CN115853716A - Offshore floating type power generation device integrated with motion suppression system - Google Patents
Offshore floating type power generation device integrated with motion suppression system Download PDFInfo
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- CN115853716A CN115853716A CN202310072470.8A CN202310072470A CN115853716A CN 115853716 A CN115853716 A CN 115853716A CN 202310072470 A CN202310072470 A CN 202310072470A CN 115853716 A CN115853716 A CN 115853716A
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Abstract
The invention discloses an offshore floating power generation device integrated with a motion suppression system, which relates to the technical field of offshore floating power generation, in particular to an offshore floating power generation device integrated with a motion suppression system, and comprises a wind turbine generator and a floating platform, wherein the wind turbine generator comprises a fan blade, a wind driven generator and a fan tower frame, the floating platform consists of an upright post and a truss structure which provide buoyancy, a damping cabin is arranged inside the upright post, openings are formed in the bottom and the top of the damping cabin, a damping grid is arranged at the opening of the bottom, and a turbine power generation system is arranged at the opening of the top of the damping cabin. The offshore floating power generation device of the integrated motion suppression system has good stability, combines offshore wind power generation and wave power generation through the cooperation of the wind turbine generator, the floating platform, the ballast tank and the truss structure, shares infrastructure, and reduces the construction cost while increasing the generated energy compared with the independent construction of the two devices.
Description
Technical Field
The invention relates to the technical field of offshore floating power generation, in particular to an offshore floating power generation device integrated with a motion suppression system.
Background
Currently, it has become a global consensus to take immediate action to reduce greenhouse gas emissions and achieve sustainable energy development. The method is one of the main means for accelerating the development and utilization of renewable clean energy, and offshore wind power development and utilization become an important field of renewable energy development due to the huge reserve and high density of offshore wind energy. Meanwhile, the open sea wind energy resource is superior to the offshore wind energy resource, so places with rich wind energy resources are often accompanied with wave energy with higher quality.
For deep sea with water depth more than 50m, the floating type fan foundation has more advantages in construction cost compared with a fixed type foundation, but the natural environment of deep and far sea is severe, and the floating type fan can generate larger motion response under the action of wind, waves and currents, so that the overall stability of the floating type fan can be influenced, the wind turbine can be subjected to larger acceleration, the service life of the wind turbine can be influenced, meanwhile, a mooring system is frequently responded, stress fatigue is easily generated, and even an anchor chain fracture phenomenon occurs.
Therefore, it is necessary to develop a technology capable of efficiently and stably utilizing wave energy near a floating platform while reducing the overall motion performance of the floating platform to increase the wind energy utilization efficiency and extend the life of a wind turbine.
Disclosure of Invention
The invention provides an offshore floating power generation device integrated with a motion suppression system, which solves the problems in the prior art.
In order to realize the purpose, the invention is realized by the following technical scheme: the utility model provides an integrated motion suppression system's marine floating power generation facility, includes wind turbine generator system and floating platform, wind turbine generator system includes fan blade, aerogenerator, fan pylon, floating platform comprises stand and the truss structure that provides buoyancy, the inside of stand is provided with the damping cabin, the bottom and the top in damping cabin all are provided with the trompil, and are located bottom trompil department and are provided with the damping grid, the trompil department at damping cabin top sets up turbine power generation system.
Optionally, an output shaft of the wind driven generator is fixedly connected with one end of the fan blade, a fan tower is fixedly mounted on the back of the wind driven generator, and the lower end of the fan tower is fixedly connected with the upper end of the upright post.
Optionally, the turbine power generation system includes an airflow pipeline and an air turbine, the air turbine is installed inside the airflow pipeline, a protection cabin is arranged on the periphery of the turbine power generation system, and the protection cabin is provided with an opening.
Optionally, the top end of the truss structure is fixedly connected with the lower end of the upright column, and a ballast tank is fixedly mounted at one end of the truss structure far away from the upright column.
Optionally, the truss structure, the upright posts, and the bolts connecting the damping grids and the openings at the bottom of the damping cabin are all made of stainless steel materials.
