CN217030803U - Hydrogenation station with gas-liquid hydrogen double-unloading system - Google Patents
Hydrogenation station with gas-liquid hydrogen double-unloading system Download PDFInfo
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- CN217030803U CN217030803U CN202220970019.9U CN202220970019U CN217030803U CN 217030803 U CN217030803 U CN 217030803U CN 202220970019 U CN202220970019 U CN 202220970019U CN 217030803 U CN217030803 U CN 217030803U
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- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 283
- 239000001257 hydrogen Substances 0.000 title claims abstract description 283
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 268
- 239000007788 liquid Substances 0.000 title claims abstract description 77
- 238000005984 hydrogenation reaction Methods 0.000 title claims abstract description 45
- 239000007789 gas Substances 0.000 claims abstract description 60
- 150000002431 hydrogen Chemical class 0.000 claims abstract description 11
- 230000008016 vaporization Effects 0.000 claims description 17
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 2
- 230000009977 dual effect Effects 0.000 claims 1
- 238000009834 vaporization Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 8
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000032258 transport Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a hydrogenation station with a gas-liquid hydrogen double unloading system, which relates to the field of hydrogenation stations and comprises a liquid hydrogen unloading unit, a gas hydrogen unloading unit and a hydrogen output unit, wherein a pipeline between the liquid hydrogen unloading unit and the hydrogen output unit is also connected with a primary compressor and a secondary compressor, a straight-through pipeline is connected on the pipeline between the primary compressor and the secondary compressor, the input end of the straight-through pipeline is connected on the pipeline between the primary compressor and the secondary compressor, the output end of the straight-through pipeline is connected with the hydrogen output unit, the output end of the gas hydrogen unloading unit is connected with the input end of the primary compressor through a first gas hydrogen pipeline, and the output end of the gas hydrogen unloading unit is connected with the output end of the primary compressor through a second gas hydrogen pipeline. The utility model can unload liquid hydrogen transported by the liquid hydrogen tank car in a long distance, and also can unload high-pressure gas hydrogen transported by the long-tube trailer in a short distance; the flexibility and the practicability of the hydrogen source selection of the hydrogenation station are increased.
Description
Technical Field
The utility model relates to the field of hydrogenation stations, in particular to a hydrogenation station with a gas-liquid hydrogen double unloading system.
Background
The hydrogen energy is used as a clean and zero-carbon energy, and increasingly attracts people's attention in an energy structure, and according to the prediction of each organization, the hydrogen energy accounts for 15-20% in the Chinese terminal energy structure in the future, is synergistically complemented with electric power, and jointly becomes one of important parts of the Chinese terminal energy system.
However, as an energy source, hydrogen has high purity requirement and relatively small demand, so that the scale economy is poor, the transportation cost is high, and the price is greatly higher than that of chemical hydrogen and fuel hydrogen. At present, the main transportation modes of hydrogen are three types: high-pressure gas transportation, low-temperature liquid transportation and pipeline transportation, and with the continuous development of technologies, the three transportation modes have different scale applications.
The high-pressure gaseous state transportation is applicable to short distance, the less hydrogenation station of demand, and domestic hydrogenation station pressing force grade generally includes 35MPa and 70MPa, and the hydrogenation station of these two types all adopts long tube trailer to transport hydrogen to the hydrogenation station, and long tube trailer is the most common high-pressure gas in China and transports hydrogen mode, and the operating pressure of long tube trailer gas cylinder is 10-30MPa, and the gas cylinder of transportation hydrogen is mostly 20 MPa. This method is well established in the art. However, the density of hydrogen is very small, the hydrogen storage container is heavy, the weight of the transported hydrogen only accounts for 1-2% of the total transportation weight, and the transportation efficiency of the method is low.
