CN217104083U - Coupling seawater desalination hydrogen production system based on renewable energy power generation - Google Patents
Coupling seawater desalination hydrogen production system based on renewable energy power generation Download PDFInfo
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- CN217104083U CN217104083U CN202220594837.3U CN202220594837U CN217104083U CN 217104083 U CN217104083 U CN 217104083U CN 202220594837 U CN202220594837 U CN 202220594837U CN 217104083 U CN217104083 U CN 217104083U
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Abstract
The utility model discloses a based on renewable energy power generation coupling sea water desalination hydrogen manufacturing system, including power generation facility, controlling means, energy memory, sea water desalination device, brineelectrolysis hydrogen manufacturing installation and hydrogen storage device, power generation facility with the energy memory electricity is connected, controlling means is including being provided with electric energy input and electric energy output, power generation facility and energy memory all are connected with the electric energy input electricity, sea water desalination device, brineelectrolysis hydrogen manufacturing installation and hydrogen storage device all are connected with the electric energy output electricity, brineelectrolysis hydrogen manufacturing installation with hydrogen storage device pipe connection alleviates the serious problem of equipment corrosion, has improved the utilization efficiency of the resource of sea water.
Description
Technical Field
The utility model relates to a new forms of energy technical field, concretely relates to based on renewable energy electricity generation coupling sea water desalination hydrogen manufacturing system.
Background
In recent years, with the more prominent environmental pollution problem, the development of new energy is emphasized by various countries in the world, and hydrogen has the advantages of high calorific value and zero pollution emission in the combustion process, so that the hydrogen is considered to be an ideal energy carrier for relieving energy crisis and environmental pollution. The conventional production of hydrogen from fossil raw materials causes excessive emission of CO2, and does not meet the demand of long-term development targets. The generation of electricity by renewable energy sources and the production of "green hydrogen" by electrolysis of water is considered to be a necessity for future development. However, the preparation of "green hydrogen" requires the consumption of a large amount of water resources, and if all fresh water resources are used, the balance of local water resources is lost, which is not favorable for the long-term development of the industry.
Currently, there are still some problems with the system for producing hydrogen by electrolyzing seawater using renewable energy sources:
1. wind and light resource power generation is usually concentrated in a specific time period, such as the time of strong sunshine in daytime or in windy seasons, so that the continuous capacities of seawater desalination and water electrolysis hydrogen production are poor, the running time is insufficient, and the efficiency is low.
2. The composition of seawater is very complex, besides dissolving various inorganic salt ions, the seawater also contains a plurality of organic matters and impurities, such as plastics, microorganisms, dissolved gases and the like, so that the equipment is seriously corroded, and the catalyst is quickly inactivated, so that the requirement of long-time operation of industrial electrolysis is difficult to meet.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a hydrogen manufacturing system based on renewable energy power generation coupling sea water desalination.
The specific scheme is as follows:
the utility model provides a couple sea water desalination hydrogen manufacturing system based on renewable energy power generation, includes power generation facility, controlling means, energy memory, sea water desalination device, electrolytic water hydrogen manufacturing installation and hydrogen storage device, power generation facility with the energy memory electricity is connected, controlling means is including being provided with electric energy input end and electric energy output, power generation facility and energy memory all are connected with the electric energy input electricity, sea water desalination device, electrolytic water hydrogen manufacturing installation and hydrogen storage device all are connected with the electric energy output electricity, electrolytic water hydrogen manufacturing installation with hydrogen storage device pipe connection.
The seawater desalination device comprises a water suction pump, a pretreatment unit, a desalination treatment unit, a fresh water tank and a mixed salt acquisition unit, wherein the water suction pump is connected with a pretreatment unit pipeline, the pretreatment unit is connected with the desalination treatment unit pipeline, the desalination treatment unit is respectively connected with the fresh water tank and the mixed salt acquisition unit pipeline, and the mixed salt acquisition unit, the pretreatment unit and the desalination treatment unit are electrically connected with a control device.
