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Negative pressure bucket applicable to ocean wind power and capable of downwards penetrating to position below sea bottom surface, and installation method

A negative pressure cylinder and wind power technology, applied in construction, artificial island, infrastructure engineering, etc., can solve problems such as inability to apply to deep sea areas, improve ultimate uplift bearing capacity and anti-overturning capacity, improve impact range, avoid local impact effect

Inactive Publication Date: 2016-09-07
OCEAN UNIV OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this kind of negative pressure cylinder or the traditional single-cylinder and multi-cylinder offshore wind power foundations are not suitable for deep-sea areas. Therefore, a floating foundation will become the development direction of deep-sea marine wind power foundations in the future.

Method used

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  • Negative pressure bucket applicable to ocean wind power and capable of downwards penetrating to position below sea bottom surface, and installation method
  • Negative pressure bucket applicable to ocean wind power and capable of downwards penetrating to position below sea bottom surface, and installation method
  • Negative pressure bucket applicable to ocean wind power and capable of downwards penetrating to position below sea bottom surface, and installation method

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Embodiment Construction

[0034] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0035] The structures, proportions, sizes, etc. shown in the drawings attached to this specification are only used to match the content disclosed in the specification for the understanding and reading of those who are familiar with this technology, and are not used to limit the conditions for the implementation of the present invention , so it has no technical substantive meaning, and any modification of structure, change of proportional relationship or adjustment of size shall still fall within the scope of the disclosure of the present invention without affecting the functions and objectives of the present invention. The technical content must be within the scope covered. At the same time, terms such as "upper", "lower", "left", "right", "middle" and "one" quoted in this specification are only for the convenience of description and are not used to lim...

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Abstract

The invention discloses a negative pressure bucket applicable to ocean wind power and capable of downwards penetrating to the position below the sea bottom surface. The negative pressure bucket comprises a bucket body with a downward opening; a stand barrel is disposed in the center of the upper end face of the bucket body; a drainage hole and a plurality of uniformly distributed water inlet holes which communicate with the inside of the bucket body are formed in the positions, on one side of the stand barrel, of the upper end face of the bucket body; and a self-rotating spray nozzle is connected with the lower end of each water inlet hole inside the bucket body. The invention further discloses an installation method for the negative pressure bucket at the same time. The downwards penetrating depth of the negative pressure bucket is freely controlled within a certain range through alternate starting and stopping of an injection pump and a water suction pump. Meanwhile, when the end of the negative pressure bucket downwards penetrates to the position below the sea bottom surface, a sea bottom soil body gradually buries the end due to washing of sea bottom underflow action, so that the end is effectively utilized, and the ultimate up-lift bearing capacity and overturning resistance of the negative pressure bucket are greatly improved. According to the negative pressure bucket, the counter acting force of high-pressure water is fully utilized so as to achieve self-rotation of the spray nozzles, the range of impact of the high-pressure water on the sea bottom surface soil body is greatly widened, and local impact is effectively avoided.

Description

technical field [0001] The invention relates to a negative pressure cylinder suitable for penetrating ocean wind power down to below the seabed and an installation method thereof. Background technique [0002] As a new type of mooring and foundation form, the barrel foundation has great application value in marine engineering. At present, it is mainly used in the mooring system of marine structures, platform foundations, self-buried negative pressure anchors, and the resistance of induced cushion platforms. Sliding piles, breakwaters and offshore wind power foundations. Among them, the application of the cylindrical foundation on the offshore wind power foundation is a new application form, and its core part is a negative pressure cylinder that uses negative pressure to penetrate into the soil. Similar to the suction anchor principle, the negative pressure cylinder is also an inverted cylindrical structure, which uses the negative pressure sinking principle to make the cyli...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D27/44E02D27/52
CPCE02B2017/0078E02D27/44E02D27/52
Inventor 陈旭光马庆松许建鹏姜育科张明生
Owner OCEAN UNIV OF CHINA
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