Offshore distributed power supply station and offshore operation platform
By designing distributed power stations on offshore operation platforms and using wind, solar and hydrogen energy for power generation and storage, the problems of inefficient and unenviable power supply on the existing offshore operation platforms have been solved, and clean energy power supply and self-sufficiency of electricity are achieved.
Patent Information
- Application Number
- CN202421321113.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-11
- Publication Date
- 2025-05-20
- Estimated Expiration
- 2034-06-11
AI Technical Summary
The power supply methods of existing offshore operation platforms are ineconomic and unenvironmental, mainly relying on shore power or diesel generators, resulting in high costs and environmental pollution.
A distributed offshore power station was designed, including electrical distribution modules, wind power generation modules, solar power generation modules, battery modules and hydrogen energy modules. Through the combination of these modules, wind, solar and hydrogen energy are used for power generation and storage, and clean energy supply is provided.
It has achieved self-sufficiency in the offshore operation platform, reduced dependence on strait power, reduced environmental pollution, and lowered costs.
Smart Images
Figure CN222888064U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of power supply for offshore operating platforms, and specifically to an offshore distributed power supply station and an offshore operating platform. Background Technology
[0002] In the context of the country's vigorous development of the marine economy, offshore fields such as deep-sea island development, oil and gas platform construction, and marine ranch farming are developing rapidly. However, the electricity required by offshore operating platforms currently relies on shore power or diesel generators on the platform, which is uneconomical and environmentally unfriendly. Contents of utility model
[0003] Therefore, the technical problem to be solved by the utility model is to overcome the defects of uneconomical and environmentally unfriendly power supply of offshore operating platforms in the prior art, thereby providing an offshore distributed power station and an offshore operating platform.
[0004] In order to solve the above problems, the utility model provides an offshore distributed power station, including: an electrical distribution module with a load interface; a wind power generation module connected to the electrical distribution module; a solar power generation module connected to the electrical distribution module; a battery module connected to the electrical distribution module, suitable for storing the electric energy generated by the wind power generation module and the solar power generation module, and capable of supplying power to electrical equipment; a hydrogen energy module, including a hydrogen production and storage device and a hydrogen energy power supply device, both of which are connected to the electrical distribution module, the hydrogen production and storage device can draw power from the electrical distribution module to work, and the hydrogen energy power supply device converts hydrogen energy into electric energy and supplies power to the electrical equipment.
[0005] Optionally, the hydrogen production and storage equipment includes a hydrogen production equipment, the hydrogen power supply equipment includes a fuel cell, the hydrogen production equipment is connected to the electrical distribution module and draws power from the electrical distribution module to operate, the hydrogen production equipment is suitable for delivering hydrogen to the fuel cell, the fuel cell is connected to the electrical distribution module and is suitable for converting hydrogen energy into electrical energy and then supplying power to the electrical equipment.
[0006] Optionally, the hydrogen production and storage equipment further includes a hydrogen storage tank, which is connected to the hydrogen production equipment and the fuel cell.
[0007] Optionally, the offshore distributed power station also includes a seawater desalination module, which is connected to the electrical distribution module. The seawater desalination module can draw electricity from the electrical distribution module to work, and the seawater desalination module is suitable for providing fresh water to the hydrogen production equipment.
[0008] Optionally, the electrical distribution module includes a common bus, and the wind power generation module, the solar power generation module, the battery module, the hydrogen energy module and the seawater desalination module are all connected to the common bus.
[0009] Optionally, the electrical distribution module also includes an energy release interface.
[0010] Optionally, the offshore distributed power station further includes a support platform foundation and an equipment deck arranged on the support platform foundation. The electrical distribution module, the wind power generation module, the solar power generation module, the battery module, the hydrogen energy module, and the seawater desalination module are all arranged on the equipment deck.
[0011] Optionally, the offshore distributed power station further includes a plurality of module boxes arranged on the equipment deck. The electrical distribution module, the wind power generation module, the solar power generation module, the battery module, the hydrogen energy module, and the seawater desalination module are respectively arranged in the module boxes, and the module boxes are connected through interfaces.
[0012] Optionally, the plurality of module boxes are arranged in multiple layers.
[0013] The present utility model also provides an offshore operation platform, which includes the above-mentioned offshore distributed power station.
