CN109915730A - More bottles of group low pressure metal hydride hydrogen storage systems of high capacity and its pilot system - Google Patents
More bottles of group low pressure metal hydride hydrogen storage systems of high capacity and its pilot system Download PDFInfo
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- CN109915730A CN109915730A CN201910180442.1A CN201910180442A CN109915730A CN 109915730 A CN109915730 A CN 109915730A CN 201910180442 A CN201910180442 A CN 201910180442A CN 109915730 A CN109915730 A CN 109915730A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/34—Hydrogen distribution
Abstract
The invention belongs to hydrogen storage technology fields, specifically, the present invention relates to a kind of more bottles of group low pressure metal hydride hydrogen storage systems of high capacity and its pilot systems.More bottles of group low pressure metal hydride hydrogen storage systems of high capacity include being flushed with hydrogen pipeline, low pressure metal hydride hydrogen storage device, emptying pipeline and hydrogen release pipeline；The pipeline that is flushed with hydrogen is connected with the emptying pipeline, the low pressure metal hydride hydrogen storage device respectively；The low pressure metal hydride hydrogen storage device is also connected with the hydrogen release pipeline.Meanwhile the present invention also provides a kind of pilot systems of more bottles of group low pressure metal hydride hydrogen storage systems of high capacity.More bottles of group low pressure metal hydride hydrogen storage systems of high capacity of the invention can be realized low-pressure high-density hydrogen storage and high-purity hydrogen supply, reusable, safety, economical, have good adaptability.
Description
Technical field
The invention belongs to hydrogen storage technology fields, specifically, the present invention relates to a kind of more bottles of group low pressure metal hydrogen of high capacity
Compound hydrogen storage system and its pilot system.
Background technique
From coal to petroleum, then natural gas is arrived, what the energy (Land use systems) in China was walked is the process of one " decarburization adds hydrogen ".
Hydrogen Energy has many advantages, such as that energy is high, pollution-free, storage is abundant as green regenerative energy sources.The utilization of Hydrogen Energy includes hydrogen manufacturing, storage
Hydrogen, fortune hydrogen and plus hydrogen.In entire hydrogen energy system, hydrogen storage is one of key link, the efficient storage of hydrogen and transports restriction safely
The extensive use of Hydrogen Energy, hydrogen storage be divided into high-pressure hydrogen storing, liquefaction hydrogen storage, adsorption hydrogen-storing and four kinds of metal hydrogen storage.
In high-pressure hydrogen storing, hydrogen mass content is that 1~5.8wt% generally has the high pressure storage tank in hydrogen energy automobile
Two kinds of specifications of 35MPa and 70MPa, high-pressure hydrogen storing tank mainly uses carbon fibre composite or fiber to wind aluminium alloy system entirely at present
At novel light pressure-proof inner containers, the preparation of chamber wall composite material complexity and moulding process become the main of its scale application
Technical barrier.
In liquefaction hydrogen storage, hydrogen mass content > 5wt%, hydrogen is cooled to -253 DEG C of storages, and ultralow temperature consumption energy is big, at
This height, but advantage is hydrogen-storage density height, is chiefly used in space flight, military industry field.
In adsorption hydrogen-storing, it is divided into solid adsorbant hydrogen storage and hydride hydrogen-storing.In solid adsorbant hydrogen storage, hydrogen quality
Content is 5.3~9wt%, and use carries out physics hydrogen storage by main material of carbon material, and environmental parameter 77k, 4MPa is still in
Experimental stage.
In hydride hydrogen-storing, hydrogen mass content is 1.4~5.0wt%, realizes high density, safety, Non-energy-consumption
Hydrogen storage is mainly used in fuel cell and fuel cell car, hydrogen factory hydrogen purification and storage transport, hydrogen pressurization (hydrogen pump)
And hydrogenation stations, the hydrogen supplies such as test equipment, integrated circuit and semiconductor production, powder metallurgy, heat treatment, the application of hydrogen medical health produce
The exploitation etc. of product.The solid-state hydrogen storage system being made into using rare earth hydrogen storage material can realize 3MPa low-pressure high-density storage and transportation below,
Since hydrogen discharging speed is temperature controlled, safety is greatly promoted.Meanwhile the cycle charge discharge more than 5000 times, enough covering use
Life cycle reduces user's operation maintenance cost.Current hydrogen storage system remains in terms of high density hydrogen storage and high-purity hydrogen supply
In deficiency, reusability is poor, lacks universality.
