CN113088992A - Global offshore wind and light energy coupling hydrogen production system - Google Patents
Global offshore wind and light energy coupling hydrogen production system Download PDFInfo
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- CN113088992A CN113088992A CN202110475028.0A CN202110475028A CN113088992A CN 113088992 A CN113088992 A CN 113088992A CN 202110475028 A CN202110475028 A CN 202110475028A CN 113088992 A CN113088992 A CN 113088992A
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/02—Hydrogen or oxygen
- C25B1/04—Hydrogen or oxygen by electrolysis of water
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B15/00—Operating or servicing cells
- C25B15/02—Process control or regulation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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
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- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Abstract
The invention discloses a global offshore wind and light energy coupling hydrogen production system, which comprises a wind driven generator, a solar cell panel, a wind and light energy coupling output power supply, a multi-module type electrolytic tank, a hydrogen float storage tank and an oxygen float storage tank, wherein the wind driven generator is connected with the solar cell panel; the output end of the wind driven generator and the output end of the solar cell panel are connected with the input end of the wind-solar energy coupling output power supply, the output end of the wind-solar energy coupling output power supply is connected with an electrolytic cell electrode in the multi-module electrolytic cell, a hydrogen outlet of the multi-module electrolytic cell is communicated with an inlet of the hydrogen floater storage tank, and an oxygen outlet of the multi-module electrolytic cell is communicated with an inlet of the oxygen floater storage tank.
Description
Technical Field
The invention relates to a hydrogen production system, in particular to a global offshore wind and light energy coupling hydrogen production system.
Background
China is the first carbon-emitting country in the world, occupies 27.2% of the carbon emission in the world, and the development of large-scale wind power, photovoltaic and other new energy power generation is a necessary way to honor the promise of carbon peak reaching and carbon neutralization. In recent years, offshore wind power and photovoltaic power stations develop rapidly, and a plurality of commercial units are connected to the grid and put into production. The power generated by the wind power station and the photovoltaic power station depends on submarine cable transmission, so that the wind power station and the photovoltaic power station can only be built in offshore areas. In a comprehensive view, the offshore new energy power station is limited by the cable laying cost, can be only applied to offshore areas, and is difficult to utilize the vast wind and solar energy resources in the far sea and deep sea areas; considering factors such as port construction, seafood cultivation, ship entry and exit and the like, space limitation exists when offshore wind power and photovoltaic are developed in large area in offshore areas; finally, submarine cables are high in manufacturing cost, large in laying difficulty, difficult to overhaul and maintain, and endanger the safety of marine organisms once electric leakage occurs. Therefore, existing offshore type offshore new energy power stations have difficulty covering an ocean area occupying 71% of the earth's surface, have great potential to cut down global carbon emissions, and have not been effectively developed and utilized.
The hydrogen is the substance (142MJ/kg) with the highest specific mass energy density on the earth, the heat quantity after combustion of each kilogram of hydrogen is about 3 times of that of the gasoline with the same mass, 3.9 times of alcohol and 4.5 times of coke, and the hydrogen is one of important solutions for realizing green driving of automobiles, cities and industries in the future. The hydrogen fuel cell automobile Mirai of Toyota company is released in 2016, the generation is completed in 2021, and the endurance mileage of the second generation Mirai reaches 651km, which is obviously superior to that of the existing battery electric automobile. The development progress of hydrogen fuel cell automobiles is disclosed by domestic automobile enterprises such as great wall, Guangdong gas, Changan, Jinlong and the like, the first hydrogen fuel hybrid locomotive in China is also off-line in 2021 year, 2 month and 20 days, and the situation that railway equipment in China enters a global hydrogen energy application club is strongly boosted, so that the hydrogen energy demand is huge, the application range is wide, and if the hydrogen can be manufactured and supplied in a large scale and at low cost, the hydrogen plays an important role in reducing global carbon emission and effectively coping with climate warming crisis.
