CN104743073A - Semi-submersible type wave energy and wind energy comprehensive utilization device - Google Patents
Semi-submersible type wave energy and wind energy comprehensive utilization device Download PDFInfo
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- CN104743073A CN104743073A CN201510145758.9A CN201510145758A CN104743073A CN 104743073 A CN104743073 A CN 104743073A CN 201510145758 A CN201510145758 A CN 201510145758A CN 104743073 A CN104743073 A CN 104743073A
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Abstract
The invention belongs to the field of novel renewable energy technologies and ocean equipment, and particularly relates to a semi-submersible type wave energy-wind energy comprehensive utilization device. The semi-submersible type wave energy-wind energy comprehensive utilization device comprises four float bowls, a wind turbine, two swing plates, depressed plates, anchor chains, a tower support, cross struts, inclined struts, rotation shafts and electric generators. The semi-submersible type wave energy-wind energy comprehensive utilization device is characterized in that the float bowls are fixedly connected with one another by adopting the cross struts and the inclined struts; the bottoms of the float bowls are connected with holding power anchors through the anchor chains and then fixed on the seabed; the swing plates are installed among the float bowls and face the direction of arrival of waves; the swing plates are connected with the electric generators through the rotation shafts and drive the electric generators; the wind turbine and the tower support are installed in the center of the float bowls. The semi-submersible type wave energy-wind energy comprehensive utilization device adopts the design that the front swing plates and the back swing plates work simultaneously, and the space between every two swing plates can be designed according to sea area wave characteristic parameters to improve the stability of a floating platform; the design of the depressed plates is adopted to improve the stability of the floating platform; eight catenaries are adopted to fix the integrated system on the seabed, and the safety is high; the form is simple, and installation and transfer are convenient.
Description
Technical field
The invention belongs to novel renewable energy technology and field of marine equipment, particularly a kind of semisubmersible wave energy-energy and wind energy integrative utilizes device.
Background technology
Ocean energy resources is often referred to the reproducible natural energy resources contained in ocean, is mainly tidal energy, wave energy, ocean current energy (marine tidal-current energy), thermal gradient energy of sea water and seawater salt error energy.More broadly ocean energy resources also comprises the wind energy in overhead, ocean, the solar power of ocean surface and marine life mass-energy etc.Study carefully its origin cause of formation, tidal energy and marine tidal-current energy derive from the Sun and the Moon to be changed the gravitation of the earth, and other all come from solar radiation.Ocean energy resources can be divided into mechanical energy, heat energy and chemical power again by storage form.Wherein, tidal energy, ocean current and wave are mechanical energy, and temperature difference of seawater is heat energy, and seawater salt error is chemical power.
In the ocean energy resources kind that these are numerous, wave energy and wind energy on the sea have certain similarity in Regional Distribution, and the two energy density in marine site, deep-sea is all large than offshore sea waters.Thus, carry out maritime wave energy-energy and wind energy integrative and utilize technical study to there is considerable industrial prospect, also there is its own strategic significance for energy mix total arrangement of China.At present, maritime wave energy-energy and wind energy integrative utilizes technology to be also in the exploratory stage, rarely seen comparatively ripe design plan.In conjunction with comparatively common three kinds of floating marine formula platforms: Spar platform, TLP platform and barge formula platform, some scholars and engineer propose some design plans.Wherein three float formula wind machine WindFloat based on offshore oil and gas field platform technology, its buoyancy aid basis adds oscillaton water column type generating design or therebetween position add oscillating float type point absorb wave energy apparatus.A kind of a kind of wave energy-energy and wind energy integrative based on barge formula floating type platform being American I TI Energy company proposes utilizes technology: devise the air chamber for oscillaton water column type power generation assembly at the floating type platform midway location of cuboid.In addition, in conjunction with mast Spar formula offshore wind turbine Hywind and oscillating float type wave energy apparatus WaveBob, Norwegian University of Science & Technology it is also proposed a kind of wave energy-energy and wind energy integrative and utilizes concept STC.But these technology are still in the Conceptual Model Design stage, are not also proved fully and tested.Meanwhile, consider stability and the safety of device, need ensure that energy conversion device can adapt to different weather conditions, there is the viability under extreme weather conditions.
