CN114087522A - Zero-loss liquid hydrogen storage and transportation and hydrogenation system, equipment and transport vehicle - Google Patents
Zero-loss liquid hydrogen storage and transportation and hydrogenation system, equipment and transport vehicle Download PDFInfo
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- CN114087522A CN114087522A CN202111299498.2A CN202111299498A CN114087522A CN 114087522 A CN114087522 A CN 114087522A CN 202111299498 A CN202111299498 A CN 202111299498A CN 114087522 A CN114087522 A CN 114087522A
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- 239000001257 hydrogen Substances 0.000 title claims abstract description 341
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 341
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 328
- 239000007788 liquid Substances 0.000 title claims abstract description 171
- 238000005984 hydrogenation reaction Methods 0.000 title claims abstract description 35
- 239000007789 gas Substances 0.000 claims abstract description 129
- 238000011084 recovery Methods 0.000 claims abstract description 40
- 238000004064 recycling Methods 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 7
- 230000008020 evaporation Effects 0.000 abstract description 4
- 238000001704 evaporation Methods 0.000 abstract description 4
- 150000002431 hydrogen Chemical class 0.000 description 8
- 238000005429 filling process Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000004146 energy storage Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C1/00—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
- F17C1/12—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge with provision for thermal insulation
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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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention relates to a zero-loss liquid hydrogen storage and transportation and hydrogenation system, equipment and a transportation vehicle. Including liquid hydrogen storage container, gas hydrogen recovery unit and filling all-in-one, liquid hydrogen storage container is equipped with from increasing pipeline and liquid hydrogen filling pipeline, liquid hydrogen storage container passes through liquid hydrogen filling pipeline and is connected with the filling all-in-one, gas hydrogen storage container is equipped with gas hydrogen filling pipeline, gas hydrogen storage container passes through liquid hydrogen filling pipeline and is connected with the filling all-in-one, gas hydrogen recovery unit passes through gas hydrogen recovery pipeline and connects between liquid hydrogen storage container and gas hydrogen storage container, gas hydrogen recovery unit is arranged in retrieving the gas hydrogen of evaporation in the liquid hydrogen storage container to gas hydrogen storage container. The storage, transportation and filling of hydrogen energy can be realized, and zero loss in the processes of liquid hydrogen storage, transportation and filling can be realized.
Description
Technical Field
The invention relates to the technical field of new hydrogen energy, in particular to a zero-loss liquid hydrogen storage and transportation and hydrogenation system, equipment and a transportation vehicle.
Background
Liquid hydrogen as an efficient hydrogen energy storage and transportation mode can greatly promote the development of hydrogen energy. However, at the present stage, the liquid hydrogen is only used as a substance for aerospace military industry, and the civil market has no application case yet, so that the commercial application of the liquid hydrogen is limited to a certain extent. At present, the hydrogen energy industry is in regional layout, strategic planning of the hydrogen energy industry is started in more than 21 provinces and 46 cities, and 118 hydrogenation stations are built in China to serve the fuel cell industry by the end of 2121. Liquid hydrogen storage type hydrogen stations account for one third of the nearly 500 hydrogen stations in the world, are mainly distributed in the United states, Europe and Japan, and liquid hydrogen storage type hydrogen stations are mainly used by newly built foreign countries. The rapid development of the hydrogen energy industry promotes the development of low-temperature technical equipment such as liquid hydrogen storage and transportation and the like. From the development trend of hydrogen energy, liquid hydrogen storage, transportation and charging become necessary choices for hydrogen energy development, the liquid hydrogen storage and transportation gradually changes from an internal demonstration operation mode to a commercial operation mode capable of serving the future, but the conventional hydrogen energy storage, transportation and charging easily cause the problem of hydrogen energy loss.
Disclosure of Invention
The invention aims to provide a zero-loss liquid hydrogen storage, transportation and hydrogenation system, which can realize the storage, transportation and filling of hydrogen energy and realize zero loss in the processes of liquid hydrogen storage, transportation and filling.
