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Front and back blasting treatment process for clean inner wall of long pipeline

A treatment process and anti-blasting technology, which is applied in the direction of cleaning hollow objects, cleaning methods and utensils, pipe components, etc., can solve the problems of prolonged cleaning time of pipelines, debris left in the pipeline, poor cleaning effect, etc., and is easy to master , The time of purging is shortened, and the effect of reasonable design

Active Publication Date: 2016-02-10
TIANJIN PIPELINE ENG GROUP
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Problems solved by technology

[0002] At present, the cleaning of the inner wall of the pipeline is usually carried out in one direction to clean the impurities on the inner wall of the pipeline. This method is suitable for the treatment of the inner wall of the shorter pipeline. In the construction of long pipelines, the cleaning effect of the traditional one-way cleaning method is not good, and a small amount of cleaning will occur. The impurities that come down remain in the pipeline, and at the same time, the debris after the wear of the pig is also left in the pipeline, which will waste a lot of time in the pipeline purging stage, resulting in prolonged cleaning time of the pipeline

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  • Front and back blasting treatment process for clean inner wall of long pipeline
  • Front and back blasting treatment process for clean inner wall of long pipeline

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Embodiment Construction

[0020] The embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings; it should be noted that the embodiments are illustrative, not restrictive, and cannot limit the protection scope of the present invention.

[0021] A front and back blasting treatment process for cleaning the inner wall of a long pipeline, comprising the following steps:

[0022] ⑴. First, clean the pipeline by positive blasting: the ball collection device at the end of the pipeline 7 uses a baffle 12 that has a certain bearing capacity and can be damaged when it reaches a certain pressure. Design options for devices, piping, etc. The launch end of the pipeline inlet is connected to the air compressor, and the air compressor 1 is used to start injecting air from the launch end of the pipeline entrance until the fixed kraft paper block at the end of the pipeline cannot bear the pressure and is damaged and burst. At the moment of burst, the vibration o...

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Abstract

The invention relates to a reverse and forward long pipeline inner wall cleaning detonating processing technology. The technology comprises the following steps that firstly, forward detonating cleaning is carried out on a pipeline; secondly, reverse detonating cleaning is carried out on the pipeline; thirdly, the first step and the second step are carried out repeatedly until the cleanness requirement is met. The reverse and forward long pipeline inner wall cleaning detonating processing technology is reasonable in design, easy and convenient to operate and especially suitable for processing the inner wall of a high-purity gas pipeline, the sweeping time is shortened, cleaning efficiency is improved, the impurity attached to the inner wall of the pipeline and not removed by a pipe cleaner can be vibrated off and blown out of the pipeline along with the airflow, and the progress of cleaning the inner wall of the pipeline is accelerated.

Description

technical field [0001] The invention relates to the technical field of pipeline inner wall treatment, in particular to a process suitable for high-purity gas pipeline inner wall treatment. Background technique [0002] At present, the cleaning of the inner wall of the pipeline is usually carried out in one direction to clean the impurities on the inner wall of the pipeline. This method is suitable for the treatment of the inner wall of the shorter pipeline. In the construction of long pipelines, the cleaning effect of the traditional one-way cleaning method is not good, and a small amount of cleaning will occur. The impurities that come down are left in the pipeline, and at the same time, the debris after the wear of the pig is also left in the pipeline, which will waste a lot of time in the pipeline purging stage, resulting in prolonged cleaning time of the pipeline. Contents of the invention [0003] The object of the present invention is to provide a front and back blas...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B08B9/027B08B9/053F16L55/46
CPCB08B7/0007B08B9/027B08B9/057
Inventor 孟繁强陈宝强张雪丽孙涛戴广峻潘中奇
Owner TIANJIN PIPELINE ENG GROUP
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