CN215259195U - Hydrogenation station low pressure hydrogen dump system - Google Patents
Hydrogenation station low pressure hydrogen dump system Download PDFInfo
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- CN215259195U CN215259195U CN202121184198.5U CN202121184198U CN215259195U CN 215259195 U CN215259195 U CN 215259195U CN 202121184198 U CN202121184198 U CN 202121184198U CN 215259195 U CN215259195 U CN 215259195U
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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
The utility model relates to a hydrogen storage field in hydrogenation station provides a hydrogen station low pressure hydrogen dump system, include: the hydrogen long tube trailer, unload gas cabinet, first detecting element, first pneumatic valve, first check valve, first hydrogen storage tank, compressor, second check valve, second hydrogen storage tank, second detecting element, second pneumatic valve and hydrogenation unit. The utility model discloses with being less than 6 MPa's hydrogen make full use of in the long tube trailer, both reduced the cost of transportation, increased hydrogen conveying efficiency again, reduced the safe risk on the way of hydrogen transportation, improved the availability factor of hydrogen fuel.
Description
Technical Field
The utility model relates to a hydrogen storage field in hydrogenation station especially relates to a hydrogen station low pressure hydrogen dump system.
Background
At present most hydrogen at hydrogenation station all is through long tube trailer transportation, long tube trailer leaves and supplies the vehicle filling as hydrogen source storage on the hydrogenation station, because of the equipment restriction at hydrogenation station, long tube trailer's remaining atmospheric pressure value just can't use when reducing to 6Mpa from 20MPa, unable reuse diaphragm compressor compresses, thereby need to transport remaining 6MPa hydrogen back gas along with long tube trailer and fill the gas filling company and fill the dress once more, just so cause remaining 6 PMa's hydrogen to stay unable use in long tube trailer, both increase the cost of transportation, transportation safety risk has been increased again.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at solves and is less than the unable technical problem that uses of 6 MPa's hydrogen among the prior art in the long-tube trailer.
In order to achieve the above object, the present invention provides a hydrogen station low pressure hydrogen dump system, which comprises: the device comprises a hydrogen long pipe trailer, a gas unloading cabinet, a first detection unit, a first pneumatic valve, a first check valve, a first hydrogen storage tank, a compressor, a second check valve, a second hydrogen storage tank, a second detection unit, a second pneumatic valve and a hydrogenation unit;
the gas outlet of the hydrogen long-tube trailer is connected with the gas inlet of the gas unloading cabinet, the gas outlet of the gas unloading cabinet is connected with the gas inlet of the first detection unit, the gas outlet of the second pneumatic valve and the gas inlet of the hydrogenation unit, and the gas outlet of the first detection unit is connected with the gas inlet of the first pneumatic valve;
the gas outlet of first pneumatic valve with the air inlet of first hydrogen storage tank with the air inlet of first check valve is connected, the gas outlet of first hydrogen storage tank with the air inlet of compressor is connected, the gas outlet of compressor with the air inlet of second check valve is connected, the gas outlet of second check valve with the first air inlet of second hydrogen storage tank is connected, the gas outlet of first check valve with the second air inlet of second hydrogen storage tank is connected, the gas outlet of second hydrogen storage tank with the air inlet of second detecting element is connected, the gas outlet of second detecting element with the air inlet of second pneumatic valve is connected.
Preferably, the method further comprises the following steps: a hydrogen detection unit and a detection center;
the hydrogen detection unit is electrically connected with the detection center;
the hydrogen detection unit is used for detecting the hydrogen concentration in the environment, and the detection center is used for receiving the data collected by each unit.
Preferably, the first detection unit includes: a first pressure sensor and a first temperature sensor;
one end of the first pressure sensor is connected with the air outlet of the air unloading cabinet and the air inlet of the first pneumatic valve, and the other end of the first pressure sensor is electrically connected with the detection center;
one end of the first temperature sensor is connected with an air outlet of the air unloading cabinet and an air inlet of the first pneumatic valve; the other end of the first temperature sensor is electrically connected with the detection center.
Preferably, the second detection unit includes: a second pressure sensor and a second temperature sensor;
one end of the second pressure sensor is connected with the air outlet of the second hydrogen storage tank and the air inlet of the second pneumatic valve, and the other end of the second pressure sensor is electrically connected with the detection center;
one end of the second temperature sensor is connected with the air outlet of the second hydrogen storage tank and the air inlet of the second pneumatic valve, and the other end of the second temperature sensor is electrically connected with the detection center.
