CN113184117A - Novel Spar type fan whole machine floating transportation method - Google Patents
Novel Spar type fan whole machine floating transportation method Download PDFInfo
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- CN113184117A CN113184117A CN202110486706.3A CN202110486706A CN113184117A CN 113184117 A CN113184117 A CN 113184117A CN 202110486706 A CN202110486706 A CN 202110486706A CN 113184117 A CN113184117 A CN 113184117A
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- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000009434 installation Methods 0.000 claims abstract description 58
- 238000010276 construction Methods 0.000 claims abstract description 18
- 238000004873 anchoring Methods 0.000 claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 230000005484 gravity Effects 0.000 claims description 2
- 238000011900 installation process Methods 0.000 abstract description 2
- 238000009417 prefabrication Methods 0.000 abstract 1
- 238000013459 approach Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B25/00—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby
- B63B25/002—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for goods other than bulk goods
- B63B25/006—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for goods other than bulk goods for floating containers, barges or other floating cargo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
- B63B21/50—Anchoring arrangements or methods for special vessels, e.g. for floating drilling platforms or dredgers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B25/00—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby
- B63B25/28—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for deck loads
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B27/00—Arrangement of ship-based loading or unloading equipment for cargo or passengers
- B63B27/36—Arrangement of ship-based loading or unloading equipment for floating cargo
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
- B63B21/50—Anchoring arrangements or methods for special vessels, e.g. for floating drilling platforms or dredgers
- B63B2021/505—Methods for installation or mooring of floating offshore platforms on site
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
- B63B2035/4433—Floating structures carrying electric power plants
- B63B2035/446—Floating structures carrying electric power plants for converting wind energy into electric energy
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Transportation (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Wind Motors (AREA)
Abstract
The invention discloses a novel overall floating transportation method for a Spar type fan, which mainly comprises the following steps that a Spar type fan foundation is divided into an upper part and a lower part which are connected through a connecting shaft, and the upper part and the lower part are hoisted into a transportation and installation ship with a frame structure and fixed after the onshore prefabrication is finished; hoisting a tower barrel, a machine head and blades in sequence; transporting to a designated installation site, righting the lower foundation by using an automatic ballast system and locking the connecting shaft; connecting the lower foundation with the anchoring foundation by adopting a mooring system; and the complete machine installation of the fan is completed, and the transport installation ship exits from the installation site. The invention can realize the complete machine transportation of the Spar type fan, does not need large-scale offshore hoisting equipment for offshore operation, and reduces the offshore installation cost; in addition, compared with the traditional split installation process of the offshore floating type fan, the method reduces the offshore operation time and solves the problems of high offshore construction difficulty, low safety, short operation window period and the like.
Description
Technical Field
The invention belongs to the technical field of offshore wind power, and relates to a novel Spar type fan complete machine floating transportation method.
Background
With the rapid development of the global offshore wind power industry, offshore wind power development approaches saturation. The wind speed in deep and far sea areas with the water depth of more than 60m is large, the duration time is long, the wind speed is stable, and most offshore wind power resources are hidden. For deep and offshore wind power development, the foundation form is mainly floating platforms, including Semi-submersible (Semi-Sub), Spar (Spar), and Tension Leg (TLP). Compared with other forms, the Spar type platform has the advantages of being stable, good in hydrodynamic performance, relatively simple in structure, remarkable in economic advantage and wide in application prospect in deep and distant sea areas due to the fact that draught is deep and the waterplane area is small.
At present, the Spar type fan foundation is mostly a single-column straight-tube structure, and the installation mode adopts split type installation. The wind turbine is divided into four parts, namely a foundation, a tower barrel, a machine head and blades, and the four parts are respectively transported to a marine construction position by a barge and then sequentially installed and debugged. This approach has the following drawbacks: 1. the fans are transported to the open sea in a split manner, a large barge is needed, and the single machine transportation cost is high; 2. when the offshore installation is carried out, equipment such as a heavy floating crane ship, a crane ship and the like is used for assisting, so that the installation cost is high; 3. the offshore installation operation has high operation difficulty, poor safety, less effective construction operation window period and high construction cost.
Disclosure of Invention
The invention aims to solve the problems, and provides a novel Spar type fan foundation form, which can be used for realizing the complete machine transportation of Spar type fans, is simple and convenient to construct and high in success rate, and greatly reduces the risk coefficient and construction cost of fan installation in deep and remote sea areas.