The energy density of the liquid hydrogen is far higher than that of the gaseous hydrogen, so that the liquid hydrogen is more suitable for a hydrogen refueling station with larger long-distance demand; however, it is worth noting that the energy consumption of the hydrogen liquefaction process is relatively high, which may reach 30% of the transported hydrogen, and the temperature of the transported liquid hydrogen needs to be kept around-253 ℃, which has high requirements on the tank of the liquid hydrogen tank car and the insulating material used by the tank car. Hydrogen from different geographical sources, meaning different modes of transportation; therefore, the source of hydrogen is one of the key factors influencing the price of hydrogen in the hydrogen station and the operation cost of the hydrogen station; to become a competitive hydrogen refueling station, different hydrogen sources need to be compatible for optimal economic benefit.
The patent provides a method for unloading gas to a high-pressure hydrogen long tube trailer and also unloading hydrogen to a liquid hydrogen tank truck at a gas hydrogen refueling station
Therefore, a hydrogenation station which can unload gas from a high-pressure hydrogen long-tube trailer and can unload hydrogen from a liquid hydrogen tank truck is needed to adapt to different hydrogen sources.
SUMMERY OF THE UTILITY MODEL
The utility model aims to: the hydrogen station with the gas-liquid hydrogen double unloading system can unload gas to a high-pressure hydrogen long pipe trailer and can unload hydrogen to a liquid hydrogen tank truck, so that the problem that hydrogen price of the hydrogen station and operation cost of the hydrogen station are influenced by hydrogen sources in the background technology is solved.
The technical scheme adopted by the utility model is as follows:
the utility model relates to a hydrogenation station with a gas-liquid hydrogen double unloading system, which comprises a liquid hydrogen unloading unit, a gas hydrogen unloading unit and a hydrogen output unit, wherein the liquid hydrogen unloading unit is connected with the hydrogen output unit through a pipeline, a primary compressor and a secondary compressor are also connected on the pipeline between the liquid hydrogen unloading unit and the hydrogen output unit, a straight-through pipeline is connected on the pipeline between the primary compressor and the secondary compressor, the input end of the straight-through pipeline is connected on the pipeline between the primary compressor and the secondary compressor, the output end of the straight-through pipeline is connected with the hydrogen output unit, the liquid hydrogen unloading unit comprises a liquid hydrogen source and a vaporization device, the input end of the vaporization device is connected with the output end of the liquid hydrogen source through a pipeline, the output end of the vaporization device is connected with the input end of the primary compressor through a pipeline, the output end of the gas hydrogen unloading unit is connected with the input end of the primary compressor through a first gas hydrogen pipeline, the output end of the hydrogen unloading unit is connected with the output end of the primary compressor through a second hydrogen pipeline, and the first hydrogen pipeline, the second hydrogen pipeline and the straight-through pipeline are all provided with switch valves.
Furthermore, the vaporizing device comprises a plurality of evaporators arranged in parallel, and the input end of each evaporator is correspondingly provided with a valve, and the valve is controlled to be opened and closed so as to control the flow route of the liquid hydrogen.
Further, the gas hydrogen unloading unit comprises a gas hydrogen source and an air unloading column, and the gas hydrogen source and the air unloading column are connected through a vacuum hose.
Furthermore, check valves are arranged on the output end of the liquid hydrogen source, the output end of the gas hydrogen source and the straight-through pipeline so as to control the flow direction of the liquid hydrogen or the gas hydrogen.
Furthermore, the hydrogen output unit comprises a hydrogen storage device and a hydrogenation machine, the input end of the hydrogen storage device is respectively connected with the output end of the secondary compressor and the output end of the straight-through pipeline through pipelines, the hydrogen storage device can be used for storing hydrogen in a charging mode and filling hydrogen into the hydrogenation machine, the input end of the hydrogenation machine is respectively connected with the output end of the secondary compressor, the output end of the straight-through pipeline and the output end of the hydrogen storage device through pipelines, and the hydrogenation machine can receive the hydrogen and directly fill the hydrogen into the vehicle.
Furthermore, the device also comprises a return pipe, the input end of the return pipe is connected with the output end of the hydrogen storage device, the output end of the return pipe is connected with the input end of the secondary compressor, and a return cut-off valve is further arranged on the return pipe.
Furthermore, safety valves are arranged at the output end of the primary compressor, the output end of the secondary compressor and the inside of the hydrogenation machine.
