CN220393935U - PEM (PEM) water electrolysis hydrogen production system based on renewable energy sources - Google Patents
PEM (PEM) water electrolysis hydrogen production system based on renewable energy sources Download PDFInfo
- Publication number
- CN220393935U CN220393935U CN202321365140.XU CN202321365140U CN220393935U CN 220393935 U CN220393935 U CN 220393935U CN 202321365140 U CN202321365140 U CN 202321365140U CN 220393935 U CN220393935 U CN 220393935U
- Authority
- CN
- China
- Prior art keywords
- sensor
- renewable energy
- energy
- circulating pump
- pem
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000001257 hydrogen Substances 0.000 title claims abstract description 82
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 82
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 80
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 47
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 36
- 238000005868 electrolysis reaction Methods 0.000 title description 26
- 239000001301 oxygen Substances 0.000 claims abstract description 33
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 33
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 29
- 239000007788 liquid Substances 0.000 claims abstract description 24
- 238000001816 cooling Methods 0.000 claims abstract description 19
- 239000003792 electrolyte Substances 0.000 claims abstract description 19
- 239000003513 alkali Substances 0.000 claims description 28
- 238000004146 energy storage Methods 0.000 claims description 24
- 238000010248 power generation Methods 0.000 claims description 18
- 239000000523 sample Substances 0.000 claims description 9
- 238000004891 communication Methods 0.000 claims description 7
- 230000000875 corresponding effect Effects 0.000 abstract description 2
- 230000007246 mechanism Effects 0.000 abstract description 2
- 238000002360 preparation method Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 9
- 239000012535 impurity Substances 0.000 description 6
- 238000011161 development Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000003860 storage Methods 0.000 description 5
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000000629 steam reforming Methods 0.000 description 1
Landscapes
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Abstract
The utility model discloses a PEM electrolytic water hydrogen production system based on renewable energy sources, which can monitor hydrogen pressure, oxygen pressure, rectifier current, rectifier voltage, electrolyte temperature, liquid level in an alkaline tank, water pump running state signals, electrolyte flow signals and the like in real time, automatically control working parameters, realize automatic control of hydrogen preparation, and comprises an electrolytic tank, an alkaline tank, a cooling device, a circulating pump and an intelligent control unit, wherein the cooling device is connected with the circulating pump, a water inlet of the circulating pump is connected with the cooling device, a water outlet of the circulating pump is connected with the electrolytic tank, each parameter of electrolytic water production of the electrolytic tank is monitored through each sensor, the monitored parameter is transmitted into the controller in an electric signal mode, the controller judges and analyzes the electric signal, compares the parameter with a preset parameter, and then controls an executing mechanism to execute corresponding action, so that intelligent control of electrolytic water hydrogen production is realized.
Description
Technical Field
The utility model relates to the technical field of hydrogen preparation, in particular to a PEM (proton exchange membrane) electrolytic water hydrogen production system based on renewable energy sources.
Background
Hydrogen is an important industrial product and is widely used in the industrial departments and service departments of petroleum, chemical industry, building materials, metallurgy, electronics, medicine, electric power, light industry, weather, traffic and the like. The method for industrially preparing hydrogen is numerous, natural gas petroleum and products thereof are subjected to steam reforming, partial oxidation hydrogen production, coal gasification hydrogen production and the like, and ammonia decomposition hydrogen production is popular in the past, and more modern methanol decomposition hydrogen production is carried out in recent years, and in addition, salt water electrolysis hydrogen production and water electrolysis hydrogen production are also carried out. Among these methods, the water electrolysis hydrogen production is one of the methods which are widely used and relatively mature at present. The hydrogen production process by using water as raw material is the reverse process of producing water by burning hydrogen and oxygen, so that only a certain form and a certain energy are provided, the water can be decomposed. The efficiency of preparing hydrogen by decomposing water with electric energy is generally 75-85%, the process is simple, pollution is avoided, the purity of the product hydrogen is high, but the running cost of hydrogen production by water electrolysis is high, and the power consumption is high.
Hydrogen is not only a clean energy source but also an excellent energy carrier, and has storable properties. Energy storage is one way to reasonably utilize energy. The solar energy, wind energy dispersion intermittent power generation device and peak-valley difference of power grid load or a large amount of cheap electric energy can be converted into hydrogen energy for storage and reuse when needed, and the energy storage mode is flexible in dispersion. The hydrogen energy also has the characteristic of being capable of transmitting, for example, the electric energy is converted into the hydrogen energy under certain conditions, and the hydrogen transmission has certain advantages compared with the electric transmission.
