Offshore wind turbine single-pile foundation with internal sacrificial anode structure

Abstract

The invention relates to an offshore wind turbine single-pile foundation with an internal sacrificial anode structure. The offshore wind turbine single-pile foundation with the internal sacrificial anode structure is simple in structure and convenient to construct and can achieve a corrosion preventing protection function on the inner wall of a steel pipe pile. According to the technical scheme, the offshore wind turbine single-pile foundation with the internal sacrificial anode structure is provided with the steel pipe pile, and is characterized in that an internal platform connected with the steel pipe pile is arranged in the steel pipe pile, and the lower portion of the lower end face of the internal platform is connected with a plurality of sacrificial anode strings. The sacrificial anode strings comprise steel wire ropes with the upper ends connected to the internal platform and a plurality of sacrificial anodes connected to the steel wire ropes in series. The offshore wind turbine single-pile foundation is suitable for offshore wind power generation work.

Description

technical field [0001] The invention relates to an offshore wind turbine monopile foundation with an internal sacrificial anode structure. Suitable for offshore wind power industry. Background technique [0002] With the maturity of wind power generation technology, the way of increasing energy supply by relying on wind power generation is gradually favored by countries all over the world. The vast ocean has long attracted people's attention because of its abundant and stable wind energy resources. my country has a long coastline, and the sea area is rich in wind energy resources. At present, Hebei, Shandong, Jiangsu, Zhejiang, Shanghai, Guangdong, Fujian and other coastal provinces have formulated offshore wind power development plans, and Jiangsu Province has more offshore wind power. The field project started construction and put into operation for power generation. [0003] As the most widely used foundation type in the field of offshore wind power engineering, monopil...

AI Technical Summary

Problems solved by technology

Cables are usually protected by using J-shaped pipes outside the pile body, but for sea areas with a water depth of 10-20 meters, the J-shaped steel pipes need to be very long to protect the submarine cables, and the height of the integrated auxiliary components is also significantly increased, making it difficult to make on-site Large size, many manual solder joints, long processing cycle; and high sea conditions for sea transportation, it is difficult to lift on site; the overall engineering volume is large, and the economy is poor

In order to save the engineering quantity of J-shaped pipes for protecting the cables outside the pile and save construction time, it has become a trend to arrange the submarine cable structure inside the single pile foundation pile of offshore wind turbines. This structure has the advantages of simple structure, fast construction, and high cost performance. However, the disadvantage is that the inner wall of the steel pipe pile is more prone to corrosion due to the cable hole in the pile body and the circulation of sea water inside the pile body.

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