CN208058421U - Hydrogen compresses and liquefies the varying duty system of coupling - Google Patents
Hydrogen compresses and liquefies the varying duty system of coupling Download PDFInfo
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- CN208058421U CN208058421U CN201820011056.0U CN201820011056U CN208058421U CN 208058421 U CN208058421 U CN 208058421U CN 201820011056 U CN201820011056 U CN 201820011056U CN 208058421 U CN208058421 U CN 208058421U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/45—Hydrogen technologies in production processes
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Abstract
The utility model discloses the varying duty system that a kind of hydrogen compresses and liquefies coupling, hydrogen compresses and liquefies the varying duty system of coupling, including：Hydrogen gas generation system, hydrogen gas generation system are set as power adjustable and suitable for being connected to produce hydrogen with external power system；Hydrogen transportation system, hydrogen transportation system include hydrogen gas compressor and conveyance conduit, and the air inlet of hydrogen gas compressor is connected with the gas outlet of hydrogen gas generation system, and the gas outlet of hydrogen gas compressor is connected with conveyance conduit to be supplied to user；Liquefaction of hydrogen system, liquefaction of hydrogen system includes liquefaction of hydrogen device and liquid hydrogen storage tank, the air inlet of liquefaction of hydrogen device is connected with the gas outlet of hydrogen gas compressor by the first valve, and the gas outlet of liquefaction of hydrogen device is connected with liquid hydrogen storage tank, and liquid hydrogen storage tank is optionally connected with conveyance conduit.Hydrogen according to the present utility model compresses and liquefies the varying duty system of coupling, can increase the varying duty ability of hydrogen gas generation system, use demand of the balanced user under different situations.
Description
Technical field
The utility model belongs to energy storing technology field, and the change of coupling is compressed and liquefied in particular to a kind of hydrogen
Load system.
Background technology
The problem of environmental pollution getting worse that the combustion zone of fossil fuel comes, is embodied in discharge, the mist of greenhouse gases
The increase of haze number of days, and the product of combustion of hydrogen is pollution-free, can be directly discharged in environment, still, the storage of hydrogen there is also
Very big problem.In the related technology, hydrogen made from hydrogen gas generation system is delivered directly to user, and is stored by air accumulator,
The hydrogen storage mode generally used is that hydrogen is compressed to the even higher pressure of 35MPa/70MPa, to improve hydrogen-storage density.
However remove and the Hydrogen Vapor Pressure of hydrogen fuel cell is supplied to reach the needs that 0.5MPa can meet power generation, therefore compress electric energy and deposit
In the space of decline.In addition, the device of hydrogen consumption user is stable operation, but new energy electrolytic hydrogen production has fluctuation,
The response speed and hydrogen quality of varying duty hydrogen manufacturing are mismatched with user, and the efficiency of hydrogen manufacturing can not meet user demand in real time,
It supplies and uses gas unbalanced.If increasing capacity by the way of improving hydrogen storage pressure merely, after pipe network is more than design pressure,
Hydrogen more than needed can only diffuse or carry out variable load operation to sacrifice purity, and there are improved spaces.
Utility model content
The utility model aims to solve at least one of the technical problems existing in the prior art.For this purpose, the utility model carries
Go out the varying duty system that a kind of hydrogen compresses and liquefies coupling, hydrogen can be improved in the varying duty system that the hydrogen compresses and liquefies coupling
The varying duty ability of stocking system.
The varying duty system of coupling is compressed and liquefied according to the hydrogen of the utility model embodiment, including：Hydrogen gas generation system,
The hydrogen gas generation system is set as power adjustable and suitable for being connected to produce hydrogen with external power system；Hydrogen transport system
System, the hydrogen transportation system include hydrogen gas compressor and conveyance conduit, the air inlet of the hydrogen gas compressor and the hydrogen
The gas outlet of generating system is connected, and the gas outlet of the hydrogen gas compressor is connected with the conveyance conduit to be supplied to user；Hydrogen
Gas liquefaction system, the liquefaction of hydrogen system include liquefaction of hydrogen device and liquid hydrogen storage tank, the air inlet of the liquefaction of hydrogen device
Mouth is connected with the gas outlet of the hydrogen gas compressor by the first valve, gas outlet and the liquid hydrogen of the liquefaction of hydrogen device
Storage tank is connected, and the liquid hydrogen storage tank is optionally connected with the conveyance conduit.
