CN215163199U - Hydrogen production system utilizing offshore wind power - Google Patents
Hydrogen production system utilizing offshore wind power Download PDFInfo
- Publication number
- CN215163199U CN215163199U CN202121603790.4U CN202121603790U CN215163199U CN 215163199 U CN215163199 U CN 215163199U CN 202121603790 U CN202121603790 U CN 202121603790U CN 215163199 U CN215163199 U CN 215163199U
- Authority
- CN
- China
- Prior art keywords
- hydrogen
- wind power
- seawater
- aqueous solution
- water
- 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.)
- Expired - Fee Related
Links
Images
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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/131—Reverse-osmosis
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/133—Renewable energy sources, e.g. sunlight
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Abstract
The utility model discloses a hydrogen production system by utilizing offshore wind power, which comprises a wind power generation device, wherein the electricity of the wind power hydrogen production system is provided by the wind power generation device; an aqueous solution electrolysis device which electrolyzes water into hydrogen and oxygen; the hydrogen storage device is used for storing the hydrogen generated by the aqueous solution electrolysis device; the seawater desalination device purifies seawater into fresh water, the seawater desalination device comprises a water supply pump, an activated carbon filter and a reverse osmosis membrane filter, the seawater is pumped by the water supply pump and then sequentially passes through the activated carbon filter and the reverse osmosis membrane filter to obtain the fresh water, and the fresh water is conveyed into the aqueous solution electrolysis device through a conveying pump. The utility model utilizes wind energy to generate electricity, not only occupies no land resource, but also has rich energy, stable output and high utilization rate; after seawater is desalinated by the seawater desalination device, hydrogen is generated by the aqueous solution electrolytic tank, and the desalinated water is electrolyzed, so that the aqueous solution electrolytic tank is not easy to corrode.
Description
Technical Field
The utility model relates to a marine wind power development technical field, concretely relates to utilize marine wind power hydrogen manufacturing system.
Background
With the huge consumption of fossil energy and the serious pollution of the environment, renewable energy is more and more concerned by countries in the world, and wind energy becomes one of the most competitive new energy. Compared with onshore wind power, offshore wind power does not occupy land resources, and has the advantages of abundant energy, stable output and high utilization rate, thus becoming a new direction of world wind power development.
With the increase of the grid-connected proportion of new energy, the power generation of new energy such as wind and light is random, fluctuating and intermittent, the new energy of wind and light highly depends on natural conditions, so that the power balance is difficult, the phenomenon of wind abandon and power limit is easy to occur in local areas, and loss is caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an utilize offshore wind power hydrogen manufacturing system adopts wind energy to come electrolysis water hydrogen manufacturing, not only does not occupy the land resource, and the energy is abundant moreover, exert oneself stably, the high-usage.
In order to achieve the above object, the utility model provides a following technical scheme: a system for producing hydrogen by utilizing offshore wind power comprises
The electricity of the wind power hydrogen production system is provided by the wind power generation device;
an aqueous solution electrolysis device which electrolyzes water into hydrogen and oxygen;
and the hydrogen storage device is used for storing the hydrogen generated by the aqueous solution electrolysis device.
As a further aspect of the present invention: the seawater desalination device purifies seawater into fresh water, the seawater desalination device comprises a water supply pump, an activated carbon filter and a reverse osmosis membrane filter, the seawater is pumped by the water supply pump and then sequentially passes through the activated carbon filter and the reverse osmosis membrane filter to obtain the fresh water, and the fresh water is conveyed into the aqueous solution electrolysis device through the conveying pump.
As a further aspect of the present invention: the water solution electrolysis device comprises an electrolysis bath and a diaphragm arranged in the electrolysis bath, the diaphragm separates the electrolysis bath into an anode chamber and a cathode chamber, an anode electrode is arranged in the anode chamber, a cathode electrode is arranged in the cathode chamber, a hydrogen outlet pipe is arranged on the electrolysis bath, and the hydrogen outlet pipe is connected with a hydrogen storage device.
As a further aspect of the present invention: and a hydrogen compressor is connected between the hydrogen outlet pipe and the hydrogen storage device.
As a further aspect of the present invention: the wind power generation device comprises a wind turbine generator and a transformer station and generates power through wind power.
