WO2019047194A1 - 一种新型浮式风能 - 波浪能联合发电系统 - Google Patents

一种新型浮式风能 - 波浪能联合发电系统 Download PDF

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Publication number
WO2019047194A1
WO2019047194A1 PCT/CN2017/101165 CN2017101165W WO2019047194A1 WO 2019047194 A1 WO2019047194 A1 WO 2019047194A1 CN 2017101165 W CN2017101165 W CN 2017101165W WO 2019047194 A1 WO2019047194 A1 WO 2019047194A1
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Prior art keywords
power generation
wave energy
wave
pontoon
energy
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PCT/CN2017/101165
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English (en)
French (fr)
Inventor
施伟
蒋致禹
任政儒
宁德志
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大连理工大学
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Application filed by 大连理工大学 filed Critical 大连理工大学
Priority to US16/339,570 priority Critical patent/US10947952B2/en
Priority to PCT/CN2017/101165 priority patent/WO2019047194A1/zh
Publication of WO2019047194A1 publication Critical patent/WO2019047194A1/zh

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B1/00—Hydrodynamic or hydrostatic features of hulls or of hydrofoils
    • B63B1/02—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement
    • B63B1/10—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with multiple hulls
    • B63B1/107—Semi-submersibles; Small waterline area multiple hull vessels and the like, e.g. SWATH
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
    • F03B13/12—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy
    • F03B13/14—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy
    • F03B13/24—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy to produce a flow of air, e.g. to drive an air turbine
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B7/00—Water wheels
    • F03B7/003—Water wheels with buckets receiving the liquid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B7/00—Water wheels
    • F03B7/006—Water wheels of the endless-chain type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
    • F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
    • F03D13/25—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors specially adapted for offshore installation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/008—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations the wind motor being combined with water energy converters, e.g. a water turbine
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
    • B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
    • B63B2035/4433—Floating structures carrying electric power plants
    • B63B2035/446—Floating structures carrying electric power plants for converting wind energy into electric energy
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
    • B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
    • B63B2035/4433—Floating structures carrying electric power plants
    • B63B2035/4466—Floating structures carrying electric power plants for converting water energy into electric energy, e.g. from tidal flows, waves or currents
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
    • E02B2017/0091—Offshore structures for wind turbines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
    • F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
    • F03D13/22—Foundations specially adapted for wind motors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/20—Wind motors characterised by the driven apparatus
    • F03D9/25—Wind motors characterised by the driven apparatus the apparatus being an electrical generator
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2260/00—Function
    • F05B2260/40—Transmission of power
    • F05B2260/402—Transmission of power through friction drives
    • F05B2260/4022—Transmission of power through friction drives through endless chains
    • 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
    • Y02E10/20—Hydro energy
    • 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
    • Y02E10/30—Energy from the sea, e.g. using wave energy or salinity gradient
    • 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
    • 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

