CN103410677A - Single-pile fixed vertical shaft wind power generator with suction caisson - Google Patents
Single-pile fixed vertical shaft wind power generator with suction caisson Download PDFInfo
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- CN103410677A CN103410677A CN2013103953156A CN201310395315A CN103410677A CN 103410677 A CN103410677 A CN 103410677A CN 2013103953156 A CN2013103953156 A CN 2013103953156A CN 201310395315 A CN201310395315 A CN 201310395315A CN 103410677 A CN103410677 A CN 103410677A
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- suction caisson
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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
- Y02E10/72—Wind turbines with rotation axis in wind direction
Abstract
The invention relates to a single-pile fixed vertical shaft wind power generator with a suction caisson in the technical field of marine fixed wind power generation, and the wind power generator comprises a vertical axis wind power generator, and a tower drum and the suction caisson which are arranged at the bottom of the machine in sequence and are provided with working platforms. The suction caisson is of an integral barrel-shaped structure which is formed by welding a steel sheet; a drainage short pipe and a flange are arranged on the top of the suction caisson. The single-pile fixed vertical shaft wind power generator with the suction caisson overcomes the defects of the prior art that the foundation installation fee of an offshore wind power generator is high, the installation cycle is long, the internal stress of the foundation of the offshore wind power generator is high, and the occupied area of a wind field is large, and has the advantages that the installation of the foundation of thewind power generator the whole system is quick, the installation cost is low, the internal stress of the foundation of the wind power generator is low, the occupied oceanic area of the wind field is small, and the like.
Description
Technical field
What the present invention relates to is the device of the fixed technical field of wind power generation in a kind of sea, specifically a kind of stationary type vertical of single pile with suction caisson axle wind turbine.
Background technique
Current offshore wind farm exploitation is confined to shallow water area and transition region (the about 0-50 rice of the depth of water), mainly adopts the fixed horizontal shaft wind-power machine of single pile, tripod (or jacket) formula horizontal shaft wind-power machine.Different from traditional land wind turbine, the basic expense (comprising mounting cost) of coastal waters wind turbine is occupied sizable proportion in the cost of whole wind turbine system.Existing coastal waters wind turbine all has the deficiency of two aspects: 1) wind turbine basis mounting cost is high, installation period is long; 2) the horizontal shaft wind-power machine is large to the stress of supporting basis to produce, and the wind field occupation area is large.For example when being installed, the single-pile foundation of the fixed horizontal shaft wind-power machine of single pile need to rent very expensive floating pile driver, piling process length consuming time; The grouting maintenance also needs the time of several days to complete, and runs into atrocious weather construction and also can be delayed.The horizontal shaft wind-power chance produces decelerating effect to air on the other hand, this forces the artificer to carry out layout wind field wind turbine by the spacing that is greater than 10 times of wind turbine self width, because an Offshore Winds often is comprised of up to a hundred or more typhoon motors, this will certainly greatly increase the wind field area, due to the many marine parks of coastal waters shallow water area, river channel gathers, excessive Offshore Winds area will certainly cause adverse influence to fishery and aquatic products industry production, also can affect significantly navigation safety.Thereby how to reduce the coastal waters wind turbine basic mounting cost, shorten basic installation period, reduce offshore wind farms and take oceanic area and become people's problem anxious to be resolved.
Through the retrieval to prior art, find, Chinese patent literature CN103174129A, open day 2013-06-26, disclose a kind of offshore wind turbine single tube pile foundation device, comprising: pile tube, changeover portion, circumferential shear connector and grout blanket; Described changeover portion is set in the top of described pile tube, and the bottom of described pile tube can be inserted in sea bed; Described grout blanket is filled between described pile tube and described changeover portion; Described circumferential shear connector is fixed on described pile tube outer wall and/or described changeover portion inwall and is embedded in described grout blanket along described pile tube axial direction Spaced.Owing on the outer wall at pile tube and changeover portion inwall, being provided with circumferential shear connector, this circumferential shear connector is embedded in grout blanket, thereby can improve the join strength of pile tube and changeover portion, vertical force, horizontal bending moment and torsional moment that changeover portion is passed over effectively pass to pile tube and pass to sea bed again, and can lower the manufacture cost of offshore wind power generation basic single tube pile foundation device.But the wind turbine of this existing system basis mounting cost is very high, installation period is still very long, still needs to rent very expensive floating pile driver when single-pile foundation is installed, piling process length consuming time, noise pollution is high; The grouting maintenance also needs the time of several days to complete, and the prior art also only limits to when the depth of water is less than 20 meters to adopt, and the separate unit wind turbine of installing is generally maximum only can send the electric power of 3.5 megawatts.