As a further aspect of the present invention: the system also comprises an offshore platform, wherein the wind power generation device, the aqueous solution electrolysis device and the hydrogen storage device are all arranged on the offshore platform.
As a further aspect of the present invention: the seawater desalination device also comprises a coarse filter cage placed in seawater, and a water inlet of the water supply pump is placed in the coarse filter cage.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the wind energy is used for generating electricity, so that land resources are not occupied, the energy is rich, the output is stable, and the utilization rate is high.
2. After seawater is desalinated by the seawater desalination device, hydrogen is generated by the aqueous solution electrolytic tank, and the desalinated water is electrolyzed, so that the aqueous solution electrolytic tank is not easy to corrode.
3. The generated hydrogen is compressed in the compressor, the storage amount is reduced, and the pressure of the gas is gradually increased step by step, so that the energy loss is close to zero.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a seawater desalination plant according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of an aqueous solution electrolyzing apparatus according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a seawater desalination plant according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a three-seawater desalination device according to an embodiment of the present invention.
The labels in the figure are: 1. a wind power generation device; 2. a backup battery pack; 3. a seawater desalination plant; 4. an aqueous solution electrolysis device; 5. a hydrogen compressor; 6. a hydrogen gas storage device; 7. an offshore platform; 8. a water supply pump; 9. a primary filter; 10. an activated carbon filter; 11. a reverse osmosis membrane filter; 12. an electrolytic cell; 13. a hydrogen outlet pipe; 14. an anode electrode; 15. an anode chamber; 16. a diaphragm; 17. a cathode chamber; 18. a cathode electrode; 19. a solar heat collector; 20. a hot water tank; 21. a heat exchanger; 22. a first distiller; 23. a second distiller; 24. a third distiller; 25. a first flash tank; 26. a fourth distiller; 27. a second flash tank; 28. a condenser; 29. a seawater intake pump; 30. a fresh water draining pump; 31. a concentrated water tank; 32. a concentrated water draining pump; 33. a hot water circulation pump; 34. a water pump; 35. lifting the electric push rod; 36. cleaning the spray head; 37. a coarse filtration cage; 38. a fresh water tank.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, the utility model provides a technical solution of hydrogen production system using offshore wind power:
example one
A system for producing hydrogen by utilizing offshore wind power comprises
The wind power generation device 1 is characterized in that the wind power generation device 1 comprises a wind turbine generator and a transformer station, the wind power generation device 1 generates power through wind power, and the power of a wind power hydrogen production system is provided by the wind power generation device 1;
the seawater desalination device 3 purifies seawater into fresh water, and the purified fresh water is stored in a fresh water tank for storage;
the aqueous solution electrolysis device 4 pumps the fresh water in the fresh water tank to the aqueous solution electrolysis device 4 through a pump, and the aqueous solution electrolysis device 4 electrolyzes the water into hydrogen and oxygen;
the hydrogen storage device 6, the hydrogen storage device 6 is used for storing the hydrogen produced by the aqueous solution electrolysis device 4;
the offshore platform 7, similar to a conventional offshore booster station platform, the wind power plant 1, the aqueous solution electrolysis plant 4 and the hydrogen storage tank are all placed on the offshore platform 7.
The wind turbine generator can adopt single pile type, tension leg type or semi-submersible type floating wind power, and the transformation station is connected with the wind turbine generator through a cable to provide stable voltage output.
As shown in fig. 3, the aqueous solution electrolysis device 4 comprises an electrolysis bath 12 and a diaphragm 16 arranged in the electrolysis bath 12, wherein the diaphragm 16 divides the electrolysis bath 12 into an anode chamber 15 and a cathode chamber 17, an anode electrode 14 is arranged in the anode chamber 15, a cathode electrode 18 is arranged in the cathode chamber 17, a hydrogen outlet pipe 13 is arranged on the electrolysis bath 12, the hydrogen outlet pipe 13 is connected with an air inlet of a hydrogen compressor 5, an air outlet of the hydrogen compressor 5 is connected with a hydrogen storage tank, the generated hydrogen is compressed in the hydrogen compressor 5, the storage capacity is reduced, the pressure of the gas is gradually increased step by step, and the energy loss is close to zero.
