CN108146588A - Floating marine formula wind power foundation structure - Google Patents
Floating marine formula wind power foundation structure Download PDFInfo
- Publication number
- CN108146588A CN108146588A CN201711385343.4A CN201711385343A CN108146588A CN 108146588 A CN108146588 A CN 108146588A CN 201711385343 A CN201711385343 A CN 201711385343A CN 108146588 A CN108146588 A CN 108146588A
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- Prior art keywords
- floating drum
- foundation structure
- floating
- column
- wind power
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Links
- 238000007667 floating Methods 0.000 title claims abstract description 123
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 18
- 230000005484 gravity Effects 0.000 abstract description 7
- 238000009434 installation Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000003466 welding Methods 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
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Wind Motors (AREA)
Abstract
The present invention relates to offshore wind farm technical fields, more particularly to a kind of floating marine formula wind power foundation structure, floating drum, at least three columns being arranged in parallel with floating drum and the truss for connecting column with floating drum placed vertically including one, the length of column is less than the length of floating drum, the upper surface of all columns is located in same level and is evenly distributed on the same circumference centered on floating drum, the inside of floating drum and column is respectively provided with ballast tank, and the upper end of floating drum is used to install the tower of Wind turbines.The floating marine formula wind power foundation structure sets longer floating drum in center, and multiple shorter columns are set in the periphery of floating drum, ballast water is added in the ballast tank of floating drum and column, the center of gravity of foundation structure entirety can be reduced by floating drum, improves the stability of the foundation structure；The water plane area of foundation structure entirety can be improved by column, increases Water Plane rigidity, so as to effectively reduce the surge motion amplitude of the foundation structure, improves effective generating dutation.
Description
Technical field
The present invention relates to offshore wind farm technical field more particularly to a kind of floating marine formula wind power foundation structures.
Background technology
With the increase of the depth of water, consider from economy and technical feasibility angle, the form of offshore wind power foundation structure from
Fixing rotary is to floatation type.Floatation type offshore wind farm is on active service in the period (being typically 20-30) far from land at it, it is necessary to
Ensure the safe and reliable of Wind turbines, particularly in the case of bad weathers, the sea situations such as experience storm, it is ensured that floatation type is marine
The stability of wind power system and safety are vital, also, the surge motion amplitude of floatation type offshore wind farm can also influence
Effective generating dutation.
The offshore wind power foundation structure of floatation type is the structure by Wind turbines support across the sea, and stability and surging are steady
The qualitative stability that can determine floatation type offshore wind farm system, safety and effective generating dutation.At present, the sea of floatation type
The form of wind power foundation structure has the platform of column, semi-submersible type and tension leg form, and all there are some for the platform of these forms
Defect, such as Spar Platform unconditional stability, but the surge motion of platform adversely affects the generating efficiency of wind turbine；Partly latent
Formula platform structure is simple, but stability is usually not easy to reach requirement, and active pressure is especially treated or used in the design phase
It carries to meet the requirement of platform stability；Tension leg platform (TLP) is more sensitive to SEA LEVEL VARIATION, and higher to installation schedule requirement.
Invention content
The technical problem to be solved in the present invention is to provide a kind of with good stability and surge motion performance, Neng Gouti
The floating marine formula wind power foundation structure of high effectively generating dutation, to overcome the drawbacks described above of the prior art.
In order to solve the above-mentioned technical problem, the present invention adopts the following technical scheme that：A kind of floating marine formula wind power foundation knot
Structure, floating drum, at least three columns being arranged in parallel with floating drum and the purlin for connecting column with floating drum placed vertically including one
Frame, the length of column are less than the length of floating drum, and the upper surface of all columns is located in same level and is evenly distributed on floating
On same circumference centered on cylinder, the inside of floating drum and column is respectively provided with ballast tank, and the upper end of floating drum is used to install Wind turbines
Tower.
Preferably, the accommodating cavity of a upper end opening is formed inside the upper end of floating drum, tower is liftably mounted on and accommodates
In cavity.
Preferably, the outer wall of tower is equipped with multiple racks, and the upper end of floating drum is equipped with the gear being meshed with rack.
Preferably, the upper end of floating drum extends radially outward out a levels operation platform.