Definitions

  • the invention belongs to the technical field of marine renewable energy utilization and relates to a novel floating wind energy -
  • the integrated wave power generation system is an integrated power generation system that combines wind energy and oscillating water column wave energy devices based on a semi-submersible floating platform.
  • Wind power is currently the most renewable energy source with large-scale development prospects.
  • Offshore wind power has become a new direction for the development of international wind power and has attracted the attention of all countries.
  • the wave energy generating device has low energy conversion efficiency and high unit power generation cost, which limits its commercialization to a certain extent.
  • the location of offshore wind farms requires a certain wind speed and strong wind power.
  • the present invention provides a power generation system in which floating wind energy and ocean wave energy are combined, and wind energy and wave energy are established in a marine semi-submersible floating platform using unsupported columns.
  • the integrated system of the system forms an integrated power generation system, making full use of the marine renewable resources, so as to improve the utilization of the floating foundation and reduce the total cost, improve the overall economic performance of the offshore wind farm, and reduce the wind and wave energy.
  • the cost of power generation effectively promotes its application in industry.
  • a novel floating wind energy-wave energy combined power generation system a semi-submersible floating-oscillating water column wave energy integrated power generation platform based on an unsupported column, including an offshore wind power device and an oscillating water column wave energy power generation device 5;
  • the wind power device comprises an offshore wind power generator 1, a tower 2 and a semi-submersible floating platform without support columns;
  • the semi-submersible floating platform without the support column comprises three columns 6, a pontoon 4 and an anchor chain 3;
  • the oscillating water column wave power generation device 5 is disposed outside the column 6 and fixedly mounted on the pontoon 4; the oscillating water column wave power generation device 5 includes a pontoon 7, a wave inlet 8 and an air turbine generator 10
  • the pontoon 7 is an 'L'-shaped cylinder, the bottom of which is fixedly connected with the pontoon 4, and the plenum 7 and the column 6 form a gas chamber 9; the fixed end of the pontoon 7 and the pontoon 4 is provided with a wave inlet 8 for the pontoon 7
  • the other end is provided with an air outlet, and an air turbine generator 10 is installed at the air outlet; in use, a new floating wind energy-wave energy combined power generation system is placed in the water, and under the action of waves, the wave enters the gas through the wave inlet 8
  • the chamber 9 forms a water column that vibrates up and down, and the water column moves up and down to cause the gas in the gas chamber 9 to reciprocate through the air outlet of the upper portion of the air chamber 9,
  • the air chamber 9 adopts a tapered air outlet to ensure an increase in the end pressure of the air flow, and the air turbine generator 10 is driven to rotate faster, thereby improving power generation efficiency.
  • the wave inlet 8 faces the dominant direction of the wave, improving conversion efficiency.
  • the air turbine generator 10 employs a two-way air turbine generator.
  • the oscillating water column type wave energy generating device converts the up and down reciprocating motion of the water column into a reciprocating motion of the gas, and then completes the wave power generation by the air turbine generator.
  • the present invention makes full use of the bottom pontoon and anchor chain of the semi-submersible platform. Since the wave energy device will move up and down with the waves, the up and down vibration will cause the power generation efficiency to decrease, and the bottom pontoon can slow up and down the vibration.
  • the anchor chain can further prevent the wave energy device from moving up and down.
  • the invention adopts the unsupported column structure, simplifies the construction process, and avoids the structural fatigue problem caused by the support column. Compared with the conventional three-column semi-submersible fan, the water line surface area of the invention is increased, so the stability moment of inertia is also large, and the overall stability of the floating foundation is improved.
  • the novel floating wind energy-wave energy integrated power generation system of the invention integrates the oscillating water column wave energy power generation device on each of the columns of the semi-submersible floating platform without the support column, that is, each integrated system includes three wave energy generating powers.
  • the device can effectively improve the utilization efficiency of wave energy and reduce the cost.
  • the circumferential symmetric distribution of the wave energy device improves the stability of the system.
  • the wave energy integrated power generation system improves the effective utilization rate of the deep sea area, reduces the construction cost and maintenance cost, makes full use of the existing mature fan technology, promotes the commercial application of the wave energy device, and is a reliable deep sea renewable energy. Power generation platform.
  • FIG. 1 is a schematic perspective view of a floating wind energy-wave energy integrated system of the present invention.
  • Fig. 2 is a schematic view showing the oscillating water column type wave energy generating device of the present invention.
  • Fig. 3 is a schematic view showing the operation of the oscillating water column type wave energy generating device of the present invention.
  • wind turbine 1 The semi-submersible platform consisting of the tower 2, the pontoon 4 and the column 6, the anchor chain 3 is connected to the seabed.
  • the wind power generator 1 performs a rotary motion under the driving of the wind, converts the wind power into mechanical energy, and then drives the wind power generator 1 to generate electricity through the gear box.
  • the water column 6 in the pontoon 7 of the oscillating water column type wave power generating device 5 reciprocates under the external force of the undulating undulation, and is converted into a reciprocating motion of the gas in the plenum 8, thereby driving
  • the air turbine generator 10 generates electricity.
  • the two-way air turbine generator is used, so that the wave landing process can be used for power generation, and the power generation continuity is good and the efficiency is high.
  • the method is: the wind power generator 1 emits electric energy under the action of the wind, and is sent to the power grid through the transmission system for use by the land users;
  • the pontoon 7 of the oscillating water column type wave power generating device 5 is connected to the bottom pontoon 4 of the semi-submersible platform, and the wave rushing toward the wave inlet 8 enters the inside of the pontoon 7, and the water column vibrating up and down in the plenum 9
  • the gas in the gas chamber 9 is reciprocated through the gas outlet at the upper end of the gas chamber, and the gas turbine generator 10 is driven to generate electricity when the gas reciprocates through the gas outlet.
  • the unsupported column type semi-submersible floating fan adopted by the invention has the advantages of simple structure, convenient installation and construction, wide application range of water depth and low cost; wind power generation and wave energy generation are completed on the same support structure, so that the two The shared support platform and the power transmission supporting system greatly reduce the cost of power generation; the structure is stable and reasonable, further proves the implementability of the present invention, and has significant technical effects.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Sustainable Energy (AREA)
  • Sustainable Development (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Power Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Wind Motors (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)

