CN115107944A - Height-adjustable offshore wind power jacket offshore towing structure - Google Patents
Height-adjustable offshore wind power jacket offshore towing structure Download PDFInfo
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- CN115107944A CN115107944A CN202210905085.2A CN202210905085A CN115107944A CN 115107944 A CN115107944 A CN 115107944A CN 202210905085 A CN202210905085 A CN 202210905085A CN 115107944 A CN115107944 A CN 115107944A
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- wind power
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- 239000007788 liquid Substances 0.000 claims description 18
- 238000010276 construction Methods 0.000 claims description 12
- 238000005188 flotation Methods 0.000 abstract 3
- 238000009434 installation Methods 0.000 description 5
- 230000005484 gravity Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 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
- 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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- 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
-
- 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
- F03D13/40—Arrangements or methods specially adapted for transporting wind motor components
-
- 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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- 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)
- Mechanical Engineering (AREA)
- Combustion & Propulsion (AREA)
- Sustainable Energy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- General Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Wind Motors (AREA)
Abstract
The invention discloses a height-adjustable offshore wind power jacket offshore towing structure, which relates to the technical field of ships and ocean engineering and comprises a jacket body, wherein the jacket body is of a vertical structure; the floating body device is arranged below the jacket body and used for supporting the jacket body to carry out sea surface transportation; wherein, a side end face of body device and the bottom welded fastening of jacket body, body device include a plurality of body flotation tanks, each body flotation tank welded connection each other, and the body flotation tank is used for adjusting buoyancy. According to the offshore towing structure of the offshore wind power jacket with the adjustable height, disclosed by the invention, the jacket body is fixed on the floating body device, so that the transportation height of the jacket body can be effectively reduced compared with the case that the jacket body is placed on a ship for transportation, and the jacket body can pass through a height limiting area more easily. Need not to choose for use the boats and ships of bigger specification to transport the jacket body, practice thrift the cost of transportation, and the body device can use repeatedly, practices thrift the cost.
Description
Technical Field
The invention relates to the technical field of ships and ocean engineering, in particular to a height-adjustable offshore wind power jacket offshore towing structure.
Background
The wind power jacket is a basic supporting structure of wind power, and adopts a structure with more than three piles and an internal hollow structure. The wind power jacket structure is ultra-high and ultra-wide in size, generally 50 m-70 m in height and 20-30 m in width. After being constructed, the building blocks need to be transported to the site of offshore wind farm installation by ships for installation.
The transportation route relates to height-limited public facilities such as bridges, high-voltage cables crossing the river and the like which are arranged above a channel, so that the transportation height of the wind power jacket needs to be controlled to avoid collision with the bridges and the high-voltage cables crossing the river. Shipping is generally used, and the height of the shipping jacket includes the height of the ship's freeboard, i.e., the total height of the shipping jacket includes the height of the jacket and the height of the ship's freeboard, which is disadvantageous in terms of the shipping height control of the jacket. When passing through height-limiting navigation sections such as bridges and river-crossing high-voltage cables, ships with corresponding specifications need to be selected for transportation according to the jacket, and the transportation cost is high and the efficiency is low.
Disclosure of Invention
The present invention is intended to solve at least the "total transport height" existing in the prior art, including the height of the jacket and the height of the ship's freeboard, which is disadvantageous to the transport height control of the jacket. When passing through height-limiting navigation sections such as bridges and river-crossing high-voltage cables, ships with corresponding specifications need to be selected for transportation according to jacket, and the transportation cost is high, and the efficiency is low. Therefore, the height-adjustable offshore towing structure for the offshore wind power jacket can reduce the transportation cost of the jacket, meet the height requirement of jacket transportation and save the cost.
An adjustable height offshore wind power jacket offshore towing configuration according to some embodiments of the present invention, comprising:
the jacket body is of a vertical structure;
the floating body device is arranged below the jacket body and is used for supporting the jacket body to carry out sea surface transportation;
the end face of one side of the floating body device is welded and fixed with the bottom of the jacket body, the floating body device comprises a plurality of floating body buoyancy tanks, the floating body buoyancy tanks are welded and connected with each other, and the floating body buoyancy tanks are used for adjusting buoyancy.
According to some embodiments of the invention, the jacket body weighs 700 to 1200 tons.
According to some embodiments of the invention, the jacket body has a height of 50-70 meters.
According to some embodiments of the invention, the jacket body has a bottom area that is larger than a top area.
