CN215446014U - Hydrogenation station diffusion system based on nitrogen charging process - Google Patents
Hydrogenation station diffusion system based on nitrogen charging process Download PDFInfo
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- CN215446014U CN215446014U CN202121717984.7U CN202121717984U CN215446014U CN 215446014 U CN215446014 U CN 215446014U CN 202121717984 U CN202121717984 U CN 202121717984U CN 215446014 U CN215446014 U CN 215446014U
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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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- 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
- Y02E60/34—Hydrogen distribution
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/45—Hydrogen technologies in production processes
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Abstract
A hydrogenation station diffusion system based on a nitrogen filling process relates to the technical field of hydrogenation station diffusion systems. The application solves the production safety problem of the existing hydrogen station caused by the diffused hydrogen of the hydrogen station. The system comprises a hydrogenation station diffusion system pipeline, a hydrogen diffusion pipe and a nitrogen filling pipeline, wherein the output end of the nitrogen filling pipeline is communicated with the hydrogenation station diffusion system pipeline and is used for outputting nitrogen to the hydrogenation station diffusion system pipeline. The equipment for providing the nitrogen source for the nitrogen charging pipeline can adopt any existing nitrogen source. And a stop valve, a check valve and an adjusting valve can be arranged on the nitrogen filling pipeline, so that the reliability of the system is improved. The hydrogen station is filled with nitrogen gas in the system, so that the content of air in the hydrogen gas diffusion system can be effectively reduced, and the safety of the hydrogen station is improved. The diffusion system is suitable for realizing the diffusion of hydrogen in the conventional hydrogenation station and is also suitable for improving the diffusion system of the conventional hydrogenation station.
Description
Technical Field
The application relates to the technical field of a hydrogen station diffusion system, in particular to a hydrogen station diffusion system based on a nitrogen filling process.
Background
In a hydrogen station, the release of hydrogen has a significant impact on the safe operation of the overall hydrogen station.
Among the prior art, can set up the diffuse pipe for the diffusion of hydrogen, the equipment that needs diffuse hydrogen can be connected through the pipeline with the diffuse pipe, and hydrogen concentrates the diffusion in going into the diffuse pipe through the pipeline, and the pipeline communicates with each other with the atmosphere through the diffuse pipe, can fill the air in the system's pipeline of diffusing, makes hydrogen and air mix easily. Because the explosion limit range of hydrogen is wider, static electricity is easily generated when the flow velocity of hydrogen diffusion is faster, and then explosion can occur, and danger can be generated to a hydrogenation station.
SUMMERY OF THE UTILITY MODEL
In order to reduce the content of air in the system pipeline of diffusing, solve because of the explosion safety danger problem that the hydrogen leads to of hydrogenation station diffusion, this application provides a hydrogenation station diffusion system based on fill nitrogen technology.
The utility model provides a hydrogenation station diffusion system based on fill nitrogen technology, the system includes hydrogenation station diffusion system pipeline, its characterized in that, the system still includes fills the nitrogen pipeline, fill the output of nitrogen pipeline with hydrogenation station diffusion system pipeline intercommunication for export nitrogen gas to in the hydrogenation station diffusion system pipeline.
Further, the system also comprises a stop valve, wherein the stop valve is positioned on the nitrogen charging pipeline and used for controlling the circulation or stop of the nitrogen in the nitrogen charging pipeline.
Further, the system also comprises a check valve which is positioned on the nitrogen charging pipeline and is used for preventing hydrogen in the hydrogenation station diffusion system pipeline from entering the nitrogen charging pipeline.
Further, the system also comprises a regulating valve, wherein the regulating valve is positioned on the nitrogen charging pipeline and is used for regulating the pressure of the nitrogen input into the pipeline of the hydrogen station diffusion system.
Further, the system also comprises a nitrogen source for providing nitrogen for the hydrogen station diffusion system, and the nitrogen source outputs nitrogen to the nitrogen charging pipeline.
Further, the nitrogen source is a nitrogen container or a nitrogen source device of a hydrogenation station instrument.
