Floating type offshore wind, light and hydrogen storage integrated platform based on bismuth-based photoelectric material

Abstract

The utility model discloses a floating type offshore wind and light hydrogen storage integrated platform based on bismuth-based photoelectric materials, which belongs to the technical field of hydrogen production and comprises a floating body platform, a plurality of steel anchor cables are fixedly connected to the outer edge of the bottom end of the floating body platform at equal intervals, and a circular opening is formed in the middle of the floating body platform. A hydrogen collecting mechanism, a photoelectric hydrogen production mechanism, a wind generating set and a water pump are sequentially assembled in the circular opening from top to bottom, and the wind generating end of the wind generating set sequentially penetrates through the photoelectric hydrogen production mechanism and the hydrogen collecting mechanism to extend to the position above the floating body platform; the device comprises a floating body platform, a wind generating set, a solar photovoltaic module, an electrical control cabinet, a water pump, a hydrogen production mechanism, a hydrogen collection mechanism, a hydrogen energy compressor and a hydrogen storage tank, and the floating body platform is fixed by a plurality of steel anchor cables, so that the floating body platform has the function of moving on the sea level according to ocean current and wind power conditions; and the hydrogen production conversion efficiency of marine resources can be improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of hydrogen production, and specifically relates to a floating offshore wind-solar-hydrogen storage integrated platform based on bismuth-based photoelectric materials. Background Art

[0002] Hydrogen energy is an important energy storage medium with high energy density and no pollution. It can achieve large-scale, cross-season, cross-time and cross-regional energy storage, and can become an effective way to promote the consumption of renewable energy.

[0003] The world's offshore resources are abundant, and hydrogen production from offshore resources is a future hydrogen source solution that is extremely suitable for large-scale deployment. Therefore, it is of great significance to explore the development model of hydrogen production from offshore resources.

[0004] At present, hydrogen production from offshore resources is generally achieved through fixed-pile offshore resource hydrogen production platforms. This platform cannot move at sea level according to ocean currents and wind conditions, which reduces the hydrogen production conversion efficiency of offshore resources. Utility Model Content

[0005] To solve the problems raised in the above background technology, the utility model provides a floating offshore wind-solar-hydrogen storage integrated platform based on bismuth-based photovoltaic materials, which has the function of moving at sea level according to ocean currents and wind conditions, and can improve the hydrogen production conversion efficiency of offshore resources.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a floating offshore wind-solar-hydrogen storage integrated platform based on bismuth-based photovoltaic materials, comprising: a floating platform, a plurality of steel anchor cables are fixedly connected at equal intervals to the outer edge of the bottom end of the floating platform, a circular opening is opened in the middle of the floating platform, and a hydrogen collection mechanism, a photovoltaic hydrogen production mechanism, a wind turbine and a water pump are sequentially installed inside the circular opening from top to bottom. The wind power generation end of the wind turbine sequentially penetrates the photovoltaic hydrogen production mechanism and the hydrogen collection mechanism and extends to the top of the floating platform. There is a spacing between the installation end of the wind turbine and the circular opening. The seawater pumped in by the water pump can contact the photoelectric hydrogen production mechanism. Three assembly platforms are opened on the outer wall of the floating platform at equal intervals along the circumferential direction. An electrical control cabinet is fixedly connected inside the assembly platform. A hydrogen compressor is fixedly connected to the top of the electrical control cabinet. A plurality of hydrogen storage tanks and solar photovoltaic modules are fixedly connected to the top of the floating platform at equal intervals along the circumferential direction from close to to far from the circular opening side. The photoelectric hydrogen production mechanism, wind turbine, water pump, hydrogen compressor and solar photovoltaic module are electrically connected to the electrical control cabinet, the hydrogen collection mechanism is connected to the hydrogen compressor, and the hydrogen compressor is connected to the hydrogen storage tank.

[0007] Furthermore, the floating platform is made of ultra-high performance concrete.

[0008] Furthermore, the hydrogen collection mechanism includes an air collecting pipe fixedly connected to the inner wall of the circular opening, the air collecting pipe is connected to the hydrogen compressor, a gas collecting hood is fixedly connected to the bottom of the air collecting pipe, and the wind power generation end of the wind turbine generator set extends through the air collecting pipe to above the floating platform.

[0009] Furthermore, the photoelectric hydrogen production mechanism includes a mounting platform fixedly connected to the inner wall of the circular opening, an anode electrode fixedly connected to one side of the mounting platform, and a cathode electrode fixedly connected to the other side of the mounting platform, the top ends of the anode electrode and the cathode electrode penetrate the mounting platform and extend upward, the bottom ends of the anode electrode and the cathode electrode penetrate the mounting platform and extend downward so as to be in contact with seawater pumped in by a water pump, the anode electrode is made of a bismuth-based photocatalyst, the anode electrode and the cathode electrode are electrically connected and have a bias, the anode electrode and the cathode electrode are electrically connected to an electrical control cabinet, the wind power generation end of the wind turbine generator set penetrates the gas collecting pipe and extends to above the floating platform, and the gas collecting hood is located above the anode electrode.