The development and application research of hydrogen energy is still in a starting stage, but with the technical progress, the requirements of the environment on clean energy are continuously improved, the utilization of hydrogen energy is a necessary trend of development, and the requirements on the supply of hydrogen sources are necessarily increased.
Disclosure of Invention
Therefore, in order to solve the defects, the utility model provides a PEM water electrolysis hydrogen production system based on renewable energy sources, which can monitor hydrogen pressure, oxygen pressure, rectifier current, rectifier voltage, electrolyte temperature, liquid level in an alkaline tank, water pump running state signals, electrolyte flow signals and the like in real time, automatically control working parameters and realize automatic control of hydrogen production.
The utility model is realized in such a way that a PEM electrolytic water hydrogen production system based on renewable energy sources is constructed, and the PEM electrolytic water hydrogen production system comprises an electrolytic tank, an alkali liquor tank, a cooling device, a circulating pump and an intelligent control unit, wherein the cooling device is connected with the circulating pump, a water inlet of the circulating pump is connected with the cooling device, and a water outlet of the circulating pump is connected with the electrolytic tank;
the intelligent control unit comprises a controller, a temperature sensor, a high liquid level sensor, a low liquid level sensor, an electrolyte flow sensor and a terminal, wherein the temperature sensor, the high liquid level sensor, the low liquid level sensor, the electrolyte flow sensor and the terminal are all kept connected with the controller, the controller is kept connected with a cooling device and a circulating pump, a temperature sensor probe is arranged in an electrolytic tank, the high liquid level sensor and the low liquid level sensor are respectively arranged at the upper part and the lower part in the electrolytic tank, and the electrolyte flow sensor is arranged at the communication part of the circulating pump and the electrolytic tank.
Further, the hydrogen-oxygen separator is connected with the oxygen side and the hydrogen side of the electrolytic tank.
The purpose of this arrangement is that the oxyhydrogen separator performs gas-liquid separation of hydrogen and oxygen generated by electrolysis in the electrolytic cell to ensure the purity of the hydrogen and the oxygen.
Further, an alkali liquor outlet of the oxyhydrogen separator is connected with a circulating pump, and a filter is arranged at the position where the circulating pump is communicated with the electrolytic tank.
The purpose of this setting is that the lye that the oxyhydrogen separator separated pumps into the electrolysis trough again under the drive of circulating pump to realize the reuse of lye, the filter filters the impurity of lye, avoids the impurity in the lye to adsorb on the electrode in electrolysis in-process, influences the electrode life-span.
Further, the device also comprises a hydrogen pressure sensor of which the probe is arranged on the hydrogen side of the electrolytic tank, an oxygen pressure sensor of which the probe is arranged on the oxygen side of the electrolytic tank and an alarm device which is connected with the controller.
The purpose of this setting is that hydrogen pressure sensor and oxygen pressure sensor detect the atmospheric pressure of hydrogen, oxygen to in the feedback to the controller, when atmospheric pressure is greater than the default, the warning device warning is controlled to the controller, so that the staff in time handles the trouble.
Further, the device also comprises a renewable energy power generation device for providing power for the electrolytic tank.
Further, renewable energy sources include solar energy, wind power, tidal energy, geothermal energy, and the like.
The purpose of the device is to provide energy for electrolysis Shui Zhiqing of the electrolytic tank through the power generation of the renewable energy power generation device, not only can effectively utilize renewable energy in a large scale and generate power through the renewable energy in a large scale to realize energy storage and energy conversion of the renewable energy, but also provides various effective power supplies for hydrogen production by water electrolysis and provides good development prospects for the hydrogen production technology by water electrolysis in a large scale.
Further, the energy management device further comprises an energy management unit, a current sensor and a voltage sensor, wherein the energy management unit is connected with the renewable energy power generation device, the electrolytic tank and the intelligent control unit, the controller is connected with the energy management unit, and the current sensor and the voltage sensor are both arranged in the wiring circuit of the electrolytic tank.
The purpose of this setting is that current sensor and voltage sensor are to the real-time supervision of electrolysis trough's working current, voltage to in the feedback to the controller, in order to the size of controller control current, voltage according to actual operating condition.
Further, the energy storage device also comprises an energy storage unit which is connected with the controller and the energy management unit.