The hydrogen storage device 6 includes a set of hydrogen cylinders in which high-pressure hydrogen is stored, waiting for unloading. The storage capacity can meet the 3 balance average yield by using the hydrogen cylinders with lighter weight. Each storage bottle is provided with a safety pressure relief device, a metal hose is adopted for connecting the hydrogen bottle, measures for preventing the hydrogen bottle and the connector from falling off and shaking are taken, and regular inspection is carried out; the valves of the hydrogen cylinders and the safety pressure relief devices or their protective structures should be able to withstand inertial forces twice as much as their own weight.
The hydrogen production system can bear the intermittent power supply from the wind turbine generator set, and frequent starting and stopping can be caused without delay or excessive wear.
The area of the hydrogen storage device 6 is filled with inert gas to prevent hydrogen from leaking and igniting, and a fire extinguisher is arranged to ensure the safety of the system.
In addition, a standby battery pack 2 and a standby system are also arranged on the offshore platform 7, and a necessary power supply is provided for key equipment under the condition that wind power cannot run; the backup system also provides sufficient energy for device restart and recovery.
The wind power hydrogen production system also comprises a hydrogen unloading device, a hydrogen loading and unloading high-pressure hose is led out from the platform, the other end of the hose is led to a buoy of an anchor area of the hydrogen loading and unloading ship, and safe unloading and a larger operation window are met by loading and unloading in the anchor area outside the platform; the hydrogen discharging device is provided with a stop valve and a discharge/replacement valve.
As shown in fig. 2, the seawater desalination apparatus 3 includes a seawater desalination apparatus 3, which includes a water supply pump 8, a primary filter 9, an activated carbon filter 10, and a reverse osmosis membrane filter 11, wherein seawater is pumped by the water supply pump 8 and then sequentially passes through the primary filter 9, the activated carbon filter 10, and the reverse osmosis membrane filter 11 to obtain fresh water, and the fresh water is transported into the aqueous solution electrolysis apparatus 4 by a transport pump.
The invention provides a hydrogen production system by utilizing offshore wind power, the offshore wind power does not occupy land resources, the energy is rich, the output is stable, the utilization rate is high, the system becomes a new direction of world wind power development, but the randomness, the fluctuation and the intermittence of the offshore wind power are easy to cause the phenomenon of wind abandoning and electricity limiting, the loss is caused, and the hydrogen production by electrolyzing water by adopting renewable energy resources and abandoning electricity can well solve the problems.
Hydrogen is taken as an ideal new energy source capable of being combusted, the calorific value of combustion of each kilogram of liquid hydrogen is 14.2 kilojoules, which is equal to 24 times of the calorific value of gasoline, and the hydrogen is combined with the oxidation in the air to generate steam which is condensed into water and a small amount of nitrogen oxide, so that the hydrogen cannot pollute the environment, and is a clean energy source capable of being regenerated and recycled. With the maturity of hydrogen production and hydrogen storage technology, the hydrogen energy is economically feasible and can be applied to the fields of aviation, aerospace, rockets, locomotives, automobiles, smelting, chemical engineering, power generation and the like, and the hydrogen energy.
Example two
The difference between the embodiment and the first embodiment is the desalination mode of the seawater desalination device 3.
As shown in fig. 4, the seawater desalination apparatus 3 of the present embodiment includes a vacuum tube solar collector 19, a hot water tank 20, a heat exchanger 21, a distillation apparatus, a flash tank, and a water pump 34, wherein the vacuum tube solar collector 19 is connected to the hot water tank 20, and an electric heating device is disposed on the hot water tank 20, so that water in the hot water tank 20 can be heated by electricity in the absence of the sun; the distillation device comprises a first distiller 22, a second distiller 23, a third distiller 24 and a fourth distiller 26; the water pump comprises a seawater inlet pump 29, a concentrated water discharge pump 32, a fresh water discharge pump 30, a hot water circulating pump 33 and a water pump 34; the heat exchanger 21 is connected with an inlet of a first distiller 22 in the distillation device, an outlet of the first distiller 22 is connected with an inlet of a second distiller 23, an outlet of the second distiller 23 is connected with an inlet of a third distiller 24, and an outlet of the third distiller 24 is connected with an inlet of a fourth distiller 26.
