixed on a tube trailer 41, the hydrogen storage tube bundle 4 can be conveniently transported to a hydrogenation station through the tube trailer 41, the rated pressure of the hydrogen compressor 5 is 87.5MPa, the rated pressure of the hydrogenation machine is 70MPa, the hydrogen of 5-30MPa in the hydrogen storage tube bundle 4 is pressurized to 87.5MPa by the hydrogen compressor 5 and then input into the hydrogenation machine 6, the hydrogenation machine 6 properly reduces the pressure of the high-pressure hydrogen entering the hydrogenation machine 6, and then the high-pressure hydrogen is input into the hydrogen storage device of the hydrogen energy automobile at the pressure of 70MPa, and the hydrogen filling of the hydrogen energy automobile is completed.
Furthermore, a stop valve 21 is further arranged on the hydrogenation pipe 2, the stop valve 21 is located at one end of the hydrogenation pipe 2 close to the connecting hose 22, an emergency button is arranged on the hydrogenation machine 6, when an emergency occurs, the stop valve 21 can be closed by pressing the emergency button, and the stop valve 21 can cut off the hydrogen output from the hydrogen source.
Further, still be equipped with high-pressure nitrogen gas jar 4 in the pressurization chamber 14, hydrogen transportation pipe 2 still is equipped with first three way connection and second three way connection, connect a connecting pipe on the high-pressure nitrogen gas jar 4, the connecting pipe is connected on first three way connection, is equipped with a purge valve 41 on the connecting pipe, connect an exhaust pipe on the second three way connection, be equipped with a blast valve 23 on the blast pipe, after this hydrogenation station accomplishes the hydrogenation to the hydrogen energy car, and when there is not all the other hydrogen energy cars hydrogenation, purge valve 41 and blast valve open this moment, and remaining hydrogen in the high-pressure nitrogen gas jar 4 blew out from the blast pipe with hydrogen transportation pipe 2.
Further, pressurization chamber 14 and hydrogenation chamber 15 top are equipped with an exhaust fan 12 respectively, two be equipped with a hydrogen concentration sensor 13 on the exhaust fan 12 respectively, two hydrogen concentration sensor 13 are used for detecting pressurization chamber 14 and hydrogenation chamber 15 in the hydrogen concentration respectively, and when two hydrogen concentration sensor detected pressurization chamber 14 or hydrogenation chamber 15 in the hydrogen concentration surpassed a definite value (3% volume concentration), hydrogen concentration sensor 13 control this cavity top exhaust fan 12 starts, dispels the air in it to reduce pressurization chamber 14 and hydrogenation chamber 15 in the hydrogen concentration, prevent that the hydrogen concentration from reaching the explosion limit and the phenomenon of explosion from taking place.
Further, a third three-way valve is further arranged on the hydrogen delivery pipe 2, the third three-way valve is located in the pressurization cavity 14, a safety pipe is arranged on the third three-way valve, the upper end of the safety pipe is open, the lower end of the safety pipe is connected to the third three-way valve, a safety valve 24 is arranged on the safety pipe, and when the pressure of hydrogen in the hydrogen delivery pipe 2 exceeds a set value (90MPa) of the safety valve, the safety valve 24 is automatically opened, so that the hydrogen in the hydrogen delivery pipe 2 overflows, and the safety of the hydrogen delivery pipe 2 is ensured. The pressurizing cavity 14 and the hydrogenation cavity 15 are respectively provided with a water-cooling machine 7, and the two water-cooling machines 7 are respectively connected with the hydrogenation machine 6 and the hydrogen compressor 5 through water-cooling pipes so as to reduce the temperature of the hydrogenation machine 6 and the hydrogen compressor 5.
In this document, the terms front, back, upper and lower are used to define the components in the drawings and the positions of the components relative to each other, and are used for clarity and convenience of the technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.