Preferably, the first check valve and the second check valve are both one-way valves;
hydrogen can only flow from the gas inlet of the first check valve to the gas outlet of the first check valve;
hydrogen can only flow from the inlet port of the second check valve to the outlet port of the second check valve.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the hydrogen which is lower than 6MPa in the long tube trailer is fully utilized, so that the transportation cost is reduced, the hydrogen transportation efficiency is increased, the safety risk in the hydrogen transportation process is reduced, and the use efficiency of the hydrogen fuel is improved.
Drawings
The present invention will be further explained with reference to the drawings and the embodiments;
FIG. 1 is a block diagram of an embodiment of the present invention;
the system comprises a hydrogen long pipe trailer 1, a gas unloading cabinet 2, a first detection unit 3, a first pneumatic valve 4, a first check valve 5, a first hydrogen storage tank 6, a compressor 7, a second check valve 8, a second hydrogen storage tank 9, a second detection unit 10, a second pneumatic valve 11, a hydrogenation unit 12, a hydrogen detection unit 13 and a detection center 14.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Referring to fig. 1, the present invention provides a low pressure hydrogen dump system for a hydrogen refueling station, comprising: the device comprises a hydrogen long pipe trailer 1, an air unloading cabinet 2, a first detection unit 3, a first pneumatic valve 4, a first check valve 5, a first hydrogen storage tank 6, a compressor 7, a second check valve 8, a second hydrogen storage tank 9, a second detection unit 10, a second pneumatic valve 11 and a hydrogenation unit 12;
the gas outlet of the hydrogen long-tube trailer 1 is connected with the gas inlet of the gas unloading cabinet 2, the gas outlet of the gas unloading cabinet 2 is connected with the gas inlet of the first detection unit 3, the gas outlet of the second pneumatic valve 11 and the gas inlet of the hydrogenation unit 12, and the gas outlet of the first detection unit 3 is connected with the gas inlet of the first pneumatic valve 4;
the gas outlet of first pneumatic valve 4 with the air inlet of first hydrogen storage tank 6 with the air inlet of first check valve 5 is connected, the gas outlet of first hydrogen storage tank 6 with the air inlet of compressor 7 is connected, the gas outlet of compressor 7 with the air inlet of second check valve 8 is connected, the gas outlet of second check valve 8 with the first air inlet of second hydrogen storage tank 9 is connected, the gas outlet of first check valve 5 with the second air inlet of second hydrogen storage tank 9 is connected, the gas outlet of second hydrogen storage tank 9 with the air inlet of second detecting element 10 is connected, the gas outlet of second detecting element 10 with the air inlet of second pneumatic valve 11 is connected.
In this embodiment, the method further includes: a hydrogen gas detection unit 13 and a detection center 14;
the hydrogen detection unit 13 is electrically connected with the detection center 14;
the hydrogen detection unit 13 is used for detecting the hydrogen concentration in the environment, and the detection center 14 is used for receiving data collected by each unit;
in specific implementation, the hydrogen gas detection unit 13 includes a plurality of hydrogen concentration detectors, and the hydrogen concentration detectors are disposed above the compressor 7, the first hydrogen storage tank 6, and the second hydrogen storage tank 9, and are configured to detect the hydrogen concentration around each hydrogen concentration detector in real time, and when any one of the hydrogen concentration detectors detects that the hydrogen concentration exceeds a preset threshold, it indicates that hydrogen gas leakage occurs, and immediately stops the operation of the compressor 7 and closes the first pneumatic valve 4 and the second pneumatic valve 11.
In this embodiment, the first detecting unit 3 includes: a first pressure sensor and a first temperature sensor;
one end of the first pressure sensor is connected with the air outlet of the air unloading cabinet 2 and the air inlet of the first pneumatic valve 4, and the other end of the first pressure sensor is electrically connected with the detection center 14;
one end of the first temperature sensor is connected with the air outlet of the air unloading cabinet 2 and the air inlet of the first pneumatic valve 4; the other end of the first temperature sensor is electrically connected with the detection center 14;
in concrete implementation, the first pressure sensor detects the air pressure value inside the first hydrogen storage tank 6 in real time, and the first temperature sensor detects the temperature value inside the first hydrogen storage tank 6 in real time
In this embodiment, the second detecting unit 10 includes: a second pressure sensor and a second temperature sensor;
one end of the second pressure sensor is connected with the air outlet of the second hydrogen storage tank 9 and the air inlet of the second pneumatic valve 11, and the other end of the second pressure sensor is electrically connected with the detection center 14;
one end of the second temperature sensor is connected with the air outlet of the second hydrogen storage tank 9 and the air inlet of the second pneumatic valve 11, and the other end of the second temperature sensor is electrically connected with the detection center 14;
in the concrete implementation, the second pressure sensor detects the air pressure value inside the second hydrogen storage tank 9 in real time, and the second temperature sensor detects the temperature value inside the second hydrogen storage tank 9 in real time.
