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Wind turbine blade anti-icing system

A technology for wind turbine blades and an anti-icing system, which is applied to wind turbines, wind turbines, motors and other directions that are consistent with the wind direction, can solve the problem of reduced wind power generation efficiency and safety, resistance coils that are easy to cause lightning strikes, and can not achieve anti-icing, etc. To reduce the cost of anti-icing operations, prevent surface icing, and improve operating efficiency

Pending Publication Date: 2021-03-30
LIUPANSHUI NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Coating anti-icing cannot achieve effective anti-icing and must be combined with other active methods; thermal energy anti-icing consumes additional energy, and resistance coils are likely to cause lightning strikes, reducing the efficiency and safety of wind power generation

Method used

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  • Wind turbine blade anti-icing system

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Embodiment Construction

[0011] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0012] see figure 1 As shown, a wind turbine blade anti-icing system includes a heat recovery system and a heating system. The heat recovery system includes an antifreeze water tank, a water pump, a gearbox cooler unit, a generator cooler unit, a two-position three-way solenoid valve, an electric The fan cooling unit, the output end of the antifreeze water tank is connected to the water pump inlet, the water pump outlet is connected to the input end of the cold flu...

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Abstract

The invention discloses a wind turbine blade anti-freezing system, and relates to the technical field of wind turbine devices. The system comprises a heat recovery system and a heating system. The heat recovery system comprises an anti-freezing water tank, a water pump, a gear box cooler unit, a generator cooler unit, a two-position three-way electromagnetic valve and an electric fan cooling unit;and the heating system comprises an electronic temperature control switch, a fluid slip ring, a main shaft, a hub, blades, a heating pipeline and a one-way valve. The wind turbine blade anti-freezingsystem has the beneficial effects that by arranging the heat recovery system and the heating system, anti-freezing water collects gear box lubricating oil in a cabin of a wind turbine and heat generated after generator cooling water cools equipment, and when freezing is possibly caused due to the low environment temperature, the collected heat is conveyed into the blades to heat the blades, the surfaces of the blades are prevented from freezing, energy can be effectively saved, the anti-icing operation cost is reduced, and the operation efficiency of the wind turbine is improved.

Description

technical field [0001] The invention belongs to the technical field of wind turbine devices, in particular to a wind turbine blade anti-icing system. Background technique [0002] As a green, environment-friendly and non-polluting energy source, wind power generation has received more and more attention and development around the world. When the wind turbine operates in winter, the temperature is low and the humidity is high, freezing rain, supercooled water droplets in the clouds, etc. will easily cause the blades to freeze. After the blade freezes, it will not only change the geometry of the blade, reduce the aerodynamic performance, and affect the efficiency of the unit, but also lead to changes in material load, structure, and performance. Therefore, it is very important to prevent wind turbine blades from icing under low temperature conditions. [0003] The current active anti-icing methods for wind turbines mainly include thermal energy anti-icing and coating anti-ic...

Claims

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Application Information

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IPC IPC(8): F03D80/40F03D80/60F03D1/06H02K9/19F16H57/04
CPCF03D80/40F03D80/60F03D1/0675H02K9/19F16H57/0412F16H57/0413Y02E10/72
Inventor 周文平
Owner LIUPANSHUI NORMAL UNIV
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