WO2009012716A1 - Ensemble pour recueillir du vent et générer du vent sous pression - Google Patents

Ensemble pour recueillir du vent et générer du vent sous pression Download PDF

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Publication number
WO2009012716A1
WO2009012716A1 PCT/CN2008/071744 CN2008071744W WO2009012716A1 WO 2009012716 A1 WO2009012716 A1 WO 2009012716A1 CN 2008071744 W CN2008071744 W CN 2008071744W WO 2009012716 A1 WO2009012716 A1 WO 2009012716A1
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WO
WIPO (PCT)
Prior art keywords
wind
air
wind turbine
pressurized
pressure
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PCT/CN2008/071744
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English (en)
French (fr)
Inventor
Zhimin Lian
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Zhimin Lian
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Publication date
Application filed by Zhimin Lian filed Critical Zhimin Lian
Publication of WO2009012716A1 publication Critical patent/WO2009012716A1/zh

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03GSPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
    • F03G6/00Devices for producing mechanical power from solar energy
    • F03G6/02Devices for producing mechanical power from solar energy using a single state working fluid
    • F03G6/04Devices for producing mechanical power from solar energy using a single state working fluid gaseous
    • F03G6/045Devices for producing mechanical power from solar energy using a single state working fluid gaseous by producing an updraft of heated gas or a downdraft of cooled gas, e.g. air driving an engine
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03DWIND MOTORS
    • F03D9/00Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/20Wind motors characterised by the driven apparatus
    • F03D9/25Wind motors characterised by the driven apparatus the apparatus being an electrical generator
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03DWIND MOTORS
    • F03D1/00Wind motors with rotation axis substantially parallel to the air flow entering the rotor 
    • F03D1/02Wind motors with rotation axis substantially parallel to the air flow entering the rotor  having a plurality of rotors
    • F03D1/025Wind motors with rotation axis substantially parallel to the air flow entering the rotor  having a plurality of rotors coaxially arranged
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03DWIND MOTORS
    • F03D9/00Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/30Wind motors specially adapted for installation in particular locations
    • F03D9/34Wind motors specially adapted for installation in particular locations on stationary objects or on stationary man-made structures
    • F03D9/35Wind motors specially adapted for installation in particular locations on stationary objects or on stationary man-made structures within towers, e.g. using chimney effects
    • F03D9/37Wind motors specially adapted for installation in particular locations on stationary objects or on stationary man-made structures within towers, e.g. using chimney effects with means for enhancing the air flow within the tower, e.g. by heating
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05BINDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00Components
    • F05B2240/10Stators
    • F05B2240/13Stators to collect or cause flow towards or away from turbines
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05BINDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00Components
    • F05B2240/20Rotors
    • F05B2240/21Rotors for wind turbines
    • F05B2240/211Rotors for wind turbines with vertical axis
    • F05B2240/212Rotors for wind turbines with vertical axis of the Darrieus type
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05BINDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00Components
    • F05B2240/90Mounting on supporting structures or systems
    • F05B2240/91Mounting on supporting structures or systems on a stationary structure
    • F05B2240/911Mounting on supporting structures or systems on a stationary structure already existing for a prior purpose
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05BINDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00Components
    • F05B2240/90Mounting on supporting structures or systems
    • F05B2240/91Mounting on supporting structures or systems on a stationary structure
    • F05B2240/912Mounting on supporting structures or systems on a stationary structure on a tower
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/40Solar thermal energy, e.g. solar towers
    • Y02E10/46Conversion of thermal power into mechanical power, e.g. Rankine, Stirling or solar thermal engines
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/72Wind turbines with rotation axis in wind direction
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/728Onshore wind turbines