In order to solve the problems in the prior art, the zero-loss liquid hydrogen storage, transportation and hydrogenation system provided by the invention comprises a liquid hydrogen storage container, a gas hydrogen recovery unit and an integrated filling machine, wherein the liquid hydrogen storage container is provided with a self-increasing pipeline and a liquid hydrogen filling pipeline, the liquid hydrogen storage container is connected with the integrated filling machine through the liquid hydrogen filling pipeline, the gas hydrogen storage container is provided with a gas hydrogen filling pipeline, the gas hydrogen storage container is connected with the integrated filling machine through the liquid hydrogen filling pipeline, the gas hydrogen recovery unit is connected between the liquid hydrogen storage container and the gas hydrogen storage container through the gas hydrogen recovery pipeline, and the gas hydrogen recovery unit is used for recovering gas hydrogen evaporated in the liquid hydrogen storage container into the gas hydrogen storage container.
Further, the zero-loss liquid hydrogen storage, transportation and hydrogenation system is characterized in that the liquid hydrogen storage container is further provided with a liquid hydrogen refilling pipeline, the liquid hydrogen refilling pipeline is provided with a first control valve and a second control valve, one end of the gas hydrogen recycling pipeline is connected to the liquid hydrogen refilling pipeline between the first control valve and the second control valve, the other end of the gas hydrogen recycling pipeline is connected with the gas hydrogen storage container, the self-pressurization pipeline comprises a first pipeline, a first supercharger and a second pipeline, one end of the first pipeline is connected with the bottom of the liquid hydrogen storage container, the other end of the first pipeline is connected with an inlet of the first supercharger, one end of the second pipeline is connected with an outlet of the first supercharger, and the other end of the second pipeline is connected to the gas hydrogen recycling pipeline between the liquid hydrogen refilling pipeline and the gas hydrogen recycling unit.
Further, the zero-loss liquid hydrogen storage, transportation and hydrogenation system is characterized in that a third control valve is arranged on the first pipeline.
Further, the zero-loss liquid hydrogen storage, transportation and hydrogenation system provided by the invention is characterized in that the gas hydrogen recovery unit comprises a fourth control valve, a temperature returning device, a buffer tank and a second supercharger, wherein the fourth control valve, the temperature returning device, the buffer tank and the second supercharger are sequentially arranged on the gas hydrogen recovery pipeline from the liquid hydrogen refilling pipeline to the gas hydrogen storage container.
Further, the zero-loss liquid hydrogen storage, transportation and hydrogenation system comprises a heat exchanger, a third pipeline and a fourth pipeline, wherein a fifth control valve is arranged on the second pipeline, the primary side of the heat exchanger is respectively connected to the second pipelines on two sides of the fifth control valve through the third pipeline and the fourth pipeline, and the secondary side of the heat exchanger is connected to a gas hydrogen filling pipeline in series.
Further, the zero-loss liquid hydrogen storage, transportation and hydrogenation system comprises a fifth pipeline and a sixth pipeline, wherein a sixth control valve is arranged on the fifth pipeline, one end of the fifth pipeline is connected to a gas hydrogen recovery pipeline between a second supercharger and a gas hydrogen storage container, the other end of the fifth pipeline is connected with an inlet of the secondary side of the heat exchanger, one end of the sixth pipeline is connected with an outlet of the secondary side of the heat exchanger, the other end of the sixth pipeline is connected with the integrated filling machine, and a seventh control valve is arranged on the fourth pipeline.
Further, the zero-loss liquid hydrogen storage, transportation and hydrogenation system is characterized in that an eighth control valve is arranged on the liquid hydrogen filling pipeline.
Further, the zero-loss liquid hydrogen storage, transportation and hydrogenation system further comprises a gas hydrogen return pipeline, a ninth control valve is arranged on the gas hydrogen return pipeline, one end of the gas hydrogen return pipeline is connected to a gas hydrogen recovery pipeline between the fourth control valve and the temperature returning device, and the other end of the gas hydrogen return pipeline is connected with the filling all-in-one machine.
