WO2012027953A1 - Large wind power generation set for ultra-low temperature environment - Google Patents

Large wind power generation set for ultra-low temperature environment Download PDF

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Publication number
WO2012027953A1
WO2012027953A1 PCT/CN2011/001400 CN2011001400W WO2012027953A1 WO 2012027953 A1 WO2012027953 A1 WO 2012027953A1 CN 2011001400 W CN2011001400 W CN 2011001400W WO 2012027953 A1 WO2012027953 A1 WO 2012027953A1
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Prior art keywords
hub
ultra
low temperature
base
temperature environment
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PCT/CN2011/001400
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French (fr)
Chinese (zh)
Inventor
陈湘泉
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广东明阳风电产业集团有限公司
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Publication of WO2012027953A1 publication Critical patent/WO2012027953A1/en

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Classifications

    • 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
    • F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor 
    • F03D1/06—Rotors
    • F03D1/065—Rotors characterised by their construction elements
    • 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
    • F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
    • 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
    • F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
    • F03D80/60—Cooling or heating of wind motors
    • 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
    • F05B2220/00—Application
    • 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

Definitions

  • the present invention relates to a large wind turbine, and more particularly to a large wind turbine for use in an ultra-low temperature environment.
  • the large wind turbines referred to herein refer to fans with a single turbine rated above 1 MW.
  • Large-scale wind turbines are used in outdoor environments with remote locations and harsh environments.
  • Conventional large-scale wind turbines generally have a temperature range of -40 ° C to +50 ° C and an operating temperature of -30 "C - +40 ° C.
  • Conventional large wind turbines are often not used properly. Some components will be damaged after the low temperature process, and the power generation will be greatly reduced.
  • the present invention overcomes the deficiencies of the prior art and provides a large wind turbine that can accommodate ultra-low temperature environments.
  • the present invention adopts the following technical solutions:
  • the utility model relates to a large wind power generator for an ultra-low temperature environment, which comprises a tower and a main machine mounted on the top of the tower.
  • the input end of the main body is connected with a hub, an impeller is connected to the hub, and a pitch reducer is arranged in the hub.
  • the main body includes an organic seat, a gearbox is arranged on the base, a bearing seat is arranged on the shaft connecting the gearbox and the hub, and a yaw reducer is arranged on the base, and the tower and the base are high Low-strength alloy material, the hub, bearing housing,
  • the pitch reducer housing and the yaw reducer housing are made of ductile iron.
  • the large-scale wind power generator for an ultra-low temperature environment as described above is characterized in that a heater for heating and heating the internal components of the main unit is provided on the base.
  • a large-scale wind power generator for an ultra-low temperature environment as described above is characterized in that an air radiator for dissipating heat from a main component of the main body is provided on the base.
  • a large-scale wind power generator for an ultra-low temperature environment as described above is characterized in that an oil-cooled heat sink for dissipating heat from a main component of the main body is provided on the base.
  • a large wind turbine for an ultra-low temperature environment as described above is characterized in that the high strength low alloy material is of the type Q345E.
  • a large wind turbine for an ultra-low temperature environment as described above is characterized in that the model of the ductile iron material is QT350-22AL.
  • the present invention has the following advantages:
  • the tower and the base of the present invention are made of high-strength and low-alloy materials
  • the hub, the bearing housing, the variable speed reducer housing, and the yaw reducer housing are made of ductile iron material. After testing, these materials are at -45 ° C, Can achieve the corresponding technical indicators to prevent the components from brittle at low temperatures.
  • a heater and an air/oil cooling radiator are provided on the base to help the main unit to heat or dissipate heat.
  • the present invention also has the advantages of simple structure and the like.
  • Figure 1 is a partial enlarged view of the host
  • Figure 2 is a perspective view of the present invention. ⁇ detailed description ⁇
  • a large wind turbine for an ultra-low temperature environment includes a tower 1 and a mainframe 2 mounted on the top of the tower 1.
  • the hub 2 is connected to the input end of the main body 2, and the impeller 3 is connected to the hub 4.
  • a pitch reducer 5 is provided in the hub 4.
  • the main unit 2 includes an organic base 21, and a transmission 22 is provided on the base 21, and a bearing housing 23 is provided on a shaft to which the transmission 22 and the hub 4 are coupled.
  • a yaw reducer 6 is provided on the base 21.
  • the tower 1 and the base 21 are made of a high-strength low-alloy material.
  • the high-strength low-alloy material is of the type Q345E.
  • the hub 4, the bearing housing 23, the pitch reducer housing, and the yaw reducer housing are made of ductile iron material.
  • the ductile iron material is of the type QT350-22AL.
  • High-strength and low-alloy materials are tested for low-temperature impact properties at -45 °C, and the corresponding technical specifications are required to prevent the host structural members from brittle at ultra-low temperatures.
  • the nodular cast iron material is tested for low temperature impact performance under the test environment of -45 ° C, and it is required to reach the corresponding technical specifications to prevent the host structural member from being brittle at an ultra-low temperature.
  • the base 21 is provided with a heater 7 for heating the internal components of the main unit 2, and the power of the heater 7 can be increased.
  • the temperature rises to a higher allowable operating temperature.
  • An air radiator 8 or an oil-cooled radiator 8 for dissipating heat from the internal components of the main unit 2 is provided on the base 21.
  • the use of air radiator 8 or oil-cooled radiator 8 can effectively prevent the coolant from freezing at low temperatures.
  • the electronic components of the main control system, the frequency conversion system, and the pitch system of the present invention are all components that can survive at -45 ° C and work at -40 ⁇ .
  • the hydraulic oil of the hydraulic station of the present invention is changed to Shell Tess's Te ds 1 ⁇ 32 hydraulic oil, and the 611115 Arctic 32 hydraulic oil is a high-performance zinc-free anti-wear hydraulic oil which can be used at extremely low temperatures. Further, a part of the hot air discharged from the generator of the present invention is returned to the nacelle.
  • the host starts the preparatory start-up procedure: first, turn on the gearbox heater, control cabinet heater, cabin heater, tower-based heater, etc.; wait until the gearbox oil temperature, control cabinet rises Gradually resume power generation after reaching the appropriate temperature.
  • the invention can make the fan survive at -45 °C - +50 °C, and -40 °C -40 °C to generate electricity normally.