Definitions

  • the present invention relates to an intelligent vertical-axis wind turbine that integrates a natural supercharged, intelligent wind collecting body, and more particularly, relates to an intelligent wind power generator that can be used in a wind farm and a building field.
  • the world is promoting a new generation of wind turbines, which mainly have such characteristics: increased power generation efficiency, low cost, intelligent control and remote management. How to improve the number of effective power generation of the generator set and improve the output efficiency of the power generation, how to maximize the power generation of the generator set under full wind conditions is a problem to be solved by the present invention.
  • the technical problem to be solved by the present invention is to construct an intelligent, multi-technical, all-weather wind turbine or an environment that enables it to generate electricity in full wind conditions.
  • the technical solution adopted by the present invention is a pressurized wind collecting wind turbine, which comprises a control system, a generator set, a combined air chamber, a turbocharger, a pressure chamber and The wind body is changed, and the unit synchronously controls the opening area of the wind collecting body, the angle of the inlet louver and the louver, and the amount of released air to achieve the optimal power generation state by the size of the wind and the motor speed.
  • the unit has a triangular shape and the main air chamber is circular.
  • the body contains an intelligent three-layer combined air chamber, which is controlled by intelligently controlled variable angles.
  • the leaf controls the amount of wind entering, and the intelligently controlled variable angle louvers at the exit ensure smooth air efflux. The air can only go up and cannot run in reverse.
  • the wind turbine has an air boosting system consisting of an axial turbocharger, a pressure chamber and a solenoid valve spout.
  • the intelligent system can activate the high-pressure air according to the genset speed and wind speed and the enthalpy signal.
  • the system runs up to push the impeller.
  • the pressurized wind turbine has a variable collector that is controlled by the intelligent system. It can change its collection area according to the wind force and the motion of other mechanical systems. Allow the small wind to increase the airflow pressure of the fan, or the wind to reduce the airflow pressure of the fan.
  • the axial turbocharger is driven by a wind turbine driven by a horizontal axis impeller to generate a high pressure gas to drive the main impeller horizontal impeller to generate electricity.
  • the compressed air nozzle / combustible gas nozzle 12 can be sprayed in a small or no wind. High-speed gas pushes the impeller 4 to drive the vertical shaft to generate electricity.
  • the basic structure of the unit consists of a vertical shaft, natural turbocharger, multi-motor, environmental wind body and intelligent system.
  • the unit of the present invention integrates turbocharging technology and improves, invents an axial flow wind supercharger, which uses the wind to push the compressed air generated by the supercharger blades, and enters the air chamber to push the impeller to generate electricity in a breeze or no wind.
  • the unit changed the situation that the traditional wind turbine could not generate electricity.
  • Figure 1 is a elevation view of a pressurized wind turbine
  • Figure 2 is a cross-sectional view of a pressurized wind turbine
  • Figure 3 is a bottom and upper plan view of a pressurized wind turbine
  • the generator 1 can be one, two, or three units in large, medium, and small sizes.
  • the turbocharger system consists of an axial flow wind booster 2, a pressure chamber 3, and a pressurized air nozzle 12 at the bottom of the unit (the upper layer is a separate system), and the ambient wind collecting body 15 is a signal that can receive an intelligent control system according to the size of the wind. Automatically change the wind collecting area up and down.
  • the intelligent intake louver 8 can automatically adjust the angle of the louver according to the generator speed to control the amount of intake air.
  • the air enters the main air chamber 10 through the intake air chambers 7, 9 to push the rotation of the impeller 4, and then is discharged to the leeward surface through the air outlet 16, and the outdoor air passes through the top vertical axis wind power generating blade 11, and the bottom impeller 4, 5 And 6 jointly push the vertical shaft 14 to drive the bottom motor 1 to generate electricity.
  • the unit only hangs the single unit, and the turbocharging systems 2, 3, 12 open the upward movement of the supercharged acceleration airflow to the main air chamber 10, and the control system sends out the environmental wind collecting body 15
  • the signal will maximize the area, and the maximum angle opens the windward surface of the air inlet louver 8, closes the leeward side air inlet louver 8, increases the wind speed of the intake air chamber 7, 9 and the main air chamber 10, and drives the rotation of the impeller 4 to generate electricity.
  • Unit 1 maximizes power generation, and then according to the unit speed increase and wind power increase, the turbocharger system 2, 3, 12 is turned off, the combined motor is automatically hung, and the large machine is fully loaded.
  • the control system sends out a signal to automatically gradually collect the small environment wind collecting body 15, and then sequentially control the angle of the intelligent intake air louver 8 gradually, the maximum wind power, the environmental wind collecting body 15 can be fully recovered, and the intelligent air intake facing the wind surface
  • the louvers 8 can all be closed.
  • the wind turbine can be set at a specific location, and the building intelligent wind collecting body can be used to change the density of the wind and the starting route, so that the power can be generated from the first to the twelfth level, and the utilization rate of the wind energy can be increased to more than 80%.
  • the generator set of the present invention can be industrially produced, and its basic structure is composed of a vertical shaft, a natural turbocharger, a multi-motor, an environmental collector, and an intelligent system.
  • the unit of the invention integrates the turbocharging technology and improves it, inventing the axial flow wind supercharger, using the wind to push the compressed air generated by the supercharger blades, and entering the wind chamber to push the impeller to generate electricity in a breeze or no wind.
  • the unit changed the situation that the traditional wind turbine could not generate electricity. Sequence table free content

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Wind Motors (AREA)