Abstract

一种浮式风能—波浪能联合发电系统，基于无支撑立柱的半潜浮式—振荡水柱式波浪能集成发电平台，包括海上风电装置和振荡水柱式波浪能发电装置（5）。波浪能发电装置将水柱（6）的上下往复运动转化气体的往复运动，进而通过空气透平发电机（10）完成波浪能发电。该联合发电系统的锚链能进一步防止波浪能装置上下移动，提高发电效率，该系统采用了无支撑立柱结构，简化了建造工艺，避免了支撑立柱产生的结构疲劳问题，水线面面积增大，提高了浮式基础的整体稳定性。

Description

一种新型浮式风能 - 波浪能联合发电系统
技术领域
本发明属于海上可再生能源利用技术领域，涉及一种新型浮式风能 - 波浪能一体的发电系统，以半潜浮式平台为基础将风能和振荡水柱式波浪能装置相结合的集成发电系统。
背景技术
风力发电是目前最具可规模化发展前景的可再生能源。海上风电已成为国际风电发展的新方向，备受各国关注。随着海上风能在整个能源架构中所占的比例逐年上升，适合深水的浮式风机基础的开发也越来越受关注。而波浪能发电装置，能量转化效率低，单位发电成本较高，在一定程度上限制了其商业化。海上风电场选址要求有一定的风速和较强的风力，这些长治同时也是波浪能资源丰富的地区。把海上风电开发和波浪能资源利用相结合，可以有效的提高海上风电场的发电能力，提高整体发电系统的经济性，是解决海洋可再生能源综合利用的有效途径。
发明内容
本发明为了能够更好地利用海洋中蕴含的能源，提供了一种浮式风能与海洋波浪能联合的发电系统，在海洋中利用无支撑立柱的半潜式浮式平台建立了风能、波浪能系统于一体的集成系统，形成一个整体的发电系统，充分利用海上可再生资源，从而达到提高浮式基础利用率并降低总成本的目的，提高海上风电场的整体经济性，降低风能和波浪能发电的成本，有效推动其在工业上的应用。
本发明的技术方案：
一种新型浮式风能-波浪能联合发电系统，基于无支撑立柱的半潜浮式-振荡水柱式波浪能集成发电平台，包括海上风电装置和振荡水柱式波浪能发电装置5；所述的海上风电装置包括海上风力发电机1、塔筒2以及无支撑立柱的半潜浮式平台；所述的无支撑立柱的半潜浮式平台包括三根立柱6、浮箱4以及锚链3；
所述的振荡水柱式波浪能发电装置5套装在立柱6外，固定安装于浮箱4上；所述的振荡水柱式波浪能发电装置5包括浮筒7、波浪进口8和空气透平发电机10，浮筒7为'L'型筒体，其底部和浮箱4固连，浮筒7和立柱6间形成气室9；浮筒7与浮箱4的固连端设有波浪进口8，浮筒7的另一端设有出气口，出气口处安装有空气透平发电机10；使用时，将新型浮式风能-波浪能联合发电系统放在水域中，在波浪作用下，波浪经波浪进口8进入气室9而形成上下振动的水柱，水柱作上下振动运动使气室9内的气体往复通过气室9上部的出气口，进而驱动空气透平发电机10发电。
所述的气室9采用锥形出气口，保证气流末端压强增大，更快的推动空气透平发电机10转动，提高发电效率。
所述的波浪进口8朝向波浪的主导方向，提高转换效率。
所述的空气透平发电机10采用双向空气透平发电机。
本发明的新型浮式风能-波浪能联合发电系统，振荡水柱式波浪能发电装置将水柱的上下往复运动转化气体的往复运动，进而通过空气透平发电机完成波浪能的发电。本发明充分利用了半潜平台的底部浮箱和锚链。由于波浪能装置会随着波浪上下移动，该上下振动会导致发电效率降低，底部浮箱可减慢上下振动。锚链能够进一步防止波浪能装置上下移动。
本发明采用无支撑立柱结构，简化了建造工艺，并且避免了支撑立柱产生的结构疲劳问题。比较传统的三立柱半潜式风机，本发明的水线面面积增大，因此稳性惯性矩也较大，提高了浮式基础的整体稳性。
本发明的新型浮式风能-波浪能集成发电系统，振荡水柱式波浪能发电装置分别集成于无支撑立柱的半潜浮式平台的每根立柱上，即每套集成系统包括三部波浪能发电装置，可有效的提高波浪能的利用效率，降低成本。
本发明的有益效果：
1 、无支撑立柱式半潜平台，结构简单、施工便利、安装成本较低、适用水深范围广。
2 、将海上风电同波浪能发电装置相结合，共用海上平台、变压、输电等设备，提高了系统的整体发电功率，增加了发电量和有效工作小时数，降低了投资成本。
3 、波浪能装置的周向对称分布提高了系统的稳定性能。
4 、该新型浮式风能 - 波浪能集成发电系统提高了深海海域的有效利用率，降低了建设成本和维修费用，充分利用现有的成熟风机技术，促进了波浪能装置商业化的应用，是一种可靠的深海可再生能源发电平台。
附图说明
图 1 是本发明的浮式风能 - 波浪能集成系统立体结构示意图。
图 2 是 本发明的 振荡水柱式波浪能发电装置示意图。
图 3 是本发明的振荡水柱式波浪能发电装置工作原理图。
图中： 1 海上 风力发电机 ； 2 塔筒； 3 锚链； 4 浮箱；
5 振荡水柱式波浪能发电装置 ； 6 立柱； 7 浮筒； 8 波浪进口； 9 气室；
10 空气透平发电机。
具体实施方式
以下结合附图和技术方案，进一步说明本发明的具体实施方式。
如图1所示，风力发电机1 通过塔筒2、由浮箱4和立柱6组成的半潜式平台、锚链3与海床相连。风力发电机1在风力的推动下做旋转运动，将风力转换成机械能，再经过齿轮箱，驱动风力发电机1发电。另一方面，振荡水柱式波浪能发电装置5的浮筒7内的水柱6在波浪起伏的外力作用下做往复运动，进而转化为气室8内气体的往复运动，从而驱动 空气透平发电机 10 发电。采用双向空气透平发电机，因而波浪起落过程均可用来发电，发电连续性较好，效率高。
该方法为： 风力发电机1 在风力作用下发出电能，通过传输系统送至电网，供陆地用户使用； 振荡水柱式波浪能发电装置5 的浮筒 7 和半潜平台的底部浮箱 4 相连接，涌向波浪进口 8 的波浪进入到浮筒 7 内部，在气室 9 中产生上下振动的水柱 6 ，水柱 6 上下振动运动时使气室 9 内的气体往复通过气室上端的出气口，气体往复通过出气口时驱动 空气透平发电机 10 发电。
由此，本发明采用的无支撑立柱式半潜浮式风机结构简单、安装和施工方便，适用水深范围广，成本较低；风力发电、波浪能发电在同一个支撑结构上完成，使二者共享支撑平台和电力传输配套系统，很大程度上降低了发电的成本；结构稳定合理，更进一步证明了本发明的可实施性，具有显著的技术效果。