Furthermore, the system also comprises a hydrogen diffusion pipe, wherein the hydrogen diffusion pipe is connected with the output end of the hydrogenation station diffusion system pipeline and is used for discharging hydrogen in the hydrogenation station diffusion system pipeline.
Further, the system also comprises a hydrogen storage container and a hydrogen compressor, wherein the hydrogen storage container and the hydrogen compressor output hydrogen to the pipeline of the hydrogen station diffusion system.
The utility model has the beneficial effects that: the existing hydrogen station diffusion system can directly discharge hydrogen into the air through a pipeline, and the pipeline is communicated with the air, so that the air can enter the pipeline, and the air content can explode with the hydrogen in the pipeline when reaching a certain degree. The application provides a hydrogenation station diffusion system based on fill nitrogen technology fills nitrogen gas into the pipeline in, and then makes nitrogen gas be full of whole diffusion pipe-line system, prevents that the air from getting into diffusion system, can effectively reduce the content of the interior air of pipeline to the danger of hydrogenation station explosion has been reduced.
The utility model is suitable for the existing hydrogen station and is also suitable for the improvement of the diffusion system of the existing hydrogen station.
Drawings
In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of a hydrogen station purge system based on a nitrogen-dosing process according to the present application;
in the figure: 1-nitrogen packaging grid; 2-a nitrogen-filled pipeline; 3-a stop valve; 4-a check valve; 5-adjusting the valve; 6-a hydrogen station diffusion system pipeline; 7-a hydrogen diffusion tube; 8-a hydrogen storage vessel; 9-hydrogen compressor.
Detailed Description
The utility model provides a hydrogen station diffusing system structure schematic diagram based on a nitrogen filling process, which is shown in figure 1.
In a first embodiment, the system includes a hydrogen station diffusion system pipeline 6, and the system further includes a nitrogen filling pipeline 2, where an output end of the nitrogen filling pipeline 2 is communicated with the hydrogen station diffusion system pipeline 6, and is used to output nitrogen to the hydrogen station diffusion system pipeline 6.
This application is to output nitrogen gas in the hydrogenation station system pipeline of diffusing 6, makes nitrogen gas be full of whole pipeline system of diffusing, and then prevents that the air from getting into the system of diffusing, has avoided hydrogen and air mixture and the danger that produces the explosion in the pipeline.
Specifically, the output end of the nitrogen filling pipeline 2 is communicated with a hydrogenation station diffusion system pipeline 6, so that nitrogen is filled in the hydrogenation station diffusion system pipeline 6; the hydrogen outlet ends of the original hydrogen storage container 8 and the hydrogen compressor 9 of the hydrogenation station are connected with the pipeline 6 of the hydrogen station diffusion system, and hydrogen is output to the pipeline 6 of the hydrogen station diffusion system; the hydrogen diffusion pipe 7 is connected with the output end of the hydrogenation station diffusion system pipeline 6 and is used for discharging gas in the hydrogenation station diffusion system pipeline 6, and the gas comprises hydrogen and nitrogen.
In the second embodiment, the first embodiment is further described, and the system further includes a stop valve 3, where the stop valve 3 is located on the nitrogen charging pipeline 2 and is used for controlling the circulation or stop of the nitrogen gas in the nitrogen charging pipeline 2.
This embodiment has set up stop valve 3 on filling nitrogen pipeline 2, and in practical application, can control according to the actual behavior at hydrogenation station, control filling nitrogen pipeline 2 switch on or close, realize controlling the opportunity of carrying nitrogen gas to hydrogenation station diffuse system pipeline 6.
In a third embodiment, which further describes the first or second embodiment, the system further includes a check valve 4, where the check valve 4 is located on the nitrogen charging pipeline 2 and is used for preventing the hydrogen in the hydrogen station diffusion system pipeline 6 from entering into the nitrogen charging pipeline 2.