Description

说明书 增压集风式风力发电机组
技术领域
[1] 本发明涉及一种集自然增压、 智能集风体的智能型垂直轴风力发电机组, 更具 体地说, 涉及一种可用于风力发电场和建筑领域的智能型风力发电机组。
背景技术
[2] 能源是人类生存和社会发展的原动力和基本要素。 随着社会经济的飞速发展, 能源日益成为影响经济继续健康发展的瓶颈。 风力发电越来越成为可再生能源 发电的主要手段。
对发明的公开
技术问题
[3] 现在我们所釆用的水平轴风电机组存在着造价高, 噪音大, 发电效率低, 安装 维护复杂等缺陷。
目前全世界都在推动新一代的风力发电机组, 它主要具备这样的特点: 发电效 率提高、 造价低、 智能化控制和远程管理。 同吋如何提高发电机组有效发电小 吋数及提高发电的出力效率, 如何能在全风况情况下使发电机组最大化发电, 是本发明要解决的问题。
技术解决方案
[4] 针对传统风电机组的缺陷, 本发明要解决的技术问题在于: 构造一种智能型、 多技术手段、 全天候的风力发电机组或能使它全风况发电的环境。
[5] 为此, 本发明所釆用的技术方案是一种增压集风式风力发电机组, 该机组包括 由控制系统、 发电机组、 组合式风腔、 涡轮增压器、 压力仓及可变集风体, 而 该机组以风力的大小、 电机转速来同步控制集风体的开启面积, 进风百叶及出 风百叶的角度、 释放压力空气的数量以达到最优化发电状态。
[6] 进一步的改进如下:
[7] 该机组外形为三角形, 主风腔为园形。
[8] 该形体内包含了智能型三层组合式风腔, 该风腔入口处由智能控制的可变角百 叶控制风力的进入量, 出口处由智能控制的可变角百叶保证空气顺畅外排。 其 空气只能向上, 不能逆向运行。
[9] 该风力机组有一个由轴流式涡轮增压器、 压力仓和电磁阀喷口所组成的空气增 压系统, 智能系统可以根据发电机组转速及风速及吋发出信号开启执行机构驱 动高压空气系统向上运行推动叶轮。
[10] 增压集风式风力发电机组有一个被智能系统所控制的可变集风体, 它可根据风 力的大小和其它机械等系统的动作同步改变其集风面积。 使小风吋增大风机的 气流压力, 或大风吋减少风机的气流压力。
[11] 在主风腔内推动多层叶轮、 涡轮压气机、 压气风扇, 室外风推动顶部垂直轴风 力发电桨叶通过垂直轴连杆共同工作并作功于底部发电机组发电。 3种多层水平 旋转浆叶分为底部被动旋转的压气风扇, 涡轮压气机和上部靠垂直气流推动的 多层叶轮。
[12] 所述轴流式涡轮增压器是由水平轴叶轮被风力驱动带动涡轮增压器产生高压气 体来驱动主风腔水平叶轮发电。
[13] 在智能控制下, 压缩空气喷口 /可燃气体喷口 12可在小风或无风的情况下喷出 高速气体推动叶轮 4带动垂直轴发电。
有益效果
[14]
[15] 该机组的基本结构釆用垂直轴、 涡轮自然增压、 多电机、 环境集风体和智能系 统所组成。 本发明机组整合了涡轮增压技术并进行改进, 发明了轴流风力增压 器, 利用风力推动增压器桨叶产生的压缩空气, 进入风腔推动叶轮在微风或无 风吋发电。 该机组改变传统风机小风不能发电的情况。
附图说明
[16] 图 1是增压集风式风力发电机组立面图
[17] 图 2是增压集风式风力发电机组剖面图
[18] 图 3是增压集风式风力发电机组底部和上部平面图
本发明的最佳实施方式
[19] 本发明的实施方式
[20] 在图 1、 2、 3中可以看到, 该机组垂直轴方向有多个涡轮叶轮 4、 5、 6, 发电机 1可以是一台、 二台或三台按大中小规格配置, 涡轮增压系统由轴流风力增压器 2,压力仓 3,压力空气喷口 12在机组底部组成 (上层为各自独立的系统), 环境集风 体 15是可根据风力大小接受智能控制系统的信号、 自动上下改变集风面积, 智能进气百叶 8可根据发电机转速自动调节百叶的角度, 以控制进气量的大小, 可自动开闭迎风面百叶和背风面百叶以达到空气顺畅流动和在维修或大风吋关 闭。 空气通过进气风腔 7、 9进入主风腔 10, 推动叶轮 4的旋转, 然后通过出风口 16排出到背风面, 室外空气通过推动顶部垂直轴风力发电桨叶 11, 与底部叶轮 4 、 5、 6共同推动垂直轴 14驱动底部电机 1进行发电。
[21] 同吋, 当一级风力吋, 机组只挂单机, 涡轮增压系统 2、 3、 12开启对主风腔 10 进行增压加速气流的向上运动,控制系统对环境集风体 15发出信号将面积打至最 大, 并最大角度打开迎风面进气百叶 8、 关闭背风面进气百叶 8、 将进气风腔 7、 9和主风腔 10处风速提高, 推动叶轮 4的旋转驱动发电机组 1最大化发电,然后根据 机组转速提高和风力加大关闭涡轮增压系统 2、 3、 12,组合电机自动挂中,大机, 当大中小电机全部挂满, 超出额定功率达至极限吋, 控制系统发出信号可自动 逐渐收小环境集风体 15、 然后顺序控制逐渐收小智能进气百叶 8的角度,风力最大 吋, 环境集风体 15可全部收回, 迎背风面的智能进气百叶 8可全部关闭。
[22] 所有的机械收放都由控制系统的机组转速探感、 风力探感, 控制器和传动机构
(步进电机等) 完成。 以达致发电机组始终处于最佳发电出力状态。 可根据建 筑规划将风机设置在特定的位置, 配合建筑智能集风体,改变风力的密度及启动 路线, 实现从一级到十二级均可发电, 将风能的利用率提高到 80%以上。
工业实用性
[23] 本发明的发电机组可釆用工业化进行生产, 其基本结构釆用垂直轴、 涡轮自然 增压、 多电机、 环境集风体和智能系统所组成。 本发明机组整合了涡轮增压技 术并进行改进, 发明了轴流风力增压器, 利用风力推动增压器桨叶产生的压缩 空气, 进入风腔推动叶轮在微风或无风吋发电。 该机组改变传统风机小风不能 发电的情况。 序列表自由内容
[24]