The purpose of this arrangement is that the energy management unit delivers the unused electrical energy to the energy storage unit for storage, so that the operation of the electrolyzer is continued to be supplied with energy in the event that the renewable energy power generation device cannot generate electricity.
The utility model has the following advantages:
each parameter of the electrolytic hydrogen production of the electrolytic tank is monitored through each sensor, the monitored parameter is transmitted into the controller in an electric signal mode, the controller judges and analyzes the electric signal, the electric signal is compared with preset parameters according to the parameter, and the executing mechanism is controlled to execute corresponding actions, so that intelligent control of the electrolytic hydrogen production by water is realized;
the renewable energy power generation device is used for generating power to provide energy for the electrolysis Shui Zhiqing of the electrolytic tank, so that renewable energy can be effectively utilized in a large scale, the energy storage and energy conversion of the renewable energy are realized through the large-scale renewable energy power generation, various effective power supplies are provided for hydrogen production by water electrolysis, and a good development prospect is provided for the large-scale hydrogen production technology by water electrolysis;
the source management unit transmits the unused electric energy to the energy storage unit for storage so as to continuously provide energy for the operation of the electrolytic cell under the condition that the renewable energy power generation device cannot generate power;
the alkali liquor outlet of the oxyhydrogen separator is connected with the circulating pump, a filter is arranged at the position where the circulating pump is communicated with the electrolytic tank, and alkali liquor separated by the oxyhydrogen separator is pumped into the electrolytic tank again under the drive of the circulating pump so as to realize reutilization of the alkali liquor, and the filter filters impurities of the alkali liquor to avoid the impurities in the alkali liquor from being adsorbed on the electrode in the electrolytic process and affecting the service life of the electrode.
The system has the advantage of being capable of directly converting renewable energy into hydrogen energy, thereby reducing the dependence on fossil energy. Meanwhile, the hydrogen generated by the system can be used as clean energy, and harmful substances to the atmosphere can not be generated.
Drawings
Fig. 1: a product structure schematic diagram;
fig. 2: schematic structural diagram of electrolytic cell;
fig. 3: structural schematic diagram of intelligent control unit
In the figure: 1. a renewable energy power generation device; 2. an energy management unit; 3. an energy storage unit; 4. an electrolytic cell; 5. an intelligent control unit; 501. a controller; 502. a temperature sensor; 503. a current sensor; 504. a voltage sensor; 505. a hydrogen pressure sensor; 506. an oxygen pressure sensor; 507. a terminal; 508. an alarm device; 509. an electrolyte flow sensor; 510. a low level sensor; 511. a high level sensor; 6. an oxyhydrogen separator; 7. an alkali liquor tank; 8. cooling; 9. a circulation pump; 10. and (3) a filter.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to fig. 1 to 3, and it is apparent that the described embodiments 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.
The utility model provides a PEM electrolytic water hydrogen production system based on renewable energy sources through improvement, which comprises an electrolytic tank 4, an alkali liquor tank 7, a cooling device 8, a circulating pump 9 and an intelligent control unit 5, wherein the cooling device 8 is connected with the circulating pump 9, a water inlet of the circulating pump 9 is connected with the cooling device 8, and a water outlet of the circulating pump 9 is connected with the electrolytic tank 4;
the intelligent control unit 5 comprises a controller 501, a temperature sensor 502, a high liquid level sensor 511, a low liquid level sensor 510, an electrolyte flow sensor 509 and a terminal 512, wherein the temperature sensor 502, the high liquid level sensor 511, the low liquid level sensor 510, the electrolyte flow sensor 509 and the terminal 512 are all kept connected with the controller 501, the controller 501 is kept connected with a cooling device 8 and a circulating pump 9, a probe of the temperature sensor 502 is arranged in an electrolytic tank 4, the high liquid level sensor 511 and the low liquid level sensor 510 are respectively arranged at the upper part and the lower part in the electrolytic tank 4, and the electrolyte flow sensor 509 is arranged at the communication part of the circulating pump 9 and the electrolytic tank 4.
The temperature sensor is a Pt100 thermal resistance sensor and is provided with an integrated transmitter, the temperature measuring range is 1-100 ℃, and the standard output signal is 0-5V.
In this embodiment, the hydrogen-oxygen separator 6 is connected to the oxygen side and the hydrogen side of the electrolytic tank 4, and the hydrogen-oxygen separator 6 performs gas-liquid separation on the hydrogen and oxygen generated by the electrolysis of the electrolytic tank 4 to ensure the purity of the hydrogen and the oxygen.
