CN214500891U - Portable hydrogen filling device - Google Patents
Portable hydrogen filling device Download PDFInfo
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- CN214500891U CN214500891U CN202023269420.XU CN202023269420U CN214500891U CN 214500891 U CN214500891 U CN 214500891U CN 202023269420 U CN202023269420 U CN 202023269420U CN 214500891 U CN214500891 U CN 214500891U
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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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Abstract
The utility model discloses a portable hydrogen filling device, which comprises a hydrogen direct filling pipeline, a pressurizing pipeline, a high-pressure buffer tank, a nitrogen purging pipeline and a pressurizing system which are arranged in a box body, wherein the hydrogen direct filling pipeline, the pressurizing pipeline, the high-pressure buffer tank, the nitrogen purging pipeline and the pressurizing system are all arranged in the box body; the top of the box body is provided with a lifting ring, and the bottom of the box body is provided with a plurality of universal brake wheels; one end of the air inlet pipeline is used for connecting a hydrogen source, and the other end of the air inlet pipeline is connected with a pressurization system; the hydrogen direct-charging pipeline and the pressurization pipeline are connected in parallel, one end of the hydrogen direct-charging pipeline is connected with the pressurization system, and the other end of the hydrogen direct-charging pipeline is connected with the hydrogenation gun through the hydrogenation pipeline and the hose in sequence; one end of the nitrogen purging pipeline is used for connecting a nitrogen source, and the other end of the nitrogen purging pipeline is connected with the pressurization system and the pressurization pipeline; the high-pressure buffer tank is connected with the pressurization pipeline and the hydrogen direct-charging pipeline through the buffer control valve. The filling device can realize long-distance and safe filling of the high-pressure hydrogen of the fuel cell system with the storage pressure grade of 35 MPa.
Description
Technical Field
The utility model relates to a wade hydrogen gas filling technical field, concretely relates to portable hydrogen filling device.
Background
Hydrogen energy is called the "ultimate energy source" of the 21 st century. After years of accumulation, China has originally had a condition for industrial development of hydrogen energy. Internationally, hydrogen fuel cell vehicles have entered the market introduction stage. In recent years, a series of national policy planning departments promote hydrogen energy development and fuel cell technical innovation to the national strategic altitude. Local governments and enterprises actively explore the development of the hydrogen energy industry, initially form a complete industrial chain comprising preparation, storage and transportation, application and other links, form a main hydrogen energy industry cluster such as Jingjin Ji, Changtriangle, Zhu triangle and the like widely centered in the north, and gradually radiate the cluster to peripheral areas.
Hydrogen energy is a key coal medium for the Chinese energy structure to change from the traditional fossil energy to the renewable energy. The hydrogen energy has wide application prospect in the fields of energy, transportation, industry, construction and the like, and is expected to make breakthrough progress in the fields of construction and industrial energy along with the increase of carbon emission reduction pressure and the reduction of scale application cost of the hydrogen in the future. Therefore, it is urgently needed to provide a hydrogen filling device which facilitates long-distance filling.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a portable hydrogen filling device, this filling device can realize the long distance of the fuel cell system high pressure hydrogen of 35MPa storage pressure grade, safe filling.
The utility model adopts the following specific technical proposal:
a portable hydrogen filling device comprises a box body, an air inlet pipeline, a hydrogen direct filling pipeline, a pressurization system, a high-pressure buffer tank, a hydrogenation gun and a nitrogen purging pipeline; the hydrogen direct-charging pipeline, the pressurization pipeline, the high-pressure buffer tank, the nitrogen purging pipeline and the pressurization system are all arranged in the box body;
the top of the box body is provided with a lifting ring, and the bottom of the box body is provided with a plurality of universal brake wheels;
one end of the air inlet pipeline is used for connecting a hydrogen source, and the other end of the air inlet pipeline is connected with the pressurization system; an air inlet filter, a hydrogen inlet control valve and a hydrogen inlet pressure gauge are arranged in the air inlet pipeline;
the hydrogen direct-charging pipeline and the pressurization pipeline are connected in parallel, one end of the hydrogen direct-charging pipeline is connected with the pressurization system, and the other end of the hydrogen direct-charging pipeline is connected with the hydrogenation gun through a hydrogenation pipeline and a hose in sequence;
a direct charging control valve is arranged in the hydrogen direct charging pipeline;
a hydrogen outlet control valve is arranged in the pressurization pipeline;
an on-off control valve is arranged in the hydrogenation pipeline;
the pressurization system is used for pressurizing gas and is provided with an emptying pipeline;
one end of the nitrogen purging pipeline is used for connecting a nitrogen source, and the other end of the nitrogen purging pipeline is connected with the pressurization system and the pressurization pipeline;
the high-pressure buffer tank is connected with the pressurization pipeline and the hydrogen direct filling pipeline through a buffer control valve and used for buffering hydrogen pressure fluctuation.