[0014] The present utility model has the following advantages:
[0015] By using the technical solution of the present utility model, the wind power generation module and the solar power generation module can convert the wind energy and solar energy at sea into electric energy. The electric energy is stored in the battery module through the electrical distribution module and is supplied to the electrical equipment through the load interface. And the hydrogen energy module can draw power from the electrical distribution module to work. The hydrogen energy module converts the hydrogen obtained by decomposing water into electric energy and supplies it to the electrical equipment through the load interface. In the above solution, wind energy, solar energy, and hydrogen energy are all clean energies, which are more environmentally friendly compared with the traditional method of generating electricity by diesel engines on offshore platforms. At the same time, each module makes full use of the energy at sea, realizing the self-sufficiency of electric energy for the offshore operation platform, and there is no need to transmit electric energy through shore power, with lower costs. Therefore, the technical solution of the present utility model solves the defects of uneconomical and non-environmental protection in the power supply of the existing offshore operation platform. Description of the Drawings
[0016] In order to more clearly illustrate the specific embodiments of the present utility model or the technical solutions in the prior art, the following will briefly introduce the drawings required for use in the description of the specific embodiments or the prior art. Obviously, the following drawings are some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.
[0017] Figure 1 Shows a connection schematic diagram of each module of the offshore distributed power station of the present invention;
[0018] Figure 2 Shows a structural schematic diagram of the offshore distributed power station of the present invention.
[0019] Description of the reference numerals:
[0020] 10. Electrical distribution module; 11. Load interface; 12. Common bus; 13. Energy release interface; 20. Wind power generation module; 30. Solar power generation module; 40. Battery module; 50. Hydrogen energy module; 51. Hydrogen production equipment; 52. Fuel cell; 53. Hydrogen storage tank; 60. Seawater desalination module; 70. Support platform foundation; 80. Equipment deck; 90. Module box. Detailed implementation manners
[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the present utility model, rather than all of them. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.
[0022] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation of the present utility model. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.
[0023] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installed", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.
[0024] In addition, the technical features involved in different embodiments of the present utility model described below can be combined with each other as long as they do not conflict with each other.
[0025] Such as Figure 1As described above, an embodiment of the offshore distributed power station according to the present application includes an electrical distribution module 10, a wind power generation module 20, a solar power generation module 30, a battery module 40, and a hydrogen energy module 50. Among them, the electrical distribution module 10 has a load interface 11. The wind power generation module 20 is connected to the electrical distribution module 10. The solar power generation module 30 is connected to the electrical distribution module 10. The battery module 40 is connected to the electrical distribution module 10 and is adapted to store the electric energy generated by the wind power generation module 20 and the solar power generation module 30 and can supply power to electrical equipment. The hydrogen energy module 50 includes a hydrogen production and storage device and a hydrogen energy power supply device. Both the hydrogen production and storage device and the hydrogen energy power supply device are connected to the electrical distribution module 10. The hydrogen production and storage device can draw power from the electrical distribution module 10 to operate, and the hydrogen energy power supply device converts hydrogen energy into electric energy and then supplies power to electrical equipment.
[0026] Using the technical solution of this embodiment, the wind power generation module 20 and the solar power generation module 30 can convert the wind energy and solar energy at sea into electric energy. The electric energy is stored in the battery module 40 through the electrical distribution module 10 and supplies power to electrical equipment through the load interface 11. And the hydrogen energy module 50 can draw power from the electrical distribution module 10 to operate. The hydrogen energy module 50 converts the hydrogen gas after water decomposition into electric energy and supplies power to electrical equipment through the load interface 11. In the above solution, wind energy, solar energy, and hydrogen energy are all clean energies, which are more environmentally friendly than the traditional method of generating electricity by diesel engines on offshore platforms. At the same time, each module makes full use of the energy at sea, realizes the self-sufficiency of electric energy for the offshore operation platform, and there is no need to transmit electric energy through shore power, with lower costs. Therefore, the technical solution of this embodiment solves the defects of uneconomical and non-environmental protection in the power supply of the existing offshore operation platform.
[0027] Further, the above-mentioned electrical distribution module 10 is used to transfer and distribute electric energy among the various modules.
[0028] Further, the above-mentioned wind power generation module 20 is used to convert the offshore wind energy into electric energy. The wind power generation module 20 may include an offshore wind turbine and a transmission cable, and the transmission cable is connected to the electrical distribution module 10. When the offshore wind turbine rotates, it can convert wind energy into electric energy, and the electric energy is transmitted into the electrical distribution module 10 through the transmission cable.
