CN114688445B - Hydrogen liquid hydrogen hydrogenation station - Google Patents
Hydrogen liquid hydrogen hydrogenation station Download PDFInfo
- Publication number
- CN114688445B CN114688445B CN202210439455.8A CN202210439455A CN114688445B CN 114688445 B CN114688445 B CN 114688445B CN 202210439455 A CN202210439455 A CN 202210439455A CN 114688445 B CN114688445 B CN 114688445B
- Authority
- CN
- China
- Prior art keywords
- hydrogen
- gas
- liquid
- mixer
- liquid hydrogen
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000001257 hydrogen Substances 0.000 title claims abstract description 481
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 481
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 255
- 239000007788 liquid Substances 0.000 title claims abstract description 159
- 238000005984 hydrogenation reaction Methods 0.000 title claims abstract description 78
- 150000002431 hydrogen Chemical class 0.000 title claims abstract description 49
- 239000007789 gas Substances 0.000 claims abstract description 60
- 238000001816 cooling Methods 0.000 claims description 6
- 239000006200 vaporizer Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 230000001276 controlling effect Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 239000000446 fuel Substances 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 239000005431 greenhouse gas Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
Classifications
-
- 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
-
- 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
- F17C13/00—Details of vessels or of the filling or discharging of vessels
-
- 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
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/04—Arrangement or mounting of valves
-
- 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
- F17C7/00—Methods or apparatus for discharging liquefied, solidified, or compressed gases from pressure vessels, not covered by another subclass
-
- 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
- F17C2225/00—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel
- F17C2225/01—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel characterised by the phase
- F17C2225/0146—Two-phase
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Hydrogen, Water And Hydrids (AREA)
Abstract
The invention discloses a gas-hydrogen liquid hydrogen hydrogenation station, which relates to the field of hydrogenation stations and comprises a gas-hydrogen storage tank, a liquid-hydrogen storage tank and at least one hydrogenation unit, wherein the gas-hydrogen storage tank is connected with the hydrogenation unit through a gas-hydrogen pipeline, the liquid-hydrogen storage tank is connected with the hydrogenation unit through a liquid-hydrogen pipeline, a gas-hydrogen compressor and a first gas-liquid hydrogen mixer are connected to the gas-hydrogen pipeline, a liquid-hydrogen pump and a liquid-hydrogen distributor are connected to the liquid-hydrogen pipeline, the input end of the liquid-hydrogen distributor is connected with the liquid-hydrogen pump, the output end of the liquid-hydrogen distributor is respectively connected with the first gas-liquid hydrogen mixer and the hydrogenation unit, the first gas-liquid hydrogen mixer is used for mixed precooling of gas hydrogen and liquid hydrogen, and the hydrogenation unit comprises a second gas-liquid hydrogen mixer and a hydrogenation machine, and the second gas-liquid hydrogen mixer is used for adjusting the hydrogen filling temperature. The invention reduces the temperature of the gas hydrogen and simultaneously absorbs heat to vaporize the liquid hydrogen into gaseous hydrogen, thereby saving energy and simplifying the design and operation of the whole hydrogenation station.
Description
Technical Field
The invention relates to the field of hydrogen adding stations, in particular to a gas-hydrogen liquid hydrogen adding station.
Background
The hydrogen energy is a recognized clean energy, and the calorific value of the hydrogen is the highest in common fuels and is about 3 times of that of petroleum and 4.5 times of that of coal, so that the hydrogen energy automobile has outstanding advantages in the aspects of reducing air pollution, reducing greenhouse gas emission, reducing dependence on traditional energy and the like, and the hydrogen station is a gas station for providing hydrogen for the fuel cell automobile, and the construction of the hydrogen station is gradually accelerated along with the development of the hydrogen energy.
The existing hydrogen adding stations can be divided into a gas hydrogen adding station and a liquid hydrogen adding station according to the phase state of stored hydrogen; the gas hydrogen hydrogenation station can be divided into: the hydrogen filling system comprises a 35MPa hydrogen filling station and a 70MPa hydrogen filling station, wherein the hydrogen filling needs to be pre-cooled before filling, so that the filling rate is improved, the overtemperature risk of a hydrogen storage bottle in the filling process is reduced, and the pre-cooling temperature ranges are respectively defined according to the standard of an internationally widely accepted hydrogen filling protocol SAEJ 2601: -40 to-33 ℃, -33 to-26 ℃, and-26 to-17.5 ℃, and 3 levels, so that the existing hydrogen adding station needs to be provided with a water chilling unit to pre-cool the outlet hydrogen of the compressor or the hydrogen before filling. For a liquid hydrogen hydrogenation station, hydrogen is required to be gasified by a carburetor or a heat exchanger and then stored or filled, and precooled hydrogen is required before filling and storing so as to prevent the hydrogen storage bottle group from being overtemperature; therefore, the entire hydrogen addition station needs to be equipped with a chiller or heat exchanger to pre-cool the hydrogen gas temperature.