Furthermore, the supercharging system comprises a gas-driven booster pump and a driving gas pipeline connected with the gas-driven booster pump;
the driving gas pipeline is used for being connected with a driving gas source.
Furthermore, a driving air filter, a first driving air pressure gauge, a pressure reducing valve, a second driving air pressure gauge and a driving air control needle valve are sequentially arranged in the driving air pipeline.
Furthermore, the device also comprises a pressure switch connected with the boosting pipeline between the gas-driven booster pump and the hydrogenation gun;
the pressure switch is used for protecting the pressurization pipeline.
Furthermore, the nitrogen purging pipeline comprises a purging main pipeline, a first purging branch pipe for connecting the purging main pipeline and the gas-driven booster pump, and a second purging branch pipe for connecting the purging main pipeline and the boosting pipeline;
a nitrogen inlet control valve, a nitrogen inlet pressure gauge and a nitrogen filter are sequentially arranged in the purging main pipeline;
and a nitrogen purging and replacing control valve and a nitrogen purging and replacing one-way valve are respectively arranged in the first purging branch pipeline and the second purging branch pipeline.
Further, the hydrogen source is a hydrogen packaging grid;
the nitrogen source is a nitrogen container.
Furthermore, the device also comprises a first filling pipeline and a second filling pipeline which are connected in parallel;
the first filling pipeline and the second filling pipeline are communicated with the hydrogen direct filling pipeline and the pressurization pipeline;
the hydrogenation gun comprises a first hydrogenation gun communicated with the first filling pipeline and a second hydrogenation gun connected with the second filling pipeline;
and air outlet pressure gauges are respectively arranged in the first filling pipeline and the second filling pipeline.
Furthermore, the automatic pressure relief device also comprises an automatic pressure relief pipeline and a manual pressure relief pipeline which are connected with the pressurization pipeline;
the first connecting part of the automatic pressure relief pipeline and the pressurization pipeline and the second connecting part of the manual pressure relief pipeline and the pressurization pipeline are positioned between the gas-driven booster pump and the hydrogenation gun;
the first connecting part is positioned between the gas-driven booster pump and the second connecting part;
the other ends of the automatic pressure relief pipeline and the manual pressure relief pipeline are pressure relief ports;
and a filling one-way valve is arranged between the first connecting part and the second connecting part.
Furthermore, a safety valve and a safety valve control valve are installed in the automatic pressure relief pipeline;
and a manual emptying control valve is arranged in the manual pressure relief pipeline.
Furthermore, a filling pressure gauge is arranged in the hydrogenation pipeline between the first connecting part and the gas-driven booster pump;
the filling pressure gauge is connected with the hydrogenation pipeline through a pressure gauge control valve.
Has the advantages that:
the portable hydrogen filling device is convenient to move and carry through the lifting ring at the top and the universal brake wheel at the bottom of the box body; the hydrogen source can be connected through the air inlet pipeline, the direct charging of the hydrogen can be realized through the hydrogen direct charging pipeline, and the pressurization filling of the hydrogen with the pressure grade of 35MPa can be realized through the pressurization system and the pressurization pipeline; the nitrogen purging pipeline can purge the pressurization system and the pressurization pipeline, so that the pressurization system and the pressurization pipeline are in a low-pressure state or a non-pressure state, and the safety and the reliability of hydrogen filling can be improved; the pressure fluctuation of the hydrogen can be buffered through the high-pressure buffer tank connected with the pressurization pipeline and the hydrogen direct-filling pipeline, so that the stability and uniformity of hydrogen filling are improved; meanwhile, a hose is connected between the hydrogenation gun and the hydrogenation pipeline, the filling range of the hydrogenation gun can be increased through the length of the hose, and long-distance hydrogen filling can be realized, so that the hydrogen filling is convenient; therefore, the portable hydrogen filling device can realize the long-distance and safe filling of the high-pressure hydrogen of the fuel cell system with the storage pressure grade of 35 MPa.
