CN109780365A - A kind of heating method for flanging for no-dig technique pipeline rehabilitation - Google Patents
A kind of heating method for flanging for no-dig technique pipeline rehabilitation Download PDFInfo
- Publication number
- CN109780365A CN109780365A CN201910249370.1A CN201910249370A CN109780365A CN 109780365 A CN109780365 A CN 109780365A CN 201910249370 A CN201910249370 A CN 201910249370A CN 109780365 A CN109780365 A CN 109780365A
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- China
- Prior art keywords
- pipeline
- extended segment
- pipe
- softening
- repairing
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- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 45
- 238000010438 heat treatment Methods 0.000 title claims abstract description 19
- 238000007493 shaping process Methods 0.000 claims description 18
- 238000001816 cooling Methods 0.000 claims description 17
- 238000007789 sealing Methods 0.000 claims description 6
- 230000008439 repair process Effects 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000005553 drilling Methods 0.000 claims description 3
- 230000007613 environmental effect Effects 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 230000002035 prolonged effect Effects 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 4
- 238000009412 basement excavation Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Landscapes
- Pipe Accessories (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of heating method for flanging for no-dig technique pipeline rehabilitation method includes the following steps: pipe-repairing is penetrated in original pipeline, until the both ends of pipe-repairing have part to extend outside original pipeline, extended segment is formed；Tube support device will be repaired to be put into the pipe-repairing from the pipeline opening of the extended segment, until the outer wall of pipe-repairing is bonded with the inner wall of original pipeline；The extended segment is heated to softening；The pipeline opening of extended segment after softening is clamped and is pulled outwardly, is bonded pipeline outer wall is turned to outside the pipeline opening of the extended segment with the flange of original pipeline；Flange is covered and is bonded in the reparation tube support device up to the extended segment after softening, and is fixed the extended segment after Flange, softening, original pipe flange three by clamp device.This method does not need to excavate original pipeline, have the advantages that project amount is small, use manpower and material resources sparingly, surrounding enviroment are influenced it is small.
Description
Technical field
The present invention relates to pipe rehabilitation technology field, in particular to a kind of heating flange side for no-dig technique pipeline rehabilitation
Method.
Background technique
Pipeline be damaged, burn into incrustation the problems such as when, need to replace pipeline and repaired.Currently, buried pipe
It mainly includes that excavation type reparation and non-excavation type repair two kinds that road, which is repaired, and there are project amounts for excavation type reparation greatly, labor intensive object
The problems such as power.In contrast, non-excavation type reparation has that project amount is small, use manpower and material resources sparingly, it is small etc. excellent to influence on surrounding enviroment
Point.And in the reparation of thermoplastic shaping non-excavation type, how pipe-repairing realizes that installation and connection are a urgent problem needed to be solved.
Summary of the invention
In view of the deficiencies of the prior art, it is an object of that present invention to provide a kind of heating flange for no-dig technique pipeline rehabilitation
Method.It is adopted the following technical scheme that
A kind of heating method for flanging for no-dig technique pipeline rehabilitation, for being repaired to original pipeline, this method packet
Include following steps:
Pipe-repairing is penetrated in original pipeline, until the both ends of pipe-repairing have part to extend outside original pipeline, shape
At extended segment；
Tube support device will be repaired to be put into the pipe-repairing from the pipeline opening of the extended segment, until pipe-repairing is outer
Wall is bonded with the inner wall of original pipeline；
The extended segment is heated to softening；
The pipeline opening of extended segment after softening is clamped and is pulled outwardly, will be turned to outside pipeline outside the pipeline opening of the extended segment
Wall is bonded with the flange of original pipeline；
Flange is covered and is bonded in the reparation tube support device up to the extended segment after softening, and passes through fastening dress
It sets and fixes the extended segment after Flange, softening, original pipe flange three；
After extended segment cooling and shaping after softening, the clamp device and Flange are removed；
Cavetto and drilling are carried out to the extended segment after cooling and shaping, the extended segment after making cooling and shaping becomes and pipe-repairing
The flange of one.
As a further improvement of the present invention, after the extended segment cooling and shaping after softening, before further include: with cold water pair
Extended segment after the softening carries out cooling and shaping.
As a further improvement of the present invention, the extended segment is heated to softening, is specifically included:
With sealing tarpaulin by the extended segment environmental sealing, it is filled with steam wherein or extended segment is electrically heated, makes
The extended segment softening.