In summary, due to the adoption of the technical scheme, the utility model has the beneficial effects that:
1. the utility model relates to a hydrogenation station with a gas-liquid hydrogen double unloading system, which can unload liquid hydrogen which is transported by a liquid hydrogen tank car in a long distance and also can unload high-pressure gas hydrogen which is transported by a long-tube trailer in a short distance; the flexibility and the practicability of the hydrogen station for selecting hydrogen sources are increased, and the economy and the convenience of the hydrogen station are improved.
2. The utility model relates to a hydrogenation station with a gas-liquid hydrogen double unloading system, wherein hydrogen is injected into a hydrogen output unit through a straight pipeline or a secondary compressor, and two paths of hydrogen paths are selected to adapt to the specific pressure condition of the hydrogen output unit, so that the effect of saving energy consumption is achieved.
3. The utility model relates to a hydrogenation station with a gas-liquid hydrogen double unloading system, wherein hydrogen in a gas-hydrogen source is compressed twice by a primary compressor and a secondary compressor, so that the pressure of a gas-hydrogen source hydrogen storage tank is lower, more hydrogen in the gas-hydrogen source hydrogen storage tank is extracted, the hydrogen allowance in the gas-hydrogen source hydrogen storage tank is reduced, and the effective volume of the gas-hydrogen source hydrogen storage tank is increased.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and that for those skilled in the art, other relevant drawings can be obtained according to the drawings without inventive effort, wherein:
fig. 1 is a schematic view of the overall structure of the present invention.
The reference numbers illustrate: 1-liquid hydrogen unloading unit, 101-liquid hydrogen source, 102-vaporizing device, 2-gas hydrogen unloading unit, 201-gas hydrogen source, 202-gas unloading column, 3-primary compressor, 4-secondary compressor, 5-hydrogen output unit, 501-hydrogen storage device, 502-hydrogenation machine, 6-straight-through pipeline, 7-first gas hydrogen pipeline, 8-second gas hydrogen pipeline, 9-switch valve, 10-check valve, 11-return pipe, 12-return cut-off valve, 13-safety valve.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the utility model, are intended for purposes of illustration only and are not intended to limit the scope of the utility model. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus 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 apparatus.
It is to be understood that the terms "upper," "lower," "left," "right," and the like, as used herein, are based on the orientation or positional relationship shown in the drawings, and are used merely for convenience in describing the present invention and to simplify the description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be taken as limiting the utility model.
The features and properties of the present invention are described in further detail below with reference to examples.
Example one
As shown in figure 1, the utility model is a hydrogenation station with a gas-liquid hydrogen double unloading system, comprising a liquid hydrogen unloading unit 1, a gas hydrogen unloading unit 2 and a hydrogen output unit 5, wherein the liquid hydrogen unloading unit 1 is connected with the hydrogen output unit 5 through a pipeline, a primary compressor 3 and a secondary compressor 4 are further connected on the pipeline between the liquid hydrogen unloading unit 1 and the hydrogen output unit 5, a straight-through pipeline 6 is connected on the pipeline between the primary compressor 3 and the secondary compressor 4, the input end of the straight-through pipeline 6 is connected on the pipeline between the primary compressor 3 and the secondary compressor 4, the output end of the straight-through pipeline is connected with the hydrogen output unit 5, the liquid hydrogen unloading unit 1 comprises a liquid hydrogen source 101 and a vaporization device 102, the input end of the vaporization device 102 is connected with the output end of the liquid hydrogen source 101 through a pipeline, the output end of the vaporization device 102 is connected with the input end of the primary compressor 3 through a pipeline, the output of gas hydrogen unit 2 that unloads is connected at the input of primary compressor 3 through first gas hydrogen pipeline 7, the output of gas hydrogen unit 2 that unloads is connected at the output of primary compressor 3 through second gas hydrogen pipeline 8, all is provided with 1 or a plurality of ooff valve 9 on the pipeline between each equipment in whole hydrogenation station for control hydrogen's transmission path.
Preferably, the gas hydrogen unloading unit comprises a gas hydrogen source 201 and an air unloading column 202, wherein the gas hydrogen source 201 and the air unloading column 202 are connected through a vacuum hose.
