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Method and device for suspending and supporting underwater pipelines

A technology of supporting device and supporting method, which is applied in the directions of pipeline supports, pipes/pipe joints/pipes, mechanical equipment, etc., can solve the problems of high cost and long construction period, and achieve short construction period and strong variability of span height. , the effect of saving construction costs

Active Publication Date: 2018-09-11
广东国利先进复合材料研发有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the construction period of this method and structure is relatively shorter than that of the aforementioned second method, its cost is high, and the construction period still needs a relatively long time.

Method used

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  • Method and device for suspending and supporting underwater pipelines
  • Method and device for suspending and supporting underwater pipelines

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Embodiment Construction

[0023] The patent of the present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0024] like figure 1 As shown in the figure, a method for supporting the suspension span of an underwater pipeline includes the following steps:

[0025] (1) First, an empty bag body 1 is prefabricated. The wall of the bag body is provided with a curable pre-infiltrating material. The pre-infiltrating material can be pre-infiltrated resin, or a mixture of glass fiber and resin. At this time, the entire bag body is Uncured pouch walls;

[0026] (2) Place the bag body at the position that needs to be supported under the suspension span of the underwater pipeline;

[0027] (3) Fill the bag with fresh water or seawater through the one-way valve, and ensure the airtightness of the filled bag. After filling, the empty bag is in a supporting shape under the suspension span of the underwater pipeline. The material solidifies to form a stable su...

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Abstract

The invention discloses an underwater pipeline suspended span supporting method which is characterized by comprising the following steps that (1) firstly, an empty bag body is prefabricated, specifically, a pre-seepage material capable of being solidified is arranged in the bag body wall, and at this time, the bag body is a flexible bag wall which is not solidified; (2) the bag body is placed in a position needing to be supported below an underwater pipeline suspended span; and (3) the bag body is filled with liquid, after the empty bag body is filled, the bag body forms a supporting shape below the underwater pipeline suspended span, and after the pre-seepage material in the bag body wall is solidified, a stable supporting shape and structure are formed. The invention further discloses an underwater pipeline suspended span supporting device adopting the method. The underwater pipeline suspended span supporting method and device have the advantages of being low in cost, convenient and easy to construct and short in construction period.

Description

technical field [0001] The invention relates to the technical field of underwater pipeline fixed support, in particular to the technical field of underwater pipeline suspension-span support, such as the submarine pipeline suspension-span support technology. Background technique [0002] The needs of communication and oil transportation often require the laying of communication and oil transportation pipelines on the bottom of the water, especially the seabed. Due to various factors such as the uneven surface of the water bottom, it is also necessary to set up support devices at the suspension spans of the pipelines. Larger economic losses and social impacts are caused. The existing underwater pipeline suspension support, such as the submarine pipeline suspension support technology, generally adopts the following methods: 1. Stacking sandbags under the suspension span of the pipeline, although this method is relatively simple, but It cannot form an effective long-term support...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16L3/02
CPCF16L3/02
Inventor 王渤
Owner 广东国利先进复合材料研发有限公司
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