The invention also provides zero-loss liquid hydrogen storage, transportation and hydrogenation equipment, which comprises a zero-loss liquid hydrogen storage, transportation and hydrogenation system and a tank container, wherein the liquid hydrogen storage container and the gas hydrogen storage container are arranged on one side in the tank container, and the first supercharger, the second supercharger and the filling all-in-one machine are oppositely arranged on the other side in the tank container.
The invention also provides a transport vehicle, and zero-loss liquid hydrogen storage and transportation and hydrogenation equipment is arranged on the transport vehicle.
Compared with the prior art, the zero-loss liquid hydrogen storage, transportation and hydrogenation system has the following advantages: the liquid hydrogen storage container is internally stored with liquid hydrogen, and the liquid hydrogen storage container provides power for extruding the liquid hydrogen for the liquid hydrogen filling pipeline through the self-increasing pipeline, so that a liquid hydrogen filling passage is formed; gas hydrogen is stored in the gas hydrogen storage container, and the gas hydrogen storage container is connected with the filling integrated machine through a gas hydrogen filling pipeline, so that a gas hydrogen filling passage is formed; and a gas hydrogen recovery unit is arranged between the liquid hydrogen storage container and the gas hydrogen storage container through a gas hydrogen recovery pipeline, and the gas hydrogen recovery unit recovers the gas hydrogen evaporated in the liquid hydrogen storage container into the gas hydrogen storage container, so that unnecessary waste of hydrogen energy is avoided. The liquid hydrogen storage container and the gas hydrogen storage container are used for respectively and independently storing liquid hydrogen and gas hydrogen, so that the storage of hydrogen energy is realized; the liquid hydrogen storage container and the gas hydrogen storage container are integrally skid-mounted and convenient to transport; the filling of liquid hydrogen and gas hydrogen can be realized by using the filling integrated machine; the gas hydrogen recovery unit can be used for recovering hydrogen evaporated in the liquid hydrogen storage and transportation process and the filling process, so that the effect of zero loss in the liquid hydrogen storage, transportation and filling process is achieved.
Drawings
FIG. 1 is a schematic structural diagram of a zero-loss liquid hydrogen storage and transportation and hydrogenation system of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer and more obvious, the present invention is further described below with reference to the accompanying drawings and the detailed description. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, in the embodiment of the zero-loss liquid hydrogen storage, transportation and hydrogenation system of the present invention, by providing a liquid hydrogen storage container 1, a gas hydrogen storage container 2, a gas hydrogen recovery unit 3, and an integrated filling machine 4, liquid hydrogen is stored in the liquid hydrogen storage container 1, the liquid hydrogen storage container 1 is provided with a self-increasing pipeline and a liquid hydrogen filling pipeline 5, the liquid hydrogen storage container 1 is connected with the integrated filling machine 4 through the liquid hydrogen filling pipeline 5 and is communicated with a liquid hydrogen filling port 29 of the integrated filling machine 3, and the liquid hydrogen storage container 1 provides a power for extruding the liquid hydrogen for the liquid hydrogen filling pipeline 5 through the self-increasing pipeline, so as to form a liquid hydrogen filling passage; the gas hydrogen storage container 2 is provided with a gas hydrogen filling pipeline, and the gas hydrogen storage container 2 is connected with the filling all-in-one machine 4 through a liquid hydrogen filling pipeline 5 and communicated with a gas hydrogen filling port 31 of the filling all-in-one machine 3, so that a gas hydrogen filling passage is formed; the gas hydrogen recovery unit 3 is connected between the liquid hydrogen storage container 1 and the gas hydrogen storage container 2 through a gas hydrogen recovery pipeline 6, and the gas hydrogen recovery unit 3 is used for recovering gas hydrogen evaporated in the liquid hydrogen storage container 1 into the gas hydrogen storage container 2, so that unnecessary waste of hydrogen energy is avoided. The liquid hydrogen storage container 1 and the gas hydrogen storage container 2 are used for respectively and independently storing liquid hydrogen and gas hydrogen to realize the storage of hydrogen energy; the liquid hydrogen storage container 1 and the gas hydrogen storage container 2 are integrally skid-mounted and convenient to transport; the filling of liquid hydrogen and gas hydrogen can be realized by using the filling integrated machine 4; the gas hydrogen recovery unit 3 can recover the hydrogen evaporated in the liquid hydrogen storage and transportation process and the filling process, thereby achieving the effect of zero loss in the liquid hydrogen storage and transportation process.
