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A pipeline pressure plugging repair and multi-layer long-term anti-corrosion device and its construction method

A technology for plugging leakage under pressure and long-term anti-corrosion. It can be used in anti-corrosion coatings, coatings, pipe components, etc. It can solve problems such as lack of protective repair measures for pipelines, achieve long-term external protection functions, ensure normal operation, and protect against corrosion damage. Effect

Active Publication Date: 2022-05-10
青岛海弗莱安全科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it is only suitable if the structure is sound and no perforations have occurred in the metal surface
However, there is a lack of protective repair measures for pipelines that have been perforated by corrosion

Method used

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  • A pipeline pressure plugging repair and multi-layer long-term anti-corrosion device and its construction method
  • A pipeline pressure plugging repair and multi-layer long-term anti-corrosion device and its construction method

Examples

Experimental program
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Effect test

Embodiment 1

[0036] refer to figure 1 and figure 2 As shown, a pipeline pressure plugging repair and multi-layer long-term anti-corrosion device provided by Embodiment 1 of the present invention includes a plugging block 1, a reinforcement layer 2, an anti-corrosion paste layer 3, a flame-retardant and anti-corrosion layer distributed sequentially from the inside to the outside. Corrosion belt layer 4, oily barrier layer 5, anti-corrosion protective cover 6 and anti-sticking and weather-resistant surface coating 7, wherein the plugging block 1 penetrates into the interior of the pipeline through the corrosion perforation damage point 8 on the pipeline 9, and the plugging block 1 includes The inner part of the pipe, the pipe wall part and the outer part of the pipe, the outer part of the pipe is larger than the inner part of the pipe, and the inner part of the pipe is larger than the pipe wall part. Fitted and fixed on the outer wall of the pipeline, the plugging block 1 is embedded in th...

Embodiment 2

[0085] Based on the same inventive concept, Embodiment 2 of the present invention provides a construction method for preparing the pipeline pressure leak plugging repair and multi-layer long-term anticorrosion device provided in Embodiment 1 above. The construction method includes:

[0086] (1) Clean the surface of the metal pipe structure in the construction area to remove oil, salt, and water, and polish it to a St2 standard or above until the surface of the metal pipe structure is free of steel thorns, attachments, oxide scales and obvious bubbling.

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Abstract

The invention discloses a pipeline pressure plugging repair and multi-layer long-term anti-corrosion device and its construction method, belonging to the technical field of surface engineering, which adopts "plugging and reinforcement layer + anti-corrosion paste + flame-retardant and anti-corrosion tape + oily The six-layer protective system of barrier layer + anti-corrosion protective cover + stain-resistant and weather-resistant top coat" can be closely combined with the substrate due to its excellent followability, and the protective film formed by anti-corrosion paste and flame-retardant anti-corrosion tape can be The complex oxide on the surface of the base material prevents secondary corrosion, and at the same time isolates the erosion of the base material by the corrosive medium. The external oily material barrier layer and the non-metallic protective cover form a sealed protection for the anti-corrosion components, ensuring that the anti-corrosion components are not lost, and the anti-corrosion components are blocked. The stain-resistant top coating of the flame-type non-metallic protective cover has outstanding stain resistance and weather resistance, and provides long-term external protection for the protective cover.

Description

technical field [0001] The invention relates to the technical field of surface engineering, in particular to a pipeline pressure plugging repair and multi-layer long-acting anti-corrosion device and a construction method thereof. Background technique [0002] Urban pipelines are an important part of municipal supporting facilities, which are related to the daily life of thousands of households. During the service process of the urban pipeline network, the buried part of the pipeline mainly faces relatively serious soil corrosion, and the ground part mainly suffers from the corrosion hazards of the atmospheric environment. For the buried and ground main pipelines, most operation and management companies have adopted effective corrosion measures. Protective measures. However, people often ignore the complex corrosion problems faced by the pipeline at the transition point from below the ground to above the ground. This part of the pipeline is usually called the part of the gro...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16L55/175F16L55/162C08L63/00C08L83/12C08K13/04C08K7/06C08K7/26C08K3/04C08K3/34C08J5/24C09D167/06C09D5/08C09D133/04C09D183/04C09D5/16C09D7/61
CPCF16L55/175F16L55/162C08J5/24C09D167/06C09D5/08C09D133/04C09D5/1668C09D5/1687C08J2363/00C08J2483/12C08K13/04C08K7/06C08K7/26C08K3/04C08K3/34C08K2003/3045C08K2003/2241C08L83/04C08L79/02C08K13/02C08K3/22C08K3/30
Inventor 魏民其他发明人请求不公开姓名
Owner 青岛海弗莱安全科技有限公司
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