CN206771874U - A kind of device of liquefaction of hydrogen - Google Patents
A kind of device of liquefaction of hydrogen Download PDFInfo
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- CN206771874U CN206771874U CN201720624522.8U CN201720624522U CN206771874U CN 206771874 U CN206771874 U CN 206771874U CN 201720624522 U CN201720624522 U CN 201720624522U CN 206771874 U CN206771874 U CN 206771874U
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Abstract
The utility model discloses a kind of device of liquefaction of hydrogen, it includes the hydrogen gas pipeline being sequentially communicated, heat exchanger A, heat exchanger B, heat exchanger C, flash tank and liquid hydrogen storage tank, inlet channel A and reflux passage A is provided with heat exchanger A, inlet channel B and reflux passage B is provided with heat exchanger B, supercooling channel C and reflux passage C are provided with heat exchanger C, hydrogen gas pipeline connects with inlet channel A air inlet, the gas outlet of inlet channel connects with inlet channel B air inlet, inlet channel B gas outlet connects with the air inlet of channel C is subcooled, the gas outlet of supercooling channel C connects with the air inlet of flash tank, the liquid outlet of flash tank connects with liquid hydrogen storage tank.The utility model flow is simple, flexible adjustment, reliable operation, easy to maintenance, energy consumption is low.
Description
Technical field
It the utility model is related to liquefaction of hydrogen, and in particular to a kind of device of liquefaction of hydrogen.
Background technology
Hydrogen is the main raw material of industry, and most important industrial gasses and special gas, in petrochemical industry, electronics work
Industry, metallurgical industry, food processing, float glass, Minute Organic Synthesis, Aero-Space etc. have a wide range of applications.It is another
Aspect, hydrogen are also a kind of important energy, and the calorific capacity of hydrogen is higher, about the 3 of gasoline calorific capacity times, and the burning of hydrogen is preferable,
It is flammable in the range of 3% ~ 97%.The recycling of hydrogen is preferable, and combustion reaction generation water reusable edible is produced again, is not
To generate electricity, the fuel of fuel cell used for electric vehicle.It is contemplated that future world is by from the form of the economy of energy based on carbon
It is changed into the form of the economy of energy based on hydrogen.
At present, the storage of hydrogen mainly has two kinds of form high-pressure gaseous storages and low temperature liquid.Gaseous compressed high-pressure hydrogen storing is
Most universal and most direct hydrogen storage mode.This is a kind of traditional common method, and hydrogen is stored in through over pressurizeed (about 15MPa)
About 40L steel cylinders are described in device, are directly discharged hydrogen by the regulation can of pressure-reducing valve.Hydrogen gas cylinder can only store
6m3 hydrogen, about 0.5kg hydrogen, less than the 2wt% of loader quality.Its shortcoming is to need thick and heavy pressure vessel, increase fortune
Defeated cost.In addition, hydrogen compression needs to consume many hydrogen work done during compressions.Low temperature liquid storage be hydrogen after overcompression,
Deep cooling is allowed to be changed into liquid hydrogen to less than ~ -250 DEG C, and the density of liquid hydrogen is 845 times of Gaseous Hydrogen under normal pressure, the mass density of liquid hydrogen
It is higher with bulk density.Liquid hydrogen storage is placed on truck, locomotive, ship or aircraft into special heat-insulation vacuum container and transported
It is defeated.Larger defeated hydrogen amount can so be met, again than faster, economical liquid hydrogen is transported to destination.
The condensing temperature of hydrogen is very low, so only hydrogen is pre-cooling to below certain temperature, then throttling expansion ability
Produce cold effect.This characteristic can produce certain difficulty to the liquefaction process of hydrogen.Existing production liquid hydrogen technique has three kinds of liquid
Change circulation, that is, the liquefaction of hydrogen circulation that throttles, the liquefaction of hydrogen circulation with expanding machine and helium refrigeration liquefaction of hydrogen circulation.From liquefaction of hydrogen unit energy
From the point of view of consumption, the energy consumption of circulating with choke and helium refrigeration liquefaction of hydrogen circulation is higher.The dress of the existing liquefaction of hydrogen circulation with expanding machine
The flow put is complicated, it is difficult to simply the course of work is regulated and controled, not easy care.
