CN220099216U - AEM electrolytic water hydrogen production integrated equipment - Google Patents
AEM electrolytic water hydrogen production integrated equipment Download PDFInfo
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- CN220099216U CN220099216U CN202321700331.7U CN202321700331U CN220099216U CN 220099216 U CN220099216 U CN 220099216U CN 202321700331 U CN202321700331 U CN 202321700331U CN 220099216 U CN220099216 U CN 220099216U
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- liquid separation
- side gas
- hydrogen production
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- 239000001257 hydrogen Substances 0.000 title claims abstract description 151
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 151
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 149
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 60
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 34
- 239000007788 liquid Substances 0.000 claims abstract description 59
- 238000000926 separation method Methods 0.000 claims abstract description 54
- 239000001301 oxygen Substances 0.000 claims abstract description 44
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 44
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 43
- 238000001514 detection method Methods 0.000 claims abstract description 29
- 238000005868 electrolysis reaction Methods 0.000 claims abstract description 29
- 238000000746 purification Methods 0.000 claims abstract description 26
- 238000006243 chemical reaction Methods 0.000 claims abstract description 20
- 238000004146 energy storage Methods 0.000 claims abstract description 12
- 230000005611 electricity Effects 0.000 claims description 14
- 238000003860 storage Methods 0.000 claims description 9
- 239000007789 gas Substances 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 5
- 230000003197 catalytic effect Effects 0.000 claims description 4
- 238000009792 diffusion process Methods 0.000 claims description 4
- 229910052723 transition metal Inorganic materials 0.000 claims description 4
- 150000003624 transition metals Chemical class 0.000 claims description 4
- 230000007175 bidirectional communication Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 230000004044 response Effects 0.000 abstract description 9
- 238000005265 energy consumption Methods 0.000 abstract description 6
- 239000003011 anion exchange membrane Substances 0.000 description 23
- 239000003792 electrolyte Substances 0.000 description 7
- 239000012528 membrane Substances 0.000 description 6
- 238000010248 power generation Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 230000005622 photoelectricity Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 239000012670 alkaline solution Substances 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 230000006854 communication Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- 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
Abstract
The utility model discloses AEM (advanced integrated manufacturing) water electrolysis and hydrogen production integrated equipment, which relates to the technical field of water electrolysis and hydrogen production integrated equipment and comprises a power supply conversion module, a power supply module, a hydrogen production module, an oxygen side gas-liquid separation module, a hydrogen side gas-liquid separation module, an oxygen purity detection module, a hydrogen purification module, a hydrogen purity detection module and an energy storage unit, wherein the power supply module is respectively electrically connected with the power supply conversion module and the hydrogen production module, the hydrogen production module is respectively communicated with the oxygen side gas-liquid separation module and the hydrogen side gas-liquid separation module through channels, the oxygen side gas-liquid separation module is communicated with the hydrogen side gas-liquid separation module through pipelines, and the hydrogen side gas-liquid separation module is communicated with the hydrogen purification module through the pipelines. The AEM water electrolysis hydrogen production integrated equipment has the advantages of small volume, low energy consumption, high response speed and low cost through the hydrogen production integrated equipment customized according to the AEM electrolytic tank.
Description
Technical Field
The utility model relates to the technical field of integrated equipment for producing hydrogen by electrolyzing water, in particular to integrated equipment for producing hydrogen by electrolyzing water by AEM.
Background
The hydrogen energy is becoming the focus of attention as the most ideal energy carrier, along with the popularization of hydrogen fuel cell automobiles, the hydrogen market demand is increased, a hydrogen station is built to drive into a fast traffic lane, the green hydrogen production by electrolysis water matched with photovoltaic power generation or wind power generation becomes the development trend in the future, and the traditional alkaline liquid electrolysis hydrogen-oxygen production electrolytic tank has large volume and high energy consumption (-5 kWh/Nm) 3 H 2 ) The method has the advantages that the efficiency is low (50% -70%), the response time is long (in the order of minutes-hours), the coordination control strategy of multiple devices is complex and the volume is large in a large scale state, the existing PEM electrolysis device has certain advantages compared with an alkali solution electrolysis tank, but is also subject to development of membrane electrode technology, the problems that the cost is high, a catalyst and a membrane cannot be replaced independently during maintenance and the like exist, and the solid oxide electrolysis tank is still in a research stage and is limited by the complex device with high working temperature (800-1000 ℃) and the like, so that the novel integrated electrolysis device with low cost, low energy consumption, modularization and high response speed is required to be researched, and the problems are overcome, and the preparation of the green hydrogen of the electrolyzed water combined with wind-solar power generation is realized.