The existing pre-cooling device of the hydrogenation station increases the complexity, the running cost and the investment cost of the design of the hydrogenation station, and meanwhile, the liquid hydrogen hydrogenation station needs to gasify all liquid hydrogen to be stored and filled after being changed into a gas phase, so that a large amount of energy is wasted. Therefore, there is a need for a docking station that is simple in design and that saves pre-chilling energy.
Disclosure of Invention
The invention aims at: the utility model provides a gas hydrogen liquid hydrogen hydrogenation station to solve the complicated, running cost and the high problem of investment cost of hydrogenation station design among the background art, through the heat transfer between gas hydrogen and the liquid hydrogen, gas hydrogen, liquid hydrogen is through twice mixing, liquid hydrogen absorbs the heat and gasifies into gaseous hydrogen when cooling down to gas hydrogen, can utilize the cold volume control of liquid hydrogen to adjust the temperature of hydrogen completely, make the hydrogen reach preset filling temperature, liquid hydrogen need not gasify into gas hydrogen, save energy, improve the energy efficiency of whole hydrogen life cycle, and, need not install vaporizer and heat exchanger, the installation of whole hydrogenation station no cooling water set or heat exchanger, can simplify whole hydrogenation station design and operation.
The technical scheme adopted by the invention is as follows:
the invention relates to a gas-hydrogen liquid hydrogen hydrogenation station which comprises a gas-hydrogen storage tank, a liquid-hydrogen storage tank and at least one hydrogenation unit, wherein the gas-hydrogen storage tank is connected with the hydrogenation unit through a gas-hydrogen pipeline, the liquid-hydrogen storage tank is connected with the hydrogenation unit through a liquid-hydrogen pipeline, the gas-hydrogen pipeline is connected with a gas-hydrogen compressor and a first gas-liquid hydrogen mixer, the liquid-hydrogen pipeline is connected with a liquid-hydrogen pump and a liquid-hydrogen distributor, the input end of the liquid-hydrogen distributor is connected with the liquid-hydrogen pump, the output end of the liquid-hydrogen distributor is respectively connected with a first gas-liquid hydrogen mixer and the hydrogenation unit, the first gas-liquid hydrogen mixer is used for mixing and precooling gas hydrogen and liquid hydrogen, the input end of the first gas-liquid hydrogen mixer is respectively connected with a gas-hydrogen compressor and the liquid-hydrogen distributor, the output end of the first gas-liquid hydrogen mixer is connected with the hydrogenation unit, the hydrogenation unit comprises a second gas-liquid hydrogen mixer and the hydrogenation unit, the second gas-liquid hydrogen mixer is used for adjusting the hydrogen filling temperature, and the input end of the second gas-liquid-hydrogen mixer is respectively connected with the first gas-liquid hydrogen mixer and the second gas-liquid hydrogen mixer.
Further, the gas-hydrogen pipeline valves are arranged at the gas-hydrogen input ends of the first gas-liquid hydrogen mixer and the hydrogenation unit, the liquid-hydrogen pipeline valves are also arranged at the liquid-hydrogen input ends of the first gas-liquid hydrogen mixer and the hydrogenation unit, the gas-hydrogen pipeline valves are used for controlling the gas-hydrogen flow and the unidirectional flow of the gas-hydrogen, and the liquid-hydrogen pipeline valves are used for controlling the liquid-hydrogen flow and the unidirectional flow of the liquid-hydrogen.
Further, the device also comprises temperature sensing devices arranged on the first gas-liquid hydrogen mixer and the second gas-liquid hydrogen mixer, the gas-hydrogen pipeline valve and the liquid-hydrogen pipeline valve are connected with the temperature sensing devices, and the temperature sensing devices respectively control the opening of the gas-hydrogen pipeline valve and the opening of the liquid-hydrogen pipeline valve so as to control the flow ratio of the gas hydrogen to the liquid hydrogen.
Furthermore, the output ends of the gas hydrogen storage tank and the liquid hydrogen storage tank are also provided with check valves.
Further, the device also comprises a hydrogen storage device for storing precooled gas and hydrogen, wherein the input end of the hydrogen storage device is connected with the output end of the first gas-liquid hydrogen mixer through a pipeline, and the output end of the hydrogen storage device is connected with the hydrogenation unit through a pipeline.