Utility model content
The purpose of this utility model is overcome the deficiencies in the prior art, there is provided a kind of device of liquefaction of hydrogen, flow letter
List, flexible adjustment, reliable operation, easy to maintenance, energy consumption is low.
The purpose of this utility model is achieved through the following technical solutions：
A kind of device of liquefaction of hydrogen, it include be sequentially communicated hydrogen gas pipeline, heat exchanger A, heat exchanger B, heat exchange
Device C, flash tank and liquid hydrogen storage tank, interior are provided with inlet channel A and reflux passage A, the heat exchanger B of the heat exchanger A are provided with
Be provided with supercooling channel C and reflux passage C in inlet channel B and reflux passage B, the heat exchanger C, the hydrogen gas pipeline with
Inlet channel A air inlet connection, the gas outlet of the inlet channel connect with inlet channel B air inlet, inlet channel B's
Gas outlet connects with the air inlet of channel C is subcooled, and the gas outlet of the supercooling channel C connects with the air inlet of flash tank, described
The liquid outlet of flash tank connects with liquid hydrogen storage tank, and the gas outlet of flash tank connects with reflux passage C air inlet, it is described backflow it is logical
Road C gas outlet connects with reflux passage B air inlet, and the gas outlet of the reflux passage B connects with reflux passage A air inlet
It is logical, gas outlet and the hydrogen gas pipeline communication of the reflux passage A.
Preferably, it is provided with regulating valve B between the air inlet of flash tank and heat exchanger C and regulating valve C, the flash tank enters
Connected between gas port and supercooling channel C by regulating valve B, regulating valve C, institute are provided between the supercooling channel C and reflux passage C
State and connected between the gas outlet of flash tank and reflux passage C by regulating valve D, the gas outlet of the flash tank and regulating valve D it
Between be provided with pressure on the number controller.
Preferably, regulating valve E, the regulating valve E and flash distillation are provided between the liquid outlet and liquid hydrogen storage tank of the flash tank
Liquid level digitial controller is provided between the liquid outlet of tank, is additionally provided with cold passage again in heat exchanger C, the liquid outlet of flash tank with it is cold again
Positive parahydrogen converter C is provided between passage, the liquid outlet of flash tank connects with positive parahydrogen converter C air inlet, described just secondary
Hydrogen converter C exhaust outlet connects with the air inlet of cold passage again, then the gas outlet connection liquid hydrogen storage tank of cold passage.
Preferably, hydrogen recycle compressor and hydrogen circulation pressure are provided between the reflux passage A and hydrogen gas pipeline
Contracting machine cooler, the air inlet of reflux passage A gas outlet connection hydrogen recycle compressor, the hydrogen recycle compressor go out
Gas port connects with the air inlet of hydrogen recycle compressor cooler, the gas outlet of the hydrogen recycle compressor cooler and hydrogen
Admission line connects.
Preferably, the first pre- cold passage A, the second pre- cold passage A and the 3rd that the inlet channel A includes being sequentially communicated are pre-
Cold passage A, the pre- cold passage of hydrogen connect with the first pre- cold passage A, the first pre- pre- cold passage A of cold passage A and second
Between be provided with the first purifying column, be provided with the second purifying column between the second pre- pre- cold passage A of cold passage A and the 3rd；It is described enter
Gas passage B includes the first interconnected pre- pre- cold passage B of cold passage B and second, the first pre- cold passage B and the second precooling
Positive parahydrogen converter B is provided between passage B；It also includes turbine booster expansion machine, and the first pre- cold passage B is pressurized with turbine
The expanding end connection of expanding machine, the expanding end of the turbine booster expansion machine connect with reflux passage B air inlet.
Preferably, interconnected channel of nitrogen and nitrogen reflux passage, turbine pressuring expansion are provided with the heat exchanger A
Turbine booster expansion machine cooler, the outlet of channel of nitrogen and nitrogen are provided between the import of the pressurized end and channel of nitrogen of machine
Regulating valve A is provided between the import of reflux passage, the nitrogen compression being provided between nitrogen reflux passage and turbine booster expansion machine
Machine and nitrogen compressor cooler, the import of the outlet nitrogen compressor of nitrogen reflux passage, the nitrogen compressor
The import of outlet nitrogen compressor cooler, the outlet turbine booster expansion machine of the nitrogen compressor cooler
Pressurized end.