The pretreatment unit comprises a first filter, a second filter and a third filter, the water suction pump is connected with the first filter through a pipeline, the first filter, the second filter and the third filter are sequentially connected through pipelines, the first filter is a self-cleaning filter, the second filter is an activated carbon filter, and the third filter is a cartridge filter.
And a dosing port is also arranged between the third filter and the desalination treatment unit, and the third filter is connected with the desalination treatment unit through a dosing port and a pipeline.
The desalination treatment unit comprises a high-pressure pump and a reverse osmosis membrane host, the high-pressure pump is connected with the reverse osmosis membrane host through a pipeline, a fresh water outlet and a concentrated water outlet are formed in the reverse osmosis membrane host, the reverse osmosis membrane host is connected with the fresh water tank through a fresh water outlet, the reverse osmosis membrane host is connected with the mixed salt obtaining unit through a concentrated water outlet, the mixed salt obtaining unit comprises an electrodialyzer and an evaporative crystallizer, and the electrodialyzer is connected with the evaporative crystallizer through a pipeline.
The device for producing hydrogen by electrolyzing water comprises an electrolytic cell, an anode and a cathode, wherein the anode and the cathode are fixed in the electrolytic cell, and the electrolytic cell is connected with the fresh water tank through a pipeline.
The hydrogen storage device comprises separation and purification equipment and a hydrogen storage tank, wherein the hydrogen storage tank is connected with the separation and purification equipment through a pipeline, the separation and purification equipment is connected with a cathode pipeline, and the separation and purification equipment is a PSA hydrogen extraction device.
The energy storage device is a storage battery pack, the power generation device comprises a wind generating set and a photovoltaic cell panel, the wind generating set and the photovoltaic cell panel are electrically connected with the storage battery pack, the wind generating set, the photovoltaic cell panel and the storage battery pack are electrically connected with a control device, and the control device is an industrial personal computer or a single chip microcomputer.
The utility model discloses a based on renewable energy power generation coupling sea water desalination hydrogen manufacturing system, adopt wind generating set photovoltaic cell board, energy memory and controlling means, acquire the electric energy through wind generating set or photovoltaic cell board when sunshine time is strong or windy season, and store in importing unnecessary electric energy to energy memory, provide the electric energy assurance for lasting electrolysis hydrogen manufacturing, and through preprocessing device in sea water desalination device, detach the total impurity of sea water, in order to alleviate the serious problem of equipment corrosion, in addition, when acquireing fresh water through sea water desalination device, go back accessible mixed salt acquisition device and acquire mixed salt, the utilization efficiency of the resource of sea water has been improved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the implementations of the present invention, and not all implementations, and all other embodiments obtained by those skilled in the art without any inventive work are included in the scope of the present invention.
As shown in fig. 1, a coupling seawater desalination hydrogen production system based on renewable energy power generation comprises a power generation device 1, a control device 6, an energy storage device 4, a seawater desalination device 7, an electrolyzed water hydrogen production device 19 and a hydrogen storage device 23, wherein the power generation device 1 is electrically connected with the energy storage device 4, the control device 6 comprises an electric energy input end and an electric energy output end, the power generation device 1 and the energy storage device 4 are electrically connected with the electric energy input end, the seawater desalination device 7, the electrolyzed water hydrogen production device 19 and the hydrogen storage device 23 are electrically connected with the electric energy output end, and the electrolyzed water hydrogen production device 19 is connected with the hydrogen storage device 23 through a pipeline.
The dashed lines in fig. 1 represent electrical connections, and the solid lines represent pipe connections.
In this embodiment, the electric energy of the system is obtained by generating electricity through wind or light renewable resources in the nature, and part of the obtained electric energy is provided to a seawater desalination device to extract fresh water and produce mixed salt in a coupling manner, and part of the obtained electric energy is provided to an electrolyzed water hydrogen production device to produce hydrogen, and part of the obtained electric energy is provided to a hydrogen storage device to store hydrogen under pressure, and the rest of the electric energy of the system is still remained and can be stored in the energy storage device, and when the electric power of the system is insufficient, the energy storage device releases the electric energy to maintain the operation of each device in the system.
