Hydrogen production platform combining floating offshore wind and wave power

Abstract

The present application relates to a kind of floating offshore wind and wave combined power generation hydrogen production platform, floating foundation includes the platform deck of triangle and is installed below one mooring side column, two wind turbine side columns;Mooring side column below installation tensioning type single point mooring system;Wind turbine side column is hollow design inside, and is equipped with ballast water system;Platform deck below installation several oscillating float type wave energy power generation device;Triangular diagonal bracing type tower is set above platform deck, for installing downwind wind turbine system;Downwind wind turbine system is located above wind turbine side column;Water electrolysis hydrogen production system and rectification and power storage device are arranged on platform deck;Rectification and power storage device carry out rectification and storage to wind power and wave energy power generation, and power supply for water electrolysis hydrogen production system.The present application uses seawater electrolysis hydrogen in situ consumption wind power and wave energy power generation, effectively avoids the problem of abandoned wind, abandoned electricity, also can solve the increasing demand of hydrogen energy;Lightweight floating foundation is used, and construction cost is reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of ocean renewable energy development and utilization, and particularly relates to a wind energy-wave energy coupling complementary power generation hydrogen production platform. BACKGROUND

[0002] Hydrogen energy has the advantages of high energy density, recyclability and green environmental protection, and has become the main direction of new energy industry development in various countries in the world. However, the current global hydrogen production raw materials are still mainly fossil fuels, the main reason is that the cost of water electrolysis hydrogen production is too high. The traditional hydrogen production method does not solve the problem of carbon emission, therefore, using offshore renewable energy to electrolyze water to produce hydrogen is a feasible way to realize zero emission of hydrogen energy industry chain.

[0003] Wind power generation is the most mature renewable energy at present, in 2021, the newly added wind power capacity in China accounted for more than half of the total amount of all newly added renewable energy power generation. However, under the background of rapid development of wind power in China at present, a large amount of wind power cannot be connected to the grid, and the problem of serious wind and electricity abandonment occurs. At the same time, with the gradual saturation of offshore sites, the trend of China's offshore wind power development from offshore shallow sea to deep sea has formed, and the development of floating offshore wind power provides a wider development space for future offshore wind power, which is widely considered as the key means to solve the problem of large-scale preparation of deep-sea floating wind power and green hydrogen. According to market research, the cost of fixed offshore wind power is much higher than that of thermal power, and the cost of floating offshore wind power is even higher, the essential reason of which is the high platform construction cost. Therefore, the consumption problem of offshore wind power and the cost reduction and efficiency increase of platform design are the key challenges in the field of offshore wind power.

[0004] In the prior art, the wind turbine generator set is mainly an upwind system, and a servo module is used for active yawing to wind, which does not combine with other structural forms to get rid of the dependence on servo control. The wind turbine tower structure is mainly a vertical tower drum, and the tower foundation of this kind of tower is easy to be subjected to large shear force and bending moment under the action of wind force, thereby affecting the fatigue performance. This increases the operation and maintenance cost of the floating platform to some extent. SUMMARY

[0005] The technical problem to be solved by the present application is to solve the problems of wind power abandonment and electricity abandonment, high cost of building a floating power generation platform, wind regulation and control of a fan blade relying on a servo system, and unreasonable stress of a fan system tower foundation in the prior art, and provide a floating offshore wind and wave combined power generation hydrogen production platform.

[0006] The technical scheme adopted by the present application to solve the above technical problems is:

[0007] The floating offshore wind and wave combined power generation hydrogen production platform comprises a floating foundation, a tensioned single-point mooring system, an array type wave energy power generation system, a triangular inclined strut type tower, a downwind fan system, a water electrolysis hydrogen production system and a rectification and power storage device.

[0008] The floating foundation comprises a triangular platform deck, a mooring side column and two fan side columns installed below the platform deck; the tensioned single-point mooring system is installed below the mooring side column; the two fan side columns are designed to be hollow and are equipped with a ballast water system for adjusting the position of the platform gravity center and cooperating with the tensioned single-point mooring system to realize the stable balance of the whole platform; the array type wave energy power generation system comprises a plurality of oscillating buoy type wave energy power generation devices installed below the platform deck; the triangular inclined strut type tower is arranged above the platform deck and is used for installing the downwind fan system; the triangular inclined strut type tower comprises a main inclined strut and two auxiliary inclined struts; the bottom end of the main inclined strut is connected with the mooring side column, and the top end is connected with a fan cabin; the bottom ends of the two auxiliary inclined struts are respectively connected with the two fan side columns, and the top ends are connected with the fan cabin; the downwind fan system comprises the fan cabin and fan blades, and is located above the two fan side columns; the water electrolysis hydrogen production system and the rectification and power storage device are arranged on the platform deck; the rectification and power storage device rectifies and stores wind power and wave energy power generation, and supplies power to the water electrolysis hydrogen production system.

