CN220149686U - Temperature control system of alkaline water electrolysis hydrogen production device - Google Patents
Temperature control system of alkaline water electrolysis hydrogen production device Download PDFInfo
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- CN220149686U CN220149686U CN202321634781.0U CN202321634781U CN220149686U CN 220149686 U CN220149686 U CN 220149686U CN 202321634781 U CN202321634781 U CN 202321634781U CN 220149686 U CN220149686 U CN 220149686U
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- water electrolysis
- liquid separation
- alkaline water
- unit
- alkali liquor
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- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 66
- 239000001257 hydrogen Substances 0.000 title claims abstract description 66
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 66
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 56
- 238000005868 electrolysis reaction Methods 0.000 title claims abstract description 55
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 31
- 239000003513 alkali Substances 0.000 claims abstract description 64
- 239000007788 liquid Substances 0.000 claims abstract description 60
- 238000000926 separation method Methods 0.000 claims abstract description 60
- 238000010438 heat treatment Methods 0.000 claims abstract description 44
- 239000002918 waste heat Substances 0.000 claims abstract description 36
- 238000011084 recovery Methods 0.000 claims abstract description 35
- 238000004146 energy storage Methods 0.000 claims abstract description 25
- 238000001816 cooling Methods 0.000 claims abstract description 23
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 25
- 239000001301 oxygen Substances 0.000 claims description 25
- 229910052760 oxygen Inorganic materials 0.000 claims description 25
- 239000007789 gas Substances 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 2
- 238000011160 research Methods 0.000 abstract description 2
- 239000003792 electrolyte Substances 0.000 description 10
- 230000004043 responsiveness Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000005338 heat storage Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000010485 coping 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
- 230000003993 interaction Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000004904 shortening Methods 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
Landscapes
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Abstract
The utility model discloses a temperature control system of an alkaline water electrolysis hydrogen production device, and belongs to the technical field of alkaline water electrolysis hydrogen production. The system comprises an alkaline water electrolysis device, a gas-liquid separation device, a cooling unit, a heating unit, a waste heat recovery unit, an energy storage unit and the like. Through the heating unit in the first heat exchange loop and the heating device of the alkali liquor circulating device, alkali liquor with lower temperature can be heated by the heating unit and the heating device, alkali liquor with higher temperature can be reduced by the cooling unit in the second heat exchange loop, and the alkali liquor which does not need to be heated or cooled can pass through the eleventh transportation branch to the alkaline water electrolysis device. Meanwhile, the system is provided with a waste heat recovery unit, a waste heat recovery unit and a solar heat supply unit for supplying heat to the heating unit. The high-efficiency temperature control system is realized, the working temperature is optimized, and the method has important research value and application prospect for improving the hydrogen production efficiency and yield of the electrolytic tank, prolonging the service life and ensuring the safe operation.
Description
Technical Field
The utility model relates to the technical field of hydrogen production by alkaline water electrolysis, in particular to a temperature control system of a hydrogen production device by alkaline water electrolysis.
Background
The water electrolysis hydrogen production technology has the advantages of low cost, high efficiency and environmental protection, and is becoming one of the dominant technologies for future hydrogen production. However, the performance and stability of the electrolyzer, a key device of a water-splitting hydrogen production system, directly determine the hydrogen production efficiency and product quality of the whole system. At present, when the traditional electrolytic water hydrogen production is used for coping with the working condition of renewable energy source wide power fluctuation, the temperature of an electrolytic tank cannot reach the reflection temperature in time, so that the hydrogen production amount and the hydrogen purity are difficult to ensure, the electrolytic water hydrogen production effect is affected, and the fluctuation energy source cannot be responded quickly. Therefore, an efficient temperature control system is developed, the optimization of the working temperature is realized, and the system has important research value and application prospect for improving the hydrogen production efficiency and yield of the electrolytic tank, prolonging the service life and ensuring safe operation.
Disclosure of Invention
The utility model aims to provide a temperature control system of an alkaline water electrolysis hydrogen production device, which is used for shortening the preheating time of electrolyte, realizing that the temperature of the electrolyte is basically kept stable and improving the responsiveness of an electrolytic tank to renewable energy power fluctuation.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
a system for controlling the temperature of an alkaline electrolyzed water hydrogen plant, comprising: the device comprises an alkaline water electrolysis device, a gas-liquid separation device, an alkali liquor circulation device, a cooling unit, a heating unit, a waste heat recovery unit, an energy storage unit, a third stop valve and a fourth stop valve.