The varying duty system of coupling is compressed and liquefied according to the hydrogen of the utility model embodiment, can make full use of it is renewable
While the energy, increase the varying duty ability of hydrogen gas generation system, use demand of the balanced user under different situations can also be real
The recycling of existing liquid hydrogen cold improves the energy-saving effect of system, and the speed that liquid hydrogen storage tank is remarkably improved hydrogen conversion is arranged
Rate.
The varying duty system that coupling is compressed and liquefied according to the hydrogen of the utility model one embodiment further includes：Accumulation of energy system
System, the energy-storage system are connected with the liquefaction of hydrogen system, to store the heat of liquefaction of hydrogen or the cold of hydrogen vaporization.
The varying duty system of coupling, the energy-storage system packet are compressed and liquefied according to the hydrogen of the utility model one embodiment
It includes：Cold accumulation system, the cold accumulation system are connected with the liquefaction of hydrogen system, to store the cold of hydrogen vaporization；Hold over system,
The hold over system is connected with the liquefaction of hydrogen system, to store the heat of liquefaction of hydrogen.
The varying duty system that coupling is compressed and liquefied according to the hydrogen of the utility model one embodiment, in the first operating mode
In, the outlet of the liquid hydrogen storage tank is connected by liquid hydrogen pump with the air inlet of the cold accumulation system, the outlet of the cold accumulation system
Mouth is connected with the conveyance conduit.
The varying duty system that coupling is compressed and liquefied according to the hydrogen of the utility model one embodiment, in the second operating mode
In, the gas outlet of the hydrogen gas compressor is connected with the air inlet of the cold accumulation system, the gas outlet of the cold accumulation system and institute
The air inlet for stating liquefaction of hydrogen device is connected.
The varying duty system that coupling is compressed and liquefied according to the hydrogen of the utility model one embodiment, in third operating mode
In, the gas outlet of the hydrogen gas compressor is connected with the air inlet of the cold accumulation system, the gas outlet of the cold accumulation system and institute
Conveyance conduit is stated to be connected.
The varying duty system that coupling is compressed and liquefied according to the hydrogen of the utility model one embodiment further includes：Check valve,
Second valve, pressure reducing valve, the check valve, second valve, the pressure reducing valve are sequentially installed on the conveyance conduit, and institute
The air inlet for stating check valve is connected with the gas outlet of the hydrogen gas compressor, air inlet and the hydrogen of the liquefaction of hydrogen device
Pipeline between air compressor, the check valve is connected, and the liquid hydrogen storage tank outlet passes through liquid hydrogen pump and the check valve, described
Pipeline between second valve is connected.
The varying duty system of coupling, hydrogen transport system are compressed and liquefied according to the hydrogen of the utility model one embodiment
System further includes hydrogen-holder, and the pipeline between the hydrogen-holder and the check valve and the valve is connected.
The varying duty system of coupling, the hydrogen gas compressor are compressed and liquefied according to the hydrogen of the utility model one embodiment
Inlet pressure be P1, gas outlet pressure is P2, and the pressure of the hydrogen-holder is P3, is met：P1≤3MPa, 15MPa≤
P3 < P2≤30MPa.
The varying duty system that coupling is compressed and liquefied according to the hydrogen of the utility model one embodiment further includes：Hydrogen stream
Gauge, hydrogen diffusion valve, the gas outlet of the hydrogen flowmeter and the hydrogen gas generation system and the hydrogen gas compressor into
Pipeline between gas port is connected, and the hydrogen diffusion valve is connected with the hydrogen flowmeter.
The varying duty system of coupling, the hydrogen system are compressed and liquefied according to the hydrogen of the utility model one embodiment
System is suitable for powering by green energy resource.
The varying duty system of coupling, the liquid hydrogen storage tank packet are compressed and liquefied according to the hydrogen of the utility model one embodiment
Include main storage tank and stand-by storage.
The additional aspect and advantage of the utility model will be set forth in part in the description, partly will be from following description
In become apparent, or recognized by the practice of the utility model.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the utility model will in the description from combination following accompanying drawings to embodiment
Become apparent and is readily appreciated that, wherein：
Fig. 1 is the structural schematic diagram for the varying duty system that coupling is compressed and liquefied according to the hydrogen of the utility model embodiment.
