CN116538022A - Floating type offshore wind power platform, offshore wind power generator and construction method - Google Patents
Floating type offshore wind power platform, offshore wind power generator and construction method Download PDFInfo
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- CN116538022A CN116538022A CN202310602121.2A CN202310602121A CN116538022A CN 116538022 A CN116538022 A CN 116538022A CN 202310602121 A CN202310602121 A CN 202310602121A CN 116538022 A CN116538022 A CN 116538022A
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- 238000007667 floating Methods 0.000 title claims abstract description 81
- 238000010276 construction Methods 0.000 title claims abstract description 18
- 238000013461 design Methods 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 22
- 230000005484 gravity Effects 0.000 abstract description 16
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000010248 power generation Methods 0.000 abstract description 2
- 238000013016 damping Methods 0.000 description 5
- 238000011161 development Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000009022 nonlinear effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
- F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
- F03D13/25—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors specially adapted for offshore installation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
- F03D13/10—Assembly of wind motors; Arrangements for erecting wind motors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
- F03D9/20—Wind motors characterised by the driven apparatus
- F03D9/25—Wind motors characterised by the driven apparatus the apparatus being an electrical generator
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/727—Offshore wind turbines
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Wind Motors (AREA)
Abstract
The invention discloses a floating type offshore wind power platform, an offshore wind power generator and a construction method in the technical field of offshore wind power generation, comprising a fan upright post; the single column foundation is arranged right below the fan upright column, and the top end of the single column foundation is coaxially and fixedly connected with the bottom end of the fan upright column; the heave plate is arranged right below the single-column foundation and is coaxially and fixedly connected with the bottom end of the single-column foundation; the number of the side stand columns is at least three and uniformly distributed around the circumference of the fan stand column; the cross braces are uniformly distributed around the circumference of the fan upright post, one end of each cross brace is fixedly connected with the top end of the single-column foundation, and the other end of each cross brace is fixedly connected with the bottom end of the side upright post; the top end of the mooring rope is fixedly connected with the side upright post, and the bottom end of the mooring rope is fixedly connected with an anchor on the seabed. The invention adopts a mode of reducing the gravity center of the single-column foundation and providing stability by matching with the semi-submersible side stand column, thereby being applicable to the sea area with the water depth of about 100m and greatly reducing the manufacturing cost and the construction difficulty.
Description
Technical Field
The invention relates to the technical field of offshore wind power generation, in particular to a floating offshore wind power platform, an offshore wind power generator and a construction method.
Background
In order to meet the development demands of offshore wind power from offshore to deep open sea and the increasing capacity of wind turbines, floating offshore wind power technology is considered as a main solution. In the sea area with deeper water depth, especially more than 60m, the floating offshore wind power has economic advantages and construction convenience advantages; the deep sea of China has abundant wind energy resources, but the water depth of the deep sea area of China is generally about 100m due to the existence of a submarine continental shelf.
The floating type offshore wind power platform mainly comprises a semi-submersible type, a tension leg type, a single column type, a barge type and the like, and the floating type offshore wind power platform (also called a foundation) which is currently applied to actual engineering mainly comprises the semi-submersible type and the single column type; the stability of the semi-submersible platform is provided through a larger water plane area, but because the gravity center of the platform is generally higher than the floating center, when the fan iterates and the capacity is increased, the stability of the platform can only be ensured to meet the requirement by increasing the structural span of the platform and the water displacement of the platform, but the production cost of the semi-submersible platform is greatly increased (caused by the increase of the steel consumption), so that the economic advantage is lost. The water plane area of the single column type platform is smaller, the gravity center is lower than the floating center, and therefore the stability of the platform can be maintained, but the applicable water depth is generally more than 150m, the larger the fan capacity is, the deeper the applicable water depth requirement is, and the applicable requirement of the single column type platform is difficult to meet under the sea area water depth condition of China.
In summary, how to realize low-cost application of the floating type offshore wind power platform to deep open sea areas in China is a technical problem to be solved urgently by those skilled in the art.
Disclosure of Invention
In view of the above, the invention aims to provide a floating type offshore wind power platform so as to reduce the application cost of the existing floating type offshore wind power platform in deep open sea areas of China and provide a solution idea for future deep open sea offshore wind power of China.