Sea water desalination device 7 includes suction pump 8, preprocessing unit 9, desalination processing unit 14, fresh water tank 17 and mixes salt and obtains unit 18, wherein, suction pump 8 and 9 pipe connections of preprocessing unit, preprocessing unit 9 and 14 pipe connections of desalination processing unit, desalination processing unit 14 respectively with fresh water tank 17 with mix salt and obtain 18 pipe connections of unit, it all is connected with controlling means 6 electricity to mix salt and obtains unit 18, preprocessing unit 9 and desalination processing unit 14. In the embodiment, the water pump 8 is a fluoroplastic submersible pump in consideration of corrosion of seawater on the water pump 8.
The pretreatment unit 9 comprises a first filter 10, a second filter 11 and a third filter 12, the water suction pump 8 is connected with the first filter 10 through a pipeline, the first filter 10, the second filter 11 and the third filter 12 are sequentially connected through a pipeline, the first filter 10 is a self-cleaning filter and is used for removing silt and granular suspended matters in seawater, and the second filter 11 is an activated carbon filter and is used for removing heavy metals, chemical organic matters and residual chlorine in the seawater; the third filter 11 is a security filter and is used for intercepting particles of 5 μm and ensuring that the water quality meets the requirement of entering a reverse osmosis membrane.
Still be provided with between third filter 12 and the desalination processing unit 14 and add medicine mouth 13, third filter 12 is through adding medicine mouth 13 and desalination processing unit 14 pipe connection, and adding medicine mouth 13 is adding antisludging agent in the sea water after the filtration to reduce the formation of incrustation scale, prolong reverse osmosis membrane's life.
The desalination treatment unit 14 comprises a high-pressure pump 15 and a reverse osmosis membrane host machine 16, the high-pressure pump 15 is in pipeline connection with the reverse osmosis membrane host machine 16, a fresh water outlet and a concentrated water outlet are formed in the reverse osmosis membrane host machine 16, the reverse osmosis membrane host machine 16 is in pipeline connection with a fresh water tank 17 through the fresh water outlet, the reverse osmosis membrane host machine 16 is in pipeline connection with a mixed salt obtaining unit 18 through the concentrated water outlet, the mixed salt obtaining unit 18 comprises an electrodialyzer and an evaporative crystallizer, and the electrodialyzer is in pipeline connection with the evaporative crystallizer.
The reverse osmosis membrane main machine utilizes the pressurization of the high-pressure pump and the interception of the reverse osmosis membrane to remove impurities such as solid dissolved matters, organic matters, colloid, microorganisms, bacteria and the like in water, and has the advantages of wide application range, high degree of initiative, small occupied area, low energy consumption and good effluent quality.
The electrodialyzer consists of a cathode, an anode and a plurality of female molds and male molds which are alternately arranged, under the action of an external direct current electric field, the anions and the cations in water are directionally migrated by utilizing the permeability of an ion exchange membrane, and the salt of the residual concentrated seawater after seawater desalination can be further concentrated.
In this embodiment, the high-pressure pump 15 is used to pressurize the seawater, so that the seawater passes through the reverse osmosis membrane in the reverse osmosis membrane host 16 to remove salt, the extracted fresh water is stored in the fresh water tank 17, the rest of the concentrated seawater enters the mixed salt obtaining unit 18 through a pipeline, the concentrated seawater is further concentrated through electrodialysis, and then the concentrated seawater is crystallized into salt through evaporation, so that the seawater resources are fully utilized, and the influence of direct discharge of the concentrated seawater on the marine environment is also reduced.
The water electrolysis hydrogen production device 19 comprises an electrolytic cell 22, an anode 21 and a cathode 20, wherein the anode 21 and the cathode 20 are fixed in the electrolytic cell 22, and the electrolytic cell 22 is connected with the fresh water tank 17 through a pipeline. The cathode 20 and the anode 21 are respectively connected with a direct current power supply, and hydrogen is prepared by electrolysis after the power is on.