Fig. 2 is the knot of the cold accumulation system for the varying duty system that coupling is compressed and liquefied according to the hydrogen of the utility model embodiment
Structure schematic diagram；
Reference numeral：
Hydrogen compresses and liquefies the varying duty system 100 of coupling,
Liquid pump 1, device for producing hydrogen 2, hydrogen flowmeter 3, hydrogen diffusion valve 4, the first valve 5, hydrogen gas compressor 6, unidirectionally
Valve 7, the second valve 8, pressure reducing valve 9, hydrogen-holder 10, liquefaction of hydrogen device 12, main storage tank 13, energy-storage system 14, pressure device 15,
Stand-by storage 16, liquid hydrogen pump 17.
Specific implementation mode
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model
Limitation.
In the description of the present invention, it should be understood that term "center", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " suitable
The orientation or positional relationship of the instructions such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is orientation based on ... shown in the drawings
Or position relationship, be merely for convenience of describing the present invention and simplifying the description, do not indicate or imply the indicated device or
Element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as the limit to the utility model
System.In addition, defining " first ", the feature of " second " can explicitly or implicitly include one or more this feature.
In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, can also be electrical connection；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, it can understand above-mentioned art with concrete condition
The concrete meaning of language in the present invention.
The varying duty system of coupling is compressed and liquefied according to the hydrogen of the utility model embodiment below with reference to Fig. 1-Fig. 2 descriptions
100
As shown in Figure 1, the varying duty system 100 for compressing and liquefying coupling according to the hydrogen of the utility model one embodiment is wrapped
It includes：Hydrogen gas generation system, hydrogen transportation system, liquefaction of hydrogen system.
Hydrogen gas generation system is for producing hydrogen so that for users to use, hydrogen gas generation system is set as power adjustable, i.e. hydrogen
Gas generating system has stable operation and variable load operation pattern, for example, when hydrogen gas generation system is to approach at full capacity (100%)
When operation, hydrogen gas generation system has higher hydrogen production efficiency, for another example, when the hydrogen use demand of user substantially reduces and ties up
When holding more than 4h or more, hydrogen gas generation system carries out load shedding production, the hydrogen manufacturing effect of hydrogen gas generation system by varying duty mode
Rate is relatively low, and the hydrogen production efficiency after hydrogen gas generation system load shedding is higher than the hydrogen manufacturing effect when minimum operation operating mode of hydrogen gas generation system
Rate, it should be noted that minimum operation operating mode is operating mode of the hydrogen gas generation system in normal operation with minimum hydrogen production efficiency.
As shown in Figure 1, hydrogen gas generation system is suitable for being connected with external power system to produce hydrogen, external power system can
The energy as hydrogen gas generation system inputs, and can be made in the device for producing hydrogen 2 by lye by 1 inputting hydrogen generating system of liquid pump
Take hydrogen, wherein external power system can be solar power system, wind power generation system, nuclear power generating system etc., can be abundant
Using regenerative resource, be conducive to the environmental-protecting performance for enhancing the varying duty system 100 that hydrogen compresses and liquefies coupling, and renewable energy
Source clean, pollution-free, distribution is wide, and sustainable use, certainly, external power system also can be with hydrogen transportation system, liquefaction of hydrogen
System is connected, to provide the required energy to hydrogen transportation system, liquefaction of hydrogen system.
Hydrogen transportation system includes hydrogen gas compressor 6 and conveyance conduit (not shown), for example, hydrogen gas compressor 6 is
Diaphragm type compressor 6, as shown in Figure 1, the air inlet of hydrogen gas compressor 6 is connected with the gas outlet of hydrogen gas generation system, i.e., hydrogen is sent out
The hydrogen generated in raw system can be flowed into the air inlet of hydrogen gas compressor 6 by the gas outlet of hydrogen gas generation system, hydrogen pressure
Contracting machine 6 can carry out compression processing to hydrogen so that hydrogen is by low-pressure state boil down to high pressure conditions, for example, hydrogen gas generation system
Gas outlet discharge Hydrogen Vapor Pressure be less than 3MP, Hydrogen Vapor Pressure increases to 25MP or so, hydrogen after 6 compression processing of hydrogen gas compressor
The gas outlet of air compressor 6 is connected with conveyance conduit to be supplied to user, i.e., outlet of the compressed hydrogen from hydrogen gas compressor 6
Mouth discharge, and a part of hydrogen is delivered to user by conveyance conduit and uses, and to meet use demand of the user to hydrogen, and presses
Hydrogen after contracting is convenient for conveying.
