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Corrosion-resistant non-metallic lined pipe section, pipeline and manufacturing method thereof

A manufacturing method and technology of corrosion-resistant alloys, which are used in pipeline protection, pipeline anti-corrosion/rust protection, pipes/pipe joints/pipe fittings, etc., can solve problems such as complicated connections and hidden dangers in connection technology, and achieve the solution of leakage risks and elimination. Safety hazard, high corrosion resistance effect

Inactive Publication Date: 2018-11-23
西安格林管道科技工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to solve the safety hazards and complex connection problems of the existing connection technology, and provide a corrosion-resistant non-metallic lining pipe section, pipe and its manufacturing method with simple structure, good sealing performance and corrosion resistance

Method used

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  • Corrosion-resistant non-metallic lined pipe section, pipeline and manufacturing method thereof
  • Corrosion-resistant non-metallic lined pipe section, pipeline and manufacturing method thereof
  • Corrosion-resistant non-metallic lined pipe section, pipeline and manufacturing method thereof

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Embodiment Construction

[0033] see figure 1 with figure 2 , a corrosion-resistant non-metallic lined pipe section, comprising an ordinary metal outer pipe 1, a non-metallic lining 2 arranged in the metal outer pipe 1, a corrosion-resistant alloy material transition pipe 4 welded at both ends of the metal outer pipe 1; the transition pipe The inner wall of 4 is provided with a plurality of annular grooves matching the compression ring 3, and the end of the non-metallic lining 2 is sealed and fixed in the middle of the inner wall of the transition pipe 4 through the anchoring effect of the compression ring and the plurality of annular grooves 3. The annular groove is preferably of rectangular cross-section. The corrosion-resistant alloy material is preferably stainless steel.

[0034] The manufacturing method of the corrosion-resistant non-metal lined pipe section comprises the following steps:

[0035] 1) A section of transition pipe 4 made of corrosion-resistant alloy material is respectively wel...

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Abstract

The invention belongs to the technical field of pipe installation, and in particular, relates to a corrosion-resistance nonmetal lining pipe section, a pipe and a manufacturing method thereof. The corrosion-resistance nonmetal lining pipe section comprises metal outer pipes and nonmetal linings arranged in the metal outer pipes, and is characterized by further comprising corrosion-resistance alloy material transition pipes welded at two end parts of the metal outer pipes; and the end parts of the nonmetal linings are tightly fixed on the inner walls of the transition pipes. Multiple annular grooves matched with pressing rings are formed in the inner walls of the transition pipes; and the end parts of the nonmetal linings are tightly fixed on the inner walls of the transition pipes through an anchoring effect of the pressing rings and the annular grooves. The corresponding transition pipes on the adjacent metal outer pipes are directly in butt welding; or the end parts of the adjacent transition pipes are welded with corrosion-resistance alloy material connecting pipes; and the corrosion-resistance alloy material connecting pipes are used for welding. The corrosion-resistance nonmetal lining pipe section effectively solves the problems of potential safety hazards and complex connection in a traditional connecting technology, is simple in structure and excellent in tightness, and resists corrosion.

Description

technical field [0001] The invention belongs to the technical field of pipeline installation, and in particular relates to a corrosion-resistant non-metallic lining pipe section, a pipeline and a manufacturing method thereof. Background technique [0002] During the use of metal pipelines, the failure of metal pipelines is likely to be caused by medium corrosion. The use of non-metallic lining materials can solve the corrosion problem very well. The non-metallic lining cannot be directly butt-welded. In this case, pipe joints are required for connection. [0003] The existing pipeline connection technology is to connect different pipe sections together through flange bolts. The connection is complicated and there is a risk of medium leakage, which poses a safety hazard. [0004] In order to avoid the above-mentioned technical safety problems, it is necessary to provide a welded pipeline and a connection method. Contents of the invention [0005] The purpose of the presen...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16L58/04F16L58/08
CPCF16L58/04F16L58/08
Inventor 黄永乐王刚何国庆
Owner 西安格林管道科技工程有限公司
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