CN104694950B - A kind of high-temperature electrolysis water hydrogen generating system of coupled solar photo-thermal - Google Patents
A kind of high-temperature electrolysis water hydrogen generating system of coupled solar photo-thermal Download PDFInfo
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- CN104694950B CN104694950B CN201510126438.9A CN201510126438A CN104694950B CN 104694950 B CN104694950 B CN 104694950B CN 201510126438 A CN201510126438 A CN 201510126438A CN 104694950 B CN104694950 B CN 104694950B
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- 239000001257 hydrogen Substances 0.000 title claims abstract description 135
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 135
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 133
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 75
- 238000005868 electrolysis reaction Methods 0.000 title claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 claims abstract description 40
- 239000001301 oxygen Substances 0.000 claims abstract description 40
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 40
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 38
- 238000000926 separation method Methods 0.000 claims abstract description 25
- 238000009825 accumulation Methods 0.000 claims abstract description 18
- 239000000203 mixture Substances 0.000 claims abstract description 17
- 239000007787 solid Substances 0.000 claims description 40
- 238000005338 heat storage Methods 0.000 claims description 24
- 238000003860 storage Methods 0.000 claims description 14
- 239000003792 electrolyte Substances 0.000 claims description 6
- 239000011214 refractory ceramic Substances 0.000 claims description 6
- 239000011232 storage material Substances 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 239000007789 gas Substances 0.000 claims description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims 1
- 150000001875 compounds Chemical class 0.000 claims 1
- 229910001882 dioxygen Inorganic materials 0.000 claims 1
- 238000005984 hydrogenation reaction Methods 0.000 claims 1
- 230000003647 oxidation Effects 0.000 claims 1
- 238000007254 oxidation reaction Methods 0.000 claims 1
- 230000001681 protective effect Effects 0.000 abstract description 5
- 238000010438 heat treatment Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 9
- 230000008901 benefit Effects 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 239000002131 composite material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- PZZOEXPDTYIBPI-UHFFFAOYSA-N 2-[[2-(4-hydroxyphenyl)ethylamino]methyl]-3,4-dihydro-2H-naphthalen-1-one Chemical compound C1=CC(O)=CC=C1CCNCC1C(=O)C2=CC=CC=C2CC1 PZZOEXPDTYIBPI-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 229910017053 inorganic salt Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/50—Processes
- C25B1/55—Photoelectrolysis
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/02—Hydrogen or oxygen
- C25B1/04—Hydrogen or oxygen by electrolysis of water
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
- C25B9/60—Constructional parts of cells
- C25B9/65—Means for supplying current; Electrode connections; Electric inter-cell connections
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Abstract
The present invention provides a kind of high-temperature electrolysis water hydrogen generating systems of coupled solar photo-thermal, the system includes sequentially connected thermal energy supplying module, hydrogen manufacturing and separation module and memory module, thermal energy supplying module includes sequentially connected beam condensing unit, heat collector, heat accumulation high temperature heat pipe heat exchanger and heat exchanger unit, and after heating the water in hydrogen manufacturing and separation module and hydrogen mixture to 800 DEG C or more of water vapour and hydrogen mixture, electrolytic separation hydrogen and oxygen.Compared to the prior art, hydrogen generating system provided by the invention, without expending fossil energy, production process is more environmentally protective, and significantly reduces power consumption；It, which is provided, stablizes heat source, solves the opto-thermal system situation unstable with Changes in weather, improves the availability of system, while improving the electrolytic efficiency of system.
Description
Technical field
The present invention relates to solar energy and Hydrogen Energy field of comprehensive utilization, in particular to a kind of high temperature of coupled solar photo-thermal
Water electrolysis hydrogen production system.
Background technique
Hydrogen Energy is generally acknowledged clean energy resource, is being shown one's talent as low-carbon and the zero carbon energy.It is light-weight, calorific value is high,
It has good burning performance, nontoxic recyclable recycling, is good secondary energy sources.But the application of Hydrogen Energy large-scale commercial applications is restricted at present
Key factor is exactly not find a kind of cheap hydrogen producing technology also.And solar energy is most universal non-renewable energy, solar energy heating supplies
The operating cost of thermal technology is very low, and green zero-emission completely develops a kind of more cheap hydrogen manufacturing skill by solar energy in conjunction with Hydrogen Energy
Art is that the present invention is of interest.
In existing hydrogen producing technology, in water electrolysis hydrogen production, the electricity charge account for 80% or so of entire water electrolysis hydrogen production producing cost.
And high temperature steam electrolytic hydrogen manufacturing technology uses high-temperature solid oxide electrolytic cell (SOEC) electrolysis of water steam, the technology
Have many advantages, such as that power consumption is few, efficient, cost is relatively low.800 DEG C or more of high-quality heat energy is provided for electrolytic cell, it can be by can
The renewable sources of energy or nuclear energy realizes, but the combusts fossil energy obtain thermal energy be considered and it is uneconomical also not environmentally.
Conventional solar energy optical-thermal condenser system can not provide stable thermal energy, with weather variation or sunset it
Afterwards, system can not just stablize, continuous service.
Therefore, how to provide a kind of with stablizing heat source and can guarantee the hydrogen manufacturing system continually and steadily run of system
System, is those skilled in the art's urgent problem to be solved.
Summary of the invention
In view of this, the present invention provides a kind of high-temperature electrolysis water hydrogen generating system of coupled solar photo-thermal, which is not necessarily to
Fossil energy is expended, production process is more environmentally protective, and significantly reduces power consumption；It, which is provided, stablizes heat source, solves
The opto-thermal system situation unstable with Changes in weather, improves the availability and reliability of system, while improving system
Electrolytic efficiency.
A kind of high-temperature electrolysis water hydrogen generating system of coupled solar photo-thermal, the hydrogen generating system includes sequentially connected thermal energy
Supplying module, hydrogen manufacturing and separation module and memory module, the hydrogen manufacturing and separation module be equipped with DC power supply, the hydrogen manufacturing and
Separation module and memory module are connect with water tank；
The thermal energy supplying module include sequentially connected beam condensing unit, heat collector, heat accumulation high temperature heat pipe heat exchanger and
Heat exchanger unit；
The heat collector is mounted on the focal point of the beam condensing unit, and the heat collector absorbs in the beam condensing unit
Thermal energy so that the internal temperature of the heat collector be not less than 1000 DEG C；
The thermal energy that the heat collector is collected into is delivered to the heat exchanger unit by the heat accumulation high temperature heat pipe heat exchanger；
The thermal energy that the heat collector is collected is transferred to the hydrogen manufacturing and separation module by the heat exchanger unit, heats institute
State the water vapour and hydrogen mixture of the water and hydrogen mixture to 800 DEG C or more in hydrogen manufacturing and separation module.
Preferably, the heat exchanger unit is vapor heat exchanger, and the vapor heat exchanger passes through the heat accumulation high-temperature heat pipe
The thermal energy that the heat collector stores is transferred to the hydrogen manufacturing and separation module by heat exchanger.
Preferably, the heat exchanger unit includes that high-temperature heat-storage device and the heat release connecting with the high-temperature heat-storage device are high
Warm heat exchange of heat pipe；
The high-temperature heat-storage device stores the thermal energy in the heat collector by the heat accumulation high temperature heat pipe heat exchanger, and
Its internal temperature is kept to be higher than 800 DEG C；
The thermal energy that the high-temperature heat-storage device stores is transferred to the hydrogen manufacturing and divided by the heat release high temperature heat pipe heat exchanger
From module.
Preferably, the hydrogen manufacturing and separation module include high-temperature solid oxide electrolytic cell and hydrogen water vapor trap；
Cathode, electrolyte and anode are equipped in the high-temperature solid oxide electrolytic cell；
The high-temperature solid oxide electrolytic cell is equipped with the DC power supply, the high-temperature solid oxide electrolytic cell benefit
High-temperature water vapour electrolytic is become into hydrogen and oxygen with the electric energy that the DC power supply provides；
The hydrogen vapor separator is connect with the top of the cathode side of the high-temperature solid oxide electrolytic cell to connect
It receives the mixture of hydrogen and water vapour and isolates pure hydrogen.
Preferably, the memory module includes hydrogen cooler, hydrogen gas storing device, oxygen quencher and oxygen storage dress
It sets；
The hydrogen water vapor trap, hydrogen cooler and hydrogen storage are sequentially connected；
Anode-side, oxygen quencher and the oxygen storage device of the high-temperature solid oxide electrolytic cell are sequentially connected, institute
State the oxygen that oxygen quencher received and cooled down the anode-side of the high-temperature solid oxide electrolytic cell；
The hydrogen cooler is connect with the oxygen quencher.
Preferably, the heat exchange unit is connect with the high-temperature solid oxide electrolytic cell；
Thermal energy is transmitted to the high-temperature solid oxide electrolytic cell by the heat exchange unit, makes the high-temperature solid oxide
Temperature is not less than 800 DEG C in electrolytic cell.
Preferably, feed pump is connected between the high-temperature solid oxide electrolytic cell and the water tank.
Preferably, the hydrogen cooler and oxygen quencher pass through water circulating pump and connect with the water tank.
Preferably, the beam condensing unit is butterfly beam condensing unit or tower beam condensing unit.
Preferably, the high-temperature heat-storage device uses refractory ceramics base composite phase-change heat accumulating or refractory ceramics sensible heat
Heat accumulating.
It can be seen from the above technical scheme that the present invention provides a kind of high-temperature electrolysis water systems of coupled solar photo-thermal
Hydrogen system, the system include sequentially connected thermal energy supplying module, hydrogen manufacturing and separation module and memory module, thermal energy supplying module
Including sequentially connected beam condensing unit, heat collector, heat accumulation high temperature heat pipe heat exchanger and heat exchanger unit, and heats hydrogen manufacturing and divide
After the water and hydrogen mixture to 800 DEG C or more of water vapour and hydrogen mixture in module, electrolytic separation hydrogen and oxygen.
Compared to the prior art, hydrogen generating system provided by the invention, without expending fossil energy, production process is more environmentally protective, and
And significantly reduce power consumption；It, which is provided, stablizes heat source, solves the opto-thermal system situation unstable with Changes in weather, mentions
The high availability of system, while improving the electrolytic efficiency of system.
Compared with the latest prior art, technical solution provided by the invention has following excellent effect:
1, technical solution provided by the invention passes through beam condensing unit, heat collector, heat accumulation high temperature heat pipe heat exchanger and heat exchange
The setting of device unit, so that the system is without expending fossil energy, production process is more environmentally protective, and significantly reduces
Power consumption；It, which is provided, stablizes heat source, solves the opto-thermal system situation unstable with Changes in weather, improves the available of system
Property and reliability, while improving the electrolytic efficiency of system.
2, technical solution provided by the invention uses solar energy optical-thermal condenser system to provide high quality heat for water electrolysis system
Can, without expending fossil energy, production process is more environmentally protective.
3, technical solution provided by the invention, high-temperature heat-storage installed capacity is according to the thermal load demands of hydrogen generating system come really
It is fixed, meet a system for requiring round-the-clock continuous work and needs to configure 15 hours even heat reservoir of large capacity.High-temperature-phase
Become heat reservoir and into solid oxide electrolyte water hydrogen generating system provide stable heat source, solve opto-thermal system with Changes in weather without
Stable situation improves the availability of system.
4, technical solution provided by the invention, having coupled solar energy hot systems is solid oxide electrolyte water hydrogen generating system
High temperature heat is provided, compared to conventional alkaline water electrolysis hydrogen production, system electrolytic efficiency improves 20% or more.
5, technical solution provided by the invention, thermal load demands and storage of the form and area of condenser according to hydrogen generating system
Thermal capacity selects, and distributed system generally uses disc type condensation system, can provide 50-200kW thermal power；Scale
System uses tower condenser system, can provide the thermal power of 30MW or so, meet the power requirement of different form system, fits
It is extensive with property.
6, technical solution provided by the invention, is widely used, and has significant Social benefit and economic benefit.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description briefly to introduce, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of connection schematic diagram of the high-temperature electrolysis water hydrogen generating system of coupled solar photo-thermal of the invention.
The connection schematic diagram that Fig. 2 is heat exchanger unit in hydrogen generating system of the invention when being vapor heat exchanger.
Fig. 3 is that the heat exchanger unit of hydrogen generating system of the invention includes high-temperature heat-storage device and heat release high temperature heat pipe heat exchanger
When connection schematic diagram.
Wherein, 1- beam condensing unit, 2- heat collector, 3- heat accumulation high temperature heat pipe heat exchanger, 4- high-temperature heat-storage device, 5- heat release
High temperature heat pipe heat exchanger, 6- DC power supply, 7- high-temperature solid oxide electrolytic cell, 8- hydrogen water vapor trap, 9- hydrogen are cold
But device, 10- hydrogen gas storing device, 11- oxygen quencher, 12- oxygen storage device, 13- water tank, 14- feed pump, 15- circulation
Water pump, 16- anode, 17- electrolyte, 18- cathode, 19- heat exchanger unit, 20- thermal energy supplying module, 21- hydrogen manufacturing and splitting die
Block, 22- memory module, 23- vapor heat exchanger.
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
The embodiment of the present invention, every other reality obtained by those of ordinary skill in the art without making creative efforts
Example is applied, shall fall within the protection scope of the present invention.
As shown in Figure 1, a kind of high-temperature electrolysis water hydrogen generating system of coupled solar photo-thermal provided by the invention, system include
Sequentially connected thermal energy supplying module 20, hydrogen manufacturing and separation module 21 and memory module 22, hydrogen manufacturing and separation module 21 are equipped with
DC power supply 6, hydrogen manufacturing and separation module 21 and memory module 22 are connect with water tank 13；
Thermal energy supplying module 20 includes sequentially connected beam condensing unit 1, heat collector 2,3 and of heat accumulation high temperature heat pipe heat exchanger
Heat exchanger unit 19；
Heat collector 2 is mounted on the focal point of beam condensing unit 1, and heat collector 2 absorbs the thermal energy in beam condensing unit 1, so that
The internal temperature of heat collector 2 is not less than 1000 DEG C；
The thermal energy that heat collector 2 is collected into is delivered to heat exchanger unit 19 by heat accumulation high temperature heat pipe heat exchanger 3；
The thermal energy that heat collector 2 is collected is transferred to hydrogen manufacturing and separation module 21 by heat exchanger unit 19, is heated hydrogen manufacturing and is divided
Water vapour and hydrogen mixture from water and hydrogen mixture to 800 DEG C or more in module 21.
As shown in Fig. 2, heat exchanger unit 19 is vapor heat exchanger 23, vapor heat exchanger 23 is exchanged heat by heat accumulation high-temperature heat pipe
The thermal energy that heat collector 2 stores is transferred to hydrogen manufacturing and separation module 21 by device 3.
As shown in figure 3, heat exchange unit includes high-temperature heat-storage device 4 and the heat release height connecting with high-temperature heat-storage device 4 warm
Heat exchange of heat pipe 5；
High-temperature heat-storage device 4 stores the thermal energy in heat collector 2 by heat accumulation high temperature heat pipe heat exchanger 3, and keeps in it
Portion's temperature is higher than 800 DEG C；Heat dump thermal energy is efficiently transmitted to by high-temperature heat-storage device using high-temperature heat pipe technology, still uses high temperature
Heat changes heat transfer technology for high-temperature heat-storage device thermal energy high efficiency of transmission to heat exchanger heating steam.
The thermal energy that high-temperature heat-storage device 4 stores is transferred to hydrogen manufacturing and separation module 21 by heat release high temperature heat pipe heat exchanger 5.
Wherein, hydrogen manufacturing and separation module 21 include high-temperature solid oxide electrolytic cell 7 and hydrogen water vapor trap 8；
Cathode 18, electrolyte 17 and anode 16 are equipped in high-temperature solid oxide electrolytic cell 7；Hydrogen and water vapor mixture
It collects and sends out by different pipelines with oxygen；
High-temperature solid oxide electrolytic cell 7 is equipped with DC power supply 6, and high-temperature solid oxide electrolytic cell 7 utilizes direct current
High-temperature water vapour electrolytic is become hydrogen and oxygen by the electric energy that source 6 provides；
Hydrogen vapor separator is connect with the top of 18 side of cathode of high-temperature solid oxide electrolytic cell 7 to receive hydrogen
With the mixture of water vapour and isolate pure hydrogen.
Memory module 22 includes hydrogen cooler 9, hydrogen gas storing device 10, oxygen quencher 11 and oxygen storage device
12；
Hydrogen water vapor trap 8, hydrogen cooler 9 and hydrogen storage are sequentially connected；
16 side of anode, oxygen quencher 11 and the oxygen storage device 12 of high-temperature solid oxide electrolytic cell 7 are sequentially connected,
Oxygen quencher 11 receives and the oxygen of 16 side of anode of cooling high-temperature solid oxide electrolytic cell 7；
Hydrogen cooler 9 is connect with oxygen quencher 11, and 9 cooled hydrogen of hydrogen cooler recycles heat and arrive to room temperature
Water tank 13.The cooling oxygen of oxygen quencher 11 recycles heat to water tank 13 to room temperature.
Heat exchanger unit 19 is connect with high-temperature solid oxide electrolytic cell 7；
Thermal energy is transmitted to high-temperature solid oxide electrolytic cell 7 by heat exchange unit, is made warm in high-temperature solid oxide electrolytic cell 7
Degree is not less than 800 DEG C.
Wherein, 13 one side of water tank is used to provide water supply for electrolytic cell, on the other hand for collecting cooling high-temperature hydrogen, oxygen
Obtained heat when gas enables heat to recycle without scattering and disappearing,
Feed pump 14 is connected between high-temperature solid oxide electrolytic cell 7 and water tank 13, feed pump 14 is for sending water supply
Enter in electrolytic cell, keeps the circulation power of water electrolysis system.
Hydrogen cooler 9 and oxygen quencher 11 are connect with water circulating pump 15 with water tank 13, water circulating pump 15 is used for will
Water in water tank 13 is sent into hydrogen cooler 9 and oxygen quencher 11, and is circulated back to water tank 13.
Beam condensing unit 1 is butterfly beam condensing unit 1 or tower beam condensing unit 1, wherein the form of beam condensing unit 1 and area according to
The thermal load demands and heat-storing device capacity of hydrogen generating system select, and distributed system generally uses disc type condensation system, can be with
50-200kW thermal power is provided；Scale system uses tower condenser system, can provide the thermal power of 30MW or so.
High-temperature heat-storage device 4 uses refractory ceramics base composite phase-change heat accumulating or refractory ceramics researching of sensible heat storage material.
Wherein, 4 capacity of high-temperature heat-storage device is determined according to the thermal load demands of hydrogen generating system, and one requires round-the-clock continuous work
System needs to configure 15 hours even heat reservoir of large capacity.High-temperature heat-storage system uses composite inorganic salt/ceramic-base heat-accumulating
Material designs heat accumulation, heat release high temperature heat pipe heat exchanger 5 according to the power demand of the thermal power of light and heat collection system and thermic load.
A kind of working principle of the high-temperature electrolysis water hydrogen generating system of coupled solar photo-thermal provided by the invention is by the sun
Can photo-thermal-heat reservoir provide thermal energy to high-temperature solid oxide electrolytic cell 7, high-temperature solid oxide electrolytic cell 7 in electric energy and
Under the action of high-temperature technology thermal energy, efficiently by the electrolytically generated hydrogen of vapor and oxygen.
For sunlight after the aggregation of beam condensing unit 1, heat collector 2 reaches 1000 degree or so.It is changed by heat accumulation high-temperature heat pipe
Hot device 3 delivers heat to heat exchanger unit 19, and heat exchanger unit 19 exchanges heat in hydrogen generating system, by water supply and hydrogen
Mixture is heated to 800 DEG C or more.
Water is heated as high-temperature steam, the hydrogen shield electrode in mixture is not oxidized.The water vapour of the condition of high temperature
It is entered in high-temperature solid oxide electrolytic cell 7 with hydrogen mixture and is decomposed into hydrogen and oxygen.Hydrogen and remaining water vapour into
Enter 8 separator of hydrogen water vapor trap, most of hydrogen is separated, and is sent into hydrogen cooler 9 and is cooled to room temperature, is deposited by hydrogen
Storage device 10 stores.Water vapour and remaining hydrogen enter heat exchanger after mixing with water supply and restart to recycle.
Oxygen is cooled to room temperature by oxygen quencher 11, is stored by oxygen storage device 12, cooling heat is inhaled by recirculated water
After receipts, it is admitted to the recycling of water tank 13.
The above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof, although referring to above-described embodiment pair
The present invention is described in detail, those of ordinary skill in the art still can to a specific embodiment of the invention into
Row modifies perhaps equivalent replacement and these exist without departing from any modification of spirit and scope of the invention or equivalent replacement
Apply within pending claims of the invention.
Claims (7)
1. a kind of high-temperature electrolysis water hydrogen generating system of coupled solar photo-thermal, the hydrogen generating system includes that sequentially connected thermal energy supplies
To module, hydrogen manufacturing and separation module and memory module, the hydrogen manufacturing and separation module are equipped with DC power supply, the hydrogen manufacturing and point
It is connect with water tank from module and memory module；It is characterized in that,
The thermal energy supplying module includes sequentially connected beam condensing unit, heat collector, heat accumulation high temperature heat pipe heat exchanger and heat exchange
Device unit；
The heat collector is mounted on the focal point of the beam condensing unit, and the heat collector absorbs the heat in the beam condensing unit
Can, so that the internal temperature of the heat collector is not less than 1000 DEG C；
The thermal energy that the heat collector is collected into is delivered to the heat exchanger unit by the heat accumulation high temperature heat pipe heat exchanger；
The thermal energy that the heat collector is collected is transferred to the hydrogen manufacturing and separation module by the heat exchanger unit, heats the system
The water vapour and hydrogen mixture of water and hydrogen mixture to 800 DEG C or more in hydrogen and separation module；
The heat exchanger unit is vapor heat exchanger or is made of high-temperature heat-storage device, heat release high temperature heat pipe heat exchanger；
The thermal energy that the heat collector stores is transferred to institute by the heat accumulation high temperature heat pipe heat exchanger by the vapor heat exchanger
State hydrogen manufacturing and separation module；
The high-temperature heat-storage device stores the thermal energy in the heat collector by the heat accumulation high temperature heat pipe heat exchanger, and keeps
Its internal temperature is higher than 800 DEG C；
The thermal energy that the high-temperature heat-storage device stores is transferred to the hydrogen manufacturing and splitting die by the heat release high temperature heat pipe heat exchanger
Block；
The beam condensing unit is butterfly beam condensing unit or tower beam condensing unit.
2. hydrogen generating system as described in claim 1, which is characterized in that the hydrogen manufacturing and separation module include high-temp solid oxidation
Object electrolytic cell and hydrogen water vapor trap；
Cathode, electrolyte and anode are equipped in the high-temperature solid oxide electrolytic cell；
The high-temperature solid oxide electrolytic cell is equipped with the DC power supply, and the high-temperature solid oxide electrolytic cell utilizes institute
High-temperature water vapour electrolytic is become hydrogen and oxygen by the electric energy for stating DC power supply offer；
The hydrogen vapor separator is connect with the top of the cathode side of the high-temperature solid oxide electrolytic cell to receive hydrogen
The mixture of gas and water vapour simultaneously isolates pure hydrogen.
3. hydrogen generating system as claimed in claim 2, which is characterized in that the memory module includes that hydrogen cooler, hydrogen are deposited
Storage device, oxygen quencher and oxygen storage device；
The hydrogen water vapor trap, hydrogen cooler and hydrogen storage are sequentially connected；
Anode-side, oxygen quencher and the oxygen storage device of the high-temperature solid oxide electrolytic cell are sequentially connected, the oxygen
Gas Cooler receives and cools down the oxygen of the anode-side of the high-temperature solid oxide electrolytic cell；
The hydrogen cooler is connect with the oxygen quencher.
4. hydrogen generating system as claimed in claim 3, which is characterized in that the heat exchanger unit and the high-temperature solid oxide
Electrolytic cell connection；
Thermal energy is transmitted to the high-temperature solid oxide electrolytic cell by the heat exchanger unit, makes the high-temperature solid oxide electricity
Temperature is not less than 800 DEG C in Xie Chi.
5. such as the described in any item hydrogen generating systems of claim 2 to 4, which is characterized in that the high-temperature solid oxide electrolytic cell
Feed pump is connected between the water tank.
6. hydrogen generating system as claimed in claim 3, which is characterized in that the hydrogen cooler and oxygen quencher, which pass through, to follow
Ring water pump is connect with the water tank.
7. hydrogen generating system as described in claim 1, which is characterized in that the high-temperature heat-storage device is compound using refractory ceramics base
Phase-change heat-storage material or refractory ceramics researching of sensible heat storage material.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510126438.9A CN104694950B (en) | 2015-03-20 | 2015-03-20 | A kind of high-temperature electrolysis water hydrogen generating system of coupled solar photo-thermal |
| PCT/CN2015/094099 WO2016150168A1 (en) | 2015-03-20 | 2015-11-09 | Solar optothermal coupled high-temperature water electrolysis hydrogen production system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510126438.9A CN104694950B (en) | 2015-03-20 | 2015-03-20 | A kind of high-temperature electrolysis water hydrogen generating system of coupled solar photo-thermal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104694950A CN104694950A (en) | 2015-06-10 |
| CN104694950B true CN104694950B (en) | 2019-03-22 |
Family
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| CN104694950B (en) * | 2015-03-20 | 2019-03-22 | 国家电网公司 | A kind of high-temperature electrolysis water hydrogen generating system of coupled solar photo-thermal |
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| CN109280935B (en) * | 2018-11-15 | 2024-03-15 | 深圳市凯豪达氢能源有限公司 | Hydrogen production device |
| CN110093618A (en) * | 2019-04-18 | 2019-08-06 | 华电电力科学研究院有限公司 | Based on distributed photo-thermal device for preparing hydrogen and hydrogen fuel cell system and working method |
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| CN111663150B (en) * | 2020-07-15 | 2022-02-01 | 全球能源互联网研究院有限公司 | Wave type power input hydrogen production method by electrolyzing water and device thereof |
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| CN113718277A (en) * | 2021-09-14 | 2021-11-30 | 北京思伟特新能源科技有限公司 | Self-heating electrolytic cell hydrogen production system |
| CN113930799A (en) * | 2021-11-29 | 2022-01-14 | 江苏科技大学 | Heat recovery system for hydrogen production of solid oxide electrolytic cell |
| CN114232029B (en) * | 2021-12-20 | 2023-06-20 | 国家电投集团氢能科技发展有限公司 | Hydrogen production system and control method for hydrogen production system |
| CN114481161A (en) * | 2022-01-28 | 2022-05-13 | 上海羿沣氢能科技有限公司 | Water electrolysis hydrogen production system and oxygen production subsystem |
| CN115992358A (en) * | 2022-03-11 | 2023-04-21 | 天合光能股份有限公司 | Light-storage hydrogen production system and operation method thereof |
| CN114892180B (en) * | 2022-03-23 | 2023-08-04 | 北京理工大学 | Photovoltaic photo-thermal driven thermochemical and electrolytic coupling hydrogen production system and method |
| CN114752950A (en) * | 2022-05-16 | 2022-07-15 | 中国标准化研究院 | Wave type power input hydrogen production method and device by electrolyzing water |
| CN115636392B (en) * | 2022-12-06 | 2024-03-01 | 上海欧威仕电气有限公司 | Dish type solar high-temperature cracking hydrogen production reactor |
| CN117587423A (en) * | 2023-11-21 | 2024-02-23 | 中国科学院电工研究所 | Integrated solar energy-SOEC hydrogen production reactor based on liquid metal heat transfer |
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| US20100270170A1 (en) * | 2009-04-22 | 2010-10-28 | Hte Water Corporation | System and process for converting non-fresh water to fresh water |
| CN104694950B (en) * | 2015-03-20 | 2019-03-22 | 国家电网公司 | A kind of high-temperature electrolysis water hydrogen generating system of coupled solar photo-thermal |
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- 2015-11-09 WO PCT/CN2015/094099 patent/WO2016150168A1/en active Application Filing
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| CN104694950A (en) | 2015-06-10 |
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