Further, the volumes of the gas hydrogen storage tank and the liquid hydrogen storage tank are set in proportion.
Further, the hydrogenation machine comprises a hydrogenation gun, a flowmeter, a pressure control valve, a temperature sensor, a pressure sensor and a display, and hydrogen is directly filled into the vehicle through the hydrogenation gun.
Furthermore, the liquid hydrogen pipeline and the gas hydrogen pipeline are heat-insulating pipelines.
Further, the first gas-liquid hydrogen mixer and the second gas-liquid hydrogen mixer are mixing pipelines, coils, common containers or special mixers.
In summary, due to the adoption of the technical scheme, the beneficial effects of the invention are as follows:
1. the invention relates to a gas-hydrogen liquid hydrogen hydrogenation station, which is characterized in that the gas-hydrogen and liquid hydrogen are mixed twice through heat transfer between the gas-hydrogen and the liquid hydrogen, the gas-hydrogen is cooled, the liquid hydrogen absorbs heat and is gasified into gaseous hydrogen, the temperature of the hydrogen can be controlled and regulated by completely utilizing the cold energy of the liquid hydrogen, so that the hydrogen reaches the preset filling temperature, the liquid hydrogen does not need to be gasified into the gas-hydrogen, the energy is saved, the energy efficiency of the whole hydrogen life cycle is improved, and a vaporizer and a heat exchanger are not required to be installed, so that the installation of a cold water machine set or a heat exchanger of the whole hydrogenation station is omitted, and the design and the operation of the whole hydrogenation station can be simplified.
2. The invention relates to a gas-hydrogen liquid hydrogen hydrogenation station, which is characterized in that the opening degrees of a gas-hydrogen pipeline valve and a liquid-hydrogen pipeline valve are regulated and controlled through a temperature sensing device, so that the flow ratio of gas hydrogen to liquid hydrogen is controlled, the mixing of quantitative gas hydrogen and quantitative liquid hydrogen in a gas-liquid hydrogen mixer reaches the preset gas-hydrogen temperature, and the gas-liquid hydrogen is mixed twice, so that the gas-hydrogen liquid hydrogen reaches the temperature required by filling hydrogen into a vehicle.
3. The invention relates to a gas-hydrogen liquid hydrogen hydrogenation station, which reasonably utilizes liquid hydrogen and gas hydrogen through the volume proportion arrangement of a gas-hydrogen storage tank and a liquid hydrogen storage tank, can reduce the storage of redundant gas hydrogen or liquid hydrogen and saves the cost.
Drawings
For a clearer description of the technical solutions of embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and should not be considered limiting in scope, and other related drawings can be obtained according to these drawings without inventive effort for a person skilled in the art, wherein:
fig. 1 is a schematic view of the overall structure of the present invention.
Reference numerals illustrate: the device comprises a 1-gas-hydrogen storage tank, a 101-gas-hydrogen pipeline, a 2-liquid-hydrogen storage tank, a 201-liquid-hydrogen pipeline, a 3-hydrogenation unit, a 301-second gas-liquid-hydrogen mixer, a 302-hydrogenation machine, a 4-gas-hydrogen compressor, a 5-first gas-liquid-hydrogen mixer, a 6-liquid-hydrogen pump, a 7-liquid-hydrogen distributor, an 8-gas-hydrogen pipeline valve, a 9-liquid-hydrogen pipeline valve, a 10-temperature sensing device, an 11 check valve and a 12-hydrogen storage device.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the particular embodiments described herein are illustrative only and are not intended to limit the invention, i.e., the embodiments described are merely some, but not all, of the embodiments of the invention. The components of the 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 should 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 should be understood that the terms "upper," "lower," "left," "right," and the like indicate an orientation or positional relationship based on that shown in the drawings, and are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
The features and capabilities of the present invention are described in further detail below in connection with examples.
