CN212584719U - Hydrogen storage system for compressed hydrogen - Google Patents
Hydrogen storage system for compressed hydrogen Download PDFInfo
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- CN212584719U CN212584719U CN202020907562.5U CN202020907562U CN212584719U CN 212584719 U CN212584719 U CN 212584719U CN 202020907562 U CN202020907562 U CN 202020907562U CN 212584719 U CN212584719 U CN 212584719U
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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
- 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
The utility model provides a hydrogen storage system for compressing hydrogen, which comprises a compressor, a hydrogen input pipe, a hydrogen output pipe, a main input pipe and a bottle group system; the hydrogen input pipe is provided with a hydrogen input ball valve and a hydrogen input check valve; the bottle group system comprises a hydrogen conveying pipe, a hydrogen output pipe and a hydrogen storage bottle; a hydrogen output valve is arranged on the hydrogen output pipe; one end of the hydrogen conveying pipe is communicated with the main input pipe, the other end of the hydrogen conveying pipe is provided with a needle valve, and the other end of the hydrogen conveying pipe is communicated with the hydrogen storage bottle; the hydrogen conveying pipe is provided with a first valve, a hydrogen storage check valve and a second valve; the bottle group system is provided with three groups, including a low-pressure bottle group system, a medium-pressure bottle group system and a high-pressure bottle group system; after the compressor compresses the hydrogen, the hydrogen storage bottles are grouped to store the hydrogen with different pressures, so that when the hydrogen storage bottles are hydrogenated, the pressure of the hydrogen can be effectively utilized and is input into the hydrogen storage bottles with different pressures according to the pressure of the hydrogen, and the pressure loss is reduced.
Description
Technical Field
The utility model relates to a technical field of hydrogen storage, especially a hydrogen storage system of compressed hydrogen.
Background
The fuel cell automobile technology is a high-efficiency zero-emission clean automobile technology which takes hydrogen as fuel and converts the hydrogen into electric energy through a fuel cell to be used as a power source; in the storage of hydrogen fuel, the existing hydrogen storage equipment on the market is single, the situation of short supply and short demand sometimes occurs, the pressure intensity of hydrogen stored in the existing hydrogen storage bottle is basically consistent, the problem of pressure loss occurs when the hydrogen storage bottle is filled with hydrogen, and the working efficiency is reduced; in addition, hydrogen cannot be mixed with air, and the existing hydrogen storage system is lack of cleaning of an input pipeline of a hydrogen storage bottle.
SUMMERY OF THE UTILITY MODEL
In view of the above, an object of the present invention is to provide a hydrogen storage system for compressed hydrogen, which reduces pressure loss and improves work efficiency.
To achieve the purpose, the utility model adopts the following technical proposal:
a hydrogen storage system for compressing hydrogen comprises a compressor, a hydrogen input pipe, a hydrogen output pipe, a main input pipe and a bottle group system; the output end of the hydrogen input pipe is communicated to the hydrogen input end of the compressor; the input end of the hydrogen output pipe is communicated to the hydrogen output end of the compressor; the hydrogen input pipe is provided with a hydrogen input ball valve and a hydrogen input check valve; the bottle group system comprises a hydrogen conveying pipe, a hydrogen output pipe and a hydrogen storage bottle; a hydrogen output valve is arranged on the hydrogen output pipe; one end of the hydrogen conveying pipe is communicated with the main input pipe, the other end of the hydrogen conveying pipe is provided with a needle valve, and the other end of the hydrogen conveying pipe is communicated with the hydrogen storage bottle; the hydrogen conveying pipe is provided with a first valve, a hydrogen storage check valve and a second valve, the hydrogen storage check valve is arranged between the first valve and the second valve, the hydrogen output pipe is communicated to the hydrogen conveying pipe, and the input end of the hydrogen output pipe is positioned between the hydrogen storage check valve and the first valve; the bottle group system is provided with three groups, including a low-pressure bottle group system, a medium-pressure bottle group system and a high-pressure bottle group system; the main input pipe is respectively connected with each group of bottle group systems.
Preferably, the cylinder group system further comprises a standby hydrogen storage cylinder, an input end of the standby hydrogen storage cylinder is communicated to the hydrogen conveying pipe, and a standby ball valve is arranged at the input end of the standby hydrogen storage cylinder.