Drawings
Fig. 1 is a schematic diagram of the portable hydrogen filling device of the present invention;
fig. 2 is a process flow chart of the portable hydrogen filling device of the present invention.
Wherein, 1-an air inlet pipeline, 2-a hydrogen direct filling pipeline, 3-a pressurizing pipeline, 4-an air-driven pressurizing pump, 5-a high-pressure buffer tank, 6-a buffer control valve, 7-a first hydrogenation gun, 8-a second hydrogenation gun, 9-a filling pressure gauge, 10-an air inlet filter, 11-a hydrogen inlet control valve, 12-a hydrogen outlet control valve, 13-an air discharge pipeline, 14-a driving air pipeline, 15-a pressure switch, 16-a purging main pipeline, 17-a first purging branch pipe, 18-a second purging branch pipe, 19-a nitrogen inlet control valve, 20-a nitrogen inlet pressure gauge, 21-a nitrogen filter, 22-a nitrogen purging replacement control valve, 23-a nitrogen purging replacement one-way valve and 24-a driving air filter, 25-a first driving gas pressure gauge, 26-a pressure reducing valve, 27-a second driving gas pressure gauge, 28-a driving gas control needle valve, 29-a first filling pipe, 30-a second filling pipe, 31-an automatic pressure relief pipe, 32-a manual pressure relief pipe, 33-a first connection, 34-a second connection, 35-a pressure relief port, 36-a filling check valve, 37-a safety valve, 38-a manual evacuation control valve, 39-a direct filling control valve, 40-an on-off control valve, 41-a hydrogen source, 42-a nitrogen source, 43-a driving gas source, 44-a pressure gauge control valve, 45-a hydrogen inlet pressure gauge, 46-an outlet pressure gauge
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings by way of examples.
The utility model provides a portable hydrogen filling device, as shown in figures 1 and 2, the portable hydrogen filling device comprises a box body (not shown in the figure), an air inlet pipeline 1, a hydrogen direct filling pipeline 2, a pressurizing pipeline 3, a pressurizing system, a high-pressure buffer tank 5, a hydrogenation gun and a nitrogen purging pipeline; the hydrogen direct-charging pipeline 2, the pressurization pipeline 3, the high-pressure buffer tank 5, the nitrogen purging pipeline and the pressurization system are all arranged in the box body;
the top of the box body is provided with one or more lifting rings, and the bottom of the box body is provided with a plurality of universal brake wheels; the lifting ring arranged at the top of the box body is convenient for hoisting and carrying the whole portable hydrogen filling device, and the universal brake wheel arranged at the bottom of the box body is convenient for moving the position of the whole portable hydrogen filling device, so that the portable hydrogen filling device is convenient to carry and improves the use flexibility; 3, 4 or more universal brake wheels can be arranged at the bottom of the box body; the box body can also be provided with a main function panel, a ventilation pane and a detachable door body which are provided with various outlets;
one end of the air inlet pipeline 1 is used for connecting a hydrogen source 41, and the other end of the air inlet pipeline is connected with a pressurization system; an air inlet filter 10, a hydrogen inlet control valve 11 and a hydrogen inlet pressure gauge 45 are arranged in the air inlet pipeline 1; the hydrogen source 41 may be a hydrogen packaging grid or a hydrogen storage tank;
the hydrogen direct-charging pipeline 2 and the pressurization pipeline 3 are connected in parallel, one end of the hydrogen direct-charging pipeline is connected with the pressurization system, and the other end of the hydrogen direct-charging pipeline is connected with the hydrogenation gun through the hydrogenation pipeline and the hose in sequence; the hydrogenation gun can be provided with one or two hydrogenation guns as shown in the structure of fig. 2, namely a first hydrogenation gun 7 and a second hydrogenation gun 8;
a direct charging control valve 39 is arranged in the hydrogen direct charging pipeline 2; the direct charging control valve 39 is convenient for the on-off control of the hydrogen direct charging pipeline 2;
a hydrogen outlet control valve 12 is arranged in the pressurizing pipeline 3; the on-off control of the pressurization pipeline 3 is facilitated through the hydrogen outlet control valve 12;
an on-off control valve 40 is arranged in the hydrogenation pipeline; the on-off control of the hydrogenation pipeline can be controlled by an on-off control valve 40 in the hydrogenation pipeline, and the hydrogenation pipeline can be a pipeline between the hydrogen direct charging pipeline 2 and the pressurizing pipeline 3 after being converged and a hydrogenation gun;