The technical scheme adopted by the invention is as follows: a floating offshore wind platform, the floating offshore wind platform comprising:
a fan upright post;
the single-column foundation is arranged right below the fan upright column, and the top end of the single-column foundation is coaxially and fixedly connected with the bottom end of the fan upright column;
the heave plate is arranged right below the single-column foundation and is coaxially and fixedly connected with the bottom end of the single-column foundation;
the number of the side stand columns is at least three and the side stand columns are uniformly distributed around the circumference of the fan stand column;
the cross braces are uniformly distributed around the circumference of the fan upright post, one end of each cross brace is fixedly connected with the top end of the single-column foundation, and the other end of each cross brace is fixedly connected with the bottom end of the side upright post;
the top end of the mooring rope is fixedly connected with the side upright post, and the bottom end of the mooring rope is fixedly connected with an anchor on the seabed;
the upper surface of the side stand column is located above the design waterline, and the lower surface of the side stand column is located below the design waterline.
Preferably, the cross braces are horizontally arranged, and the lower surface of the fan upright post, the upper surface of the single-column foundation and the upper surface of the cross braces are coplanar and positioned below a design waterline.
Preferably, the single column foundation and/or heave plate is internally provided with a ballast tank or fixed ballast.
The second object of the invention is to provide a floating offshore wind turbine, which comprises the floating offshore wind turbine platform and is characterized by further comprising a tower barrel and a wind turbine, wherein the bottom end of the tower barrel is fixedly connected with a fan upright post in a coaxial manner, and the wind turbine is fixedly connected with the top end of the tower barrel.
A third object of the present invention is to provide a construction method of a floating offshore wind turbine, the method comprising the steps of:
s10: constructing and launching a floating offshore wind power platform in sections;
s20: hoisting the tower barrel and the wind turbine generator in sequence;
s30: towing the floating offshore wind turbine to an offshore wind farm, and fixedly connecting one end of a mooring rope with an anchor on the seabed.
The invention has the beneficial effects that:
the invention adopts a mode of combining a semi-submersible structure and a single column structure, a single column foundation is coaxially and fixedly connected below a fan upright post, the center of gravity of the whole floating type offshore wind power platform is lowered by utilizing the single column foundation, so that the primary stability of the floating type offshore wind power platform is reduced, and the stability of the whole floating type offshore wind power platform is improved; then, a heave plate is coaxially and fixedly connected to the bottom end of the single-column foundation, and the heave plate can be used for increasing the additional mass and damping of the whole floating offshore wind power platform, so that the motion performance of the single-column foundation is optimized; finally, a plurality of side uprights are uniformly distributed on the circumference of the periphery of the fan upright, the bottom ends of the side uprights are fixedly connected with the top ends of the single-column foundations through cross braces, and the semi-submersible design of the side uprights can provide restoring moment for the whole floating type offshore wind power platform, so that the stability of the whole floating type offshore wind power platform is ensured, the requirements of the floating type offshore wind power platform on the sea area water depth are also reduced, and the requirements of the development of the offshore wind power in the deep sea area of China are met.
According to the invention, the single-column foundation is coaxially and fixedly connected below the fan upright column, so that the integral gravity center of the floating type offshore wind power platform can be reduced, the requirement of the floating type offshore wind power platform on the span between the fan upright column and the side upright column can be reduced, the requirement on structural strength is further reduced, and compared with a three-upright column or four-upright column type semi-submersible platform carrying the same fan capacity, the floating type offshore wind power platform has a smaller water plane area, and can have smaller drainage and lower steel consumption under the condition of similar heave performance of the floating type offshore wind power platform, so that the manufacturing cost of the floating type offshore wind power platform can be reduced; meanwhile, when the wind turbine generator and the floating type offshore wind power platform are integrally towed, the lower gravity center can more easily meet the requirement of towing stability, and the construction difficulty is reduced.
Drawings
FIG. 1 is a schematic structural view of a floating offshore wind platform of the present invention;
FIG. 2 is a top view of the floating offshore wind platform of the present invention;
fig. 3 is a schematic structural view of the floating offshore wind turbine of the present invention.
The reference numerals in the drawings illustrate:
100. a fan upright post; 200. a single column foundation; 300. a heave plate; 400. side uprights; 500. a cross brace; 600. mooring ropes; 700. anchoring; 800. a tower; 900. a wind turbine generator.
Detailed Description
The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings. These embodiments are merely illustrative of the present invention and are not intended to be limiting.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
Furthermore, in the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
An embodiment, as shown in fig. 1, 2 and 3, is a floating offshore wind platform, comprising:
the fan stand 100, this fan stand 100 sets up along vertical direction.
The single-column foundation 200 is arranged right below the fan upright 100, and the top end of the single-column foundation 200 is coaxially and fixedly connected with the bottom end of the fan upright 100.
And the heave plate 300 is arranged right below the single column foundation 200, and the heave plate 300 is coaxially and fixedly connected with the bottom end of the single column foundation 200.
Side uprights 400, the number of side uprights 400 being at least three and being equispaced around the circumference of fan upright 100.
The number of the cross braces 500 is a plurality, and the cross braces 500 are uniformly distributed around the circumference of the fan upright 100; one end of the cross brace 500 is fixedly connected with the top end of the single column foundation 200, and the other end of the cross brace 500 is fixedly connected with the bottom end of the side upright column 400.
The number of mooring lines 600 is plural, and the top ends of the mooring lines 600 are fixedly connected to the side columns 400, and the bottom ends of the mooring lines 600 are fixedly connected to the anchors 700 on the seabed.
Wherein the upper surface of the side column 400 is located above the design waterline, and the lower surface of the side column 400 is located below the design waterline.
The method adopts a mode of combining a semi-submersible structure and a single column structure, and a single column foundation 200 is fixedly connected coaxially under the fan upright column 100, so that the gravity center of the whole floating type offshore wind power platform can be reduced by utilizing the single column foundation 200, the distance between the gravity center and the floating center of the floating type offshore wind power platform is reduced, and the stability of the whole floating type offshore wind power platform is improved; then, a heave plate 300 is coaxially and fixedly connected to the bottom end of the single-column foundation 200, and the additional mass and damping of the whole floating type offshore wind power platform can be increased through the heave plate 300, so that the motion performance of the whole floating type offshore wind power platform is optimized; finally, a plurality of side uprights 400 are uniformly distributed on the circumference of the periphery of the fan upright 100, the bottom ends of the side uprights 400 are fixedly connected with the top ends of the single-column foundations 200 through cross braces 500, and the semi-submersible design of the side uprights 400 can provide restoring moment for the whole floating type offshore wind power platform, so that the stability of the whole floating type offshore wind power platform is ensured, the requirements of the floating type offshore wind power platform on the sea area water depth are reduced, and the requirements of deep sea area offshore wind power development of China are met.
In a specific embodiment, as shown in fig. 1 and 2, the number of the cross braces 500 is equal to the number of the side uprights 400, and all the cross braces 500 are uniformly distributed around the circumference of the fan upright 100, and each cross brace 500 is horizontally arranged along the radial direction of the fan upright 100; one end of the cross brace 500 is fixedly connected with the top end of the single-column foundation 200, the other end of the cross brace 500 is fixedly connected with the bottom end of the side upright column 400, and the lower surface of the fan upright column 100, the upper surface of the single-column foundation 200 and the upper surface of the cross brace 500 are coplanar and positioned below a design waterline.
This is so arranged because: for ocean platforms, large changes in the water plane can cause nonlinear effects of waves, and further cause large changes in the motion performance of the platform structure and instability. In this embodiment, the floating offshore wind power platform adopts a mode of combining a semi-submersible structure with a single column structure, and the design waterline of the floating offshore wind power platform is located between the upper surface of the side upright post 400 and the lower surface of the side upright post 400; when the lower surface of the fan upright 100, the upper surface of the single-column foundation 200 and the upper surface of the cross brace 500 are coplanar and have proper distance from the designed water line, the movement of the floating offshore wind power platform does not cause the change of the area of the water line in extreme sea conditions, so that the movement performance of the floating offshore wind power platform can be kept constant, and the stability of the floating offshore wind power platform can be kept.
Preferably, the lower surface of the cross brace 500 is coplanar with the bottom surface of the side uprights 400.
More preferably, the single column foundation 200 and/or heave plate 300 is internally provided with ballast tanks or fixed ballasts.
This is so arranged because: the ballast tanks are arranged in the single-column foundation 200 or the heave plate 300, and the gravity center of the floating type offshore wind power platform can be adjusted by changing the ballast weight in the ballast tanks, so that the water discharge of the floating type offshore wind power platform is reduced, the construction cost of the floating type offshore wind power platform is reduced, and the stability in towing is kept.
The specific embodiment is shown in fig. 1, 2 and 3, and the floating type offshore wind power platform not only has the advantages of low gravity center and low manufacturing cost, but also is suitable for deep sea areas with the water depth of about 100m in deep open sea in China; this showy type offshore wind power platform includes:
the fan stand 100, this fan stand 100 sets up along vertical direction.
The radial dimension of the single-column foundation 200 is greater than that of the fan upright 100, the single-column foundation 200 is arranged right below the fan upright 100, the top end of the single-column foundation 200 is fixedly connected with the bottom end of the fan upright 100 in a coaxial manner, and the upper surface of the single-column foundation 200 is coplanar with the lower surface of the fan upright 100.
The radial dimension of the heave plate 300 is larger than that of the single-column foundation 200, the heave plate 300 is arranged right below the single-column foundation 200, and the heave plate 300 is coaxially and fixedly connected with the bottom end of the single-column foundation 200; the heave plate 300 can add additional mass and damping to the single column foundation 200 for damping the motion of the single column foundation 200.
Side columns 400, the number of the side columns 400 is three, and the three side columns 400 are uniformly distributed around the circumference of the fan column 100 at intervals of 120 degrees; the side stand 400 is disposed parallel to the fan stand 100, and the upper surface of the side stand 400 is located above the design waterline, and the lower surface of the side stand 400 is located below the design waterline.
The number of the cross braces 500 is three, the three cross braces 500 are uniformly distributed around the circumference of the fan upright 100, and each cross brace is horizontally arranged along the radial direction of the fan upright 100; one end of the cross brace 500 is fixedly connected with the top end of the single-column foundation 200, the other end of the cross brace 500 is fixedly connected with the bottom end of the side column 400, the upper surface of the cross brace 500 is coplanar with the upper surface of the single-column foundation 200, and the lower surface of the cross brace 500 is coplanar with the lower surface of the side column 400.
The number of mooring lines 600 is plural, and the top ends of the mooring lines 600 are fixedly connected to the bottom ends of the side columns 400, and the bottom ends of the mooring lines 600 are fixedly connected to the anchors 700 on the seabed.
In this embodiment, the heights of the sides of the fan columns 100 and the side columns 400 are set according to the design environmental conditions and specific hydrodynamic properties, so that the parts of the fan columns 100 and the side columns 400 and the cross braces 500, the single column foundation 200 and the heave plate 300 are all immersed in water to provide buoyancy, and the gravity center of the whole floating offshore wind power platform is located below the floating center; the diameters and heights of the side uprights 400 and the single-upright foundations 200 are set according to the load of the specifically-carried wind turbine. The span between the fan upright 100 and the side upright 400 is the span of the cross brace 500 and is set according to stability performance and structural strength.
In this embodiment, since the drainage amount is closely related to stability and movement performance, the ballast tanks can be set or fixed ballasts can be used in the single-column foundation 200 and the heave plate 300 according to the stability performance requirement, and the gravity center of the floating offshore wind power platform is lowered by proper ballasts, so that the drainage amount of the floating offshore wind power platform is reduced, and the drainage amount is in positive correlation with the construction cost, so that the construction cost of the floating offshore wind power platform can be reduced by setting the single-column foundation 200 and the heave plate 300.
An embodiment, as shown in fig. 3, a floating offshore wind turbine includes the above floating offshore wind turbine platform, a tower 800 and a wind turbine 900, where the bottom end of the tower 800 is fixedly connected with a fan upright 100 coaxially, and the wind turbine 900 is fixedly connected with the top end of the tower 800.
An embodiment, a construction method of a floating offshore wind turbine, the method comprising the steps of:
s10: firstly, constructing a floating offshore wind turbine in a sectional manner at a construction site, and then assembling each construction section into a floating offshore wind turbine platform and launching.
S20: hoisting of the tower 800 and the wind turbine 900 is completed in the dock or dock.
S30: firstly, according to the requirements of towing conditions, the towing displacement of the floating type offshore wind power platform is designed, and the required towing displacement is achieved through a means of ballasting water or solid ballasting; the floating offshore wind turbine is then towed to the offshore wind farm by a tug, and one end of mooring line 600 is fixedly connected to anchor 700 on the seabed by a construction vessel.
Compared with the prior art, the application has at least the following beneficial technical effects:
the floating type offshore wind power platform adopts a mode that a single-column foundation is adopted to reduce the gravity center and matched with a semi-submersible side column to provide stability, can be applied to Yu Shen open sea, particularly a deep sea water area near 100m water depth, and can also greatly reduce manufacturing cost and construction cost.