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

Abstract

A large wind power generation set for ultra-low temperature environment comprises a tower (1) and a host machine (2) mounted at the top end of the tower, wherein an input end of the host machine is connected with a hub (4) to which an impeller (3) is connected. A pitch reducer (5) is arranged in the hub. The host machine comprises a base (21) on which a gear box (22) and a yaw reducer (6) are provided. A shaft of the gearbox, which is connected with the hub, is provided with a bearing seat (23). The tower and the base are made of a high-strength low-alloy material, and the hub, the bearing seat, the pitch reducer shell and the yaw reducer shell are made of a ductile cast iron material.

Description

说明书 用于超低温环境的大型风力发电机组  Instructions Large wind turbines for ultra-low temperature environments
【技术领域】 [Technical Field]
本发明涉及一种大型风力发电机组，尤其是涉及一种用于超低温 环境的大型风力发电机组。  The present invention relates to a large wind turbine, and more particularly to a large wind turbine for use in an ultra-low temperature environment.
【背景技术】  【Background technique】
本文所指的大型风力发电机组是指单台风机额定功率在 1MW 以 上的风机。大型风力发电机组应用在位置偏远、环境恶劣的户外环境， 常规的大型风力发电机组普遍生存温度为 -40°C — +50°C， 运行温度 -30 "C - +40°C。 对于可能有更低气温低于- 40 °C的地域， 常规大型 风力发电机组往往不能正常使用，经过低温过程后有些零部件会出现 损坏， 发电量也会大幅度下降。  The large wind turbines referred to herein refer to fans with a single turbine rated above 1 MW. Large-scale wind turbines are used in outdoor environments with remote locations and harsh environments. Conventional large-scale wind turbines generally have a temperature range of -40 ° C to +50 ° C and an operating temperature of -30 "C - +40 ° C. For possible In areas with lower temperatures below -40 °C, conventional large wind turbines are often not used properly. Some components will be damaged after the low temperature process, and the power generation will be greatly reduced.
【发明内容】  [Summary of the Invention]
本发明克服了现有技术的不足，提供一种能适应超低温环境的大 型风力发电机组。  The present invention overcomes the deficiencies of the prior art and provides a large wind turbine that can accommodate ultra-low temperature environments.
为解决上述技术问题， 本发明采用以下技术方案：  In order to solve the above technical problems, the present invention adopts the following technical solutions:
用于超低温环境的大型风力发电机组，其特征在于包括塔架和安 装在塔架顶端的主机，主机的输入端连接有轮毂，在轮毂上连接有叶 轮， 在轮毂内设有变桨减速机， 所述主机包括有机座， 在机座上设有 变速箱，在变速箱与轮毂连接的轴上设有轴承座，在机座上设有偏航 减速机，所述塔架、机座采用高强度低合金材料，所述轮毂、轴承座、 变桨减速机外壳、 偏航减速机外壳采用球墨铸铁材料。 The utility model relates to a large wind power generator for an ultra-low temperature environment, which comprises a tower and a main machine mounted on the top of the tower. The input end of the main body is connected with a hub, an impeller is connected to the hub, and a pitch reducer is arranged in the hub. The main body includes an organic seat, a gearbox is arranged on the base, a bearing seat is arranged on the shaft connecting the gearbox and the hub, and a yaw reducer is arranged on the base, and the tower and the base are high Low-strength alloy material, the hub, bearing housing, The pitch reducer housing and the yaw reducer housing are made of ductile iron.