Optionally, the air hole at the top of the damping cabin is hermetically connected with the turbine power generation system, the damping grid is installed at the opening of the air hole at the bottom of the damping cabin by using bolts, and the main body part of the damping grid is located in the damping cabin.
The invention has the following beneficial effects:
1. this marine floating power generation facility of integrated motion suppression system, through the cooperation between stand, damping cabin and the damping grid, utilize stand, damping cabin and damping grid to constitute the motion suppression system, solved the problem that floating power generation facility receives the marine environment influence effectively, adopt the additional mass that increases the platform and restrain the mode of platform motion performance, weaken the motion response of floating platform, avoid wind turbine generator system to produce great acceleration, prolong the life of wind turbine generator system under the marine stormy wave condition.
2. This integrated motion suppression system's marine floating power generation facility, through the cooperation between wind turbine generator system, floating platform, damping cabin and the damping grid, utilize the installation of damping cabin and damping grid, increased the additional mass of whole device, make the device hang down under the wave action and swing the effect and obviously reduce, both can improve wind turbine generator system's stability, can prolong its life again, reduce device maintenance cost, simultaneously, can avoid mooring system response frequently to stress fatigue appears prematurely.
3. The offshore floating power generation device of the integrated motion suppression system has good stability, combines offshore wind power generation and wave power generation through the cooperation of the wind turbine generator, the floating platform, the ballast tank and the truss structure, shares infrastructure, and reduces the construction cost while increasing the generated energy compared with the independent construction of the two devices.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic representation of the three-dimensional structure of the damping grid in the configuration of the present invention;
FIG. 3 is a cross-sectional view of a turbine power generation system in the configuration of the present invention;
figure 4 is a cross-sectional view of a column incorporating a damping pod and a damping grid in a structure of the present invention.
In the figure: 1. a fan blade; 2. a wind power generator; 3. a fan tower; 4. a turbine power generation system; 5. a column; 6. a truss structure; 7. a ballast tank; 8. a damping grid; 9. an air flow conduit; 10. an air turbine; 11. a damping chamber.
Detailed description of the preferred embodiments
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, and not all of the embodiments. 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.
Referring to fig. 1 and fig. 3, the present invention provides a technical solution: an offshore floating power generation device integrated with a motion suppression system comprises a wind turbine generator and a floating platform, wherein the wind turbine generator comprises three fan blades 1, a wind driven generator 2 and a fan tower 3, the floating platform consists of an upright post 5 providing buoyancy and a truss structure 6, a damping cabin 11 is arranged inside the upright post 5, a damping grid 8 and the damping cabin 11 integrated in the upright post 5 suppress the motion performance of the platform by increasing the additional mass of the platform, the damping cabin 11 is a cylindrical middle air chamber with openings at the top end and the bottom end, the opening at the top end is positioned above the water surface to be connected with a turbine power generation system 4, the opening at the bottom end is directly contacted with seawater, so that an air cylinder is sealed at the upper part of the damping cabin 11, and meanwhile, the damping grid 8 is fixedly installed by bolts, its major part is located damping cabin 11, the bottom and the top of damping cabin 11 all are provided with the trompil, damping cabin 11 open area in the top can confirm to be 3% of the damping cabin 11 horizontal cross section, in order to realize better motion suppression effect, and bottom trompil department is provided with damping grid 8, integrated damping cabin 11 and damping grid 8 constitute the motion suppression system in the stand 5, this system suppresses the motion performance of platform through the additional mass that increases the platform, damping grid 8 is formed by connecting a plurality of damping boards, an additional mass for the increase device, the trompil department at damping cabin 11 top sets up turbine power generation system 4, stand 5, truss structure 6 and adopt the turbine power generation system 4 of bolt fastening above stand 5 to constitute floating platform.
An output shaft of the wind driven generator 2 is fixedly connected with one end of the fan blade 1, a fan tower 3 is fixedly mounted on the back face of the wind driven generator 2, the lower end of the fan tower 3 is fixedly connected with the upper end of the upright post 5, and the fan blade 1 rotates around a shaft under the action of wind power so as to convert kinetic energy of the wind into mechanical energy and further drive a wind wheel shaft in the wind driven generator 2 to rotate for power generation.