In order to solve the technical problems, the invention is realized by the following technical scheme:
a novel Spar type wind turbine foundation comprises an upper foundation 1, a lower foundation 2 and a connecting shaft 8. The upper portion basis 1 and the lower part basis 2 are connected through the connecting axle 8, the connecting axle 8 is a 90-degree limiting self-locking axle.
A novel Spar type fan complete machine floating transportation method comprises the following steps:
(1) the method comprises the following steps that a Spar type fan foundation is prefabricated on land, and the foundation is divided into an upper foundation and a lower foundation which are connected through a connecting shaft;
(2) a frame structure is arranged on a deck of the transport and installation ship, and the frame structure consists of a movable part and a fixed part and is provided with an automatic telescopic device. And controlling the automatic telescopic device to extend and retract the movable part of the frame structure to the deck of the transport and installation ship. Hoisting the connected upper foundation and lower foundation into water, and fixing the upper foundation and the lower foundation in a frame structure of the transport and installation ship;
(3) sequentially hoisting a fan tower cylinder, a fan head and fan blades, completing the assembly of the whole fan, and carrying out wet towing and floating transportation to an installation site;
(4) before the fan reaches the installation site, performing seabed anchoring foundation construction;
(5) and after the construction of the anchoring foundation is finished, constructing a mooring system. One end of the mooring system is connected with the anchoring foundation, and the other end of the mooring system is connected with a buoyancy tank arranged on the mooring system and floats on the water surface;
(6) after the transport installation ship arrives at an appointed installation site, the center of gravity position is adjusted by injecting water into the lower foundation 2 cabin for ballasting, and the ballast water forms a counterclockwise restoring moment on the lower foundation, so that the lower foundation of the Spar fan foundation is slowly adjusted to be coaxial with the upper foundation, and the platform foundation is righted;
(7) the lower foundation of the straightened Spar fan foundation is connected with one end of a mooring system floating on the water surface;
(6) and the installation of the whole Spar type fan is finished, the movable part of the frame structure is pushed out of the deck through the automatic telescopic device of the frame structure, and the transport installation ship exits from the installation site along the exit channel. And after the exit is finished, controlling the automatic telescopic device to withdraw the movable part.
The invention discloses a novel Spar type fan foundation and a complete machine floating method. By utilizing the foundation form, large-scale offshore hoisting equipment and hoisting equipment are not needed to be used for offshore operation in the whole machine construction process, so that a large amount of equipment cost is reduced. Meanwhile, the one-step transportation of the whole Spar type wind turbine is realized, compared with the split installation process of the offshore wind turbine on the traditional floating foundation, the offshore operation time is shortened, and the problems of high offshore construction difficulty, low safety, short operation window period and the like are solved. In addition, the fan foundation, the fan tower barrel, the fan head and the fan blade are kept consistent in posture in the transportation process after the installation on land is completed, so that the damage risk of the fan assembly is greatly reduced, and the construction cost is reduced.
Drawings
FIG. 1 is a schematic view of the overall structure of a Spar type fan according to the present invention;
FIG. 2 is a schematic diagram of a Spar type wind turbine base in side view and top view;
FIG. 3 is a schematic diagram of the floating process of the Spar type wind turbine in the present invention;
FIG. 4 is a schematic view of the structure of the transport and installation vessel and the frame body of the present invention;
FIG. 5 is a schematic view of the process of the transport installation vessel exiting the installation site in the present invention;
in the figure, 1, an upper foundation, 2, a lower foundation, 3, a fan tower, 4, a fan head, 5, a fan blade, 6, a mooring system, 7, an anchoring foundation, 8, a connecting shaft, 9, a transportation and installation ship, 10, a frame structure, 11, a movable part, 12, a fixed part and 13, automatic telescopic devices are arranged;
Detailed Description
For further understanding of the contents, features and operation of the present invention, the following detailed description is given with reference to the accompanying drawings.
The invention provides a novel Spar type fan foundation and a complete machine floating transportation method.
The specific implementation steps are as follows:
1. spar type wind turbine foundation prefabricating on land
The diameter of the Spar type fan foundation provided by the invention is 5-20 m, referring to the attached drawings 1 and 2, the Spar type fan foundation is divided into an upper foundation 1 and a lower foundation 2, and the upper foundation 1 and the lower foundation 2 are connected through a connecting shaft 8; the connecting shaft 8 is a 90-degree limiting self-locking shaft, and the connecting shaft is automatically locked after the lower foundation 2 is righted.