The alkaline water electrolysis device is connected with the gas-liquid separation device, and the alkali liquor output end of the gas-liquid separation device is connected to the alkali liquor water electrolysis device through an alkali liquor circulation loop by an alkali liquor circulation device.
The cooling unit and the heating unit are arranged between the alkali liquor circulating device and the alkaline water electrolysis device, and the gas-liquid separation device, the heating unit and the fourth break valve form a first heat exchange loop; the gas-liquid separation device, the cooling unit and the third three-way shut-off valve form a second heat exchange loop; a fifth on-off valve is arranged on the alkali liquor circulation branch.
The temperature control system of the alkaline electrolyzed water hydrogen production device is also provided with a waste heat recovery unit for collecting heat and an energy storage unit for providing heat for the heating unit.
The gas delivery pipe of the gas-liquid separation device is connected with the waste heat recovery unit through the transportation branch, the waste heat recovery unit is connected with the energy storage unit through the transportation branch, and the energy storage unit is connected with the heating unit through the transportation branch.
Preferably, the alkali liquor circulation branch is also provided with a temperature sensor and a PID temperature controller, the temperature sensor and the PID temperature controller are arranged between the gas-liquid separation device and the alkali liquor circulation device, the alkali liquor circulation device is provided with a heating device, and the PID temperature controller is connected with the heating device.
Preferably, the temperature control system further comprises a solar heating unit, and the solar heating unit is connected with the energy storage unit through a seventh transportation branch.
Preferably, the temperature control system further comprises a waste heat recovery unit, which is connected to the energy storage unit via an eighth transport branch.
Preferably, the gas-liquid separation device is arranged as a hydrogen side gas-liquid separation device and an oxygen side gas-liquid separation device, and the hydrogen side gas-liquid separation device and the oxygen side gas-liquid separation device are both provided with a gas outlet pipe and an alkali liquor outlet.
Preferably, a hydrogen output pipe of the hydrogen side gas-liquid separation device is connected with the waste heat recovery unit through a first transportation branch, and a first on-off valve is arranged on the first transportation branch;
the oxygen output pipe of the oxygen side gas-liquid separation device is connected with the waste heat recovery unit through a third transportation branch, and a second on-off valve is arranged on the third transportation branch.
Preferably, the cooling unit is connected to an external cold source.
Compared with the prior art, the utility model has the following beneficial effects:
the temperature control system of the alkaline electrolyzed water hydrogen production device provided by the utility model provides heat for the electrolyte in various modes of the waste heat recovery unit, the solar heat supply unit and the PID temperature controller, so that the preheating time of the electrolyte can be shortened, the temperature of the electrolyte is basically kept stable, and the responsiveness of the electrolytic tank to the power fluctuation of renewable energy sources is improved.
Through setting up a plurality of on-off valves, can realize under the different operating modes, the convenient switching of each branch road in the alkaline electrolysis water hydrogen plant temperature control system solves multiple electrolysis tank temperature problem, improves electrolysis efficiency and hydrogen production volume, increase of service life.
The system provided by the utility model is provided with the heat storage unit and the cooling unit, has stronger heat storage adjusting capability and cold supply adjusting capability, and can adapt to the change of the renewable energy power generation.
The temperature control system of the alkaline water electrolysis hydrogen production device provided by the utility model has a simple and compact structure, is easy to integrate with other equipment of the water electrolysis hydrogen production system, and is convenient for engineering realization.
Drawings
FIG. 1 is a schematic diagram of a temperature control system of an alkaline water electrolysis hydrogen plant according to an embodiment of the present utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model.
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.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In addition, the technical solutions of the embodiments of the present utility model may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present utility model.
Referring to fig. 1, the present embodiment provides a temperature control system for an alkaline water electrolysis hydrogen plant, which includes: an alkaline water electrolysis device 1, a gas-liquid separation device 2, an alkali liquor circulation device 3, a cooling unit 4, a heating unit 5, a waste heat recovery unit 6, an energy storage unit 7, a third on-off valve 8, a fourth on-off valve 9, a heating device 10, a temperature sensor 11 and a PID temperature controller 12.
The alkaline water electrolysis device 1 is connected with the gas-liquid separation device 2, and the alkali liquor output end of the gas-liquid separation device 2 is connected to the alkaline water electrolysis device 1 through an alkali liquor circulation loop 13 by an alkali liquor circulation device 3.