Wind energy and light energy on vast sea are inexhaustible and inexhaustible, if a highly integrated wind energy and photovoltaic power generation coupling hydrogen production system can be established, the system is scattered on the five oceans in a floating island platform mode, unattended full-automatic seawater electrolysis hydrogen production is realized, the production cost and the production efficiency have stronger market competitiveness, but similar disclosures are not given in the prior art.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a global offshore wind and light energy coupling hydrogen production system, which can realize the coupling of wind energy and light energy power generation and hydrogen production and simultaneously realize full-automatic seawater electrolysis hydrogen production.
In order to achieve the aim, the global offshore wind and light energy coupling hydrogen production system comprises a wind driven generator, a solar cell panel, a wind and light energy coupling output power supply, a multi-module type electrolytic tank, a hydrogen float storage tank and an oxygen float storage tank;
the output end of the wind driven generator and the output end of the solar cell panel are connected with the input end of the wind-solar energy coupling output power supply, the output end of the wind-solar energy coupling output power supply is connected with an electrolytic cell electrode in the multi-module electrolytic cell, a hydrogen outlet of the multi-module electrolytic cell is communicated with an inlet of the hydrogen float storage tank, and an oxygen outlet of the multi-module electrolytic cell is communicated with an inlet of the oxygen float storage tank.
The multi-module type electrolytic tank, the wind driven generator and the solar panel are all arranged on the buoyancy base, and the hydrogen floater storage tank and the oxygen floater storage tank are all arranged at the bottom of the buoyancy base and are immersed in seawater.
The device also comprises a control system and a detection system for detecting the output power of the wind-light energy coupling output power supply, wherein the control system is connected with the output end of the detection system and the control end of the multi-module type electrolytic tank.
The multi-module type electrolytic bath is characterized by further comprising a water feeding pipeline, wherein a water feeding pump is arranged on the water feeding pipeline, an outlet of the water feeding hanging pipeline is communicated with a water inlet of the multi-module type electrolytic bath, and a control end of the water feeding pump is connected with a control system.
A filter screen is arranged in the water supply pipeline.
A first barometer is arranged in the hydrogen float storage tank, a second barometer is arranged in the oxygen float storage tank, and the control system is connected with the output end of the first barometer and the output end of the second barometer.
The hydrogen float storage tank, the oxygen float storage tank and the electrode of the electrolytic cell are all made of corrosion-resistant materials.
The remote monitoring terminal is connected with the control system.
The invention has the following beneficial effects:
when the global offshore wind-light energy coupling hydrogen production system is in specific operation, alternating current output by the wind driven generator and direct current output by the solar panel are coupled and output through the wind-light energy coupling output power supply to drive the electrolysis bath electrodes to electrolyze seawater, wherein hydrogen generated by electrolysis of the multi-module electrolysis bath is stored in the hydrogen floater storage tank, and oxygen generated by the multi-module electrolysis bath is stored in the oxygen floater storage tank, so that the scheme of wind-light energy conversion and storage on site is realized.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Wherein, 1 is a hydrogen float storage tank, 2 is an oxygen float storage tank, 3 is an electrolytic cell electrode, 4 is a multi-module electrolytic cell, 5 is a wind-solar energy coupling output power supply, 6 is a wind driven generator, and 7 is a solar panel.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments, and are not intended to limit the scope of the present disclosure. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present disclosure. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
There is shown in the drawings a schematic block diagram of a disclosed embodiment in accordance with the invention. The figures are not drawn to scale, wherein certain details are exaggerated and possibly omitted for clarity of presentation. The shapes of various regions, layers and their relative sizes and positional relationships shown in the drawings are merely exemplary, and deviations may occur in practice due to manufacturing tolerances or technical limitations, and a person skilled in the art may additionally design regions/layers having different shapes, sizes, relative positions, according to actual needs.
Referring to fig. 1, the global offshore wind and light energy coupled hydrogen production system according to the present invention includes a detection system, a control system, a hydrogen float storage tank 1, an oxygen float storage tank 2, an electrolysis cell electrode 3, a multi-module electrolysis cell 4, a wind and light energy coupled output power supply 5, a wind power generator 6, and a solar panel 7.