[0009] In the scheme, the tension type single point mooring system comprises, from top to bottom, a rotary sealing joint, a rotary table, a tension type anchor chain and an underwater fixed base plate; the rotary sealing joint is connected with the bottom of the mooring side column, and the lower part of the rotary sealing joint is connected with the rotary table, and the mooring side column can rotate around the 360° horizontal axis; the rotary table edge is provided with a plurality of tension type anchor chains, and the bottom end of the tension type anchor chain is connected with the underwater fixed base plate, and the underwater fixed base plate is fixed to the seabed, and the tension type anchor chain can provide sufficient tension to balance the buoyancy generated by the platform itself.

[0010] In the scheme, the array type wave energy power generation system comprises six oscillating buoy type wave energy power generation devices, which are distributed in a triangular array, and the upper end of each oscillating buoy type wave energy power generation device is connected with the platform deck through a support rod.

[0011] In the scheme, the water electrolysis hydrogen production system comprises, in sequence, a seawater extraction device, a seawater desalination and water electrolysis hydrogen production device, a separation and purification device, and a compression and energy storage equipment; the seawater extraction device sends seawater into the seawater desalination and water electrolysis hydrogen production device, in which the seawater is desalted to produce fresh water, which is then sent into an electrolytic water tank to separate the fresh water into oxygen and hydrogen, and then the raw gas with lower purity is sent into the separation and purification device to purify the hydrogen, and finally the prepared hydrogen is stored by using the compression and energy storage equipment.

[0012] In the scheme, the separation and purification device uses the principle of pressure swing adsorption to send the raw gas into the adsorbent bed layer, and the remaining components other than hydrogen are selectively adsorbed by the adsorbent as impurities, while the hydrogen with the lowest boiling point and the highest volatility is not adsorbed and leaves the adsorption bed with a purity of more than 99%, so as to achieve the purpose of separation from other impurities.

[0013] In the scheme, the platform deck is an equilateral triangle, and the three columns are respectively located at the three vertices of the equilateral triangle.

[0014] In the scheme, the two fan side columns are symmetrically arranged on the left and right sides of the fan, and the fan side column adopts a multi-section cylindrical and circular table alternating interembedding structure.

[0015] In the scheme, the bottom of the fan side column is provided with a circular heaving plate for reducing the overall heaving motion response of the platform.

[0016] In the scheme, the mooring side column and the fan side column are connected by a plurality of cross braces at the upper end and the lower end of the adjacent columns, and are reinforced by diagonal braces.

[0017] In the scheme, the upper end of the mooring side column is also provided with an observation platform, which can monitor the information of the surrounding sea area, so as to realize real-time prediction of the workable window of the floating offshore wind and wave combined power generation and hydrogen production platform.

[0018] The beneficial effects of this invention are as follows:

[0019] 1. This invention is a coupled and complementary hydrogen production platform that combines a tensioned single-point moored floating platform with a downwind wind turbine and an array-type wave energy power generation device. It uses seawater electrolysis to produce hydrogen and consume wind and wave energy on-site, effectively avoiding the problems of wind and electricity curtailment, and effectively improving the utilization efficiency of marine renewable energy. While achieving cost reduction and efficiency improvement in the development of marine renewable energy, it can also solve the growing demand for hydrogen energy.

[0020] 2. This invention employs a lightweight floating foundation. By hollowing out multiple structures of the platform and using a truss design, it becomes lighter and reduces construction costs. The truss structure serves as support, ensuring the platform's structural safety. An adjustable buoy ballast water system ensures the stability of the platform's center of gravity. Additionally, two internal heave plates are deployed at the stern of the platform to reduce the heave motion of the lightweight platform. The triangular buoy foundation arrangement effectively enhances the weathervane effect.

