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Fan tower

A technology of wind turbine towers and tower sections, applied in the field of new energy wind power, can solve problems such as transportation difficulties and reduced economic benefits, and achieve the effects of wide application range, convenient construction and transportation, and novel structural forms

Inactive Publication Date: 2012-10-17
GUODIAN UNITED POWER TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

With the increase of the tower height, especially when the tower height reaches more than 80 meters, for the traditional steel structure tower, the restrictions on its design and construction technology gradually increase, the transportation is difficult, and the economic benefit is significantly reduced

Method used

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Embodiment Construction

[0024] The preferred embodiments of the present invention will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

[0025] Such as figure 1 As shown, a fan tower of the present invention has a tower body comprising an upper steel tower section 1 and a lower prefabricated concrete tower section 2 connected to the steel tower section 1, and the prefabricated concrete tower section 2 is composed of a plurality of prefabricated concrete tower sections Concrete units 2n spliced ​​together.

[0026] Such as figure 2 As shown, the lower end of the steel tower section 1 and the upper end of the precast concrete tower section 2 are respectively preset with bolt connectors, and the two are connected by bolts 3 .

[0027] Such as figure 1 , 3 As shown, the precast concrete unit 2n is a...

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Abstract

The invention discloses a fan tower. The tower body of the fan tower comprises a steel tower section at the upper part and a precast concrete tower section at the lower part connected with the steel tower section, wherein the precast concrete tower section is formed by splicing multiple precast concrete units. The steel-precast concrete combined fan tower disclosed by the invention overcomes the restriction in terms of manufacturing, transportation and the like of the traditional steel tower, has high economic benefits, breaks through the limitation that the height of the steel tower cannot exceed 100m, and can meet the requirement on the tower height of the current fan development.

Description

technical field [0001] The invention belongs to the field of new energy wind power and relates to a fan tower structure. Background technique [0002] The main function of the wind turbine tower is to lift the impeller to the design height to obtain greater wind energy and more stable wind speed. Relevant studies have confirmed that in the process of wind power generation, stable wind speed is an important factor for megawatt wind turbines to achieve high power. Whether on land or at sea, the wind speed is usually relatively stable at an altitude of 80-200 meters. At the same time, the size of the impeller is also a very important parameter for megawatt fan equipment. Taking a wind turbine with an average power of 2.0 to 5.0 MW as an example, the diameter of the impeller is close to 100 meters. As the need for stable wind speed and the diameter of the impeller increase, the height of the tower supporting the wind turbine also increases accordingly. In addition, according...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F03D11/00F03D13/20
CPCY02E10/722Y02E10/72Y02E10/728Y02P70/50
Inventor 张永利张启应张东灿徐国庆王东
Owner GUODIAN UNITED POWER TECH
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