In this embodiment, the first check valve 5 and the second check valve 8 are both check valves;
hydrogen can only flow from the inlet of the first check valve 5 to the outlet of the first check valve 5;
hydrogen can only flow from the inlet of the second non-return valve 8 to the outlet of the second non-return valve 8.
The utility model provides a pair of hydrogenation station low pressure hydrogen dump system's work flow does:
s1: detecting the residual air pressure value of the hydrogen long-tube trailer 1 in real time; if the residual air pressure value is lower than 6Mpa, the first air-operated valve 4 is opened, the second air-operated valve 11 is closed, and the process goes to step S2; otherwise, the first and second air-operated valves 4 and 11 are closed;
in the concrete implementation, when the residual air pressure value of the hydrogen long-tube trailer 1 is more than 6Mpa, the second air inlets of the first pneumatic valve 4, the first check valve 5 and the second hydrogen storage tank 9 can be opened, the air inlet of the first hydrogen storage tank 6 is closed, and at the moment, the hydrogen in the hydrogen long-tube trailer 1 can be directly input into the second hydrogen storage tank 9 for storage;
s2: open the air inlet of first hydrogen storage tank 6, close the gas outlet of first hydrogen storage tank 6, with the first hydrogen storage tank 6 of hydrogen input of hydrogen long tube trailer 1, the inside atmospheric pressure value P of first hydrogen storage tank 6 of first detecting element 3 real-time detection1And an internal temperature value T1(ii) a If the internal pressure value P of the first hydrogen storage tank 6 is small1And an internal temperature value T1When both the preset values are reached, the air inlets of the first pneumatic valve 4 and the first hydrogen storage tank 6 are closed, and the process goes to step S3; otherwise, repeating step S2;
s3: starting the compressor 7, opening the gas outlet of the first hydrogen storage tank 6, the first gas inlet of the second check valve 8 and the second hydrogen storage tank 9, closing the gas outlet of the second hydrogen storage tank 9, inputting the hydrogen in the first hydrogen storage tank 6 into the compressor 7 for pressurization, pressurizing the hydrogen of 6Mpa by the compressor 7 to 10Mpa and then inputting the hydrogen into the second hydrogen storage tank 9, and detecting the internal pressure value P of the second hydrogen storage tank 9 by the second detecting unit 10 in real time2And an internal temperature value T2(ii) a If the internal pressure value P of the second hydrogen storage tank 9 is small2And an internal temperature value T2When the preset values are both reached, the second pneumatic valve 11 and the gas outlet of the second hydrogen storage tank 9 are opened, the first gas inlet and the second check valve 8 of the second hydrogen storage tank 9 are closed, and 10Mpa hydrogen is input into the hydrogenation unit 12; otherwise, repeating step S3;
in concrete implementation, the internal pressure value P of the first hydrogen storage tank 61And the internal temperature value T1Is specifically set according to the type of the first hydrogen storage tank 6, and the internal air pressure value P of the second hydrogen storage tank 92And the internal temperature value T2Are specifically set according to the model of the second hydrogen storage tank 9.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or system that comprises the element.
The above embodiment numbers of the present invention are only for description, and do not represent the advantages and disadvantages of the embodiments. In the unit claims enumerating several means, several of these means may be embodied by one and the same item of hardware. The use of the words first, second, third and the like do not denote any order, but rather the words first, second and the like may be interpreted as indicating any order.