Compared with a semi-submersible type platform, the floating type offshore wind power platform is coaxially and fixedly connected with a single column foundation below the fan upright column, the gravity center of the floating type offshore wind power platform is enabled to be lower, the distance between a floating center and the gravity center can be reduced to a few meters from tens of meters, even the floating center is located above the gravity center, the Li Yupiao floating type offshore wind power platform is stable, meanwhile, three side uprights can provide restoring moment for the floating type offshore wind power platform, and the span between the side uprights and the fan upright column is smaller, so that the structural strength requirement and the construction cost can be reduced.
Compared with a single-column type platform, the floating type offshore wind power platform has shallow draft, can be applied to sea areas with water depth of about 100 meters, has better environmental adaptability, is particularly suitable for the water depth condition of the sea areas of China, and has rolling performance superior to that of the traditional single-column type platform.
According to the floating type offshore wind power platform, the heave plate is fixedly connected to the bottom end of the upright post foundation, and the additional mass and damping are provided for the floating type offshore wind power platform through the heave plate, so that the hydrodynamic performance of the floating type offshore wind power platform is optimized.
According to the mooring rope, the top end of the mooring rope is fixedly connected with the outer sides or the bottoms of the three side stand columns, the bottom end of the mooring rope is connected to the seabed anchoring, and due to the existence of the transverse bracing, the mooring rope is in sufficient distance with the single-column foundation and the heave plate to avoid collision, so that the phenomenon that the single-column foundation, the heave plate and the mooring rope interfere with each other can be avoided.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present invention, and these modifications and substitutions should also be considered as being within the scope of the present invention.
Claims (5)
1. A floating offshore wind platform, the floating offshore wind platform comprising:
a fan column (100);
the single-column foundation (200) is arranged right below the fan upright column (100), and the top end of the single-column foundation (200) is coaxially and fixedly connected with the bottom end of the fan upright column (100);
the heave plate (300) is arranged right below the single-column foundation (200), and the heave plate (300) is coaxially and fixedly connected with the bottom end of the single-column foundation (200);
the fan comprises side stand columns (400), wherein the number of the side stand columns (400) is at least three and is uniformly distributed around the circumference of the fan stand column (100);
the cross braces (500) are uniformly distributed around the circumference of the fan upright post (100), one end of each cross brace (500) is fixedly connected with the top end of the single-column foundation (200), and the other end of each cross brace is fixedly connected with the bottom end of the side upright post (400);
the mooring system comprises a mooring rope (600), wherein the top end of the mooring rope (600) is fixedly connected with a side upright post (400), and the bottom end of the mooring rope (600) is fixedly connected with an anchor (700) on a seabed;
the upper surface of the side stand column (400) is located above the design waterline, and the lower surface of the side stand column (400) is located below the design waterline.
2. The floating offshore wind platform according to claim 1, wherein the cross braces (500) are horizontally disposed and the lower surface of the fan upright (100), the upper surface of the single column foundation (200) and the upper surface of the cross braces (500) are coplanar and below the design waterline.
3. A floating offshore wind power platform according to claim 1, characterized in that the single column foundation (200) and/or heave plate (300) is internally provided with ballast tanks.
4. A floating offshore wind turbine comprising the floating offshore wind turbine platform according to any one of claims 1-3, and further comprising a tower (800) and a wind turbine generator system (900), wherein the bottom end of the tower (800) is fixedly connected with a fan upright (100) in a coaxial manner, and the wind turbine generator system (900) is fixedly connected with the top end of the tower (800).
5. The construction method of the floating offshore wind turbine is characterized by comprising the following steps of:
s10: constructing and launching a floating offshore wind power platform in sections;
s20: hoisting the tower (800) and the wind motor group (900) in sequence;
s30: towing the floating offshore wind turbine to an offshore wind farm and fixedly connecting one end of a mooring line (600) to an anchor (700) on the seabed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310602121.2A CN116538022A (en) | 2023-05-25 | 2023-05-25 | Floating type offshore wind power platform, offshore wind power generator and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310602121.2A CN116538022A (en) | 2023-05-25 | 2023-05-25 | Floating type offshore wind power platform, offshore wind power generator and construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116538022A true CN116538022A (en) | 2023-08-04 |
Family
ID=87446985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310602121.2A Pending CN116538022A (en) | 2023-05-25 | 2023-05-25 | Floating type offshore wind power platform, offshore wind power generator and construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116538022A (en) |
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2023
- 2023-05-25 CN CN202310602121.2A patent/CN116538022A/en active Pending
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