According to some embodiments of the invention, the buoyant hull device comprises a load-bearing platform, the buoyant hull is welded to the periphery of the load-bearing platform, and the bottom of the jacket body is welded to the end face of the load-bearing platform.
According to some embodiments of the invention, the load-bearing platform has a height of 0.8-1.5 meters, a width of 20-40 meters, and a length of 20-40 meters.
According to some embodiments of the invention, the load-bearing platform is a closed watertight structure, the load-bearing platform being internally filled or relieved with liquid for adjusting the buoyancy of the float device.
According to some embodiments of the invention, the buoyant hull is a closed watertight structure, the interior of the buoyant hull filled or released with a liquid for adjusting the buoyancy of the buoyant device.
According to some embodiments of the invention, the buoyant hull is welded to the load-bearing platform in a stacked configuration around the perimeter of the load-bearing platform.
According to some embodiments of the invention, the buoyant apparatus has a draft of 1-12 meters; when the floating body device reaches the maximum draught, the height of the jacket body exposed out of the liquid level is less than 60 meters.
The height-adjustable offshore wind power jacket offshore towing structure according to some embodiments of the invention has at least the following beneficial effects: the jacket body is fixed on the floating body device, and the height of the jacket body in transportation can be effectively reduced compared with the height of the jacket body in transportation on a ship, so that the jacket body can pass through a height limiting area more easily. Need not to choose for use bigger specification's boats and ships to transport the jacket body, practice thrift the cost of transportation, just the body device can use repeatedly, practices thrift the cost.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic view of a combination of a jacket body and a float device according to an embodiment of the invention;
FIG. 2 is a top view of a combination of a jacket body and a float device according to an embodiment of the invention;
FIG. 3 is a side view of a float device according to an embodiment of the invention;
fig. 4 is a top view of a float device according to an embodiment of the present invention.
Reference numerals:
a jacket body 100, a buoyant apparatus 200, a load-bearing platform 210, a buoyant hull buoyancy tank 220.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, top, bottom, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplicity of description, and does not indicate or imply that the device or element 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.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
The height-adjustable offshore wind power jacket offshore towing structure, hereinafter referred to as an offshore towing structure, according to an embodiment of the present invention is described below with reference to fig. 1 to 4.
As shown in fig. 1 to 4, the offshore towing structure of the offshore wind power jacket with adjustable height comprises a jacket body 100 and a floating body device 200, wherein the jacket body 100 is in a vertical structure and vertically arranged on the surface of the floating body device 200, the jacket body 100 is supported by the buoyancy of the floating body device 200, and the jacket body 100 is transported by pulling the floating body device 200 by a ship. Compared with the existing mode of placing the jacket body 100 on the deck of a ship for transportation, the offshore towing structure can place the jacket body 100 on the floating body device 200, and the floating body device 200 is directly placed on the liquid level, so that the total height of the jacket body 100 for transportation is reduced. The transportation height is reduced to a great extent, and the transportation is more convenient. And ships with different specifications do not need to be selected for transportation according to the specification of the jacket body 100, so that the transportation cost is saved.
Specifically, the float device 200 is disposed below the jacket body 100, and the float device 200 is used to support the jacket body 100 for sea transportation. Wherein, a side end face of the floating body device 200 is welded and fixed with the bottom of the jacket body 100 to form a whole, so that the gravity center position of the jacket body 100 is reduced, and the transportation is more stable. After the installation site is reached, the jacket body 100 is installed in the target area through cutting and separating, and the wind power station is convenient to install on site.
The floating body device 200 includes a plurality of floating body buoyancy tanks 220, the floating body buoyancy tanks 220 are welded to each other, and the floating body buoyancy tanks 220 are used to adjust buoyancy, thereby performing towing height adjustment according to the specification of the jacket body 100. When passing through the height-limited region, the total height above the liquid level of the jacket body 100 and the buoyant apparatus 200 is reduced by increasing the draft of the buoyant apparatus 200. When navigating in a leg of the unlimited height area, the float device 200 can be adjusted to a minimum draft to increase the overall height. The drag of towing is reduced. The float device 200 can be reused and the draft can be adjusted to adjust the overall surface height. The jacket body 100 and the floating body device 200 are welded and fixed, so that the transportation process is more stable. The marine towing structure is safe, reliable and simple, can be repeatedly utilized, and effectively reduces the transportation cost.
