CN216079296U - Low-pressure hydrogen steady flow system of fuel cell automobile hydrogenation station - Google Patents
Low-pressure hydrogen steady flow system of fuel cell automobile hydrogenation station Download PDFInfo
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- CN216079296U CN216079296U CN202220214537.8U CN202220214537U CN216079296U CN 216079296 U CN216079296 U CN 216079296U CN 202220214537 U CN202220214537 U CN 202220214537U CN 216079296 U CN216079296 U CN 216079296U
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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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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- Y02E60/30—Hydrogen technology
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Abstract
The utility model provides a low-pressure hydrogen steady flow system of a fuel cell automobile hydrogenation station, which comprises a support and a hydrogen storage container, and further comprises a security monitoring system, a hydrogen inlet pipeline system, a nitrogen purging and replacing system, a hydrogen evacuation pipeline system, a hydrogen exhaust pipeline system, a sampling pipeline system, an instrument gas pipeline system and a sewage discharge pipeline system, wherein the security monitoring system comprises a hydrogen concentration detector, a flame detector and a sound-light alarm; the bottom of the hydrogen storage container is also provided with a supporting leg; the hydrogen inlet pipeline system comprises an electrolyzed water hydrogen production device, a hydrogen inlet interface, a pneumatic valve, a first one-way valve, a filter, a mass flow meter and a first pipe joint. The low-pressure hydrogen steady flow system of the fuel cell automobile hydrogen station integrates the hydrogen storage container and a plurality of pipeline systems, and is additionally provided with a security monitoring system for ensuring the safe operation of equipment, so that the low-pressure hydrogen steady flow system has complete functions.
Description
Technical Field
The utility model belongs to the technical field of low-pressure hydrogen stable airflow of a fuel cell automobile hydrogenation station, and particularly relates to a low-pressure hydrogen stable flow system of the fuel cell automobile hydrogenation station.
Background
The hydrogen adding station of the fuel cell automobile is the guarantee that the hydrogen fuel cell automobile can be better popularized and applied, most hydrogen adding stations depend on high-pressure hydrogen stored and transported from a hydrogen producing place by a long-tube trailer, and then hydrogen is added to the fuel cell automobile through hydrogen adding equipment. The hydrogen obtained by the storage and transportation mode has higher cost, and the storage and transportation cost accounts for about 20 percent of the total cost of the hydrogen.
In order to shorten the hydrogen transportation distance between a hydrogen production place and a consumption place, electric energy is obtained through a photovoltaic power generation technology, then a water electrolysis device prepares hydrogen, a hydrogen storage and transportation link is omitted, the hydrogen transportation device becomes the best choice for reducing the operation cost of a hydrogen station, and meanwhile, the environmental pollution can be reduced.
The water electrolysis device is used for preparing low-pressure hydrogen, the fuel cell vehicle is used for preparing high-pressure hydrogen, and a hydrogen diaphragm compressor with a large pressure increase ratio is usually arranged between the water electrolysis device and the fuel cell vehicle, however, the hydrogen diaphragm compressor belongs to a reciprocating compressor, and the inlet and the outlet of the hydrogen diaphragm compressor are intermittent and periodic and are pulse airflow; secondly, the pressure, the speed and the density of airflow in the equipment are changed periodically, so that related components are subjected to the threat of continuous impact load; thirdly, the air inlet amount of the diaphragm compressor is large, the inlet end usually has remarkable pressure fluctuation, the equipment cannot work at full load, and the efficiency is low. Therefore, developing a system for stabilizing and stabilizing the flow of the low-pressure hydrogen becomes the key for solving the problems.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention provides a low-pressure hydrogen steady flow system for a hydrogen refueling station of a fuel cell vehicle, which integrates a hydrogen storage container and a plurality of pipeline systems, and is additionally provided with a security monitoring system for ensuring safe operation of the equipment, so that the functions are complete.
In order to solve the technical problems, the utility model adopts the technical scheme that: the utility model provides a fuel cell car hydrogenation station low pressure hydrogen stationary flow system, includes support and hydrogen storage container, still includes security protection monitored control system, hydrogen inlet pipe-line system, nitrogen gas sweep replacement system, hydrogen evacuation pipe-line system, hydrogen exhaust pipe-line system, sample pipeline system, instrument gas pipe-line system and sets up in the blowdown pipe-line system of hydrogen storage container bottom.
Furthermore, the security monitoring system comprises a hydrogen concentration detector, a flame detector and a sound-light alarm which are arranged on the upper part of the support.