Summary of the invention
Technical matters to be solved by this invention is: overcome above-mentioned the deficiencies in the prior art, a kind of semisubmersible wave energy-energy and wind energy integrative is provided to utilize device, it utilizes semisubmersible raft to provide installation foundation for wave energy apparatus and wind energy plant, can to utilize in wave water body horizontal direction while kinetic energy as marine windmill provides stabilised platform, be applicable to deepwater regions, there is higher reliability simultaneously, be easy to install and move.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of semisubmersible wave energy-energy and wind energy integrative utilizes device, comprises floating drum, wind machine, pendulum plate, water squeezing plate, anchor chain, pylon, stull, diagonal brace, rotating shaft and electrical generator.It is characterized in that: between floating drum, adopt stull and diagonal brace to be interconnected and fixed; Grip anchoring is connected due to seabed by anchor chain bottom floating drum; Two pendulum plates are installed between floating drum respectively, and meet to wave arrival bearing; Pendulum plate is connected by rotating shaft and drives electrical generator; Wind machine and pylon are installed on the midway location of four floating drums.
Described a kind of semisubmersible wave energy-energy and wind energy integrative utilizes device, it is characterized in that: the distance between forward swing plate and rear pendulum plate is the half that device lays marine site characteristic wavelength.
Described a kind of semisubmersible wave energy-energy and wind energy integrative utilizes device, it is characterized in that: the bottom of four floating drums is all provided with water squeezing plate.
Described a kind of semisubmersible wave energy-energy and wind energy integrative utilizes device, it is characterized in that: each floating drum inside is provided with electrical generator, and is connected with pendulum plate by rotating shaft.
Described a kind of semisubmersible wave energy-energy and wind energy integrative utilizes device, it is characterized in that: anchor chain is catenary, and divide 4 groups totally 8, in one group, between 2 anchor chains, angle is 60 degree.
Wind machine adopts NREL5MW horizontal shaft Three-blade speed-changing oar-changing marine windmill, is installed on tower top, wind machine diameter 126m, and incision wind speed, wind rating and cut-out wind speed are respectively 3.0, and 11.4 and 25.0m/s.Floating type Platform Designing depth of water 80m, semisubmersible platform component parameter is: 4 spar diameter are 10.5m, center tower diameter 6.0m, stull diameter 1.5m, diagonal brace diameter 1.0m, adjacent floating drum center of circle spacing 60m, moldeed depth 30m, drinking water 22.5m; Water squeezing plate diameter 25.0m, thickness 1.0m.Floating drum inside is hollow design, its underfill weight and be provided with electrical generator strengthens floating type platform stability with the position that lowers the center of gravity; Meanwhile, be provided with water squeezing plate in the below of each floating drum, it can improve added mass and the viscosity damping of floating drum, thus strengthens the stability of floating type platform.Wave energy pendulum plate hight 20m, long 30m, wide 1.5m, adopt the buoyancy pendulum-type design of hollow, inside can be filled weight and be changed its rotor inertia.Mooring system adopts catenary Mooring Arrangements and applies pretension at anchor chain top, anchor chain line divides 4 groups totally 8, anchor chain line length 450m, each group of anchor chain distribution angle 90 °, the inner angle 60 ° of single group anchor chain, anchor chain diameter 92mm, anchor chain linear mass 185.4kg/m, effective modulus of elasticity 5.45x10
7kN/m
2, disruption characteristic is 6080kN.
When wave is through floating type platform, forward and backward pendulum plate is the rotation of the axle generation single degree of freedom in order to rotating shaft at the work of wave force, and drive the generator operation be connected with rotating shaft, the electric power sent under wind-force effect with wind machine realizes complementation.Simultaneously, spacing due to forward and backward pendulum plate is half characteristic wavelength, this makes the wave force suffered by forward and backward pendulum plate just in time contrary, the sense of motion of forward and backward pendulum plate and acceleration/accel direction are also just in time contrary, and this contributes to minimizing the impact of the pendulum plate under wave action for the stability of floating type platform.Especially, when extreme weather arriving floating type platform meets with destructive wave, can by pendulum plate along axis of rotation to level attitude, and be fixed in the stull of platform lower, the wave force that pendulum plate is subject to can be minimized like this.
The invention has the beneficial effects as follows:
The present invention is applicable to wave energy resource and the offshore wind energy resource deepwater regions compared with horn of plenty, the design that before and after adopting, pendulum plate works simultaneously, can according to marine site wave signature parameter designing pendulum distance between plates to improve the stability of floating type platform; Adopt the design of water squeezing plate, added mass and the viscosity damping of floating drum can be improved, thus strengthen the stability of floating type platform; Adopt 4 groups of 8 catenaries that total system is fixed on seabed, safety is high; Meanwhile, the design's main body have employed floating type basis, and form is simple, is convenient to install and transfer.
Accompanying drawing explanation
Fig. 1 is integral structure schematic diagram of the present invention.
Fig. 2 is side schematic view of the present invention.
Fig. 3 is face, front of the present invention schematic diagram.
Fig. 4 is the heaving pile distribution schematic diagram that the present invention adopts.
In figure, 1-pylon, 2-diagonal brace, 3-floating drum, 4-rotating shaft, 5-puts plate, 6-water squeezing plate, 7-stull, 8-wind machine, 9-anchor chain, 10-seabed, 11-electrical generator.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in detail.
Embodiment 1:
As shown in Figure 1, stull 7 and diagonal brace 2 is adopted to be interconnected and fixed between floating drum 3; Pendulum plate 5 is mounted between floating drum 3 by rotating shaft 4, and meets to wave arrival bearing, and former and later two pendulum distances between plates are the half of marine site characteristic wavelength; Pylon 1 is installed on the midway location of four floating drums 3; Bottom each floating drum 3, water squeezing plate 6 is installed.
As shown in Figure 2, floating drum 3 is fixed by anchor chain 9, and seabed 10 is fixed in other one end of anchor chain 9; Floating type platform and wind machine 8 are all met to arrival bearing, and wind machine 8 is installed on the top of pylon 1.
As shown in Figure 3, put plate 5 to be connected with electrical generator 11 by rotating shaft 4; Electrical generator 11 is installed on the inside of floating drum 3.
As shown in Figure 4, anchor chain line 9 points 4 groups totally 8, each group anchor chain distribution angle 90 °, the inner angle 60 ° of single group anchor chain.
The principle of work of the present embodiment:
During actual use, floating type platform is in floating condition, and the top surface of pendulum plate 5 is close to horizontal plane position.When wave is through floating type platform, forward and backward pendulum plate 5 is the rotation of the axle generation single degree of freedom in order to rotating shaft 4 at the work of wave force, and drive the electrical generator 11 be connected with rotating shaft 4 to work, the electric power sent under wind-force effect with wind machine 8 realizes complementation.Simultaneously, spacing due to forward and backward pendulum plate 5 is half characteristic wavelength, this makes the wave force suffered by forward and backward pendulum plate 5 just in time contrary, the sense of motion of forward and backward pendulum plate 5 and acceleration/accel direction are also just in time contrary, and this contributes to minimizing the impact of the pendulum plate 5 under wave action for the stability of floating type platform.Especially, when extreme weather arriving floating type platform meets with destructive wave, pendulum plate 5 can be turned to level attitude along rotating shaft 4, and be fixed in the stull 7 of platform lower, the wave force that pendulum plate 5 is subject to can be minimized like this.
Wind machine 8 is installed on pylon 1 top, controls its operation according to incision wind speed, wind rating and cut-out wind speed.Floating drum 3 inside that floating type platform is set for hollow design, its underfill weight and be provided with electrical generator 11 with the stability of the position enhancing floating type platform that lowers the center of gravity; Meanwhile, be provided with water squeezing plate 6 in the below of each floating drum 3, it can improve added mass and the viscosity damping of floating drum, thus strengthens the stability of floating type platform.Wave energy pendulum plate 5 adopts the buoyancy pendulum-type of hollow to design, and inside can be filled weight and be changed its rotor inertia.In wind, wave and floating type platform, wave energy apparatus and wind machine mechanism, anchor chain 9 provides vertical and horizontal pulling force, for reduce floating type platform hang down swing, motion amplitude on the degree of freedom such as surging and pitching is significant.
Although be described the preferred embodiments of the present invention above, the present invention is not limited to above-mentioned detailed description of the invention, and above-mentioned detailed description of the invention is only schematic, is not restrictive.
Claims (5)
1. semisubmersible wave energy-energy and wind energy integrative utilizes a device, comprises floating drum, wind machine, pendulum plate, water squeezing plate, anchor chain, pylon, stull, diagonal brace, rotating shaft and electrical generator, it is characterized in that: adopt stull and diagonal brace to be interconnected and fixed between floating drum; Grip anchoring is connected due to seabed by anchor chain bottom floating drum; Two pendulum plates are installed between floating drum respectively, and meet to wave arrival bearing; Pendulum plate is connected by rotating shaft and drives electrical generator; Wind machine and pylon are installed on the midway location of four floating drums.
2. semisubmersible wave energy-energy and wind energy integrative according to claim 1 utilizes device, it is characterized in that: the distance between forward swing plate and rear pendulum plate is the half that device lays marine site characteristic wavelength.
3. semisubmersible wave energy-energy and wind energy integrative according to claim 1 utilizes device, it is characterized in that: the bottom of four floating drums is all provided with water squeezing plate.
4. semisubmersible wave energy-energy and wind energy integrative according to claim 1 utilizes device, it is characterized in that: each floating drum inside is provided with electrical generator, and is connected with pendulum plate by rotating shaft.
5. semisubmersible wave energy-energy and wind energy integrative according to claim 1 utilizes device, it is characterized in that: anchor chain is catenary, and divide 4 groups totally 8, in one group, between 2 anchor chains, angle is 60 degree.
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Cited By (11)
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| CN106644383A (en) * | 2016-12-28 | 2017-05-10 | 大连理工大学 | Variable-scale structure semi-submersible wave energy power generation platform testing device |
| CN107061127A (en) * | 2017-04-09 | 2017-08-18 | 大连理工大学 | Ocean wave energy, wind energy and energy by ocean current combination generator |
| CN107140140A (en) * | 2017-05-31 | 2017-09-08 | 大连理工大学 | Semi-submersible type blower fan and aquaculture net cage integrated system without support post |
| CN107587981A (en) * | 2017-11-02 | 2018-01-16 | 厦门理工学院 | A kind of adaptive wave of tide combines offshore stake formula TRT with wind energy |
| CN108622317A (en) * | 2018-06-28 | 2018-10-09 | 南京信息工程大学 | A kind of novel power generation device applied to oceanographic buoy |
| CN108953047A (en) * | 2017-06-20 | 2018-12-07 | 马立志 | Hang desk-top Wave power generation device |
| CN109798220A (en) * | 2019-03-13 | 2019-05-24 | 大连海洋大学 | Floating marine formula scene wave composite generating set |
| WO2019114691A1 (en) * | 2017-12-15 | 2019-06-20 | 上海海事大学 | Combined offshore wind turbine support structural system |
| CN110296049A (en) * | 2019-06-21 | 2019-10-01 | 华中科技大学 | A kind of semi-submerged offshore wind energy and wave energy integrate generating equipment |
| CN112302873A (en) * | 2020-10-19 | 2021-02-02 | 上海电气风电集团股份有限公司 | Offshore floating type power generation platform |
| CN117365846A (en) * | 2023-11-28 | 2024-01-09 | 江苏青大海洋风电研究有限公司 | Wind energy, ocean current energy power generation device and wind energy, ocean current energy and wave energy power generation device |
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Cited By (12)
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| CN108953047A (en) * | 2017-06-20 | 2018-12-07 | 马立志 | Hang desk-top Wave power generation device |
| CN107587981A (en) * | 2017-11-02 | 2018-01-16 | 厦门理工学院 | A kind of adaptive wave of tide combines offshore stake formula TRT with wind energy |
| WO2019114691A1 (en) * | 2017-12-15 | 2019-06-20 | 上海海事大学 | Combined offshore wind turbine support structural system |
| CN108622317A (en) * | 2018-06-28 | 2018-10-09 | 南京信息工程大学 | A kind of novel power generation device applied to oceanographic buoy |
| CN109798220A (en) * | 2019-03-13 | 2019-05-24 | 大连海洋大学 | Floating marine formula scene wave composite generating set |
| CN110296049A (en) * | 2019-06-21 | 2019-10-01 | 华中科技大学 | A kind of semi-submerged offshore wind energy and wave energy integrate generating equipment |
| CN112302873A (en) * | 2020-10-19 | 2021-02-02 | 上海电气风电集团股份有限公司 | Offshore floating type power generation platform |
| CN117365846A (en) * | 2023-11-28 | 2024-01-09 | 江苏青大海洋风电研究有限公司 | Wind energy, ocean current energy power generation device and wind energy, ocean current energy and wave energy power generation device |
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