Preferably, the lower end of floating drum is connected with a ballast, has ballast buoyancy module inside ballast.
Preferably, it is equipped at least one horizontal splitter plate in the ballast tank of floating drum, horizontal splitter plate is by the ballast tank of floating drum
It is separated at least two subdivisions.
Preferably, it is equipped at least one horizontal splitter plate in the ballast tank of column, horizontal splitter plate is by the ballast tank of column
It is separated at least two subdivisions.
Preferably, it is connected between two neighboring column by rod piece.
Preferably, the diameter of all columns is identical.
Preferably, the tower of a Wind turbines is respectively mounted in the upper end of each column.
Compared with prior art, the present invention has significant progress：
The floating marine formula wind power foundation structure of the present invention sets longer floating drum in center, and in the periphery of floating drum
Multiple shorter columns are set, ballast water is added in the ballast tank of floating drum and column, can reduce the basis by floating drum ties
The center of gravity of structure entirety improves the stability of the foundation structure；The water plane area of foundation structure entirety can be improved by column,
Increase Water Plane rigidity, so as to effectively reduce the surge motion amplitude of the foundation structure, improve effective generating dutation.
Description of the drawings
Stereoscopic schematic diagram when Fig. 1 is column there are three the floating marine formula wind power foundation structure of the embodiment of the present invention is set.
Schematic top plan view when Fig. 2 is column there are three the floating marine formula wind power foundation structure of the embodiment of the present invention is set.
Fig. 3 be the embodiment of the present invention floating marine formula wind power foundation structure be equipped with eight columns when schematic top plan view.
In figure：
1st, floating drum 2, column 3, truss
4th, tower 5, levels operation platform 6, ballast
7th, rod piece
Specific embodiment
The specific embodiment of the present invention is described in further detail below in conjunction with the accompanying drawings.These embodiments are only used for
Illustrate the present invention, and not limitation of the present invention.
In the description of the present invention, it should be noted that term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ",
The orientation or position relationship of the instructions such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description rather than instruction or dark
Show that signified device or element there must be specific orientation, with specific azimuth configuration and operation, therefore it is not intended that right
The limitation of the present invention.In addition, term " first ", " second " are only used for description purpose, and it is not intended that instruction or hint are opposite
Importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or be integrally connected；It can
To be mechanical connection or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood as the case may be
Concrete meaning in the present invention.
In addition, in the description of the present invention, unless otherwise indicated, " multiple " are meant that two or more.
As shown in Figure 1 to Figure 3, a kind of embodiment of floating marine formula wind power foundation structure of the invention.
As depicted in figs. 1 and 2, the floating marine formula wind power foundation structure of the present embodiment includes floating drum 1, column 2 and truss
3.Floating drum 1 is placed in vertical, and column 2 is equipped at least three, and all columns 2 are arranged in parallel with floating drum 1, i.e., all columns 2
Placed in vertical.Column 2 is connect by truss 3 with floating drum 1, and each column 2 is respectively connected by least one truss 3 with floating drum 1
It connects.The size all same of each column 2, and the length of column 2 is less than the length of floating drum 1.The upper surface of all columns 2 is located at same
On one horizontal plane, and all columns 2 are evenly distributed on the same circumference centered on floating drum 1, i.e., all columns 2 and floating drum 1
Between spacing distance be equal, so as to which floating drum 1 is located at the centers of all 2 place circumference of column, and two neighboring column 2
Between spacing distance be also equal.The inside of floating drum 1 and column 2 is respectively provided with ballast tank, for holding ballast, such as water,
So as to fulfill the floating marine formula wind power foundation structure stabilization across the sea of the present embodiment.The upper end of floating drum 1 is used to install wind
The tower 4 of motor group, realizes the support to Wind turbines.
The floating marine formula wind power foundation structure of the present embodiment sets longer floating drum 1 in center, and in floating drum 1
Periphery sets multiple shorter columns 2, adds in ballast water in the ballast tank of floating drum 1 and column 2, can be reduced by floating drum 1
The center of gravity of foundation structure entirety improves the stability of the foundation structure；The water of foundation structure entirety can be improved by column 2
Line face area increases Water Plane rigidity, so as to effectively reduce the surge motion amplitude of the foundation structure, when improving effectively power generation
Between.