In this embodiment, the alkali liquor outlet of the oxyhydrogen separator 6 is connected with the circulation pump 9, a filter 10 is disposed at the connection position between the circulation pump 9 and the electrolytic tank 4, and the alkali liquor separated by the oxyhydrogen separator 6 is pumped into the electrolytic tank 4 again under the driving of the circulation pump 9, so as to realize the reutilization of the alkali liquor, and the filter 10 filters the impurities of the alkali liquor, so that the impurities in the alkali liquor are prevented from being adsorbed on the electrode in the electrolytic process, and the service life of the electrode is prevented from being influenced.
In this embodiment, the system further includes a hydrogen pressure sensor 505 with a probe disposed on the hydrogen side of the electrolytic tank 4, an oxygen pressure sensor 506 with a probe disposed on the oxygen side of the electrolytic tank 4, and an alarm device 508 connected to the controller 501, where the pressure sensor is a standard pressure sensor and has an integrated transmitter, the measurement range is 0-1.6 MPa, the standard output signal is a current signal of 0-10 mA, the hydrogen pressure sensor 505 and the oxygen pressure sensor 506 detect the air pressure of hydrogen and oxygen and feed back to the controller 501, and when the air pressure is greater than a preset value, the controller 501 controls the alarm device 508 to alarm, so that the staff can process faults in time.
In this embodiment, the device further comprises a renewable energy power generation device 1 for providing power for the electrolytic tank 4, and the renewable energy power generation device 1 generates power to provide energy for hydrogen production by water electrolysis of the electrolytic tank 4, so that not only can renewable energy be effectively utilized in a large scale, but also energy storage and energy conversion of the renewable energy are realized by large-scale renewable energy power generation, and various effective power supplies are provided for hydrogen production by water electrolysis, thereby providing good development prospects for large-scale hydrogen production technologies by water electrolysis.
In this embodiment, the system further includes an energy management unit 2, a current sensor 503 and a voltage sensor 504, where the energy management unit 2 is connected to the renewable energy power generation device 1, the electrolytic tank 4 and the intelligent control unit 5, the controller 501 is connected to the energy management unit 2, the current sensor 503 and the voltage sensor 504 are all disposed in the wiring circuit of the electrolytic tank 4, the voltage sensor selects a standard hall voltage sensor and has an integrated transmitter, the measurement range is 1-150V, the standard output signal is 0-5V, the current sensor selects a standard hall current sensor and has an integrated transmitter, the measurement range is 0-500A, and the standard output signal is 0-5V. The current sensor 503 and the voltage sensor 504 monitor the working current and the working voltage of the electrolytic tank 4 in real time and feed the working current and the working voltage back to the controller 501, so that the controller 501 can control the magnitude of the current and the voltage according to the actual working condition.
In this embodiment, the energy storage unit 3 is further connected to the controller 501 and the energy management unit 2, and the energy management unit 2 transmits the electric energy which is not used yet to the energy storage unit 3 for storage, so as to continuously provide energy for the operation of the electrolytic tank 4 under the condition that the renewable energy power generation device 1 cannot generate power.
Working principle:
when the regenerated energy is high in intensity and the energy storage unit 3 is in a charged state capable of being charged and discharged, a main part of the energy is supplied to the electrolytic tank for electrolysis of water, electric energy is converted into hydrogen energy for storage, and the surplus part of the energy charges the energy storage unit 3 so as to be stored in the energy storage unit 3.
When the intensity of the renewable energy radiation is high and the energy storage unit 3 is in a full state of charge. Since the energy storage unit 3 cannot be recharged, otherwise it will be overcharged (overcharge of the battery will aggravate the water loss of the battery, accelerate grid corrosion and softening of the active material, will increase the probability of deformation of the battery), the energy management unit 2 will stop charging the energy storage unit 3, and the full force will supply energy to the electrolysis cell 4 for electrolysis of water.
When the renewable energy source intensity is insufficient and the state of charge of the energy storage unit 3 is not low, the system output energy cannot meet the energy requirement of the load, and the energy storage unit is needed to be buffered to supply energy, and the energy management unit 2 can call out the energy in the energy storage unit 3 and convey the energy to the electrolysis tank 4 for water electrolysis.