Claims (5)

  1. 一种新型浮式风能-波浪能联合发电系统，其特征在于，基于无支撑立柱的半潜浮式-振荡水柱式波浪能集成发电平台，包括海上风电装置和振荡水柱式波浪能发电装置(5)；所述的海上风电装置包括海上风力发电机(1)、塔筒(2)以及无支撑立柱的半潜浮式平台；所述的无支撑立柱的半潜浮式平台包括三根立柱(6)、浮箱(4)以及锚链(3)； 所述的振荡水柱式波浪能发电装置(5)套装在立柱(6)外，固定安装于浮箱(4)上；所述的振荡水柱式波浪能发电装置(5)包括浮筒(7)、波浪进口(8)和空气透平发电机(10)，浮筒(7)为'L'型筒体，其底部和浮箱(4)固连，浮筒(7)和立柱(6)间形成气室(9)；浮筒(7)与浮箱(4)的连接端设有波浪进口(8)，浮筒(7)的另一端设有出气口，出气口处安装有空气透平发电机(10)；使用时，将新型浮式风能-波浪能联合发电系统放在水域中，在波浪作用下，波浪经波浪进口(8)进入气室(9)而形成上下振动的水柱，水柱作上下振动运动使气室(9)内的气体往复通过气室(9)上部的出气口，进而驱动空气透平发电机(10)发电。
  2. 根据权利要求1所述的新型浮式风能-波浪能联合发电系统，其特征在于，所述的气室(9)采用锥形出气口，保证气流末端压强增大，更快的推动空气透平发电机(10)转动，提高发电效率。
  3. 根据权利要求1或2所述的新型浮式风能-波浪能联合发电系统，其特征在于，所述的波浪进口(8)朝向波浪的主导方向，提高转换效率。
  4. 根据权利要求1或2所述的新型浮式风能-波浪能联合发电系统，其特征在于，所述的空气透平发电机(10)采用双向空气透平发电机。
  5. 根据权利要求3所述的新型浮式风能-波浪能联合发电系统，其特征在于，所述的空气透平发电机(10)采用双向空气透平发电机。
PCT/CN2017/101165 2017-09-11 2017-09-11 一种新型浮式风能 - 波浪能联合发电系统 WO2019047194A1 (zh)

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