The fourth distiller 26 is respectively connected with a concentrated water tank 31 and a fresh water tank 38, the first flash tank 25 is connected with the second flash tank 27 in series, the second flash tank 27 is connected with the fresh water tank 38, the fresh water tank 38 is connected with a fresh water drain pipe through a fresh water drainage pump 30, and the condenser 28 is connected with a seawater inlet pump 29.
The seawater enters a second distiller 23 through a first distiller 22, a part of the seawater enters a first flash tank 25 through the second distiller 23, a part of the seawater enters a third distiller 24 without being evaporated, the seawater is further desalinated through the third distiller 24, a part of the seawater enters a second flash tank 27 after being evaporated, a part of the seawater enters a fourth distiller 26 without being evaporated, the seawater is further desalinated through the fourth distiller 26, the evaporated part enters a condenser 28, the seawater enters a fresh water tank 38 through the condenser 28, the unevaporated part enters the fresh water tank 38, a part of the seawater enters a concentrated water tank 31, the seawater entering the concentrated water tank 31 enters a hot water circulating pump 33 through a concentrated water discharging pump 32 and returns to a heat exchanger 21 for heat exchange.
EXAMPLE III
The difference between the embodiment and the first and second embodiments is that a lifting electric push rod 35 is fixed on the offshore platform 7, a coarse filter cage 37 is fixed on the push rod of the lifting electric push rod 35, the coarse filter cage 37 is equivalent to a plurality of filter holes on the side wall of a box, and the coarse filter cage 37 is placed in the water inlet of the water supply pump 8, so that larger floating objects in seawater can be filtered; in addition, a cleaning spray head 36 is fixed on the lifting electric push rod 35, the rough filter cage 37 is driven to leave the sea surface through the lifting electric push rod 35, then seawater is input into the cleaning spray head 36 through a pump, and the cleaning spray head 36 cleans floating objects adhered to the outer wall of the rough filter cage 37 from the sprayed water.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes, modifications, equivalents, and improvements can be made without departing from the spirit and scope of the invention.
Claims (7)
1. A hydrogen production system utilizing offshore wind power is characterized in that: comprises that
The electricity of the wind power hydrogen production system is provided by the wind power generation device;
the water solution electrolysis device electrolyzes water into hydrogen and oxygen, and comprises an electrolysis bath and a diaphragm arranged in the electrolysis bath, wherein the diaphragm divides the electrolysis bath into an anode chamber and a cathode chamber, an anode electrode is arranged in the anode chamber, a cathode electrode is arranged in the cathode chamber, and a hydrogen outlet pipe is arranged on the electrolysis bath and is connected with a hydrogen storage device;
and the hydrogen storage device is used for storing the hydrogen generated by the aqueous solution electrolysis device.
2. The system for producing hydrogen by offshore wind power as claimed in claim 1, wherein: the seawater desalination device purifies seawater into fresh water, the seawater desalination device comprises a water supply pump, an activated carbon filter and a reverse osmosis membrane filter, the seawater is pumped by the water supply pump and then sequentially passes through the activated carbon filter and the reverse osmosis membrane filter to obtain the fresh water, and the fresh water is conveyed into the aqueous solution electrolysis device through the conveying pump.
3. The system for producing hydrogen by offshore wind power as claimed in claim 1, wherein: and a hydrogen compressor is connected between the hydrogen outlet pipe and the hydrogen storage device.
4. The system for producing hydrogen by offshore wind power as claimed in claim 1, wherein: the wind power generation device comprises a wind turbine generator and a transformer station and generates power through wind power.
5. The system for producing hydrogen by offshore wind power as claimed in claim 1, wherein: the system also comprises an offshore platform, wherein the wind power generation device, the aqueous solution electrolysis device and the hydrogen storage device are all arranged on the offshore platform.
6. The system for producing hydrogen by offshore wind power as claimed in claim 2, wherein: the seawater desalination device also comprises a coarse filter cage placed in seawater, and a water inlet of the water supply pump is placed in the coarse filter cage.