As shown in fig. 1, in order to achieve efficient storage and transportation of liquid hydrogen, in this embodiment, a liquid hydrogen refilling pipeline 7 is further disposed on the liquid hydrogen storage container 1, a first control valve 8 and a second control valve 9 are disposed on the liquid hydrogen refilling pipeline 7, the second control valve 9 is disposed at a position close to the liquid hydrogen storage container 1, the first control valve 8 is disposed at a position far from the liquid hydrogen storage container 1, and the first control valve 8 is adapted to be opened when liquid hydrogen is refilled into the liquid hydrogen storage container 1 and closed after refilling is completed. During transportation, the first control valve 8 and the second control valve 9 are in a closed state to ensure that no loss of liquid hydrogen occurs in the liquid hydrogen storage container 1.
In long-time transportation, the liquid hydrogen of storing in the liquid hydrogen storage container 1 has a small amount of evaporation, consequently, the pressure in the liquid hydrogen storage container 1 also can be constantly increased along with the increase of time, effectively retrieve the gas hydrogen that this part evaporation formed for the reality, consequently, let the one end of gas hydrogen recovery pipeline 6 connect on the liquid hydrogen additional injection pipeline 7 between first control valve 8 and second control valve 9, the other end and the gas hydrogen storage container 2 of gas hydrogen recovery pipeline 6 are connected, the realization is effectively retrieved the gas hydrogen that liquid hydrogen storage container 1 evaporated, and then realize the zero loss of hydrogen in the transportation.
The self-pressurization pipeline comprises a first pipeline 10, a first supercharger 11 and a second pipeline 12, one end of the first pipeline 10 is connected with the bottom of the liquid hydrogen storage container 1, the other end of the first pipeline 10 is connected with an inlet of the first supercharger 11, one end of the second pipeline 12 is connected with an outlet of the first supercharger 11, the other end of the second pipeline 12 is connected to a gas hydrogen recovery pipeline 6 between the liquid hydrogen refilling pipeline 7 and the gas hydrogen recovery unit 3, a third control valve 13 is arranged on the first pipeline 10, the first supercharger 11 is in an open state when working, the first supercharger 11 is in a closed state when not working, and an eighth control valve 26 is arranged on the liquid hydrogen refilling pipeline 5 for convenience of control. When liquid hydrogen is filled, the first booster 11 operates, the third control valve 13, the second control valve 9 and the eighth control valve 26 are opened, the air pressure in the liquid hydrogen storage container 1 is increased, and the liquid hydrogen flows out of the liquid hydrogen filling port 28 of the filling all-in-one machine 4 through the liquid hydrogen filling pipeline 5, so that the filling of the liquid hydrogen is realized.
As a more specific configuration, the hydrogen recovery unit 3 in the present embodiment includes a fourth control valve 14, a temperature returning device 15, a buffer tank 16, and a second pressure booster 17, and the fourth control valve 14, the temperature returning device 15, the buffer tank 16, and the second pressure booster 17 are sequentially provided on the hydrogen recovery line 6 in a direction from the liquid hydrogen replenishment line 7 to the hydrogen storage container 2. In practical application, a pressure sensor can be installed in the liquid hydrogen storage container 1, the pressure sensor is used for monitoring the internal pressure of the liquid hydrogen storage container 1, when the internal pressure of the liquid hydrogen storage container 1 exceeds a preset value (the preset value can be set according to the rated pressure which can be borne by the liquid hydrogen storage container 1), the second control valve 9 and the fourth control valve 15 are opened, so that the gas hydrogen evaporated from the liquid hydrogen storage container 1 can be recovered to the gas hydrogen storage container 2 through the temperature return device 15, the buffer tank 16 and the second supercharger 17, the pressure in the liquid hydrogen storage container 1 is maintained in a stable safety range, the safety of the liquid hydrogen storage container 1 is ensured, the evaporated hydrogen can be effectively recovered, and then zero loss of the hydrogen in the transportation process is realized. Therefore, relatively low-temperature gas hydrogen evaporated from the liquid hydrogen storage container 1 can be stored in the gas hydrogen storage container 2, so that the gas hydrogen evaporated from the liquid hydrogen storage container 1 can be recovered, the zero-loss effect of hydrogen energy in the liquid hydrogen storage and transportation process is achieved, the loss of the hydrogen energy is avoided, and the utilization rate of the hydrogen energy is improved.
