Anti-collision outer coating for pipeline
An outer cladding and pipeline technology, applied in the field of pipeline anti-collision outer cladding structure, can solve the problems of poor anti-collision performance of the outer cladding of the pipeline, difficult installation and construction of the outer cladding, etc., and achieves excellent impact energy absorption characteristics, Excellent anti-collision performance and the effect of preventing pipeline leakage
Active Publication Date: 2022-04-29
HOHAI UNIV
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Problems solved by technology
[0005] The purpose of the present invention is to overcome the deficiencies in the prior art and provide a pipeline anti-collision outer coating to solve the technical problems in the prior art that the anti-collision performance of the pipeline outer coating is not good and the installation and construction of the outer coating is difficult
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[0037] The present invention will be further described below in conjunction with the accompanying drawings. The following examples are only used to illustrate the technical solution of the present invention more clearly, but not to limit the protection scope of the present invention.
[0038] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", " The orientations or positional relationships indicated by "vertical", "horizontal", "top", "bottom", "inner" and "outer" are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and Simplified descriptions, rather than indicating or implying that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and thus should not be construed as limiting the invention. ...
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Abstract
The invention discloses a pipeline anti-collision outer coating, which belongs to the technical field of marine engineering. The pipe outer cladding includes a pipe outer cladding for covering the pipe and a flange outer cladding for covering the pipe connecting flange; The weight layer on the outer periphery of the pipe; the outer cladding layer of the flange includes a tubular mold ring arranged on the outer periphery of the flange, and the two ends of the tubular mold extend to the weight layer and are fixedly connected with the weight layer; Porous metal is filled between the tubular mold and the flange, and between the bellows and the pipeline. The invention enhances the anti-collision performance of pipelines and flanges by covering the porous metal filling layer, and solves the problems of fixing, sealing and waterproofing caused by covering the porous metal filling layer, and meanwhile, the construction process is simple, and the installation is simple and quick.
Description
technical field [0001] The invention relates to a pipeline anti-collision outer cladding structure, which belongs to the technical field of marine engineering. Background technique [0002] At present, pipelines are inevitably affected by single or multiple lateral impact disasters in the working environment, such as impact loads such as falling objects on offshore platforms, anchoring ships, or rolling rocks on the seabed. These impact loads may cause pipelines and The rupture or penetration of the flange connection section will cause serious ecological and economic accidents such as pipeline leakage, combustion or even explosion. [0003] In order to solve the above problems and prevent damage caused by impact loads, pipes and their flanges are usually coated with impact-resistant and energy-absorbing materials on the outer layer, or specially installed protective brackets or covered with concrete briquettes and other anti-impact structures to absorb and dissipate large P...
Claims
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IPC IPC(8): F16L9/14F16L58/02F16L57/00F16L59/02
CPCF16L9/14F16L58/02F16L57/00F16L59/028F16L59/029
Inventor 周游张淑华
Owner HOHAI UNIV