CN218880084U - Alkaline water electrolysis hydrogen production thermoelectric coupling system - Google Patents
Alkaline water electrolysis hydrogen production thermoelectric coupling system Download PDFInfo
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- CN218880084U CN218880084U CN202320128351.5U CN202320128351U CN218880084U CN 218880084 U CN218880084 U CN 218880084U CN 202320128351 U CN202320128351 U CN 202320128351U CN 218880084 U CN218880084 U CN 218880084U
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- gas
- liquid
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- alkali liquor
- thermoelectric coupling
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- 230000008878 coupling Effects 0.000 title claims abstract description 31
- 238000010168 coupling process Methods 0.000 title claims abstract description 31
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 31
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims description 22
- 239000001257 hydrogen Substances 0.000 title claims description 22
- 229910052739 hydrogen Inorganic materials 0.000 title claims description 22
- 238000005868 electrolysis reaction Methods 0.000 title claims description 16
- 238000004519 manufacturing process Methods 0.000 title claims description 12
- 239000003513 alkali Substances 0.000 claims abstract description 64
- 239000007788 liquid Substances 0.000 claims abstract description 61
- 238000000926 separation method Methods 0.000 claims abstract description 27
- 239000013589 supplement Substances 0.000 claims abstract description 10
- 238000001035 drying Methods 0.000 claims abstract description 6
- 238000000746 purification Methods 0.000 claims abstract description 6
- 238000010438 heat treatment Methods 0.000 claims description 35
- 230000001502 supplementing effect Effects 0.000 claims description 8
- 239000007789 gas Substances 0.000 claims description 7
- 238000002955 isolation Methods 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 abstract description 8
- 150000002500 ions Chemical class 0.000 abstract description 3
- 230000035484 reaction time Effects 0.000 abstract description 2
- 230000005684 electric field Effects 0.000 description 3
- 239000008151 electrolyte solution Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000005619 thermoelectricity Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
Landscapes
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Abstract
An alkaline liquid outlet end of an alkaline liquid configuration module is respectively communicated with a liquid inlet of a heat exchanger and a liquid inlet of a gas-liquid separation device; the liquid outlet of the heat exchanger is communicated with the inlet of the alkali supplement pump, and the liquid outlet of the alkali supplement pump is communicated with the liquid inlet of the thermocouple device; the liquid outlet of the thermoelectric coupling device is communicated with the liquid inlet of the electrolytic bath, and the electrolytic bath electrolyzes the alkali liquor heated by the thermoelectric coupling device; the liquid outlet of the electrolytic bath is communicated with the liquid inlet of the gas-liquid separation device, and gas discharged by the gas-liquid separation device is treated by a purification and drying system through a gas outlet; the water replenishing pump is communicated with a water replenishing port of the gas-liquid separation device; the thermal field control module collects the temperature values of the alkali liquor from the heat exchanger module, the gas-liquid separation module and the electrolytic tank module in real time. The thermoelectric coupling device is arranged at the front end of the electrolytic cell, so that high-energy conductive ions can rapidly enter the electrolytic cell to carry out electrolytic reaction, and the electrolytic reaction time is shortened.
Description
Technical Field
The utility model relates to an electrolysis water hydrogen manufacturing field, concretely relates to basicity electrolysis water hydrogen manufacturing thermoelectric coupling system.
Background
In order to improve the efficiency of hydrogen production by water electrolysis, alkali liquor needs to be heated in the process of hydrogen production by water electrolysis.
In the existing water electrolysis hydrogen production system, a resistance wire in a heating device is additionally arranged in a heat exchanger module, so that the structural design of the heat exchanger module is obstructed, and the temperature regulation function of the heat exchanger module as a cooling device of an alkali liquor circulating system is influenced. The hydrogen production system by alkaline electrolysis cannot be well adapted to the renewable energy with high volatility, so that the time for establishing the electric field and the thermal field of the hydrogen production system by electrolysis is long, and the fluctuation speed of the response renewable energy is slow.
Meanwhile, the heating mode of the heating device of the existing patent for producing hydrogen by electrolyzing water is that a resistance wire is directly extended into alkali liquor to contact with the alkali liquor to heat the alkali liquor. The resistance wire is directly positioned in the alkali liquor, so that the resistance wire is immersed in the alkali liquor in the heating of the alkali liquor, and the movement of conductive ions is influenced.
Therefore, in order to solve the above problems, there is a need for a thermoelectric coupling system for producing hydrogen by alkaline electrolysis of water, which can rapidly produce hydrogen.
SUMMERY OF THE UTILITY MODEL
The utility model aims to accelerate the speed of establishing an electric field in the alkali liquor, increase the heat conduction path between water molecules and improve the heat conduction efficiency of the electrolytic solution.
Therefore, the utility model provides a hydrogen manufacturing thermoelectric coupling system of alkaline electrolysis water.