Preferably, the system further comprises a second nitrogen pipe, wherein the input end of the second nitrogen pipe is a nitrogen input end, and the output end of the second nitrogen pipe is communicated to the main input pipe; the second nitrogen pipe is equipped with fourth nitrogen gas ball valve, fifth nitrogen gas ball valve and second nitrogen gas check valve, the second nitrogen gas check valve set up in between fourth nitrogen gas ball valve and the fifth nitrogen gas ball valve.
Preferably, the cylinder group system further comprises a second gas release pipe, one end of the second gas release pipe is communicated to the hydrogen conveying pipe, and the end of the second gas release pipe is positioned between the first valve and the hydrogen storage check valve; the output end of the second air release pipe is a release output end, and a second needle valve is arranged on the second air release pipe.
The utility model has the advantages that:
the utility model provides a hydrogen storage system of compressed hydrogen according to above-mentioned content compresses the back to hydrogen through the compressor, the hydrogen of hydrogen storage bottle group storage different pressures, when hydrogenation to hydrogen storage bottle, can effectively utilize the pressure of hydrogen, inputs the hydrogen storage bottle of different pressures according to the pressure of hydrogen, reduces the loss of pressure, improves work efficiency.
Drawings
Fig. 1 is an overall schematic view of the present invention;
fig. 2 is a schematic view of a bottle set system according to the present invention.
Wherein: compressor 31, hydrogen input 311, hydrogen output 312, hydrogen input pipe 32, hydrogen input ball valve 321, hydrogen input check valve 322, hydrogen output pipe 33, main input pipe 41, second nitrogen pipe 411, fourth nitrogen ball valve 4111, fifth nitrogen ball valve 4112, second nitrogen check valve 4113, nitrogen input 4114, cylinder group system 42, low-pressure cylinder group system 4201, medium-pressure cylinder group system 4202, high-pressure cylinder group system 4203, hydrogen input pipe 421, first valve 4211, hydrogen storage check valve 4212, second valve 4213, second gas release pipe 4214, second needle valve 4215, release output 4216, hydrogen output pipe 422, hydrogen storage cylinder 423, backup hydrogen storage cylinder 426, and backup ball valve 4261.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
As shown in fig. 1-2, a hydrogen storage system for compressing hydrogen comprises a compressor 31, a hydrogen input pipe 32, a hydrogen output pipe 33, a main input pipe 41 and a bottle group system 42; the output end of the hydrogen input pipe 32 is communicated to the hydrogen input end 311 of the compressor 31; the input end of the hydrogen output pipe 33 is communicated to the hydrogen output end 312 of the compressor 31; the hydrogen input pipe 32 is provided with a hydrogen input ball valve 321 and a hydrogen input check valve 322; the cylinder group system 42 comprises a hydrogen conveying pipe 421, a hydrogen output pipe 422 and a hydrogen storage cylinder 423; a hydrogen output valve 4221 is arranged on the hydrogen output pipe 422; one end of the hydrogen conveying pipe 421 is communicated with the main input pipe 41, the other end of the hydrogen conveying pipe 421 is provided with a needle valve, and the other end of the hydrogen conveying pipe 421 is communicated with the hydrogen storage bottle 423; the hydrogen pipe 421 is provided with a first valve 4211, a hydrogen storage check valve 4212 and a second valve 4213, the hydrogen storage check valve 4212 is arranged between the first valve 4211 and the second valve 4213, the hydrogen output pipe 422 is communicated to the hydrogen pipe 421, and the input end of the hydrogen output pipe 422 is positioned between the hydrogen storage check valve 4212 and the first valve 4211; the battery system 42 is provided with three groups, including a low pressure battery system 4201, a medium pressure battery system 4202, and a high pressure battery system 4203; the main input pipe 41 is connected to each group of the bottle group systems 42.