Preferably, the hydrogen gas pipeline is connected with the first pre- cold passage A by the pressurized end of turbine booster expansion machine,
Turbine booster expansion machine cooler is provided between the pressurized end of first pre- the cold passage A and turbine booster expansion machine, it is described to change
Channel of nitrogen is provided with hot device A, the import of the channel of nitrogen is provided with external liquid nitrogen, and the outlet of the channel of nitrogen is provided with nitrogen
Storage device.
The beneficial effects of the utility model are：
1st, energy consumption is low：The liquefaction of hydrogen is used as chilldown system by the use of the nitrogen kind of refrigeration cycle of enclosed, there is provided nitrogen level temperature section
Cold, the shortcomings that high-grade temperature section needs hydrogen recycle compressor largely to do work when overcoming liquefaction of hydrogen, the condensation of hydrogen
Cold mainly is provided by hydrogen itself expansion, under adiabatic conditions, the expanded machine of compression hydrogen expands and externally done work, and can obtain
Obtain bigger temperature drop and cold.The supercooling of hydrogen is that whole liquefaction stages need the minimum part of cold, mainly by the throttling of liquid hydrogen
Cold is provided.The technique realizes different temperatures section, the distribution of different colds, reduces whole device energy consumption；
2nd, flow is simple, strong operability：This technique employs the nitrogen kind of refrigeration cycle and hydrogen kind of refrigeration cycle of enclosed, entirely
There was only two media working media in technique, i.e. nitrogen and hydrogen, and two systems are relatively independent are simple to operate, easily start；
3rd, easy to maintenance, reliable operation：The power-equipment that the present apparatus uses is less, and the medium of power-equipment work is
Single Medium, it is easy to the maintenance of equipment, reduces equipment fault；
4th, also have the advantages that safe and reliable, practicality is wide.
Brief description of the drawings
Fig. 1 is the structural representation of embodiment 1；
Fig. 2 is the structural representation of embodiment 2；
In figure, 1- heat exchangers A, 2- heat exchanger B, 3- heat exchanger C, 4- flash tank, 5- liquid hydrogen storage tanks, 6- hydrogen gas pipes
Road, 7- hydrogen recycle compressors, 8- hydrogen recycle compressor coolers, 9- nitrogen compressors, 10- nitrogen compressor coolers,
11- reflux passages A, 12- the first pre- cold passage A, 13- second the 3rd pre- cold passage A of pre- cold passage A, 14-, 15- nitrogen backflows logical
Road, 16- channel of nitrogen, the purifying columns of 17- first, the purifying columns of 18- second, the pre- cold passage B of pre- cold passage B, 20- second of 19- first,
21- reflux passages B, 22- positive parahydrogen converter B, 23- supercooling channel C, 24- reflux passages C, 25- cold passage again, 26- regulating valves
Positive parahydrogen converter C, 31- regulating valve E, 32- liquid level the numeral controls of A, 27- regulating valve C, 28- regulating valve B, 29- regulating valve D, 30-
Device processed, 33- turbine booster expansion machines, 34- turbine booster expansion machine coolers, 35- pressure on the number controllers.
Embodiment
The technical solution of the utility model, but guarantor of the present utility model are described in further detail with reference to specific embodiment
Shield scope is not limited to as described below.