Summary of the invention
To solve the above-mentioned problems, the present invention provides a kind of more bottles of group low pressure metal hydride hydrogen storage systems of high capacity and
Its pilot system, its technical solution is as follows:
A kind of more bottles of group low pressure metal hydride hydrogen storage systems of high capacity comprising: it is flushed with hydrogen pipeline, low pressure metal hydride
Hydrogen-storing device, emptying pipeline and hydrogen release pipeline；It is described be flushed with hydrogen pipeline respectively with the emptying pipeline, the low pressure metal hydride
Hydrogen-storing device is connected；The low pressure metal hydride hydrogen storage device is also connected with the hydrogen release pipeline；The pipeline that is flushed with hydrogen includes
The first quick coupling, the first ball valve, first pressure gauge, the first connector and the second connector being sequentially connected, second connector is also
It is connected with the low pressure metal hydride hydrogen storage device；The emptying pipeline includes needle-valve, third connector, safety valve and back-fire relief
Device；Described needle-valve one end is connected with second connector, and the other end is connected with the third connector；The third connector is also distinguished
It is connected with the fire arrester, the safety valve；The safety valve is also connected with first connector；The hydrogen release pipeline include according to
Secondary connected second pressure gauge, the second ball valve, pressure reducing valve, third pressure gauge and the second quick coupling, the second pressure gauge is simultaneously
It is connected with the low pressure metal hydride hydrogen storage device；The low pressure metal hydride hydrogen storage device includes heat exchanger components and multiple
The high capacity bottle group being connected in parallel, each high capacity bottle group include multiple hydrogen storage bottle units, the heat exchanger components with it is described
High capacity bottle group is connected, for providing heat exchange for the high capacity bottle group；It is first connector, second connector, described
Third connector is three-way connection.
Such as above-mentioned more bottles of group low pressure metal hydride hydrogen storage systems of high capacity, further preferably are as follows: the low pressure metal
Quantity and volume, the quantity of the high capacity bottle group and practical application flow of the hydrogen storage bottle unit of hydride hydrogen storage device
Demand, pressure demand and hydrogen release volume gross demand match.
Such as above-mentioned more bottles of group low pressure metal hydride hydrogen storage systems of high capacity, further preferably are as follows: the hydrogen storage bottle list
Member includes hydrogen storage bottle connector, quick coupling and the hydrogen storage bottle being sequentially connected.
Such as above-mentioned more bottles of group low pressure metal hydride hydrogen storage systems of high capacity, further preferably are as follows: the hydrogen storage bottle packet
Include bottle body and hydrogen storage material bed body；The bottle body is used to provide installation space for the hydrogen storage material bed body；The hydrogen storage material
Bed body is mounted in the bottle body, the hydrogen storage material and aluminium watt of the hydrogen storage material bed body successively lamination discharge, and with the bottle
The axis of body is set in parallel.
Such as above-mentioned more bottles of group low pressure metal hydride hydrogen storage systems of high capacity, further preferably are as follows: the hydrogen storage material
Bed body is the mixture of expanded state；Successively lamination discharges the hydrogen storage material and aluminium watt of the hydrogen storage material bed body, the hydrogen storage
The number of plies of material is less than the number of plies of the aluminium watt.
Such as above-mentioned more bottles of group low pressure metal hydride hydrogen storage systems of high capacity, further preferably are as follows: the aluminium watt is
1060 aluminium watt (750 type), the aluminium watt with a thickness of 0.1mm to 0.5mm.
Such as above-mentioned more bottles of group low pressure metal hydride hydrogen storage systems of high capacity, further preferably are as follows: the width of the aluminium watt
Degree is 50-1000mm, and the size of the width and the bottle body matches.
Such as above-mentioned more bottles of group low pressure metal hydride hydrogen storage systems of high capacity, further preferably are as follows: the bottle body includes
Bottle main body and bottom cover, for the bottle main body for accommodating the hydrogen storage material bed body, the bottom cover is mounted on the bottom of the bottle main body
Portion, and be flexibly connected with the bottle main body by being threadedly engaged.
Such as above-mentioned more bottles of group low pressure metal hydride hydrogen storage systems of high capacity, further preferably are as follows: the bottom cover and institute
It states and sealing ring is installed between bottle main body, the sealing ring is used to seal the gap between the bottle main body and the bottom cover.
Such as above-mentioned more bottles of group low pressure metal hydride hydrogen storage systems of high capacity, further preferably are as follows: the bottle body passes through
Cylinder valve is successively connected with the quick coupling, the hydrogen storage bottle connector, accesses the pipe of the low pressure metal hydride hydrogen storage device
Lu Zhong.
Such as above-mentioned more bottles of group low pressure metal hydride hydrogen storage systems of high capacity, further preferably are as follows: peace in the bottle body
Equipped with filter, the filter is between the cylinder valve and the hydrogen storage material bed body.
Such as above-mentioned more bottles of group low pressure metal hydride hydrogen storage systems of high capacity, further preferably are as follows: peace in the bottle body
Equipped with silica wool layer, the silica wool layer is between the filter and the hydrogen storage material bed body.
Such as above-mentioned more bottles of group low pressure metal hydride hydrogen storage systems of high capacity, further preferably are as follows: pacify on the bottle body
Equipped with relief valve, the relief valve is used for pressure release.