6 compressed hydrogen partial of hydrogen gas compressor can be carried out liquefaction processing and temporarily stored by liquefaction of hydrogen system, be needed
It is noted that liquid hydrogen has the hydrogen-storage density (density ratio 845 of liquid hydrogen and gas hydrogen under normal pressure of superelevation:1), hence it is evident that promote hydrogen
Storage capacity, specifically, as shown in Figure 1, liquefaction of hydrogen system includes liquefaction of hydrogen device 12 and liquid hydrogen storage tank, liquefaction of hydrogen device
12 air inlet is connected with the gas outlet of hydrogen gas compressor 6 by the first valve 5, can be by controlling the first valve 5 with selectivity
Ground is by 6 compressed hydrogen circulation to liquefaction of hydrogen device 12 of hydrogen gas compressor, in order to which liquefaction of hydrogen device 12 is to flowing into
Hydrogen carry out liquefaction processing, the gas outlet of liquefaction of hydrogen device 12 is connected with liquid hydrogen storage tank, after handling liquefaction of hydrogen
It is delivered in liquid hydrogen storage tank and temporarily stores, liquid hydrogen storage tank is optionally connected with conveyance conduit, wherein liquefying plant, which uses, to be changed
The Claude liquefaction flow paths being pre-chilled into type band.
For example, when user has the demand using liquefaction hydrogen, hydrogen can will be partially compressed and be delivered to liquefaction of hydrogen device
12 liquefaction, and be stored in liquid hydrogen storage tank, meet use demand of the user to the hydrogen that liquefies, and the small volume for the hydrogen that liquefies,
Conveying is convenient and easily stored, for another example, for users to use, balanced user can will be convenient in different situations after liquefaction hydrogen vaporization
Under use demand.
It should be noted that liquid hydrogen storage tank is Dewar storage tank or low temperature storing tank, liquid hydrogen stores under vacuum.Such as
Shown in Fig. 1, liquid hydrogen storage tank includes main storage tank 13 and stand-by storage 16, stand-by storage 16 can it is insufficient in 13 storage space of main storage tank or
Main storage tank 13 uses when damaging, and ensures that the varying duty system 100 that hydrogen compresses and liquefies coupling has stable working condition, enhancing
Practicability.
It is understood that the operation conditions that hydrogen compresses and liquefies the varying duty system 100 of coupling need to make according to user
It is adaptively adjusted with demand.
For example, when user demand is greatly decreased and is maintained for more than 4h or more, hydrogen gas generation system can carry out load shedding tune
It is whole, if still there is hydrogen more than needed, hydrogen more than needed can be delivered to liquefaction of hydrogen device 12 and carry out liquefaction processing, and will be after liquefaction
Hydrogen is temporarily stored in liquid hydrogen storage tank, certainly, still has hydrogen extra at this time, can be emitted into extra in air.
For another example, when user dramatically increases the use demand of hydrogen, hydrogen gas generation system is adjusted to oepration at full load,
If hydrogen demand still cannot be satisfied, after being pressurized the liquid hydrogen stored in liquid hydrogen storage tank by liquid hydrogen pump 17, it is vaporized into high pressure
Hydrogen, then high pressure hydrogen is delivered to user and is used, and the cold in liquid hydrogen vaporescence can be stored or be used, and be realized cold
The recycling of amount.
It should be noted that the varying duty system 100 that hydrogen compresses and liquefies coupling is not related to the burning of fossil fuel, do not arrange
What harmful substance is let alone, while the hydrogen fuel produced is also zero-emission, energy conservation and environmental protection, practicability is preferable.
The varying duty system 100 of coupling is compressed and liquefied according to the hydrogen of the utility model embodiment, it can be make full use of can
While the renewable sources of energy, increase the varying duty ability of hydrogen gas generation system, use demand of the balanced user under different situations is gone back
The recycling that liquid hydrogen cold can be achieved improves the energy-saving effect of system, and liquid hydrogen storage tank is arranged and is remarkably improved hydrogen conversion
Rate.
The varying duty system 100 that coupling is compressed and liquefied according to the hydrogen of the utility model one embodiment further includes accumulation of energy system
System 14, as shown in Figure 1, energy-storage system 14 is connected with liquefaction of hydrogen system, energy-storage system 14 can store the heat of liquefaction of hydrogen, store
The heat that energy system 14 stores can be used in a variety of heating environments, be used for example, the heat that energy-storage system 14 stores can be used for heating
Water in the water heater at family can also be connected with heating system, meet heating demands, and practicability is preferable, and energy conservation and environmental protection.
