Subsea pipeline floating ball type flexible washing protection device
A technology for submarine pipelines and protective devices, which is used in pipeline protection, pipeline damage/wear prevention, pipeline laying and maintenance, etc., can solve problems such as high cost and poor reliability, and achieve low overall cost, easy construction and maintenance, and low cost. Effect
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[0023] specific implementation
[0024] The present invention will be further described below in conjunction with the accompanying drawings.
[0025] The technical principle of the present invention is: use a series of floating balls arranged along the pipeline to form a porous medium barrier to the water flow, reduce the flow velocity of the near-bottom water flow, and push the high-speed water flow upward to reduce the sediment start near the pipeline, It forms an effect similar to that of an onshore windproof pseudo-dust net; in addition, the water flowing through the floating ball will form a vortex around the floating ball, which will cause the vortex-induced vibration or swing of the floating ball, which can effectively dissipate the energy of the water flow and achieve the purpose of reducing local erosion of the pipeline.
[0026] The device of the present invention is composed of three or more floating ball protection units, and each floating ball protection unit is m...
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