At present, the large-scale commercial alkaline water electrolysis hydrogen production equipment has large volume, low response speed (for example, wind-solar power generation cannot be directly utilized), and great influence on environment (for example, the concentration of electrolyte is too high, such as KOH with the concentration of 30wt percent), while the novel PEM water electrolysis hydrogen production equipment is limited by the development of membrane electrode technology, noble metal, titanium and other materials are adopted, the manufacturing cost is high, meanwhile, a catalyst and an exchange membrane cannot be directly replaced, the later maintenance is inconvenient, the cost of the water electrolysis hydrogen production equipment based on an Anion-exchange membrane AEM (Anion-exchange membrane) is low, the efficiency is high, the response speed is high, the volume is small, and no matched related supporting facilities exist at present.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides AEM water electrolysis hydrogen production integrated equipment, and solves the problems of high manufacturing cost and low response speed of the existing PEM water electrolysis hydrogen production equipment.
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the AEM electrolyzed water hydrogen production integrated equipment comprises a power supply conversion module, a power supply module, a hydrogen production module, an oxygen side gas-liquid separation module, a hydrogen side gas-liquid separation module, an oxygen purity detection module, a hydrogen purification module, a hydrogen purity detection module and an energy storage unit, wherein the power supply module is respectively connected with the power supply conversion module and the hydrogen production module through electricity, the hydrogen production module is respectively communicated with the oxygen side gas-liquid separation module and the hydrogen side gas-liquid separation module through channels, the oxygen side gas-liquid separation module is communicated with the hydrogen side gas-liquid separation module through channels, the hydrogen side gas-liquid separation module is communicated with the hydrogen purification module through channels, the hydrogen purification module is in bidirectional communication with the hydrogen purity detection module, and the hydrogen purity detection module is communicated with the energy storage unit through the channels.
Preferably, the power conversion module is externally connected with any one of network electricity, wind power electricity and photovoltaic electricity, and the power conversion module comprises an AC-DC conversion module. The power conversion module can directly access electricity, wind power, photoelectricity and the like, does not need a power storage unit in the middle, can directly convert relevant electric power into direct current, and drives equipment to produce hydrogen.
Preferably, the hydrogen production module comprises an AEM water electrolysis hydrogen production electrolytic tank, and the AEM water electrolysis hydrogen production electrolytic tank is formed by sealing and assembling AEM, two transition metal catalytic electrodes, a bipolar plate, a gas diffusion layer and a gasket. The method has the characteristics of high response speed, low energy consumption, small volume and more environmental protection.
Preferably, the oxygen side gas-liquid separation module and the hydrogen side gas-liquid separation module both comprise cooling systems, communicating pipes are fixedly arranged at the bottoms of the oxygen side gas-liquid separation module and the hydrogen side gas-liquid separation module, the output ends of the communicating pipes are connected with filters, and the filters are communicated with the hydrogen production module through circulating pumps. Electrolyte with oxygen and hydrogen from the hydrogen production module flows into the oxygen side gas-liquid separation module and the hydrogen side gas-liquid separation module respectively, gas and liquid are separated under the action of gravity, after being cooled by the cooling system, the electrolyte enters the filter from the communicating pipe at the bottom of the oxygen side gas-liquid separation module and the hydrogen side gas-liquid separation module, finally flows back into the hydrogen production module through the circulating pump, and oxygen and hydrogen respectively enter the oxygen purity detection module and the hydrogen purification module.
Preferably, the exhaust end of the oxygen purity detection module is provided with an emptying port, the emptying port is detachably connected with an oxygen storage device through a pipeline, and oxygen coming out of the oxygen side gas-liquid separation module can enter the oxygen storage device or be directly emptied through the emptying port according to requirements after being detected to be qualified.
Preferably, the hydrogen purity detection module comprises an electromagnetic valve, the hydrogen purification module and the hydrogen purity detection module are in reflux communication through the electromagnetic valve, hydrogen coming out of the hydrogen side gas-liquid separation module enters the hydrogen purification module and then enters the hydrogen purity detection module, the hydrogen is detected to be qualified and then is output to the energy storage unit for storage, if the hydrogen is detected to be unqualified, the hydrogen is automatically refluxed to the hydrogen purification module through the built-in electromagnetic valve for secondary purification, the purity and the safety of the output hydrogen are guaranteed, and the reliability of equipment is improved.
Advantageous effects
The utility model provides AEM water electrolysis hydrogen production integrated equipment. Compared with the prior art, the method has the following beneficial effects:
1. the AEM water electrolysis hydrogen production integrated equipment has the advantages of small volume, low energy consumption, high response speed and low cost through the hydrogen production integrated equipment customized according to the AEM electrolytic tank.
2. According to the AEM integrated equipment for producing hydrogen by electrolyzing water, unstable wind power and photoelectricity can be directly stored as hydrogen energy by directly accessing to a wind-light power generation system without an intermediate energy storage module.
