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Anti-corrosion tube and its manufacturing process

A technology of anti-corrosion pipe and manufacturing process, which is applied in the direction of pipes, rigid pipes, tubular objects, etc., which can solve the problems of high cost and poor anti-corrosion effect of anti-corrosion pipes, and achieve good anti-corrosion effect, cost reduction, and low price.

Inactive Publication Date: 2006-07-12
大庆油田庆新工程材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the disadvantages of high cost and poor anticorrosion effect of anticorrosion pipes in the prior art, and provide an anticorrosion pipe and its manufacturing process. The anticorrosion pipe and its manufacturing process are low in price, good in anticorrosion effect, and easy to construct

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Example 1. Masticate 10 parts of natural rubber and 80 parts of regenerated rubber, then add 1.0 parts of accelerator TMTD, 0.5 parts of sulfur and 65 parts of asphalt, and then fully mix and knead to form an anti-corrosion tape.

Embodiment 2

[0026] Example 2: Masticate 10 parts of natural rubber and 80 parts of regenerated rubber, then add 1.2 parts of accelerator TMTD, 2.5 parts of sulfur and 80 parts of asphalt, and then fully mix and knead to form an anti-corrosion tape.

Embodiment 3

[0027] Example 3: Masticate 10 parts of natural rubber and 80 parts of regenerated rubber, then add 1.5 parts of accelerator TMTD, 4.0 parts of sulfur and 50 parts of asphalt, mix thoroughly and then knead to form an anti-corrosion tape.

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PUM

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Abstract

The invention relates to an anticorrosive pipe and relative producing method. It is purposed to solve the problems of present technique with high cost, and worse anticorrosive effect. The invention is characterized in that the producing method comprises following steps: (1) making the pipe line needed anti-corrosion reach Sa2.5 level via shot-blast de-rusting or sandblast de-rusting and removing surface dust; (2) plating adhesive agent on the pipe line to be dried naturally; (3) coiling anticorrosive belt and draw belt on the pipe line; (4) processing steam sulfuration in 130-140Deg.C for 15-25 minutes to prepare said anticorrosive pipe. The invention has lower producing cost, better anticorrosive effect and simple process.

Description

Technical field: [0001] The invention relates to an anti-corrosion pipe used for oil (gas) transportation in the oilfield field and a manufacturing process thereof. Background technique: [0002] At present, in the field of pipeline anti-corrosion, especially in the field of oil and gas gathering and transportation pipelines on the surface of oil fields, the anti-corrosion pipelines used are still mainly traditional petroleum asphalt pipes, modified asphalt anti-corrosion pipes and epoxy coal tar anti-corrosion pipes. Later, glass steel pipes appeared , polyethylene tape anti-corrosion pipe, etc., these products have exposed some problems in practical applications, such as high energy consumption, environmental pollution, and cannot meet the needs of the complex geographical environment of the oil field, especially in recent years. cost issue. Invention content: [0003] The purpose of the present invention is to solve the problems of high cost and poor anticorrosion effe...

Claims

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Application Information

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IPC IPC(8): B29C63/06B29C63/48B29C35/04C09J175/04F16L9/00B29K23/00B29K7/00B29K21/00B29L23/00
Inventor 张效杰贾劲松杨眉赵银雪
Owner 大庆油田庆新工程材料有限公司
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