As a further improvement of the present invention, described to penetrate pipe-repairing in original pipeline, it specifically includes: will with rope
One end of pipe-repairing is fixed, and by traction device drag rope, pipe-repairing is penetrated from one end of original pipeline original
In pipeline.
As a further improvement of the present invention, the pipeline opening by the extended segment after softening is clamped and is pulled outwardly, specifically
It include: that the pipeline opening of the extended segment after softening is clamped and is pulled outwardly from surrounding with multiple locking pliers.
As a further improvement of the present invention, the reparation tube support device is inner support tube.
As a further improvement of the present invention, the clamp device is active grab.
As a further improvement of the present invention, the pipe-repairing is PVC compo pipe.
Beneficial effects of the present invention:
Heating method for flanging for no-dig technique pipeline rehabilitation of the invention repairs original pipeline by pipe-repairing
It is multiple, and the flange with pipe-repairing one is formed at the both ends of pipe-repairing, it is installed and is connected convenient for other pipelines.Simultaneously
It does not need to excavate original pipeline, have the advantages that project amount is small, use manpower and material resources sparingly, surrounding enviroment are influenced it is small.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention,
And it can be implemented in accordance with the contents of the specification, and in order to allow above and other objects, features and advantages of the invention can
It is clearer and more comprehensible, it is special below to lift preferred embodiment, and cooperate attached drawing, detailed description are as follows.
Detailed description of the invention
Fig. 1 is the flow chart in the embodiment of the present invention for the heating method for flanging of no-dig technique pipeline rehabilitation；
Fig. 2 is the construction schematic diagram in the embodiment of the present invention for the heating method for flanging of no-dig technique pipeline rehabilitation.
Description of symbols: 10, original pipeline；20, pipe-repairing；21, extended segment；30, inner support tube；40, original tube method
It is blue；50, Flange；60, active grab.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings and specific examples, so that those skilled in the art can be with
It more fully understands the present invention and can be practiced, but illustrated embodiment is not as a limitation of the invention.
It as shown in Figs. 1-2, is the heating method for flanging for no-dig technique pipeline rehabilitation in the embodiment of the present invention, this method
The following steps are included:
S110, pipe-repairing 20 is penetrated in original pipeline 10, until the both ends of pipe-repairing 20 have part to extend original
Have outside pipeline, forms extended segment 21；
Wherein, described to penetrate pipe-repairing 20 in original pipeline 10, it specifically includes: with rope by the one of pipe-repairing 20
End is fixed, and by traction device drag rope, pipe-repairing 20 is penetrated in original pipeline 10 from one end of original pipeline 10.
Wherein, pipe-repairing 20 is PVC compo pipe.
S120, reparation tube support device is put into pipe-repairing 20 from the pipeline opening of extended segment 21, until pipe-repairing 20
Outer wall be bonded with the inner wall of original pipeline 10；
In the present embodiment, repairing tube support device is inner support tube 30.
S130, extended segment 21 is heated to softening；
It specifically includes: with sealing tarpaulin by 21 environmental sealing of extended segment, being filled with steam wherein or extended segment 21 is carried out
Electric heating softens extended segment 21.
S140, the pipeline opening of the extended segment 21 after softening is clamped and is pulled outwardly, will turned to outside the pipeline opening of extended segment 21
Pipeline outer wall is bonded with the flange of original pipeline 10；
Wherein, the pipeline opening by the extended segment 21 after softening is clamped and is pulled outwardly, and is specifically included: with multiple locking pliers
It clamps and is pulled outwardly from surrounding by the pipeline opening of the extended segment 21 after softening.
S150,50 sets of Flange are bonded in reparation tube support device up to the extended segment 21 after softening, and passed through
Clamp device fixes the extended segment 21 after Flange 50, softening, 40 three of original pipe flange；
Wherein, the clamp device is active grab 60.
After S160,21 cooling and shaping of extended segment after softening, the clamp device and Flange 50 are removed；
Preferably, after 21 cooling and shaping of extended segment after softening, before further include: with cold water to the extended segment after softening
21 carry out cooling and shaping.
S170, cavetto and drilling, the extended segment 21 after making cooling and shaping are carried out to the extended segment 21 after cooling and shaping become
With the flange of 20 one of pipe-repairing.