Furthermore, the bottom of the hydrogen storage container is also provided with a support leg which is connected with a concrete layer in the ground into a whole through a foundation bolt and a nut.
Furthermore, the hydrogen inlet pipeline system comprises an electrolytic water hydrogen production device, a hydrogen inlet interface, a pneumatic valve, a first one-way valve, a filter, a mass flow meter and a first pipe joint which are sequentially connected from left to right through pipelines, wherein the hydrogen inlet interface is arranged at the lower part of the left end of the support, and the first pipe joint is arranged at the left end of the hydrogen storage container.
Furthermore, nitrogen gas sweeps replacement system includes nitrogen gas interface, second ball valve and the second check valve that connects gradually through the pipeline from left to right, the right-hand member of second check valve still is connected through the pipeline between pipeline and the first check valve and the filter, the nitrogen gas interface sets up the left side end at the support and is located the lower extreme of hydrogen interface that admits air.
Further, hydrogen evacuation piping system includes from the bottom up through fifth coupling, third ball valve, second needle valve, spark arrester and the evacuation interface that the pipeline connects gradually, fifth coupling sets up the top at hydrogen storage container, the evacuation interface sets up the right side end upper portion at the support.
Furthermore, the hydrogen exhaust pipeline system comprises a compression hydrogen storage filling device, a hydrogen gas outlet interface and a first ball valve which are sequentially connected from left to right through pipelines, the right end of the first ball valve is further connected with a fifth pipe joint and a third ball valve through pipelines, and the hydrogen gas outlet interface is arranged at the upper part of the left end of the support.
Further, the sample pipe-line system includes from left to right through sample connection, metal collapsible tube and the first needle valve that the pipeline connects gradually, the right-hand member of first needle valve still links to each other through the pipeline of pipeline with first ball valve right-hand member, the sample connection sets up in the left side of support end upper portion and is located the upper end that the interface was given vent to anger to hydrogen.
Further, instrument gas piping system includes from left to right instrument gas interface and the solenoid valve that connects gradually through the pipeline, the right-hand member of solenoid valve still is connected with the pneumatic valve through the pipeline, instrument gas interface sets up on the support and is located hydrogen and gives vent to anger between interface and the hydrogen interface of admitting air.
Furthermore, the sewage pipeline system comprises a second pipe joint, a sewage valve and a sewage outlet which are sequentially connected from top to bottom through pipelines, the second pipe joint is arranged at the bottom of the hydrogen storage container, and the sewage outlet is arranged at the lower part of the right side end of the support.
Further, the upper end of the right side of the hydrogen storage container is also provided with a third pipe joint, a first meter valve, a pressure sensor, a second meter valve and a pressure meter which are sequentially connected from left to right through a pipeline, and the third pipe joint is arranged at the upper end of the right side of the hydrogen storage container.
Further, the upper portion of hydrogen storage container is provided with fourth coupling and the relief valve that connects gradually through the pipeline, the relief valve still is connected through pipeline and the pipeline between second needle valve and the spark arrester.
Compared with the prior art, the utility model has the following beneficial effects: the system is high in integration level, integrates the hydrogen storage container and a plurality of pipeline systems, is additionally provided with a security monitoring system, guarantees safe operation of equipment and is complete in function.
Secondly, the system is in a modular design, and a plurality of systems are used as independent modules and can be integrated in the system after being manufactured in a standardized way.
Thirdly, the system has compact structure, adopts a large hydrogen storage container, has obvious air flow buffering and stable operation of the diaphragm compressor.
Fourthly, the steady flow and pressure stabilization effect of the system is remarkable, the diaphragm compressor can run at full load efficiently, meanwhile, related components can be prevented from bearing continuous impact load, and the service life of the compressor is prolonged.
Fifthly, the bottom of the hydrogen storage volume is an arc-shaped groove, which is beneficial to timely discharge of the sewage accumulated inside.
And sixthly, a manhole cover is arranged at the belly of the hydrogen storage container, so that technicians can conveniently and regularly overhaul the hydrogen storage container.
And seventhly, the system has the pressure local display function and the remote monitoring function at the same time.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic structural diagram of the present invention.
