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Hole opening and blocking method of gas pipeline with pressure

A technology of gas pipeline and pressure opening technology, which is applied in the direction of pipes, branch pipelines, pipes/pipe joints/pipe fittings, etc., which can solve the problems of wasting time, wasting gas, consuming time and gas resources, and reducing costs and saving The effect of energy and ease of operation

Inactive Publication Date: 2012-12-12
DONGGUAN XINAO GAS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It's a waste of gas and a waste of time
For the transformation, maintenance, and emergency repair of pipelines for residential users, the traditional method is to first perform pressure relief and venting operations on the corresponding pipelines, which consumes time and gas resources.

Method used

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  • Hole opening and blocking method of gas pipeline with pressure
  • Hole opening and blocking method of gas pipeline with pressure
  • Hole opening and blocking method of gas pipeline with pressure

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Embodiment Construction

[0019] In order to facilitate the understanding of those skilled in the art, the present invention will be further described below with reference to the accompanying drawings.

[0020] The present invention discloses a method for plugging gas pipelines with pressure openings. The pressure gas pipelines under normal operating conditions are opened, so that newly-built pipelines and old pipelines can be successfully connected with each other, and leaking pipelines can be effectively sealed Blocking. The method includes the following steps:

[0021] As attached figure 1 , 2 , 3, and 4, in step (1), make two half-circle fasteners 21 with an inner diameter larger than the outer diameter of the gas pipeline to form a clamp (2). The two semi-circular fasteners 21 are paired to clamp the gas pipeline Inside, one of the semicircular fasteners is provided with a through hole, and the pipe joint 3 is installed in the through hole. The two semi-circular fasteners are combined to form a clamp...

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PUM

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Abstract

The invention discloses a hole opening and blocking method of a gas pipeline with pressure. Two semicircular fasteners are manufactured to clamp a target gas pipeline, the gas pipeline and the two semicircular fasteners are welded and sealed, and hole opening and blocking operations are carried out on the gas pipeline with pressure in normal operation by using a tool such as a blocking bracket, a normal spanner and the like. The hole opening and blocking method has the advantages of convenience in operation, high security, simpleness in construction, tight blocking, stability and reliability.

Description

Technical field [0001] The invention relates to a method for opening and plugging a gas pipeline, in particular to a method for opening and plugging a gas pipeline under normal operating conditions with pressure. Background technique [0002] In today's cities, most residential users use gas pipelines. The current gas pipelines are basically iron pipes or polyethylene PE pipes. In the actual use process, it is often necessary to seal the gas pipeline under pressure, or open the hole under pressure, especially when the new pipeline is connected with the old pipeline that is in operation, the traditional method is to close the valves at both ends and release Empty the gas in the pipeline before proceeding to subsequent processes. This wastes gas and wastes time. For the renovation, overhaul, and emergency repair of pipelines for residential users, the traditional methods require the corresponding pipelines to be depressurized and vented first, which consumes time and gas resourc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16L41/16
Inventor 高欣叶胜强付艳涛
Owner DONGGUAN XINAO GAS
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