Energy-storage system 14 can also store the cold of hydrogen vaporization, as shown in Figure 1, leading to the liquid hydrogen stored in liquid hydrogen storage tank
After crossing the supercharging of liquid hydrogen pump 17, liquid hydrogen is vaporized into high pressure gas, and the cold of hydrogen vaporization is used in various refrigerating environments, for example, hydrogen
The cold of gas vaporization can be used for exchanging heat with the high pressure hydrogen in hydrogen transportation system, realize the recycling of cold.
In this way, when the varying duty system 100 that hydrogen compresses and liquefies coupling can be when hydrogen use demand be smaller, hydrogen occurs
System under-capacity operation, liquefaction hydrogen vaporization, the thermal energy liquid hydrogen cold of hydrogen compression is stored in energy-storage system 14, when hydrogen pressure
The varying duty system 100 of contracting liquefactions coupling can be when hydrogen use demand be larger, and hydrogen gas generation system increases load operation, hydrogen liquid
Change, recycle the cold energy in energy storage equipment, while recycling the thermal energy in hydrogen compressibility, using energy-storage system 14, realizes energy
Recycling, significantly improve hydrogen compression, liquefaction of hydrogen system efficiency, reduce device for producing hydrogen 2 varying duty pressure.
Specifically, energy-storage system 14 includes：Cold accumulation system, hold over system.
Cold accumulation system is connected with liquefaction of hydrogen system, and to store the cold of hydrogen vaporization, liquid hydrogen vaporizes meeting in endothermic process
A large amount of cold is generated, the cold of cold accumulation system storage can be used for exchanging heat with the high pressure hydrogen in hydrogen transportation system, real
The recycling of existing cold, for example, being equipped with cool storage medium in cold accumulation system, cool storage medium can be sealing ice hockey, sandstone, coagulation
One or more of soil, aluminium strip disk or other metallicses, hydrogen can be in direct contact with cool storage medium to exchange heat, heat exchange
It is with obvious effects, and cold accumulation system should coat under vacuum.
Hold over system is connected with liquefaction of hydrogen system, and to store the heat of liquefaction of hydrogen, thermal storage unit is for storing hydrogen
The waste heat of the heat released in liquefaction system liquefaction process, thermal storage unit storage can be used for heat demand department, improve hydrogen pressure
The economy of the varying duty system 100 of contracting liquefactions coupling.
The varying duty system 100 that the hydrogen of the utility model embodiment compresses and liquefies coupling includes at least three kinds of Working moulds
Formula is described in detail as follows.
(left side) as shown in Figure 2, in the first operating mode, the outlet of liquid hydrogen storage tank passes through liquid hydrogen pump 17 and cold accumulation system
Air inlet be connected, the gas outlet of cold accumulation system is connected with conveyance conduit, is taken out from liquid hydrogen storage tank liquid hydrogen by liquid hydrogen pump 17
Go out so that liquid hydrogen flows to the air inlet of cold accumulation system, and flows into vaporization in cold accumulation system, at this point, in liquid hydrogen vaporization endothermic process
A large amount of cold is will produce, and the hydrogen after vaporization flows to user from the gas outlet of cold accumulation system, it is user-friendly.
(right side) as shown in Figure 2, in the second operating mode, the gas outlet of hydrogen gas compressor 6 and the air inlet of cold accumulation system
Mouth is connected, and compressed hydrogen flows to the air inlet of cold accumulation system from the gas outlet of hydrogen gas compressor 6, and flows into cold accumulation system
Cooling, the gas outlet of cold accumulation system is connected with the air inlet of liquefaction of hydrogen device 12, and hydrogen after cooling is from liquefaction of hydrogen device
12 air inlet enters in liquefaction of hydrogen device 12, wherein and high pressure hydrogen after cooling can utilize liquefaction of hydrogen device 12 to liquefy,
In this way, low temperature hydrogen is easy to liquefy, liquefied efficiency is high, and the recycling of cold can be realized using the cold that hydrogen vaporizes, together
When user-friendly liquid hydrogen, or stored with liquid hydrogen storage tank, it is highly practical.