Embodiment 1
As shown in figure 1, a kind of device of liquefaction of hydrogen, hydrogen gas pipeline 6 that it includes being sequentially communicated, heat exchanger A1,
Heat exchanger B2, heat exchanger C3, flash tank 4 and liquid hydrogen storage tank 5, heat exchanger A1 is interior to be provided with inlet channel A and reflux passage A11, changes
Inlet channel B and reflux passage B21 is provided with hot device B2, supercooling channel C 23 and reflux passage C, hydrogen are provided with heat exchanger C3
Admission line 6 connects with inlet channel A air inlet, and the gas outlet of inlet channel connects with inlet channel B air inlet, air inlet
Passage B gas outlet connects with the air inlet of channel C 23 is subcooled, and the gas outlet of channel C 23 is subcooled and connects with the air inlet of flash tank 4
Logical, the liquid outlet of flash tank 4 connects with liquid hydrogen storage tank 5, and the gas outlet of flash tank 4 connects with reflux passage C air inlet, backflows
The gas outlet of channel C connects with reflux passage B21 air inlet, reflux passage B21 gas outlet and reflux passage A11 air inlet
Mouth connection, reflux passage A11 gas outlet connects with hydrogen gas pipeline 6.Between reflux passage A11 and hydrogen gas pipeline 6
Provided with hydrogen recycle compressor 7 and hydrogen recycle compressor cooler 8, reflux passage A11 gas outlet connection hydrogen circulation pressure
The air inlet of contracting machine 7, the gas outlet of hydrogen recycle compressor 7 connect with the air inlet of hydrogen recycle compressor cooler 8, hydrogen
The gas outlet of recycle compressor cooler 8 connects with hydrogen gas pipeline 6.Inlet channel A includes the first precooling being sequentially communicated
Passage A12, the second pre- pre- cold passage A14 of cold passage A13 and the 3rd, the pre- cold passage of hydrogen connect with the first pre- cold passage A12, the
The first purifying column 17, the second pre- cold passage A13 and the 3rd precooling are provided between the one pre- pre- cold passage A13 of cold passage A12 and second
The second purifying column 18 is provided between passage A14；Inlet channel B includes the first interconnected pre- cold passage B19 and the second precooling
Positive parahydrogen converter B22 is provided between passage B20, the first pre- pre- cold passage B20 of cold passage B19 and second；It also includes turbine
Booster expansion machine 33, the first pre- cold passage B19 connect with the expanding end of turbine booster expansion machine 33, turbine booster expansion machine 33
Expanding end connects with reflux passage B21 air inlet.Interconnected channel of nitrogen 16 is provided with heat exchanger A1 and nitrogen backflows
Passage 15, turbine booster expansion machine cooler is provided between the import of the pressurized end and channel of nitrogen 16 of turbine booster expansion machine 33
34, be provided with regulating valve A26 between the outlet of channel of nitrogen 16 and the import of nitrogen reflux passage 15, nitrogen reflux passage 15 with
The nitrogen compressor 9 and nitrogen compressor cooler 10 being provided between turbine booster expansion machine 33, nitrogen reflux passage 15 go out
The import of mouth connection nitrogen compressor 9, the import of the outlet nitrogen compressor cooler 10 of nitrogen compressor 9, nitrogen pressure
The pressurized end of the outlet turbine booster expansion machine 33 of contracting machine cooler 10.Between the air inlet and heat exchanger C3 of flash tank 4
Provided with regulating valve B28 and regulating valve C27, connected between the air inlet and supercooling channel C 23 of flash tank 4 by regulating valve B28, mistake
Regulating valve C27 is provided between cold passage C23 and reflux passage C, passes through regulation between the gas outlet of flash tank 4 and reflux passage C
Valve D29 is connected, and pressure on the number controller 35 is provided between the gas outlet of flash tank 4 and regulating valve D29.The liquid outlet of flash tank 4
Regulating valve E31 is provided between liquid hydrogen storage tank 5, liquid level digitial controller is provided between regulating valve E31 and the liquid outlet of flash tank 4
Cold passage 25 again are additionally provided with 32, heat exchanger C3, positive parahydrogen converter is provided between the liquid outlet of flash tank 4 and again cold passage 25
C30, the liquid outlet of flash tank 4 connect with positive parahydrogen converter C30 air inlet, positive parahydrogen converter C30 exhaust outlet with again
The air inlet connection of cold passage 25, then the gas outlet connection liquid hydrogen storage tank 5 of cold passage 25.
Preferably, it is provided with Despumation device in flash tank 4.