3. Compared with the traditional alkali liquid hydrogen production system, the AEM hydrogen production system provided by the utility model adopts weak alkaline solution (less than or equal to 10wt%) as electrolyte, and is more environment-friendly.
4. According to the AEM integrated equipment for producing hydrogen by electrolyzing water, the hydrogen purification module and the hydrogen purity detection module are arranged, so that secondary purification can be automatically carried out on unqualified hydrogen, and the safety and reliability of the equipment are ensured.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
In the figure: 1. a power conversion module; 2. a power module; 3. a hydrogen production module; 4. an oxygen-side gas-liquid separation module; 5. a hydrogen-side gas-liquid separation module; 6. an oxygen purity detection module; 7. a hydrogen purification module; 8. a hydrogen purity detection module; 9. and an energy storage unit.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1, the present utility model provides a technical solution: the AEM electrolyzed water hydrogen production integrated equipment comprises a power supply conversion module 1, a power supply module 2, a hydrogen production module 3, an oxygen side gas-liquid separation module 4, a hydrogen side gas-liquid separation module 5, an oxygen purity detection module 6, a hydrogen purification module 7, a hydrogen purity detection module 8 and an energy storage unit 9, wherein the power supply module 2 is respectively connected with the power supply conversion module 1 and the hydrogen production module 3 through electricity, the hydrogen production module 3 is respectively communicated with the oxygen side gas-liquid separation module 4 and the hydrogen side gas-liquid separation module 5 through channels, the oxygen side gas-liquid separation module 4 is communicated with the hydrogen side gas-liquid separation module 5 through channels, the hydrogen side gas-liquid separation module 5 is communicated with the hydrogen purification module 7 through the channels, the hydrogen purification module 7 is in bidirectional communication with the hydrogen purity detection module 8, and the hydrogen purity detection module 8 is communicated with the energy storage unit 9 through the channels.
The power supply conversion module 1 external connection has arbitrary one of net electricity, wind-force electricity and photovoltaic electricity, power module 2 includes AC-DC conversion module, hydrogen manufacturing module 3 includes AEM electrolysis water hydrogen manufacturing electrolysis tank, and AEM electrolysis water hydrogen manufacturing electrolysis tank is by AEM, two transition metal catalytic electrode, bipolar plate, gas diffusion layer, gasket sealed assembly formation, oxygen side gas-liquid separation module 4 and hydrogen side gas-liquid separation module 5 all are including cooling system, all fixed communicating pipe that is equipped with in the bottom of oxygen side gas-liquid separation module 4 and hydrogen side gas-liquid separation module 5, and the output of communicating pipe is connected with the filter, communicate through the circulating pump between filter and the hydrogen manufacturing module 3, the discharge end of oxygen purity detection module 6 is equipped with the relief vent, the relief vent is connected with the oxygen storage device through the pipeline can be dismantled, hydrogen purity detection module 8 includes the solenoid valve, through the solenoid valve backward flow intercommunication between hydrogen purification module 7 and the hydrogen purity detection module 8.
When in work, the power supply conversion module 1 can be directly connected with an electric, wind power, photoelectricity and the like, a power storage unit is not needed in the middle, related electric power can be directly utilized to convert into direct current, the driving equipment is used for producing hydrogen, the power supply module 2 is connected with the AC-DC conversion module, the power supply module is converted into direct current under the condition that the power supply is connected with alternating current, the direct current is supplied to the electrolytic tank to operate, the AEM electrolytic water hydrogen production electrolytic tank is similar to a PEM electrolytic tank in structure and is mainly formed by sealing and assembling AEM, two transition metal catalytic electrodes, bipolar plates, gas diffusion layers, gaskets and other components, the volume of the AEM electrolytic water hydrogen production electrolytic tank is one time smaller than that of a traditional alkaline liquid electrolytic tank under the condition that the hydrogen yield is the same, meanwhile, the membrane electrode in the electrolytic tank is mainly made of materials based on Ni, fe, mn, zn, al, mg, co, low-cost transition group metal elements and the like, and meanwhile, main mechanical parts can be made of stainless steel, carbon steel or other low-cost alloy materials, the electrolyte adopts low-concentration alkaline solution (less than or equal to 10wt%), has low corrosiveness, is more environment-friendly, has lower cost than a PEM (proton exchange membrane) electrolytic tank, can be directly in butt joint with a wind-solar power generation system, does not need an intermediate energy storage conversion process, has the characteristics of lower electricity consumption cost, high response speed, low energy consumption and small volume, is more environment-friendly, the electrolyte which is carried with oxygen and hydrogen and comes out from the hydrogen production module 3 respectively flows into the oxygen-side gas-liquid separation module 4 and the hydrogen-side gas-liquid separation module 5, gas and liquid are separated under the action of gravity, after being cooled by a cooling system, the electrolyte enters a filter from communicating pipes at the bottoms of the oxygen-side gas-liquid separation module 4 and the hydrogen-side gas-liquid separation module 5, finally flows back into the hydrogen production module 3 through a circulating pump, and the oxygen and the hydrogen respectively enter the oxygen purity detection module 6 and the hydrogen purification module 7, the oxygen from the oxygen side gas-liquid separation module 4 can enter an oxygen storage device or be directly emptied through an emptying port according to requirements after being detected to be qualified, the hydrogen from the hydrogen side gas-liquid separation module 5 enters the hydrogen purification module 7 and then is washed and purified, then enters the hydrogen purity detection module 8, is output to the energy storage unit 9 for storage after being detected to be qualified, and if the purity of the hydrogen is detected to be unqualified, the hydrogen automatically flows back to the hydrogen purification module 7 through the built-in electromagnetic valve for secondary purification, so that the purity and the safety of the output hydrogen are ensured, and the reliability of equipment is improved.