[0010] Furthermore, a staircase is fixedly connected inside the assembly platform away from the hydrogen compressor side.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. The utility model is composed of a floating platform, a wind turbine generator set, a solar photovoltaic module, an electrical control cabinet, a water pump, a hydrogen production mechanism, a hydrogen collection mechanism, a hydrogen compressor and a hydrogen storage tank. The floating platform is fixed by a plurality of steel anchor cables, so that the floating platform has the function of moving at sea level according to the ocean current and wind conditions, and can improve the hydrogen production conversion efficiency of offshore resources.

[0013] 2. The utility model is composed of a floating platform, a wind turbine generator set, a solar photovoltaic module, an electrical control cabinet, a water pump, a hydrogen production mechanism, a hydrogen collection mechanism, a hydrogen compressor and a hydrogen storage tank. It can integrate multiple energy conversion methods such as wind power generation, photovoltaic power generation and photoelectric water splitting to produce hydrogen, and can achieve the acquisition of hydrogen energy without the need for seawater desalination. It can greatly reduce the energy conversion efficiency and save electricity. At the same time, it can effectively solve the problem of power abandonment in offshore wind and solar power stations and realize the comprehensive and efficient utilization of clean energy. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a side view of the utility model;

[0015] Figure 2 It is a top view of the utility model;

[0016] In the figure: 1. Wind turbine generator set; 2. Stairs; 3. Steel anchor cable; 4. Floating platform; 5. Pump; 6. Assembly platform; 7. Hydrogen storage tank; 8. Anode; 9. Installation platform; 10. Gas collecting pipe; 11. Electrical control cabinet; 12. Cathodic electrode; 13. Solar photovoltaic module; 14. Hydrogen compressor; 15. Gas collecting hood. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] See also Figure 1-2 The utility model provides the following technical solutions: a floating offshore wind-solar-hydrogen storage integrated platform based on bismuth-based photovoltaic materials, comprising: a floating platform 4, a plurality of steel anchor cables 3 are fixedly connected at equal intervals to the outer edge of the bottom end of the floating platform 4, a circular opening is opened in the middle of the floating platform 4, and a hydrogen collection mechanism, a photovoltaic hydrogen production mechanism, a wind turbine 1 and a pump 5 are sequentially installed inside the circular opening from top to bottom. The wind power generation end of the wind turbine 1 sequentially passes through the photovoltaic hydrogen production mechanism and the hydrogen collection mechanism and extends to the top of the floating platform 4. There is a distance between the installation end of the wind turbine 1 and the circular opening. The seawater pumped in by the pump 5 can The outer wall of the floating platform 4 is provided with three assembly platforms 6 at equal intervals along the circumferential direction, an electrical control cabinet 11 is fixedly connected inside the assembly platform 6, a hydrogen compressor 14 is fixedly connected to the top of the electrical control cabinet 11, and a plurality of hydrogen storage tanks 7 and solar photovoltaic modules 13 are fixedly connected to the top of the floating platform 4 at equal intervals along the circumferential direction from close to the circular opening to far away from the circular opening. The photovoltaic hydrogen production mechanism, the wind turbine 1, the water pump 5, the hydrogen compressor 14 and the solar photovoltaic module 13 are electrically connected to the electrical control cabinet 11, the hydrogen collection mechanism is connected to the hydrogen compressor 14, and the hydrogen compressor 14 is connected to the hydrogen storage tank 7.

[0019] The wind turbine 1 generates electricity through wind power generation, and the solar photovoltaic module 13 generates electricity through solar power generation. The generated electricity is output to the electrical control cabinet 11, and the electrical control cabinet 11 supplies power to the platform. The water pump 5 pumps seawater from bottom to top into the circular opening of the floating platform 4, and the photoelectric hydrogen production mechanism starts to produce hydrogen through photoelectric water electrolysis. The produced hydrogen enters the hydrogen compressor 14 through the hydrogen collection mechanism, and the hydrogen compressor 14 compresses the low-pressure hydrogen into high-pressure hydrogen. The high-pressure hydrogen is transported to the hydrogen storage tank 7 for storage and waits for processing.

[0020] Specifically, the floating platform 4 is made of ultra-high performance concrete.

[0021] The floating platform 4 made of ultra-high performance concrete has the characteristics of light density and low cost, and is suitable for building a large floating offshore platform.

[0022] Specifically, the hydrogen collection mechanism includes an air collecting pipe 10 fixedly connected to the inner wall of the circular opening, the air collecting pipe 10 is connected to the hydrogen compressor 14, a gas collecting cover 15 is fixedly connected to the bottom of the air collecting pipe 10, and the wind power generation end of the wind turbine 1 extends through the air collecting pipe 10 to above the floating platform 4.

[0023] The hydrogen collecting mechanism collects hydrogen through the gas collecting hood 15, and the collected hydrogen enters into a plurality of hydrogen compressors 14 through the gas collecting pipe 10 for compression.