The output end of the wind driven generator 6 and the output end of the solar cell panel 7 are connected with the input end of the wind-solar energy coupling output power supply 5, the output end of the wind-solar energy coupling output power supply 5 is connected with the electrolytic cell electrode 3 in the multi-module type electrolytic cell 4, the hydrogen outlet of the multi-module type electrolytic cell 4 is communicated with the inlet of the hydrogen float storage tank 1, and the oxygen outlet of the multi-module type electrolytic cell 4 is communicated with the inlet of the oxygen float storage tank 2.
Wherein, it should be noted that, the wind power generator 6 and the solar cell panel 7 are both arranged on the buoyancy base, the output power of the wind-solar energy coupling output power supply 5 is detected by the detection system, the opening number of the electrolysis modules in the multi-module electrolysis bath 4 is adjusted according to the output power of the wind-solar energy coupling output power supply 5, a first barometer is arranged in the hydrogen float storage tank 1, and a second barometer is arranged in the oxygen float storage tank 2, wherein the output end of the detection system, the output end of the first barometer and the output end of the second barometer are connected with the input end of the control system, and the output end of the control system is connected with the control end of the multi-module electrolysis bath 4.
In addition, the outlet of the water feeding pipeline is communicated with the inlet of the multi-module type electrolytic tank 4, a water feeding pump is arranged on the water feeding pipeline, the control end of the water feeding pump is connected with a control system, and a filter screen is arranged in the water feeding pipeline.
The hydrogen float storage tank 1 and the oxygen float storage tank 2 are both arranged at the bottom of the buoyancy base and are immersed in seawater to form a part of the floating island base, so that the space is not occupied, the weight is reduced, and an independent floating island type offshore hydrogen production station is constructed.
The wind driven generator 6 and the solar cell panel 7 are uniformly distributed on the buoyancy base, the offshore wind energy and light energy resources are rich, the wind driven generator 6 is driven to generate alternating current, the solar cell panel 7 is driven to generate direct current, and the two new energy electric powers change along with the illumination intensity and the wind power grade and have larger fluctuation, so that the electric energy output by the two wind driven generators 6 and the solar cell panel 7 needs to be coupled and output by using the wind and light energy coupling output power supply 5 to realize coupling output.
The stable direct current output by the wind-solar energy coupling output power supply 5 is transmitted to the electrolysis bath electrode 3, the electrolysis bath electrode 3 is inserted into the multi-module electrolysis bath 4, the electrolysis bath electrode 3 is made of corrosion-resistant materials in consideration of the corrosion effect of chloride ions in seawater, and the hydrogen float storage tank 1 and the oxygen float storage tank 2 are both made of corrosion-resistant materials. Due to the fluctuation of the power supply power, when the output power of the wind-solar energy coupling output power supply 5 is low, the electrifying quantity of the electrolysis modules is reduced, and when the output power of the wind-solar energy coupling output power supply 5 is high, the electrifying quantity of the electrolysis modules is increased, so that the electrified electrolysis modules can work normally, and the condition that the electrified electrolysis modules have insufficient electric quantity and can not meet the requirement of hydrogen production by electrolysis is avoided.