The check valve 4 is additionally arranged on the nitrogen charging pipeline 2, so that the situation that hydrogen in the hydrogen station diffusion system pipeline 6 enters the nitrogen charging pipeline 2 due to the fact that the pressure in the hydrogen station diffusion system pipeline 6 is larger than the pressure in the nitrogen charging pipeline 2 in actual application can be avoided.
In a fourth embodiment, the present embodiment further describes the system according to any one of the first to third embodiments, and the system further includes a regulating valve 5, where the regulating valve 5 is located on the nitrogen charging pipeline 2 and is used for regulating the pressure of the nitrogen gas input into the hydrogen station bleeding system pipeline 6.
This embodiment has increased governing valve 5 on filling nitrogen pipeline 2, can adjust filling nitrogen pipeline 2 and input the pressure of nitrogen gas in the system pipeline 6 that diffuses to the hydrogenation station, in-service use, can adjust the pressure of input nitrogen gas according to the pressure of the hydrogen output system at hydrogenation station, and then guarantee that nitrogen gas can effectually enter into hydrogen station and diffuse system pipeline 6, realize the isolation effect of hydrogen and air. After the characteristic is added, the problem that nitrogen cannot be input into the hydrogen station diffusion system pipeline 6 and even hydrogen is generated and enters the nitrogen charging pipeline 2 due to the fact that the pressure of the hydrogen output by the hydrogen station is not suitable for the pressure of the input nitrogen can be effectively solved.
Fifth, the present embodiment further describes the system according to any one of the first to fourth embodiments, further including a nitrogen source for providing nitrogen to the hydrogen station diffusion system, where the nitrogen source outputs nitrogen to the nitrogen charging pipe 2, and outputs nitrogen to the hydrogen station diffusion system pipe 6 through the nitrogen charging pipe 2, so as to ensure the supply of nitrogen.
The nitrogen source added in the embodiment is matched with the characteristics of the second, third and fourth embodiments, so that the output and output speed of nitrogen and the trend of hydrogen can be controlled.
The nitrogen source is equipment such as a nitrogen container grid or nitrogen source equipment of a hydrogenation station instrument. The nitrogen source can be a device which is independently arranged, and the nitrogen filling condition is met; the existing nitrogen equipment of the hydrogenation station can also be used, thereby realizing the simplification of the equipment.
The working principle of the application is as follows: the nitrogen gas of output in the nitrogen source enters into hydrogenation station diffusion system pipeline 6 through filling nitrogen pipeline 2, and then reduces the content of air in hydrogenation station diffusion system pipeline 6 to the hydrogen that hydrogen storage container 8 and hydrogen compressor 9 discharged can enter into hydrogen diffusion pipe 7 safely through hydrogenation station diffusion system pipeline 6 and discharge, has avoided because the danger that the excessive mixture of air and hydrogen caused the explosion.
Wherein when whole diffusion system is in normal operating condition, stop valve 3, check valve 4 and air-vent valve 5 are normally open state, guarantee to be full of low pressure nitrogen gas in the hydrogen diffusion system, guarantee promptly that hydrogenation station diffusion system pipeline 6 is full of low pressure nitrogen gas to reach the purpose of safe diffusion. The utility model can safely diffuse the hydrogen discharged by the hydrogen storage container 8 and the hydrogen compressor 9, thereby ensuring the safe operation of the hydrogen filling station.
A branch pipeline is led to a nitrogen header pipe of the nitrogen packaging grid 1, namely a nitrogen filling pipeline 2, a stop valve 3, a check valve 4 and an adjusting valve 5 are arranged on the pipeline, and the pipeline behind the adjusting valve 5 is connected to the outlet end of a safety valve of each hydrogen output device. The valve keeps normally open state, makes nitrogen gas fill up whole diffusion pipe-line system, and then prevents that the air from getting into the diffusion system, promptly when the diffusion system of hydrogenation station normally works, hydrogen storage container 8 and hydrogen compressor 9, hydrogen storage container 8 with hydrogen compressor 9 output hydrogen to in the diffusion system pipeline 6 of hydrogenation station, stop valve 3, check valve 4 and governing valve 5 keep normally open state, make hydrogen output to the diffusion pipe-line system that is full of nitrogen gas, and then prevent the explosion that the contact in a large number of air and hydrogen caused, discharge hydrogen in the atmosphere safely from hydrogen diffusion pipe 7 at last.
