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Method of manufacturing mineral slurry delivery pipeline which is anti-erosion and anti-wear

A transportation pipeline and erosion-resistant technology, which is applied in the field of material manufacturing, can solve the problems of anti-wear and erosion performance of slurry transportation pipelines without special consideration, and achieve high reliability, long service life, and good erosion resistance.

Inactive Publication Date: 2013-04-10
BEIJING LONGSHINE OIL TUBULAR TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, steel pipes used in long-distance pipelines are still general fluid transportation pipes, and the standards and specifications implemented are GB / T 9711, API SPEC 5L, GB / T 3092, SY / T5037, SY / T5038, etc., taking into account the use of steel pipes. The strength requirements and weldability in the specification do not take into account the wear resistance and erosion resistance required by the special service conditions of the slurry pipeline.

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  • Method of manufacturing mineral slurry delivery pipeline which is anti-erosion and anti-wear
  • Method of manufacturing mineral slurry delivery pipeline which is anti-erosion and anti-wear
  • Method of manufacturing mineral slurry delivery pipeline which is anti-erosion and anti-wear

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Embodiment Construction

[0042] In order to make the technical problems, technical solutions and beneficial effects solved by the present invention clearer, the present invention will be further described in detail below in conjunction with the embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0043] A method for manufacturing an erosion-resistant and wear-resistant slurry pipeline, comprising the following aspects:

[0044] 1 steel pipe type selection

[0045] It is recommended to use seamless steel pipes and straight welded seam steel pipes (straight seam electric resistance welded steel pipes or straight seam submerged arc welded steel pipes) for steel pipes for slurry transportation pipelines; spiral seam submerged arc welded steel pipes are not recommended.

[0046] Description: 1 Seamless steel pipes are usually used in the construction of short-distance pipelines or small-diame...

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Abstract

The invention provides a method of manufacturing a mineral slurry delivery pipeline which is anti-erosion and anti-wear. Steel pipes are selected from the following aspects to manufacture the mineral slurry delivery pipeline: (1) selecting types of the steel pipes; (2) selecting chemical components of the steel pipes; (3) selecting tensile property of the steel pipes; (4) selecting the steel pipes according to Charpy impact absorbing energy; (5) selecting the steel pipes according to anti-erosion tests. The method not only takes intension requirements and welding ability of the steel pipes into account, but also particularly takes anti-wear performance and anti-erosion performance of the mineral slurry delivery pipeline according to requirements of special serving conditions in to account. The mineral slurry delivery pipeline which is anti-erosion and anti-wear manufactured through the method has well anti-wear performance and anti-erosion performance and is long in serving time and high in reliability.

Description

technical field [0001] The invention belongs to the technical field of material manufacture, and in particular relates to a method for manufacturing an erosion-resistant and wear-resistant slurry conveying pipeline. Background technique [0002] The use of pipelines for pulp (mineral powder) transportation is an energy-saving, environmentally friendly and efficient material transportation method. The medium transported by the slurry pipeline is a mixture of granular solid matter and liquid medium. During pipeline transportation, the granular solid matter in the medium is often easy to cause wear and erosion of the conveying steel pipe. At present, steel pipes used in long-distance pipelines are still general fluid transportation pipes, and the standards and specifications implemented are GB / T 9711, API SPEC 5L, GB / T 3092, SY / T5037, SY / T5038, etc., taking into account the use of steel pipes. The strength requirements and weldability in the specification do not take special ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16L9/02C22C38/58C22C38/50
Inventor 李记科杨红兵李云龙杨专钊
Owner BEIJING LONGSHINE OIL TUBULAR TECH
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