The above is only the preferred embodiment of the present invention, and not the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings or the direct or indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (5)
1. A hydrogen station low pressure hydrogen dump system, comprising: the device comprises a hydrogen long pipe trailer (1), an air unloading cabinet (2), a first detection unit (3), a first pneumatic valve (4), a first check valve (5), a first hydrogen storage tank (6), a compressor (7), a second check valve (8), a second hydrogen storage tank (9), a second detection unit (10), a second pneumatic valve (11) and a hydrogenation unit (12);
the gas outlet of the hydrogen long-tube trailer (1) is connected with the gas inlet of the gas unloading cabinet (2), the gas outlet of the gas unloading cabinet (2) is connected with the gas inlet of the first detection unit (3), the gas outlet of the second pneumatic valve (11) and the gas inlet of the hydrogenation unit (12), and the gas outlet of the first detection unit (3) is connected with the gas inlet of the first pneumatic valve (4);
the gas outlet of first pneumatic valve (4) with the air inlet of first hydrogen storage tank (6) with the air inlet of first check valve (5) is connected, the gas outlet of first hydrogen storage tank (6) with the air inlet of compressor (7) is connected, the gas outlet of compressor (7) with the air inlet of second check valve (8) is connected, the gas outlet of second check valve (8) with the first air inlet of second hydrogen storage tank (9) is connected, the gas outlet of first check valve (5) with the second air inlet of second hydrogen storage tank (9) is connected, the gas outlet of second hydrogen storage tank (9) with the air inlet of second detecting element (10) is connected, the gas outlet of second detecting element (10) with the air inlet of second pneumatic valve (11) is connected.
2. A hydrogen station low pressure hydrogen dump system according to claim 1 further comprising: a hydrogen gas detection unit (13) and a detection center (14);
the hydrogen detection unit (13) is electrically connected with the detection center (14);
the hydrogen detection unit (13) is used for detecting the hydrogen concentration in the environment, and the detection center (14) is used for receiving the data collected by each unit.
3. A hydrogen station low pressure hydrogen dump system according to claim 2, characterized in that the first detection unit (3) comprises: a first pressure sensor and a first temperature sensor;
one end of the first pressure sensor is connected with an air outlet of the air unloading cabinet (2) and an air inlet of the first pneumatic valve (4), and the other end of the first pressure sensor is electrically connected with the detection center (14);
one end of the first temperature sensor is connected with an air outlet of the air unloading cabinet (2) and an air inlet of the first pneumatic valve (4); the other end of the first temperature sensor is electrically connected with the detection center (14).
4. A hydrogen station low pressure hydrogen dump system according to claim 2, characterized in that the second detection unit (10) comprises: a second pressure sensor and a second temperature sensor;
one end of the second pressure sensor is connected with the air outlet of the second hydrogen storage tank (9) and the air inlet of the second pneumatic valve (11), and the other end of the second pressure sensor is electrically connected with the detection center (14);
one end of the second temperature sensor is connected with the air outlet of the second hydrogen storage tank (9) and the air inlet of the second pneumatic valve (11), and the other end of the second temperature sensor is electrically connected with the detection center (14).
5. A hydrogen station low pressure hydrogen dump system according to claim 1, characterized in that the first check valve (5) and the second check valve (8) are both one-way valves;
hydrogen can only flow from the gas inlet of the first check valve (5) to the gas outlet of the first check valve (5);
the hydrogen can only flow from the gas inlet of the second check valve (8) to the gas outlet of the second check valve (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121184198.5U CN215259195U (en) | 2021-05-28 | 2021-05-28 | Hydrogenation station low pressure hydrogen dump system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121184198.5U CN215259195U (en) | 2021-05-28 | 2021-05-28 | Hydrogenation station low pressure hydrogen dump system |
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| CN215259195U true CN215259195U (en) | 2021-12-21 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114517889A (en) * | 2022-01-25 | 2022-05-20 | 佛山绿色发展创新研究院 | Control method for realizing online detection of hydrogen quality and hydrogenation system |
| CN114688449A (en) * | 2022-04-25 | 2022-07-01 | 液空厚普氢能源装备有限公司 | Online detection and purification control system and method for hydrogen quality of hydrogenation station |
-
2021
- 2021-05-28 CN CN202121184198.5U patent/CN215259195U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114517889A (en) * | 2022-01-25 | 2022-05-20 | 佛山绿色发展创新研究院 | Control method for realizing online detection of hydrogen quality and hydrogenation system |
| CN114517889B (en) * | 2022-01-25 | 2024-01-23 | 佛山绿色发展创新研究院 | Control method for realizing hydrogen quality on-line detection and hydrogenation system |
| CN114688449A (en) * | 2022-04-25 | 2022-07-01 | 液空厚普氢能源装备有限公司 | Online detection and purification control system and method for hydrogen quality of hydrogenation station |
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