The cooling unit 4 and the heating unit 5 are arranged between the alkali liquor circulation device 3 and the alkaline water electrolysis device 1, and the gas-liquid separation device 2, the heating unit 5 and the fourth break valve 9 form a first heat exchange loop for heating alkali liquor circulated to the alkaline water electrolysis device 1 in the alkali liquor circulation loop 13; the gas-liquid separation device 2, the cooling unit 4 and the third on-off valve 8 form a second heat exchange loop for cooling the alkali liquor circulated to the alkaline water electrolysis device 1 in the alkali liquor circulation loop 13.
In this embodiment, the gas-liquid separation device 2 is provided as a hydrogen-side gas-liquid separation device 201 and an oxygen-side gas-liquid separation device 202, and the hydrogen-side gas-liquid separation device 201 and the oxygen-side gas-liquid separation device 202.
One end of the alkaline water electrolysis device 1 is connected with a hydrogen side gas-liquid separation device 201, the hydrogen side gas-liquid separation device 201 is provided with an alkali liquor output port and a hydrogen outlet pipe, and alkali liquor and hydrogen are separated by the hydrogen side gas-liquid separation device 201.
The other end of the alkaline water electrolysis device 1 is connected with an oxygen side gas-liquid separation device 202, the oxygen side gas-liquid separation device 202 is provided with an alkali liquor output port and an oxygen outlet pipe, and alkali liquor and oxygen are separated by the oxygen side gas-liquid separation device 202.
The alkali liquor output end of the hydrogen side gas-liquid separation device 201 and the alkali liquor output end of the oxygen side gas-liquid separation device 202 are communicated with the alkali liquor circulation device 3 through a second transportation branch 14 which is connected in parallel.
The system is also provided with a temperature sensor 11 and a PID temperature controller 12, wherein the temperature sensor 11 is connected with a hydrogen side gas-liquid separation device 201 and an oxygen side gas-liquid separation device 202 through a second transportation branch 14, the temperature sensor 11 is arranged among the hydrogen side gas-liquid separation device 201, the oxygen side gas-liquid separation device 202 and the alkali liquor circulation device 3, the temperature sensor 11 is used for monitoring the alkali liquor temperature flowing out of the gas-liquid separation device 2, and the temperature sensor 11 further feeds data back to the PID temperature controller 12.
The heating device 10 is arranged outside the alkali liquor circulation device 3, the PID temperature controller 12 is connected with the heating device 10, and the heating device 10 is controlled by the PID temperature controller 12 and is used for improving the temperature of electrolyte passing through the alkali liquor circulation device 3.
The lye separated by the hydrogen side gas-liquid separation device 201 and the oxygen side gas-liquid separation device 202 enters the lye circulation loop 13, and the lye circulation loop 13 is divided into a ninth transportation branch 15, a tenth transportation branch 16 and an eleventh transportation branch 17. The ninth transportation branch 15 is provided with a cooling unit 4 and a third on-off valve 8, the input end of the cooling unit 4 is connected with the ninth transportation branch 15, and the cooling unit 4 and the third on-off valve 8 are matched for use and are used for cooling alkali liquor circulated to the alkaline water electrolysis device 1 in the alkali liquor circulation loop 13.
The tenth transportation branch 16 is provided with a heating unit 5 and a fourth stop valve 9, and the input end of the tenth transportation branch 16 connected with the heating unit 5 is matched with the fourth stop valve 9 through the heating unit 5 for heating the alkali liquor circulated to the alkaline water electrolysis device 1 in the alkali liquor circulation loop 13.
The eleventh transport branch 17 is provided with a fifth on-off valve 18, and an input end of the fifth on-off valve 18 is connected with the eleventh transport branch 17, and the eleventh transport branch 17 can pass alkali liquor meeting the electrolysis temperature requirement, namely without heating or cooling.
The output ends of the cooling unit 4, the fifth on-off valve 18 and the heating unit 5 are provided with a twelfth transportation branch 30 which is connected in parallel, and the circulated alkali liquor is transported to the alkaline water electrolysis device 1 through the twelfth transportation branch 30.
The hydrogen output pipe of the hydrogen side gas-liquid separation device 201 is connected with the waste heat recovery unit 6 through the first transportation branch 19, the first transportation branch 19 is provided with a first on-off valve 20, and the first on-off valve 20 and the waste heat recovery unit 6 are matched for use so as to controllably recover the surplus heat released by the alkaline water electrolysis device 1 during normal operation.
The oxygen output pipe of the oxygen side gas-liquid separation device 202 is connected with the waste heat recovery unit 6 through a third transportation branch 21, a second on-off valve 22 is arranged on the third transportation branch 21, and the second on-off valve 22 and the waste heat recovery unit 6 are matched for use so as to controllably recover the surplus heat released by the alkaline water electrolysis device 1 during normal operation.