Further, in the present embodiment, an accommodating cavity is formed inside the upper end of floating drum 1, and the upper end of the accommodating cavity is opened
Mouthful, the tower 4 of Wind turbines is liftably mounted in the accommodating cavity of 1 upper end of floating drum.During normal work, the tower of Wind turbines
Cylinder 4 stretches out the upper end end face of floating drum 1, and under stormy weather, the tower 4 of Wind turbines can then drop to the receiving of 1 upper end of floating drum
Thus cavity inside can further reduce the center of gravity of the floating marine formula wind power foundation structure entirety of the present embodiment, ensure its
Stability and safety under stormy weather.
Preferably, the tower 4 of Wind turbines liftably can in the accommodating cavity of 1 upper end of floating drum in the present embodiment
It is realized with cooperation by rack-and-pinion.For example, the present embodiment can be equipped with multiple racks on the outer wall of tower 4, floating
The upper end of cylinder 1 is equipped with the gear being meshed with rack, and is configured with retaining mechanism and driving mechanism, and driving mechanism can drive
Retaining mechanism act, retaining mechanism is enable to lock or loosen gear, when retaining mechanism by wheel gear locking when on rack, can be real
The tower 4 of existing Wind turbines ensures its normal working performance in the locking positioning of 1 upper end of floating drum；When retaining mechanism puts gear
Song Shi, the tower 4 of Wind turbines can then drop to inside the accommodating cavity of 1 upper end of floating drum；Driving mechanism also is able to drive gear
Rotation is risen by the rotation band carry-over bar of gear, therewith so as to fulfill the tower 4 dropped to inside 1 upper end accommodating cavity of floating drum
Again the upper end end face for stretching out floating drum 1 is risen to.The retaining mechanism and driving mechanism may be used existing in the prior art
Rack-and-pinion retaining mechanism and driving mechanism, it will not go into details herein.
Further, in the present embodiment, the upper end of floating drum 1 extends radially outward out a levels operation platform 5, for placing
Other articles or the standing of staff provide corresponding operation on the sea space.The size of the levels operation platform 5 not office
Limit, can be designed according to actual needs.
Further, in the present embodiment, the lower end of floating drum 1 is connected with a ballast 6, and 6 inside of ballast is floated with ballast
Cabin adds in ballast water into the ballast buoyancy module of ballast 6, can further reduce the floating marine formula wind power foundation of the present embodiment
The center of gravity of structure entirety improves the stability of the foundation structure.Preferably, it is larger, high to compare 1 width of floating drum for the size of ballast 6
Degree is smaller.The shape of ballast 6 can be rectangular, or round.
Further, in the present embodiment, at least one horizontal splitter plate is equipped in the ballast tank of floating drum 1, horizontal splitter plate will
The ballast tank of floating drum 1 is separated at least two subdivisions, thus can adjust the ballast water capacity in floating drum 1 according to actual needs.
Further, in the present embodiment, at least one horizontal splitter plate is equipped in the ballast tank of column 2, horizontal splitter plate will
The ballast tank of column 2 is separated at least two subdivisions, ballast water capacity that thus can according to actual needs in adjusting post 2.
In the present embodiment, the arrangement form and quantity of the truss frame for connecting 3 between each column 2 and floating drum 1 do not limit to, should
This requires to be designed according to the bonding strength between column 1 and floating drum 1.Truss 3 can be equipped with it is multiple, multiple truss 3 can
To be set in horizontal and parallel interval, can also set with setting or intersect to inclined and parallel interval.
Further, in the present embodiment, it can be connected between two neighboring column 2 by rod piece 7 (referring to Fig. 3), thus can strengthen standing
Bonding strength between column 1, between column 1 and floating drum 1 further increases the floating marine formula wind power foundation structure of the present embodiment
Globality and stability, reduce its surge motion amplitude.
In the present embodiment, column 2 and the outer diameter of floating drum 1 do not limit to.Preferably, the diameter of all columns 2 is identical,
Column 2 is equal with the outer diameter of floating drum 1.The outer diameter of truss 3 and rod piece 7 is then respectively less than the outer diameter of column 2 and floating drum 1.
