Installation method of suction anchor

An installation method and suction anchor technology, which can be used in anchor arrangement, transportation and packaging, ship construction, etc., can solve the problems of soil disturbance, heavy mooring chain weight, and influence on the installation accuracy of suction anchor, so as to reduce the impact and ensure the installation accuracy Effect

Pending Publication Date: 2022-05-13
交通运输部广州打捞局
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Problems solved by technology

The mooring chain is heavy, and it will tilt the suction anchor when it is connected to the side of the suction anchor, which will affect the installation accuracy of the suction anchor
Moreover, after the mooring chain enters the mud, it will disturb the soil at the bottom of the suction anchor, and the sediment is prone to seepage during the sinking process of the suction anchor, which is not conducive to the penetration and anchorage of the suction anchor

Method used

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Embodiment Construction

[0027] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention. In addition, it should be noted that, for the convenience of description, only the parts related to the present invention are shown in the drawings but not all of them.

[0028] In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary, and it can be the internal communication of two components. Those of ordin...

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Abstract

The invention relates to the technical field of wind power, in particular to a mounting method of a suction anchor, which comprises the following steps: S1, connecting one end of a mooring chain to a suction anchor body, connecting the other end of the mooring chain with first hoisting equipment, and connecting the suction anchor body with second hoisting equipment through a hoisting cable; s2, the mooring chain is hoisted by the first hoisting equipment, so that the top surface of the suction anchor body is in a horizontal state; s3, the second lifting equipment lowers the suction anchor body at a constant speed, and the first lifting equipment drives the mooring chain to lower at the same speed; and S4, the suction anchor body sinks to the seabed and gradually penetrates into the seabed, and the first lifting equipment keeps constant lifting force on the mooring chain till the suction anchor body sinks in place. The influence of the mooring chain on the installation of the suction anchor can be reduced, the installation precision of the suction anchor is ensured, and the suction anchor can smoothly sink through.

Description

technical field [0001] The invention relates to the technical field of wind power, in particular to a method for installing a suction anchor. Background technique [0002] With the development of wind power to deep water, floating wind turbines have begun to be applied. The foundation of the floating wind turbine is mainly fixed on the sea surface by suction anchors and mooring cables. The mooring chain is connected to the suction anchor. Since the mooring chain is connected to the position near the bottom of the suction anchor, the mooring chain cannot be installed after the suction anchor enters the mud. Therefore, it is necessary to connect the mooring chain to the suction anchor in advance and sink it together. . The mooring chain is heavy, and it will tilt the suction anchor when it is connected to one side of the suction anchor, which will affect the installation accuracy of the suction anchor. Moreover, after the mooring chain enters the mud, it will disturb the so...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B63B21/50
CPCB63B21/50B63B2021/505
Inventor 孙召才张文耀吴海金陈昆明胡敏冯金杰王文军马进吴德剑
Owner 交通运输部广州打捞局
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