Such as above-mentioned more bottles of group low pressure metal hydride hydrogen storage systems of high capacity, further preferably are as follows: the heat exchanger components
Actual demand with the low pressure metal hydride hydrogen storage device matches, and temperature control range is -40 DEG C -350 DEG C, and temperature-controlled precision is not
± 1 DEG C should be lower than, for providing heat exchange for the low pressure metal hydride hydrogen storage device.
Such as above-mentioned more bottles of group low pressure metal hydride hydrogen storage systems of high capacity, further preferably are as follows: the hydrogen storage material
Bed body uses metal hydride for hydrogen storage media, and the metal hydride is heavy hydride comprising but it is not limited only to LaNi5
Alloy, ferrotianium and Ti-V-Cr system alloy.
A kind of more bottles of group low pressure metal hydride hydrogen storage system test systems of high capacity comprising: above-mentioned high capacity is more
Bottle group low pressure metal hydride hydrogen storage system, the heat exchanging part of more bottles of group low pressure metal hydride hydrogen storage systems of the high capacity
Part is connected with the high capacity bottle group by the 5th test valve；With the first test valve, the first pressure reducing valve, helium being sequentially connected
Gas source, the first test valve are simultaneously connected with the pipeline that is flushed with hydrogen；Be sequentially connected second test valve, the second pressure reducing valve,
Hydrogen source, the second test valve are simultaneously connected with the pipeline that is flushed with hydrogen；Third the test valve, vacuum pump being sequentially connected, institute
It states third test valve and is connected with the emptying pipeline；The 4th test valve, the emptying component being sequentially connected, the 4th examination
It tests valve and is connected with the emptying pipeline；The 7th test valve, third pressure reducing valve, the 6th the test valve, hydrogen being sequentially connected
Gas mass flow controller, the 7th test valve are simultaneously connected with the hydrogen release pipeline；Pressure sensor, the pressure sensing
Device is connected with the pipeline that is flushed with hydrogen.
Analysis it is found that compared with prior art, the advantages and beneficial effects of the present invention are:
More bottles of group low pressure metal hydride hydrogen storage systems of high capacity of the invention be flushed with hydrogen pipeline by four-way connection with it is low
Metal hydride hydrogen storage unit is pressed to be connected, low pressure metal hydride hydrogen storage device is connected by four-way connection with hydrogen release pipeline, energy
Enough complete the charge and discharge of hydrogen；The both ends of emptying pipeline are connected with the second connector, the first connector respectively, so that hydrogen can return
It flow to and is flushed with hydrogen in pipeline, avoid pollution environment, economic and practical, emptying pipeline is equipped with fire arrester, can guarantee the safety of pipeline；
Low pressure metal hydride hydrogen storage device includes multiple high capacity bottle groups being connected in parallel, and each high capacity bottle group includes multiple hydrogen storages
Bottle unit, is connected between hydrogen storage bottle unit by hydrogen pipeline, can be realized low-pressure high-density hydrogen storage and high-purity hydrogen supply, can weigh
Multiple to use, safety is economical, has good adaptability.
Detailed description of the invention
Fig. 1 is the connection schematic diagram of more bottles of group low pressure metal hydride hydrogen storage systems of high capacity of the invention.
Fig. 2 is the attachment structure schematic diagram of hydrogen storage bottle unit of the invention.
Fig. 3 is the connection schematic diagram of pilot system of the invention.
Fig. 4 is more bottles of group low pressure metal hydride hydrogen storage systems of high capacity flow, pressure, hydrogen release at 40 DEG C of the invention
Total volume time history plot.
Fig. 5 is the structural schematic diagram of hydrogen storage bottle of the invention.
In figure: the first quick coupling of 1-；The first ball valve of 2-；3- first pressure gauge；The first connector of 4-；5- safety valve；6-
Three connectors；7- fire arrester；8- needle-valve；The second connector of 9-；10- low pressure metal hydride hydrogen storage device；11- second pressure gauge；12-
Second ball valve；13- pressure reducing valve；14- third pressure gauge；The second quick coupling of 15-；16- high capacity bottle group；17- hydrogen storage bottle connector；
18- quick coupling；19- hydrogen storage bottle；20- hydrogen source；21- second tests valve；22- vacuum pump；23- third tests valve；24-
Empty component；25- the 4th tests valve；26- hydrogen quality flow controller；27- the 6th tests valve；28- third pressure reducing valve；
29- pressure sensor；30- the 7th tests valve；31- heat exchanger components；More bottles of group low pressure metal hydride hydrogen storage systems of 32- high capacity
System；33- first tests valve；34- helium gas source；The first pressure reducing valve of 35-；The second pressure reducing valve of 36-；37- the 5th tests valve；38-
Bottle body；39- hydrogen storage material bed body；40- bottom cover；41- cylinder valve；42- filter；43- silica wool layer；44- relief valve；45- hydrogen storage
Material；46- aluminium watt；47- sealing ring.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, term " longitudinal direction ", " transverse direction ", "upper", "lower", "front", "rear", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "top", "bottom" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the present invention rather than require the present invention that must be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.Term used in the present invention " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected,
It may be a detachable connection；It can be directly connected, can also be indirectly connected by intermediate member, for the common of this field
For technical staff, the concrete meaning of above-mentioned term can be understood as the case may be.