Specifically, the compressor 31 is an existing compressor, and a hydrogen input end 311 of the compressor 31 is communicated with the hydrogen input pipe 32 and communicated with the hydrogen discharge system 2 through the hydrogen input pipe 32; when the hydrogen input ball valve 321 is opened, the hydrogen unloading system 2 will input hydrogen into the compressor 31, and the hydrogen input check valve 322 can prevent the hydrogen from flowing back to the hydrogen unloading system 2; the compressor 31 compresses hydrogen to increase the pressure of the hydrogen, and then the hydrogen is output to the hydrogen output pipe 32 from the hydrogen output end 312 and is conveyed to the hydrogenation system 5 to hydrogenate the hydrogenation vehicle, so that the compressed hydrogen has higher pressure, and the hydrogenation efficiency of the hydrogenation station can be improved; when hydrogen needs to be filled into the hydrogen storage bottle 423, the first valve 4211, the second valve 4213 and a needle valve corresponding to the hydrogen storage bottle 423 are opened, hydrogen is input from the input end of the main input pipe 41 and is input into the hydrogen storage bottle 423 after passing through the hydrogen conveying pipe 421, when hydrogen needs to be provided outside the hydrogen storage bottle 423, the needle valve of the hydrogen storage bottle 423 is opened, the first valve 4211 is opened, hydrogen flows out from the hydrogen storage bottle 423, the hydrogen conveying pipe 421 is provided with the hydrogen storage check valve 4212 on the hydrogen conveying pipe 421, the backflow of the hydrogen can be prevented, so that the hydrogen cannot pass through the hydrogen conveying pipe 421, the hydrogen flows out from the hydrogen conveying pipe 422, and is output to the hydrogenation system to hydrogenate the hydrogenation vehicle; at least three groups of the bottle group systems 42, and three groups of the bottle group systems 42 store hydrogen with different pressures, when a vehicle is hydrogenated in a hydrogenation station, hydrogen can be obtained from the bottle group systems 42 with different pressures as required, generally, the needle valve of the bottle group system 42 with lower pressure is opened first, the hydrogenation machine 51 obtains hydrogen, the hydrogen is injected into the vehicle, when the hydrogen pressure of the hydrogenation vehicle reaches the pressure of the hydrogen in the bottle group system 42 with lower pressure, the needle valve of the bottle group system 42 with lower pressure is closed, the needle valve of the bottle group system 42 with higher pressure is opened, the hydrogenation system 5 injects hydrogen into the vehicle, the hydrogen is obtained from the hydrogen storage bottle 423 with low pressure to high pressure in sequence, the hydrogen pressure difference between the hydrogen storage bottle and the vehicle is relatively stable, and the pressure stability, the hydrogen can be realized by the hydrogen hydrogenation of the hydrogen storage system, And (4) a stable gas filling mode.
Further, the cylinder group system 42 further includes a spare hydrogen storage cylinder 426, an input end of the spare hydrogen storage cylinder 426 is communicated to the hydrogen pipe 421, and an input end of the spare hydrogen storage cylinder 426 is provided with a spare ball valve 4261.
Specifically, the wider the current fuel cell vehicle is, the less supply and demand are provided by only one set of hydrogen storage bottle 423 group, so the utility model is provided with the spare hydrogen storage bottle 426, and the input end and the output end of the spare hydrogen storage bottle 426 share one port; and the quantity of reserve hydrogen storage bottle 426 is the twice of hydrogen storage bottle 23, works as the hydrogen of hydrogen storage bottle 23 group has used up, just can open reserve ball valve 4261, follows reserve hydrogen storage bottle 426 acquires hydrogen, improves the utility model discloses a hydrogen storage capacity.
Further, a second nitrogen pipe 411 is further included, an input end of the second nitrogen pipe 411 is a nitrogen input end 4114, and an output end of the second nitrogen pipe 411 is communicated to the main input pipe 41; the second nitrogen pipe 411 is provided with a fourth nitrogen ball valve 4111, a fifth nitrogen ball valve 4112 and a second nitrogen check valve 4113, and the second nitrogen check valve 4113 is disposed between the fourth nitrogen ball valve 4111 and the fifth nitrogen ball valve 4112.
Specifically, from the total input pipe 41 to in the pipeline between the hydrogen storage bottle 423, other impurity gases such as air may be accumulated, the utility model discloses be equipped with the second nitrogen pipe 411, open fourth nitrogen ball valve 4111 and second nitrogen check valve 4113 on the second nitrogen pipe 411, through the second nitrogen pipe 411 to let in nitrogen gas in the total input pipe 41, to total input pipe 41 and hydrogen transmission pipe 421 sweep, blow out the impurity gas in total input pipe 41 and hydrogen transmission pipe 421 through nitrogen gas, through guaranteeing not having impurity gas in the pipeline, avoid hydrogen and intraductal air mixing to lead to the possibility of hydrogen explosion; the second nitrogen check valve 4113 prevents gas from flowing backward through the main input pipe 41.