[0021] 3. This invention employs a tensioned single-point mooring system. Due to the asymmetrical longitudinal design of the floating platform, the platform's center of gravity and center of buoyancy are not on the same vertical line. Therefore, this invention uses a tensioned mooring system positioned at one end of the platform to achieve torque balance between the platform's gravity, buoyancy, and mooring tension, thereby achieving stability. This allows for a lightweight overall platform structure while ensuring the floating platform's motion performance. Furthermore, the single-point swivel mooring system enables the platform to better coordinate with downwind wind turbines, enhancing the wind vane effect and allowing the platform to passively engage with the wind, thus saving on control costs.

[0022] 4. The present invention adopts a downwind fan system. Compared with the traditional upwind fan system, the fan blades can rotate in the direction of the wind, and the fan is arranged at the tail of the platform to enhance the wind vane effect, so that the floating platform can automatically yaw and align with the wind, saving control costs.

[0023] 5. This invention employs a triangular braced tower, replacing the traditional single vertical tower with three braced towers, saving costs. Two supporting towers are located at the rear of the platform, and one main tower is located at the front. While sacrificing some turbine height, this design converts most of the bending moment into tension on the main tower, significantly improving the stress distribution of the platform structure and providing a certain level of typhoon resistance. Furthermore, the braced tower system can also reduce the "tower shadow effect" caused by the tower interfering with the airflow over the blades, minimizing performance loss.

[0024] 6、The wave energy oscillating buoy power generation system is adopted, the wave energy buoy array is arranged at the lower portion of the floating hydrogen production platform, the vertical motion damping can be provided for the hydrogen production platform, the amplitude of the vertical oscillation motion is effectively reduced, the safety and operation of the light weight platform and the efficient power generation of the wind turbine are ensured, simultaneously, the electric energy generated by the wave energy power generation device is integrated with the wind power, and then the electric energy is provided for the hydrogen production system, in addition, the multi-energy coupling complementary power generation makes the power more stable, the rectification difficulty is reduced, and the overall system operation is ensured.

[0025] 7、The desalination-hydrolysis-purification-compression-storage hydrogen production system is adopted, the hydrogen is produced by using the sea water through the wind energy-wave energy power generation. The sea water is sucked through the sea water lifting pump, the sea water desalination is carried out through the sea water treatment unit, then the sea water is sent into the electrolytic tank, the sea water is decomposed into hydrogen and oxygen through the proton exchange membrane electrolytic tank (PEM), the oxygen is discharged, the hydrogen is compressed through the compressor after purification and is stored, finally, the hydrogen can be transported through the pipeline for a long distance. BRIEF DESCRIPTION OF DRAWINGS

[0026] The application will be further described below in combination with the drawings and examples, and the drawings are as follows:

[0027] Figure 1 It is a three-dimensional structure schematic view of the floating offshore wind wave combined power generation hydrogen production platform of the application;

[0028] Figure 2 It is a side view of the floating offshore wind wave combined power generation hydrogen production platform of the application;

[0029] Figure 3 It is a top view of the floating offshore wind wave combined power generation hydrogen production platform of the application;

[0030] Figure 4 It is a bottom view of the floating offshore wind wave combined power generation hydrogen production platform of the application.

[0031] In the drawings: 1-floating foundation; 11-mooring side column; 12-wind turbine side column; 121-heave plate; 122-ballast water system; 13-cross brace; 14-inclined brace; 15-platform deck; 16-deck guardrail; 17-observation platform;

[0032] 2-tensioned single point mooring system; 21-rotary sealing joint; 22-rotary table; 23-tensioned anchor chain; 24-underwater fixed base plate;

[0033] 3-array type wave energy power generation system; 31-brace; 32-oscillating buoy type wave energy power generation device;

[0034] 4-triangle inclined brace type tower; 41-main inclined brace; 42-secondary inclined brace;

[0035] 5-Downwind wind turbine system; 51-Wind turbine nacelle; 52-Wind turbine blades;

[0036] 6-Water electrolysis hydrogen production system; 61-Seawater extraction device; 62-Seawater desalination and water electrolysis hydrogen production device; 63-Separation and purification device; 64-Compression and energy storage equipment;

[0037] 7-Rectifier and energy storage device. Detailed Implementation

[0038] To provide a clearer understanding of the technical features, objectives, and effects of the present invention, specific embodiments of the present invention will now be described in detail with reference to the accompanying drawings.

[0039] like Figures 1-4 As shown in the figure, a floating offshore wind and wave combined power generation and hydrogen production platform provided in an embodiment of the present invention includes a floating foundation 1, a tensioned single-point mooring system 2, an array-type wave energy power generation system 3, a triangular braced tower 4, a downwind wind turbine system 5, a water electrolysis hydrogen production system 6, and a rectification and energy storage device 7.

[0040] The floating foundation 1 serves as an installation platform for other systems and employs a lightweight structural design. The floating foundation 1 includes a triangular platform deck 15 and one mooring-side column 11 and two turbine-side columns 12, each installed below one of the three vertices of the platform deck 15. The platform deck 15 primarily supports the various modules of the upper water electrolysis hydrogen production system 6. The mooring-side column 11 has a cylindrical structure, with a tensioned single-point mooring system 2 installed below it. The turbine-side column 12 has a hollow interior and is equipped with a ballast water system 122. By increasing or decreasing the mass of the ballast water, it is used to adjust the platform's center of gravity and works in conjunction with the tensioned single-point mooring system 2 to achieve overall platform stability and balance. The two turbine-side columns 12 are symmetrically arranged on the left and right sides of the turbine. The turbine-side columns 12 employ a multi-section cylindrical and frustum-shaped interlocking structure, which, while ensuring structural lightweighting, effectively increases the drainage volume of the hydrogen production platform and improves the adjustability range of the ballast water system 122. To enhance the overall structural strength of the floating foundation 1, the upper and lower ends of adjacent columns are connected by several horizontal braces 13, and reinforced with diagonal braces 14. Furthermore, a circular heave plate 121 is installed at the bottom of the wind turbine-side column 12 to reduce the overall heave response of the platform and improve its seakeeping in deep-sea environments. Deck railings 16 are installed at the edge of the platform deck 15 to ensure safety during later operation and maintenance. An observation platform 17 is also installed at the upper end of the mooring-side column 11 to monitor surrounding sea information, thereby providing real-time forecasts of the operational window for the floating offshore wind and wave combined power generation and hydrogen production platform. The entire floating foundation 1 employs a hollow design in many places and uses a truss structure for support, which significantly reduces the platform's own weight and facilitates the expansion of the usable area of ​​the upper deck.

[0041] The tensioned single-point mooring system 2 comprises a rotary seal joint 21, a rotating disc 22, a tensioned anchor chain 23 and an underwater fixed base 24 arranged from top to bottom. The rotary seal joint 21 is connected with the bottom of the mooring side column 11, and the rotating disc 22 is connected with the lower part of the rotary seal joint 21. The mooring side column 11 can rotate 360° horizontally around the rotary seal joint 21. Three tensioned anchor chains 23 are arranged at the edge of the rotating disc 22, and the bottom ends of the tensioned anchor chains 23 are connected with the underwater fixed base 24. The underwater fixed base 24 is fixed to the seabed. The tensioned anchor chains 23 can provide sufficient tension to balance the buoyancy generated by the platform itself, which can further reduce the self-weight of the platform and ensure the light weight of the floating foundation 1.

[0042] The arrayed wave energy generation system 3 comprises six oscillating buoy wave energy generation devices 32 installed below the platform deck 15 and arranged in a triangular array. The upper end of each oscillating buoy wave energy generation device 32 is connected with the platform deck 15 through a support rod 31. When waves pass through the platform, the arrayed wave energy generation system 3 can absorb wave energy and reduce the overall heave motion response of the platform, so as to ensure that the entire floating foundation 1 can rotate more stably around the single-point mooring system. At the same time, wave energy generation can be integrated with wind power generation, so as to make the overall power generation more stable.

[0043] The triangular braced tower 4 is arranged above the platform deck 15 and is used for installing the downwind wind turbine system 5. The triangular braced tower 4 comprises a main bracing 41 and two auxiliary bracings 42. The bottom end of the main bracing 41 is connected with the mooring side column 11, and the top end of the main bracing 41 is connected with the wind turbine cabin 51. The bottom ends of the two auxiliary bracings 42 are respectively connected with the two wind turbine side columns 12, and the top ends of the two auxiliary bracings 42 are connected with the wind turbine cabin 51 and are symmetrically arranged. Since the tower as a whole adopts a triangular stable structure, compared with a vertical cylindrical tower, the structure can greatly weaken the shear force and bending moment at the node when subjected to wind load, improve the stress distribution of the tower, and improve the overall structural strength and fatigue performance of the tower.