Example 1
As shown in fig. 1, the invention relates to a gas-hydrogen liquid hydrogen hydrogenation station, which comprises a gas-hydrogen storage tank 1, a liquid-hydrogen storage tank 2 and at least one hydrogenation unit 3, wherein the gas-hydrogen storage tank 1 is connected with the hydrogenation unit 3 through a gas-hydrogen pipeline 101, the liquid-hydrogen storage tank 2 is connected with the hydrogenation unit 3 through a liquid-hydrogen pipeline 201, a gas-hydrogen compressor 4 and a first gas-liquid hydrogen mixer 5 are connected to the gas-hydrogen pipeline 101, a liquid-hydrogen pump 6 and a liquid-hydrogen distributor 7 are connected to the liquid-hydrogen pipeline 201, the input end of the liquid-hydrogen distributor 7 is connected with the liquid-hydrogen pump 6, the output end of the liquid-hydrogen distributor 7 is respectively connected with a first gas-liquid hydrogen mixer 5 and a hydrogenation unit 3, the first gas-liquid hydrogen mixer 5 is used for mixing precooling gas-hydrogen and liquid hydrogen, the input end of the first gas-liquid-hydrogen mixer 5 is respectively connected with the gas-hydrogen compressor 4 and the liquid-hydrogen distributor 7, the output end of the first gas-liquid-hydrogen mixer 5 is connected with the hydrogenation unit 3, the hydrogenation unit 3 comprises a second gas-liquid-hydrogen mixer 301 and a hydrogenation machine 302, the second gas-liquid-hydrogen mixer 301 is connected with the first gas-hydrogen mixer 301, and the first gas-hydrogen mixer 301 is used for injecting hydrogen gas-hydrogen into the first gas-liquid hydrogen mixer 301, and the first gas-hydrogen mixer 301 is connected with the first gas-hydrogen mixer 301.
The existing hydrogen adding station has complex overall design and high operation cost, and the liquid hydrogen adding station needs to store and add all liquid hydrogen after vaporizing all liquid hydrogen into gas phase, thereby wasting a great deal of energy. The present invention includes a gas-hydrogen storage tank 1, a liquid-hydrogen storage tank 2 and at least one hydrogenation unit 3, the gas-hydrogen storage tank 1 is grounded, the liquid-hydrogen pump 6 and the gas-hydrogen compressor 4 are started simultaneously, in this embodiment, the gas-hydrogen compressor 4 adopts a diaphragm compressor, after the gas-hydrogen in the gas-hydrogen storage tank 1 is compressed by the gas-hydrogen compressor 4, the temperature rises, the gas-hydrogen enters the first gas-liquid hydrogen mixer 5, the liquid-hydrogen in the liquid-hydrogen storage tank 2 enters the liquid-hydrogen distributor 7 through the work of the liquid-hydrogen pump 6, the liquid-hydrogen distributor 7 distributes a certain proportion of the liquid-hydrogen into the first gas-liquid hydrogen mixer 5 according to the volume of the gas-hydrogen in the first gas-liquid hydrogen mixer 5, the hydrogen is pre-cooled to be normal temperature through the heat transfer between the gas-hydrogen and the liquid-hydrogen, when the hydrogen needs to be filled into the vehicle, the pre-cooled gas-hydrogen enters the second gas-liquid hydrogen mixer 301 of the hydrogenation unit, and simultaneously, the liquid-hydrogen distributor 7 quantitatively distributes the liquid hydrogen according to the amount of the gas-hydrogen to be cooled in the second gas-liquid-hydrogen mixer 301, so that the temperature output by the second gas-liquid-hydrogen mixer 301 reaches the first gas-hydrogen mixer 302 or the second gas-hydrogen mixer 302 can be filled outside the vehicle before the vehicle or the vehicle is filled with the hydrogen.
In the invention, as the temperature of the gas hydrogen in the gas hydrogen storage tank 1 is increased after the gas hydrogen is compressed by the gas hydrogen compressor 4, the gas hydrogen is mixed with the liquid hydrogen, the gas hydrogen transfers heat to the liquid hydrogen, so that the liquid hydrogen is vaporized into the gas hydrogen, the temperature of the gas hydrogen is reduced, and the hydrogen reaches the preset filling temperature after the gas hydrogen and the liquid hydrogen are mixed twice. The invention reduces the temperature of the gas hydrogen and the liquid hydrogen through heat transfer, and simultaneously absorbs the heat to vaporize the liquid hydrogen into gaseous hydrogen, so that the cold energy of the liquid hydrogen can be fully utilized to control and regulate the temperature of compressed or filled hydrogen, a vaporizer and a heat exchanger are not required to be arranged, and the whole hydrogenation station is not provided with a cold water unit or a heat exchanger, so that the design and operation of the whole hydrogenation station can be simplified, the liquid hydrogen is not required to vaporize into the gas hydrogen, the energy is saved, and the energy efficiency of the whole hydrogen life cycle is improved.
Example two
This example is a further illustration of the present invention.
As shown in fig. 1, in this embodiment, in a preferred embodiment of the present invention, gas-hydrogen pipeline valves 8 are disposed at the gas-hydrogen input ends of the first gas-liquid-hydrogen mixer 5 and the hydrogenation unit 3, and liquid-hydrogen pipeline valves 9 are further disposed at the liquid-hydrogen input ends of the first gas-liquid-hydrogen mixer 5 and the hydrogenation unit 3, where the gas-hydrogen pipeline valves 8 are used for controlling the flow rate of gas hydrogen and the unidirectional flow of gas hydrogen, and the liquid-hydrogen pipeline valves 9 are used for controlling the flow rate of liquid hydrogen and the unidirectional flow of liquid hydrogen.
