A skeleton layer for marine composite hose and its special e-shaped cross-section profile

Abstract

The invention discloses a framework layer for a marine composite hose and a special E-shaped cross section profiled bar thereof. The cross section of the profiled bar is in an E shape; the cross section of the E shape comprises an arm A, an arm B and an arm C, wherein the arm B and the arm C are both L-shaped arms, the L-shaped arms comprise transverse arms and vertical arms, the arms parallel tothe arm A are denoted as the vertical arms, and the arms perpendicular to the arm A are denoted as the transverse arms; the transverse arms in the arm B and arm C both face the arm A; space between the arm A and the arm B is equal to the width of the transverse arm of the arm B; and space between the arm B and the arm C is greater than the width sum of the transverse arms of the arm A and arm C. The framework layer for the marine composite hose and the special E-shaped cross section profiled bar thereof have the advantages that the cross section of the profiled bar is in the E shape, interlocking can be carried out, thereby effectively preventing the formed framework layer and an adjacent interface from sliding out of each other, the composite hose has good flexibility, and therefore, theframework layer can be used for the marine composite hose; when the composite hose bends, because gaps exist between interlocking cross sections, the adjacent cross sections of the profiled bar conduct relative motion in certain space while keeping certain flexibility.

Description

technical field [0001] The invention relates to a skeleton layer and its special shaped material, in particular to a skeleton layer and its special E-shaped section shaped material for marine composite hoses. Background technique [0002] The global marine oil and gas resources are abundant, and the amount of offshore oil and gas resources accounts for about 72% of the world. As land resources tend to be exhausted, marine exploitation has gradually become the mainstream. In recent years, the flexible composite hoses that have emerged abroad have begun to be applied to subsea oil, gas and water delivery. Flexible composite pipe includes bonded composite hose and non-bonded composite hose. Among them, the adhesive composite hose is generally used in short-distance jumper pipes. It is usually extruded into one by the polymer layer and the metal reinforcement layer. The layers of the pipe body are tightly integrated without relative slippage; non-adhesive Knotted composite ho...

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a framework layer for marine composite hoses and its special E-shaped cross-section profile. The profiles of the invention can be interlocked to effectively prevent the framework layer from sliding out of the adjacent interface, and at the same time enable the The composite hose has good flexibility, which solves the problem that the pipeline may be deformed or failed due to bending moment and tensile stress in the ocean

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