As shown in fig. 1, in order to realize the lossless filling process of the liquid hydrogen, in this embodiment, a gas-hydrogen return line 27 is further included, a ninth control valve 28 is disposed on the gas-hydrogen return line 27, one end of the gas-hydrogen return line 27 is connected to the gas-hydrogen recovery line 6 between the fourth control valve 14 and the temperature return device 15, and the other end of the gas-hydrogen return line 27 is connected to the integrated filling machine 4 and is communicated with a return air port 30 of the integrated filling machine 4. When filling the liquid hydrogen, the liquid hydrogen is injected into the target container from the liquid hydrogen filling port 29 of the filling all-in-one machine 3 through the liquid hydrogen filling pipeline 5. And a gas return port 30 of the filling all-in-one machine 3 is connected with the target container, a ninth control valve 28 is opened, and redundant gas hydrogen in the target container is recycled to the gas hydrogen storage container 2 through the temperature returning device 15, the buffer tank 16 and the second booster 17. In this way, in the liquid hydrogen filling process, when the target container is filled with liquid hydrogen, the vaporized hydrogen in the target container is recovered into the hydrogen storage container 2 through the hydrogen return pipeline 27, so as to avoid the dissipation of hydrogen and realize zero loss of hydrogen in the liquid hydrogen filling process.
As shown in fig. 1, in order to safely fill gaseous hydrogen and effectively utilize the cold energy of liquid hydrogen, on the basis of the above embodiments, the present embodiment further includes a heat exchanger 19, a third pipeline 20, and a fourth pipeline 21. The heat exchanger 19 is specifically mounted as follows: first, a fifth control valve 18 is arranged on the second pipeline 12, then the primary side of a heat exchanger 19 is respectively connected to the second pipeline 12 on the two sides of the fifth control valve 18 through a third pipeline 20 and a fourth pipeline 21, and finally the secondary side of the heat exchanger 19 is connected in series to a gas hydrogen filling pipeline. More specifically, the gas hydrogen filling pipeline comprises a fifth pipeline 22 and a sixth pipeline 23, the fifth pipeline 22 is provided with a sixth control valve 24, one end of the fifth pipeline 22 is connected to the gas hydrogen recovery pipeline 6 between the second supercharger 17 and the gas hydrogen storage container 2, and the other end of the fifth pipeline 22 is connected to an inlet on the secondary side of the heat exchanger 19; one end of a sixth pipeline 23 is connected with an outlet on the secondary side of the heat exchanger 19, the other end of the sixth pipeline 23 is connected with the filling all-in-one machine 4, and a seventh control valve 25 is arranged on the fourth pipeline 21.
When gas hydrogen needs to be filled, the fifth control valve 18 is closed, the third control valve 13, the second control valve 9, the seventh control valve 25 and the sixth control valve 24 are opened, liquid hydrogen in the liquid hydrogen storage container 1 flows through the lower half sections (taking the attached drawing as an example) of the first pipeline 10, the second pipeline 12 and the fourth pipeline 21, the primary side of the heat exchanger 19, the third pipeline 20, the upper half section (taking the attached drawing as an example) of the fourth pipeline 21 and the lower half section (taking the attached drawing as an example) of the liquid hydrogen refilling pipeline 7 in sequence under the action of the first supercharger 11 to form a cold cycle of the primary side of the heat exchanger 19, and gas hydrogen released from the gas hydrogen storage container 2 flows through the secondary side of the heat exchanger 19, so that the filled gas hydrogen is cooled by the heat exchanger 19 to reach the gas hydrogen filling standard, the safety and the reliability of the gas hydrogen filling operation are improved, and the safety of the high-pressure gas hydrogen filling is realized.