the pressurization system is used for pressurizing gas and is provided with an emptying pipeline 13; the hydrogen input from the air inlet pipeline 1 can be pressurized through the pressurization system so as to meet the requirement on the filling pressure grade, and the hydrogen can be pressurized to 35 MPa;
one end of the nitrogen purging pipeline is connected with a nitrogen source 42, and the other end of the nitrogen purging pipeline is connected with the pressurization system and the pressurization pipeline 3; the nitrogen purging pipeline is used for purging the pressurization system and the pressurization pipeline 3 by using nitrogen, so that the pressurization system and the pressurization pipeline 3 are in a low-pressure-bearing state or a non-pressure-bearing state, and the service life of the portable hydrogen filling device can be prolonged; the nitrogen source 42 may be a nitrogen container or a nitrogen storage tank; the nitrogen source 42 may be used as both a purge gas source for the nitrogen purge line and a drive gas source 43 for driving the gas line 14;
the high-pressure buffer tank 5 is connected with the pressurization pipeline 3 and the hydrogen direct-filling pipeline 2 through a buffer control valve 6 and is used for buffering hydrogen pressure fluctuation; as shown in the structure of fig. 1, a high-pressure buffer tank 5 is connected at the junction of the pressurization pipeline 3 and the hydrogen direct-filling pipeline 2, and the opening and closing of the high-pressure buffer tank 5 can be controlled by a buffer control valve 6; the pressure fluctuation of the hydrogen in the pipeline can be buffered through the high-pressure buffer tank 5, and then the hydrogen is pressurized and filled into a hydrogen system of the fuel cell through a hydrogenation gun; the high-pressure buffer tank 5 can also pressurize the hydrogen in the pipeline.
The portable hydrogen filling device is convenient to move and carry through the lifting ring at the top and the universal brake wheel at the bottom of the box body; the hydrogen source 41 can be connected through the air inlet pipeline 1, the direct filling of hydrogen can be realized through the hydrogen direct filling pipeline 2, and the pressurization filling of hydrogen with the pressure grade of 35MPa can be realized through the pressurization system and the pressurization pipeline 3; the pressurizing system and the pressurizing pipeline 3 can be purged through the nitrogen purging pipeline, so that the pressurizing system and the pressurizing pipeline 3 are in a low-pressure state or a non-pressure state, and the safety and the reliability of hydrogen filling can be improved; the pressure fluctuation of the hydrogen can be buffered through the high-pressure buffer tank 5 connected with the pressurization pipeline 3 and the hydrogen direct-filling pipeline 2, so that the stability and uniformity of hydrogen filling are improved; meanwhile, a hose is connected between the hydrogenation gun and the hydrogenation pipeline, the filling range of the hydrogenation gun can be increased through the length of the hose, and long-distance hydrogen filling can be realized, so that the hydrogen filling is convenient; therefore, the portable hydrogen filling device can realize the long-distance and safe filling of the high-pressure hydrogen of the fuel cell system with the storage pressure grade of 35 MPa.
In a specific embodiment, as shown in the structure of fig. 2, the supercharging system comprises a gas-driven booster pump 4 and a driving gas pipeline 14 connected with the gas-driven booster pump 4; the drive gas line 14 is used for connecting a drive gas source 43. A drive gas filter 24, a first drive gas pressure gauge 25, a pressure reducing valve 26, a second drive gas pressure gauge 27, and a drive gas control needle valve 28 are installed in the drive gas line 14 in this order.
In order to ensure that the pressure in the pressurization pipeline 3 does not exceed a set maximum pressure value, the portable hydrogen filling device further comprises a pressure switch 15 connected with the pressurization pipeline 3 between the gas-driven pressurization pump 4 and the hydrogenation gun; the pressure switch 15 is used to protect the booster circuit 3. When the pressure value in the booster pipeline 3 exceeds the set maximum pressure value, such as: 35MPa, at the moment, the pressure switch 15 is opened to reduce the pressure of the pressurization pipeline 3, so that the pressure protection is carried out on the whole portable hydrogen filling device.
As shown in the structure of fig. 1, the nitrogen purge line includes a purge main line 16, a first purge branch line 17 connecting the purge main line 16 and the gas-driven booster pump 4, and a second purge branch line 18 connecting the purge main line 16 and the booster pump 3; a nitrogen inlet control valve 19, a nitrogen inlet pressure gauge 20 and a nitrogen filter 21 are sequentially arranged in the purging main pipeline 16; a nitrogen purge replacement control valve 22 and a nitrogen purge replacement check valve 23 are installed in both the first purge branch line and the second purge branch line.
As shown in the structure of fig. 2, the portable hydrogen filling device further comprises a first filling pipeline 29 and a second filling pipeline 30 which are connected in parallel; the first filling pipeline 29 and the second filling pipeline 30 are both communicated with the hydrogen direct filling pipeline 2 and the pressurization pipeline 3; the hydrogenation gun comprises a first hydrogenation gun 7 communicated with the first filling pipeline 29 and a second hydrogenation gun 8 connected with the second filling pipeline 30; an air outlet pressure gauge 46 is installed in each of the first filling line 29 and the second filling line 30.
As shown in the structure of fig. 2, the portable hydrogen filling device further comprises an automatic pressure relief pipeline 31 and a manual pressure relief pipeline 32 which are connected with the pressurization pipeline 3; the first connecting part 33 of the automatic pressure relief pipeline 31 and the pressurization pipeline 3 and the second connecting part 34 of the manual pressure relief pipeline 32 and the pressurization pipeline 3 are positioned between the gas-driven booster pump 4 and the hydrogenation gun; the first connection 33 is located between the gas-driven booster pump 4 and the second connection 34; the other ends of the automatic pressure relief pipeline 31 and the manual pressure relief pipeline 32 are pressure relief ports 35; a filling check valve 36 is installed between the first connection portion 33 and the second connection portion 34. A safety valve 37 and a safety valve 37 control valve are arranged in the automatic pressure relief pipeline 31; a manual purge control valve 38 is mounted in the manual pressure relief line 32.
When the portable hydrogen filling device stops filling, the automatic pressure relief pipeline 31 and the manual pressure relief pipeline 32 can be used for pressure relief protection, so that pipelines and parts of the portable hydrogen filling device are in a low-pressure state or a non-pressure state, and the service life of the portable hydrogen filling device is prolonged.
As shown in the structures of fig. 1 and 2, a filling pressure gauge 9 is arranged in the hydrogenation pipeline between the first connecting part 33 and the gas-driven booster pump 4; the filling pressure gauge 9 is connected with the hydrogenation pipeline through a pressure gauge control valve 44. The pressure of the injected hydrogen is conveniently observed by the injection pressure gauge 99.
The portable hydrogen filling device is mainly suitable for fuel cells filling hydrogen with 35MPa pressure level, is used for a hydrogen storage device system with less urgent requirement on filling time, and can realize the hydrogenation rate of 1.8 kg/h; the filling distance of the hydrogenation gun can be prolonged through the hose, so that hydrogen storage device systems such as fuel cells and the like within the range of 30 meters can be filled; the portable hydrogen filling device is also suitable for filling in complex terrains, equipment with small hydrogen demand or hydrogen energy source experimental projects, and the equipment space and the floor area are small (for example, a marine hydrogen system and the like).
When the portable hydrogen filling device is purged by using nitrogen, the valve manual evacuation control valve 38, the nitrogen purging replacement control valve 22 and the nitrogen gas inlet control valve 19 are opened, and the nitrogen purging replacement control valve 22, the nitrogen gas inlet control valve 19 and the manual evacuation control valve 38 are closed after the hydrogen system is purged by using nitrogen.
The specific filling process of the portable hydrogen filling device is as follows:
before the hydrogen filling is started, the buffer control valve 6, the hydrogen outlet control valve 12, the hydrogen inlet control valve 11 and the driving gas control needle valve 28 are opened, the hydrogen high-pressure buffer tank 5 is pressurized to 35MPa, the pressurization is stopped when the filling pressure gauge 9 is read to be 35MPa, and the driving gas control needle valve 28, the buffer control valve 6, the hydrogen outlet control valve 12 and the hydrogen inlet control valve 11 are closed.
When the hydrogen system for two-cylinder hydrogen fuel cell was started, the fixed water volume was 280L, and the hydrogen storage amount was 6.538kg (pressure was 35MPa, and temperature was 25 ℃).
Primary filling (direct filling): the hydrogenation gun is connected with a hydrogenation port of a hydrogen system of the fuel cell, and a hydrogen inlet control valve 11, a direct charging control valve 39, a hydrogenation pipeline on-off control valve 40 and the hydrogen inlet control valve 11 are opened;
secondary filling (filling of a high-pressure buffer tank 5): observing that the reading of the filling pressure gauge 9 tends to be stable after filling, or closing the direct filling control valve 39 and opening the buffer control valve 6 when the change is slow;
three-stage filling (booster pump boosting filling): observing the reading of the filling pressure gauge 9, wherein the reading tends to be stable, or when the reading changes slowly, opening the hydrogen outlet control valve 12, the hydrogen inlet control valve 11 and the driving gas control needle valve 28 until the hydrogen system of the fuel cell is pressurized to 35MPa, observing the reading of the filling pressure gauge 9, and closing the driving gas control needle valve 28, the buffer control valve 6, the hydrogen outlet control valve 12 and the hydrogen inlet control valve 11 when the reading is 35 MPa; and after the hydrogenation gun is subjected to back pressure, taking out the hydrogenation gun to finish filling.
In the filling process, when the reading of the hydrogen inlet pressure gauge 45 is less than 5MPa, the hydrogen inlet control valve 11 is closed to replace a new hydrogen container grid or a new hydrogen storage tank, so that the filling efficiency is not influenced. Observing the first driving gas pressure gauge 25 and the second driving gas pressure gauge 27 to enable the driving gas pressure grade to be 0.8 MPa; and observing a nitrogen inlet pressure gauge 20, and replacing a nitrogen container grid or a nitrogen steel cylinder when the pressure is lower than 2 MPa.
When the filling is stopped, preparation is made before the filling for the second time, and the high-pressure buffer tank 5 is pressurized to 35MPa so as to be convenient for the next filling. And closing the buffer control valve 6, and opening the manual emptying control valve 38 to perform pressure relief protection on the system.
In summary, the above is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A portable hydrogen filling device is characterized by comprising a box body, an air inlet pipeline, a hydrogen direct filling pipeline, a pressurization system, a high-pressure buffer tank, a hydrogenation gun and a nitrogen purging pipeline; the hydrogen direct-charging pipeline, the pressurization pipeline, the high-pressure buffer tank, the nitrogen purging pipeline and the pressurization system are all arranged in the box body;
the top of the box body is provided with a lifting ring, and the bottom of the box body is provided with a plurality of universal brake wheels;
one end of the air inlet pipeline is used for connecting a hydrogen source, and the other end of the air inlet pipeline is connected with the pressurization system; an air inlet filter, a hydrogen inlet control valve and a hydrogen inlet pressure gauge are arranged in the air inlet pipeline;
the hydrogen direct-charging pipeline and the pressurization pipeline are connected in parallel, one end of the hydrogen direct-charging pipeline is connected with the pressurization system, and the other end of the hydrogen direct-charging pipeline is connected with the hydrogenation gun through a hydrogenation pipeline and a hose in sequence;
a direct charging control valve is arranged in the hydrogen direct charging pipeline;
a hydrogen outlet control valve is arranged in the pressurization pipeline;
an on-off control valve is arranged in the hydrogenation pipeline;
the pressurization system is used for pressurizing gas and is provided with an emptying pipeline;
one end of the nitrogen purging pipeline is used for connecting a nitrogen source, and the other end of the nitrogen purging pipeline is connected with the pressurization system and the pressurization pipeline;
the high-pressure buffer tank is connected with the pressurization pipeline and the hydrogen direct filling pipeline through a buffer control valve and used for buffering hydrogen pressure fluctuation.
2. A portable hydrogen filling apparatus as defined in claim 1 wherein said booster system comprises a gas-driven booster pump and a drive gas line connected to said gas-driven booster pump;
the driving gas pipeline is used for being connected with a driving gas source.