Claims (8)
1. The system comprises a hydrogenation station diffusion system pipeline (6) and is characterized by further comprising a nitrogen filling pipeline (2), wherein the output end of the nitrogen filling pipeline (2) is communicated with the hydrogenation station diffusion system pipeline (6) and used for outputting nitrogen to the hydrogenation station diffusion system pipeline (6).
2. The hydroprocessing station diffusion system based on nitrogen charging process of claim 1, wherein: the system further comprises a stop valve (3), wherein the stop valve (3) is positioned on the nitrogen filling pipeline (2) and used for controlling the circulation or stop of nitrogen in the nitrogen filling pipeline (2).
3. The hydroprocessing station diffusion system based on nitrogen charging process of claim 1, wherein: the system also comprises a check valve (4), wherein the check valve (4) is positioned on the nitrogen filling pipeline (2) and is used for preventing hydrogen in the hydrogenation station diffusion system pipeline (6) from entering the nitrogen filling pipeline (2).
4. The hydroprocessing station diffusion system based on nitrogen charging process of claim 1, wherein: the system further comprises a regulating valve (5), wherein the regulating valve (5) is positioned on the nitrogen charging pipeline (2) and is used for regulating the pressure of the nitrogen input into the hydrogen filling station diffusion system pipeline (6).
5. A hydroprocessing station venting system based on a nitrogen-charging process as recited in claim 1, 2 or 3, characterized in that: the system also comprises a nitrogen source (1) for providing nitrogen for the hydrogenation station diffusion system, wherein the nitrogen source (1) outputs nitrogen to the nitrogen charging pipeline (2).
6. The hydroprocessing station diffusion system based on nitrogen charging process of claim 5, wherein: the nitrogen source (1) is nitrogen container or nitrogen source equipment of a hydrogenation station instrument.
7. The hydroprocessing station diffusion system based on nitrogen charging process of claim 1, wherein: the system also comprises a hydrogen diffusion pipe (7), wherein the hydrogen diffusion pipe (7) is connected with the output end of the hydrogenation station diffusion system pipeline (6) and is used for discharging hydrogen in the hydrogenation station diffusion system pipeline (6).
8. The hydroprocessing station diffusion system based on nitrogen charging process of claim 1, wherein: the system further comprises a hydrogen storage container (8) and a hydrogen compressor (9), wherein the hydrogen storage container (8) and the hydrogen compressor (9) output hydrogen to the pipeline (6) of the hydrogen filling station diffusion system.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121717984.7U CN215446014U (en) | 2021-07-27 | 2021-07-27 | Hydrogenation station diffusion system based on nitrogen charging process |
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| CN202121717984.7U CN215446014U (en) | 2021-07-27 | 2021-07-27 | Hydrogenation station diffusion system based on nitrogen charging process |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114811439A (en) * | 2022-05-09 | 2022-07-29 | 深圳市安保医疗科技股份有限公司 | Hydrogen pipeline device and hydrogen production machine |
| CN115507298A (en) * | 2022-10-09 | 2022-12-23 | 北京中科富海低温科技有限公司 | Hydrogen discharging device and hydrogen discharging system |
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2021
- 2021-07-27 CN CN202121717984.7U patent/CN215446014U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114811439A (en) * | 2022-05-09 | 2022-07-29 | 深圳市安保医疗科技股份有限公司 | Hydrogen pipeline device and hydrogen production machine |
| CN114811439B (en) * | 2022-05-09 | 2024-05-03 | 深圳市安保医疗科技股份有限公司 | Hydrogen pipeline device and hydrogen production machine |
| CN115507298A (en) * | 2022-10-09 | 2022-12-23 | 北京中科富海低温科技有限公司 | Hydrogen discharging device and hydrogen discharging system |
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