2. Spar type draught fan foundation drainage
Referring to fig. 4, a frame structure 10 is mounted on the transport and installation vessel 9. The frame structure 10 is provided with 1-10 frames and comprises a movable part 11 and a fixed part 12. An automatic telescopic device 13 is arranged on the frame structure 10 and used for controlling the movable part 11 of the frame structure to extend out of or retract into the deck of the transport and installation ship 9.
The automatic retraction device 13 comprises a hydraulic arm and a controller mounted on the transport and installation vessel 9. The controller can be operated to extend and retract the hydraulic arm to achieve telescoping in the control room of the installation vessel 9.
And hoisting the connected upper foundation 1 and lower foundation 2 into water, so that the upper foundation 1 is positioned in the middle of the frame structure 10. Controlling the automatic telescopic device 13 to withdraw the movable part 11 of the frame structure, so that the frame structure 10 is clamped on the lower part of the upper foundation 1.
3. Sequentially hoisting a fan tower barrel 3, a fan head 4 and fan blades 5
And (3) assembling the rest parts of the fan in a whole machine at the wharf, and sequentially hoisting the fan tower barrel 3, the fan head 4 and the fan blade 5 by using a starting device. The state of the Spar type blower and the transport and installation vessel 9 after the assembly is finished is shown in fig. 3.
The Spar type fan is integrally hauled to an installation site by a transport and installation ship 9.
Due to the buoyancy of the cylinder foundation, the lower foundation 2 is semi-floating on the water surface in the process of assembling the whole machine and towing to an installation site.
4. Subsea anchoring foundation construction
Before the transport installation vessel 9 arrives at the installation site, the construction of the subsea anchoring base 7 is performed. The anchoring base 7 can be in the form of a suction anchor, a high holding power marine anchor, a pile anchor and the like.
5. Mooring system construction
And after the construction of the anchoring foundation 7 is finished, the construction of the mooring system 6 is carried out. One end of the mooring system 6 is connected with the anchoring foundation 7, and the other end of the mooring system is connected with the buoyancy tank and floats on the water surface.
6. Spar type wind turbine foundation righting device
After the fan arrived the installation place, through 2 inboard water injection ballast regulation focus positions to the lower part basis, the ballast water forms anticlockwise restoring moment to lower part basis 2, makes lower part basis 2 slowly adjust to 1 coaxial position with upper portion basis, and the platform basis is right, 8 auto-locks of connecting axle simultaneously.
7. Connection of wind turbine foundation and mooring system
One end of the mooring system 6 floating on the water surface is connected with the righted lower foundation 2.
8. Transport installation ship quit
And finishing the installation of the whole Spar type fan. The transport installation vessel 9 exits the installation site along an exit passage by pushing the movable part 11 of the frame structure out of the deck by means of the automatic telescopic means 13 of the frame structure 10, the process being schematically illustrated with reference to fig. 5. After the ejection is completed, the movable part 11 of the frame structure is retracted by the automatic retraction device 13.
Although the present invention has been described with reference to the exemplary embodiments, the present invention is not limited to the embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many modifications without departing from the spirit and the scope of the present invention.
Claims (7)
1. A novel Spar type fan complete machine floating transportation method is characterized by comprising the following steps:
(1) a land prefabricated Spar type wind turbine foundation is divided into an upper foundation and a lower foundation which are connected through a connecting shaft. The connecting shaft is provided with a control system for adjusting the rotating speed of the connecting shaft and also can lock and fix the shaft;
(2) installing a frame structure on a deck of a transport and installation ship, hoisting the connected upper foundation and lower foundation into water, and fixing the upper foundation and lower foundation in the frame structure on the transport and installation ship;
(3) sequentially hoisting a fan tower cylinder, a fan head and fan blades, completing the assembly of the whole fan, and carrying out wet towing and floating transportation to an installation site;
(4) before the fan reaches the installation site, performing seabed anchoring foundation construction;
(5) after the construction of the anchoring foundation is finished, carrying out mooring system construction, wherein one end of the mooring system is connected with the anchoring foundation, and the other end of the mooring system is connected with the buoyancy tank and floats on the water surface;
(6) the transportation and installation ship arrives at an appointed installation site, the gravity center position is adjusted by injecting water into the lower foundation tank for ballasting, and the ballast water forms an anticlockwise restoring moment on the lower foundation, so that the lower foundation is slowly adjusted to be coaxial with the upper foundation, the platform foundation is righted, and the connecting shaft is automatically locked;
(7) the lower foundation of the straightened Spar type fan is connected with one end of the mooring system floating on the water surface;
(8) and finishing the installation of the whole Spar type fan.