In third operating mode, the gas outlet of hydrogen gas compressor 6 is connected with the air inlet of cold accumulation system, compressed hydrogen
Gas flows to the air inlet of cold accumulation system from the gas outlet of hydrogen gas compressor 6, and flows into cooling, cold accumulation system in cold accumulation system and go out
Gas port is connected with conveyance conduit, and high pressure hydrogen after cooling can be delivered to user by conveyance conduit, in this way, low temperature hydrogen is easy to
It is readily delivered, and can realize the recycling of cold using the cold that hydrogen vaporizes, it is easy to use, effectively utilize the energy.
It should be noted that triple valve is set at the gas outlet of cold accumulation system, for example, the first valve port and cold-storage of triple valve
The gas outlet of system is connected, and the other two valve port of triple valve is connected with liquid hydrogen storage tank, conveyance conduit respectively, has both been convenient for liquefaction storage
It deposits, and user-friendly.
The varying duty system 100 that the hydrogen of the utility model embodiment compresses and liquefies coupling further includes：Check valve 7, second
Valve 8, pressure reducing valve 9.
As shown in Figure 1, check valve 7, the second valve 8, pressure reducing valve 9 are sequentially installed on conveyance conduit, and the air inlet of check valve 7
Mouth is connected with the gas outlet of hydrogen gas compressor 6, and check valve 7 avoids conveying from 8 one-way conduction of the 6 to the second valve of hydrogen gas compressor
Hydrogen adverse current to hydrogen gas compressor 6 in pipeline is unfavorable for hydrogen conveying, ensures the reasonability of overall system architecture, and pressure reducing valve
9 can depressurize the high pressure hydrogen in conveyance conduit, and high pressure hydrogen is depressurized to suitable pressure in order to which user uses, is kept away
Exempt from the excessive impaired user of Hydrogen Vapor Pressure of transfer pipeline output or local pipe breakage is caused to generate safety accident, improving user makes
Safety.
As shown in Figure 1, the air inlet of the air inlet of liquefaction of hydrogen device 12 and the gas outlet and check valve 7 of hydrogen gas compressor 6
Pipeline between mouthful is connected, for example, the pipeline between the air inlet and hydrogen gas compressor 6, check valve 7 of liquefaction of hydrogen device 12
In set triple valve, in order to flow into liquefaction of hydrogen device 12 through 6 compressed hydrogen of hydrogen gas compressor or flow into conveyance conduit,
Liquid hydrogen storage tank outlet is connected by the pipeline between liquid hydrogen pump 17 and check valve 7, the second valve 8, in this way, check valve 7 can avoid
In liquid hydrogen adverse current to hydrogen gas compressor 6 in pipeline, avoids generating security risk, ensure that hydrogen compresses and liquefies the varying duty of coupling
The usage safety performance of system 100.
As shown in Figure 1, hydrogen transportation system further includes hydrogen-holder 10, when the hydrogen of transfer pipeline output is more than user's
When demand, hydrogen-holder 10 can temporarily be stored hydrogen extra in transfer pipeline, in hydrogen gas generation system
Hydrogen manufacturing amount cannot be satisfied spare when user's use demands, and the pipeline between hydrogen-holder 10 and check valve 7 and valve is connected, and can keep away
Exempt from the hydrogen in hydrogen-holder 10 and be back to influence hydrogen transfer efficiency in hydrogen gas compressor 6, helps to improve system and integrally tie
The reasonability of structure.
The inlet pressure of hydrogen gas compressor 6 is P1, and the gas outlet pressure of hydrogen gas compressor 6 is P2, hydrogen-holder 10
Pressure is P3, is met：P1≤3MPa, 15MPa≤P3 < P2≤30MPa, it is to be understood that hydrogen gas generation system makes hydrogen
Afterwards, pressure is smaller, for example, the Hydrogen Vapor Pressure P1=2MPa of the air inlet into hydrogen gas compressor 6, hydrogen is through hydrogen gas compressor 6
It is discharged after pressurization, for example, the gas outlet pressure of hydrogen gas compressor 6 is P2=25MPa, the high pressure hydrogen part after discharge flows into hydrogen
Liquefied storage is carried out in gas liquefaction system, another part flows into conveyance conduit, and flows into the high pressure hydrogen one in conveyance conduit
Part, which enters after decompression in hydrogen-holder 10, to be stored, for example, the pressure of hydrogen-holder 10 is P3=20MPa, flows into delivery pipe
High pressure hydrogen another part in road is conveyed to user's use after decompression, it should be noted that as shown in Figure 1, hydrogen compresses
Pressure device 15 is equipped in the varying duty system 100 of liquefactions coupling, pressure device 15 is used to detect the pressure of multiple positions of transfer pipeline
Power, for example, pressure device 15 is connected with hydrogen gas compressor 6, to detect the pressure of hydrogen gas compressor 6, for another example, pressure device 15 with subtract
Pipeline where pressure valve 9 is connected, with the gas pressure in signal piping.
