CN109927857A - A kind of self-stabilising polystyle offshore floating type wind-powered electricity generation Spar platform - Google Patents
A kind of self-stabilising polystyle offshore floating type wind-powered electricity generation Spar platform Download PDFInfo
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- CN109927857A CN109927857A CN201910323340.0A CN201910323340A CN109927857A CN 109927857 A CN109927857 A CN 109927857A CN 201910323340 A CN201910323340 A CN 201910323340A CN 109927857 A CN109927857 A CN 109927857A
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- stand column
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- cabin
- polystyle
- stabilising
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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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Abstract
The invention discloses a kind of self-stabilising polystyle offshore floating type wind-powered electricity generation Spar platforms, its key points of the technical solution are that: a kind of self-stabilising polystyle offshore floating type wind-powered electricity generation Spar platform, including central rods, it is set to the wind energy conversion system of the central rods upper surface, the central rods lower end surface is provided with center stand column, the center stand column diameter is greater than the central rods, the center stand column periphery is provided with several heel posts, the heel post fits in the center stand column, the center stand column lower end is provided with damping sheet, damping sheet is in horizontally disposed, the center stand column is connected with mooring system, several cabins are provided in the center stand column and heel post, the bottom cabin of same center stand column or heel post is permanent ballast tank, it is ballast adjusting cabin that same center stand column or heel post, which are located at the cabin above permanent ballast tank,.The present invention can effectively reduce the requirement to water depth, increase the scope of application of the present invention.
Description
Technical field
The present invention relates to a kind of marine windmill floatation type basis more particularly to a kind of self-stabilising polystyle offshore floating types
Wind-powered electricity generation Spar platform.
Background technique
With land wind facies ratio, sea wind has wind speed is high, the quiet wind phase is few, wind speed with altitude variation is small, is not necessarily limited noise etc.
Plurality of advantages can be dramatically increased the generated energy of wind energy conversion system and extend the service life, in addition, marine space cost and land phase
Than there is advantageous advantage, it is suitble to large-scale develop and utilize high-quality wind energy.And with the increase of the depth of water, fixed offshore wind
The cost on machine basis increased dramatically, and in order to improve economic serviceability, compared with deep-sea domain, be sent out using floatation type basis as wind energy conversion system
The inevitable choice of exhibition.
Currently used marine windmill floatation type basis includes tension leg type platform, semisubmersible platform and Spar platform.
Tension leg type platform keeps balance by the excess buoyancy that tension leg provides, and limits the horizontal displacement of platform, this is floating
Formula basis materials are few, and operating water depth is big, but mooring system cost is high, and cost increases with the depth of water and rises rapidly；Semisubmersible platform water
Line area is big, and stability is good, is easy to build and install, but the seaway load suffered by the biggish sea area of stormy waves is larger, to mooring system
It is required that high, furthermore shallower draft, heave movement is obvious, is unfavorable for the normal operation of wind turbine system；Spar platform floats
The heart is higher than center of gravity, has unconditional stability, and movenent performance is excellent, the manipulation of mooring system and the relatively other platforms of positioning also compared with
It is easy, but cabin size is larger firmly, it is all more difficult builds transport and installation, also, Spar platform is very high to depth of water requirement.
Spar platform is a kind of floating platform suitable for depth of water larger area.Since its centre of buoyancy is higher than center of gravity, energy
Guarantee unconditional stability, increases the influence that can also further weaken wave to platform after anti-heaving structure, with other floating body knots
Structure, which is compared, has better kinetic characteristic, and construction, manipulation and the positioning of anchoring system are also relatively easy to.But this platform is to the depth of water
It is required that it is very high, it absorbs water generally in 100m or more.In view of China Huang Bohai Sea, the geographical features of the Nanhai area, it is difficult to answer on a large scale
With this platform.
The shortcomings that existing mainstream floatation type basis has itself and limitation, and the most of floating platforms currently proposed
The characteristics of what concept was directed to is then Coast of Europe sea area, it is contemplated that Chinese offshore wind speed is mainly distributed on the shallower (40m- of the depth of water
The East Sea and the Nanhai area 120m), it is clear that existing offshore floating type wind energy conversion system basis can not adapt to the practical sea situation of China, therefore
Be difficult to carry out promotion and application, in order to develop China's far-reaching extra large wind resource abundant, need to design a kind of adaptation China Seas,
Economy is strong, high comprehensive performance novel offshore floating type wind energy conversion system is basic.