7. The offshore wind power hydrogen production system according to claim 6, wherein: still include lift electric putter, lift electric putter is used for driving the coarse filtration cage and reciprocates, is fixed with the clearance shower nozzle on the lift electric putter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121603790.4U CN215163199U (en) | 2021-07-15 | 2021-07-15 | Hydrogen production system utilizing offshore wind power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121603790.4U CN215163199U (en) | 2021-07-15 | 2021-07-15 | Hydrogen production system utilizing offshore wind power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215163199U true CN215163199U (en) | 2021-12-14 |
Family
ID=79394976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121603790.4U Expired - Fee Related CN215163199U (en) | 2021-07-15 | 2021-07-15 | Hydrogen production system utilizing offshore wind power |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215163199U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114263568A (en) * | 2022-03-03 | 2022-04-01 | 武汉新能源研究院有限公司 | Offshore wind power energy storage system |
| CN114909871A (en) * | 2022-04-22 | 2022-08-16 | 湖南大学 | Method and device for preparing liquid hydrogen by offshore off-grid superconducting wind power |
| CN114990577A (en) * | 2022-06-23 | 2022-09-02 | 青岛中石大新能源科技有限公司 | New energy seawater hydrogen production device and method |
-
2021
- 2021-07-15 CN CN202121603790.4U patent/CN215163199U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114263568A (en) * | 2022-03-03 | 2022-04-01 | 武汉新能源研究院有限公司 | Offshore wind power energy storage system |
| CN114909871A (en) * | 2022-04-22 | 2022-08-16 | 湖南大学 | Method and device for preparing liquid hydrogen by offshore off-grid superconducting wind power |
| CN114990577A (en) * | 2022-06-23 | 2022-09-02 | 青岛中石大新能源科技有限公司 | New energy seawater hydrogen production device and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215163199U (en) | Hydrogen production system utilizing offshore wind power | |
| US10340693B2 (en) | Systems and methods for generating energy using a hydrogen cycle | |
| CN104145420B (en) | Renewable energy system | |
| CN107893237B (en) | Hydrogenation stations based on high-temperature electrolysis vapor hydrogen producing technology | |
| CN107059042A (en) | A kind of thermal power plant's electric power passes through electrolytic cell hydrogen generating system | |
| CN113279001B (en) | Wind, light, electricity and hydrogen storage integrated combined system for directly electrolyzing seawater to prepare hydrogen and oxygen | |
| CN114142791B (en) | Multi-energy complementary all-weather light-heat-electricity combined supply system for ship | |
| TW201738460A (en) | Sea water electrolysis hydrogen recovery and power generating system | |
| CN112593249A (en) | New energy hydrogen production platform | |
| CN112572743A (en) | Low-temperature fuel cell hybrid multi-energy power system for producing hydrogen by using solar energy | |
| CN216107246U (en) | Light and wind power generation coupled water electrolysis hydrogen production natural balance ecological system | |
| CN111592064A (en) | Sea island water hydrogen power cycle energy composite supply system based on multi-energy complementation | |
| CN102376999A (en) | Solar energy storage system with coupled photo(electro)chemical cell and fuel cell | |
| CN214607975U (en) | Novel floating ocean platform with self-sufficient energy and fresh water | |
| CN114263568A (en) | Offshore wind power energy storage system | |
| CN106143825B (en) | Offshore floating type water-electricity cogeneration platform | |
| CN112796722A (en) | System for offshore oil field steam thermal power exploitation by using wind power and photovoltaic | |
| CN112963212A (en) | Low-carbon energy utilization system for oil field steam-electricity cogeneration | |
| US20230341180A1 (en) | Method and device for manufacturing liquid hydrogen by offshore off-grid superconducting wind turbine | |
| CN113060883A (en) | Wind, light, heat and hydrogen storage integrated renewable energy seawater desalination system | |
| Nurjanah et al. | Reverse osmosis integrated with renewable energy as sustainable technology: A review | |
| CN208546202U (en) | Accumulation of energy ORC hydrogen generating system | |
| CN212838198U (en) | Hot-melt salt heat storage ocean temperature difference energy-solar energy combined hydrogen energy production system | |
| CN215256355U (en) | Low-carbon energy utilization system for oil field steam-electricity cogeneration | |
| CN108275738A (en) | MVR seawater desalination systems based on generation of electricity by new energy |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211214 |