Preferably, the hydrogen output unit comprises a hydrogen storage device 501 and a hydrogenation machine 502, the input end of the hydrogen storage device 501 is respectively connected with the output end of the secondary compressor 4 and the output end of the straight-through pipeline 6 through pipelines, the hydrogen storage device 501 can be used for storing hydrogen and filling hydrogen into the hydrogenation machine 502, the input end of the hydrogenation machine 502 is respectively connected with the output end of the secondary compressor 4, the output end of the straight-through pipeline 6 and the output end of the hydrogen storage device 501 through pipelines, and the hydrogenation machine 502 can receive hydrogen and directly fill the hydrogen into the vehicle.
The hydrogen sources are divided into two types, one is gaseous hydrogen and the other is liquid hydrogen, in the implementation, the unloading unit of the hydrogen filling station is divided into two parts, and the first part is the liquid hydrogen unloading unit 1; the first part is a gas hydrogen unloading unit 2, and the liquid hydrogen unloading unit 1 and the gas hydrogen unloading unit 2 can unload hydrogen simultaneously or independently for unloading gas hydrogen or liquid hydrogen.
The first part, liquid hydrogen unit of unloading 1 includes liquid hydrogen source 101 and vapourizing unit 102, and liquid hydrogen source 101 is liquid hydrogen tank wagon, in this implementation, liquid hydrogen tank wagon passes through vacuum hose and connects vaporization unit 102 in the station, be provided with switch valve 14 on the vacuum hose, liquid hydrogen carries out the heat transfer through vaporization unit 102, vaporize into gaseous hydrogen with liquid hydrogen, the hydrogen pressure after the vaporization increases, hydrogen pressure is about 0.1 ~ 2MPa, hydrogen compresses through primary compressor 3, the hydrogen pressure after 3 compressions of primary compressor can reach 20MPa, at this moment, 20 MPa's hydrogen can be stored in the buffer tank, the hydrogen after 3 compressions of primary compressor falls into two tunnel: one path of hydrogen passes through the hydrogen straight-through pipeline 6 and is respectively stored or filled into the hydrogen storage device 501 and the hydrogenation machine 502 in the hydrogen output unit 5, and when the pressure of the hydrogen storage device 501 and the pressure of a vehicle to be filled by the hydrogenation machine 502 are lower than that of a liquid hydrogen tank vehicle, in the embodiment, when the pressure of the vehicle to be filled by the hydrogen storage device 501 and the hydrogenation machine 502 is lower than 2MPa, the switch valve 9 on the straight-through pipeline 6 can be opened to select the straight-through pipeline 6 to directly deliver the hydrogen to the hydrogenation machine 502 or the hydrogen storage device 501; when the charging vehicles needed by the hydrogen storage device 501 and the hydrogenation machine 502 are higher than the pressure of the liquid hydrogen tank vehicle, the other path of the hydrogen passes through the secondary compressor 4 to compress the hydrogen to a higher pressure, at the moment, the pressure of the hydrogen can reach 45MPa, and the hydrogen compressed by the secondary compressor 4 can be respectively charged or stored to the hydrogenation machine 502 and the hydrogen storage device 501.