如上所述的用于超低温环境的大型风力发电机组，其特征在于在 所述机座上设有将主机内部件加热升温的加热器。  The large-scale wind power generator for an ultra-low temperature environment as described above is characterized in that a heater for heating and heating the internal components of the main unit is provided on the base.
如上所述的用于超低温环境的大型风力发电机组，其特征在于在 所述机座上设有将主机内部件进行散热的空气散热器。  A large-scale wind power generator for an ultra-low temperature environment as described above is characterized in that an air radiator for dissipating heat from a main component of the main body is provided on the base.
如上所述的用于超低温环境的大型风力发电机组，其特征在于在 所述机座上设有将主机内部件进行散热的油冷散热器。  A large-scale wind power generator for an ultra-low temperature environment as described above is characterized in that an oil-cooled heat sink for dissipating heat from a main component of the main body is provided on the base.
如上所述的用于超低温环境的大型风力发电机组，其特征在于所 述高强度低合金材料的型号为 Q345E。  A large wind turbine for an ultra-low temperature environment as described above is characterized in that the high strength low alloy material is of the type Q345E.
如上所述的用于超低温环境的大型风力发电机组，其特征在于所 述球墨铸铁材料的型号为 QT350-22AL。  A large wind turbine for an ultra-low temperature environment as described above is characterized in that the model of the ductile iron material is QT350-22AL.
本发明与现有技术相比， 有以下优点：  Compared with the prior art, the present invention has the following advantages:
首先， 本发明的塔架、机座采用高强度低合金材料， 轮毂、轴承 座、 变桨减速机外壳、 偏航减速机外壳采用球墨铸铁材料， 经测试， 这些材料在- 45°C， 其能达到相应的技术指标， 防止构件在超低温下 脆断。  Firstly, the tower and the base of the present invention are made of high-strength and low-alloy materials, and the hub, the bearing housing, the variable speed reducer housing, and the yaw reducer housing are made of ductile iron material. After testing, these materials are at -45 ° C, Can achieve the corresponding technical indicators to prevent the components from brittle at low temperatures.
再有， 在机座上设有加热器和空气 /油冷散热器， 帮助主机进行 加热或者散热。  Furthermore, a heater and an air/oil cooling radiator are provided on the base to help the main unit to heat or dissipate heat.
此外， 本发明还具有结构简单等优点。  In addition, the present invention also has the advantages of simple structure and the like.
【附图说明】  [Description of the Drawings]
图 1为主机的局部放大图； Figure 1 is a partial enlarged view of the host;
图 2为本发明的立体图。 【具体实施方式】 Figure 2 is a perspective view of the present invention. 【detailed description】
下面结合附图对本发明进行详细描述：  The present invention will be described in detail below with reference to the accompanying drawings:
如图所示， 用于超低温环境的大型风力发电机组， 包括有塔架 1 和安装在塔架 1顶端的主机 2。 主机 2的输入端连接有轮毂 4， 在轮 毂 4上连接有叶轮 3。 在轮毂 4内设有变桨减速机 5。 所述主机 2包 括有机座 21， 在机座 21上设有变速箱 22， 在变速箱 22与轮毂 4连 接的轴上设有轴承座 23。 在机座 21上设有偏航减速机 6。  As shown, a large wind turbine for an ultra-low temperature environment includes a tower 1 and a mainframe 2 mounted on the top of the tower 1. The hub 2 is connected to the input end of the main body 2, and the impeller 3 is connected to the hub 4. A pitch reducer 5 is provided in the hub 4. The main unit 2 includes an organic base 21, and a transmission 22 is provided on the base 21, and a bearing housing 23 is provided on a shaft to which the transmission 22 and the hub 4 are coupled. A yaw reducer 6 is provided on the base 21.