In the figure: 1. a support; 2. a hydrogen concentration detector; 3. a flame detector; 4. a sampling port; 5. a metal hose; 6. a first needle valve; 7. a first ball valve; 8. a hydrogen gas outlet interface; 9. compressing the hydrogen storage filling equipment; 10. an instrument gas interface; 11. an electromagnetic valve; 12. a hydrogen production device by water electrolysis; 13. a hydrogen gas inlet interface; 14. a pneumatic valve; 15. a first check valve; 16. a filter; 17. a mass flow meter; 18. a first pipe joint; 19. a nitrogen interface; 20. a second ball valve; 21. a second one-way valve; 22. a support leg; 23. a concrete layer; 24. anchor bolts; 25. a nut; 26. a second pipe joint; 27. a blowoff valve; 28. a flap hinge; 29. a manhole cover; 30. a handle; 31. combining bolts; 32. a third pipe joint; 33. a first meter valve; 34. a second meter valve; 35. a pressure gauge; 36. a pressure sensor; 37. lifting lugs; 38. a fourth pipe joint; 39. a fifth pipe joint; 40. a third ball valve; 41. a second needle valve; 42. a flame arrestor; 43. an evacuation interface; 44. an audible and visual alarm; 45. a hydrogen storage vessel; 46. a sewage draining outlet; 47. a safety valve.
Detailed Description
In order to better understand the present invention, the following examples are further provided to clearly illustrate the contents of the present invention, but the contents of the present invention are not limited to the following examples. In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details.
As shown in fig. 1, a low-pressure hydrogen steady flow system of a fuel cell automobile hydrogen station comprises a support 1 and a hydrogen storage container 45, and further comprises a security monitoring system, a hydrogen inlet pipeline system, a nitrogen purging and replacing system, a hydrogen evacuation pipeline system, a sampling pipeline system, an instrument gas pipeline system and a sewage pipeline system arranged at the bottom of the hydrogen storage container 45.
According to another embodiment of the utility model, as shown in fig. 1, the security monitoring system comprises a hydrogen concentration detector 2, a flame detector 3 and an audible and visual alarm 44 which are arranged on the upper part of a support 1.
According to another embodiment of the present invention, as shown in fig. 1, the bottom of the hydrogen storage vessel 45 is further provided with legs 22, and the legs 22 are integrally connected to a concrete layer 23 in the ground by anchor bolts 24 and nuts 25.
According to another embodiment of the present invention, as shown in fig. 1, the hydrogen gas inlet pipeline system comprises an electrolyzed water hydrogen production device 12, a hydrogen gas inlet port 13, a pneumatic valve 14, a first check valve 15, a filter 16, a mass flow meter 17 and a first pipe joint 18 which are sequentially connected from left to right through pipelines, wherein the hydrogen gas inlet port 13 is arranged at the lower part of the left side end of the support 1, and the first pipe joint 18 is arranged at the left side end of the hydrogen storage container 45.
According to another embodiment of the present invention, as shown in fig. 1, the nitrogen purging and displacing system comprises a nitrogen interface 19, a second ball valve 20 and a second one-way valve 21 which are sequentially connected from left to right through a pipeline, wherein the right end of the second one-way valve 21 is further connected with a pipeline between the first one-way valve 15 and the filter 16 through a pipeline, and the nitrogen interface 19 is arranged at the left end of the support 1 and at the lower end of the hydrogen inlet interface 13.
According to another embodiment of the utility model, as shown in fig. 1, the hydrogen evacuation piping system comprises a fifth pipe joint 39, a third ball valve 40, a second needle valve 41, a flame arrester 42 and an evacuation interface 43 which are sequentially connected through a pipeline from bottom to top, wherein the fifth pipe joint 39 is arranged at the top of a hydrogen storage container 45, and the evacuation interface 43 is arranged at the upper part of the right side end of the support 1.
According to another embodiment of the present invention, as shown in fig. 1, the hydrogen gas exhaust pipeline system comprises a compressed hydrogen storage filling device 9, a hydrogen gas outlet port 8 and a first ball valve 7 which are sequentially connected from left to right through pipelines, the right end of the first ball valve 7 is further connected with a fifth pipe joint 39 and a third ball valve 40 through pipelines, and the hydrogen gas outlet port 8 is arranged at the upper part of the left end of the support 1.
According to another embodiment of the present invention, as shown in fig. 1, the sampling pipeline system includes a sampling port 4, a metal hose 5 and a first needle valve 6 which are sequentially connected from left to right through a pipeline, the right end of the first needle valve 6 is further connected with the pipeline at the right end of the first ball valve 7 through a pipeline, and the sampling port 4 is disposed at the upper portion of the left side end of the support and located at the upper end of the hydrogen outlet port 8.
According to another embodiment of the present invention, as shown in fig. 1, the instrument gas piping system includes an instrument gas interface 10 and a solenoid valve 11 connected in sequence from left to right through a pipeline, the right end of the solenoid valve 11 is further connected with a pneumatic valve 14 through a pipeline, and the instrument gas interface 10 is disposed on the support 1 and located between the hydrogen gas outlet interface 8 and the hydrogen gas inlet interface 13.