The varying duty system 100 that the hydrogen of the utility model embodiment compresses and liquefies coupling further includes：Hydrogen flowmeter 3,
Hydrogen diffusion valve 4.
As shown in Figure 1, between the air inlet of the gas outlet and hydrogen gas compressor 6 of hydrogen flowmeter 3 and hydrogen gas generation system
Pipeline be connected, hydrogen diffusion valve 4 is connected with hydrogen flowmeter 3, and hydrogen flowmeter 3 can be used for detection hydrogen gas generation system and go out
The hydrogen flowing quantity in pipeline between gas port and the air inlet of hydrogen gas compressor 6, after hydrogen gas generation system is in feed user, and
When the hydrogen manufacturing one after another of hydrogen gas generation system is more than the sum of the hydrogen service efficiency of the liquefaction efficiency and user of liquefaction of hydrogen device 12
When, it in hydrogen discharge to air more than needed, can will avoid that the amounts of hydrogen in conveyance conduit is excessive to be caused to convey by hydrogen diffusion valve 4
Manifold pressure is excessive, and conveyance conduit is caused to damage, and is conducive to improve, and hydrogen compresses and liquefies the varying duty system 100 of coupling
Security performance.
Hydrogen gas generation system is suitable for powering by green energy resource, for example, green energy resource is solar energy, wind energy, nuclear power etc., it can
Regenerative resource is made full use of, is conducive to the environmental-protecting performance for enhancing the varying duty system 100 that hydrogen compresses and liquefies coupling, and can be again
Raw clean energy, pollution-free, distribution is wide, sustainable use.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, knot
Structure, material or feature are contained at least one embodiment or example of the utility model.In the present specification, to above-mentioned art
The schematic representation of language may not refer to the same embodiment or example.Moreover, description specific features, structure, material or
Person's feature can be combined in any suitable manner in any one or more of the embodiments or examples.
While there has been shown and described that the embodiments of the present invention, it will be understood by those skilled in the art that：
Can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and objective, modification, replaced
And modification, the scope of the utility model are limited by claim and its equivalent.
Claims (12)
1. a kind of hydrogen compresses and liquefies the varying duty system of coupling, which is characterized in that including：
Hydrogen gas generation system, the hydrogen gas generation system are set as power adjustable and suitable for being connected with external power system to produce
Hydrogen；
Hydrogen transportation system, the hydrogen transportation system include hydrogen gas compressor and conveyance conduit, the hydrogen gas compressor into
Gas port is connected with the gas outlet of the hydrogen gas generation system, the gas outlet of the hydrogen gas compressor be connected with the conveyance conduit with
It is supplied to user；
Liquefaction of hydrogen system, the liquefaction of hydrogen system include liquefaction of hydrogen device and liquid hydrogen storage tank, the liquefaction of hydrogen device
Air inlet be connected by the first valve with the gas outlet of the hydrogen gas compressor, the gas outlet of the liquefaction of hydrogen device and institute
It states liquid hydrogen storage tank to be connected, the liquid hydrogen storage tank is optionally connected with the conveyance conduit.
2. hydrogen according to claim 1 compresses and liquefies the varying duty system of coupling, which is characterized in that further include：Accumulation of energy
System, the energy-storage system are connected with the liquefaction of hydrogen system, to store the heat of liquefaction of hydrogen or the cold of hydrogen vaporization.
3. hydrogen according to claim 2 compresses and liquefies the varying duty system of coupling, which is characterized in that the energy-storage system
Including：
Cold accumulation system, the cold accumulation system are connected with the liquefaction of hydrogen system, to store the cold of hydrogen vaporization；
Hold over system, the hold over system are connected with the liquefaction of hydrogen system, to store the heat of liquefaction of hydrogen.
