Wind power mixing tower barrel based on edge stiffening combined shell

A hybrid tower and edge technology, applied in wind power generation, tower, installation/support configuration of wind turbines, etc., can solve the problems of large diameter and wall thickness of the tower, difficult construction, waste of materials, etc., and achieve high production efficiency and construction. Convenient, reliable connection effect

Pending Publication Date: 2019-03-01
CHONGQING UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Traditional wind turbines mostly use pure steel towers. In order to meet the requirements of stability, strength and fatigue, the diameter and wall thickness of the towers are generally large, resulting in waste of materials, difficult construction and inconvenient transportation.

Method used

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  • Wind power mixing tower barrel based on edge stiffening combined shell
  • Wind power mixing tower barrel based on edge stiffening combined shell
  • Wind power mixing tower barrel based on edge stiffening combined shell

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Embodiment Construction

[0021] The present invention will be further described below in conjunction with the accompanying drawings.

[0022] Such as figure 1 As shown, a wind power hybrid tower based on an edge-stiffened composite shell, the upper part of the system is a pure steel tower (1), and the lower part is a composite tower (2). The combined tower (2) is assembled from multiple edge-stiffened combined shells (3).

[0023] Such as figure 2 As shown, the combined tower (2) is assembled from 2 to 8 pieces (4 pieces are taken as an example in the figure) edge-stiffened composite shells (3) along the ring direction, and assembled in sections along the vertical direction; the edge-stiffened composite shells The body (3) is prefabricated in the factory and is composed of hollow interlayer concrete filled steel pipe (4) and outer end plates (8), inner end plates (9) and stiffening plates (10) arranged around it; adjacent edge stiffening composite shells (3) are connected by bolts (11).

[0024] ...

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Abstract

The invention discloses a wind power mixing tower barrel based on an edge stiffening combined shell, and relates to the technical field of wind power generation. The upper portion of the wind power mixing tower barrel is a pure steel tower barrel, and the lower portion of the wind power mixing tower barrel is a combined tower barrel. The combined tower barrel is formed by splicing two to eight edge stiffening combined shells along the circumferential direction, and is assembled along the vertical section. The edge stiffening combined shell is composed of hollow interlayer steel tube concrete and outer end plates, inner end plates and stiffening plates arranged along the periphery of the hollow interlayer steel tube concrete. The hollow interlayer steel tube concrete is composed of an outerlayer steel tube, an inner layer steel tube and concrete. Bolts, steel angles, T-shaped steel parts or a combination of the three steel parts are welded on one side of the steel pipe in advance, andthen concrete is poured. According to the wind power mixing tower barrel, the advantages of the combined structure are brought into full play, the stress form is reasonable, the connection is reliable, all the components can be prefabricated in advance and assemblied in filed, the construction efficiency is high, the material consumption is saved, the transport is convenient, and the engineering application prospect is wide.

Description

technical field [0001] The invention relates to the technical field of wind power generation. Background technique [0002] Wind power is a non-polluting, renewable and clean energy. Wind farms have high power generation, stable wind turbine operation, and mature manufacturing technology, and have been widely used in recent years. [0003] With the increasing demand for wind power energy, high-power, high-tower wind turbines are becoming more and more mainstream. Traditional wind turbines mostly use pure steel towers. In order to meet the requirements of stability, strength and fatigue, the diameter and wall thickness of the towers are generally large, resulting in waste of materials, difficult construction and inconvenient transportation. Therefore, it is necessary to develop and research a new hybrid tower form that is safe, reliable, convenient for construction and transportation, and saves cost. Contents of the invention [0004] The invention proposes a wind power ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F03D13/20
CPCF03D13/20F05B2240/912E04H12/08E04H12/12Y02E10/728Y02E10/72
Inventor 周绪红王宇航邓然
Owner CHONGQING UNIV
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