According to another embodiment of the present invention, as shown in fig. 1, the soil exhaust piping system comprises a second pipe joint 26, a soil exhaust valve 27, and a soil exhaust port 46 connected in sequence from top to bottom through a pipe, the second pipe joint 26 being provided at the bottom of a hydrogen storage vessel 45, and the soil exhaust port 46 being provided at the lower portion of the right side end of the support 1.
According to another embodiment of the present invention, as shown in fig. 1, the upper end of the right side of the hydrogen storage container 45 is further provided with a third pipe joint 32, a first meter valve 33, a pressure sensor 36, a second meter valve 34 and a pressure gauge 35 which are sequentially connected through a pipeline from left to right, and the third pipe joint 32 is arranged at the upper end of the right side of the hydrogen storage container 45.
According to another embodiment of the present invention, as shown in fig. 1, the upper portion of the hydrogen storage vessel 45 is provided with a fourth pipe joint 38 and a safety valve 47 which are connected in sequence by a pipeline, and the safety valve 47 is also connected to a pipeline between the second needle valve 41 and the flame arrester 42 by a pipeline.
According to another embodiment of the present invention, as shown in fig. 1, a manhole cover 29 is further disposed on the belly of the hydrogen storage container 45, the manhole cover 29 is connected to the hydrogen storage container 45 through a flap hinge 28 and a bolt assembly 31, and a handle 30 is disposed on the manhole cover 29; the upper part of the hydrogen storage container 45 is provided with a lifting lug 37.
According to another embodiment of the present invention, as shown in fig. 1, a manhole cover 29 is further disposed on the belly of the hydrogen storage container 45 to facilitate the maintenance, the manhole cover 29 is connected to the hydrogen storage container 45 through a flap hinge 28 and a bolt assembly 31, and a handle 30 is disposed on the manhole cover 29 to facilitate the opening of the manhole cover 29; the upper part of the hydrogen storage container 45 is provided with a lifting lug 37, which is convenient for transportation.
The system has high integration level, integrates the hydrogen storage container and a plurality of pipeline systems, is additionally provided with a security monitoring system, ensures the safe operation of equipment and has complete functions; the system is in modular design, and a plurality of systems are used as independent modules and can be integrated in the system after being manufactured in a standardized way; the system has compact structure, adopts a large hydrogen storage container, has obvious air flow buffering, and the diaphragm compressor operates stably; the system has obvious flow stabilizing and pressure stabilizing effects, the diaphragm compressor can run efficiently under full load, and meanwhile, related components can be prevented from bearing continuous impact load, and the service life of the compressor is prolonged; the bottom of the hydrogen storage volume is an arc-shaped groove, which is beneficial to timely discharging the sewage accumulated inside; the belly of the hydrogen storage container is provided with a manhole cover, so that technicians can conveniently and regularly overhaul the container; the system has the pressure on-site display function and the remote monitoring function at the same time.
Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and other modifications or equivalent substitutions made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.
Claims (7)
1. The utility model provides a fuel cell car hydrogenation station low pressure hydrogen stationary flow system which characterized in that: the device comprises a support (1) and a hydrogen storage container (45), and further comprises a security monitoring system, a hydrogen gas inlet pipeline system, a nitrogen purging and replacing system, a hydrogen gas emptying pipeline system, a hydrogen gas exhaust pipeline system, a sampling pipeline system, an instrument gas pipeline system and a sewage pipeline system arranged at the bottom of the hydrogen storage container (45);
the security monitoring system comprises a hydrogen concentration detector, a flame detector (3) and a sound-light alarm (44) which are arranged on the upper part of the support (1);
the bottom of the hydrogen storage container (45) is also provided with support legs (22), and the support legs (22) are connected with a concrete layer (23) in the ground into a whole through anchor bolts (24) and nuts (25);
the hydrogen inlet pipeline system comprises an electrolytic water hydrogen production device (12), a hydrogen inlet interface (13), a pneumatic valve (14), a first one-way valve (15), a filter (16), a mass flow meter (17) and a first pipe joint (18) which are sequentially connected from left to right through pipelines, wherein the hydrogen inlet interface (13) is arranged at the lower part of the left end of the support (1), and the first pipe joint (18) is arranged at the left end of the hydrogen storage container (45).