When the renewable energy power generation apparatus 1 has no energy output and because the energy storage unit 4 supplies power to the load for a long time, it may be in an overdischarge state, and in order to protect the buffer energy storage unit, the energy management unit 2 does not operate, and thus is in an off mode,
after the electrolytic tank 4 is electrified, the circulating pump 9 pumps the alkali liquor in the alkali liquor tank 7 into the electrolytic tank 5 until the alkali liquor level in the electrolytic tank 5 reaches the position of the high-level sensor 511, the circulating pump 9 stops pumping the alkali liquor in the alkali liquor tank 7 into the electrolytic tank 4, meanwhile, the electrolytic tank 4 electrolyzes the alkali liquor into hydrogen and oxygen, the hydrogen and oxygen are respectively discharged into the oxyhydrogen separator 6 from the hydrogen side and the oxygen side for gas-liquid separation, the separated gas is discharged from the exhaust port of the oxyhydrogen separator 6, the alkali liquor is then refluxed into the electrolytic tank 3 along with a pipeline from the liquid outlet under the action of the circulating pump 9, and when the alkali liquor level in the electrolytic tank 4 is lower than the low-level sensor 510, the controller 501 controls the circulating pump 9 to pump the alkali liquor in the alkali liquor tank 7 into the electrolytic tank 4;
after the intelligent control unit 5 is electrified, the temperature of the electrolyte is automatically detected, after a circulating pump is started, when a start key is pressed, the intelligent control unit 5 enters a soft start state, namely, the maximum rectifying current is calculated according to the relation between the temperature and the conductivity of the electrolyte, the current is increased from 0 to working current within 2 seconds, and then the control state is entered;
when the temperature is less than 65 ℃, working current is determined according to temperature change, the pressure of hydrogen and oxygen is detected, and if the pressure difference of the hydrogen and the oxygen is more than 0.3MPa, an alarm is given;
when the temperature of the electrolyte exceeds 65 ℃, constant current control is carried out, and the current of the rectifier is controlled to be 300A. The controller 501 controls the cooling device 8 to work, the circulating pump 9 pumps the alkali liquor in the alkali liquor tank 7 into the cooling device 8, the alkali liquor is cooled by the cooling device 8 and then is injected into the electrolytic tank 4, the electrolyte in the electrolytic tank 4 is cooled, and meanwhile, the pressure of hydrogen and oxygen is measured. And alarming if the pressure difference between the hydrogen and the oxygen is more than 0.3 MPa.
If the hydrogen pressure is greater than 0.8MPa, gradually reducing the current of the control rectifier, and when the current reaches 0.9MP, reducing the current to 0A;
if the temperature of the electrolyte exceeds 85 ℃, reducing and controlling the current of the rectifier to 0 and alarming;
when the system is in operation, overcurrent occurs or the pressure difference between hydrogen and oxygen is less than 0.08MPa, alarming is carried out, and the current is reduced to 0.
The parameters detected by the sensors are reflected on the terminal 512, so that the working condition can be conveniently mastered by the staff, and meanwhile, the staff can set the parameters through the terminal to control the work of the equipment.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. The PEM electrolytic water hydrogen production system based on renewable energy sources is characterized by comprising an electrolytic tank (4), an alkali liquor tank (7), a cooling device (8), a circulating pump (9) and an intelligent control unit (5), wherein the cooling device (8) is connected with the circulating pump (9), a water inlet of the circulating pump (9) is connected with the cooling device (8), and a water outlet of the circulating pump is connected with the electrolytic tank (4);
the intelligent control unit (5) comprises a controller (501), a temperature sensor (502), a high liquid level sensor (511), a low liquid level sensor (510), an electrolyte flow sensor (509) and a terminal (512), wherein the temperature sensor (502), the high liquid level sensor (511), the low liquid level sensor (510), the electrolyte flow sensor (509) and the terminal (512) are all kept connected with the controller (501), the controller (501) is kept connected with a cooling device (8) and a circulating pump (9), a probe of the temperature sensor (502) is arranged in an electrolytic tank (4), the high liquid level sensor (511) and the low liquid level sensor (510) are respectively arranged at the upper part and the lower part in the electrolytic tank (4), and the electrolyte flow sensor (509) is arranged at the communication position of the circulating pump (9) and the electrolytic tank (4).
2. The renewable energy-based PEM electrolyzed water hydrogen production system of claim 1 further comprising a hydrogen-oxygen separator (6) in communication with the oxygen side and the hydrogen side of the electrolyzer (4).
3. The PEM electrolyzed water hydrogen production system based on renewable energy according to claim 2, characterized in that the lye outlet of the oxyhydrogen separator (6) is connected to a circulation pump (9), a filter (10) being provided where the circulation pump (9) communicates with the electrolyzer (4).