As shown in Figure 1, mainly including the present invention provides a kind of more bottles of group low pressure metal hydride hydrogen storage systems of high capacity
It is flushed with hydrogen pipeline, low pressure metal hydride hydrogen storage device 10, emptying pipeline and hydrogen release pipeline；Be flushed with hydrogen pipeline respectively with emptying pipeline,
Low pressure metal hydride hydrogen storage device 10 is connected；Low pressure metal hydride hydrogen storage device 10 is also connected with hydrogen release pipeline, low pressure gold
Belong to hydride hydrogen storage device 10 by two four-way connections realize respectively with the connection that is flushed with hydrogen pipeline, hydrogen release pipeline；It is flushed with hydrogen pipeline
Including the first quick coupling 1, the first ball valve 2, first pressure gauge 3, the first connector 4 and the second connector 9 being sequentially connected, second is connect
First 9 are also connected with low pressure metal hydride hydrogen storage device 10；Emptying pipeline includes needle-valve 8, third connector 6, safety valve 5 and back-fire relief
Device 7；8 one end of needle-valve is connected with the second connector 9, and the other end is connected with third connector 6；Third connector 6 also respectively with fire arrester 7,
Safety valve 5 is connected；Safety valve 5 is also connected with the first connector 4；Hydrogen release pipeline includes the second pressure gauge 11, second being sequentially connected
Ball valve 12, pressure reducing valve 13, third pressure gauge 14 and the second quick coupling 15, second pressure gauge 11 are simultaneously stored up with low pressure metal hydride
Hydrogen production device 10 is connected；Low pressure metal hydride hydrogen storage device 10 includes heat exchanger components 31 and multiple high capacity bottle groups being connected in parallel
16, each high capacity bottle group 16 includes multiple hydrogen storage bottle units, and heat exchanger components are connected with high capacity bottle group 16, for being high capacity
Bottle group 16 provides heat exchange；First connector 4, the second connector 9, third connector 6 are three-way connection；Second pressure gauge 11 is hydrogen release
High-pressure manometer, for testing the hydrogen release pressure of low pressure metal hydride hydrogen storage device 10；Third pressure gauge 14 is hydrogen release low pressure
Pressure gauge, for detecting the pressure value after the decompression of pressure reducing valve 13, second pressure gauge 11 is used cooperatively with third pressure gauge 14,
To air pressure real-time detection, to guarantee safety；Heat exchanger components 31 are digital display constant water bath box.
Specifically, the pipeline that is flushed with hydrogen of more bottles of group low pressure metal hydride hydrogen storage systems 32 of high capacity of the invention passes through four-way
Connector is connected with low pressure metal hydride hydrogen storage device 10, and low pressure metal hydride hydrogen storage device 10 passes through four-way connection and hydrogen release
Pipeline is connected, and can complete the charge and discharge of hydrogen；The both ends of emptying pipeline are connected with the second connector 9, the first connector 4 respectively, thus
Hydrogen is back to be flushed with hydrogen in pipeline, avoids pollution environment, economic and practical, emptying pipeline is equipped with fire arrester 7, can
Guarantee the safety of pipeline；Low pressure metal hydride hydrogen storage device 10 includes multiple high capacity bottle groups 16, Mei Gegao being connected in parallel
Volumetric flask group 16 includes multiple hydrogen storage bottle units, is connected between hydrogen storage bottle unit by hydrogen pipeline, it is highly dense to can be realized low pressure
Hydrogen storage and high-purity hydrogen supply are spent, reusable, safety is economical, has good adaptability.
The quantity and volume of the hydrogen storage bottle unit of low pressure metal hydride hydrogen storage device of the invention, high capacity bottle group 16
Quantity matches with practical application flow demand, pressure demand and hydrogen release volume gross demand, can increase and decrease according to actual needs
The quantity of quantity and hydrogen storage the bottle unit in parallel of high capacity bottle group 16, volume.The present invention passes through to 16 quantity of high capacity bottle group, storage
Quantity, the flexible design of volume of hydrogen bottle unit, can be improved adaptability of the invention, expand the scope of application of the invention, tool
Have the characteristics that applied widely.