为了适应超低温环境， 所述的塔架 1、 机座 21采用高强度低合 金材料， 在本发明中， 高强度低合金材料采用型号为 Q345E。所述轮 毂 4、轴承座 23、变桨减速机外壳、偏航减速机外壳采用球墨铸铁材 料， 在本发明中， 球墨铸铁材料采用型号为 QT350-22AL。 高强度低 合金材料在 -45°C的环境下测试低温冲击性能， 要求达到相应技术指 标， 防止主机结构件在超低温下脆断。 球墨铸铁材料在 -45°C测试的 环境下测试低温冲击性能，要求达到相应技术指标， 防止主机结构件 在超低温下脆断。  In order to adapt to the ultra-low temperature environment, the tower 1 and the base 21 are made of a high-strength low-alloy material. In the present invention, the high-strength low-alloy material is of the type Q345E. The hub 4, the bearing housing 23, the pitch reducer housing, and the yaw reducer housing are made of ductile iron material. In the present invention, the ductile iron material is of the type QT350-22AL. High-strength and low-alloy materials are tested for low-temperature impact properties at -45 °C, and the corresponding technical specifications are required to prevent the host structural members from brittle at ultra-low temperatures. The nodular cast iron material is tested for low temperature impact performance under the test environment of -45 ° C, and it is required to reach the corresponding technical specifications to prevent the host structural member from being brittle at an ultra-low temperature.
为了进一步提高主机的抗低温性能， 在所述机座 21上设有将主 机 2内部件加热升温的加热器 7， 而且可以增加加热器 7的功率。 使 主机从低温下准备启动时， 能比较快地加热温升到允许工作温度。  In order to further improve the low-temperature resistance of the main unit, the base 21 is provided with a heater 7 for heating the internal components of the main unit 2, and the power of the heater 7 can be increased. When the main unit is ready to start from a low temperature, the temperature rises to a higher allowable operating temperature.
在所述机座 21上设有将主机 2内部件进行散热的空气散热器 8 或者油冷散热器 8。采用空气散热器 8或者油冷散热器 8可有效防止 冷却液在低温下结冰冻结。  An air radiator 8 or an oil-cooled radiator 8 for dissipating heat from the internal components of the main unit 2 is provided on the base 21. The use of air radiator 8 or oil-cooled radiator 8 can effectively prevent the coolant from freezing at low temperatures.
此外， 本发明的主控系统、变频系统、变桨系统的各个电子元器 件均选用能在 -45°C下生存、 -40Ό下工作的元器件。 本发明的液压站 的液压油改为壳牌得力士的 Te ds 1^ 32液压油，了611115 Arctic 32 液压油是高性能无锌抗磨液压油， 其能在极低温度下应用。还有， 本 发明的发电机排出的热风有一部分回流进入机舱。 In addition, the electronic components of the main control system, the frequency conversion system, and the pitch system of the present invention The parts are all components that can survive at -45 ° C and work at -40 。. The hydraulic oil of the hydraulic station of the present invention is changed to Shell Tess's Te ds 1^32 hydraulic oil, and the 611115 Arctic 32 hydraulic oil is a high-performance zinc-free anti-wear hydraulic oil which can be used at extremely low temperatures. Further, a part of the hot air discharged from the generator of the present invention is returned to the nacelle.
当户外温度在 -40'C以上时， 主机开启预备启动程序： 即先开启 齿轮箱加热器、控制柜加热器、机舱加热器、塔基加热器等设备； 待 齿轮箱油温、 控制柜升到合适温度后逐渐恢复发电。  When the outdoor temperature is above -40'C, the host starts the preparatory start-up procedure: first, turn on the gearbox heater, control cabinet heater, cabin heater, tower-based heater, etc.; wait until the gearbox oil temperature, control cabinet rises Gradually resume power generation after reaching the appropriate temperature.
本发明采用上述方案后， 可以使风机在 -45 °C — +50°C生存， -40°C 一 +40°C正常发电。  After adopting the above scheme, the invention can make the fan survive at -45 °C - +50 °C, and -40 °C -40 °C to generate electricity normally.