[0024] Specifically, the photoelectric hydrogen production mechanism includes a mounting platform 9 fixedly connected to the inner wall of the circular opening, an anode electrode 8 is fixedly connected to one side of the mounting platform 9, and a cathode electrode 12 is fixedly connected to the other side of the mounting platform 9, the top ends of the anode electrode 8 and the cathode electrode 12 penetrate the mounting platform 9 and extend upward, the bottom ends of the anode electrode 8 and the cathode electrode 12 penetrate the mounting platform 9 and extend downward so as to be in contact with the seawater pumped into the water pump 5, the anode electrode 8 is made of a bismuth-based photocatalyst, the anode electrode 8 is electrically connected to the cathode electrode 12 and has a bias, the anode electrode 8 and the cathode electrode 12 are electrically connected to the electrical control cabinet 11, the wind power generation end of the wind turbine 1 penetrates the gas collecting pipe 10 and extends to above the floating platform 4, and the gas collecting hood 15 is located above the anode electrode 8.

[0025] The photoelectric hydrogen production mechanism absorbs solar energy through the anode 8, and the valence band electrons jump to the conduction band to generate photogenerated electrons and holes. The electrons and holes migrate to the surface of the anode 8 and undergo redox reactions with the seawater in the circular opening to generate hydrogen, thus completing the photoelectric hydrogen production.

[0026] Specifically, a staircase 2 is fixedly connected to the inside of the assembly platform 6 away from the hydrogen compressor 14 .

[0027] Staircase 2 can facilitate the staff to inspect the equipment on the platform.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A floating offshore wind-solar-hydrogen storage integrated platform based on bismuth-based photovoltaic materials, characterized in that: include: A floating platform (4), wherein a plurality of steel anchor cables (3) are fixedly connected at equal intervals to the outer edge of the bottom end of the floating platform (4), a circular opening is provided in the middle of the floating platform (4), and a hydrogen collection mechanism, a photovoltaic hydrogen production mechanism, a wind turbine generator set (1) and a water pump (5) are sequentially installed inside the circular opening from top to bottom, the wind power generation end of the wind turbine generator set (1) sequentially passes through the photovoltaic hydrogen production mechanism and the hydrogen collection mechanism and extends to the top of the floating platform (4), there is a distance between the installation end of the wind turbine generator set (1) and the circular opening, the seawater pumped in by the water pump (5) can contact the photovoltaic hydrogen production mechanism, and the outer wall of the floating platform (4) is circumferentially and evenly spaced. Three assembly platforms (6) are provided, wherein an electrical control cabinet (11) is fixedly connected inside the assembly platform (6), a hydrogen compressor (14) is fixedly connected to the top of the electrical control cabinet (11), a plurality of hydrogen storage tanks (7) and solar photovoltaic modules (13) are fixedly connected to the top of the floating platform (4) at equal intervals along the circumferential direction from close to the circular opening side to far away from the circular opening side, a photovoltaic hydrogen production mechanism, a wind turbine generator set (1), a water pump (5), a hydrogen compressor (14) and a solar photovoltaic module (13) are electrically connected to the electrical control cabinet (11), a hydrogen collection mechanism is connected to the hydrogen compressor (14), and the hydrogen compressor (14) is connected to the hydrogen storage tank (7).

2. The floating offshore wind-solar-hydrogen storage integrated platform based on bismuth-based photovoltaic materials according to claim 1 is characterized in that: The floating platform (4) is made of ultra-high performance concrete.

3. The floating offshore wind-solar-hydrogen storage integrated platform based on bismuth-based photovoltaic materials according to claim 1 is characterized in that: The hydrogen collection mechanism comprises an air collecting pipe (10) fixedly connected to the inner wall of the circular opening, the air collecting pipe (10) being connected to a hydrogen compressor (14), a gas collecting cover (15) being fixedly connected to the bottom end of the air collecting pipe (10), and a wind power generation end of the wind turbine generator set (1) extending through the air collecting pipe (10) to above the floating platform (4).

4. The floating offshore wind-solar-hydrogen storage integrated platform based on bismuth-based photovoltaic materials according to claim 3 is characterized by: The photoelectric hydrogen production mechanism comprises a mounting platform (9) fixedly connected to the inner wall of the circular opening, an anode electrode (8) fixedly connected to one side of the mounting platform (9), and a cathode electrode (12) fixedly connected to the other side of the mounting platform (9), the top ends of the anode electrode (8) and the cathode electrode (12) penetrate the mounting platform (9) and extend upward, the bottom ends of the anode electrode (8) and the cathode electrode (12) penetrate the mounting platform (9) and extend downward so as to be in contact with seawater pumped in by a water pump (5), the anode electrode (8) is made of a bismuth-based photocatalyst, the anode electrode (8) and the cathode electrode (12) are electrically connected and have a bias voltage, the anode electrode (8) and the cathode electrode (12) are electrically connected to an electrical control cabinet (11), the wind power generation end of the wind turbine generator set (1) penetrates the gas collecting pipe (10) and extends to above the floating platform (4), and the gas collecting cover (15) is located above the anode electrode (8).

5. The floating offshore wind-solar-hydrogen storage integrated platform based on bismuth-based photovoltaic materials according to claim 1 is characterized in that: A staircase (2) is fixedly connected to the inside of the assembly platform (6) on the side away from the hydrogen compressor (14).

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