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Support-free long-distance compensation method and system for ground-burying type pipe

A compensation method and buried technology, applied in the field of compensation methods and corresponding pipeline systems, can solve the problems of short safety life and large investment, and achieve the effect of simplifying the installation process, simple installation process and wide application range.

Active Publication Date: 2008-08-13
宋章根
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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 invent a new buried pipeline without support, without internal pressure thrust, Long distance compensation method and system thereof

Method used

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  • Support-free long-distance compensation method and system for ground-burying type pipe
  • Support-free long-distance compensation method and system for ground-burying type pipe

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Embodiment Construction

[0038] The following structural drawings and embodiments further illustrate the present invention.

[0039] As shown in Figure 1 and 2.

[0040] The unsupported and long-distance compensation method for buried pipelines of the present invention is to firstly place the pipelines to be auxiliary directly on the untreated soft ground below the ground; secondly, at the set compensation position (two adjacent The distance between the compensation positions can be up to 500 meters) or at the turn to install two or more rotary compensators to compensate for the change in the length of the pipeline due to thermal expansion and contraction. The rotary compensators are installed in In the hollow buried concrete structure or steel structure installation foundation, the hollow buried concrete structure or steel structure installation foundation is either a hollow structure without any filler added, or filled with compressible materials or soft soil The solid structure of the buried concr...

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Abstract

This invention is a new non-support, long distance compensating method of underground pipe and its system. First, the pipes to be laid are arranged on the underground foundation. Then, two or more than two rotating compensators are assembled at the set compensating positions to compensate the pipe length change owing to expansion with heat and contraction with cold. The system includes conveying pipeline, which is buried underground and is composed of several main pipelines and branch pipelines; compensating device which is arranged between main pipelines, between main pipelines and branch pipelines or between branch pipelines. The compensating device is composed of rotating compensator and connecting pipe. This invention makes construction easy and convenient. The pipeline is safe.

Description

technical field [0001] The present invention relates to a compensation method for underground pipelines and a corresponding pipeline system, in particular to a compensation method for thermal expansion and contraction of a thermal (hot water or steam) transmission pipeline or a chemical transportation pipeline and a pipeline system, in particular to an underground pipeline compensation method. Unsupported, long-distance compensation method and system for buried pipelines. Background technique [0002] At present, the buried heat transmission pipeline is a common transmission pipeline. In order to overcome the damage caused by thermal expansion and contraction of thermal transmission pipelines, a length compensator must be installed at certain distances during installation. Commonly used compensators have two structures: casing type and bellows type. Due to the limited compensation amount of the compensation devices of these two structures, on the one hand, the compensation...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16L1/036F16L51/00
Inventor 宋章根
Owner 宋章根
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