In some embodiments of the invention, the jacket body 100 weighs between 700 tons and 1200 tons. In particular, the offshore towing structure of the invention has a buoyancy load in the range of 700 tons to 1200 tons. The jacket body 100 exceeding the weight specification needs to be transported by a ship with a corresponding displacement.
In a further embodiment, as shown in fig. 1, the jacket body 100 has a height of 50 meters to 70 meters. Specifically, the offshore towing structure of the invention carries a jacket body 100 having a height of between 50 and 70 meters. When the floating body device 200 is positioned at the maximum draught, the height above the liquid level of the jacket body 100 is reduced to be below 60 meters, and the navigation requirement of most height-limited navigation sections is met.
In some embodiments of the invention, as shown in fig. 1, the jacket body 100 has a bottom area that is larger than a top area. The jacket transported by the inventive float device 200 is of a conical structure, which has a larger bottom contact area and a more stable center of gravity. The floating body device 200 can obtain a larger contact area after being welded with the jacket body 100, so that the transportation process is more stable.
In some embodiments of the present invention, as shown in fig. 1 and 2, the buoyant device 200 includes a load-bearing platform 210, the buoyant tanks 220 are welded to the periphery of the load-bearing platform 210, and the bottom of the jacket body 100 is welded to the end face of the load-bearing platform 210. In particular, the load-bearing platform 210 is responsible for welding with the jacket body 100 and providing a transport plane to support the jacket body 100. And the floating body buoyancy tank 220 is welded to the periphery of the load-bearing platform 210 to reduce the area occupancy of the load-bearing platform 210. Maximizing the load bearing area of the load-bearing platform 210 allows for a larger foot area of the jacket body 100.
In some embodiments of the present invention, as shown in fig. 1-4, the load-bearing platform 210 has a height H of 0.8-1.5 meters, a width a of 20-40 meters, and a length B of 20-40 meters.
In a further embodiment, load-bearing platform 210 is a closed watertight structure, with the interior of load-bearing platform 210 being filled or relieved with liquid for buoyancy of buoyant apparatus 200. Specifically, the inner cavity of the bearing platform 210 is a sealing structure, and a plurality of cavities are arranged inside the inner cavity. Injecting liquid into the cavity increases the weight of the load platform 210, thereby increasing the draft of the float assembly 200. The end face of the bearing platform 210 is provided with an openable and closable hole structure, and liquid is injected into the bearing platform 210 through the hole structure or the liquid in the bearing platform 210 is released, so that the draft of the bearing platform 210 is changed, and the height above the liquid level of the jacket body 100 is adjusted.
In some embodiments of the present invention, the float chamber 220 is a closed watertight structure, and the inside of the float chamber 220 is filled or released with liquid for adjusting the buoyancy of the float device 200. Specifically, the internal structure of the buoyant hull 220 is the same as the structure of the load-bearing platform 210 and will not be described in detail in this embodiment.
In some embodiments of the present invention, the floating body pontoons 220 are stacked and welded to the perimeter of the load-bearing platform 210. The buoyant pontoons 220 around the load-bearing platform 210 can increase the draft of the buoyant apparatus 200 by progressive stacking welding.
In some embodiments of the invention, as shown in fig. 1 and 3, the buoyant apparatus 200 has a draft of 1 meter to 12 meters. When the floating body device 200 reaches the maximum draft, the height of the jacket body 100 exposed to the liquid surface is less than 60 meters. The draft range is T2 when navigating in an unlimited height area and T1 when navigating in a limited height area.
The offshore towing structure of the present invention can be repeatedly used, and the transportation efficiency of the jacket body 100 is improved at a low construction cost, thereby shortening the construction period of the jacket body 100 and improving the installation efficiency. The total height can be reduced by injecting liquid into the floating body device 200 in the height-limited voyage section, and the voyage resistance can be improved and reduced by releasing the liquid in the floating body device 200 in the non-height-limited voyage section.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. The utility model provides an offshore wind power jacket marine towing structure of adjustable height which characterized in that includes:
a jacket body (100), the jacket body (100) being of a vertical structure;
the floating body device (200) is arranged below the jacket body (100), and the floating body device (200) is used for supporting the jacket body (100) to carry out sea surface transportation;
the end face of one side of the floating body device (200) is welded and fixed with the bottom of the jacket body (100), the floating body device (200) comprises a plurality of floating body buoyancy tanks (220), the floating body buoyancy tanks (220) are welded and connected with each other, and the floating body buoyancy tanks (220) are used for adjusting buoyancy.