As depicted in figs. 1 and 2, hydrogen storage bottle unit of the invention includes the hydrogen storage bottle connector 17 being sequentially connected, quick coupling
18 and hydrogen storage bottle 19, hydrogen storage bottle connector 17 is three-way connection.The present invention passes sequentially through hydrogen storage bottle connector 17 and quick coupling 18 will
Hydrogen storage bottle 19 accesses low pressure metal hydride hydrogen storage device 10, can stablize not influencing low pressure metal hydride hydrogen storage device 10
Property under the premise of realize hydrogen storage bottle 19 fast insert-pull replacement, improve service efficiency of the invention.
As shown in Figure 2 and Figure 5, hydrogen storage bottle 19 of the invention includes bottle body 38 and hydrogen storage material bed body 39；Bottle body 38 is used for
Installation space is provided for hydrogen storage material bed body 39；Hydrogen storage material bed body 39 is mounted in bottle body 38, and hydrogen storage material bed body 39 includes
Successively lamination discharges for hydrogen storage material 45 and aluminium watt 46, hydrogen storage material 45 and aluminium watt 46, and is set in parallel with the axis of bottle body 38,
It can be improved the heat exchanger effectiveness of hydrogen storage material bed body 39, meanwhile, aluminium watt 46 can also provide support to hydrogen storage material 45.Into one
Step, hydrogen storage material bed body 39 is the mixture of expanded state；The hydrogen storage material 45 and aluminium watt 46 of hydrogen storage material bed body 39 are successively
Lamination discharge, the number of plies of hydrogen storage material 45 are less than the number of plies of aluminium watt 46, can guarantee heat exchange and integrally-built stability.Tool
Body, aluminium watt 46 be 1060 aluminium watt (750 type), aluminium watt 46 with a thickness of 0.1mm to 0.5mm；The width of aluminium watt 46 is 50-
The size of 1000mm, width and bottle body 38 match.
As shown in figure 5, bottle body 38 of the invention includes bottle main body and bottom cover 40, bottle main body is for accommodating hydrogen storage material bed body
39, bottom cover 40 is mounted on the bottom of bottle main body, and is flexibly connected with bottle main body by being threadedly engaged.Bottom cover 40 of the invention and bottle
Main body screw connection, convenient for the replacement of hydrogen storage material bed body 39, so that bottle body 38 can recycle, to realize bottle body
38 not damaged recycling, 38 use cost of bottle body is low, long service life.Further, in order to improve bottom cover 40 and bottle master
Air-tightness between body is equipped with sealing ring 47 between bottom cover 40 and bottle main body, sealing ring 47 is preferably O-ring, for sealing
Gap between bottle main body and bottom cover 40, to improve air-tightness of the invention.
As shown in Figure 1, Figure 2 and Fig. 5 shown in, bottle body of the invention pass through cylinder valve successively with quick coupling 18, hydrogen storage bottle connector 17
It is connected, accesses in the pipeline of low pressure metal hydride hydrogen storage device 10.Bottle body 38 of the invention carries cylinder valve, thus for relatively solely
Vertical unit can further increase interchangeability of the invention.
As shown in figure 5, being also equipped with relief valve 44 on bottle body 38 of the invention, relief valve 44 is used for pressure release, so as to
Guarantee that air pressure improves security performance of the invention in 44 preset range of relief valve in bottle body 38.
As shown in figure 5, being equipped with filter 42 in bottle body 38 of the invention, filter 42 is located at cylinder valve 41 and hydrogen storage material
Between bed body 39, filter 42 is strainer.Further, silica wool layer 43, silica wool layer are installed in bottle body 38 of the invention
43 between filter 42 and hydrogen storage material bed body 39.The present invention passes through installation filter 42 and silica wool layer 43, Neng Goufang
Only hydrogen storage material bed body 39 is inhaled 45 micro mist of hydrogen storage material after putting circulation repeatedly and is overflowed.
As shown in Figure 1, heat exchanger components 31 of the invention are digital display constant water bath box, heat exchanger components 31 and low pressure metal are hydrogenated
Object hydrogen-storing device 10 be connected, the actual demand with low pressure metal hydride hydrogen storage device 10 matches, temperature control range be -40 DEG C -
350 DEG C, temperature-controlled precision is not lower than ± 1 DEG C, for providing heat exchange for low pressure metal hydride hydrogen storage device 10.The present invention is logical
The heat exchanger components that setting matches with low pressure metal hydride hydrogen storage device 10 are crossed, can satisfy the charge and discharge demand of hydrogen.
Hydrogen storage material bed body 39 of the invention uses metal hydride for hydrogen storage media, and metal hydride is heavy hydrogenation
Object comprising but it is not limited only to LaNi5Alloy, ferrotianium and Ti-V-Cr system alloy.
