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Anti-scouring offshore wind power single pile foundation device

A single-pile foundation, offshore wind power technology, applied in protection devices, infrastructure engineering, buildings, etc., can solve problems such as easy formation of scour pits

Pending Publication Date: 2021-09-10
HUANENG CLEAN ENERGY RES INST +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The object of the present invention is to provide an offshore wind power monopile foundation device that prevents erosion, which solves the defect that scour pits are easily formed at the bottom of the existing offshore wind power foundation

Method used

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  • Anti-scouring offshore wind power single pile foundation device
  • Anti-scouring offshore wind power single pile foundation device
  • Anti-scouring offshore wind power single pile foundation device

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Embodiment Construction

[0020] Attached below figure 1 , attached figure 2 , attached image 3 The present invention will be further described in detail with specific embodiments.

[0021] Such as figure 1 As shown, the scour problem of offshore wind power monopile foundation. Under the action of sea waves and tides, the main cause of pile foundation erosion is the submerged vortex, horseshoe-shaped vortex and wake vortex structures around the pile foundation. The vortex structure digs around the wind power foundation and takes away the sediment and other other substances. This process is a complex coupling process involving the mutual coupling of water flow, sediment and structure. When the wave rushes towards the monopile foundation, it presents a downward scrolling vortex structure, and the vortex structure rolls up the sediment on the seabed and further takes it away from the surrounding area of ​​the pile foundation. Of course, considering the two-way action of the flow of waves and tides...

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Abstract

The invention provides an anti-scouring offshore wind power single-pile foundation device. The anti-scouring offshore wind power single-pile foundation device comprises an offshore wind power single-pile foundation body, wherein a spiral flow guiding device is mounted on the offshore wind power single-pile foundation body. According to the anti-scouring offshore wind power single-pile foundation device, formation and transmission of a diving vortex structure, a horseshoe-shaped vortex structure and a wake vortex structure can be limited, and particularly the digging effect of the diving vortex on a seabed surface is prevented, so that the problem of a scouring pit of an offshore wind power single pile foundation can be effectively solved.

Description

technical field [0001] The invention relates to the field of offshore wind power, in particular to an offshore wind power monopile foundation device for preventing erosion. Background technique [0002] As a clean and harmless renewable energy, wind energy has been paid more and more attention by human beings. Among them, compared with land wind energy, offshore wind energy resources not only have higher wind speeds, but also are farther away from the coastline, and are not affected by noise limits, allowing larger unit manufacturing. The foundation cost of offshore wind turbines accounts for about 20% to 25% of the entire offshore wind power investment. The single pile foundation is widely used in near-shallow sea areas where the water depth is less than 30m due to its simple manufacture and convenient construction. [0003] The offshore wind power monopile foundation is a long cantilever structure device. The bottom of the foundation goes deep into the shallow overburden ...

Claims

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Application Information

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IPC IPC(8): E02D27/12E02D27/52E02D27/42E02D31/00
CPCE02D27/12E02D27/52E02D27/425E02D31/00
Inventor 穆延非刘鑫闫姝邱旭张育钧兰连军
Owner HUANENG CLEAN ENERGY RES INST
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