[0044] The downwind wind turbine system 5 comprises a wind turbine cabin 51 and three wind turbine blades 52. Since the downwind wind turbine is adopted, the wind will pass through the tower and then pass through the wind wheel. Therefore, under the action of wind load and in cooperation with the unique tensioned single-point mooring system 2, the wind turbine can fully utilize the wind vane effect, so that the floating hydrogen production platform rotates around the mooring center point, and the floating hydrogen production platform is adjusted according to the direction of wind, wave and current, so as to realize the automatic yawing of the wind turbine. The entire system can fully utilize wind energy resources while saving active control costs.

[0045] The water electrolysis hydrogen production system 6 and the rectification and power storage device 7 are arranged on the platform deck 15, the water electrolysis hydrogen production system 6 comprises seawater extraction device 61, seawater desalination and water electrolysis hydrogen production device 62, separation and purification device 63, compression and energy storage equipment 64 connected in sequence. The wind power generation and wave power generation are integrated and stored through the rectification and power storage device 7, and the normal operation of each hydrogen production equipment is maintained. In the whole hydrogen production process, first, the seawater extraction device 61 is used to send seawater into the seawater desalination and water electrolysis hydrogen production device 62, the desalination of seawater produces fresh water, and the fresh water is sent into the electrolytic water tank. By using related technologies, fresh water can be separated into oxygen and hydrogen. Then the raw gas with low purity is sent into the separation and purification device 63, and the raw gas is sent into the adsorbent bed layer by using the principle of pressure swing adsorption. The remaining components other than hydrogen are selectively adsorbed by the adsorbent as impurities, and the hydrogen with the highest volatility is basically not adsorbed, and the hydrogen with a purity of more than 99% is separated from other impurities. Finally, the compression and energy storage equipment 64 is used to store the prepared hydrogen.

[0046] The floating offshore wind wave combined power generation hydrogen production platform of the present application, wherein the water electrolysis hydrogen production system 6 is arranged above the platform deck 15, can consume wind energy-wave energy power on site, without considering the problem of wind power grid connection, effectively solving the problem of abandoned wind and power. The array type oscillating buoy power generation device is also arranged below the platform deck 15, which can provide additional power for the water electrolysis hydrogen production system 6 and provide vertical motion damping for the platform to improve the platform motion performance. Secondly, the floating platform is lightweighted in the present application, which is reflected in the unique tensioning type single point mooring system 2 and the lightweight truss support structure and ballast water system 122. The tensioning type single point mooring system 2 is arranged below the column opposite to the wind turbine, the mooring rope is connected vertically to the seabed, and the platform can balance the buoyancy generated by itself, the gravity of the platform itself and the pre-tension of the mooring rope to realize the single degree of freedom axial motion of the platform. The truss structure is connected with the right triangular type pontoon column of the floating platform, and the unique ballast water system 122 can also be adjusted to ensure the stability of the platform gravity center. The whole design can ensure the safety of the structure while realizing the lightweight. In addition, the downwind wind turbine system 5 is adopted in the present application, which can realize automatic yawing of the wind turbine system in cooperation with the single point mooring system, and the cost of the servo control module is saved. Finally, the unique triangular bracing type tower 4 is adopted in the present application, which replaces the traditional single vertical tower with three inclined bracing towers, so that the stress distribution of the platform structure is greatly improved, and the overall operation and maintenance cost is effectively reduced.

[0047] The embodiments of the present application are described above with reference to the accompanying drawings, but the present application is not limited to the above-described specific embodiments, and the above-described specific embodiments are merely illustrative, but not restrictive, and a person of ordinary skill in the art can make many forms under the inspiration of the present application without departing from the purpose of the present application and the scope protected by the claims, and these all belong to the protection of the present application.