Claims

权利要求书 Claim
1、 用于超低温环境的大型风力发电机组， 其特征在于包括塔架 ( 1)和安装在塔架（1)顶端的主机（2)， 主机（2) 的输入端连接 有轮毂 （4)， 在轮毂 （4) 上连接有叶轮 （3 ), 在轮毂 （4) 内设有 变桨减速机 （5), 所述主机 （2) 包括有机座 （21)， 在机座 （21) 上设有变速箱 （22)， 在变速箱 （22) 与轮毂（4) 连接的轴上设有 轴承座（23), 在机座（21)上设有偏航减速机（6)， 所述塔架（1)、 机座 （21)采用高强度低合金材料， 所述轮毂（4)、 轴承座 （23)、 变桨减速机外壳、 偏航减速机外壳采用球墨铸铁材料。 1. A large wind turbine for an ultra-low temperature environment, comprising a tower (1) and a host (2) mounted on the top of the tower (1), the hub (4) being connected to the input end of the host (2), An impeller (3) is connected to the hub (4), a pitch reducer (5) is arranged in the hub (4), and the main body (2) includes an organic seat (21), which is arranged on the base (21) There is a gearbox (22), a bearing seat (23) is arranged on the shaft connecting the gearbox (22) and the hub (4), and a yaw reducer (6) is arranged on the base (21), the tower The frame (1) and the frame (21) are made of high-strength low-alloy material, and the hub (4), the bearing seat (23), the pitch reducer casing, and the yaw reducer casing are made of ductile iron.
2、 根据权利要求 1所述的用于超低温环境的大型风力发电机 组， 其特征在于在所述机座 （21) 上设有将主机 （2) 内部件加热 升温的加热器（7)。  A large-scale wind power generator for an ultra-low temperature environment according to claim 1, characterized in that the base (21) is provided with a heater (7) for heating the internal components of the main unit (2).
3、 根据权利要求 1或 2所述的用于超低温环境的大型风力发 电机组， 其特征在于在所述机座 （21) 上设有将主机 （2) 内部件 进行散热的空气散热器（8)。  3. A large-scale wind power generator for an ultra-low temperature environment according to claim 1 or 2, characterized in that an air radiator for dissipating heat from the inner part of the main body (2) is provided on the base (21) (8) ).
4、 根据权利要求 1或 2所述的用于超低温环境的大型风力发 电机组， 其特征在于在所述机座 （21) 上设有将主机 （2) 内部件 进行散热的油冷散热器（8)。  The large-scale wind power generator for an ultra-low temperature environment according to claim 1 or 2, characterized in that the machine base (21) is provided with an oil-cooled heat sink for dissipating heat from the inner part of the main body (2) ( 8).
PCT/CN2011/001400 2010-09-01 2011-08-22 Large wind power generation set for ultra-low temperature environment WO2012027953A1 (en)

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