In a preferred embodiment of the present invention, the temperature sensing device 10 is further arranged on the first gas-liquid hydrogen mixer 5 and the second gas-liquid hydrogen mixer 301, the gas-hydrogen pipeline valve 8 and the liquid-hydrogen pipeline valve 9 are connected with the temperature sensing device 10, and the temperature sensing device 10 controls the opening degree of the gas-hydrogen pipeline valve 8 and the opening degree of the liquid-hydrogen pipeline valve 9 respectively so as to control the flow ratio of the gas hydrogen and the liquid hydrogen.
Preferably, the output ends of the gas hydrogen storage tank 1 and the liquid hydrogen storage tank 2 are also provided with check valves 11.
In this embodiment, the temperature sensing device 9 includes a temperature sensor and a temperature display, the temperature sensor detects the temperature of the mixed hydrogen in the first gas-liquid hydrogen mixer 5, and the temperature value is displayed on the temperature display, the temperature sensing device 9 controls the opening of the gas-hydrogen pipeline valve 8 and the liquid-hydrogen pipeline valve 9 at the input end of the first gas-liquid hydrogen mixer 5 through an external controller, so as to control the flow ratio of the gas-hydrogen to the liquid-hydrogen to make the flow ratio reach the preset gas-hydrogen temperature in the first gas-liquid hydrogen mixer 5, in this embodiment, two hydrogenation units 3 are provided for matching vehicles with different temperature hydrogen requirements, and the input end of each hydrogenation unit 3 is provided with the liquid-hydrogen pipeline valve 9 and the gas-hydrogen pipeline valve 8 to respectively control the liquid-hydrogen distributed by the liquid-hydrogen distributor 7 and the gas-hydrogen flow ratio after the first pre-cooling to make the flow ratio reach the temperature required by filling hydrogen into the vehicles.
Example III
This example is a further illustration of the present invention.
As shown in fig. 1, this embodiment is based on the foregoing embodiment, and in a preferred embodiment of the present invention, the apparatus further includes a hydrogen storage device 12 for storing pre-cooled gaseous hydrogen, where an input end of the hydrogen storage device 12 is connected to an output end of the first gaseous hydrogen mixer 5 through a pipeline, and an output end of the hydrogen storage device 12 is connected to the hydrogenation unit 3 through a pipeline.
In this embodiment, the hydrogen storage device 12 is a medium-pressure hydrogen storage bottle set, and the temperature of the hydrogen stored in the hydrogen storage bottle set is ambient temperature, typically 15-40 ℃.
In this embodiment, after the gas hydrogen is precooled by the first gas-liquid hydrogen mixer 5, most of the hydrogen can be stored in the hydrogen storage device 12, when the hydrogen needs to be filled into the hydrogen fuel cell vehicle, the hydrogen enters the second gas-liquid hydrogen mixer 301 from one of the hydrogen storage bottles of the hydrogen storage device 12, meanwhile, the liquid hydrogen distributor 7 distributes quantitative liquid hydrogen to the second gas-liquid hydrogen mixer 301, the gas hydrogen and the liquid hydrogen are mixed, the liquid hydrogen is vaporized, the gas hydrogen is cooled to the filling temperature, and then the hydrogen is filled into the vehicle through the hydrogenation machine 302.
Example IV
This example is a further illustration of the present invention.
On the basis of the above embodiments, in a preferred embodiment of the present invention, the volumes of the gas hydrogen tank 1 and the liquid hydrogen tank 2 are set proportionally.
By adopting the structure, the volumes of the gas-hydrogen storage tank 1 and the liquid-hydrogen storage tank 2 can be determined according to the total filling quantity of the hydrogenation station after the liquid hydrogen and the gas hydrogen are mixed according to the proportion; for example: liquid hydrogen and gaseous hydrogen are required to be in the ratio of 1:9 is mixed into gas hydrogen with the temperature of minus 10 ℃, the total station scale of the hydrogenation station is 1000kg/d, the supply storage capacity of the liquid hydrogen and the gas hydrogen of the hydrogenation station is 100kg and 900kg respectively, and the high-temperature gas hydrogen and the liquid hydrogen which need to be cooled are mixed twice to reduce the temperature to reach the filling temperature. Through the volume proportion setting of the gas hydrogen storage tank 1 and the liquid hydrogen storage tank 2, the liquid hydrogen and the gas hydrogen are reasonably utilized, the storage of redundant gas hydrogen or liquid hydrogen can be reduced, and the cost is saved.