In use, be passed through hydrogen into hydrogen gas pipeline 6, the first pre- cold passage A12 by hydrogen_cooling to -150 ~ -
Hydrogen is set to enter the first purifying column 17 removing methane after 170 degrees Celsius；The second pre- cold passage A13 by hydrogen_cooling to -170 ~ -
Hydrogen is set to enter the impurity, then the 3rd in addition to hydrogen such as the removal of carbon monoxide of the second purifying column 18, nitrogen and argon after 190 degrees Celsius
Pre- cold passage A14 is by hydrogen_cooling to -172 ~ -195 degrees Celsius；Hydrogen flows into the first pre- cold passage from the 3rd pre- cold passage A14
B19 is cooled down by cold flow of backflowing, and the liquid hydrogen that temperature is -230 ~ -250 degrees Celsius after cooling flows into positive parahydrogen converter B22
Positive parahydrogen conversion is carried out, the second pre- cold passage B20 is subsequently flowed into and is cooled down, liquefied；Hydrogen after liquefaction entered cold passage
After C23 is subcooled, enter reflux passage C, the adjusted valve of another part as supercooling pneumatic transmission after a part of adjusted valve B28 decompressions
Enter flash tank 4 after C27 decompressions；Flash tank 4 isolates hydrogen flash steam and liquid hydrogen, and the liquid hydrogen positioned at the intracavity bottom of flash tank 4 enters
Enter positive parahydrogen converter C30, cold passage 25C again is flowed into after the conversion of positive parahydrogen, and liquid hydrogen storage is delivered to after adjusted valve E31 pressure regulation
Stored in tank 5, the adjusted valve D29 of the hydrogen flash steam above the inner chamber of flash tank 4 decompressions, into reflux passage C；Backflow
Extremely -190 ~ -230 degrees Celsius, then flow into reflux passage B21 and pass through following current of the hot-fluid re-heat that hydrogen in channel C passes through following current
Hot-fluid re-heat then flows into reflux passage A11 by the hydrogen of following current and nitrogen re-heat to normal temperature to -170 ~ -190 degrees Celsius,
It is pressurized again through hydrogen recycle compressor 7 and normal temperature is cooled to by hydrogen recycle compressor cooler 8, finally imports hydrogen gas
Used in pipeline 6 as hydrogen source.Can also in the first pre- cold passage B19 chilling temperature to -190 ~ -220 degrees Celsius of hydrogen
Gas flows into the expanding end of turbine booster expansion machine 33, is flowed into again in reflux passage B21 after being expanded, and is hydrogen as cold flow
Condensation provides cold.Nitrogen at room in nitrogen reflux passage 15 can also be pressurized into nitrogen compressor 9, compressed through nitrogen
Machine cooler 10 is cooled to normal temperature, and the pressurized end for entering back into turbine booster expansion machine 33 is pressurized again, is pressurized by turbine
Swelling agent cooler is cooled to normal temperature again, then flows into channel of nitrogen 16 and is cooled down, condensed, liquefied and be subcooled, finally flows
Enter nitrogen reflux passage 15 after throttle valve A depressurizes, by following current hydrogen and nitrogen re-heat to normal temperature, return to nitrogen compressor 9,
Complete the recycling of nitrogen.
By using the nitrogen kind of refrigeration cycle and hydrogen kind of refrigeration cycle of enclosed, the liquefaction of hydrogen utilizes the nitrogen system of enclosed
SAPMAC method is as chilldown system, there is provided nitrogen level temperature section cold, high-grade temperature section needs hydrogen to follow when overcoming liquefaction of hydrogen
The shortcomings that ring compressor 7 largely does work, the condensation of hydrogen mainly provide cold by hydrogen itself expansion, and the supercooling of liquid hydrogen is main
Throttling by liquid hydrogen provides cold.Wherein preferable, the pressure limit of hydrogen circulation is 0.05 ~ 20Mpa, the pressure of nitrogen circulation
Scope is 0.05 ~ 5Mpa.
Embodiment 2
As shown in Fig. 2 the difference of the present embodiment and embodiment 1 is, 6 and first pre- cold passage A12 of hydrogen gas pipeline
Connected by the pressurized end of turbine booster expansion machine 33, the first pre- cold passage A12 and turbine booster expansion machine 33 pressurized end it
Between be provided with turbine booster expansion machine cooler 34, channel of nitrogen 16 is provided with heat exchanger A1, the import of channel of nitrogen 16 is provided with outside
Liquid nitrogen is connect, the outlet of channel of nitrogen 16 is provided with nitrogen storage device.Freezed by setting external liquid nitrogen to instead of the nitrogen of enclosed
Circulation, reduce the composition structure of device, while the hydrogen that turbine booster expansion machine 33 is used for before pre-cooling by pressurization passage A.