Chinese patent literature CN102433890, open day 2012-05-02, a kind of floating type offshore wind turbine base and navigation system thereof are disclosed, described navigation system comprises at least three catenaries, one end of described at least three catenaries is connected respectively to blower foundation, the other end of described at least three catenaries is connected respectively to sea bed, so that blower foundation stress balance, wherein, described navigation system also comprises tensioned thread, and the direction along the longitudinal center's line parallel with blower foundation extends to sea bed to be connected to sea bed to described tensioned thread from the bottom of blower foundation.Floating type offshore wind turbine base with described positioning system structure is simple and reliable, cost is low, can effectively reduce the complete machine motion amplitude of floating marine formula blower fan.But what this technology adopted is the horizontal shaft wind-power machine, the horizontal shaft wind-power chance produces decelerating effect to air, this forces the artificer to carry out layout wind field wind turbine by the spacing that is greater than 10 times of wind turbine self width, because an Offshore Winds often is comprised of up to a hundred or more typhoon motors, this will certainly greatly increase the wind field area, excessive Offshore Winds area will certainly cause adverse influence to fishery and aquatic products industry production, also can affect significantly navigation safety.
Summary of the invention
The present invention is directed to the prior art above shortcomings, propose a kind of stationary type vertical of single pile with suction caisson axle wind turbine, overcome that prior art coastal waters wind turbine basis mounting cost is high, installation period is long; High and the large shortcoming of wind field occupation area of coastal waters wind turbine basis internal stress, the wind turbine basis installation with whole system is convenient, installation cost is low, the basic internal stress of wind turbine is low and wind field takies the advantages such as oceanic area is little.
The present invention is achieved by the following technical solutions, the present invention includes: vertical-shaft wind turbine and the cylinder of the tower with working platform and the suction caisson that are set in turn in its bottom.
The integral type barrel-like structure that described suction caisson is formed by Plate Welding, the top of this suction caisson is provided with drain stub and flange.
Described tower cylinder is hollow-core construction, on it, is welded with the working platform of being made by checker plate.
Described perpendicular axis type blower fan comprises: the cabin of blade, company's pole, runner, rotating shaft and built-in generator and brake system, and wherein: the top of tower cylinder is connected with the cabin base plate, and blade is connected on runner; Runner is by vane drive, and rotating shaft is driven by runner, and generator is driven by rotating shaft.
Technique effect
The present invention compared with prior art adopts the seafloor foundation of suction caisson as single pile stationary type vertical axle wind turbine, and suction caisson is simple for structure, easy to make, at sea is arranged in several hours and just can completes, and installation cost is very low; In addition, the technology of the present invention effect also comprises: 1) utilized vertical shaft fan in offshore wind farms, can be positioned to tightr, also namely in given space, can arrange more vertical-shaft wind turbines, this is because vertical shaft fan is very little to the decelerating effect of air.2) vertical-shaft wind turbine is firm in structure, and work is quiet, and the stress that the brace foundation structure is caused is very little, and they can be designed plane off sea relatively closely with a bit, so that maintenance.3) research of California Inst Tech USA shows under the prerequisite of conscientious carefully design, with the electricity generation ability of the wind field formed by vertical-shaft wind turbine of yardstick by 10 times of electricity generation abilities to the wind field formed by the horizontal shaft wind-power machine of same yardstick.
The accompanying drawing explanation
Fig. 1 is structural drawing of the present invention;
In figure: connect pole 1, runner 2, rotating shaft 3, blade 4, generator 5, brake system 6, tower cylinder 7, Steel Pipe Railing 8, working platform 9, flange 10, suction caisson 11, sea bed 12.
Embodiment
Below embodiments of the invention are elaborated, the present embodiment is implemented take technical solution of the present invention under prerequisite, provided detailed mode of execution and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
Embodiment 1
As shown in Figure 1, the present embodiment comprises: vertical-shaft wind turbine and the cylinder of the tower with working platform 97 and the suction caisson 11 that are set in turn in its bottom.
The integral type barrel-like structure that described suction caisson 11 is formed by Plate Welding, the top of this suction caisson 11 are provided with drain stub and flange 10.
Described tower cylinder 7 is hollow-core construction, on it, is welded with the working platform 9 of being made by checker plate.
The surrounding of described working platform 9 is welded with Steel Pipe Railing 8, with the safety of support personnel in operation and when maintenance.
Described perpendicular axis type blower fan comprises: the cabin of blade 4, company's pole 1, runner 2, rotating shaft 3 and built-in generator 5 and brake system 6, and wherein: the top of tower cylinder is connected with the cabin base plate, and blade 4 is connected on runner 2; Runner 2 is driven by blade 4, and rotating shaft 3 is driven by runner 2, and generator 5 is driven by rotating shaft.
The body bottom, cabin of described vertical-shaft wind turbine is connected with the top of tower cylinder 7.
Described generator coil cutting magnetic line generates induced current, and the electric energy sent is transported to the littoral electric unit of using by submarine cable.
The quantity of described blade 4 is 6, and fibreglass reinforced plastic is made.
This device carries out on-the-spot mounting arrangements in the following manner:
When the first step, installation, suction caisson and platform mechanism are connected, and first by a hoist, they are hung in seawater, and the starting stage relies on the surrounding skirtboard of the effect suction caisson of gravity can insert the certain degree of depth of sea bed 12;
Second step, utilize interim draining pump and discharge pipe line that the seawater of suction caisson inside is discharged, at this moment because suction caisson is inner, forming space causes internal pressure sharply to reduce, but because suction caisson external water pressure does not change, this has just produced very large pressure difference inside and outside the top board of suction caisson (direction is downward, namely produced suction), thus the surrounding skirtboard that orders about suction caisson continues deeper to insert sea bed;
The 3rd step, when draining pump during by the seawater emptying of suction caisson inside, the suction caisson top has been embedded in sea bed, starts fixing operation, and finally forms platform mechanism and wind turbine that top is supported in seafloor foundation.
In the present embodiment, the height of blade 4 is 12 meters, and width is 2.5 meters, and the power of generator is 2.5MW, and runner 2 apart from sea level is 20 meters, and the drinking water of whole wind turbine system is 16 meters.
Claims (6)
1. the stationary type vertical of the single pile with a suction caisson axle wind turbine, is characterized in that, comprising: vertical-shaft wind turbine and the cylinder of the tower with working platform and the suction caisson that are set in turn in its bottom;
The integral type barrel-like structure that described suction caisson is formed by Plate Welding, the top of this suction caisson is provided with drain stub and flange;
Described tower cylinder is hollow-core construction, on it, is welded with the working platform of being made by checker plate.
2. single pile stationary type vertical axle wind turbine according to claim 1, it is characterized in that, described perpendicular axis type blower fan comprises: the cabin of blade, company's pole, runner, rotating shaft and built-in generator and brake system, wherein: the top of tower cylinder is connected with the cabin base plate, and blade is connected on runner; Runner is by vane drive, and rotating shaft is driven by runner, and generator is driven by rotating shaft.
3. single pile stationary type vertical axle wind turbine according to claim 2, is characterized in that, the body bottom, cabin of described vertical-shaft wind turbine is connected with the top of tower cylinder.
4. single pile stationary type vertical axle wind turbine according to claim 2, is characterized in that, described generator coil cutting magnetic line generates induced current, and the electric energy sent is transported to the littoral electric unit of using by submarine cable.
5. single pile stationary type vertical axle wind turbine according to claim 2, is characterized in that, the quantity of described blade is 4, and fibreglass reinforced plastic is made.
6. installation method according to the described single pile stationary type vertical of above-mentioned arbitrary claim axle wind turbine comprises the following steps:
When the first step, installation, suction caisson and platform mechanism are connected, and first by a hoist, they are hung in seawater, and the starting stage relies on the surrounding skirtboard of the effect suction caisson of gravity can insert sea bed;
Second step, utilize interim draining pump and discharge pipe line that the seawater of suction caisson inside is discharged, make the inside and outside surrounding skirtboard that produces pressure difference and order about suction caisson of the top board of suction caisson continue to insert sea bed;
The 3rd step, when draining pump during by the seawater emptying of suction caisson inside, the suction caisson top has been embedded in sea bed, starts fixing operation, and finally forms platform mechanism and wind turbine that top is supported in seafloor foundation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310395315.6A CN103410677B (en) | 2013-09-03 | 2013-09-03 | Single-pile fixed vertical shaft wind power generator with suction caisson |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310395315.6A CN103410677B (en) | 2013-09-03 | 2013-09-03 | Single-pile fixed vertical shaft wind power generator with suction caisson |
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| Publication Number | Publication Date |
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| CN103410677A true CN103410677A (en) | 2013-11-27 |
| CN103410677B CN103410677B (en) | 2014-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310395315.6A Expired - Fee Related CN103410677B (en) | 2013-09-03 | 2013-09-03 | Single-pile fixed vertical shaft wind power generator with suction caisson |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108677995A (en) * | 2018-07-20 | 2018-10-19 | 上海交通大学 | A kind of offshore wind turbine single-pile foundation with suction caisson and tension type anchoring system |
| CN110953126A (en) * | 2019-10-31 | 2020-04-03 | 中国能源建设集团广东省电力设计研究院有限公司 | Offshore power generation device and offshore assembly mechanism |
| CN112343073A (en) * | 2019-08-06 | 2021-02-09 | 天津市海王星海上工程技术股份有限公司 | Offshore wind power foundation installation system and method based on application of pump skid block |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2378679B (en) * | 2001-08-16 | 2005-05-18 | Ltd Tamacrest | Floating offshore windtower |
| CN101705920A (en) * | 2009-11-16 | 2010-05-12 | 浙江大学 | Self-balancing suction penetration bucket foundation of offshore wind power generating set and construction method thereof |
| US20130078109A1 (en) * | 2006-03-17 | 2013-03-28 | Grand Vent Power, Llc | Offshore wind turbine structures and methods therefor |
| KR20130094410A (en) * | 2012-02-16 | 2013-08-26 | 이지현 | Suction bucket foundation |
-
2013
- 2013-09-03 CN CN201310395315.6A patent/CN103410677B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2378679B (en) * | 2001-08-16 | 2005-05-18 | Ltd Tamacrest | Floating offshore windtower |
| US20130078109A1 (en) * | 2006-03-17 | 2013-03-28 | Grand Vent Power, Llc | Offshore wind turbine structures and methods therefor |
| CN101705920A (en) * | 2009-11-16 | 2010-05-12 | 浙江大学 | Self-balancing suction penetration bucket foundation of offshore wind power generating set and construction method thereof |
| KR20130094410A (en) * | 2012-02-16 | 2013-08-26 | 이지현 | Suction bucket foundation |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108677995A (en) * | 2018-07-20 | 2018-10-19 | 上海交通大学 | A kind of offshore wind turbine single-pile foundation with suction caisson and tension type anchoring system |
| CN108677995B (en) * | 2018-07-20 | 2024-02-27 | 上海交通大学 | Offshore wind turbine single pile foundation with suction caisson and tensioning mooring system |
| CN112343073A (en) * | 2019-08-06 | 2021-02-09 | 天津市海王星海上工程技术股份有限公司 | Offshore wind power foundation installation system and method based on application of pump skid block |
| CN110953126A (en) * | 2019-10-31 | 2020-04-03 | 中国能源建设集团广东省电力设计研究院有限公司 | Offshore power generation device and offshore assembly mechanism |
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| CN103410677B (en) | 2014-12-31 |
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