Example five
This example is a further illustration of the present invention.
This embodiment based on the above embodiment, in a preferred embodiment of the present invention, the hydrogenation machine 302 includes a hydrogenation gun, a flow meter, a pressure control valve, a temperature sensor, a pressure sensor, and a display, and the hydrogen is directly fed into the vehicle through the hydrogenation gun.
In this embodiment, the hydrotreater 302 is provided with a flow meter for calculating the amount of hydrogen to be filled, a pressure sensor and a pressure control valve for detecting the pressure of hydrogen to be filled and adjusting and controlling, a temperature sensor for detecting the temperature of hydrogen to be filled, and a display for displaying the values of pressure, temperature, flow rate, etc.
Example six
This example is a further illustration of the present invention.
On the basis of the above embodiments, in a preferred embodiment of the present invention, the liquid hydrogen pipeline 201 and the gas hydrogen pipeline 101 are both heat insulation pipelines.
Example six
This example is a further illustration of the present invention.
On the basis of the above embodiment, in a preferred embodiment of the present invention, the first gas-liquid-hydrogen mixer 5 and the second gas-liquid-hydrogen mixer 301 may be mixing pipes, coils, common containers or special mixers, and in this embodiment, the common containers may be selected.
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 are not creatively contemplated by those skilled in the art within the technical scope of the present invention should be included in the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.
Claims (9)
1. The utility model provides a gas-hydrogen liquid hydrogen hydrogenation station, includes gas-hydrogen storage tank (1), liquid-hydrogen storage tank (2) and at least one hydrogenation unit (3), be connected through gas-hydrogen pipeline (101) between gas-hydrogen storage tank (1) and the hydrogenation unit (3), be connected through liquid-hydrogen pipeline (201) between liquid-hydrogen storage tank (2) and the hydrogenation unit (3), its characterized in that: the hydrogen gas pipeline (101) is connected with a gas-hydrogen compressor (4) and a first gas-liquid hydrogen mixer (5), the liquid hydrogen pipeline (201) is connected with a liquid hydrogen pump (6) and a liquid hydrogen distributor (7), the input end of the liquid hydrogen distributor (7) is connected with the liquid hydrogen pump (6), the output end of the liquid hydrogen distributor (7) is respectively connected with the first gas-liquid hydrogen mixer (5) and a hydrogenation unit (3) through the liquid hydrogen pipeline (201), the first gas-liquid hydrogen mixer (5) is used for mixing and precooling gas and liquid hydrogen, the input end of the first gas-liquid hydrogen mixer (5) is respectively connected with the gas-hydrogen compressor (4) and the liquid hydrogen distributor (7), the output end of the first gas-liquid hydrogen mixer (5) is connected with the hydrogenation unit (3), the hydrogenation unit (3) comprises a second gas-liquid hydrogen mixer (301) and a hydrogenation machine (302), the second gas-liquid hydrogen mixer (301) is used for adjusting the hydrogen filling temperature, and the input end of the second gas-liquid hydrogen mixer (5) is respectively connected with the first gas-liquid hydrogen mixer (301), and the second gas-liquid hydrogen mixer (301) is connected with the first gas-liquid hydrogen mixer (302); after being compressed by a gas-hydrogen compressor (4), the gas hydrogen in the gas-hydrogen storage tank (1) is heated, and is mixed with the liquid hydrogen, and the heat is transferred to the liquid hydrogen by the gas hydrogen, so that the liquid hydrogen is vaporized into gas hydrogen, the temperature of the gas hydrogen is reduced, and the hydrogen reaches the preset filling temperature after two times of gas hydrogen and liquid hydrogen mixing; the liquid hydrogen absorbs heat to vaporize into gaseous hydrogen while cooling the gaseous hydrogen through heat transfer between the gaseous hydrogen and the liquid hydrogen, so that the cooling capacity of the liquid hydrogen can be fully utilized to control and regulate the temperature of compressed or filled hydrogen without installing a vaporizer and a heat exchanger, and meanwhile, the whole hydrogenation station has no installation of a cold water machine set or a heat exchanger, so that the design and operation of the whole hydrogenation station can be simplified, the liquid hydrogen does not need to vaporize into gaseous hydrogen, the energy is saved, and the energy efficiency of the whole hydrogen life cycle is improved.
