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Replacing process of wind tower foundation ring upper flange

A technology of foundation ring and flange, which is applied in the field of flange replacement process on the wind tower foundation ring, can solve the problems of prolonging the service life of the foundation ring base, and achieve the effects of increasing revenue, reducing cost and reducing impact

Inactive Publication Date: 2020-07-31
上海妙城智能科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Replacing the flange on the base ring and re-welding will definitely prolong the service life of the entire base ring base
At present, in China, there is no relevant technical solution for the replacement of the flange on the fan foundation ring.

Method used

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  • Replacing process of wind tower foundation ring upper flange

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Embodiment Construction

[0023] 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.

[0024] refer to figure 1 , the replacement process of the flange on the wind tower foundation ring, including the following steps:

[0025] S1: The base ring is made of Q345E grade steel, a low-temperature material;

[0026] Preparations before cutting: Cover the wires, electrical components and other things that cannot be removed in the foundation of the tower with flame-retardant plastic cloth or other items to prevent pollution or damage during the operation. And during any operation after welding, it is not allowed to damage the existing base ring cylinder and new flange anti-corrosion coating, take protective measures for the existing cylinder, bolt holes and f...

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Abstract

The invention discloses a replacing process of a wind tower foundation ring upper flange. The process comprises the following steps that an original flange is cut; a temperature-resistance material isused for protection, after a mark line is made, a cutting trolley pre-walks by one circle, height consistency is kept, cutting is carried out, and after cutting, the diameter of a ring is measured; an original foundation ring is grooved; a modified magnetic cutting trolley pre-walks by one circle, height consistency is kept, a cylinder wall center line is drawn, a groove angle is checked, and theupper surface levelness is checked; a new flange is assembled; and the diameter of the new flange is measured, the new flange diameter obtained through measuring is compared with and matched with thering diameter obtained through measuring, new flange lifting and assembly are carried out, and the levelness of the new flange is checked. Renovation of a whole foundation ring base can be achieved,the service deadline of the foundation ring base can be prolonged, the whole service period cost of a wind generating set can be reduced, incomes are improved, and the influence on the safety and theenvironment can be reduced.

Description

technical field [0001] The invention relates to the technical field of wind power generation, in particular to a replacement process for a flange on a wind tower foundation ring. Background technique [0002] With the passage of time, the large-scale decommissioning of wind turbines in my country will soon come, and the decommissioning of large-scale wind turbines will bring safety, environmental and economic impacts. Proper handling of decommissioned wind turbines can not only reduce the cost of the entire service cycle of wind turbines, increase revenue, but also reduce the impact on safety and the environment. Wind power generation is being vigorously promoted. For the treatment of wind turbines out of service, there are currently two main treatment methods: one is to refurbish the decommissioned wind turbines, put them into use again or use them as spare parts; Sorted for recycling. The core of wind power conversion is the fan. The support of the fan is supported by th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P15/00B23K10/00B23K31/02B24B27/033B24B9/04B24B23/00
CPCB23K10/00B23K31/02B23P15/00B24B9/04B24B23/00B24B27/033
Inventor 夏伦华
Owner 上海妙城智能科技有限公司
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