Claims

权利要求书
1、 一种增压集风式风力发电机组, 该机组包括由控制系统、 发电机组 1、 组合式风腔 7、 9、 10、 涡轮增压器 2、 压力仓 3及可变集风体 15, 其特征在 于: 该机组以风力的大小、 电机转速来同步控制集风体的开启面积, 进风 百叶 8及出风百叶 13的角度、 释放压力空气的数量以达到最优化发电状态。
2、 根据权利要求 1所述的增压集风式风力发电机组, 其特征在于, 该机组 外形为三角形, 主风腔为园形。
3、 根据权利要求 2所述的增压集风式风力发电机组, 其特征在于, 该形体 内包含了智能型三层组合式风腔 9, 该风腔入口处由智能控制的可变角百叶 8控制风力的进入量, 各层出风口 16和顶部出风口处由智能控制的可变角百 叶 13保证空气顺畅外排。 其空气只能向上, 不能逆向运行。
4、 根据权利要求 1所述的增压集风式风力发电机组, 其特征在于, 该风力 机组有一个由轴流式涡轮增压器 2、 压力仓 3和电磁阀喷口 12所组成的空气 增压系统, 智能系统可以根据发电机组转速及风速及吋发出信号开启执行 机构驱动高压空气系统向上运行推动叶轮 4。
5、 根据权利要求 1、 2、 3所述的增压集风式风力发电机组, 其特征在于有 一个被智能系统所控制的可变集风体 15, 它可增加迎风面的空气压力, 减 少背风面空气压力, 提高空气通过涡轮的速度。 它可根据风力的大小和其 它机械等系统的动作同步改变其集风面积。 使涡轮中桨叶能够最大化的匀 速工作。
6、 根据权利要求 3所述的增压集风式风力发电机组, 其特征在于在主风腔 1 0内推动多层叶轮 4、 涡轮压气机 5、 压气风扇 6, 室外风推动顶部垂直轴风 力发电桨叶 11通过垂直轴连杆 14共同工作并作功于底部发电机组 1发电。 3 种多层水平旋转浆叶分为底部被动旋转的压气风扇 6, 涡轮压气机 5和上部 靠垂直气流推动的多层叶轮 4。
7、 根据权利要求 4所述的增压集风式风力发电机组, 其特征在于, 轴流式 涡轮增压器 2是由水平轴叶轮被风力驱动带动涡轮增压器产生高压气体来驱 动主风腔水平叶轮 4发电。
8、 根据权利要求 4所述的增压集风式风力发电机组, 其特征在于, 在智能控制下, 压缩空气喷口 /可燃气体喷口 12可在小风或无风的情况下喷 出高速气体推动叶轮 4带动垂直轴发电。
PCT/CN2008/071744 2007-07-24 2008-07-24 Ensemble pour recueillir du vent et générer du vent sous pression WO2009012716A1 (fr)

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CN109869276A (zh) * 2017-12-03 2019-06-11 甘肃慧风节能有限公司 一种双涵道垂直轴风力发电机
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CN114810229A (zh) * 2022-04-28 2022-07-29 苏州西热节能环保技术有限公司 一种烟气动能回收系统及方法
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