Described above is only preferred embodiment of the present utility model, it should be understood that the utility model is not limited to herein
Disclosed form, the exclusion to other embodiment is not to be taken as, and can be used for various other combinations, modification and environment, and
It can be modified in contemplated scope described herein by the technology or knowledge of above-mentioned teaching or association area.And this area
The change and change that personnel are carried out do not depart from spirit and scope of the present utility model, then all should be in right appended by the utility model
It is required that protection domain in.
Claims (7)
- A kind of 1. device of liquefaction of hydrogen, it is characterised in that：It includes the hydrogen gas pipeline, heat exchanger A, heat exchange being sequentially communicated Device B, heat exchanger C, flash tank and liquid hydrogen storage tank, the heat exchanger A is interior to be provided with inlet channel A and reflux passage A, the heat exchanger It is provided with inlet channel B and reflux passage B, the heat exchanger C to enter provided with supercooling channel C and reflux passage C, the hydrogen in B Feed channel connects with inlet channel A air inlet, and the gas outlet of the inlet channel connects with inlet channel B air inlet, enters Gas passage B gas outlet connects with the air inlet of channel C is subcooled, the supercooling gas outlet of channel C and the air inlet of flash tank Connection, the liquid outlet of the flash tank connect with liquid hydrogen storage tank, and the gas outlet of flash tank connects with reflux passage C air inlet, The gas outlet of the reflux passage C connects with reflux passage B air inlet, gas outlet and the reflux passage A of the reflux passage B Air inlet connection, the gas outlet of the reflux passage A and hydrogen gas pipeline communication.
- A kind of 2. device of liquefaction of hydrogen according to claim 1, it is characterised in that：The air inlet of the flash tank is with changing Regulating valve B and regulating valve C is provided between hot device C, is connected between the air inlet and supercooling channel C of the flash tank by regulating valve B It is logical, regulating valve C is provided between the supercooling channel C and reflux passage C, between the gas outlet of the flash tank and reflux passage C Connected by regulating valve D, pressure on the number controller is provided between the gas outlet of the flash tank and regulating valve D.
- A kind of 3. device of liquefaction of hydrogen according to claim 1, it is characterised in that：The liquid outlet and liquid of the flash tank Regulating valve E is provided between hydrogen storage tank, liquid level digitial controller is provided between the liquid outlet of the regulating valve E and flash tank, is exchanged heat Cold passage again is additionally provided with device C, positive parahydrogen converter C is provided between the liquid outlet of flash tank and again cold passage, flash tank goes out Liquid mouth connects with positive parahydrogen converter C air inlet, and the exhaust outlet and the air inlet of cold passage again of the positive parahydrogen converter C connect It is logical, then the gas outlet connection liquid hydrogen storage tank of cold passage.
- A kind of 4. device of liquefaction of hydrogen according to claim 1, it is characterised in that：The reflux passage A enters with hydrogen Hydrogen recycle compressor and hydrogen recycle compressor cooler, reflux passage A gas outlet connection hydrogen are provided between feed channel The air inlet of recycle compressor, the gas outlet of the hydrogen recycle compressor connect with the air inlet of hydrogen recycle compressor cooler It is logical, gas outlet and the hydrogen gas pipeline communication of the hydrogen recycle compressor cooler.
- A kind of 5. device of liquefaction of hydrogen according to any one of claim 1 ~ 4, it is characterised in that：The inlet channel A The first pre- cold passage A including being sequentially communicated, the second pre- pre- cold passage A of cold passage A and the 3rd, the pre- cold passage of hydrogen and the One pre- cold passage A is connected, and is provided with the first purifying column between the first pre- pre- cold passage A of cold passage A and second, described second is pre- The second purifying column is provided between the pre- cold passage A of cold passage A and the 3rd；The inlet channel B includes the first interconnected precooling Positive parahydrogen converter B is provided between passage B and second pre- cold passage B, the first pre- pre- cold passage B of cold passage B and second；It Also include turbine booster expansion machine, the first pre- cold passage B connects with the expanding end of turbine booster expansion machine, and the turbine increases The expanding end of compression swelling machine connects with reflux passage B air inlet.