In order to further enhance the effects of the above embodiments, the liquid hydrogen storage container 1 is designed as a high-vacuum multi-layer heat-insulating tank to minimize evaporation of liquid hydrogen. The gas hydrogen storage container 2 is designed as a high-pressure hydrogen storage cylinder group to meet the requirements of gas hydrogen recovery and filling. The first supercharger 11 and the second supercharger 17 are preferably 35MPa or 70MPa booster pumps to achieve the supercharging effect. The first control valve 8, the second control valve 9, the third control valve 13, the fourth control valve 14, the fifth control valve 18, the sixth control valve 24, the seventh control valve 25, the eighth control valve 26 and the ninth control valve 28 are preferably pneumatically controlled valves to ensure safety of the overall operation of the system.
Based on the same invention concept, the invention also provides zero-loss mobile liquid hydrogen storage, transportation and hydrogenation equipment, which comprises a zero-loss mobile liquid hydrogen storage, transportation and hydrogenation system and a tank container, wherein the liquid hydrogen storage container 1 and the gas hydrogen storage container 2 are arranged on one side in the tank container, and the first supercharger 11, the second supercharger 17 and the filling all-in-one machine 3 are oppositely arranged on the other side in the tank container. The zero-loss mobile liquid hydrogen storage and transportation and hydrogenation system is effectively integrated into the tank container, so that long-distance transportation is facilitated.
Based on the same invention concept, the invention also provides a transport vehicle, and zero-loss movable liquid hydrogen storage, transportation and hydrogenation equipment is arranged on the transport vehicle.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description herein, references to the description of the term "the present embodiment," "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
The above embodiments are merely descriptions of the preferred embodiments of the present invention, and do not limit the scope of the invention as claimed, and various modifications made by those skilled in the art according to the technical solutions of the present invention should fall within the scope of the invention defined by the claims without departing from the spirit of the present invention.
Claims (10)
1. A zero-loss liquid hydrogen storage, transportation and hydrogenation system is characterized by comprising a liquid hydrogen storage container (1), a gas hydrogen storage container (2), a gas hydrogen recovery unit (3) and an injection all-in-one machine (4), the liquid hydrogen storage container (1) is provided with a self-increasing pipeline and a liquid hydrogen filling pipeline (5), the liquid hydrogen storage container (1) is connected with the filling integrated machine (4) through a liquid hydrogen filling pipeline (5), the gas hydrogen storage container (2) is provided with a gas hydrogen filling pipeline, the gas hydrogen storage container (2) is connected with the filling integrated machine (4) through a liquid hydrogen filling pipeline (5), the gas hydrogen recovery unit (3) is connected between the liquid hydrogen storage container (1) and the gas hydrogen storage container (2) through a gas hydrogen recovery pipeline (6), the gas hydrogen recovery unit (3) is used for recovering the gas hydrogen evaporated in the liquid hydrogen storage container (1) into the gas hydrogen storage container (2).
2. The zero-loss liquid hydrogen storage, transportation and hydrogenation system according to claim 1, wherein the liquid hydrogen storage container (1) is further provided with a liquid hydrogen refilling pipeline (7), the liquid hydrogen refilling pipeline (7) is provided with a first control valve (8) and a second control valve (9), one end of the gas hydrogen recycling pipeline (6) is connected to the liquid hydrogen refilling pipeline (7) between the first control valve (8) and the second control valve (9), the other end of the gas hydrogen recycling pipeline (6) is connected to the gas hydrogen storage container (2), the self-pressurization pipeline comprises a first pipeline (10), a first pressurizer (11) and a second pipeline (12), one end of the first pipeline (10) is connected to the bottom of the liquid hydrogen storage container (1), the other end of the first pipeline (10) is connected to an inlet of the first pressurizer (11), and one end of the second pipeline (12) is connected to an outlet of the first pressurizer (11), the other end of the second pipeline (12) is connected to a gas hydrogen recovery pipeline (6) between the liquid hydrogen refilling pipeline (7) and the gas hydrogen recovery unit (3).