The second part, the gas hydrogen unloading unit 2 includes the gas hydrogen source 201 and the gas column 202 of unloading, and the gas hydrogen source 201 is long tube trailer usually, and the column 202 of unloading is connected with long tube trailer vacuum hose, is provided with ooff valve 14 on the vacuum hose, unloads the high pressure hydrogen in the long tube trailer through the column 202 of unloading, and most hydrogen that the column 202 of unloading unloaded passes through the output that second gas hydrogen pipeline 8 inserts one-level compressor 3, and then this hydrogen can be divided into two ways: when the pressure of the hydrogen storage device 501 and the filling vehicle is higher than that of the long-tube trailer, one path of hydrogen passes through the secondary compressor 4, and the hydrogen is compressed and then is respectively filled or stored into the hydrogenation machine 502 and the hydrogen storage device 501; when the pressure of the hydrogen storage device 501 and the charging vehicle is lower than the pressure of the hydrogen unloaded by the hydrogen unloading unit 2, which is usually less than 2MPa, the switch valve 9 on the through pipeline 6 can be opened, and the hydrogen is directly conveyed to the hydrogenation machine 502 or the hydrogen storage device 501 through the through pipeline 6. When hydrogen surplus is less in the hydrogen storage tank of long tube trailer, its pressure reduction, it is lower to unload gas efficiency, open the ooff valve 9 on the first gas hydrogen pipeline 7, gas hydrogen unit 2 of unloading is through the input that first gas hydrogen pipeline 7 inserts primary compressor 3, hydrogen after the compression of primary compressor 3 can select two routes of going on the road equally under the condition that satisfies the condition, and hydrogen is through primary compressor 3 and the 4 twice compressions of secondary compressor, can make the pressure of long tube trailer hydrogen storage tank lower, extract more hydrogen, reduce the hydrogen surplus, effective volume is improved.
The liquid hydrogen unloading unit 1 and the gas hydrogen unloading unit 2 in the embodiment can be provided with a plurality of liquid hydrogen unloading units 1 or gas hydrogen unloading units 2 according to the requirement.
Example two
This example is a further illustration of the present invention.
As shown in fig. 1, this embodiment is based on the above embodiment, and in a preferred embodiment of the present invention, the vaporizing device 102 comprises a plurality of evaporators arranged in parallel, and each evaporator input end is provided with a valve, and the valve switch is controlled to control the flow route of the liquid hydrogen.
In this embodiment, vaporizing device 102 has set up a plurality of parallelly connected and evaporimeters, and liquid hydrogen carries out the heat transfer through the evaporimeter, vaporizes into the gaseous state with liquid hydrogen, and the hydrogen pressure after the vaporization is about 0.1 ~ 2MPa, and the evaporimeter that a plurality of parallelly connected set up can work in turn each other, improves work efficiency, avoids the evaporimeter to use the energy consumption too high for a long time and damage.
EXAMPLE III
This example is a further illustration of the present invention.
As shown in fig. 1, in this embodiment, on the basis of the first embodiment, in a preferred embodiment of the present invention, a return pipe 11 is further included, an input end of the return pipe 11 is connected to an output end of the hydrogen storage device 501, an output end of the return pipe 11 is connected to an input end of the secondary compressor 4, and the return pipe 11 is further provided with a return cut-off valve 12.
In this embodiment, the return pipe 11 outputs the hydrogen gas of the hydrogen storage device 501 to the input end of the secondary compressor 4, and compresses and boosts the pressure of the hydrogen gas, so as to ensure that the hydrogen gas with the required pressure is filled into the vehicle by the hydrogenation unit 502.
Example four
This example is a further illustration of the present invention.
In this embodiment, on the basis of the above embodiment, in a preferred embodiment of the present invention, the output end of the primary compressor 3, the output end of the secondary compressor 4, and the inside of the hydrogenation unit 502 are all provided with safety valves 13.
Preferably, check valves 10 are disposed on the output end of the liquid hydrogen source 101, the output end of the gas hydrogen source 201 and the straight-through pipeline 6, so as to control the flow direction of the liquid hydrogen or the gas hydrogen.
In the embodiment, the whole hydrogen station system is provided with a plurality of valves, namely a safety valve 13, a backflow stop valve 12, a switch valve 9, a switch valve 14 and a check valve 10, wherein the valves work together to ensure the safe and normal flow and the line selection of hydrogen.
The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be made by those skilled in the art without inventive skill in the art within the technical scope of the present invention disclosed herein are also intended to be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.