The specific technical scheme of the thermoelectric coupling system for producing hydrogen by alkaline electrolysis of water is as follows:
the thermoelectric coupling system for producing hydrogen by alkaline electrolysis of water is characterized in that: comprises an alkali liquor configuration module, a thermoelectric coupling device, an electrolytic bath, a gas-liquid separation system and a thermal field control module;
the alkali liquor outlet end of the alkali liquor configuration module is respectively communicated with the liquid inlets of the heat exchanger and the gas-liquid separation device;
the liquid outlet of the heat exchanger is communicated with the inlet of the alkali supplement pump, and the liquid outlet of the alkali supplement pump is communicated with the liquid inlet of the thermocouple device;
the liquid outlet of the thermoelectric coupling device is communicated with the liquid inlet of an electrolytic bath, and the electrolytic bath electrolyzes the alkali liquor heated by the thermoelectric coupling device;
the liquid outlet of the electrolytic bath is communicated with the liquid inlet of the gas-liquid separation device, and gas discharged by the gas-liquid separation device is treated by a purification and drying system through a gas outlet;
the water replenishing pump is communicated with a water replenishing port of the gas-liquid separation device;
the thermal field control module collects alkali liquor temperature values from the heat exchanger module, the gas-liquid separation module and the electrolytic bath module in real time;
the thermal field control module is used for controlling the rotating speed of the alkali supplementing pump and the water supplementing pump, the opening and closing amount of the heat exchanger and the heating power of the thermoelectric coupling device.
For better realization the utility model discloses, can further: the thermocouple device comprises a shell, the shell is provided with a heating chamber, a heating pipe is arranged in the shell, an alkali liquor pipe is spirally wound on the periphery of the heating pipe, two ends of the alkali liquor pipe respectively extend out of the shell, and the heating pipe heats the spiral pipe.
By adopting the mode, the alkali liquor pipeline is spiral, has longer distance compared with a linear pipeline, and increases the heating time of the alkali liquor in the pipeline. The resistance wire and alkali liquor non-contact type winding heating mode makes the resistance wire can not influence the components and particles of the alkali liquor to participate in the electrolytic reaction, and simultaneously, the corrosion of the alkali liquor to the resistance wire is also avoided. In addition, the resistance wire is wrapped by the heating cavity, so that heat conduction outside the heating cavity is reduced.
Further: an isolation layer is arranged on the inner wall of the heating chamber. Through being provided with the isolation layer, heat loss is few in the heating chamber.
The utility model has the advantages that: first, the thermocouple device reduces the dielectric viscous force of particles in the electrolytic solution, and mitigates the influence of the activation overvoltage on the electrolytic reaction. Meanwhile, the electric field establishment speed is increased, the heat conduction paths among water molecules are increased, and the heat conduction efficiency of the electrolytic solution is improved.
Secondly, the thermal coupling device adopts non-contact heating, and the thermal coupling device and the alkali liquor are independent and do not influence each other. And the thermocouple device is arranged at the front end of the electrolytic bath, so that high-energy conductive ions can rapidly enter the electrolytic bath for electrolytic reaction, and the electrolytic reaction time is shortened. Meanwhile, the thermoelectric coupling system is constructed, and the system can be maintained at the temperature suitable for the electrolytic reaction with minimum power by controlling partial modules in the electrolytic system.
Drawings
FIG. 1 is an overall structure diagram of the present invention;
FIG. 2 is a block diagram of a thermocouple device;
the figure in the figure illustrates that an alkali liquor configuration module 1, a heat exchanger 2, a thermoelectric coupling device 3, an alkali supplementing pump 4, an electrolytic tank 5, a gas-liquid separation device 6, a thermal field control module 7, a shell 8, a heating chamber 9, a heating pipe 10, a pipeline 11, a flange plate 12, a purification drying system 13 and a water supplementing pump 14.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1:
a thermoelectricity coupling system for producing hydrogen by alkaline electrolyzed water comprises an alkaline solution configuration module 1, a thermoelectricity coupling device 3, an electrolytic bath 5, a gas-liquid separation system and a thermal field control module 7;
the alkali liquor outlet end of the alkali liquor configuration module 1 is respectively communicated with the liquid inlet of the heat exchanger 2 and the liquid-gas separation device 6;
the liquid outlet of the heat exchanger 2 is communicated with the inlet of an alkali supplement pump 4, and the liquid outlet of the alkali supplement pump 4 is communicated with the liquid inlet of the thermocouple device 3;
the liquid outlet of the thermoelectric coupling device 3 is communicated with the liquid inlet of the electrolytic cell 5, and the electrolytic cell 5 electrolyzes the alkali liquor heated by the thermoelectric coupling device 3;
the liquid outlet of the electrolytic cell 5 is communicated with the liquid inlet of the gas-liquid separation device 6, and the gas discharged from the gas-liquid separation device 6 is treated by a purification and drying system 13 through a gas outlet;
the water replenishing pump 14 is communicated with a water replenishing port of the gas-liquid separation device 6;
the working process of the utility model is that the thermal field control module 7 collects the alkali liquor temperature values from the heat exchanger 2, the gas-liquid separation device 6 and the electrolytic bath 5 in real time.