The turbine power generation system 4 comprises an airflow pipeline 9 and an air turbine 10, the air turbine 10 is installed inside the airflow pipeline 9, a protection cabin is arranged on the periphery of the turbine power generation system 4 and provided with an opening, the protection cabin outside the turbine power generation system 4 is provided with an opening, air can circulate inside and outside through the opening, the turbine power generation system 4 is composed of the airflow pipeline 9 and the air turbine 10 inside the airflow pipeline, and the air at the opening of the damping cabin 11 can flow to drive the air turbine 10 to rotate so as to enable the generator to generate electricity.
The top of truss structure 6 and the lower extreme fixed connection of stand 5, the truss structure 6 that sets up the ballast tank is connected in stand 5 bottom to restrain the vortex-induced vibration of platform, reduce the platform focus simultaneously, the one end fixed mounting that stand 5 was kept away from to truss structure 6 has ballast tank 7, and truss structure 6 sets up and plays the be connected of stand 5 and ballast tank 7.
Referring to fig. 2 and 4, the truss structure 6, the upright post 5, the bolts connecting the damping grids 8 and the bottom opening of the damping cabin 11 are made of stainless steel, and the stainless steel is selected, so that the strength of the truss structure 6, the upright post 5, the bolts connecting the damping grids 8 and the bottom opening of the damping cabin 11 is improved in use.
An air hole in the top of the damping cabin 11 is hermetically connected with the turbine power generation system 4, a water column in the damping cabin 11 can oscillate up and down and is similar to the working state of an air chamber in an oscillating water column power generation device, so the turbine power generation system 4 is arranged at an opening in the upper part of the damping cabin 11 to achieve the purpose of utilizing wave energy near a floating fan supporting platform, a damping grid 8 is installed at an opening of an air hole in the bottom of the damping cabin 11 by bolts, the main part of the damping grid 8 is positioned in the damping cabin 11, and the damping cabin 11, the damping grid 8 and a stand column 5 of the turbine power generation system 4 play roles in bearing a wind turbine generator set, inhibiting the motion performance of the platform and capturing and utilizing the wave energy.
In summary, when the offshore floating power generation device with the integrated motion suppression system is used, firstly, the diameter of the top opening of the damping cabin 11 is larger than that of the bottom opening, and the specific opening size can be adjusted according to actual needs; damping grid 8 is formed by adopting high strength stainless steel bolted connection to a plurality of damping plate, damping plate body quantity can be adjusted as required, thereby further increase the additional mass, then, turbine power generation system 4 is connected with stand 5 through high strength stainless steel bolt, 11 top openings in damping cabin and airflow pipeline 9 junction do airtight smooth processing, in order to guarantee that gas can stably get into, reduce the resistance, effectively improve the generating efficiency, subsequently, turbine power generation system 4 homoenergetic work under the two-way air current, gas can both generate electricity when flowing out and flowing in, improve the generating efficiency, finally, when normal work under the effect of wind, stream, unrestrained, damping grid 8 and damping cabin 11 restrain the motion performance of floating platform through the additional mass that increases the platform, play the effect that improves whole device stability. Under the action of waves, a water column in the damping cabin 11 oscillates up and down to promote internal air pressure to change, so that reciprocating air flow is generated in the air flow pipeline 9, and the mounted air turbine 10 is further promoted to rotate, and the generator is driven to generate electricity.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. An integrated motion suppression system's marine floating power generation facility, includes wind turbine generator system and floating platform, its characterized in that: the wind turbine generator system comprises fan blades (1), a wind driven generator (2) and a fan tower (3), the floating platform comprises a stand column (5) providing buoyancy and a truss structure (6), a damping cabin (11) is arranged inside the stand column (5), the bottom and the top of the damping cabin (11) are provided with holes, damping grids (8) are arranged at the holes in the bottom, and a turbine power generation system (4) is arranged at the holes in the top of the damping cabin (11).