The hydrogen storage device 23 comprises a separation and purification device 24 and a hydrogen storage tank 25, the hydrogen storage tank 25 is connected with the separation and purification device 24 through a pipeline, the separation and purification device 24 is connected with the cathode 20 through a pipeline, and the separation and purification device 24 is a PSA hydrogen extraction device.
The energy storage device 4 is a storage battery pack 5, the power generation device 1 comprises a wind generating set 2 and a photovoltaic cell panel 3, the wind generating set 2 and the photovoltaic cell panel 3 are both electrically connected with the storage battery pack 5, the wind generating set 2, the photovoltaic cell panel 3 and the storage battery pack 5 are all electrically connected with a control device 6, and the control device 6 is an industrial personal computer or a single chip microcomputer. In the embodiment, the residual electric energy of the system is consumed and utilized through charging and discharging of the storage battery pack 5.
The specific working process of the system for generating electricity and coupling seawater desalination and hydrogen production based on renewable energy sources comprises the following steps:
electric energy generated by the wind generating set 2 and the photovoltaic cell panel 3 is input into the control device 6, the control device 6 performs alternating current-direct current conversion on the generated electric energy to ensure that all devices in the system can work under proper voltage, meanwhile, the water suction pump 8 performs seawater extraction, the extracted seawater sequentially passes through the first filter 10, the second filter 11, the third filter 12 and the chemical adding port 13 to perform seawater pretreatment, the treated seawater is pressurized by the high-pressure pump 15 and then is conveyed to the reverse osmosis membrane host machine 16 to perform seawater desalination treatment, the treated fresh water is input into the fresh water tank 17, and the residual concentrated seawater obtained after seawater desalination enters the mixed salt obtaining unit 18 for further concentration and is evaporated and crystallized to obtain mixed salt.
Fresh water in the fresh water tank 17 is conveyed to the electrolyzed water hydrogen production device 19, the electrolytic cell 22 stores fresh water extracted by seawater desalination, the cathode 20 and the anode 21 are respectively and electrically connected with the cathode and the anode of the power supply device, and the electrolyzed water hydrogen production device 19 is electrified to separate out hydrogen at the cathode 20 and oxygen at the anode 21.
The hydrogen gas separated out from the cathode enters a separation and extraction device 24 through a pipeline, and is stored in a hydrogen storage tank 25 under pressure after being dried and extracted.
In seasons with sufficient sunlight or more wind power, the power generation device 1 transmits the residual electric energy after the seawater desalination and the fresh water hydrogen production to the energy storage device 4 for storage, and when the power generation capability of the power generation device 1 is insufficient, the energy storage device 4 provides electric energy for the seawater desalination and the fresh water hydrogen production through the control device 6.
The utility model discloses with the wind-solar energy resource electricity generation of nature, desalt the sea water earlier, the pure water electrolysis after the desalination prepares hydrogen, not only can solve the problem of fresh water resource shortage, the sea water is to the corruption of equipment and catalyst deactivation scheduling problem when can avoid electrolyzing the sea water moreover
The technical means disclosed by the scheme of the present invention is not limited to the technical means disclosed by the above embodiments, but also includes the technical scheme formed by the arbitrary combination of the above technical features. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications are also considered as the protection scope of the present invention.
Claims (8)
1. A system for generating electricity and coupling seawater desalination and hydrogen production based on renewable energy sources is characterized in that: including power generation facility (1), controlling means (6), energy memory (4), sea water desalination device (7), brineelectrolysis hydrogen plant (19) and hydrogen storage device (23), power generation facility (1) with energy memory (4) electricity is connected, controlling means (6) are including being provided with electric energy input and electric energy output, power generation facility (1) and energy memory (4) all are connected with electric energy input electricity, sea water desalination device (7), brineelectrolysis hydrogen plant (19) and hydrogen storage device (23) all are connected with electric energy output electricity, brineelectrolysis hydrogen plant (19) with hydrogen storage device (23) pipe connection.