Pure water and KOH solid enter an alkali liquor configuration module 1 and then are stirred to generate alkali liquor required by reaction, the alkali liquor flows into a gas-liquid separation device 6 through a pipeline 11, and then is pumped by an alkali supplement pump 4 to enter a thermoelectric coupling device 3 and an electrolytic cell 5 through a heat exchanger 2. The alkali liquor entering the electrolytic bath 5 participates in the electrolytic reaction to generate hydrogen.
The hydrogen and hot alkali liquor steam enter a gas-liquid separation device 6 together, the separated hydrogen enters a purification and drying system 13, and the alkali liquor enters an electrolytic bath 5 again through an alkali supplement pump 4.
The thermal field control center module receives alkali liquor temperature information from the heat exchanger 2, the gas-liquid separation system and the electrolytic bath 5, and controls the rotating speed of the alkali supplementing pump 4 and the water supplementing pump 14, the opening and closing amount of the heat exchanger 2 and the heating power of the thermocouple device 3 according to the temperature information of each part.
In the present embodiment, as shown in fig. 2, the thermocouple device 3 includes a housing 8, the housing 8 has a heating chamber 9, and an isolation layer is disposed on the inner wall of the heating chamber. A heating pipe 10 is arranged in the shell 8, an alkali liquor pipeline 11 is spirally wound on the periphery of the heating pipe 10, two ends of the alkali liquor pipeline respectively extend out of the shell 8, and the heating pipe 10 heats the spiral pipeline 11.
Wherein, the alkali liquor pipeline 11 is spiral, and has longer distance compared with the linear pipeline 11, thereby increasing the heating time of the alkali liquor in the pipeline 11. The heating pipe 10 is a resistance wire, and the resistance wire and the alkali liquor are in a non-contact winding heating mode, so that the resistance wire can not influence the components and particles of the alkali liquor to participate in the electrolytic reaction, and meanwhile, the resistance wire is prevented from being corroded by the alkali liquor. In addition, the resistance wire is wrapped by the heating cavity, so that heat conduction outside the heating cavity is reduced.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (3)
1. The thermoelectric coupling system for producing hydrogen by alkaline electrolysis of water is characterized in that: comprises an alkali liquor configuration module, a thermoelectric coupling device, an electrolytic bath, a gas-liquid separation system and a thermal field control module;
the alkali liquor outlet end of the alkali liquor configuration module is respectively communicated with the liquid inlets of the heat exchanger and the gas-liquid separation device;
the liquid outlet of the heat exchanger is communicated with the inlet of the alkali supplement pump, and the liquid outlet of the alkali supplement pump is communicated with the liquid inlet of the thermocouple device;
the liquid outlet of the thermoelectric coupling device is communicated with the liquid inlet of the electrolytic bath, and the electrolytic bath electrolyzes the alkali liquor heated by the thermoelectric coupling device;
the liquid outlet of the electrolytic bath is communicated with the liquid inlet of the gas-liquid separation device, and gas discharged by the gas-liquid separation device is treated by a purification and drying system through a gas outlet;
the water replenishing pump is communicated with a water replenishing port of the gas-liquid separation device;
the thermal field control module collects alkali liquor temperature values from the heat exchanger module, the gas-liquid separation module and the electrolytic cell module in real time;
the thermal field control module is used for controlling the rotating speed of the alkali supplementing pump and the water supplementing pump, the opening and closing amount of the heat exchanger and the heating power of the thermoelectric coupling device.
2. The thermoelectric coupling system for hydrogen production by alkaline electrolysis of water as claimed in claim 1, wherein: the thermoelectric coupling device comprises a shell, the shell is provided with a heating chamber, a heating pipe is arranged in the shell, an alkali liquor pipeline is spirally wound on the periphery of the heating pipe, two ends of the alkali liquor pipeline respectively extend out of the shell, and the heating pipe heats the spiral pipeline.
3. The thermoelectric coupling system for hydrogen production by alkaline electrolysis of water as claimed in claim 2, wherein:
an isolation layer is arranged on the inner wall of the heating chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320128351.5U CN218880084U (en) | 2023-01-13 | 2023-01-13 | Alkaline water electrolysis hydrogen production thermoelectric coupling system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320128351.5U CN218880084U (en) | 2023-01-13 | 2023-01-13 | Alkaline water electrolysis hydrogen production thermoelectric coupling system |
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| CN218880084U true CN218880084U (en) | 2023-04-18 |
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| CN202320128351.5U Active CN218880084U (en) | 2023-01-13 | 2023-01-13 | Alkaline water electrolysis hydrogen production thermoelectric coupling system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116445947A (en) * | 2023-01-13 | 2023-07-18 | 重庆瑜欣平瑞电子股份有限公司 | Alkaline water electrolysis hydrogen production thermoelectric coupling system and working method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116445947A (en) * | 2023-01-13 | 2023-07-18 | 重庆瑜欣平瑞电子股份有限公司 | Alkaline water electrolysis hydrogen production thermoelectric coupling system and working method |
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