2. The overall floating transportation method of the novel Spar type fan according to claim 1, wherein the frame structure is composed of a movable part and a fixed part, and is provided with an automatic telescopic device for extending and retracting the movable part of the frame structure out of and into a deck of the transportation and installation ship.
3. The novel Spar type fan whole unit floating method according to claim 1, wherein after installation of the Spar type fan whole unit is completed, the movable part of the frame structure is pushed out of a deck through an automatic telescopic device of the frame structure, the transport installation ship exits from an installation site along an exit channel, and after exiting is completed, the automatic telescopic device is controlled to retract the movable part of the frame structure.
4. The overall floating method of the novel Spar type wind turbine as claimed in claim 1, wherein the base diameter of the Spar type wind turbine in the step (1) is 5-20 m.
5. The novel Spar type complete fan floating method according to claim 1, wherein the number of frame structures of the transport and installation ship in the step (2) is 1-10.
6. A transport installation vessel for carrying out the method according to any one of claims 1-5, characterized in that all frame structures on the deck of the transport installation vessel are formed of movable and fixed parts and are provided with automatic telescoping means, which are controlled to extend and retract the movable parts of the frame structures to and from the deck of the transport installation vessel.
7. A transport and installation vessel according to claim 6, characterised in that the number of frame structures is 1-10, for hoisting the connected upper and lower foundations into the water and fixing them in the frame structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110486706.3A CN113184117A (en) | 2021-05-01 | 2021-05-01 | Novel Spar type fan whole machine floating transportation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110486706.3A CN113184117A (en) | 2021-05-01 | 2021-05-01 | Novel Spar type fan whole machine floating transportation method |
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| CN113184117A true CN113184117A (en) | 2021-07-30 |
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| CN202110486706.3A Pending CN113184117A (en) | 2021-05-01 | 2021-05-01 | Novel Spar type fan whole machine floating transportation method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114872846A (en) * | 2022-04-25 | 2022-08-09 | 长江勘测规划设计研究有限责任公司 | Floating type fan foundation transportation structure and construction method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999041142A1 (en) * | 1998-02-12 | 1999-08-19 | Imodco, Inc. | Spar system |
| CN102369134A (en) * | 2010-07-12 | 2012-03-07 | 江苏道达海上风电工程科技有限公司 | Installation method and recovery method for offshore wind turbine |
| CN102926949A (en) * | 2012-11-19 | 2013-02-13 | 天津大学 | Floating transportation method for offshore wind power complete machine |
| CN103332269A (en) * | 2013-05-22 | 2013-10-02 | 江苏道达海上风电工程科技有限公司 | Transportation and mounting ship of knapsack complete offshore wind power machine |
| JP2018131095A (en) * | 2017-02-16 | 2018-08-23 | 戸田建設株式会社 | Floating body type ocean platform |
| CN112283043A (en) * | 2020-09-04 | 2021-01-29 | 中交第三航务工程局有限公司 | Construction method of deep open sea Spar column type platform fan |
| CN112377372A (en) * | 2020-11-03 | 2021-02-19 | 上海电气风电集团股份有限公司 | Offshore floating type fan foundation, offshore fan and installation method of offshore fan |
-
2021
- 2021-05-01 CN CN202110486706.3A patent/CN113184117A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999041142A1 (en) * | 1998-02-12 | 1999-08-19 | Imodco, Inc. | Spar system |
| CN102369134A (en) * | 2010-07-12 | 2012-03-07 | 江苏道达海上风电工程科技有限公司 | Installation method and recovery method for offshore wind turbine |
| CN102926949A (en) * | 2012-11-19 | 2013-02-13 | 天津大学 | Floating transportation method for offshore wind power complete machine |
| CN103332269A (en) * | 2013-05-22 | 2013-10-02 | 江苏道达海上风电工程科技有限公司 | Transportation and mounting ship of knapsack complete offshore wind power machine |
| JP2018131095A (en) * | 2017-02-16 | 2018-08-23 | 戸田建設株式会社 | Floating body type ocean platform |
| CN112283043A (en) * | 2020-09-04 | 2021-01-29 | 中交第三航务工程局有限公司 | Construction method of deep open sea Spar column type platform fan |
| CN112377372A (en) * | 2020-11-03 | 2021-02-19 | 上海电气风电集团股份有限公司 | Offshore floating type fan foundation, offshore fan and installation method of offshore fan |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114872846A (en) * | 2022-04-25 | 2022-08-09 | 长江勘测规划设计研究有限责任公司 | Floating type fan foundation transportation structure and construction method thereof |
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Application publication date: 20210730 |
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