2. The system for generating electricity and coupling seawater desalination hydrogen production based on renewable energy sources as claimed in claim 1, characterized in that: sea water desalination device (7) acquire unit (18) including suction pump (8), preprocessing unit (9), desalination processing unit (14), fresh water tank (17) and mixed salt, wherein, suction pump (8) and preprocessing unit (9) pipe connection, preprocessing unit (9) and desalination processing unit (14) pipe connection, desalination processing unit (14) acquire unit (18) pipe connection with fresh water tank (17) and mixed salt respectively, mixed salt acquires unit (18), preprocessing unit (9) and desalination processing unit (14) and all is connected with controlling means (6) electricity.
3. The system for generating electricity and coupling seawater desalination hydrogen production based on renewable energy sources as claimed in claim 2, characterized in that: the pretreatment unit (9) comprises a first filter (10), a second filter (11) and a third filter (12), the water suction pump (8) is connected with the first filter (10) through a pipeline, the first filter (10), the second filter (11) and the third filter (12) are sequentially connected through pipelines, the first filter (10) is a self-cleaning filter, the second filter (11) is an activated carbon filter, and the third filter (12) is a cartridge filter.
4. The system for generating electricity and coupling seawater desalination hydrogen production based on renewable energy sources as claimed in claim 3, characterized in that: a dosing port (13) is further arranged between the third filter (12) and the desalination processing unit (14), and the third filter (12) is connected with the desalination processing unit (14) through the dosing port (13) by a pipeline.
5. The system for generating electricity and coupling seawater desalination hydrogen production based on renewable energy sources as claimed in claim 4, characterized in that: the desalination treatment unit (14) comprises a high-pressure pump (15) and a reverse osmosis membrane host (16), the high-pressure pump (15) is in pipeline connection with the reverse osmosis membrane host (16), a fresh water outlet and a concentrated water outlet are formed in the reverse osmosis membrane host (16), the reverse osmosis membrane host (16) is in pipeline connection with the fresh water tank (17) through the fresh water outlet, the reverse osmosis membrane host (16) is in pipeline connection with the mixed salt obtaining unit (18) through the concentrated water outlet, the mixed salt obtaining unit (18) comprises an electrodialyzer and an evaporation crystallizer, and the electrodialyzer is in pipeline connection with the evaporation crystallizer.
6. The system for generating electricity and coupling seawater desalination hydrogen production based on renewable energy sources as claimed in claim 5, characterized in that: the water electrolysis hydrogen production device (19) comprises an electrolytic tank (22), an anode (21) and a cathode (20), wherein the anode (21) and the cathode (20) are fixed in the electrolytic tank (22), and the electrolytic tank (22) is connected with the fresh water tank (17) through a pipeline.
7. The system for generating electricity and coupling seawater desalination hydrogen production based on renewable energy sources as claimed in claim 6, characterized in that: the hydrogen storage device (23) comprises separation and purification equipment (24) and a hydrogen storage tank (25), the hydrogen storage tank (25) is connected with the separation and purification equipment (24) through a pipeline, the separation and purification equipment (24) is connected with a cathode (20) through a pipeline, and the separation and purification equipment (24) is a PSA hydrogen extraction device.
8. The system for generating electricity and coupling seawater desalination hydrogen production based on renewable energy sources as claimed in claim 1, characterized in that: the energy storage device (4) is a storage battery pack (5), the power generation device (1) comprises a wind generating set (2) and a photovoltaic cell panel (3), the wind generating set (2) and the photovoltaic cell panel (3) are electrically connected with the storage battery pack (5), the wind generating set (2), the photovoltaic cell panel (3) and the storage battery pack (5) are electrically connected with a control device (6), and the control device (6) is an industrial personal computer or a single chip microcomputer.
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| CN202220594837.3U CN217104083U (en) | 2022-03-18 | 2022-03-18 | Coupling seawater desalination hydrogen production system based on renewable energy power generation |
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| CN202220594837.3U CN217104083U (en) | 2022-03-18 | 2022-03-18 | Coupling seawater desalination hydrogen production system based on renewable energy power generation |
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