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Compound pipe assembly for conveying sea water and manufacturing method thereof

A technology of composite pipes and components, applied in the direction of pipes/pipe joints/fittings, applications, pipes, etc., can solve the problems of impact resistance, poor adhesion, damage, and easy peeling of the inner coating, so as to increase adhesion and prevent Effect of pipe clogging, ideal corrosion protection performance

Pending Publication Date: 2017-10-17
辽宁乾丰钢塑管制造有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a way to solve the problem that the inner coating is easy to fall off, damaged, impact resistance and adhesion are poor, etc. Problem of a composite pipe assembly for seawater transportation

Method used

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  • Compound pipe assembly for conveying sea water and manufacturing method thereof
  • Compound pipe assembly for conveying sea water and manufacturing method thereof
  • Compound pipe assembly for conveying sea water and manufacturing method thereof

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Embodiment Construction

[0019] attached Figures 1 to 3 , the three drawings show the appearance and specific structure of an embodiment of the composite pipe assembly for seawater transportation proposed by the present invention. The composite pipe comprises a base pipe 1, an annular steel mesh 11 surrounding the inner wall of the end of the base pipe, and flanges 2 arranged at both ends of the base pipe 1, and the flange 2 is connected to the base pipe 1. The inner surface of the connection end is provided with an annular groove 21, and the outer surface and the inner surface of the base pipe 1 are respectively provided with an outer anti-corrosion layer 3 and an inner anti-corrosion layer 4, wherein the annular steel mesh 11 is located in the base pipe 1 for anti-corrosion In the layer 4, the function of the annular steel mesh 11 is to integrate with the inner anti-corrosion layer 4, so that the inner anti-corrosion layer 4 is strengthened, and the adhesion between it and the inner wall of the bas...

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Abstract

The invention relates to a compound pipe assembly for conveying sea water. The compound pipe assembly for conveying the sea water comprises a base pipe, an annular steel net and flanges, wherein the annular steel net is tortuously arranged on the inner wall of the end portion of the base pipe, and the flanges are arranged at the two end portions of the base pipe; and annular grooves are formed in the inner surfaces of the joint ends of the flanges and the base pipe, anticorrosive coatings are arranged on the outer surface and the inner surface of the base pipe correspondingly, the annular steel net is located in the anticorrosive coating on the inner surface of the base pipe, and the anticorrosive coating on the inner surface of the base pipe extends toward the outer side of the pipe end into the annular grooves. The invention further provides a manufacturing method of the compound pipe assembly for conveying the sea water. The method comprises the steps of manufacturing of the compound base pipe, plastic coating treatment and the like. The compound pipe assembly has the technical effects that the inner coating is firm, and not prone to falling down and being damaged, the anticorrosion performance, the anti-impact performance, the anti-press performance and the stability are all good, the compound pipe assembly has very wide application range, and is suitable for fields of petroleum and natural gas conveying, pipes for mine and industry, drinking water pipes, water draining pipes and the like.

Description

technical field [0001] The invention relates to a composite pipe assembly for seawater transportation and a method for manufacturing the composite pipe assembly for seawater transportation. Background technique [0002] In the past, stainless steel was used in the pipelines used for seawater transportation, but the single-phase stainless steel of ordinary materials has poor corrosion resistance to chloride ions. Although the duplex stainless steel has improved the corrosion of chloride ions to a certain extent, the use of duplex stainless steel The cost of stainless steel is three times that of ordinary stainless steel, making it more costly to manufacture. There is also a plastic pipe made of a single material, which has a narrow range of use due to its limited water pressure resistance and poor rigidity. , neither stainless steel nor plastic pipes can meet the needs of seawater transportation. Therefore, the manufacture and use of composite pipes are increasing. Since the ...

Claims

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Application Information

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IPC IPC(8): F16L58/10F16L9/147B29C41/14B29C41/20B29L23/00
CPCF16L9/147F16L58/1054B29C41/14B29C41/20B29L2023/22
Inventor 陈阵
Owner 辽宁乾丰钢塑管制造有限公司
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