[0029] Further, the above-mentioned solar power generation module 30 is used to convert solar energy into electric energy. The solar power generation module 30 may include a photovoltaic panel and a transmission cable. After the photovoltaic panel receives sunlight, it can generate electric energy, and the electric energy can be transmitted into the electrical distribution module 10 through the transmission cable.
[0030] Furthermore, the electric energy generated by the wind power generation module 20 and the solar power generation module 30 can be stored in the battery module 40 through the electrical distribution module 10. When the voltage and frequency of the common bus 12 are unstable, the electric energy in the battery module 40 is output through the load interface of the electrical distribution module 10 to supply power to the electrical equipment.
[0031] Optionally, the wind power generation module 20 and the solar power generation module 30 may also include corresponding control modules.
[0032] Optionally, the battery module 40 may also include a charge and discharge control module.
[0033] In this embodiment, the connection between the battery module 40 and the electrical distribution module 10 is bidirectional, that is, the electric energy can be transported from the electrical distribution module 10 to the battery module 40 for storage. At the same time, the electric energy can also be released from the battery module 40 to the electrical distribution module 10 for output.
[0034] In this embodiment, the connections between the wind power generation module 20 and the solar power generation module 30 and the electrical distribution module 10 are all unidirectional. The electric energy generated by the wind power generation module 20 can be transported into the electrical distribution module 10, and the electric energy generated by the solar power generation module 30 can be transported into the electrical distribution module 10.
[0035] Furthermore, the offshore distributed power station further includes a hydrogen energy module 50, which can produce hydrogen, store hydrogen, and convert hydrogen energy into electric energy. The hydrogen energy module 50 includes a hydrogen production and storage device and a hydrogen energy power supply device. Specifically, the hydrogen production and storage device can draw power from the electrical distribution module 10 and operate to electrolyze water into hydrogen and oxygen and store the hydrogen. The hydrogen production and storage device is connected to the hydrogen energy power supply device and can transport the stored hydrogen to the hydrogen energy power supply device. The hydrogen energy power supply device can convert hydrogen energy into electric energy, and the hydrogen energy power supply device transports the electric energy converted by the hydrogen energy module 50 into the electrical distribution module 10 and supplies power to the electrical equipment through the load interface 11.
[0036] As Figure 1 shown, in the technical solution of this embodiment, the hydrogen production and storage device includes a hydrogen production device 51, and the hydrogen energy power supply device includes a fuel cell 52. The hydrogen production device 51 is connected to the electrical distribution module 10. The electrical distribution module 10 can supply power to the hydrogen production device 51. The hydrogen production device 51 decomposes water into oxygen and hydrogen, produces hydrogen, and stores the produced hydrogen in the hydrogen storage tank 53. The hydrogen production device 51 is connected to the electrical distribution module 10 to draw power for decomposition. The fuel cell 52 is connected to the electrical distribution module 10. When the voltage and frequency of the common bus 12 are unstable, the hydrogen storage tank supplies hydrogen to the hydrogen fuel cell, converts hydrogen energy into electric energy, and then supplies power to the electrical equipment.
[0037] Specifically, the hydrogen production device 51 can decompose fresh water and generate hydrogen. The hydrogen production device 51 is unidirectionally connected to the electrical distribution module 10 to decompose fresh water. That is, the hydrogen production device 51 can obtain power from the electrical distribution module 10.
[0038] Furthermore, the fuel cell 52 is connected to the hydrogen production device 51, and the hydrogen generated by the hydrogen production device 51 can be transported into the fuel cell 52. The fuel cell 52 is unidirectionally connected to the electrical distribution module 10, and the electric energy generated by the fuel cell 52 can be transported into the electrical distribution module 10 and supply power to the electrical equipment through the load interface 11.
[0039] Furthermore, when the hydrogen production device 51 is working, the fuel cell 52 is not working.
[0040] Furthermore, when the fuel cell 52 is working, the hydrogen production device 51 is not working.
[0041] As Figure 1 shown, in the technical solution of this embodiment, the hydrogen production and storage device further includes a hydrogen storage tank 53, and the hydrogen storage tank 53 is connected to the hydrogen production device 51 and the fuel cell 52.
[0042] Specifically, the hydrogen generated after the hydrogen production device 51 decomposes fresh water is transported into the hydrogen storage tank 53, and then the hydrogen stored in the hydrogen storage tank 53 is transported into the fuel cell 52.