As shown in figure 3, the present invention also provides a kind of more bottles of group low pressure metal hydride hydrogen storage system test systems of high capacity
System mainly includes more bottles of group low pressure metal hydride hydrogen storage systems 32 of high capacity, more bottles of group low pressure metal hydride storages of high capacity
The heat exchanger components 31 of hydrogen system 32 are connected with high capacity bottle group 16 by the 5th test valve 37；With the first test being sequentially connected
Valve 33, the first pressure reducing valve 35, helium gas source 34, the first test valve 33 are simultaneously connected with pipeline is flushed with hydrogen；The second examination being sequentially connected
Valve 21, the second pressure reducing valve 36, hydrogen source 20 are tested, the second test valve 21 is simultaneously connected with pipeline is flushed with hydrogen；The third being sequentially connected
Valve 23, vacuum pump 22 are tested, third test valve 23 is simultaneously connected with emptying pipeline；Be sequentially connected the 4th test valve 25,
Component 24 is emptied, the 4th test valve 25 is simultaneously connected with emptying pipeline；The 7th test valve 30, third pressure reducing valve being sequentially connected
28, the 6th test valve 27, hydrogen quality flow controller 26, the 7th test valve 30 are simultaneously connected with hydrogen release pipeline；Pressure passes
Sensor 29, pressure sensor 29 are connected with pipeline is flushed with hydrogen.
The present invention can be realized by pilot system and carry out to more bottles of group low pressure metal hydride hydrogen storage systems 32 of high capacity
Air-tight test, online activation experiments and hydrogen release test.
Test basis standard of the invention is that hydrogen purity should meet High Purity Hydrogen requirement, helium purity in GB/T 3634.2
The requirement of high-pure helium in GB/T16943 should be met；It is qualified that test apparatus equipment should be examined by this field general provision, and in inspection
It tests in validity period；Hydrogen quality flow controller precision is not lower than ± (1%Rdg+0.2F.S), and repeatability is not less than 0.2%
F.S.；Pressure Sensor Precision is not lower than ± 0.5%F.S.；Heat exchanger components temperature-controlled precision is not lower than ± 1 DEG C；Vacuum pump pole
Limits pressure should be lower than 10-2mbar.In test, there are a degree of repetitive operations by the present invention, related its object is to determine
The open/close states of invention, with the preciseness of guarantee test.
In the present invention, charging temperature is 10 DEG C -30 DEG C；Hydrogen discharging temperature is 20 DEG C -80 DEG C；Being flushed with hydrogen pressure is 1MPa-
5MPa；Hydrogen release pressure is 0.1MPa-0.9MPa；The specified pressure (maximum is flushed with hydrogen pressure) that is flushed with hydrogen is set as 5MPa.
As shown in figure 3, carrying out air-tight test using helium pressure maintaining method, steps are as follows:
Step 1: it closes the second test valve 21, first and tests valve 33, the third test test valve of valve the 23, the 5th
37, the 4th test valve the 25, the 7th tests valve the 30, the 6th and tests valve 27；
Step 2: opening vacuum pump 22, slowly opens third and tests valve 23, is vacuumized, and opens simultaneously the 5th examination
Valve 37 is tested, 31 heat supply of heat exchanger components, temperature setting is hydrogen discharging temperature, is vacuumized at least 24 hours；
Step 3: the first test valve 33 is closed, the first pressure reducing valve 35 is adjusted, sets 1.05 times of volumes for its outlet pressure
Surely it is flushed with hydrogen pressure (the specified pressure that is flushed with hydrogen refers to that the maximum of low pressure metal hydride hydrogen storage device 10 is flushed with hydrogen pressure), while maintaining to exchange heat
31 temperature of component is hydrogen discharging temperature；
Step 4: the first test valve 33 is opened, helium is filled to low pressure metal hydride hydrogen storage device 10 and is filled to 1.05 times
Hydrogen pressure after constant pressure is kept for 1 hour, closes the first test valve 33, while recording the numerical value of pressure sensor, records duration 24
Hour or more；
Step 5: test is completed, and is pumped helium, is replaced it with hydrogen.
When judging test result, judging basis are as follows: in helium pressure maintaining period, pressure is dropped by less than the thousand of the blowing pressure
/ mono- is considered as qualification.
As shown in figure 3, online activation experiments operating procedure is as follows:
Step 1: it closes the second test valve 21, first and tests valve 33, the third test test valve of valve the 23, the 5th
37, the 4th test valve the 25, the 7th tests valve the 30, the 6th and tests valve 27；
Step 2: opening the 5th test valve 37, heat exchanger components 31 be adjusted to charging temperature, and constant temperature 1 hour or more；
Step 3: opening vacuum pump 22, and slowly opens third and test valve 23, vacuumizes 24 hours or more, closes the
Three test valves 23；
Step 4: the second test valve 21 is closed, the second pressure reducing valve 36 is adjusted, sets specified for its outlet pressure and be flushed with hydrogen
Pressure, while maintaining 31 temperature of heat exchanger components is charging temperature, the second test valve 21 is opened, to low pressure metal hydride hydrogen storage
Device 10 is flushed with hydrogen to pressure is flushed with hydrogen, and the second test valve 21 is closed after constant pressure 5 hours；
Step 5: the 4th test valve 25 is opened, low pressure metal hydride hydrogen storage device 10 is emptied, pressure sensor 29
When showing that numerical value is subatmospheric, the 4th test valve 25 is closed, vacuum step is repeated, until pressure is down to 0.01MPa；
Step 6: repetition vacuumize-be flushed with hydrogen-evacuation step more than twice, until low pressure metal hydride hydrogen storage device
10 activation completely, i.e., until maximum hydrogen tolerance that low pressure metal hydride hydrogen storage device 10 can be provided.