4. A PEM electrolyzed water hydrogen production system based on renewable energy according to claim 3, further comprising a hydrogen pressure sensor (505) with a probe disposed on the hydrogen side of the electrolyzer (4), an oxygen pressure sensor (506) with a probe disposed on the oxygen side of the electrolyzer (4), and an alarm device (508) maintained in connection with the controller (501).
5. The renewable energy-based PEM electrolyzed water hydrogen production system of claim 4 further comprising a renewable energy power generation apparatus (1) that provides power to the electrolyzer (4).
6. The renewable energy-based PEM electrolyzed water hydrogen production system of claim 5 further comprising an energy management unit (2), a current sensor (503) and a voltage sensor (504), the energy management unit (2) being in communication with the renewable energy power generation device (1), the electrolyzer (4) and the intelligent control unit (5), the controller (501) being in communication with the energy management unit (2), the current sensor (503) and the voltage sensor (504) being both disposed in the wiring circuit of the electrolyzer (4).
7. The renewable energy-based PEM electrolyzed water hydrogen production system of claim 6 further comprising an energy storage unit (3) in communication with the controller (501), the energy management unit (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321365140.XU CN220393935U (en) | 2023-05-31 | 2023-05-31 | PEM (PEM) water electrolysis hydrogen production system based on renewable energy sources |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321365140.XU CN220393935U (en) | 2023-05-31 | 2023-05-31 | PEM (PEM) water electrolysis hydrogen production system based on renewable energy sources |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220393935U true CN220393935U (en) | 2024-01-26 |
Family
ID=89612224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321365140.XU Active CN220393935U (en) | 2023-05-31 | 2023-05-31 | PEM (PEM) water electrolysis hydrogen production system based on renewable energy sources |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220393935U (en) |
-
2023
- 2023-05-31 CN CN202321365140.XU patent/CN220393935U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112481637A (en) | Water electrolysis hydrogen production system for fluctuating power supply and control strategy thereof | |
| CN105024628A (en) | Energy complementation self power supply system and power supply method | |
| CN114395775A (en) | Closed clean energy hydrogen production energy storage system | |
| CN114024327B (en) | Renewable energy source based power generation multifunctional complementary control system and method | |
| CN110601231A (en) | Photovoltaic and fuel cell integrated power generation system based on photovoltaic hydrogen production and energy storage | |
| CN104935037A (en) | Charging station with multiple methanol-water reforming hydrogen production and power generation modules and charging method | |
| CN109617215A (en) | A kind of distributed photovoltaic power generation hydrogen energy-storage system and method | |
| CN214411264U (en) | Fuel cell cogeneration intelligent system based on photovoltaic hydrogen production | |
| CN114908356A (en) | Renewable energy source water electrolysis hydrogen production control system | |
| CN207009561U (en) | A kind of hydrogen fuel cell system based on photovoltaic hydrogen manufacturing | |
| CN205489554U (en) | Millet power supply system is filled out in peak clipping based on methanol -water reformation hydrogen manufacturing power generation system | |
| CN106704815A (en) | Self-supported hydrogen refueling station using renewable energy sources | |
| CN105811443A (en) | Peak shaving and load shifting power supply system and method based on methanol water reforming hydrogen generation power generation system | |
| CN220393935U (en) | PEM (PEM) water electrolysis hydrogen production system based on renewable energy sources | |
| CN210711769U (en) | Switched reluctance wind power generation hydrogen production system | |
| CN106402647A (en) | Self-supporting hydrogen refueling station utilizing renewable energy sources | |
| CN209804809U (en) | Power station system based on solid hydrogen technology | |
| CN204794809U (en) | Energy complementation is from power supply system | |
| CN116426973A (en) | PEM (PEM) water electrolysis hydrogen production system based on renewable energy sources and working method thereof | |
| CN113549954B (en) | Electrolytic hydrogen production system device and control method thereof | |
| CN114268113A (en) | Electrolytic hydrogen production and energy storage power generation system facing non-constant power source and control method | |
| CN213327859U (en) | Hydrogen production equipment for water electrolysis of water and electricity | |
| CN212810358U (en) | Clean energy power supply system | |
| CN115637455A (en) | Proton exchange membrane PEM (proton exchange membrane) water electrolysis hydrogen production system based on solar power generation and energy supply | |
| CN204794155U (en) | Charging station with multiunit methanol -water reformation hydrogen manufacturing power mode |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |