CN115535186B - Floating offshore wind turbine bearing platform bottom-sitting integral construction method - Google Patents
Floating offshore wind turbine bearing platform bottom-sitting integral construction method Download PDFInfo
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- CN115535186B CN115535186B CN202211324469.1A CN202211324469A CN115535186B CN 115535186 B CN115535186 B CN 115535186B CN 202211324469 A CN202211324469 A CN 202211324469A CN 115535186 B CN115535186 B CN 115535186B
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- platform
- mooring
- floating
- floating body
- wind turbine
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- 238000007667 floating Methods 0.000 title claims abstract description 99
- 238000010276 construction Methods 0.000 title claims abstract description 40
- 238000013016 damping Methods 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims description 14
- 238000009434 installation Methods 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 230000003139 buffering effect Effects 0.000 claims description 4
- 238000005086 pumping Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B75/00—Building or assembling floating offshore structures, e.g. semi-submersible platforms, SPAR platforms or wind turbine platforms
-
- 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
-
- 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
- Y02E10/72—Wind turbines with rotation axis in wind direction
-
- 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)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- General Engineering & Computer Science (AREA)
- Wind Motors (AREA)
Abstract
The invention discloses a self-contained construction method for a floating offshore wind turbine bearing platform to sit on the bottom, which comprises the following steps: the floating body platform is stably supported and stably sits on the sea surface to provide a stressed foundation for fan hoisting construction. When the floating body platform obtains stable support and sits stably on the sea to provide a stressed foundation for fan hoisting construction, the self-elevating fan hoisting platform is combined to hoist a fan tower barrel, an impeller and the like on the floating body platform, so that the problem that the assembly construction of the fan cannot be carried by taking a beach body as the stressed foundation when the ocean depth is deep and no damping condition exists is solved.
Description
Technical Field
The invention relates to a self-contained construction method for a floating offshore wind turbine bearing platform to sit on, and belongs to the technical field of seawater wind turbine construction.
Background
When floating offshore wind power is installed, the whole fan is generally assembled on a quay on shore, and then transported to a wind field by a transport ship to be installed on a floating body platform. For the construction conditions with higher requirements on the construction aging, sometimes the situation that the load of the unit area of the quay on the shore cannot bear the assembly of the fan exists. In the prior art, as for example, a fan assembly installation system of a marine intertidal zone area with a Chinese patent publication number of CN103661827A and a construction method thereof, the technical scheme is disclosed as follows: when the tide is returned, the working platform sits on the beach, and the crawler crane integrally lifts the fan assembly for installation; although the exposed beach body in the refund can be used as a force bearing basis for bearing the fan assembly, the problem that the beach body cannot be used as the force bearing basis for bearing the fan assembly construction exists when the ocean depth is deep and no refund condition exists.
Disclosure of Invention
In order to solve the technical problems, the invention provides a self-contained construction method for the bottom of a floating offshore wind turbine bearing platform.
The invention is realized by the following technical scheme.
The invention provides a self-contained construction method for a floating offshore wind turbine bearing platform base, which comprises the following steps: the floating body platform is stably supported and stably sits on the sea surface to provide a stressed foundation for fan hoisting construction.
The construction process specifically comprises the following steps: the floating body platform is slowly submerged and stably arranged on the bearing platform by pumping ballast water, so that the floating body platform is stably supported on the sea surface from bottom to top to provide a stressed foundation for construction, and a floating type offshore wind turbine floating body and steel bearing platform installation construction structure is formed.
After the construction process step, the method further comprises the process of assembling the fan component by utilizing the self-elevating fan hoisting platform and hoisting the fan component on the floating body platform, wherein the fan is integrally installed on the floating body platform, and ballast water in the floating body platform is discharged, so that the floating body platform floats upwards, and the floating body platform is off-berthed by utilizing the tug and the mooring rope D.