The quantity of the present embodiment central post 2 is not limited to Fig. 1 and three shown in Figure 2, can be according to practical sea
Job requirements are designed, such as shown in Fig. 3, and column 2 can also set eight, and eight columns 2 are centered on floating drum 1
It is uniformly distributed on same circumference.Preferably, increase the quantity of column 2, and increase the spacing distance between column 2 and floating drum 1, it can
With under the premise of the floating marine formula wind power foundation structure entirety stability and surge motion performance is ensured, in each column 2
Upper end be respectively mounted the towers 4 of a Wind turbines, the system for realizing the more Wind turbines of more columns, so as to effectively improve system work
Make efficiency.To ensure the intensity on floating basis, adjacent column 2 can be connected by rod piece 7, to ensure integral strength.3 He of truss
The concrete form of rod piece 7 is advisable with meeting basic integral strength requirement.
The assembling process of the floating marine formula wind power foundation structure of the present embodiment is：After the completion of dock construction, by column 2
It is fitted together with truss 3 (rod piece 7 can also be included), forms hull part, floating drum 1 and ballast 6 are fitted together, structure
Into buoy section, hull part and buoy section can be respectively from dock towages to target marine site, and wherein buoy section can be horizontal
Delivery, then hull part and buoy section dry can be dragged or wet be dragged.After reaching target marine site, first by ballast and crane barge by water
Flat buoy section righting makes it that vertical state be presented, and pass through ballast to reduce the height that the upper end is exposed the surface, hull part
Then towage is adjusted to the upper end of buoy section, and by buoy section to the geometric center of hull part under light condition；Then lead to
Cross buoy section row load, hull section partial pressure carries so that the relative position between buoy section and hull section point is adjusted to design position
It puts；Hull part and buoy section are connected as one by welding or being bolted again.Finally the tower of Wind turbines 4 is hung
It is filled to the upper end of floating drum 1 or column 2.Certainly, the tower 4 of Wind turbines can also in dock first with floating drum 1 or column 2
Fit together, then therewith towage to target marine site.
In conclusion the floating marine formula wind power foundation structure of the present embodiment sets longer floating drum 1 in center, and
Multiple shorter columns 2 are set in the periphery of floating drum 1, ballast water is added in the ballast tank of floating drum 1 and column 2, passes through floating drum
1 can reduce the center of gravity of foundation structure entirety, improve the foundation structure stability；The foundation structure can be improved by column 2
Whole water plane area increases Water Plane rigidity, so as to effectively reduce the surge motion amplitude of the foundation structure, improves effective
Generating dutation.In addition, the tower 4 of Wind turbines is liftably mounted in the accommodating cavity of 1 upper end of floating drum.In stormy weather
Under, the tower 4 of Wind turbines can drop to inside the accommodating cavity of 1 upper end of floating drum, thus can further reduce the present embodiment
The center of gravity of floating marine formula wind power foundation structure entirety, ensures its stability and safety under stormy weather.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvement and replacement can also be made, these improve and replace
Also it should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of floating marine formula wind power foundation structure, which is characterized in that including one place vertically floating drum (1), at least three
The column (2) being arranged in parallel with the floating drum (1) and the truss (3) for connecting the column (2) with the floating drum (1), institute
The length for stating column (2) is less than the length of the floating drum (1), and the upper surface of all columns (2) is located in same level
And be evenly distributed on the same circumference centered on the floating drum (1), the inside of the floating drum (1) and the column (2) is equal
With ballast tank, the upper end of the floating drum (1) is used to install the tower (4) of Wind turbines.
2. floating marine formula wind power foundation structure according to claim 1, which is characterized in that the upper end of the floating drum (1)
Inside forms the accommodating cavity of a upper end opening, and the tower (4) is liftably mounted in the accommodating cavity.
3. floating marine formula wind power foundation structure according to claim 2, which is characterized in that the outer wall of the tower (4)
Multiple racks are equipped with, the upper end of the floating drum (1) is equipped with the gear being meshed with the rack.
4. floating marine formula wind power foundation structure according to claim 1, which is characterized in that the upper end of the floating drum (1)
Extend radially outward out a levels operation platform (5).
5. floating marine formula wind power foundation structure according to claim 1, which is characterized in that the lower end of the floating drum (1)
It is connected with a ballast (6), there is ballast buoyancy module inside the ballast (6).