Therefore, we are it is necessary to improve such a structure, to overcome drawbacks described above.
Summary of the invention
The object of the present invention is to provide a kind of self-stabilising polystyle offshore floating type wind-powered electricity generation Spar platforms, effectively reduce to the depth of water
The requirement of degree increases the scope of application of the present invention.
Above-mentioned technical purpose of the invention is that used following technical scheme is realized: a kind of self-stabilising polystyle offshore floating type
Wind-powered electricity generation Spar platform including central rods, is set to the wind energy conversion system of the central rods upper surface, and the central rods lower end surface is provided with
Center stand column, the center stand column diameter are greater than the central rods, and the center stand column periphery is provided with several heel posts, described
Heel post fits in the center stand column, and the center stand column lower end is provided with damping sheet, damping sheet in horizontally disposed, it is described in
Heart column is connected with mooring system, is provided with several cabins in the center stand column and heel post, same center stand column or
The bottom cabin of heel post is permanent ballast tank, and the cabin that same center stand column or heel post are located above permanent ballast tank is
Ballast adjusting cabin.
The further setting of the present invention are as follows: do ballast, Spar platform center of gravity using metal material in the permanent ballast tank
Lower than the centre of buoyancy of Spar platform, for being flowed in or out for adjusting the water of Spar platform in balance in the ballast adjusting cabin.
The further setting of the present invention are as follows: be provided with strut between the damping sheet and the center stand column lower end surface, institute
It states damping plate surface and offers several holes.
The further setting of the present invention are as follows: the damping sheet is set as several, several described damping sheets are along vertical side
Xiang Junyou arrangement.
The further setting of the present invention are as follows: the heel post is set as six, the bottom of the heel post and center stand column
Bottom it is concordant.
The further setting of the present invention are as follows: each heel post is provided with a ballast adjusting cabin, and the ballast is adjusted
Cabin space is less than the permanent ballast tank.
The further setting of the present invention are as follows: the center stand column be provided with for control the water in ballast adjusting cabin outflow or
The water pump of inflow, the ballast adjusting cabin, which is provided with, sways motion sensor, and the motion sensor electric signal that sways is connected with
Control device, the control device are connect with the water pump electric signal.
The further setting of the present invention are as follows: the mooring system is set as three groups, and every group is made of two mooring ropes, mooring
One end of rope is connected in center stand column, and mooring point is located at Spar platform center of gravity institute in the plane.
In conclusion the invention has the following advantages:
1) single heavy in section long cylinder is replaced in the form of center stand column and edge-on column combination, reduces construction transport
With the cost and difficulty of installation, reduces whirlpool and swash influence of the movement to platform；In addition, in lesser using section at Water Plane
Column is entreated, seaway load suffered by platform is reduced, and the requirement to water depth can be effectively reduced by damping sheet, increases this
The invention scope of application；
2) need to control ballast water according to the adjustment of the demand and equilibrium state of Spar platform A/W and buoyancy
It flows in or out, cabin is relatively small, can minimize the influence caused by structure of rocking of cabin indoor liquid, and center
Column and heel post are designed as more cabin structures, and bottommost cabin is permanently fixed ballast processing, it is ensured that the weight of platform
The heart is lower than centre of buoyancy, and platform is made to have unconditional stability；
3) motion sensor is swayed in setting in the other parts cabin of heel post, as ballast adjusting cabin, according to platform
It sways ballast water in the amplitude adjustment cabin of movement to flow in or out, so that the platform is had better stability in wave, put down
It is provided with the damping sheet of hole below platform, increases damping and additional mass of the platform in heaving direction, effectively reduces platform
Heave movement in wave.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the schematic diagram of permanent ballast tank machine ballast adjusting cabin in the present invention；
Fig. 3 is the schematic diagram of damping sheet in the present invention.
Corresponding component title represented by number in figure: 1, wind energy conversion system；2, central rods；3, center stand column；4, heel post；5,
Damping sheet；6, mooring system；7, strut；8, permanent ballast tank；9, ballast adjusting cabin；10, hole.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Diagram and specific embodiment are closed, the present invention is further explained.