And all that is not described in detail in this specification is well known to those skilled in the art.
Claims (6)
1. The AEM electrolyzed water hydrogen production integrated equipment is characterized by comprising a power conversion module (1), a power module (2), a hydrogen production module (3), an oxygen side gas-liquid separation module (4), a hydrogen side gas-liquid separation module (5), an oxygen purity detection module (6), a hydrogen purification module (7), a hydrogen purity detection module (8) and an energy storage unit (9), wherein the power module (2) is respectively connected with the power conversion module (1) and the hydrogen production module (3) through electricity, the hydrogen production module (3) is respectively communicated with the oxygen side gas-liquid separation module (4) and the hydrogen side gas-liquid separation module (5) through channels, the oxygen side gas-liquid separation module (4) is communicated with the hydrogen side gas-liquid separation module (5) through channels, the hydrogen side gas-liquid separation module (5) is communicated with the hydrogen purification module (7) through the channels, the hydrogen purification module (7) is arranged in a bidirectional communication manner with the hydrogen purity detection module (8), and the hydrogen purification module (8) is communicated with the energy storage unit (9) through the channels.
2. The AEM water electrolysis hydrogen production integrated device according to claim 1, wherein: the power supply conversion module (1) is externally connected with any one of network electricity, wind power electricity and photovoltaic electricity, and the power supply module (2) comprises an AC-DC conversion module.
3. The AEM water electrolysis hydrogen production integrated device according to claim 1, wherein: the hydrogen production module (3) comprises an AEM water electrolysis hydrogen production electrolytic tank, and the AEM water electrolysis hydrogen production electrolytic tank is formed by sealing and assembling AEM, two transition metal catalytic electrodes, a bipolar plate, a gas diffusion layer and a gasket.
4. The AEM water electrolysis hydrogen production integrated device according to claim 1, wherein: the oxygen side gas-liquid separation module (4) and the hydrogen side gas-liquid separation module (5) comprise cooling systems, communicating pipes are fixedly arranged at the bottoms of the oxygen side gas-liquid separation module (4) and the hydrogen side gas-liquid separation module (5), and the output ends of the communicating pipes are connected with filters which are communicated with the hydrogen production module (3) through circulating pumps.
5. The AEM water electrolysis hydrogen production integrated device according to claim 1, wherein: the exhaust end of the oxygen purity detection module (6) is provided with an exhaust port, and the exhaust port is detachably connected with an oxygen storage device through a pipeline.
6. The AEM water electrolysis hydrogen production integrated device according to claim 1, wherein: the hydrogen purity detection module (8) comprises an electromagnetic valve, and the hydrogen purification module (7) is communicated with the hydrogen purity detection module (8) in a backflow way through the electromagnetic valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321700331.7U CN220099216U (en) | 2023-06-30 | 2023-06-30 | AEM electrolytic water hydrogen production integrated equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202321700331.7U CN220099216U (en) | 2023-06-30 | 2023-06-30 | AEM electrolytic water hydrogen production integrated equipment |
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| CN220099216U true CN220099216U (en) | 2023-11-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110387556A (en) * | 2018-04-16 | 2019-10-29 | 松下知识产权经营株式会社 | The operation method of electric chemical formula hydrogen pump and electric chemical formula hydrogen pump |
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2023
- 2023-06-30 CN CN202321700331.7U patent/CN220099216U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110387556A (en) * | 2018-04-16 | 2019-10-29 | 松下知识产权经营株式会社 | The operation method of electric chemical formula hydrogen pump and electric chemical formula hydrogen pump |
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