CN107758613A - Peak-shaving energy storage system for combined electrolytic aluminum and molten aluminum reaction hydrogen production - Google Patents
Peak-shaving energy storage system for combined electrolytic aluminum and molten aluminum reaction hydrogen production Download PDFInfo
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- CN107758613A CN107758613A CN201710939887.4A CN201710939887A CN107758613A CN 107758613 A CN107758613 A CN 107758613A CN 201710939887 A CN201710939887 A CN 201710939887A CN 107758613 A CN107758613 A CN 107758613A
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- aluminum
- aluminium
- water reaction
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- hydrogen
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- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 89
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 88
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 75
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 57
- 239000001257 hydrogen Substances 0.000 title claims abstract description 57
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 57
- 238000004146 energy storage Methods 0.000 title claims abstract description 50
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- XFBXDGLHUSUNMG-UHFFFAOYSA-N alumane;hydrate Chemical compound O.[AlH3] XFBXDGLHUSUNMG-UHFFFAOYSA-N 0.000 claims abstract description 58
- 229910001338 liquidmetal Inorganic materials 0.000 claims abstract description 35
- 238000005868 electrolysis reaction Methods 0.000 claims abstract description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 32
- 229910001868 water Inorganic materials 0.000 claims abstract description 22
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims abstract description 19
- 239000000126 substance Substances 0.000 claims abstract description 18
- 239000007864 aqueous solution Substances 0.000 claims abstract description 14
- 238000007599 discharging Methods 0.000 claims abstract description 13
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000010438 heat treatment Methods 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 9
- 229910052751 metal Inorganic materials 0.000 claims abstract description 5
- 239000002184 metal Substances 0.000 claims abstract description 5
- 239000002994 raw material Substances 0.000 claims abstract description 3
- 239000004411 aluminium Substances 0.000 claims description 66
- 239000007788 liquid Substances 0.000 claims description 20
- 229910021502 aluminium hydroxide Inorganic materials 0.000 claims description 14
- 230000005611 electricity Effects 0.000 claims description 11
- 239000000243 solution Substances 0.000 claims description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- 239000007789 gas Substances 0.000 claims description 8
- 229910052736 halogen Inorganic materials 0.000 claims description 8
- 150000002367 halogens Chemical class 0.000 claims description 8
- 229910052799 carbon Inorganic materials 0.000 claims description 7
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 claims description 6
- 239000013078 crystal Substances 0.000 claims description 6
- 239000000446 fuel Substances 0.000 claims description 6
- 229910052733 gallium Inorganic materials 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 238000001556 precipitation Methods 0.000 claims description 5
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 4
- 239000002253 acid Substances 0.000 claims description 4
- 239000008367 deionised water Substances 0.000 claims description 4
- 229910021641 deionized water Inorganic materials 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 238000009866 aluminium metallurgy Methods 0.000 claims description 3
- 229910052797 bismuth Inorganic materials 0.000 claims description 3
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 claims description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 2
- 238000005119 centrifugation Methods 0.000 claims description 2
- 229910052738 indium Inorganic materials 0.000 claims description 2
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 claims description 2
- 235000011164 potassium chloride Nutrition 0.000 claims description 2
- 239000001103 potassium chloride Substances 0.000 claims description 2
- 159000000000 sodium salts Chemical class 0.000 claims description 2
- 239000000758 substrate Substances 0.000 claims description 2
- 229910052718 tin Inorganic materials 0.000 claims description 2
- 229910052725 zinc Inorganic materials 0.000 claims description 2
- 239000011701 zinc Substances 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims 1
- 238000003860 storage Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 6
- 238000011084 recovery Methods 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 230000001172 regenerating effect Effects 0.000 description 3
- 229910052720 vanadium Inorganic materials 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- 239000000376 reactant Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 2
- 241000790917 Dioxys <bee> Species 0.000 description 1
- GCNLQHANGFOQKY-UHFFFAOYSA-N [C+4].[O-2].[O-2].[Ti+4] Chemical compound [C+4].[O-2].[O-2].[Ti+4] GCNLQHANGFOQKY-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007770 graphite material Substances 0.000 description 1
- -1 hexafluoro sodium aluminate Chemical compound 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 229910001388 sodium aluminate Inorganic materials 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000005619 thermoelectricity Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
- C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
- C01B3/06—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen, e.g. water, acids, bases, ammonia, with inorganic reducing agents
- C01B3/08—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen, e.g. water, acids, bases, ammonia, with inorganic reducing agents with metals
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C3/00—Electrolytic production, recovery or refining of metals by electrolysis of melts
- C25C3/06—Electrolytic production, recovery or refining of metals by electrolysis of melts of aluminium
-
- 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
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
-
- 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
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/133—Renewable energy sources, e.g. sunlight
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Metallurgy (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Combustion & Propulsion (AREA)
- Inorganic Chemistry (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
- Electrolytic Production Of Metals (AREA)
Abstract
The invention provides a peak regulation energy storage system for producing hydrogen by combining electrolytic aluminum and molten aluminum reaction, which comprises two subsystems for producing hydrogen by high-temperature electrolytic aluminum and molten aluminum reaction; the high-temperature electrolytic aluminum subsystem comprises an electrolytic cell arranged in the heating furnace and an electrolytic raw material feeding port at the top of the electrolytic cell; the aluminum water reaction hydrogen production subsystem comprises an aluminum water reaction chamber, wherein the aluminum water reaction chamber is provided with a feeding hole and a discharging hole, the feeding hole is used for feeding aluminum simple substances, liquid metal and aqueous solution generated by electrolysis, and aluminum hydroxide obtained by the discharging hole is connected with the feeding hole of the electrolytic cell. The invention also provides a peak shaving energy storage method. The peak regulation energy storage system provided by the invention can be used for preparing metal aluminum storage energy by electrolyzing aluminum oxide when the peak value is not reached, and green hydrogen energy is released by an aluminum-water reaction during the load peak value, so that the peak regulation energy storage system plays an important role in the development of green energy, is beneficial to the stable and efficient operation of a power system, and promotes the development of a smart power grid.
Description
Technical field
The invention belongs to technical field of energy storage, and in particular to a kind of peak regulation energy-storage system of co-electrolysis aluminium and aluminum-water reaction
And peak regulation energy storage method.
Background technology
Production and living electricity consumption all has peak of power consumption and low power consumption, and this causes the special power energy storage facility of power network needs
To buffer the impact of electricity consumption peak valley.And the generation of electricity by new energy such as solar energy, wind energy, it is defeated in different time due to being limited by external condition
Going out power, there is also greatest differences, it is also desirable to could enter power network after being buffered by special power energy storage facility to electric energy for occupying
The people use.
Energy storage technology can be divided into mechanical energy storage, Power Flow, chemical energy storage and thermoelectricity energy storage at present.The master of mechanical energy storage
It is water-storage, air compressed energy-storage and flywheel energy storage to want application form.Water-storage addressing requires higher, it is necessary to which large area is native
Ground, and environment is caused necessarily to influence.Air compressed energy-storage energy density is relatively low, and is adapted to limited venue.Flywheel energy storage continues
Time is short, has mechanical loss, self discharge be present.The main application form of Power Flow is superconducting energy storage and super capacitor
Device.Superconducting energy storage energy density is low, second duration level, and cost is high.Ultracapacitor energy storage finite capacity, cost of investment is high,
And there is certain self-discharge rate.Chemical energy storage is mainly various metal batteries.Current high-power Large Copacity energy-storage battery mainly has
Several directions such as lead-acid battery, lithium ion battery and liquid vanadium redox battery.Wherein lead-acid battery is cheap but weight
Greatly, short life.Lithium ion battery charge/discharge rates are very fast, bigger than energy, but its is expensive, and total resources is limited, and safety
Risk is higher.All-vanadium flow battery can be with on-demand customization, but high cost, and vanadium resource is limited, it is difficult to large-scale application.Hot energy storage
Technology needs various high temeperature chemistry hot working fluids, and application scenario is limited.
Develop energy-storage system to reducing environmental pollution, improve energy utilization rate, utilization regenerative resource, realize and can hold
Supervention exhibition plays an important role.Therefore, a kind of energy-storage system of the low cost with pervasive meaning of exploitation is very valuable, and this also must
Surely it is one of key technology of intelligent grid.
The content of the invention
For in the prior art the defects of, it is an object of the invention to provide a kind of available peak regulation suitable for wide spectrum
Energy-storage system, co-electrolysis aluminium and aluminum-water reaction hydrogen producing technology, used in the peak regulation energy storage of such as large power plant, it is intended to solve existing deposit
The high ebb of electricity consumption concentrate the problem of and unstability using regenerative resource.
Second object of the present invention is to propose a kind of peak regulation energy storage method.
To achieve these goals, the present invention provides following technical scheme：
A kind of co-electrolysis aluminium and the peak regulation energy-storage system of aluminum-water reaction hydrogen manufacturing, including high-temperature electrolysis aluminium and aluminum-water reaction system
Hydrogen two subsystems；Wherein, high-temperature electrolysis aluminium subsystem includes being arranged at the top of electrolytic cell and electrolytic cell in heating furnace
Material inlet is electrolysed, bottom of electrolytic tank sets aluminium liquid shaped device, and the aluminium liquid shaped device is connected with aluminium simple substance container；Aluminium
Water reaction hydrogen manufacturing subsystem includes aluminum-water reaction room and separator, and the aluminum-water reaction room is provided with charging aperture, the charging
Mouth is used to put into electrolytically generated aluminium simple substance, liquid metal and the aqueous solution, and the separator is located at aluminum-water reaction room bottom, institute
State separator and be provided with aluminium hydroxide discharging opening and liquid metal discharging opening, the aluminium hydroxide discharging opening connects the electrolysis
The electrolysis material inlet of groove, the liquid metal discharging opening connection aluminum-water reaction room charging aperture.
Wherein, the high-temperature electrolysis aluminium subsystem includes anode and negative electrode, and the anode and negative electrode are connected with dc source,
The dc source is connected to power network or power plant by rectifier；Or the dc source is sustainable energy TRT.
Further, the high-temperature electrolysis aluminium subsystem includes anode, negative electrode, heating element heater, temperature-control heat couple, electrolytic cell
And exhaust outlet；The anode is carbon anode, and the negative electrode is inert cathode, and the electrolytic cell is positioned in heating furnace, electrolytic cell
Temperature-control heat couple is inside provided with, the top of electrolytic cell sets the exhaust outlet.Bottom of electrolytic tank connects aluminium liquid building mortion.
Electrolytic cell can be the composite of quartz material, graphite material or liner quartz, graphite or ceramic layer.Electrolysis
The aluminium of aluminium generation is high temperature simple substance, inconvenience storage, therefore first coagulation forming, solid are easy to store and carried.
Described electrolysis electrode uses carbon anode and inert cathode.Reaction on anode is oxidized generation dioxy for carbon electrode
Change carbon, cathode reaction is that aluminum oxide is reduced generation aluminium simple substance.
Described ice crystal is hexafluoro sodium aluminate, for dissolving aluminum oxide, aluminum oxide is easier that molten condition is presented, just
In being decomposed into aluminium simple substance and oxygen.
Wherein, the aluminum-water reaction hydrogen manufacturing subsystem includes aluminum-water reaction room, liquid being placed with the aluminum-water reaction room
Metal, is aqueous layer on liquid metal, and aqueous layer liquid level is no more than the 2/3 of the aluminum-water reaction room, aluminum-water reaction
Ceiling portion is provided with hydrogen collection gas port, and aluminum-water reaction room bottom is connected with the separator of exocentric structure.
Further preferably technical scheme of the invention is that the liquid metal is gallium, or using gallium as substrate, with the addition of indium,
One or more liquid metal alloys formed in tin, zinc, bismuth.
Wherein, described aqueous layer can be formed or formed by adding halogen family deionized water solution, institute by adding pure water
The aqueous solution for stating halogen family ion is sodium salt, the one or more in sylvite, halogen acid solution.The aqueous solution of the halogen family ion
Concentration is 0.05-0.6mol/L.
In reactant, to make metallic aluminium fully activate participation reaction, the quality of liquid metal should be greater than the quality of aluminium.Consider
Part water evaporation can be made to reaction heat, the quality of the aqueous solution should be greater than the quality of four times of aluminium.
Wherein, the hydrogen collection gas port is connected to hydrogen collection, and the hydrogen collection includes hydrogen container, or,
The hydrogen collection is connected with hydrogen fuel cell by surge tank.
A kind of co-electrolysis aluminium and the peak regulation energy storage method of aluminum-water reaction hydrogen manufacturing, using described peak regulation energy-storage system, use
During electric low ebb, be electrolysed aluminium metallurgy subsystem work, power plant is had more than needed electric energy or regenerative resource unstable generating when electric energy convert
For chemical energy, it is stored in pure aluminum；When needing to use energy, aluminum-water reaction hydrogen manufacturing subsystem work, aluminum-water reaction preparing hydrogen
Gas, hydrogen is directly used in hydrogen-oxygen fuel cell and generates electricity or store transport.
During further, it is necessary to using energy, pure aluminum is added in aluminum-water reaction room, pure aluminum is swashed by liquid metal
Living, beginning is reacted with water, and the aluminum hydroxide precipitation of generation and unreacted liquid metal enter separator, with centrifugation point
Aluminium hydroxide is separated out, is aluminum oxide by 140~160 DEG C of heat resolves, for aluminium electroloysis.
Wherein, aluminium hydroxide is added in electrolytic cell, and aluminum oxide is decomposed at a temperature of 140~160 DEG C, then by ice crystal
Stone is added in electrolytic cell, is electrolysed at 950-1200 DEG C, generates pure aluminum.
The beneficial effects of the present invention are：
Metallic aluminium storage energy is made in peak regulation energy-storage system proposed by the present invention electrolysis of aluminum oxide in non-peak, in load
Green Hydrogen Energy is discharged by aluminum-water reaction during peak value, both development to green energy resource play an important role, and are advantageous to electric power again
System stable and high effective operation, promote the development of intelligent grid.
The peak regulation energy storage method of the proposition of the present invention, the cheap aluminium being easy to get is used to react working medium, the floor space of equipment
It is small, without exhaust emission, scalable, you can for the peak regulation energy storage of large-scale firepower electrical plant, can be used for solar energy, wind-force
The grid-connected peak regulation to generate electricity.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are the present invention
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
These accompanying drawings obtain other accompanying drawings.
Fig. 1 is the electrolysis aluminium metallurgy subsystem structure schematic diagram of the present invention,
Fig. 2 is the aluminum-water reaction hydrogen manufacturing subsystem structure schematic diagram of the present invention.
Wherein, 1-dc source；2-aluminium hydroxide and ice crystal charging aperture；3-heating furnace；4-temperature-control heat couple；
5-carbon anode；6-recovery valve；7-exhaust outlet；8-electrolyte, molten cryolitic and aluminum oxide；9-inert cathode；10—
Electrolytic cell；11-aluminium liquid building mortion；12-aluminum-water reaction room；13-aqueous solution；14-metallic aluminium；15-liquid metal；
16-recovery valve；17-liquid metal, aluminium and aqueous solution charging aperture；18-hydrogen collection gas port；19-separator.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, clear, complete description is carried out to the technical scheme in the embodiment of the present invention, it is clear that described embodiment is
Part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
Embodiment 1
A kind of co-electrolysis aluminium and the peak regulation energy-storage system of aluminum-water reaction hydrogen manufacturing, including high-temperature electrolysis aluminium and aluminum-water reaction system
Hydrogen two subsystems；Wherein, high-temperature electrolysis aluminium subsystem includes being arranged on the simple substance aluminum tubes of bottom of electrolytic tank；Aluminum-water reaction system
Hydrogen subsystem includes aluminum-water reaction room, and the aluminum-water reaction room is provided with charging aperture, the charging aperture and the simple substance aluminum tubes
Connect, recovery valve 6 is set in the simple substance aluminum tubes.
Referring to Fig. 1, the high-temperature electrolysis aluminium subsystem includes carbon anode 5 and inert cathode 9 (graphite cathode), the anode
Dc source 1 is connected with negative electrode, the dc source 1 is connected to the electric energy that need to be stored, such as thermal power generation by rectifier
Factory.
High-temperature electrolysis aluminium subsystem includes being arranged on the charging aperture at the top of electrolytic cell 10 and electrolytic cell in heating furnace, electricity
Solve the aluminium liquid shaped device that trench bottom is set；The aluminium liquid shaped device is connected with simple substance aluminium vessel.High-temperature electrolysis aluminium
System includes electrolytic cell 10, and aluminium hydroxide and ice crystal charging aperture 2, heating furnace 3, temperature-control heat couple 4, electricity are set on electrolytic cell 10
Exhaust outlet 7 is provided with the top of solution groove.Bottom of electrolytic tank connection aluminium liquid building mortion 11.
Referring to Fig. 2, the aluminum-water reaction hydrogen manufacturing subsystem includes aluminum-water reaction room, liquid being placed with the aluminum-water reaction room
State metal 15, it is 13 layers of the aqueous solution on liquid metal 15, liquid level is located at the aluminium water on aqueous layer wherein added with metallic aluminium 14
At 2/3 height of reative cell (cavity accounts for 1/3), aluminum-water reaction ceiling portion is provided with hydrogen collection gas port 18, aluminum-water reaction room bottom
The separator 19 of exocentric structure is connected with, the separator is provided with aluminium hydroxide discharging opening and liquid metal discharging opening, point
The electrolysis material inlet of the electrolytic cell is not connected by aluminium hydroxide conveying device and connected by liquid metal conveying device
Connect aluminum-water reaction room charging aperture.
In the present embodiment, the liquid metal is gallium.The described aqueous solution is sodium chloride solution, concentration 0.1mol/L,
Load from the liquid metal in aluminum-water reaction ceiling portion, aluminium and aqueous solution charging aperture 17.
In reactant, the quality of quality >=aluminium of liquid metal.
In theory, the quality of the quality ＞ 2* aluminium of water, but because one side reaction heat can make part water evaporation, separately
On the one hand aluminium hydroxide etc. caused by dilution is needed, aluminium surface is attached to prevent aluminium hydroxide, influences further to react, so real
Test the quality of the middle quality ＞ 50* aluminium for needing water, preferably circulating water.In the present embodiment, the mass ratio of water, liquid metal and aluminium
For 70：20：1.
The hydrogen collection gas port 18 is connected to hydrogen collection, and the hydrogen collection includes hydrogen container, hydrogen container
Hydrogen fuel cell is connected with by surge tank.
During operation, the aqueous solution and liquid metal are housed in aluminum-water reaction container, raw material aluminium is put into aluminium water by charging aperture
Reative cell, start to react with water by the aluminium that liquid metal activates, produce aluminum hydroxide precipitation and hydrogen, hydrogen pass through Hydrogen collection
Mouth is collected, and enters hydrogen container or hydrogen-oxygen fuel cell by hydrogen gas buffer.After reaction terminates, aluminum hydroxide precipitation and have neither part nor lot in
The liquid metal of reaction enters separator by discharging opening, is separated by centrifugal action.Low in electric load, electric power is rich
Yu Shi, isolated liquid metal return aluminum-water reaction room, and aluminum hydroxide precipitation enters heating chamber, be heated to 150 DEG C with
On, it is decomposed into water and aluminum oxide.Next, adding ice crystal in aluminum oxide, more than 1000 DEG C are heated to, forms melt oxidation
Aluminium.The electrode of electrolytic cell two connects electrical power more than needed, and aloxite (AI2O3) is electrolysed in a cell, generates aluminium simple substance and titanium dioxide
Carbon.When needing to use energy, the aluminium simple substance of electrolytic recovery is put into aluminum-water reaction room, you can repeat said process, realize electricity
Solve the Power Cycle of aluminium metallurgy-aluminum-water reaction hydrogen manufacturing.
Embodiment 2
In the present embodiment, the aluminum-water reaction hydrogen manufacturing subsystem includes aluminum-water reaction room, placing in the aluminum-water reaction room
There is liquid metal 15, be 13 layers of the aqueous solution on liquid metal 15, liquid level is no more than the 1/ of the aluminum-water reaction room on aqueous layer
3, aluminum-water reaction ceiling portion is provided with hydrogen collection gas port 18, and aluminum-water reaction room bottom is connected with the separator 19 of exocentric structure.
In the present embodiment, the liquid metal is the alloy that the bismuth for having 1% is melted in gallium Ga.The described aqueous solution is Klorvess Liquid, dense
Spend for 0.5mol/L.In the present embodiment, the mass ratio of Klorvess Liquid, liquid metal and aluminium is 70：10：1.
The electrolysis power supply of the present embodiment peak regulation energy-storage system derives from power supply energy during solar power generation irregular operation.
Other operations are the same as embodiment 1.
Above example is merely to illustrate technical scheme, rather than its limitations；Although with reference to the foregoing embodiments
The present invention is described in detail, it will be understood by those within the art that：It still can be to foregoing each implementation
Technical scheme described in example is modified, or carries out equivalent substitution to which part technical characteristic；And these are changed or replaced
Change, the essence of appropriate technical solution is departed from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a kind of co-electrolysis aluminium and the peak regulation energy-storage system of aluminum-water reaction hydrogen manufacturing, it is characterised in that including high-temperature electrolysis aluminium and
Aluminum-water reaction hydrogen manufacturing two subsystems；
Wherein, the electrolysis raw material at the top of electrolytic cell and electrolytic cell that high-temperature electrolysis aluminium subsystem includes being arranged in heating furnace enters
Material mouth, bottom of electrolytic tank set aluminium liquid shaped device, and the aluminium liquid shaped device is connected with aluminium simple substance container；Aluminum-water reaction hydrogen manufacturing
Subsystem includes aluminum-water reaction room and separator, and the aluminum-water reaction room is provided with charging aperture, and the charging aperture is used to put into
Electrolytically generated aluminium simple substance, liquid metal and the aqueous solution, the separator are located at aluminum-water reaction room bottom, the separator
Aluminium hydroxide discharging opening and liquid metal discharging opening are provided with, the electrolysis that the aluminium hydroxide discharging opening connects the electrolytic cell is former
Expect charging aperture, the liquid metal discharging opening connection aluminum-water reaction room charging aperture.
2. peak regulation energy-storage system according to claim 1, it is characterised in that the high-temperature electrolysis aluminium subsystem includes anode
And negative electrode, the anode and negative electrode are connected with dc source, the dc source is connected to power network or power plant by rectifier；
Or the dc source is sustainable energy TRT.
3. peak regulation energy-storage system according to claim 1, it is characterised in that the high-temperature electrolysis aluminium subsystem includes sun
Pole, negative electrode, heating furnace and exhaust outlet；
The anode is carbon anode, and the negative electrode is inert cathode, and the electrolytic cell is positioned in heating furnace, is set in electrolytic cell
There is temperature-control heat couple, the top of electrolytic cell sets the exhaust outlet, and bottom of electrolytic tank is connected with aluminium liquid building mortion.
4. according to the peak regulation energy-storage system described in claim any one of 1-3, it is characterised in that the aluminum-water reaction hydrogen manufacturing subsystem
System includes aluminum-water reaction room, and liquid metal is placed with the aluminum-water reaction room, is aqueous layer on liquid metal, aqueous layer
Liquid level is no more than the 2/3 of the aluminum-water reaction room, and aluminum-water reaction ceiling portion is provided with hydrogen collection gas port, aluminum-water reaction room bottom
Portion is connected with the separator of exocentric structure.
5. peak regulation energy-storage system according to claim 4, it is characterised in that the liquid metal is gallium, or using gallium as
Substrate, it with the addition of one or more liquid metal alloys formed in indium, tin, zinc, bismuth.
6. described peak regulation energy-storage system is required according to right 4, it is characterised in that described aqueous layer is by adding pure water structure
Into or by add halogen family deionized water solution composition, the halogen family deionized water solution is in sodium salt, sylvite, halogen acid solution
It is one or more；The concentration of the halogen family deionized water solution is 0.05-0.6mol/L.
7. peak regulation energy-storage system according to claim 4, it is characterised in that the hydrogen collection gas port is connected to Hydrogen collection
System, the hydrogen collection include hydrogen container, or, the hydrogen collection is connected with hydrogen fuel electricity by surge tank
Pond.
8. a kind of co-electrolysis aluminium and the peak regulation energy storage method of aluminum-water reaction hydrogen manufacturing, it is characterised in that appointed using claim 1-7
Peak regulation energy-storage system described in one, during low power consumption, aluminium metallurgy subsystem work is electrolysed, power plant is had more than needed electric energy or renewable energy
Electric energy during the unstable generating in source is converted into chemical energy, is stored in pure aluminum；When needing to use energy, aluminum-water reaction hydrogen manufacturing
System works, aluminum-water reaction hydrogen making, and hydrogen is directly used in into hydrogen-oxygen fuel cell generates electricity or store transport.
9. peak regulation energy storage method according to claim 8, it is characterised in that when needing to use energy, pure aluminum is added
In aluminum-water reaction room, pure aluminum is activated by liquid metal, starts to react with water, the aluminum hydroxide precipitation of generation and unreacted liquid
State metal enters separator, and aluminium hydroxide is isolated with centrifugation, is aluminum oxide by 140~160 DEG C of heat resolves, with
For aluminium electroloysis.
10. peak regulation energy storage method according to claim 8 or claim 9, it is characterised in that aluminium hydroxide is added in electrolytic cell,
Aluminum oxide is decomposed at a temperature of 140-160 DEG C, then ice crystal is added in electrolytic cell, is electrolysed at 950-1200 DEG C,
Generate pure aluminum.
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| CN108418202A (en) * | 2018-04-04 | 2018-08-17 | 北京航空航天大学 | A kind of cycle generating system based on regenerative resource |
| CN109319507A (en) * | 2018-09-25 | 2019-02-12 | 苏州大学 | Realize the device of magnetic liquid metal three-dimensional motion |
| CN113023671A (en) * | 2021-02-07 | 2021-06-25 | 西安热工研究院有限公司 | Power generation system for coupling aluminum combustion and hydrogen fuel cell and working method thereof |
| CN113054889A (en) * | 2021-04-25 | 2021-06-29 | 济南易航新材料科技有限公司 | System for generating hydrogen by utilizing abandoned wind and abandoned light |
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| CN113584530A (en) * | 2021-09-02 | 2021-11-02 | 西安热工研究院有限公司 | Back-pressure aluminum-steam combustion poly-generation energy storage system and working method |
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| CN114665795A (en) * | 2022-04-22 | 2022-06-24 | 西安交通大学 | Aluminum-based energy conversion system with zero carbon emission |
| CN114665795B (en) * | 2022-04-22 | 2024-04-16 | 西安交通大学 | Aluminum-based energy conversion system with zero carbon emission |
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Application publication date: 20180306 |