2. The fuel cell vehicle hydrogen station low pressure hydrogen gas flow stabilization system of claim 1, characterized by: the nitrogen purging and replacing system comprises a nitrogen interface (19), a second ball valve (20) and a second one-way valve (21) which are sequentially connected from left to right through pipelines, the right end of the second one-way valve (21) is also connected with the pipeline between the first one-way valve (15) and the filter (16) through the pipeline, and the nitrogen interface (19) is arranged at the left end of the support (1) and is located at the lower end of the hydrogen inlet interface (13).
3. The fuel cell vehicle hydrogen station low pressure hydrogen gas flow stabilization system of claim 2, characterized in that: the hydrogen evacuation piping system comprises a fifth pipe joint (39), a third ball valve (40), a second needle valve (41), a flame arrester (42) and an evacuation interface (43) which are sequentially connected through a pipeline from bottom to top, wherein the fifth pipe joint (39) is arranged at the top of a hydrogen storage container (45), and the evacuation interface (43) is arranged on the upper portion of the right side end of the support (1).
4. The fuel cell vehicle hydrogen station low pressure hydrogen gas flow stabilization system of claim 3, characterized by: the hydrogen exhaust pipeline system comprises a compression hydrogen storage filling device (9), a hydrogen gas outlet interface (8) and a first ball valve (7) which are sequentially connected from left to right through pipelines, the right end of the first ball valve (7) is further connected with a fifth pipe joint (39) and a third ball valve (40) through pipelines, and the hydrogen gas outlet interface (8) is arranged at the upper part of the left end of the support (1).
5. The fuel cell vehicle hydrogen station low pressure hydrogen gas flow stabilization system of claim 4, characterized by: sample pipe-line system includes from left to right through sample connection (4), metal collapsible tube (5) and the first needle valve (6) that the pipeline connected gradually, the right-hand member of first needle valve (6) still links to each other through the pipeline of pipeline with first ball valve (7) right-hand member, sample connection (4) set up in the left side of support (1) end upper portion and are located the upper end of hydrogen interface (8) of giving vent to anger.
6. The fuel cell vehicle hydrogen station low pressure hydrogen gas flow stabilization system of claim 5, characterized by: the instrument gas pipeline system comprises an instrument gas interface (10) and a solenoid valve (11) which are sequentially connected from left to right through pipelines, the right end of the solenoid valve (11) is further connected with a pneumatic valve (14) through a pipeline, and the instrument gas interface (10) is arranged on a support (1) and is located between a hydrogen gas outlet interface (8) and a hydrogen gas inlet interface (13).
7. The fuel cell vehicle hydrogen station low pressure hydrogen gas flow stabilization system of claim 6, wherein: the sewage draining pipeline system comprises a second pipe joint (26), a sewage draining valve (27) and a sewage draining outlet (46) which are sequentially connected from top to bottom through pipelines, the second pipe joint (26) is arranged at the bottom of the hydrogen storage container (45), and the sewage draining outlet (46) is arranged at the lower part of the right side end of the support (1);
the upper end of the right side of the hydrogen storage container (45) is also provided with a third pipe joint (32), a first meter valve (33), a pressure sensor (36), a second meter valve (34) and a pressure meter (35) which are sequentially connected from left to right through a pipeline, and the third pipe joint (32) is arranged at the upper end of the right side of the hydrogen storage container (45);
the upper part of the hydrogen storage container (45) is provided with a fourth pipe joint (38) and a safety valve (47) which are sequentially connected through a pipeline, and the safety valve (47) is also connected with a pipeline between the second needle valve (41) and the flame arrester (42) through a pipeline;
a manhole cover (29) is further arranged on the belly of the hydrogen storage container (45), the manhole cover (29) is connected with the hydrogen storage container (45) through a door-turning hinge (28) and a bolt combination (31), and a handle (30) is arranged on the manhole cover (29); the upper part of the hydrogen storage container (45) is provided with a lifting lug (37).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220214537.8U CN216079296U (en) | 2022-01-26 | 2022-01-26 | Low-pressure hydrogen steady flow system of fuel cell automobile hydrogenation station |
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| CN202220214537.8U CN216079296U (en) | 2022-01-26 | 2022-01-26 | Low-pressure hydrogen steady flow system of fuel cell automobile hydrogenation station |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024016770A1 (en) * | 2022-07-22 | 2024-01-25 | 华能罗源发电有限责任公司 | Apparatus for rapidly replacing gas in hydrogen storage tank |
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2022
- 2022-01-26 CN CN202220214537.8U patent/CN216079296U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024016770A1 (en) * | 2022-07-22 | 2024-01-25 | 华能罗源发电有限责任公司 | Apparatus for rapidly replacing gas in hydrogen storage tank |
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