2. Height-adjustable offshore wind power jacket offshore towing construction according to claim 1, characterized in that the weight of the jacket body (100) is 700-1200 tons.
3. Height-adjustable offshore wind power jacket offshore towing construction according to claim 1, characterized in that the jacket body (100) has a height of 50-70 meters.
4. Height-adjustable offshore wind power jacket offshore towing construction according to claim 3, characterized in that the jacket body (100) has a bottom area that is larger than a top area.
5. Height-adjustable offshore wind power jacket offshore towing construction according to claim 1, characterized in that the float device (200) comprises a carrying platform (210), the float buoyancy tank (220) is welded to the periphery of the carrying platform (210), and the bottom of the jacket body (100) is welded to the end face of the carrying platform (210).
6. Height-adjustable offshore wind power jacket offshore towing construction according to claim 5, characterized in that the load-bearing platform (210) has a height of 0.8-1.5 meters, a width of 20-40 meters and a length of 20-40 meters.
7. Height-adjustable offshore wind power jacket offshore towing construction according to claim 6, characterized in that the load-bearing platform (210) is a closed watertight structure, the load-bearing platform (210) being internally filled or relieved with liquid for adjusting the buoyancy of the buoyant device (200).
8. Height-adjustable offshore wind power jacket offshore towing construction according to claim 5, characterized in that the buoyant float tanks (220) are closed watertight constructions, the interior of the buoyant float tanks (220) being filled or released with liquid for adjusting the buoyancy of the buoyant device (200).
9. The adjustable height offshore wind power jacket offshore towing construction of claim 8, wherein the buoyant float tanks (220) are stack welded to the perimeter of the load-bearing platform (210).
10. Height-adjustable offshore wind power jacket offshore towing construction according to any of claims 1 to 9, characterized in that the floating body arrangement (200) has a draft of 1-12 meters; when the floating body device (200) reaches the maximum draft, the height of the jacket body (100) exposed out of the liquid level is less than 60 meters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210905085.2A CN115107944A (en) | 2022-07-29 | 2022-07-29 | Height-adjustable offshore wind power jacket offshore towing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210905085.2A CN115107944A (en) | 2022-07-29 | 2022-07-29 | Height-adjustable offshore wind power jacket offshore towing structure |
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| Publication Number | Publication Date |
|---|---|
| CN115107944A true CN115107944A (en) | 2022-09-27 |
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| CN202210905085.2A Pending CN115107944A (en) | 2022-07-29 | 2022-07-29 | Height-adjustable offshore wind power jacket offshore towing structure |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107630461A (en) * | 2017-09-28 | 2018-01-26 | 天津大学 | Four floating drum buoyancy tank foundation structures and its construction method on a kind of combined type sea |
| CN112900402A (en) * | 2021-02-05 | 2021-06-04 | 周宏勤 | Jacket type offshore high-altitude installation operation platform and positioning method thereof |
| CN214143795U (en) * | 2020-12-22 | 2021-09-07 | 天津大学 | Offshore wind turbine foundation floating ice towing equipment |
| CN113417311A (en) * | 2021-06-16 | 2021-09-21 | 张浦阳 | Offshore wind power multi-cylinder jacket foundation construction method |
| CN218489862U (en) * | 2022-07-29 | 2023-02-17 | 广东中远海运重工有限公司 | Height-adjustable offshore wind power jacket offshore towing structure |
-
2022
- 2022-07-29 CN CN202210905085.2A patent/CN115107944A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107630461A (en) * | 2017-09-28 | 2018-01-26 | 天津大学 | Four floating drum buoyancy tank foundation structures and its construction method on a kind of combined type sea |
| CN214143795U (en) * | 2020-12-22 | 2021-09-07 | 天津大学 | Offshore wind turbine foundation floating ice towing equipment |
| CN112900402A (en) * | 2021-02-05 | 2021-06-04 | 周宏勤 | Jacket type offshore high-altitude installation operation platform and positioning method thereof |
| CN113417311A (en) * | 2021-06-16 | 2021-09-21 | 张浦阳 | Offshore wind power multi-cylinder jacket foundation construction method |
| CN218489862U (en) * | 2022-07-29 | 2023-02-17 | 广东中远海运重工有限公司 | Height-adjustable offshore wind power jacket offshore towing structure |
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