3. A portable hydrogen filling apparatus as defined in claim 2, wherein a driving gas filter, a first driving gas pressure gauge, a pressure reducing valve, a second driving gas pressure gauge, and a driving gas control needle valve are installed in said driving gas line in this order.
4. A portable hydrogen filling apparatus as defined in claim 3, further comprising a pressure switch connected to said pressurizing line between said gas-driven pressurizing pump and said hydrogenating gun;
the pressure switch is used for protecting the pressurization pipeline.
5. The portable hydrogen filling apparatus according to claim 4, wherein the nitrogen purge line includes a purge main line, a first purge branch line connecting the purge main line and the gas-driven booster pump, and a second purge branch line connecting the purge main line and the booster pump;
a nitrogen inlet control valve, a nitrogen inlet pressure gauge and a nitrogen filter are sequentially arranged in the purging main pipeline;
and a nitrogen purging and replacing control valve and a nitrogen purging and replacing one-way valve are respectively arranged in the first purging branch pipeline and the second purging branch pipeline.
6. A portable hydrogen gas filling apparatus as defined in claim 5, wherein said hydrogen source is a hydrogen gas container;
the nitrogen source is a nitrogen container.
7. A portable hydrogen gas filling apparatus as defined in claim 6, further comprising a first filling line and a second filling line connected in parallel;
the first filling pipeline and the second filling pipeline are communicated with the hydrogen direct filling pipeline and the pressurization pipeline;
the hydrogenation gun comprises a first hydrogenation gun communicated with the first filling pipeline and a second hydrogenation gun connected with the second filling pipeline;
and air outlet pressure gauges are respectively arranged in the first filling pipeline and the second filling pipeline.
8. A portable hydrogen filling apparatus according to claim 7, further comprising an automatic pressure relief line and a manual pressure relief line connecting said pressurization line;
the first connecting part of the automatic pressure relief pipeline and the pressurization pipeline and the second connecting part of the manual pressure relief pipeline and the pressurization pipeline are positioned between the gas-driven booster pump and the hydrogenation gun;
the first connecting part is positioned between the gas-driven booster pump and the second connecting part;
the other ends of the automatic pressure relief pipeline and the manual pressure relief pipeline are pressure relief ports;
and a filling one-way valve is arranged between the first connecting part and the second connecting part.
9. A portable hydrogen filling apparatus as defined in claim 8, wherein a safety valve and a safety valve control valve are installed in said automatic pressure relief line;
and a manual emptying control valve is arranged in the manual pressure relief pipeline.
10. A portable hydrogen gas filling apparatus as defined in claim 9, wherein a filling pressure gauge is installed in said hydrogenation line between said first connection portion and said gas-driven booster pump;
the filling pressure gauge is connected with the hydrogenation pipeline through a pressure gauge control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023269420.XU CN214500891U (en) | 2020-12-29 | 2020-12-29 | Portable hydrogen filling device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023269420.XU CN214500891U (en) | 2020-12-29 | 2020-12-29 | Portable hydrogen filling device |
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| CN214500891U true CN214500891U (en) | 2021-10-26 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113915520A (en) * | 2021-10-29 | 2022-01-11 | 株洲国创轨道科技有限公司 | Movable hydrogen filling system for rail transit vehicle |
| CN114198632A (en) * | 2021-12-02 | 2022-03-18 | 武汉氢能与燃料电池产业技术研究院有限公司 | Marine fuel cell system hydrogenation device based on alloy storage technology |
| CN114790975A (en) * | 2022-05-11 | 2022-07-26 | 上海氢枫能源技术有限公司 | Hydraulic drive hydrogen compressor |
-
2020
- 2020-12-29 CN CN202023269420.XU patent/CN214500891U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113915520A (en) * | 2021-10-29 | 2022-01-11 | 株洲国创轨道科技有限公司 | Movable hydrogen filling system for rail transit vehicle |
| CN114198632A (en) * | 2021-12-02 | 2022-03-18 | 武汉氢能与燃料电池产业技术研究院有限公司 | Marine fuel cell system hydrogenation device based on alloy storage technology |
| CN114790975A (en) * | 2022-05-11 | 2022-07-26 | 上海氢枫能源技术有限公司 | Hydraulic drive hydrogen compressor |
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