The floating offshore wind turbine floating body and steel bearing platform installation construction structure comprises: constructing a bearing platform fixed on the sea floor;
the floating body platform can sink by being driven into the ballast water, and the bottom of the floating body platform is stably supported on the bearing platform by sinking.
The number of the bearing platforms is three.
The three bearing platforms are distributed in a triangle.
The mooring pile comprises a floating platform, a mooring pile A and a mooring pile B, wherein the mooring pile A and the mooring pile B are positioned on the side edge of the bearing platform, and are in contact with the floating platform through a cushion piece which plays a role in damping and buffering for mooring.
The self-elevating fan lifting platform is positioned on the side edge of the bearing platform.
The invention has the beneficial effects that: when the floating body platform obtains stable support and sits stably on the sea to provide a stressed foundation for fan hoisting construction, the self-elevating fan hoisting platform is combined to hoist a fan tower barrel, an impeller and the like on the floating body platform, so that the problem that the assembly construction of the fan cannot be carried by taking a beach body as the stressed foundation when the ocean depth is deep and no damping condition exists is solved.
Drawings
FIG. 1 is a schematic diagram of a top view distribution of a floating platform and platform mooring process;
FIG. 2 is a schematic diagram of a top view distribution of a floating platform after mooring with a platform;
FIG. 3 is a schematic view of the front view perspective distribution of FIG. 2;
in the figure: 1-a floating body platform; 2-mooring a pile a; 3-mooring a pile B; 4-mooring piles C; 5-mooring line a; 6-mooring line B; 7-mooring line C; 8-mooring lines D; 9-tug; 10-bearing platform; 11-self-elevating fan hoisting platform.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the above.
See fig. 1-3.
The utility model provides a floating offshore wind turbine body and steel cushion cap atress construction structures, include:
a floating platform 1 for providing a fan mounting foundation;
the method comprises the steps of constructing a mooring pile A2, a mooring pile B3 and a mooring pile C4 which are fixed on the seabed, wherein the mooring pile A1 and the mooring pile B2 are distributed at the same side at intervals, the mooring pile A2 is connected with a floating body platform 1 through a mooring rope A5, the mooring pile B3 is connected with the floating body platform 1 through a mooring rope B6, and the mooring pile C4 is connected with the floating body platform 1 through a mooring rope C7;
mooring lines A5 and B6 are cross-connected at both ends of floating platform 1 and mooring line C7 is connected at the end of floating platform 1 remote from the intersection of opposing mooring lines A5 and B6.
The mooring ropes A5 and the mooring ropes B6 which are connected at the two ends of the floating body platform 1 in a cross way are combined with the mooring ropes C7 to realize the direction angle adjustment of the rotating force applied to the floating body platform 1, so that the problem that the direction angle of the floating body platform cannot be adjusted when a tug is directly connected to the tail end of the floating body platform through the mooring ropes to carry out delivery is solved.
The mooring rope device further comprises tugs 9, wherein the tugs 9 are three triangular distributed and are connected with the three ends of the floating body platform 1 through mooring ropes D8, a winch for tightening the mooring ropes D8 is arranged on the tugs 9, for example, winches for tightening the mooring ropes D8 are arranged on the two tugs 9 leaning against the bearing platform 10.
Still include cushion cap 10, cushion cap 10 are used for supporting the seat of body platform 1, and cushion cap 10 construction is located body platform 1 one side, installs the hank machine that supplies mooring line A5 and mooring line B6 to pass and tighten up mooring line A5 and mooring line B6 on the cushion cap 10.
The three bearing platforms 10 are distributed on one side of the floating platform 1 in a triangular mode, and stranding machines are arranged on the two bearing platforms 10 far away from the floating platform 1 to tighten the mooring ropes A5 and B6.
The winch tightens the mooring rope A5 and the mooring rope B6 to realize the direction and angle adjustment of the rotation force applied to the floating body platform 1, and the floating body platform 1 is finally positioned on three bearing platforms 10 by combining the mooring rope D8 of the tug 9.