2. A gas-to-hydrogen liquid hydrogen addition station as claimed in claim 1, wherein: the gas-liquid hydrogen input ends of the first gas-liquid hydrogen mixer (5) and the hydrogenation unit (3) are respectively provided with a gas-hydrogen pipeline valve (8), the liquid hydrogen input ends of the first gas-liquid hydrogen mixer (5) and the hydrogenation unit (3) are also provided with a liquid hydrogen pipeline valve (9), the gas-hydrogen pipeline valve (8) is used for controlling gas-hydrogen flow and unidirectional flow of gas-hydrogen, and the liquid hydrogen pipeline valve (9) is used for controlling liquid hydrogen flow and unidirectional flow of liquid hydrogen.
3. A gas-to-hydrogen liquid hydrogen addition station as claimed in claim 2, wherein: the device is characterized by further comprising temperature sensing devices (10) arranged on the first gas-liquid hydrogen mixer (5) and the second gas-liquid hydrogen mixer (301), wherein the gas-hydrogen pipeline valve (8) and the liquid-hydrogen pipeline valve (9) are connected with the temperature sensing devices (10), and the temperature sensing devices (10) respectively control the opening of the gas-hydrogen pipeline valve (8) and the opening of the liquid-hydrogen pipeline valve (9) so as to control the flow ratio of gas hydrogen to liquid hydrogen.
4. A gas-to-hydrogen liquid hydrogen addition station as claimed in claim 2, wherein: the output ends of the gas hydrogen storage tank (1) and the liquid hydrogen storage tank (2) are also provided with check valves (11).
5. A gas-to-hydrogen liquid hydrogen addition station as claimed in claim 1, wherein: the hydrogen storage device (12) is used for storing precooled gas and hydrogen, the input end of the hydrogen storage device (12) is connected with the output end of the first gas-liquid-hydrogen mixer (5) through a pipeline, and the output end of the hydrogen storage device (12) is connected with the hydrogenation unit (3) through a pipeline.
6. A gas-to-hydrogen liquid hydrogen addition station as claimed in claim 1, wherein: the volumes of the gas hydrogen storage tank (1) and the liquid hydrogen storage tank (2) are set in proportion.
7. A gas-to-hydrogen liquid hydrogen addition station as claimed in claim 1, wherein: the hydrotreater (302) includes a hydrotreater gun, a flow meter, a pressure control valve, a temperature sensor, a pressure sensor, and a display, through which hydrogen is directly fed to the vehicle.
8. A gas-to-hydrogen liquid hydrogen addition station as claimed in claim 1, wherein: the liquid hydrogen pipeline (201) and the gas hydrogen pipeline (101) are heat-insulating pipelines.
9. A gas-to-hydrogen liquid hydrogen addition station as claimed in claim 1, wherein: the first gas-liquid hydrogen mixer (5) and the second gas-liquid hydrogen mixer (301) are mixing pipelines, coils, common containers or special mixers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210439455.8A CN114688445B (en) | 2022-04-25 | 2022-04-25 | Hydrogen liquid hydrogen hydrogenation station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210439455.8A CN114688445B (en) | 2022-04-25 | 2022-04-25 | Hydrogen liquid hydrogen hydrogenation station |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114688445A CN114688445A (en) | 2022-07-01 |
| CN114688445B true CN114688445B (en) | 2023-10-27 |
Family
ID=82145348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210439455.8A Active CN114688445B (en) | 2022-04-25 | 2022-04-25 | Hydrogen liquid hydrogen hydrogenation station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114688445B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115388324A (en) * | 2022-07-28 | 2022-11-25 | 杭氧集团股份有限公司 | Gas-liquid hydrogen combined supply hydrogenation station |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108561749A (en) * | 2018-06-07 | 2018-09-21 | 张家港氢云新能源研究院有限公司 | Mixing loading system applied to liquid hydrogen hydrogenation stations |
| CN208397688U (en) * | 2018-06-07 | 2019-01-18 | 张家港氢云新能源研究院有限公司 | Mixing loading system applied to liquid hydrogen hydrogenation stations |
| CN109707990A (en) * | 2019-01-24 | 2019-05-03 | 张家港氢云新能源研究院有限公司 | A kind of hydrogenation system based on deep cooling high-pressure hydrogen storing |
| CN109708000A (en) * | 2019-02-25 | 2019-05-03 | 北方工业大学 | A kind of L-CH2 type hydrogenation stations heat management system |
| WO2020121246A1 (en) * | 2018-12-13 | 2020-06-18 | Graf S.P.A. | Hydrogen refueling station |
| JP2021139375A (en) * | 2020-03-02 | 2021-09-16 | トキコシステムソリューションズ株式会社 | Hydrogen loading system |