4. hydrogen according to claim 3 compresses and liquefies the varying duty system of coupling, which is characterized in that in the first Working mould
In formula, the outlet of the liquid hydrogen storage tank is connected by liquid hydrogen pump with the air inlet of the cold accumulation system, and the cold accumulation system goes out
Gas port is connected with the conveyance conduit.
5. hydrogen according to claim 3 compresses and liquefies the varying duty system of coupling, which is characterized in that in the second Working mould
In formula, the gas outlet of the hydrogen gas compressor is connected with the air inlet of the cold accumulation system, the gas outlet of the cold accumulation system with
The air inlet of the liquefaction of hydrogen device is connected.
6. hydrogen according to claim 3 compresses and liquefies the varying duty system of coupling, which is characterized in that in third Working mould
In formula, the gas outlet of the hydrogen gas compressor is connected with the air inlet of the cold accumulation system, the gas outlet of the cold accumulation system with
The conveyance conduit is connected.
7. hydrogen according to claim 1 compresses and liquefies the varying duty system of coupling, which is characterized in that further include：Unidirectionally
Valve, the second valve, pressure reducing valve, the check valve, second valve, the pressure reducing valve are sequentially installed on the conveyance conduit,
And the air inlet of the check valve is connected with the gas outlet of the hydrogen gas compressor, the air inlet of the liquefaction of hydrogen device and institute
Pipeline between hydrogen gas compressor, the check valve is stated to be connected, the liquid hydrogen storage tank outlet by liquid hydrogen pump and the check valve,
Pipeline between second valve is connected.
8. hydrogen according to claim 7 compresses and liquefies the varying duty system of coupling, which is characterized in that the hydrogen transport
System further includes hydrogen-holder, and the pipeline between the hydrogen-holder and the check valve and the valve is connected.
9. hydrogen according to claim 8 compresses and liquefies the varying duty system of coupling, which is characterized in that the hydrogen compression
The inlet pressure of machine is P1, and gas outlet pressure is P2, and the pressure of the hydrogen-holder is P3, is met：P1≤3MPa, 15MPa
≤ P3 < P2≤30MPa.
10. hydrogen according to claim 1 compresses and liquefies the varying duty system of coupling, which is characterized in that further include：Hydrogen
Flowmeter, hydrogen diffusion valve, gas outlet and the hydrogen gas compressor of the hydrogen flowmeter with the hydrogen gas generation system
Pipeline between air inlet is connected, and the hydrogen diffusion valve is connected with the hydrogen flowmeter.
11. hydrogen according to claim 1 compresses and liquefies the varying duty system of coupling, which is characterized in that the hydrogen hair
Raw system is suitable for powering by green energy resource.
12. hydrogen according to claim 1 compresses and liquefies the varying duty system of coupling, which is characterized in that the liquid hydrogen storage
Tank includes main storage tank and stand-by storage.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110360441A (en) * | 2019-06-28 | 2019-10-22 | 浙江大学 | Space liquid hydrogen storage tank is vented cryogenic energy utilization system |
| CN110425416A (en) * | 2019-08-15 | 2019-11-08 | 浙江浙能技术研究院有限公司 | A kind of small-scale low energy consumption ladder hydrogen storage system and method |
| CN117359791A (en) * | 2023-12-08 | 2024-01-09 | 克拉玛依市禹荣有限责任公司 | Intelligent temperature control electric tracing device for winter construction concrete |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110360441A (en) * | 2019-06-28 | 2019-10-22 | 浙江大学 | Space liquid hydrogen storage tank is vented cryogenic energy utilization system |
| CN110360441B (en) * | 2019-06-28 | 2020-06-23 | 浙江大学 | Exhaust cold energy utilization system of space liquid hydrogen storage tank |
| CN110425416A (en) * | 2019-08-15 | 2019-11-08 | 浙江浙能技术研究院有限公司 | A kind of small-scale low energy consumption ladder hydrogen storage system and method |
| CN110425416B (en) * | 2019-08-15 | 2023-08-15 | 浙江浙能技术研究院有限公司 | Small-scale low-energy-consumption ladder hydrogen storage system and method |
| CN117359791A (en) * | 2023-12-08 | 2024-01-09 | 克拉玛依市禹荣有限责任公司 | Intelligent temperature control electric tracing device for winter construction concrete |
| CN117359791B (en) * | 2023-12-08 | 2024-02-20 | 克拉玛依市禹荣有限责任公司 | Intelligent temperature control electric tracing device for winter construction concrete |
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