Further, the cylinder set system 42 further comprises a second gas releasing pipe 4214, one end of the second gas releasing pipe 4214 is connected to the hydrogen pipe 421, and the end is located between the first valve 4211 and the hydrogen storage check valve 4212; the output end of the second air release pipe 4214 is a release output end 4216, and a second needle valve 4215 is arranged on the second air release pipe 4214.
Specifically, when there is impurity gas between the hydrogen storage cylinder 423 and the main input pipe 41, the second needle valve 4215 of the second gas releasing pipe 4214 may be opened, and the hydrogen storage check valve 4212 may prevent gas from flowing backwards, so that the gas is discharged from the second gas releasing pipe 4214 to the gas releasing pipe 6 after passing through the main input pipe 41 from the hydrogen storage cylinder 423, and the gas is released, thereby ensuring that there is no impurity gas in the system.
The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.
Claims (4)
1. A hydrogen storage system for compressing hydrogen gas, comprising: comprises a compressor, a hydrogen input pipe, a hydrogen output pipe, a main input pipe and a bottle group system; the output end of the hydrogen input pipe is communicated to the hydrogen input end of the compressor; the input end of the hydrogen output pipe is communicated to the hydrogen output end of the compressor; the hydrogen input pipe is provided with a hydrogen input ball valve and a hydrogen input check valve; the bottle group system comprises a hydrogen conveying pipe, a hydrogen output pipe and a hydrogen storage bottle; a hydrogen output valve is arranged on the hydrogen output pipe; one end of the hydrogen conveying pipe is communicated with the main input pipe, the other end of the hydrogen conveying pipe is provided with a needle valve, and the other end of the hydrogen conveying pipe is communicated with the hydrogen storage bottle; the hydrogen conveying pipe is provided with a first valve, a hydrogen storage check valve and a second valve, the hydrogen storage check valve is arranged between the first valve and the second valve, the hydrogen output pipe is communicated to the hydrogen conveying pipe, and the input end of the hydrogen output pipe is positioned between the hydrogen storage check valve and the first valve; the bottle group system is provided with three groups, including a low-pressure bottle group system, a medium-pressure bottle group system and a high-pressure bottle group system; the main input pipe is respectively connected with each group of bottle group systems.
2. A hydrogen storage system for compressing hydrogen gas as recited in claim 1, further comprising: the cylinder group system further comprises a standby hydrogen storage cylinder, the input end of the standby hydrogen storage cylinder is communicated to the hydrogen conveying pipe, and the input end of the standby hydrogen storage cylinder is provided with a standby ball valve.
3. A hydrogen storage system for compressing hydrogen gas as recited in claim 1, further comprising: the input end of the second nitrogen pipe is a nitrogen input end, and the output end of the second nitrogen pipe is communicated to the main input pipe; the second nitrogen pipe is equipped with fourth nitrogen gas ball valve, fifth nitrogen gas ball valve and second nitrogen gas check valve, the second nitrogen gas check valve set up in between fourth nitrogen gas ball valve and the fifth nitrogen gas ball valve.
4. A hydrogen storage system for compressing hydrogen gas as recited in claim 1, further comprising: the cylinder group system also comprises a second air release pipe, one end of the second air release pipe is communicated to the hydrogen conveying pipe, and the end of the second air release pipe is positioned between the first valve and the hydrogen storage check valve; the output end of the second air release pipe is a release output end, and a second needle valve is arranged on the second air release pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020907562.5U CN212584719U (en) | 2020-05-26 | 2020-05-26 | Hydrogen storage system for compressed hydrogen |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020907562.5U CN212584719U (en) | 2020-05-26 | 2020-05-26 | Hydrogen storage system for compressed hydrogen |
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| CN212584719U true CN212584719U (en) | 2021-02-23 |
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| CN202020907562.5U Active CN212584719U (en) | 2020-05-26 | 2020-05-26 | Hydrogen storage system for compressed hydrogen |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113606495A (en) * | 2021-08-05 | 2021-11-05 | 上海氢枫能源技术有限公司 | Modular intelligent valve system |
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2020
- 2020-05-26 CN CN202020907562.5U patent/CN212584719U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113606495A (en) * | 2021-08-05 | 2021-11-05 | 上海氢枫能源技术有限公司 | Modular intelligent valve system |
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