| CN113483259A (en) * | 2021-07-16 | 2021-10-08 | 东南大学 | Mixed filling system of liquid hydrogen storage type hydrogen filling station |
| CN215674743U (en) * | 2021-07-05 | 2022-01-28 | 江阴市富仁高科股份有限公司 | Mixed filling system applied to liquid hydrogen filling station |
| CN216079287U (en) * | 2021-05-17 | 2022-03-18 | 中国科学院理化技术研究所 | Low-temperature high-pressure hydrogen mixed filling type hydrogen filling station |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5890748B2 (en) * | 2012-05-22 | 2016-03-22 | 川崎重工業株式会社 | Liquid hydrogen production equipment |
-
2022
- 2022-04-25 CN CN202210439455.8A patent/CN114688445B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108561749A (en) * | 2018-06-07 | 2018-09-21 | 张家港氢云新能源研究院有限公司 | Mixing loading system applied to liquid hydrogen hydrogenation stations |
| CN208397688U (en) * | 2018-06-07 | 2019-01-18 | 张家港氢云新能源研究院有限公司 | Mixing loading system applied to liquid hydrogen hydrogenation stations |
| WO2020121246A1 (en) * | 2018-12-13 | 2020-06-18 | Graf S.P.A. | Hydrogen refueling station |
| CN109707990A (en) * | 2019-01-24 | 2019-05-03 | 张家港氢云新能源研究院有限公司 | A kind of hydrogenation system based on deep cooling high-pressure hydrogen storing |
| CN109708000A (en) * | 2019-02-25 | 2019-05-03 | 北方工业大学 | A kind of L-CH2 type hydrogenation stations heat management system |
| JP2021139375A (en) * | 2020-03-02 | 2021-09-16 | トキコシステムソリューションズ株式会社 | Hydrogen loading system |
| CN216079287U (en) * | 2021-05-17 | 2022-03-18 | 中国科学院理化技术研究所 | Low-temperature high-pressure hydrogen mixed filling type hydrogen filling station |
| CN215674743U (en) * | 2021-07-05 | 2022-01-28 | 江阴市富仁高科股份有限公司 | Mixed filling system applied to liquid hydrogen filling station |
| CN113483259A (en) * | 2021-07-16 | 2021-10-08 | 东南大学 | Mixed filling system of liquid hydrogen storage type hydrogen filling station |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114688445A (en) | 2022-07-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Bauer et al. | Energetic evaluation of hydrogen refueling stations with liquid or gaseous stored hydrogen | |
| CN109708000B (en) | L-CH2 type hydrogen station heat management system | |
| CN104265512B (en) | High-pressure/low-pressure gas supply system of ship power plant | |
| Klell | Storage of hydrogen in the pure form | |
| CN101975335B (en) | Reliquefaction device for boil-off gas from liquefied natural gas vehicle gas filling station | |
| CN101520128B (en) | Movable type method and device for supplying liquid phase natural gas and gas phase natural gas | |
| CN111928109A (en) | Boil-off gas recovery system of hydrogenation station | |
| CN105864636B (en) | LNG filling stations unload without pump, fill, charging system and fill technique | |
| KR19990072363A (en) | Cryogenic fluid cylinder filling system | |
| CN113422087B (en) | Vehicle-mounted low-temperature liquid hydrogen fuel cell system and fuel cell heat exchange method | |
| CN202158352U (en) | L-CNG (liquefied-compressed natural gas) dual-gas resource gas supply device | |
| CN114688445B (en) | Hydrogen liquid hydrogen hydrogenation station | |
| KR20120136073A (en) | Reliquefaction apparatus of liquified gas using fuel lng and liquefied gas carrier having the same | |
| CN113983352A (en) | Hydrogen cooling system of hydrogenation and liquefied natural gas combined station | |
| CN201827660U (en) | Cooling and pressure stabilizing system of liquefied natural gas storage tank | |
| CN216480236U (en) | Hydrogen cooling system of hydrogenation and liquefied natural gas combined station | |
| CN209196537U (en) | A kind of re-liquefied fuel dispensing system of small-sized LNG fuel ship BOG | |
| CN215674743U (en) | Mixed filling system applied to liquid hydrogen filling station | |
| CN106402643A (en) | Air energy low-temperature liquefied gas non-pump filling system | |
| CN202132695U (en) | Mobile liquefied natural gas supply device for drilling well site | |
| JPH10274395A (en) | Natural gas regionally supplying system | |
| CN205173973U (en) | Air can not have pump filling system by low temperature liquefied gas | |
| US20070214830A1 (en) | Hydrogen tank system based on high-surface materials used for intermediate storage of excess hydrogen gas in stationary applications | |
| CN102095071B (en) | Method and device for supplying multifunctional mobile liquid-phase natural gas and gas-phase natural gas | |
| CN212298527U (en) | Boil-off gas recovery system of hydrogenation station |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |