CN110205637A - A kind of amino solar heat chemical solids oxide electrolysis water hydrogen generating system - Google Patents
A kind of amino solar heat chemical solids oxide electrolysis water hydrogen generating system Download PDFInfo
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- CN110205637A CN110205637A CN201910595158.0A CN201910595158A CN110205637A CN 110205637 A CN110205637 A CN 110205637A CN 201910595158 A CN201910595158 A CN 201910595158A CN 110205637 A CN110205637 A CN 110205637A
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- Prior art keywords
- ammonia
- synthesis
- reactors
- amino
- decomposition reaction
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- 239000007787 solid Substances 0.000 title claims abstract description 33
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 239000001257 hydrogen Substances 0.000 title claims abstract description 30
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 26
- 238000005868 electrolysis reaction Methods 0.000 title claims abstract description 22
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 title claims abstract description 16
- 239000000126 substance Substances 0.000 title claims abstract description 16
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 113
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 56
- 238000003786 synthesis reaction Methods 0.000 claims abstract description 27
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 22
- 238000000354 decomposition reaction Methods 0.000 claims abstract description 21
- 230000010412 perfusion Effects 0.000 claims abstract description 15
- 239000001301 oxygen Substances 0.000 claims description 5
- 229910052760 oxygen Inorganic materials 0.000 claims description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
- 238000005915 ammonolysis reaction Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 claims 1
- 239000003792 electrolyte Substances 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 229910001119 inconels 625 Inorganic materials 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
Classifications
-
- 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
- C25B15/00—Operating or servicing cells
- C25B15/08—Supplying or removing reactants or electrolytes; Regeneration of electrolytes
-
- 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
- C25B9/17—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof
-
- 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
Landscapes
- 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 invention discloses a kind of amino solar heat chemical solids oxide electrolysis water hydrogen generating systems, including heliostat field, ammonia decomposition reaction device, Pressure of Ambient Temperature holding vessel, reactors for synthesis of ammonia, electrolytic tank of solid oxide, first perfusion tube is connected with ammonia decomposition reaction device bottom inlet, and first appendix is connected with ammonia decomposition reaction device top exit；Second perfusion tube is connected with reactors for synthesis of ammonia outlet at bottom, second appendix is connected with reactors for synthesis of ammonia top entry, aqueduct is connected on the electrolytic tank of solid oxide, the aqueduct is arranged in reactors for synthesis of ammonia, and the heliostat field can heat ammonia decomposition reaction device.The beneficial effects of the present invention are: the system using ammonia synthesis reaction thermal energy metric density is big, energy loss is few and storage temperature is low, solves the problems such as electrolytic efficiency existing for traditional electrolyte pond is low, electrolysis is at high cost, operation temperature is high.
Description
Technical field
The present invention relates to electrolysis water technical fields, and in particular to a kind of amino solar heat chemical solids oxide electrolysis water
Hydrogen generating 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.And find alternative oil, gas
New energy carrier, have become the important goal of countries nowadays energy development.Hydrogen is a kind of pollution-free and reproducible energy
Carrier, and having the characteristics that can to store up can be defeated, has caused to pay attention to extensively.Research uses hydrogen to have become state as energy carrier at present
Research hotspot on border, hydrogen economy have become a popular topic.Hydrogen Energy is mainly obtained by electrolysis water at present,
Then the problems such as electrolysis water exists in the prior art, and energy consumption is high, low in economic efficiency, electrolytic efficiency is low.
Summary of the invention
In order to solve the problems in the existing technology, the present invention provides design a kind of reasonable amino solar energy thermalization
Learn solid oxide electrolyte water hydrogen generating system.
Technical scheme is as follows:
A kind of amino solar heat chemical solids oxide electrolysis water hydrogen generating system, which is characterized in that including heliostat field, ammonia point
Reactor, Pressure of Ambient Temperature holding vessel, reactors for synthesis of ammonia, electrolytic tank of solid oxide are solved, is set on the Pressure of Ambient Temperature holding vessel
There are the first perfusion tube, the second perfusion tube, the first appendix, the second appendix, first perfusion tube and ammonia decomposition reaction device bottom
Portion's entrance is connected, and first appendix is connected with ammonia decomposition reaction device top exit；Second perfusion tube and synthesis ammonia are anti-
Device outlet at bottom is answered to be connected, second appendix is connected with reactors for synthesis of ammonia top entry, the solid oxide electrolyte
Aqueduct is connected on pond, the aqueduct is arranged in reactors for synthesis of ammonia, and the heliostat field can be to ammonia decomposition reaction
Device is heated.
A kind of amino solar heat chemical solids oxide electrolysis water hydrogen generating system, which is characterized in that described normal
Pipeline between warm pressure storage and ammonia decomposition reaction device is equipped with heat exchanger.
A kind of amino solar heat chemical solids oxide electrolysis water hydrogen generating system, which is characterized in that described normal
Pipeline between warm pressure storage and reactors for synthesis of ammonia is equipped with heat exchanger.
A kind of amino solar heat chemical solids oxide electrolysis water hydrogen generating system, which is characterized in that described solid
Oxide body electrolytic cell include dense dielectric layer and be arranged in the porous hydrogen electrode of dense dielectric layer two sides, porous oxygen electricity
Pole.
The beneficial effects of the present invention are: the system is big using ammonia synthesis reaction thermal energy metric density, energy loss is few and stores
Temperature is low, solves the problems such as electrolytic efficiency existing for traditional electrolyte pond is low, electrolysis is at high cost, operation temperature is high, solves simultaneously
The confinement problems of solar energy, deposited by ammonia decomposition reaction can, energy released by ammonia synthesis reaction.The system is because it is without pair
Reaction, can store at normal temperature, and operability is high.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is electrolytic tank of solid oxide structural schematic diagram of the invention.
In figure: 1- heliostat field, 2- collection thermal tower, 3- ammonia decomposition reaction device, the first perfusion tube of 4-, the first appendix of 5-, 6-
Pressure of Ambient Temperature holding vessel, 7- heat exchanger, the second perfusion tube of 8-, the second appendix of 9-, 10- reactors for synthesis of ammonia, 11- solid oxidation
Object electrolytic cell, 12- aqueduct.
Specific embodiment
Below in conjunction with Figure of description, the invention will be further described.
As shown in Figs. 1-2, amino solar heat chemical solids oxide electrolysis water hydrogen generating system, heliostat field 1 is with certain
Angle placement, is reflected into the ammonia decomposition reaction device 3(endothermic reaction for sunlight)；Ammonia decomposition reaction device 3 is can-like structure, both ends
It is spherical arc, the bottom end of ammonia decomposition reaction device 3 is connected by 5 two conduits of the first appendix 4 and the first perfusion tube and heat exchanger 7
Connect (effect of heat exchanger herein be absorb H2、N2Heat, preheat liquefied ammonia), ammonia decomposition reaction device 3 and heat exchanger 7 collection thermal tower 2
Steel structure support, heat exchanger 7 connected by 5 two conduits of the first appendix 4 and the first perfusion tube and Pressure of Ambient Temperature holding vessel 6
It connects, Pressure of Ambient Temperature holding vessel 6 is can-like structure, and two end faces are spherical arcs；Pressure of Ambient Temperature holding vessel 6 passes through the second appendix
9 and 8 two conduits of the second perfusion tube connect with heat exchanger 7 (effect of heat exchanger herein be absorb liquefied ammonia heat, pre- thermal response
Gas H2And N2), heat exchanger 7 and reactors for synthesis of ammonia 10(exothermic reaction) upper and lower ends connect, reactors for synthesis of ammonia 10 is last
It is connect by conduit with electrolytic tank of solid oxide 11；Ammonia decomposition reaction device 3, heat exchanger 7, Pressure of Ambient Temperature holding vessel 6, heat exchanger
7 and reactors for synthesis of ammonia 10 constitute a closed cycle, pass through ammonia decomposition reactionCarry out heat chemistry energy storage；It is synthesizing
Synthesis ammonia is carried out in ammonia (exothermic reactor) 10It is anti-to carry out ammonia circulation
It answers, the water in hydraulic pipeline 12 is heated to steam condition by the heat of release, and water is carried out in electrolytic tank of solid oxide 11
The hydrogen produced finally is collected storage by steam electrolytic hydrogen production.
Amino solar heat chemical solids oxide electrolysis water hydrogen generating system of the invention mainly passes through ammonia decomposition reaction device
Ammonia circulation, reactors for synthesis of ammonia 10 and solid are carried out by ammonia synthesis reaction between 3 and 10 two reactors of reactors for synthesis of ammonia
Using water as connection between oxidate electrolytic cell 11.The material of two reactors and all connecting conduits is Inconel 625,
Inside reactor is uniformly filled with iron-based synthetic ammonia catalyst particle, and normal temperature storage tank is stainless steel material.
The course of work:
The structure of amino solar heat chemical solids oxide electrolysis water hydrogen generating system is as shown in Figure 1.Liquid ammonia is from holding vessel
Outflow absorbs solar energy into ammonia decomposition reaction device, while carrying out the ammonolysis craft endothermic reaction by heat exchanger.Nitrogen and hydrogen generated is reacted to be back to by heat exchanger
In holding vessel, and gas-liquid two-phase spontaneously is carried out with liquid ammonia at normal temperature and is separated.When being electrolysed demand if it exists, nitrogen and hydrogen
It is flowed out from holding vessel, by heat exchanger, carries out ammonia synthesis reaction into reactors for synthesis of ammonia, while the water in hydraulic pipeline is heated, it is used for water electrolysis hydrogen production.It should
Water electrolysis hydrogen production system not only solves that electrolytic efficiency existing for traditional electrolyte water system is low, at high cost, operation temperature is low etc. and asks
Topic, and have many advantages, such as no side reaction, it can store at normal temperature.
Electrolytic tank of solid oxide (solid oxide electrolyzer cells, SOEC) is a kind of efficient, low dirt
The energy conversion device of dye can convert chemical energy for electric energy and thermal energy.
The basic composition of electrolytic tank of solid oxide 11 is as shown in Figure 2: centre is fine and close electrolyte layer 1102, and both sides are
Porous hydrogen electrode 1101 and oxygen electrode 1103.The main function of electrolyte is to separate oxygen and fuel gas, and conduct oxygen
Ion or proton.Higher temperature (600-1000 DEG C) applies certain direct current in 11 liang of lateral electrodes of electrolytic tank of solid oxide
Voltage, H2O is decomposed in cathode and generates O2-, O2-Anode is reached across fine and close soild oxide dielectric layer, is lost there
Electronics obtains pure O2。
Content described in this specification embodiment is only enumerating to the way of realization of inventive concept, protection of the invention
Range should not be construed as being limited to the specific forms stated in the embodiments, and protection scope of the present invention is also and in art technology
Personnel conceive according to the present invention it is conceivable that equivalent technologies mean.
Claims (4)
1. a kind of amino solar heat chemical solids oxide electrolysis water hydrogen generating system, which is characterized in that including heliostat field
(1), ammonia decomposition reaction device (3), Pressure of Ambient Temperature holding vessel (6), reactors for synthesis of ammonia (10), electrolytic tank of solid oxide (11),
The Pressure of Ambient Temperature holding vessel (6) is equipped with the first perfusion tube (4), the second perfusion tube (8), the first appendix (5), the second gas transmission
It manages (9), first perfusion tube (4) is connected with ammonia decomposition reaction device (3) bottom inlet, first appendix (5) and ammonia point
Reactor (3) top exit is solved to be connected；Second perfusion tube (8) is connected with reactors for synthesis of ammonia (10) outlet at bottom, described
Second appendix (9) is connected with reactors for synthesis of ammonia (10) top entry, is connected on the electrolytic tank of solid oxide (11) defeated
Waterpipe (12), the aqueduct (12) are arranged in reactors for synthesis of ammonia (10), and the heliostat field (1) can be to ammonolysis craft
Reactor (3) is heated.
2. a kind of amino solar heat chemical solids oxide electrolysis water hydrogen generating system according to claim 1, feature
It is, the pipeline between the Pressure of Ambient Temperature holding vessel (6) and ammonia decomposition reaction device (3) is equipped with heat exchanger (7).
3. a kind of amino solar heat chemical solids oxide electrolysis water hydrogen generating system according to claim 1, feature
It is, the pipeline between the Pressure of Ambient Temperature holding vessel (6) and reactors for synthesis of ammonia (10) is equipped with heat exchanger (7).
4. a kind of amino solar heat chemical solids oxide electrolysis water hydrogen generating system according to claim 1, feature
It is, the electrolytic tank of solid oxide (11) includes dense dielectric layer (1102) and is arranged in dense dielectric layer (1102)
Porous hydrogen electrode (1101), the porous oxygen electrode (1103) of two sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910595158.0A CN110205637A (en) | 2019-07-03 | 2019-07-03 | A kind of amino solar heat chemical solids oxide electrolysis water hydrogen generating system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910595158.0A CN110205637A (en) | 2019-07-03 | 2019-07-03 | A kind of amino solar heat chemical solids oxide electrolysis water hydrogen generating system |
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| Publication Number | Publication Date |
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| CN110205637A true CN110205637A (en) | 2019-09-06 |
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| CN201910595158.0A Pending CN110205637A (en) | 2019-07-03 | 2019-07-03 | A kind of amino solar heat chemical solids oxide electrolysis water hydrogen generating system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113005475A (en) * | 2021-03-12 | 2021-06-22 | 浙江工业大学 | System and process for solar high-temperature water electrolysis coupling hydrogen production based on amino thermochemical energy storage |
| CN113322475A (en) * | 2021-05-24 | 2021-08-31 | 浙江工业大学 | High-temperature solid oxide water electrolysis hydrogen production system and process coupling solar energy amino-thermal chemical energy storage and kalina circulation |
| CN113463113A (en) * | 2021-07-23 | 2021-10-01 | 浙江工业大学 | Photovoltaic and chemical heat pump coupled solar high-temperature water electrolysis hydrogen production system and process |
| EP4112539A1 (en) * | 2021-06-30 | 2023-01-04 | Linde GmbH | Method and device for producing hydrogen from ammonia |
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