- A kind of 6. device of liquefaction of hydrogen according to claim 5, it is characterised in that：It is provided with the heat exchanger A mutual The channel of nitrogen and nitrogen reflux passage of connection, it is provided between the import of the pressurized end and channel of nitrogen of turbine booster expansion machine saturating Flat booster expansion machine cooler, is provided with regulating valve A between the outlet of channel of nitrogen and the import of nitrogen reflux passage, nitrogen returns The nitrogen compressor and nitrogen compressor cooler being provided between circulation road and turbine booster expansion machine, nitrogen reflux passage go out The import of mouth connection nitrogen compressor, the import of the outlet nitrogen compressor cooler of the nitrogen compressor, the nitrogen The pressurized end of the outlet turbine booster expansion machine of air compressor cooler.
- A kind of 7. device of liquefaction of hydrogen according to claim 5, it is characterised in that：The hydrogen gas pipeline and first Pre- cold passage A is connected by the pressurized end of turbine booster expansion machine, the increasing of first pre- the cold passage A and turbine booster expansion machine Turbine booster expansion machine cooler is provided between pressure side, channel of nitrogen, the import of the channel of nitrogen are provided with the heat exchanger A Provided with external liquid nitrogen, the outlet of the channel of nitrogen is provided with nitrogen storage device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720624522.8U CN206771874U (en) | 2017-06-01 | 2017-06-01 | A kind of device of liquefaction of hydrogen |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720624522.8U CN206771874U (en) | 2017-06-01 | 2017-06-01 | A kind of device of liquefaction of hydrogen |
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| CN206771874U true CN206771874U (en) | 2017-12-19 |
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| CN201720624522.8U Active CN206771874U (en) | 2017-06-01 | 2017-06-01 | A kind of device of liquefaction of hydrogen |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107014151A (en) * | 2017-06-01 | 2017-08-04 | 成都深冷液化设备股份有限公司 | A kind of device and method of liquefaction of hydrogen |
| CN108489194A (en) * | 2018-05-28 | 2018-09-04 | 张家港富瑞氢能装备有限公司 | Liquid nitrogen precooler device |
| CN108534462A (en) * | 2018-05-28 | 2018-09-14 | 张家港氢云新能源研究院有限公司 | A kind of liquid hydrogen production line |
| CN108759301A (en) * | 2018-05-28 | 2018-11-06 | 张家港富瑞氢能装备有限公司 | A kind of liquefaction of hydrogen technique |
| CN111503921A (en) * | 2020-04-22 | 2020-08-07 | 西安交通大学 | System for acquiring supercooling degree of liquid hydrogen of space launching field |
-
2017
- 2017-06-01 CN CN201720624522.8U patent/CN206771874U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107014151A (en) * | 2017-06-01 | 2017-08-04 | 成都深冷液化设备股份有限公司 | A kind of device and method of liquefaction of hydrogen |
| CN107014151B (en) * | 2017-06-01 | 2023-04-11 | 四川蜀道装备科技股份有限公司 | Device and method for liquefying hydrogen |
| CN108489194A (en) * | 2018-05-28 | 2018-09-04 | 张家港富瑞氢能装备有限公司 | Liquid nitrogen precooler device |
| CN108534462A (en) * | 2018-05-28 | 2018-09-14 | 张家港氢云新能源研究院有限公司 | A kind of liquid hydrogen production line |
| CN108759301A (en) * | 2018-05-28 | 2018-11-06 | 张家港富瑞氢能装备有限公司 | A kind of liquefaction of hydrogen technique |
| CN108534462B (en) * | 2018-05-28 | 2024-01-02 | 张家港氢云新能源研究院有限公司 | Liquid hydrogen production line |
| CN111503921A (en) * | 2020-04-22 | 2020-08-07 | 西安交通大学 | System for acquiring supercooling degree of liquid hydrogen of space launching field |
| CN111503921B (en) * | 2020-04-22 | 2021-07-27 | 西安交通大学 | System for acquiring supercooling degree of liquid hydrogen of space launching field |
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