6. floating marine formula wind power foundation structure according to claim 1, which is characterized in that the ballast of the floating drum (1)
At least one horizontal splitter plate is equipped in cabin, the ballast tank of the floating drum (1) is separated at least two by the horizontal splitter plate
Subdivision.
7. floating marine formula wind power foundation structure according to claim 1, which is characterized in that the ballast of the column (2)
At least one horizontal splitter plate is equipped in cabin, the ballast tank of the column (2) is separated at least two by the horizontal splitter plate
Subdivision.
8. floating marine formula wind power foundation structure according to claim 1, which is characterized in that the two neighboring column
(2) it is connected between by rod piece (7).
9. floating marine formula wind power foundation structure according to claim 1, which is characterized in that all columns (2)
Diameter is identical.
10. floating marine formula wind power foundation structure according to claim 1, which is characterized in that in each column (2)
Upper end be respectively mounted the towers (4) of a Wind turbines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711385343.4A CN108146588A (en) | 2017-12-20 | 2017-12-20 | Floating marine formula wind power foundation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711385343.4A CN108146588A (en) | 2017-12-20 | 2017-12-20 | Floating marine formula wind power foundation structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108146588A true CN108146588A (en) | 2018-06-12 |
Family
ID=62464587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711385343.4A Pending CN108146588A (en) | 2017-12-20 | 2017-12-20 | Floating marine formula wind power foundation structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN108146588A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110282086A (en) * | 2019-06-25 | 2019-09-27 | 张春芳 | A kind of be pressurized by wave stablizes aquatic building pedestal |
| CN111927698A (en) * | 2020-06-22 | 2020-11-13 | 山东中能融合海上风力发电机组有限公司 | Offshore floating type liftable wind generating set |
| CN112339922A (en) * | 2020-10-27 | 2021-02-09 | 华能国际电力股份有限公司浙江清洁能源分公司 | Offshore wind power construction platform |
| CN112455617A (en) * | 2020-12-04 | 2021-03-09 | 清华大学 | Novel semi-submersible offshore wind power platform |
| CN113148038A (en) * | 2021-04-14 | 2021-07-23 | 哈尔滨工业大学（深圳） | Split type showy fan base and showy fan |
| CN114802623A (en) * | 2022-04-25 | 2022-07-29 | 中国电建集团贵阳勘测设计研究院有限公司 | Floating body for floating offshore wind power generation equipment |
| CN117128142A (en) * | 2023-10-09 | 2023-11-28 | 中国电力工程顾问集团有限公司 | Method and device for transporting mud floating type offshore wind turbine system |
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| CN102758447A (en) * | 2012-07-30 | 2012-10-31 | 北京金风科创风电设备有限公司 | Semi-submersible offshore floating fan foundation |
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| CN202272153U (en) * | 2011-09-30 | 2012-06-13 | 山东长星风电科技有限公司 | Offshore combination type floating wind power generation platform |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110282086A (en) * | 2019-06-25 | 2019-09-27 | 张春芳 | A kind of be pressurized by wave stablizes aquatic building pedestal |
| CN111927698A (en) * | 2020-06-22 | 2020-11-13 | 山东中能融合海上风力发电机组有限公司 | Offshore floating type liftable wind generating set |
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| CN112455617A (en) * | 2020-12-04 | 2021-03-09 | 清华大学 | Novel semi-submersible offshore wind power platform |
| CN113148038A (en) * | 2021-04-14 | 2021-07-23 | 哈尔滨工业大学（深圳） | Split type showy fan base and showy fan |
| CN114802623A (en) * | 2022-04-25 | 2022-07-29 | 中国电建集团贵阳勘测设计研究院有限公司 | Floating body for floating offshore wind power generation equipment |
| CN114802623B (en) * | 2022-04-25 | 2023-11-28 | 中国电建集团贵阳勘测设计研究院有限公司 | Floating body for floating type offshore wind power generation equipment |
| CN117128142A (en) * | 2023-10-09 | 2023-11-28 | 中国电力工程顾问集团有限公司 | Method and device for transporting mud floating type offshore wind turbine system |
| CN117128142B (en) * | 2023-10-09 | 2024-02-13 | 中国电力工程顾问集团有限公司 | Method and device for transporting mud floating type offshore wind turbine system |
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