2. The offshore floating power generation device with integrated motion suppression system of claim 1, wherein: an output shaft of the wind driven generator (2) is fixedly connected with one end of the fan blade (1), a fan tower frame (3) is fixedly mounted on the back face of the wind driven generator (2), and the lower end of the fan tower frame (3) is fixedly connected with the upper end of the upright post (5).
3. The offshore floating power generation device with integrated motion suppression system of claim 1, wherein: the turbine power generation system (4) comprises an airflow pipeline (9) and an air turbine (10), the air turbine (10) is installed inside the airflow pipeline (9), a protection cabin is arranged on the periphery of the turbine power generation system (4), and holes are formed in the protection cabin.
4. The offshore floating power generation device with integrated motion suppression system of claim 1, wherein: the top end of the truss structure (6) is fixedly connected with the lower end of the upright post (5), and one end, far away from the upright post (5), of the truss structure (6) is fixedly provided with a ballast tank (7).
5. The offshore floating power generation device with integrated motion suppression system of claim 1, wherein: the truss structure (6), the upright posts (5), the bolts for connecting the damping grids (8) and the openings at the bottoms of the damping cabins (11) are all made of stainless steel materials.
6. The offshore floating power generation device with integrated motion suppression system of claim 1, wherein: damping cabin (11) top gas pocket and turbine power generation system (4) sealing connection, damping cabin (11) bottom gas pocket trompil department adopts bolt installation damping grid (8), and the main part of damping grid (8) is located damping cabin (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310072470.8A CN115853716A (en) | 2023-02-02 | 2023-02-02 | Offshore floating type power generation device integrated with motion suppression system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310072470.8A CN115853716A (en) | 2023-02-02 | 2023-02-02 | Offshore floating type power generation device integrated with motion suppression system |
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| CN115853716A true CN115853716A (en) | 2023-03-28 |
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| CN202310072470.8A Pending CN115853716A (en) | 2023-02-02 | 2023-02-02 | Offshore floating type power generation device integrated with motion suppression system |
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| CN109026542A (en) * | 2018-08-10 | 2018-12-18 | 浙江大学 | Floatation type wind energy-wave energy combined generating system |
| CN109278949A (en) * | 2018-10-10 | 2019-01-29 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | A kind of sea Spar type 5MW buoyant wind generation platform |
| WO2019114691A1 (en) * | 2017-12-15 | 2019-06-20 | 上海海事大学 | Combined offshore wind turbine support structural system |
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| CN115503896A (en) * | 2022-07-07 | 2022-12-23 | 大连船舶重工集团有限公司 | Floating type wind power generation platform with motion suppression cabin |
| CN115520335A (en) * | 2022-09-30 | 2022-12-27 | 南通中远海运川崎船舶工程有限公司 | Floating offshore wind power generation mechanism composed of multiple buoys and leveling method thereof |
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2023
- 2023-02-02 CN CN202310072470.8A patent/CN115853716A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019114691A1 (en) * | 2017-12-15 | 2019-06-20 | 上海海事大学 | Combined offshore wind turbine support structural system |
| CN109026542A (en) * | 2018-08-10 | 2018-12-18 | 浙江大学 | Floatation type wind energy-wave energy combined generating system |
| CN109278949A (en) * | 2018-10-10 | 2019-01-29 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | A kind of sea Spar type 5MW buoyant wind generation platform |
| CN113586318A (en) * | 2021-09-03 | 2021-11-02 | 中国华能集团清洁能源技术研究院有限公司 | Single-column floating type offshore comprehensive power platform |
| CN114738189A (en) * | 2022-03-30 | 2022-07-12 | 中印恒盛(北京)贸易有限公司 | Novel floating type offshore wind wave comprehensive utilization system |
| CN115503896A (en) * | 2022-07-07 | 2022-12-23 | 大连船舶重工集团有限公司 | Floating type wind power generation platform with motion suppression cabin |
| CN115520335A (en) * | 2022-09-30 | 2022-12-27 | 南通中远海运川崎船舶工程有限公司 | Floating offshore wind power generation mechanism composed of multiple buoys and leveling method thereof |
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