The waste heat recovery unit 6 is connected with the energy storage unit 7 through a fifth transportation branch 23, the energy storage unit 7 is connected with the heating unit 5 through a sixth transportation branch 24, a sixth on-off valve 29 is arranged on the sixth transportation branch 24, and the energy storage unit 7 and the sixth on-off valve 29 can be matched for use to control the output of heat of the energy storage unit 7.
The temperature control system of the alkaline water electrolysis hydrogen production device is further provided with a solar heat supply unit 25, and the solar heat supply unit 25 can collect solar heat to realize the utilization of renewable energy sources. The solar heating unit 25 is connected to the energy storage unit 7 via a seventh transport branch 26.
The temperature control system of the alkaline electrolyzed water hydrogen production device is also provided with a waste heat recovery unit 27, and the waste heat recovery unit 27 can recover and reuse waste heat of equipment such as an air conditioner and the like. The waste heat recovery unit 27 can be connected to the energy storage unit 7 via an eighth transport branch 28.
In this embodiment, the alkaline water electrolysis device 1 is provided as an electrolysis tank, the alkali liquor circulation device 3 is an alkali liquor circulation pump, the heating device 10 is a heating sleeve, and the heating unit 5 is provided as a heat exchanger, which may be a plate heat exchanger, a sleeve heat exchanger, or a shell-and-tube heat exchanger, for heat exchange.
The specific working procedure of the utility model is as follows:
the electrolytic tank is started, renewable energy supplies power to electrolyze electrolyte, hydrogen and oxygen are generated, the generated hydrogen is discharged through a hydrogen outlet pipe of the hydrogen side gas-liquid separation device 201, the separated hydrogen is conveyed to the waste heat recovery unit 6 through the first on-off valve 20 and the first conveying branch 19, the waste heat recovery unit 6 recovers heat, and then the heat recovered by the waste heat recovery unit 6 is conveyed to the energy storage unit 7 through the fifth conveying branch 23 for storage. Similarly, oxygen generated by electrolysis of the electrolyte is discharged through an oxygen outlet pipe of the oxygen side gas-liquid separation device 202, the separated oxygen is conveyed to the waste heat recovery unit 6 through the second on-off valve 22 and the third conveying branch 21, the waste heat recovery unit 6 recovers heat, and then the heat recovered by the waste heat recovery unit 6 is conveyed to the energy storage unit 7 through the fifth conveying branch 23 for storage.
Meanwhile, the solar heating unit and the waste heat recovery unit 27 transfer the collected heat to the energy storage unit 7 through the seventh and eighth transport branches 26 and 28, respectively.
The temperature of the alkali liquor separated by the hydrogen side gas-liquid separation device 201 and the oxygen side gas-liquid separation device 202 is monitored by the temperature sensor 11, when the temperature is lower than 80 ℃, the sixth on-off valve 29 in the alkali liquor circulation branch is opened, the heat transfer medium in the energy storage unit 7 is sent to the heat exchanger through the sixth transportation branch 24, meanwhile, the fourth stop valve 9 is opened, the alkali liquor is heated by the heat exchanger to reach the electrolysis temperature, and then the alkali liquor is sent back to the electrolytic tank through the twelfth transportation branch 30.
Meanwhile, when the temperature of the alkali liquor separated by electrolysis is lower, the heating device 10 is controlled by the PID temperature controller 12, so that the temperature of the alkali liquor in the alkali liquor circulating pump is quickly raised to reach the preset temperature, and the hydrogen production efficiency is improved.
When the temperature of the separated alkali liquor is monitored by the temperature sensor 11, when the temperature is higher than 80 ℃, the third on-off valve 8 is opened, the alkali liquor is conveyed to the cooling unit 4 by the ninth conveying branch 15, the cooling unit 4 cools the alkali liquor, and when the temperature of the alkali liquor is reduced to the set temperature, the alkali liquor is returned to the electrolytic tank by the twelfth conveying branch 30.
When the temperature of the separated alkali liquor is monitored by the temperature sensor 11, and when the temperature is equal to 80 ℃, the fifth on-off valve 18 is opened, and the alkali liquor is conveyed into the electrolytic tank through the eleventh conveying branch 17 and the twelfth conveying branch 30 for continuous recycling. Through the arrangement of a plurality of on-off valves, convenient switching of each loop of the system under different working conditions can be realized, the electrolyte preheating time can be shortened by matching with the waste heat recovery unit 6, the energy storage unit 7, the solar heat supply unit 25, the PID temperature controller 12 and the like, the electrolyte temperature is basically kept stable, the responsiveness of the electrolytic tank to the renewable energy power fluctuation is improved, and the service life is prolonged.
Of course, the above is merely exemplary, and the predetermined temperature in this example may be adjusted as needed, which will not be described in detail herein.
The present embodiment has been described in detail with reference to the accompanying drawings. From the foregoing description, one skilled in the art will readily recognize a temperature control system for an alkaline water electrolysis hydrogen plant in accordance with the present utility model.
Of course, the above-mentioned embodiments are only preferred embodiments of the present utility model, and not limiting the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model and should be protected by the present utility model.
Claims (7)
1. A system for controlling the temperature of an alkaline electrolyzed water hydrogen plant, comprising: the alkaline water electrolysis device, the gas-liquid separation device, the alkali liquor circulation device, the cooling unit, the heating unit, the waste heat recovery unit, the energy storage unit, the third cut-off valve and the fourth cut-off valve;
the alkaline water electrolysis device is connected with the gas-liquid separation device, and the alkali liquor output end of the gas-liquid separation device is connected to the alkaline water electrolysis device through the alkali liquor circulation device by an alkali liquor circulation loop;
the device is characterized in that the cooling unit and the heating unit are arranged between the alkali liquor circulation device and the alkaline water electrolysis device, and the gas-liquid separation device, the heating unit and a fourth break valve form a first heat exchange loop; the gas-liquid separation device, the cooling unit and the third cut-off valve form a second heat exchange loop; a fifth on-off valve is arranged on the alkali liquor circulation branch;
the temperature control system of the alkaline electrolyzed water hydrogen production device is also provided with a waste heat recovery unit for collecting heat and an energy storage unit for providing heat for the heating unit;
the gas transmission pipe of the gas-liquid separation device is connected with the waste heat recovery unit through a transportation branch, the waste heat recovery unit is connected with the energy storage unit through the transportation branch, and the energy storage unit is connected with the heating unit through the transportation branch.
2. The alkaline water electrolysis hydrogen production device temperature control system according to claim 1, wherein a temperature sensor and a PID temperature controller are further arranged on the alkaline water electrolysis hydrogen production device circulation branch, the temperature sensor and the PID temperature controller are arranged between the gas-liquid separation device and the alkaline water electrolysis hydrogen production device, a heating device is arranged on the alkaline water electrolysis hydrogen production device circulation device, and the PID temperature controller is connected with the heating device.
3. The alkaline water electrolysis hydrogen plant temperature control system of claim 1 further comprising a solar heating unit connected to the energy storage unit via a seventh transport branch.
4. A system for controlling the temperature of an alkaline water electrolysis hydrogen plant according to claim 1, further comprising a waste heat recovery unit connected to the energy storage unit via an eighth transportation branch.
5. The temperature control system of an alkaline water electrolysis hydrogen production device according to claim 1, wherein the gas-liquid separation device is a hydrogen side gas-liquid separation device and an oxygen side gas-liquid separation device, and the hydrogen side gas-liquid separation device and the oxygen side gas-liquid separation device are both provided with a gas outlet pipe and an alkali liquor outlet.
6. The temperature control system of an alkaline water electrolysis hydrogen production device according to claim 5, wherein a hydrogen output pipe of the hydrogen side gas-liquid separation device is connected with the waste heat recovery unit through a first transportation branch, and a first on-off valve is arranged on the first transportation branch;
the oxygen output pipe of the oxygen side gas-liquid separation device is connected with the waste heat recovery unit through a third transportation branch, and a second on-off valve is arranged on the third transportation branch.
7. The alkaline water electrolysis hydrogen plant temperature control system of claim 1 wherein the cooling unit is connected to an external heat sink.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321634781.0U CN220149686U (en) | 2023-06-26 | 2023-06-26 | Temperature control system of alkaline water electrolysis hydrogen production device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321634781.0U CN220149686U (en) | 2023-06-26 | 2023-06-26 | Temperature control system of alkaline water electrolysis hydrogen production device |
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| Publication Number | Publication Date |
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| CN220149686U true CN220149686U (en) | 2023-12-08 |
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| CN202321634781.0U Active CN220149686U (en) | 2023-06-26 | 2023-06-26 | Temperature control system of alkaline water electrolysis hydrogen production device |
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| CN (1) | CN220149686U (en) |
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2023
- 2023-06-26 CN CN202321634781.0U patent/CN220149686U/en active Active
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