Wherein, step 1 to step 3 is vacuum step；Step 4 is to be flushed with hydrogen step；Step 5 is evacuation step；Step
Rapid six be activation step.
As shown in Figure 3 and Figure 4, simulating the hydrogen release test operation of normal operating condition, steps are as follows:
Step 1: completing online activation and the low pressure metal hydride hydrogen storage device 10 for being flushed with hydrogen completion operates, and beats
The 5th test valve 37 is opened, adjusts heat exchanger components 31 to hydrogen discharging temperature, adjusting third pressure reducing valve 28 after constant temperature 1 hour or more will
Its outlet pressure is set as specified hydrogen release pressure, opens the 7th test valve 30；
Step 2: the specified hydrogen discharging rate of setting hydrogen quality flow controller 26 is opened the 6th test valve 27 and is started
Hydrogen release closes the 7th test valve 30 and the 6th test valve 27 when practical hydrogen discharging rate is down to the 5% of initial flow value,
Stop hydrogen release；
Step 3: repetition be flushed with hydrogen-hydrogen release step realize Reusability simulation.
As shown in Figure 1, including three groups of high capacity bottle groups 16 being connected in parallel with low pressure metal hydride hydrogen storage device 10, every
Group high capacity bottle group 16 is that 1 standard is upgraded to example including four hydrogen storage bottle units, each hydrogen storage bottle unit volume, is tested, is protected
Heat exchanger components temperature control is held at 40 DEG C, initial hydrogen release flow control is in 20 Standard Liters per Minutes, and hydrogen release 150 minutes, hydrogen release total amount could
Up to 5000 liters, flow, pressure, hydrogen release total volume time history plot are as shown in Figure 4.
As known by the technical knowledge, the present invention can pass through the embodiment party of other essence without departing from its spirit or essential feature
Case is realized.Therefore, embodiment disclosed above, in all respects are merely illustrative, not the only.Institute
Have within the scope of the present invention or is included in the invention in the change being equal in the scope of the present invention.
Claims (10)
1. a kind of more bottles of group low pressure metal hydride hydrogen storage systems of high capacity characterized by comprising
It is flushed with hydrogen pipeline, low pressure metal hydride hydrogen storage device (10), emptying pipeline and hydrogen release pipeline；
The pipeline that is flushed with hydrogen is connected with the emptying pipeline, the low pressure metal hydride hydrogen storage device respectively；
The low pressure metal hydride hydrogen storage device is also connected with the hydrogen release pipeline；
The pipeline that is flushed with hydrogen includes the first quick coupling (1) being sequentially connected, the first ball valve (2), first pressure gauge (3), first
Connector (4) and the second connector (9), second connector are also connected with the low pressure metal hydride hydrogen storage device；
The emptying pipeline includes needle-valve (8), third connector (6), safety valve (5) and fire arrester (7)；Described needle-valve one end and institute
It states the second connector to be connected, the other end is connected with the third connector；The third connector also respectively with the fire arrester, the peace
Full valve is connected；The safety valve is also connected with first connector；
The hydrogen release pipeline includes the second pressure gauge (11) being sequentially connected, the second ball valve (12), pressure reducing valve (13), third pressure
Table (14) and the second quick coupling (15), the second pressure gauge are simultaneously connected with the low pressure metal hydride hydrogen storage device；
The low pressure metal hydride hydrogen storage device includes heat exchanger components (31) and multiple high capacity bottle groups (16) being connected in parallel,
Each high capacity bottle group includes multiple hydrogen storage bottle units, and the heat exchanger components are connected with the high capacity bottle group, for for
The high capacity bottle group provides heat exchange.
2. more bottles of group low pressure metal hydride hydrogen storage systems of high capacity according to claim 1, it is characterised in that:
The hydrogen storage bottle unit includes the hydrogen storage bottle connector (17) being sequentially connected, quick coupling (18) and hydrogen storage bottle (19).
3. more bottles of group low pressure metal hydride hydrogen storage systems of high capacity according to claim 2, it is characterised in that:
The hydrogen storage bottle includes bottle body and hydrogen storage material bed body；The bottle body is used to provide installation for the hydrogen storage material bed body empty
Between；The hydrogen storage material bed body is mounted in the bottle body, the hydrogen storage material and aluminium watt of the hydrogen storage material bed body successively lamination
Discharge, and be set in parallel with the axis of the bottle body.