Claims (7)
1. The utility model provides a hydrogenation station with two uninstallation systems of gas-liquid hydrogen, includes liquid hydrogen unit (1) of unloading, gas hydrogen unit (2) of unloading and hydrogen output unit (5), liquid hydrogen unit (1) of unloading passes through pipe connection hydrogen output unit (5), its characterized in that: the device is characterized in that a first-stage compressor (3) and a second-stage compressor (4) are further connected to a pipeline between the liquid hydrogen unloading unit (1) and the hydrogen output unit (5), a straight-through pipeline (6) is connected to a pipeline between the first-stage compressor (3) and the second-stage compressor (4), the input end of the straight-through pipeline (6) is connected to a pipeline between the first-stage compressor (3) and the second-stage compressor (4), the output end of the straight-through pipeline is connected with the hydrogen output unit (5), the liquid hydrogen unloading unit (1) comprises a liquid hydrogen source (101) and a vaporizing device (102), the input end of the vaporizing device (102) is connected with the output end of the liquid hydrogen source (101) through a pipeline, the output end of the vaporizing device (102) is connected with the input end of the first-stage compressor (3) through a pipeline, the output end of the gas hydrogen unloading unit (2) is connected with the input end of the first-stage compressor (3) through a first gas hydrogen pipeline (7), the output end of the hydrogen unloading unit (2) is connected with the output end of the primary compressor (3) through a second hydrogen pipeline (8), and 1 or more switching valves (9) are arranged on pipelines among all devices of the whole hydrogenation station and used for controlling the transmission path of hydrogen.
2. The hydrogen plant with a gas-liquid hydrogen double unloading system according to claim 1, characterized in that: the vaporizing device (102) comprises a plurality of evaporators arranged in parallel, and the input end of each evaporator is correspondingly provided with a valve, and the valve is controlled to be opened and closed so as to control the flow route of the liquid hydrogen.
3. The hydrogen refueling station with the gas-liquid hydrogen double unloading system as claimed in claim 1, wherein: the gas hydrogen unloading unit comprises a gas hydrogen source (201) and an air unloading column (202), wherein the gas hydrogen source (201) is connected with the air unloading column (202) through a vacuum hose.
4. A hydrogen plant with a dual gas-liquid hydrogen offloading system according to claim 3, characterized in that: check valves (10) are arranged on the output end of the liquid hydrogen source (101), the output end of the gas hydrogen source (201) and the straight-through pipeline (6) to control the flow direction of the liquid hydrogen or the gas hydrogen.
5. The hydrogen refueling station with the gas-liquid hydrogen double unloading system as claimed in claim 1, wherein: the hydrogen output unit comprises a hydrogen storage device (501) and a hydrogenation machine (502), the input end of the hydrogen storage device (501) is connected with the output end of the secondary compressor (4) and the output end of the straight-through pipeline (6) through pipelines respectively, the hydrogen storage device (501) can be used for storing hydrogen and filling the hydrogen into the hydrogenation machine (502), the input end of the hydrogenation machine (502) is connected with the output end of the secondary compressor (4), the output end of the straight-through pipeline (6) and the output end of the hydrogen storage device (501) through pipelines respectively, and the hydrogenation machine (502) can receive the hydrogen and directly fill the hydrogen into a vehicle.
6. The hydrogen adding station with the gas-liquid hydrogen double unloading system according to claim 5, characterized in that: the device is characterized by further comprising a return pipe (11), wherein the input end of the return pipe (11) is connected with the output end of the hydrogen storage device (501), the output end of the return pipe (11) is connected with the input end of the secondary compressor (4), and a return cut-off valve (12) is further arranged on the return pipe (11).
7. The hydrogen adding station with the gas-liquid hydrogen double unloading system according to claim 5, characterized in that: and safety valves (13) are arranged at the output end of the primary compressor (3), the output end of the secondary compressor (4) and the inside of the hydrogenation machine (502).
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117072859A (en) * | 2023-09-26 | 2023-11-17 | 同济大学 | A liquid hydrogen refueling station and its operation method |
| CN117287628A (en) * | 2023-09-26 | 2023-12-26 | 同济大学 | Liquid hydrogen booster-type hydrogenation station and operation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117072859A (en) * | 2023-09-26 | 2023-11-17 | 同济大学 | A liquid hydrogen refueling station and its operation method |
| CN117287628A (en) * | 2023-09-26 | 2023-12-26 | 同济大学 | Liquid hydrogen booster-type hydrogenation station and operation method thereof |
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