The utility model provides a floating offshore wind turbine body and steel cushion cap installation construction structure, include: constructing three bearing platforms 10 fixed on the sea floor, wherein the three bearing platforms 10 are distributed in a triangle;
by driving the floating platform 1 which can sink by ballast water, the floating platform 1 is stably supported from bottom to top by sinking the bottom of the floating platform 1 and installing the floating platform on three bearing platforms 10 which are distributed in a triangle shape.
The bearing platform 10 is stably supported from bottom to top from the bottom of the floating body platform 1, so that the floating body platform 1 is prevented from being moored on the sea surface in multiple ways by using mooring ropes to extend outwards, and the problem that the sea-going sea fishing operation of a channel is influenced due to the fact that the mooring ropes occupy too many sea surfaces when extending is solved.
And the floating platform comprises a floating platform 1, a mooring pile A2 and a mooring pile B3 which are positioned on the side edge of the bearing platform 10, wherein the mooring pile A2 and the mooring pile B3 are in contact with the floating platform 1 through a cushion piece which plays a role in damping and buffering.
The self-elevating fan lifting platform 11 is positioned on the side edge of the bearing platform 10, and the self-elevating fan lifting platform 11 is used for lifting and installing a fan tower barrel, an impeller and the like on the floating body platform 1.
The application discloses a floating offshore wind turbine bearing platform sit at bottom's whole dress construction method, include:
the floating body platform 1 is stably supported and stably seated on the sea surface to provide a stressed foundation for the hoisting construction of the fan.
When the floating body platform 1 obtains stable support and sits stably on the sea to provide a stressed foundation for fan hoisting construction, the self-elevating fan hoisting platform 11 is combined to hoist a fan tower barrel, an impeller and the like on the floating body platform 1, so that the problem that the beach body cannot be used as the stressed foundation to bear fan assembly construction when the ocean depth is deep and no damping condition exists is solved.
The construction process specifically comprises the following steps: the floating body platform 1 slowly submerges and sits stably on the bearing platform 10 by pumping ballast water, so that the floating body platform 1 is stably supported on the sea surface from bottom to top to provide a stress foundation for construction, and a floating type offshore wind turbine floating body and steel bearing platform installation construction structure is formed.
After the construction process step, the method further comprises the process of firstly assembling the fan component by utilizing the self-elevating fan hoisting platform 11 and then hoisting the fan component on the floating body platform 1, discharging ballast water in the floating body platform 1 after the fan is integrally installed on the floating body platform 1, so that the floating body platform 1 floats upwards, and the floating body platform 1 is off-berthed by utilizing the tug 9 and the mooring rope D8.
Claims (3)
1. The whole-installation construction method for the bottom of the floating offshore wind turbine bearing platform is characterized by comprising the following steps of: the floating body platform (1) is stably supported and seated on the sea surface to provide a stressed foundation for fan hoisting construction;
the construction process comprises the following steps: the floating body platform (1) slowly submerges and sits stably on the bearing platform (10) through pumping ballast water, so that the floating body platform (1) is stably supported on the sea surface from bottom to top to provide a stress foundation for construction, and a floating type offshore wind turbine floating body and steel bearing platform installation construction structure is formed;
the floating offshore wind turbine floating body and steel bearing platform installation construction structure comprises: a base (10);
the floating body platform (1), the floating body platform (1) is stably supported on the bearing platform (10) by sinking the bottom of the floating body platform;
the number of the bearing platforms (10) is three; the three bearing platforms (10) are distributed in a triangle shape;
the mooring pile comprises a floating platform (1) and is characterized by further comprising a mooring pile A (2) and a mooring pile B (3) which are positioned at the side edge of the bearing platform (10), wherein the mooring pile A (2) and the mooring pile B (3) are in contact with the floating platform (1) through a buffering cushion piece which plays a role in damping and buffering for back cushion mooring;
the mooring piles A (1) and the mooring piles B (2) are distributed at the same side at intervals, the mooring piles A (2) are connected with the floating body platform (1) through mooring ropes A (5), and the mooring piles B (3) are connected with the floating body platform (1) through mooring ropes B (6);
the mooring pile C (4) is connected with the floating body platform (1) through a mooring rope C (7), the mooring rope A (5) and the mooring rope B (6) are connected to the two ends of the floating body platform (1) in a cross mode, and the mooring rope C (7) is connected to the end portion of the floating body platform (1) far away from the intersection point of the opposite mooring rope A (5) and the mooring rope B (6);
the device also comprises a tug (9), wherein the tug (9) is in three triangular distribution and is connected with the three ends of the floating body platform (1) through the mooring ropes D (8), a winch for tightening the mooring ropes D (8) is arranged on the tug (9),
and a winch for allowing the mooring rope A (5) and the mooring rope B (6) to pass through and tightening the mooring rope A (5) and the mooring rope B (6) is arranged on the bearing platform (10).
2. The method for integrally installing the floating offshore wind turbine bearing platform on the bottom of the ship according to claim 1, wherein the method further comprises the steps of assembling the wind turbine components on the floating platform (1) by using the self-elevating wind turbine hoisting platform (11), hoisting the wind turbine components on the floating platform (1), discharging ballast water in the floating platform (1) after the wind turbine is integrally installed on the floating platform (1), enabling the floating platform (1) to float, and enabling the floating platform (1) to be off-berthed by using the tug wheel (9) and the mooring rope D (8).
3. The self-contained construction method for the bottom of the floating offshore wind turbine bearing platform according to claim 1, wherein the method comprises the following steps: the self-elevating fan lifting platform (11) is positioned on the side edge of the bearing platform (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211324469.1A CN115535186B (en) | 2022-10-27 | 2022-10-27 | Floating offshore wind turbine bearing platform bottom-sitting integral construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211324469.1A CN115535186B (en) | 2022-10-27 | 2022-10-27 | Floating offshore wind turbine bearing platform bottom-sitting integral construction method |
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| Publication Number | Publication Date |
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| CN115535186A CN115535186A (en) | 2022-12-30 |
| CN115535186B true CN115535186B (en) | 2023-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211324469.1A Active CN115535186B (en) | 2022-10-27 | 2022-10-27 | Floating offshore wind turbine bearing platform bottom-sitting integral construction method |
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|---|---|---|---|---|
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| CN218594530U (en) * | 2022-10-27 | 2023-03-10 | 中电建海上风电工程有限公司 | Floating offshore wind turbine floating body and steel bearing platform stress construction structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2948092B1 (en) * | 2009-07-15 | 2015-01-23 | Saipem Sa | CATAMARAN-TYPE BOAT USEFUL FOR ASSEMBLY, TRANSPORT AND REMOVAL AT THE BOTTOM OF THE MARITIME WINDWATER SEA |
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2022
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101793106A (en) * | 2009-12-29 | 2010-08-04 | 郝钲声 | Installing mechanism of intertidal belt wind generator upright post without crane and operation method thereof |
| JP2015155655A (en) * | 2014-02-20 | 2015-08-27 | 戸田建設株式会社 | Construction method for offshore wind power generation facility |
| CN107690405A (en) * | 2015-06-26 | 2018-02-13 | 瑞士单浮筒系泊公司 | Floatation type wind turbine assembly and the method for the mooring floatation type wind turbine assembly |
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| CN115535186A (en) | 2022-12-30 |
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Effective date of registration: 20231030 Address after: No. 1, Middle Section of Huaxi Avenue, Guiyang City, Guizhou Province, 550000 Patentee after: POWERCHINA GUIZHOU ENGINEERING Co.,Ltd. Address before: 570100 Room 205, 181 Xingyang Avenue, Jiangdong New District, Haikou City, Hainan Province - 5065 Patentee before: China Power Construction Offshore Wind Power Engineering Co.,Ltd. |