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Offshore wind power floating foundation suitable for small water plane with water depth below 100m

A technology of small water surface and offshore wind power, applied in the direction of floating buildings, etc., can solve the problems of increased construction and installation costs of floating foundation structures, increased construction difficulty, etc., and achieves strong stability and strong ability to resist wind and waves. The effect of reducing stability and seakeeping performance and reducing the area of ​​waterplane surface

Inactive Publication Date: 2013-04-03
TIANJIN UNIV
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  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, in order to meet the stability needs of floating foundations during wind turbine power generation, offshore wind power floating foundations are installed in water depths above 150 meters or even deeper, which will greatly increase the construction and installation costs of floating foundation structures. Increased difficulty

Method used

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  • Offshore wind power floating foundation suitable for small water plane with water depth below 100m

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Embodiment Construction

[0018] In order to further understand the invention content, characteristics and effects of the present invention, the following examples are given, and detailed descriptions are as follows in conjunction with the accompanying drawings:

[0019] see figure 1 , an offshore wind power floating foundation suitable for small water planes below 100 meters in water depth, comprising an upper buoyancy chamber 1, an active ballast tank 2 connected below the buoyancy chamber 1, and a cement ballast tank 3 at the lower part And the mooring system, the cross section of the active ballast tank 2 is larger than that of the buoyancy tank 1, and the buoyancy tank and the cement ballast tank 4 are connected by a truss structure 5 .

[0020] Both the buoyancy chamber 1 and the active ballast chamber 2 are cylinders, and the active ballast chamber 2 is provided with several active ballast chambers, and the active ballast chamber is provided with a ballast active adjustment system.

[0021] The...

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Abstract

The invention discloses an offshore wind power floating foundation suitable for a small water plane with water depth below 100m. The offshore wind power floating foundation comprises an upper flotation tank, an active ballast tank connected to the lower side of the flotation tank, and an lower cement ballast tank and an anchoring system which are positioned at the lower part, wherein the cross section of the active ballast tank is larger than that of the flotation tank, and the active ballast tank and the cement ballast tank are connected through a truss structure. The offshore wind power floating foundation is smaller in water plane, strong in stability and capable of resisting stormy waves, lower in engineering cost and installing cost, better in economy and simple and convenient to construct, solves the technical problems that the stability and the seakeeping performance are reduced, and the like caused by smaller water depth, can be installed in a water area under 100m and is used as a floating foundation of a draught fan with high power about 5MW.

Description

technical field [0001] The invention belongs to the technical field of offshore new energy, and relates to a novel offshore wind power floating foundation structure. Background technique [0002] Wind power is the fastest growing green energy technology in the world. While the construction of land wind farms is developing rapidly, people have noticed some restrictions on the utilization of land wind energy, such as large area, noise pollution, etc., while offshore wind energy has high wind speed, continuous and stable wind resources, and large power generation. Advantages, so with the development of offshore wind power, the ocean will become a rapidly developing wind power market. [0003] In the field of offshore wind power, water depth is divided into three areas: shallow sea area (water depth less than 20 meters), transitional sea area (20 meters to 50 meters), and deep sea area (greater than 50 meters). Traditional fixed foundations (such as single-pile platforms, mult...

Claims

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Application Information

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IPC IPC(8): B63B35/44
Inventor 唐友刚李嘉文张若瑜王涵
Owner TIANJIN UNIV
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