Claims

1. A floating offshore wind and wave combined power generation hydrogen production platform, characterized in that, The floating foundation, the tensioned single-point mooring system, the arrayed wave energy generation system, the triangular braced tower, the downwind wind turbine system, the water electrolysis hydrogen production system and the rectification and power storage device are included. The floating foundation includes a triangular platform deck and one mooring side column and two wind turbine side columns installed below the platform deck; the tensioned single-point mooring system is installed below the mooring side column; the two wind turbine side columns are hollow and equipped with ballast water systems for adjusting the position of the platform gravity center and cooperating with the tensioned single-point mooring system to realize the stable balance of the platform as a whole; the two wind turbine side columns are symmetrically arranged on the left and right sides of the wind turbine; the wind turbine side column adopts a multi-section cylinder and circular table alternating mutual embedding structure; the arrayed wave energy generation system includes a plurality of oscillating buoy wave energy generation devices installed below the platform deck; the triangular braced tower is arranged above the platform deck and used for installing the downwind wind turbine system; the triangular braced tower includes one main bracing and two auxiliary bracings; the bottom end of the main bracing is connected with the mooring side column, and the top end is connected with the wind turbine cabin; the bottom ends of the two auxiliary bracings are respectively connected with the two wind turbine side columns, and the top ends are connected with the wind turbine cabin; the downwind wind turbine system includes the wind turbine cabin and wind turbine blades, and is located above the two wind turbine side columns; the water electrolysis hydrogen production system and the rectification and power storage device are arranged on the platform deck; the rectification and power storage device rectifies and stores the wind power and wave energy and supplies power for the water electrolysis hydrogen production system. The water electrolysis hydrogen production system includes a seawater extraction device, a seawater desalination and water electrolysis hydrogen production device, a separation and purification device and a compression and energy storage equipment connected in sequence; the seawater extraction device sends seawater into the seawater desalination and water electrolysis hydrogen production device; in the seawater desalination and water electrolysis hydrogen production device, the seawater is desalted to generate fresh water, which is then separated into oxygen and hydrogen in an electrolytic water tank; subsequently, the raw gas with low purity is sent into the separation and purification device to realize the purification of hydrogen; finally, the prepared hydrogen is stored by using the compression and energy storage equipment.

2. Floating offshore wind and wave combined power-to-hydrogen platform according to claim 1, characterized in that, The tensioned single-point mooring system includes a rotary sealing joint, a rotating disc, tensioned anchor chains and an underwater fixed base disc arranged from top to bottom; the rotary sealing joint is connected with the bottom of the mooring side column, and the lower part is connected with the rotating disc; the mooring side column can rotate 360° horizontally around the rotary sealing joint; the edge of the rotating disc is provided with a plurality of tensioned anchor chains; the bottom ends of the tensioned anchor chains are connected with the underwater fixed base disc; the underwater fixed base disc is fixed to the seabed; the tensioned anchor chains can provide sufficient tension to balance the buoyancy generated by the platform itself.

3. The floating offshore wind and wave combined power-to-hydrogen platform of claim 1, wherein, The arrayed wave energy generation system includes six oscillating buoy wave energy generation devices arranged in a triangular array; the upper end of each oscillating buoy wave energy generation device is connected with the platform deck through a support rod.

4. The floating offshore wind and wave combined power-to-hydrogen platform of claim 1, wherein, The separation and purification device uses the principle of pressure swing adsorption to send the raw material gas into the adsorbent bed layer, and the remaining components except hydrogen are selectively adsorbed by the adsorbent as impurities, while the hydrogen with the lowest boiling point and the highest volatility is not adsorbed, and the hydrogen with a purity of more than 99% leaves the adsorption bed, thereby achieving the purpose of separation from other impurities.

5. The floating offshore wind and wave combined power-to-hydrogen platform in accordance with claim 1, characterized in that, The platform deck is an equilateral triangle, and the three columns are respectively located at the three vertices of the equilateral triangle.

6. The floating offshore wind and wave combined power-to-hydrogen platform of claim 1, wherein, The bottom of the fan side column is provided with a circular heaving plate for reducing the overall heaving motion response of the platform.

7. The floating offshore wind and wave combined power-to-hydrogen platform of claim 1, wherein, The mooring side column and the fan side column are connected by a plurality of cross braces at the upper end and the lower end of the adjacent columns, and are reinforced by diagonal braces.

8. The floating offshore wind and wave combined power-to-hydrogen platform of claim 1, wherein, The upper end of the mooring side column is also equipped with an observation platform, which can monitor the surrounding sea area information, thereby realizing real-time prediction of the workable window of the floating offshore wind and wave combined power generation hydrogen production platform.

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