When the multi-module type electrolytic tank works, water is automatically fed into the multi-module type electrolytic tank 4 firstly, the water feeding pump is turned off after seawater reaches a proper liquid level, the wind power generator 6 and the solar cell panel 7 respectively work to generate power when the wind power or the sunlight intensity at sea meets the power generation requirement, and electric energy generated by the wind power generator 6 and the solar cell panel 7 is transmitted to the wind-solar energy coupling output power supply 5. In the wind-solar energy coupling output power supply 5, alternating current generated by a wind driven generator 6 is rectified into direct current, the direct current and direct current generated by a solar panel 7 cooperate to supply power for a multi-module type electrolytic tank 4, hydrogen generated by the multi-module type electrolytic tank 4 through electrolysis is stored in a hydrogen float storage tank 1, oxygen generated by the multi-module type electrolytic tank 4 is stored in an oxygen float storage tank 2, wherein when the air pressure in the hydrogen float storage tank 1 exceeds a preset pressure value or the air pressure in the oxygen float storage tank 2 exceeds a preset pressure value, the multi-module type electrolytic tank 4 stops working, and a warning signal is given out to inform a remote monitoring end, the oxygen float storage tank 2 and the hydrogen float storage tank 1 are retrieved through a transport ship, and new oxygen float storage tanks 2 and hydrogen float storage tanks 1 are installed.
Claims (8)
1. A global offshore wind and light energy coupling hydrogen production system is characterized by comprising a wind driven generator (6), a solar panel (7), a wind and light energy coupling output power supply (5), a multi-module type electrolytic tank (4), a hydrogen float storage tank (1) and an oxygen float storage tank (2);
the output end of the wind driven generator (6) and the output end of the solar panel (7) are connected with the input end of the wind-solar energy coupling output power supply (5), the output end of the wind-solar energy coupling output power supply (5) is connected with the electrolytic cell electrode (3) in the multi-module electrolytic cell (4), the hydrogen outlet of the multi-module electrolytic cell (4) is communicated with the inlet of the hydrogen float storage tank (1), and the oxygen outlet of the multi-module electrolytic cell (4) is communicated with the inlet of the oxygen float storage tank (2).
2. The global offshore wind and light energy coupling hydrogen production system according to claim 1, further comprising a buoyancy base, wherein the multi-module electrolyzer (4), the wind driven generator (6) and the solar panel (7) are all disposed on the buoyancy base, and the hydrogen float storage tank (1) and the oxygen float storage tank (2) are both mounted at the bottom of the buoyancy base and are immersed in seawater.
3. The global offshore wind and light energy coupled hydrogen production system according to claim 1, further comprising a control system and a detection system for detecting the output power of the wind and light energy coupled output power source (5), wherein the control system is connected with the output end of the detection system and the control end of the multi-module electrolyzer (4).
4. The global offshore wind and light energy coupling hydrogen production system according to claim 3, further comprising a water supply pipeline, wherein a water supply pump is arranged on the water supply pipeline, an outlet of the water supply hanging pipeline is communicated with a water inlet of the multi-module type electrolytic tank (4), and a control end of the water supply pump is connected with the control system.
5. The global offshore wind and light energy coupling hydrogen production system according to claim 4, wherein a filter screen is arranged in the water supply pipeline.
6. The global offshore wind and light energy coupling hydrogen production system according to claim 3, wherein a first barometer is arranged in the hydrogen float storage tank (1), a second barometer is arranged in the oxygen float storage tank (2), and the control system is connected with the output ends of the first barometer and the second barometer.
7. The global offshore wind and light energy coupling hydrogen production system according to claim 1, wherein the hydrogen float storage tank (1), the oxygen float storage tank (2) and the electrolysis bath electrode (3) are made of corrosion-resistant materials.
8. The global offshore wind and light energy coupling hydrogen production system according to claim 3, further comprising a remote monitoring end connected with the control system.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110475028.0A CN113088992A (en) | 2021-04-29 | 2021-04-29 | Global offshore wind and light energy coupling hydrogen production system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110475028.0A CN113088992A (en) | 2021-04-29 | 2021-04-29 | Global offshore wind and light energy coupling hydrogen production system |
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| CN113088992A true CN113088992A (en) | 2021-07-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024017633A1 (en) * | 2022-07-21 | 2024-01-25 | Siemens Energy Global GmbH & Co. KG | Electrolysis system |
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2021
- 2021-04-29 CN CN202110475028.0A patent/CN113088992A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024017633A1 (en) * | 2022-07-21 | 2024-01-25 | Siemens Energy Global GmbH & Co. KG | Electrolysis system |
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