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Construction method for pre-burying cable pipe on fan foundation in mountain wind power engineering

A technology for wind turbine foundation and wind power engineering, which is applied to cable installation in underground pipelines, cable installation, installation/support configuration of wind turbines, etc.

Active Publication Date: 2021-07-20
POWER CHINA HENAN ENG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In recent years, the construction of wind power projects in my country has developed rapidly. However, there are uncertain factors in the development of wind power generation. Some wind power generation projects are distributed in mountainous areas. In mountainous areas, there is a problem of how to transfer the power generated by the wind turbine to the box-type transformer. , how to ensure the quality of the embedded cable pipes in the fan foundation, how to arrange the embedded cable pipes in the fan foundation, etc.

Method used

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  • Construction method for pre-burying cable pipe on fan foundation in mountain wind power engineering
  • Construction method for pre-burying cable pipe on fan foundation in mountain wind power engineering
  • Construction method for pre-burying cable pipe on fan foundation in mountain wind power engineering

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Embodiment Construction

[0039] Below in conjunction with accompanying drawing, the present invention is further explained and illustrated:

[0040] see Figure 1 ~ Figure 4 , a construction method for pre-embedded cable pipes for fan foundations in mountainous wind power projects. Eight CPVCs with a diameter of 125 mm and one CPVC cable pre-embedded pipes with a diameter of 50 mm are reserved in the fan foundation, and they are wrapped by concrete pouring. After the fan is hoisted in place, use cables to pass through the cable fiber from the side of the fan along the cable pre-buried pipe to the box-type transformer, so as to transmit the electric energy generated by the fan rotation to the box-type transformer, including the following specific steps:

[0041] A. Fan foundation excavation:

[0042] Before the excavation of the fan foundation, find the coordinates and elevation of the center point of the fan, use GPS to measure the center position of the fan foundation, and release the outer edge lin...

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Abstract

The invention discloses a construction method for pre-burying cable pipes in a fan foundation in mountain wind power engineering, which comprises the following steps: reserving eight CPVC (chlorinated polyvinyl chloride) cable pre-burying pipes with the diameter of 125mm and one CPVC cable pre-burying pipe with the diameter of 50mm in the fan foundation, after a fan is hoisted in place, connecting a cable optical fiber to a box-type transformer from one side of the fan along the cable pre-burying pipe by using a cable, and connecting the cable optical fiber to the box-type transformer by using a cable, therefore, electric energy generated by rotation of the fan is transmitted to the box-type transformer. The method comprises the steps of fan foundation excavation, pre-embedded cable pipe groove excavation, pre-embedded cable pipe installation, pre-embedded cable pipe opening plugging, concrete pouring, cable laying and the like, the two sides of the pre-embedded cable pipe are tightly plugged by adopting a two-layer connection mode of internal glue bonding and external adhesive tape sealing, so sundries such as concrete are prevented from entering the buried pipe. The cable pipes are fixed through the three-row five-column steel bar supports, the situation that the embedded cable pipes float upwards due to the fact that concrete flows into gaps and the lower portions of the embedded cable pipes is prevented, and the method is suitable for laying construction of the embedded cable pipes in fan foundations in mountain regions.

Description

Technical field: [0001] The invention relates to a construction method of a fan foundation, in particular to a construction method of pre-embedded cable pipes for a fan foundation in a mountainous wind power project. Background technique: [0002] With the steady development of my country's new energy industry, wind energy, as an important part of new energy, has many advantages such as renewable, non-polluting, and widely distributed in my country. Wind power generation has received strong support from the state. In recent years, the construction of wind power projects in my country has developed rapidly. However, there are uncertain factors in the development of wind power generation. Some wind power generation projects are distributed in mountainous areas. In mountainous areas, there is a problem of how to transfer the power generated by the wind turbine to the box-type transformer. , How to ensure the quality of the embedded cable pipes in the fan foundation, how to arran...

Claims

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Application Information

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IPC IPC(8): H02G1/08H02G3/38H02G9/06E02D27/42F03D13/20
CPCH02G1/08H02G3/38H02G9/06E02D27/425F03D13/22E02D2250/0023Y02E10/728Y02E10/72
Inventor 李赐李畅赵卫东陈奇王伟伟温雷赵国锋赵慧聪姬卫星谷福霞
Owner POWER CHINA HENAN ENG CO LTD