As shown in Figure 1 to Figure 3, a kind of self-stabilising polystyle offshore floating type wind-powered electricity generation Spar platform proposed by the present invention, including
Central rods 2, central rods 2 are in being vertically arranged, and 2 upper surface of central rods is equipped with wind energy conversion system 1, and 2 lower end surface of central rods is fixedly installed with
Center stand column 3,3 diameter of center stand column are greater than the central rods 2, and the setting of 3 periphery of center stand column is there are six heel post 4, and six
A heel post 4 is in around the setting of center stand column 3 and center stand column 3 is fixed in fitting, and under 4 lower end surface of heel post and newel
End face, center stand column 3 and the cylindrical setting of heel post 4.3 lower end of center stand column is fixedly connected by installing strut 7
There is a damping sheet 5, damping sheet 5 is in horizontally disposed, and damping sheet 5 can be set to multiple, and multiple damping sheets 5 are in vertical and be spaced
Arrangement, the present invention select a damping sheet 5.Several holes 10 are offered on damping sheet 5, hole 10 can be set to 24
It is a.
The present invention replaces single heavy in section long cylinder using the combined form of center stand column 3 and heel post 4, reduces and builds
The cost and difficulty for making transport and installation reduce whirlpool and swash influence of the movement to platform；In addition, at Water Plane using section compared with
Small central rods 2, reduce seaway load suffered by platform.
Center stand column 3 is connected with mooring system 6, and mooring system 6 is set as three groups, and every group is made of two mooring ropes, is
One end of pool rope is connected in center stand column 3, and mooring point is located at platform center of gravity institute in the plane, because the movement of center of gravity is opposite
Smaller, the other end is connected with the anchor foundation in seabed.
Be respectively provided in center stand column 3 and heel post 4 there are five cabin, and same center stand column 3 or heel post 4 most
Lower section cabin is permanent ballast tank 8, and the cabin that same center stand column 3 or heel post 4 are located at 8 top of permanent ballast tank is ballast tune
Cabin 9 is saved, and 9 space of ballast adjusting cabin is less than the permanent ballast tank 8, makees ballast using metal material in permanent ballast tank 8,
Spar platform center of gravity is lower than the centre of buoyancy of Spar platform, flow into for the water for adjusting Spar platform in balance in ballast adjusting cabin 9 or
Outflow.The stream for needing to control ballast water that can be adjusted according to the demand and equilibrium state of Spar platform A/W and buoyancy
Enter or flow out, cabin is relatively small, can minimize the influence caused by structure of rocking of cabin indoor liquid, and center is vertical
Column 3 and heel post 4 are designed as more cabin structures, and bottommost cabin is permanently fixed ballast processing, it is ensured that the weight of platform
The heart is lower than centre of buoyancy, and platform is made to have unconditional stability.
Center stand column 3 is provided with the water pump for controlling the outflow of the water in ballast adjusting cabin 9 or flowing into, ballast adjusting cabin 9
It is provided with and sways motion sensor, sway motion sensor electric signal and be connected with control device, control device and water pump electric signal
Connection, and control device mainly includes single-chip microcontroller and its corresponding circuit, is the prior art, this will not be repeated here.In heel post 4
Other parts cabin in setting sway motion sensor, as ballast adjusting cabin 9, adjusted according to the amplitude that platform sways movement
Ballast water flows in or out in cabin, so that platform is had better stability in wave, is provided with hole below platform
10 damping sheet 5 increases damping and additional mass of the platform in heaving direction, effectively reduces heave fortune of the platform in wave
It is dynamic.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, various changes and improvements may be made to the invention without departing from the spirit and scope of the present invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent defines.
Claims (8)
1. a kind of self-stabilising polystyle offshore floating type wind-powered electricity generation Spar platform, including central rods (2), it is set to the central rods (2)
The wind energy conversion system (1) of upper surface, it is characterised in that: central rods (2) lower end surface is provided with center stand column (3), and the center is vertical
Column (3) diameter is greater than the central rods (2), and center stand column (3) periphery is provided with several heel posts (4), the heel post
(4) it fits in the center stand column (3), center stand column (3) lower end is provided with damping sheet (5), and damping sheet (5) is set in level
It sets, the center stand column (3) is connected with mooring system (6), is provided in the center stand column (3) and heel post (4) several
The bottom cabin of a cabin, same center stand column (3) or heel post (4) is permanent ballast tank (8), same center stand column (3)
Or it is ballast adjusting cabin (9) that heel post (4), which is located at the cabin above permanent ballast tank (8),.