3. The zero-loss liquid hydrogen storage, transportation and hydrogenation system according to claim 2, wherein the first pipeline (10) is provided with a third control valve (13).
4. The zero-loss liquid hydrogen storage, transportation and hydrogenation system according to claim 2, wherein the gas hydrogen recovery unit (3) comprises a fourth control valve (14), a temperature returning device (15), a buffer tank (16) and a second pressure booster (17), and the fourth control valve (14), the temperature returning device (15), the buffer tank (16) and the second pressure booster (17) are sequentially arranged on the gas hydrogen recovery pipeline (6) in the direction from the liquid hydrogen refilling pipeline (7) to the gas hydrogen storage container (2).
5. The zero-loss liquid hydrogen storage, transportation and hydrogenation system according to claim 4, wherein the second pipeline (12) is provided with a fifth control valve (18), and further comprises a heat exchanger (19), a third pipeline (20) and a fourth pipeline (21), the primary side of the heat exchanger (19) is respectively connected to the second pipeline (12) at two sides of the fifth control valve (18) through the third pipeline (20) and the fourth pipeline (21), and the secondary side of the heat exchanger (19) is connected in series to the gas hydrogen filling pipeline.
6. The zero-loss liquid hydrogen storage, transportation and hydrogenation system as claimed in claim 5, wherein the gas hydrogen filling pipeline comprises a fifth pipeline (22) and a sixth pipeline (23), a sixth control valve (24) is arranged on the fifth pipeline (22), one end of the fifth pipeline (22) is connected to the gas hydrogen recovery pipeline (6) between the second supercharger (17) and the gas hydrogen storage container (2), the other end of the fifth pipeline (22) is connected to an inlet on the secondary side of the heat exchanger (19), one end of the sixth pipeline (23) is connected to an outlet on the secondary side of the heat exchanger (19), the other end of the sixth pipeline (23) is connected to the filling all-in-one machine (4), and a seventh control valve (25) is arranged on the fourth pipeline (21).
7. The zero-loss liquid hydrogen storage, transportation and hydrogenation system according to claim 1, wherein an eighth control valve (26) is arranged on the liquid hydrogen filling pipeline (5).
8. The zero-loss liquid hydrogen storage, transportation and hydrogenation system according to claim 4, further comprising a gas hydrogen return pipeline (27), wherein a ninth control valve (28) is arranged on the gas hydrogen return pipeline (27), one end of the gas hydrogen return pipeline (27) is connected to the gas hydrogen recovery pipeline (6) between the fourth control valve (14) and the temperature returning device (15), and the other end of the gas hydrogen return pipeline (27) is connected to the filling all-in-one machine (4).
9. A zero-loss liquid hydrogen storage, transportation and hydrogenation device, characterized in that the device comprises the zero-loss liquid hydrogen storage, transportation and hydrogenation system and the tank container of claims 1-8, the liquid hydrogen storage container (1) and the gas hydrogen storage container (2) are arranged on one side in the tank container, and the first supercharger (11), the second supercharger (17) and the filling all-in-one machine (4) are oppositely arranged on the other side in the tank container.
10. A transportation vehicle characterized in that said transportation vehicle is provided with the zero-loss liquid hydrogen storage, transportation and hydrogenation equipment of claim 9.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117570355A (en) * | 2023-11-28 | 2024-02-20 | 北京中科富海低温科技有限公司 | Liquid hydrogen storage system and method for transportation |
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| CN117570355B (en) * | 2023-11-28 | 2024-05-14 | 北京中科富海低温科技有限公司 | Liquid hydrogen storage system and method for transportation |
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