The features of the embodiments and embodiments described herein above may be combined with each other without conflict.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (7)
1. The utility model provides a 70MPa sled dress formula hydrogenation station which characterized in that: comprises a hydrogen source, a prying box and a hydrogen conveying pipe, wherein a clapboard is arranged in the prying box and divides a cavity in the prying box into a pressurizing cavity and a hydrogenation cavity, a hydrogenation machine is arranged in the hydrogenation cavity, a hydrogen compressor is arranged in the pressurizing cavity, the hydrogen conveying pipe penetrates through the prying box, one end of the partition plate is connected to the hydrogenation machine, the other end of the partition plate extends to the outside of the prying box and is connected with the hydrogen source, the hydrogen compressor is connected to the hydrogen pipe, the hydrogen pipe is also provided with a stop valve, the hydrogen conveying pipe is used for the hydrogen hydrogenation machine in the hydrogen source, the hydrogen compressor is used for pressurizing the hydrogen entering the hydrogenation machine, the hydrogenation machine is provided with a hydrogenation joint which is used for being connected with a hydrogen storage device of a hydrogen energy automobile, therefore, hydrogen in the hydrogenation machine is filled into the hydrogen energy automobile, and the stop valve is used for controlling the opening and closing of the hydrogen conveying pipe.
2. The 70MPa skid-mounted hydrogen station of claim 1, wherein: still be equipped with high-pressure nitrogen gas jar in the pressurization intracavity, the hydrogen transportation pipe still is equipped with first three way connection and second three way connection, connect a connecting pipe on the high-pressure nitrogen gas jar, be equipped with one on the connecting pipe and sweep the valve, connect an exhaust pipe on the second three way connection, be equipped with an exhaust valve on the exhaust pipe, high-pressure nitrogen gas jar is arranged in this hydrogenation station hydrogenation and sweeps remaining hydrogen in the pipe after accomplishing.
3. The 70MPa skid-mounted hydrogen station of claim 1, wherein: the hydrogen source is a hydrogen storage tube bundle which is fixed on the long tube trailer.
4. The 70MPa skid-mounted hydrogen station of claim 1, wherein: the end part of the hydrogen conveying pipe is provided with a connecting hose, and the hydrogen conveying pipe is connected to the hydrogen source through the connecting hose.
5. The 70MPa skid-mounted hydrogen station of claim 1, wherein: the hydrogen conveying pipe is also provided with a third three-way valve, the third three-way valve is provided with a safety pipe, the upper end of the safety pipe is opened, the lower end of the safety pipe is connected with the third three-way valve, the safety pipe is provided with a safety valve, and when the pressure of hydrogen in the hydrogen conveying pipe exceeds a set value of the safety valve, the safety valve is automatically opened to discharge hydrogen in the hydrogen conveying pipe so as to ensure the safety of the hydrogen conveying pipe.
6. The 70MPa skid-mounted hydrogen station of claim 1, wherein: the pressurizing cavity and the top of the hydrogenation cavity are respectively provided with an exhaust fan, the exhaust fan is respectively provided with a hydrogen concentration sensor, the two hydrogen concentration sensors are respectively used for detecting the hydrogen concentration in the pressurizing cavity and the hydrogenation cavity, and the two exhaust fans are respectively used for diffusing the air in the pressurizing cavity and the hydrogenation cavity so as to reduce the hydrogen concentration in the pressurizing cavity and the hydrogenation cavity.
7. The 70MPa skid-mounted hydrogen station of claim 1, wherein: the pressurizing cavity and the hydrogenation cavity are respectively provided with a water cooling device, and the two water cooling devices are respectively connected with the hydrogenation machine and the hydrogen compressor through water cooling pipes so as to reduce the temperature of the hydrogenation machine and the hydrogen compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120582053.4U CN215259191U (en) | 2021-03-22 | 2021-03-22 | 70MPa sled dress formula hydrogenation station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120582053.4U CN215259191U (en) | 2021-03-22 | 2021-03-22 | 70MPa sled dress formula hydrogenation station |
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| CN215259191U true CN215259191U (en) | 2021-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120582053.4U Active CN215259191U (en) | 2021-03-22 | 2021-03-22 | 70MPa sled dress formula hydrogenation station |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114542945A (en) * | 2022-01-12 | 2022-05-27 | 浙江浙能航天氢能技术有限公司 | Hydrogen energy equipment prying body capable of reducing explosion risk and using method |
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2021
- 2021-03-22 CN CN202120582053.4U patent/CN215259191U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114542945A (en) * | 2022-01-12 | 2022-05-27 | 浙江浙能航天氢能技术有限公司 | Hydrogen energy equipment prying body capable of reducing explosion risk and using method |
| CN114542945B (en) * | 2022-01-12 | 2023-08-22 | 浙江浙能航天氢能技术有限公司 | Hydrogen energy equipment pry body capable of reducing explosion risk and use method |
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