[0043] As Figure 1 shown, in the technical solution of this embodiment, the offshore distributed power station further includes a seawater desalination module 60. The seawater desalination module 60 is connected to the electrical distribution module 10, and the common bus 12 can supply power to the seawater desalination module 60. The seawater desalination module 60 is suitable for providing fresh water for the hydrogen production device 51.
[0044] Specifically, the seawater desalination module 60 can desalinate seawater to obtain fresh water. The seawater desalination module 60 is unidirectionally connected to the electrical distribution module 10. That is, the seawater desalination module 60 can obtain power from the electrical distribution module 10 and perform seawater desalination work. The seawater desalination module 60 is connected to the hydrogen production device 51 to transport the obtained fresh water into the hydrogen production device 51, and the hydrogen production device 51 decomposes the fresh water into hydrogen.
[0045] Furthermore, when the hydrogen production device 51 is working, the seawater desalination module 60 is working.
[0046] As Figure 1As shown, in the technical solution of this embodiment, the electrical distribution module 10 includes a common bus 12, and the wind power generation module 20, solar power generation module 30, battery module 40, hydrogen energy module 50, and seawater desalination module 60 are all connected to the common bus 12. The common bus 12 realizes the distribution of electric energy among the various modules. The load interface 11 is connected to the common bus 12.
[0047] Further, the wind power generation module 20, solar power generation module 30, battery module 40, hydrogen energy module 50, and seawater desalination module 60 are all connected to the common bus 12 of the electrical distribution module 10 after voltage transformation and current transformation, and the voltage transformation and current transformation equipment are all arranged in each module.
[0048] In this embodiment, the battery module 40 and the fuel cell 52 serve as the main power sources to ensure the electrical energy index and power supply reliability of the power source. When the voltage and frequency of the common bus 12 are unstable, the fuel cell 52 operates. At this time, if there is no hydrogen in the hydrogen storage tank 53, the battery module 40 discharges to the common bus 12 through inversion.
[0049] As Figure 1 shown, in the technical solution of this embodiment, the electrical distribution module 10 further includes an energy release interface 13. The electrical equipment passes through the load interface 11. When the load is small, the electric energy is released through the energy release equipment connected to the energy release interface 13.
[0050] As Figure 2 shown, in the technical solution of this embodiment, the offshore distributed power station further includes a support platform foundation 70 and an equipment deck 80 arranged on the support platform foundation. The electrical distribution module 10, wind power generation module 20, solar power generation module 30, battery module 40, hydrogen energy module 50, and seawater desalination module 60 are all arranged on the equipment deck 80.
[0051] And further, the offshore distributed power station further includes a plurality of module boxes 90 arranged on the equipment deck 80. The electrical distribution module 10, wind power generation module 20, solar power generation module 30, battery module 40, hydrogen energy module 50, and seawater desalination module 60 are respectively arranged in the module boxes 90, and the module boxes 90 are connected through interfaces.
[0052] The distributed offshore power station of this embodiment adopts a prefabricated and modular design. The overall solution of the prefabricated and modular distributed offshore power station is based on the prefabrication concept, with the goal of "saving time, land, worry, and money", and in accordance with the concept of "standardized design, factory prefabrication, and integrated construction", adopting key technologies such as prefabricated cabin-type module boxes 90, compact layout, and plug-and-play of cables, which can achieve the effects of shortening the construction period of the power station, reducing the construction cost, and improving the construction efficiency of the power station.
[0053] "Modular" means that the equipment in the power station is configured according to functions into prefabricated cabins of different standard sizes.
[0054] "Prefabricated" means factory production, that is, the installation, commissioning and testing of each functional equipment in the prefabricated cabin are completed in the factory, and the connecting cables between different modules are preformed.
[0055] "Plug and play" means that the pluggable cable terminals are used to connect different functional electrical modules, and the internal electrical connection of the power station can be realized without on-site construction.
[0056] The distributed offshore power station of this embodiment is supported by the support platform foundation 70, and the support platform foundation 70 adopts a load-bearing foundation form such as a jacket or a monopile foundation or a floating foundation. The above-mentioned modules can be stacked to reduce the floor area, and each module box 90 is installed and debugged in the factory.