4. more bottles of group low pressure metal hydride hydrogen storage systems of high capacity according to claim 3, it is characterised in that:
The bottle body includes bottle main body and bottom cover, and the bottle main body is for accommodating the hydrogen storage material bed body, the bottom cover installation
It is flexibly connected in the bottom of the bottle main body, and with the bottle main body by being threadedly engaged.
5. more bottles of group low pressure metal hydride hydrogen storage systems of high capacity according to claim 3, it is characterised in that:
The bottle body is successively connected with the quick coupling, the hydrogen storage bottle connector by cylinder valve, accesses the low pressure metal hydrogen
In the pipeline of compound hydrogen-storing device.
6. more bottles of group low pressure metal hydride hydrogen storage systems of high capacity according to claim 5, it is characterised in that:
Filter is installed, the filter is between the cylinder valve and the hydrogen storage material bed body in the bottle body.
7. more bottles of group low pressure metal hydride hydrogen storage systems of high capacity according to claim 6, it is characterised in that:
Silica wool layer is installed in the bottle body, silica wool layer be located at the filter and the hydrogen storage material bed body it
Between.
8. more bottles of group low pressure metal hydride hydrogen storage systems of high capacity according to claim 3, it is characterised in that:
Relief valve is installed, the relief valve is used for pressure release on the bottle body.
9. more bottles of group low pressure metal hydride hydrogen storage systems of high capacity according to claim 3, it is characterised in that:
The hydrogen storage material bed body uses metal hydride for hydrogen storage media, and the metal hydride is heavy hydride.
10. a kind of more bottles of group low pressure metal hydride hydrogen storage system test systems of high capacity characterized by comprising
More bottles of group low pressure metal hydride hydrogen storage systems of high capacity described in any one of claim 1-9, the high capacity are more
The heat exchanger components of bottle group low pressure metal hydride hydrogen storage system and the high capacity bottle group pass through the 5th test valve (37)
It is connected；With
Be sequentially connected first test valve (33), the first pressure reducing valve (35), helium gas source (34), it is described first test valve and with
The pipeline that is flushed with hydrogen is connected；
Be sequentially connected second test valve (21), the second pressure reducing valve (36), hydrogen source (20), it is described second test valve and with
The pipeline that is flushed with hydrogen is connected；
Third test valve (23), vacuum pump (22) being sequentially connected, the third test valve and with the emptying pipeline phase
Even；
Be sequentially connected the 4th test valve (25), emptying component (24), it is described 4th test valve and with the emptying pipeline
It is connected；
The 7th be sequentially connected tests valve (30), third pressure reducing valve (28), the 6th test valve (27), hydrogen quality flow control
Device (26) processed, the 7th test valve are simultaneously connected with the hydrogen release pipeline；
Pressure sensor (29), the pressure sensor are connected with the pipeline that is flushed with hydrogen.
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| CN201910180442.1A CN109915730B (en) | 2019-03-11 | 2019-03-11 | High-capacity multi-cylinder low-pressure metal hydride hydrogen storage system and test system thereof |
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| CN201910180442.1A CN109915730B (en) | 2019-03-11 | 2019-03-11 | High-capacity multi-cylinder low-pressure metal hydride hydrogen storage system and test system thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110357034A (en) * | 2019-07-22 | 2019-10-22 | 河北工业大学 | A kind of hydrogen retrieval system and method based on metal hydride |
| 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 |
| CN110718704A (en) * | 2019-10-17 | 2020-01-21 | 江苏集萃安泰创明先进能源材料研究院有限公司 | Metal hydride hydrogen storage bottle on-line activation hydrogen supply device matched with fuel cell system |
| CN111006127A (en) * | 2019-11-04 | 2020-04-14 | 江苏集萃安泰创明先进能源材料研究院有限公司 | Hydrogenation station taking industrial high-pressure composite metal hydride hydrogen storage system as hydrogen source |
-
2019
- 2019-03-11 CN CN201910180442.1A patent/CN109915730B/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110357034A (en) * | 2019-07-22 | 2019-10-22 | 河北工业大学 | A kind of hydrogen retrieval system and method based on metal hydride |
| CN110357034B (en) * | 2019-07-22 | 2022-06-17 | 河北工业大学 | Hydrogen recovery system and method based on metal hydride |
| 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 |
| CN110718704A (en) * | 2019-10-17 | 2020-01-21 | 江苏集萃安泰创明先进能源材料研究院有限公司 | Metal hydride hydrogen storage bottle on-line activation hydrogen supply device matched with fuel cell system |
| CN111006127A (en) * | 2019-11-04 | 2020-04-14 | 江苏集萃安泰创明先进能源材料研究院有限公司 | Hydrogenation station taking industrial high-pressure composite metal hydride hydrogen storage system as hydrogen source |
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| Publication number | Publication date |
|---|---|
| CN109915730B (en) | 2020-07-10 |
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