2. a kind of self-stabilising polystyle offshore floating type wind-powered electricity generation Spar platform according to claim 1, it is characterised in that: described
Ballast is made using metal material in permanent ballast tank (8), Spar platform center of gravity is lower than the centre of buoyancy of Spar platform, and the ballast is adjusted
For being flowed in or out for adjusting the water of Spar platform in balance in cabin (9).
3. a kind of self-stabilising polystyle offshore floating type wind-powered electricity generation Spar platform according to claim 1, it is characterised in that: described
It is provided with strut (7) between damping sheet (5) and the center stand column (3) lower end surface, damping sheet (5) surface offers several
A hole (10).
4. a kind of self-stabilising polystyle offshore floating type wind-powered electricity generation Spar platform according to claim 3, it is characterised in that: described
Damping sheet (5) is set as several, several described damping sheets (5) have arrangement along the vertical direction.
5. a kind of self-stabilising polystyle offshore floating type wind-powered electricity generation Spar platform according to claim 1, it is characterised in that: described
Heel post (4) is set as six, and the bottom of the heel post (4) is concordant with the bottom of center stand column (3).
6. a kind of self-stabilising polystyle offshore floating type wind-powered electricity generation Spar platform according to claim 5, it is characterised in that: each
The heel post (4) is provided with 4 ballast adjusting cabins (9), and ballast adjusting cabin (9) space is less than the permanent ballast tank
(8)。
7. a kind of self-stabilising polystyle offshore floating type wind-powered electricity generation Spar platform according to claim 2, it is characterised in that: described
Center stand column (3) is provided with the water pump for controlling the outflow of the water in ballast adjusting cabin (9) or flowing into, the ballast adjusting cabin
(9) be provided with and sway motion sensor, the motion sensor electric signal that sways is connected with control device, the control device with
The water pump electric signal connection.
8. a kind of self-stabilising polystyle offshore floating type wind-powered electricity generation Spar platform according to claim 2, it is characterised in that: described
Mooring system (6) is set as three groups, and every group is made of two mooring ropes, and one end of mooring rope is connected on center stand column (3), is
Pool point is located at Spar platform center of gravity institute in the plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910323340.0A CN109927857A (en) | 2019-04-22 | 2019-04-22 | A kind of self-stabilising polystyle offshore floating type wind-powered electricity generation Spar platform |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910323340.0A CN109927857A (en) | 2019-04-22 | 2019-04-22 | A kind of self-stabilising polystyle offshore floating type wind-powered electricity generation Spar platform |
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| CN201910323340.0A Pending CN109927857A (en) | 2019-04-22 | 2019-04-22 | A kind of self-stabilising polystyle offshore floating type wind-powered electricity generation Spar platform |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110466705A (en) * | 2019-07-08 | 2019-11-19 | 河海大学 | A kind of semi-submersible type offshore wind turbine self-stabilization equipment |
| CN110723259A (en) * | 2019-10-17 | 2020-01-24 | 天津大学 | Spar type foundation offshore floating wind driven generator with slidable sleeve |
| CN111252205A (en) * | 2020-03-25 | 2020-06-09 | 上海惠生海洋工程有限公司 | Shallow water self-installation platform and installation method |
| CN111301623A (en) * | 2020-03-31 | 2020-06-19 | 天津大学 | Wave-absorbing type foundation offshore wind turbine |
| CN111469992A (en) * | 2020-03-17 | 2020-07-31 | 中国电建集团华东勘测设计研究院有限公司 | Floating offshore wind power structure foundation with damping effect and stability control method |
| CN112793738A (en) * | 2020-12-02 | 2021-05-14 | 交通运输部天津水运工程科学研究所 | SPAR platform with traverse and longitudinal swing plate structure |
| WO2022142415A1 (en) * | 2020-12-30 | 2022-07-07 | 华能国际电力股份有限公司江苏清洁能源分公司 | Semi-submersible offshore wind turbine unit, foundation and heave plate |
| CN115465417A (en) * | 2022-09-01 | 2022-12-13 | 大连海事大学 | Multi-floating-body semi-submersible type fan foundation |
| CN115675766A (en) * | 2022-11-04 | 2023-02-03 | 江苏景通港务有限公司 | Movable steel platform for offshore construction operation |
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| CN115465417A (en) * | 2022-09-01 | 2022-12-13 | 大连海事大学 | Multi-floating-body semi-submersible type fan foundation |
| CN115675766A (en) * | 2022-11-04 | 2023-02-03 | 江苏景通港务有限公司 | Movable steel platform for offshore construction operation |
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