[0057] Optionally, multiple module boxes 90 are arranged in multiple layers on the equipment deck 80. As Figure 1 shown, the electrical distribution module 10, the seawater desalination module 60 and the battery module 40 are arranged on the first layer, and the wind power generation module 20, the solar power generation module 30 and the hydrogen energy module 50 are arranged on the second layer.
[0058] This application also provides an offshore operation platform. The offshore operation platform according to this application includes the above-mentioned offshore distributed power station.
[0059] According to the above description, this patent application has the following advantages:
[0060] 1. Build a distributed power station for complementary power generation of offshore clean energy, which can solve the problems of difficult power consumption, high cost, pollution and high carbon emissions for offshore loads;
[0061] 2. The prefabricated cabin modular design can reduce the construction period of the power station, and the compact design can reduce the structural consumption of marine engineering and the construction difficulty, thereby reducing the comprehensive cost;
[0062] 3. Realize the self-sufficiency of power consumption for offshore loads, and this design concept is easy to be productized and commercialized, with broad application prospects.
[0063] Obviously, the above embodiments are only examples clearly described and not limitations on the implementation manners. For those of ordinary skill in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to enumerate all the implementation manners here. And the obvious changes or modifications derived therefrom are still within the protection scope of this invention.
Claims
1. A maritime distributed power station, characterized in that, it includes: an electrical distribution module (10) having a load interface (11); a wind power generation module (20) connected to the electrical distribution module (10); a solar power generation module (30) connected to the electrical distribution module (10); a battery module (40) connected to the electrical distribution module (10), adapted to store the electric energy generated by the wind power generation module (20) and the solar power generation module (30), and capable of supplying power to electrical equipment; a hydrogen energy module (50) including a hydrogen production and storage device and a hydrogen energy power supply device, both the hydrogen production and storage device and the hydrogen energy power supply device are connected to the electrical distribution module (10), the hydrogen production and storage device can draw power from the electrical distribution module (10) to operate, and the hydrogen energy power supply device converts hydrogen energy into electric energy and then supplies power to electrical equipment.
2. The maritime distributed power station according to claim 1, characterized in that, the hydrogen production and storage device includes a hydrogen production device (51), the hydrogen energy power supply device includes a fuel cell (52), the hydrogen production device (51) is connected to the electrical distribution module (10) and draws power from the electrical distribution module (10) to operate, the hydrogen production device (51) is adapted to supply hydrogen to the fuel cell (52), and the fuel cell (52) is connected to the electrical distribution module (10) and is adapted to convert hydrogen energy into electric energy and then supply power to electrical equipment.
3. The maritime distributed power station according to claim 2, characterized in that, the hydrogen production and storage device further includes a hydrogen storage tank (53), and the hydrogen storage tank (53) is connected to the hydrogen production device (51) and the fuel cell (52).
4. The maritime distributed power station according to claim 2, characterized in that, the maritime distributed power station further includes a seawater desalination module (60), the seawater desalination module (60) is connected to the electrical distribution module (10), the seawater desalination module (60) can draw power from the electrical distribution module (10) to operate, and the seawater desalination module (60) is adapted to supply fresh water to the hydrogen production device (51).
5. The maritime distributed power station according to claim 4, characterized in that, the electrical distribution module (10) includes a common bus bar (12), and the wind power generation module (20), the solar power generation module (30), the battery module (40), the hydrogen energy module (50) and the seawater desalination module (60) are all connected to the common bus bar (12).
6. The maritime distributed power station according to claim 1, characterized in that, the electrical distribution module (10) further includes an energy release interface (13).
7. The maritime distributed power station according to claim 4 or 5, characterized in that, The offshore distributed power station further includes a support platform foundation (70) and an equipment deck (80) provided on the support platform foundation. The electrical distribution module (10), the wind power generation module (20), the solar power generation module (30), the battery module (40), the hydrogen energy module (50), and the seawater desalination module (60) are all provided on the equipment deck (80).
8. The offshore distributed power station according to claim 7, wherein, the offshore distributed power station further includes a plurality of module boxes (90) provided on the equipment deck (80). The electrical distribution module (10), the wind power generation module (20), the solar power generation module (30), the battery module (40), the hydrogen energy module (50), and the seawater desalination module (60) are respectively provided in the module boxes (90), and the module boxes (90) are connected through interfaces.
9. The offshore distributed power station according to claim 8, wherein, the plurality of module boxes (90) are arranged in multiple layers.
10. An offshore operation platform, wherein, it includes the offshore distributed power station according to any one of claims 1 to 9.