After 21 cooling and shaping of extended segment after softening, before further include: the extended segment 21 after softening is carried out with cold water
Cooling and shaping.
Heating method for flanging for no-dig technique pipeline rehabilitation of the invention repairs original pipeline by pipe-repairing
It is multiple, and the flange with pipe-repairing one is formed at the both ends of pipe-repairing, it is installed and is connected convenient for other pipelines.Simultaneously
It does not need to excavate original pipeline, have the advantages that project amount is small, use manpower and material resources sparingly, surrounding enviroment are influenced it is small.
Above embodiments are only to absolutely prove preferred embodiment that is of the invention and being lifted, and protection scope of the present invention is not
It is limited to this.Those skilled in the art's made equivalent substitute or transformation on the basis of the present invention, in guarantor of the invention
Within the scope of shield.Protection scope of the present invention is subject to claims.
Claims (8)
1. a kind of heating method for flanging for no-dig technique pipeline rehabilitation, for being repaired to original pipeline, which is characterized in that
Method includes the following steps:
Pipe-repairing is penetrated in original pipeline, until the both ends of pipe-repairing have part to extend outside original pipeline, formation is prolonged
Stretch section；
Tube support device will be repaired to be put into the pipe-repairing from the pipeline opening of the extended segment, until the outer wall of pipe-repairing with
The inner wall of original pipeline is bonded；
The extended segment is heated to softening；
The pipeline opening of extended segment after softening is clamped and is pulled outwardly, will turn to outside the pipeline opening of the extended segment pipeline outer wall with
The flange of original pipeline is bonded；
Flange is covered and is bonded in the reparation tube support device up to the extended segment after softening, and will by clamp device
Extended segment, original pipe flange three after Flange, softening are fixed；
After extended segment cooling and shaping after softening, the clamp device and Flange are removed；
Cavetto and drilling are carried out to the extended segment after cooling and shaping, the extended segment after making cooling and shaping becomes and pipe-repairing one
Flange.
2. being used for the heating method for flanging of no-dig technique pipeline rehabilitation as described in claim 1, which is characterized in that after softening
After the cooling and shaping of extended segment, before further include: cooling and shaping is carried out to the extended segment after the softening with cold water.
3. being used for the heating method for flanging of no-dig technique pipeline rehabilitation as described in claim 1, which is characterized in that by the extension
Section is heated to softening, and specifically includes:
With sealing tarpaulin by the extended segment environmental sealing, it is filled with steam wherein or extended segment is electrically heated, makes described
Extended segment softening.
4. being used for the heating method for flanging of no-dig technique pipeline rehabilitation as described in claim 1, which is characterized in that described to repair
Pipeline penetrates in original pipeline, specifically includes: fixing one end of pipe-repairing with rope, and passes through traction device traction rope
Rope penetrates pipe-repairing in original pipeline from one end of original pipeline.
5. being used for the heating method for flanging of no-dig technique pipeline rehabilitation as described in claim 1, which is characterized in that described to soften
The pipeline opening of extended segment afterwards is clamped and is pulled outwardly, and is specifically included: with multiple locking pliers from surrounding by the extended segment after softening
Pipeline opening is clamped and is pulled outwardly.
6. being used for the heating method for flanging of no-dig technique pipeline rehabilitation as described in claim 1, which is characterized in that the reparation pipe
Support device is inner support tube.
7. being used for the heating method for flanging of no-dig technique pipeline rehabilitation as described in claim 1, which is characterized in that the fastening dress
It is set to active grab.
8. being used for the heating method for flanging of no-dig technique pipeline rehabilitation as described in claim 1, which is characterized in that the reparation pipe
Road is PVC compo pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910249370.1A CN109780365A (en) | 2019-03-29 | 2019-03-29 | A kind of heating method for flanging for no-dig technique pipeline rehabilitation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910249370.1A CN109780365A (en) | 2019-03-29 | 2019-03-29 | A kind of heating method for flanging for no-dig technique pipeline rehabilitation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109780365A true CN109780365A (en) | 2019-05-21 |
Family
ID=66490829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910249370.1A Pending CN109780365A (en) | 2019-03-29 | 2019-03-29 | A kind of heating method for flanging for no-dig technique pipeline rehabilitation |
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|---|---|
| CN (1) | CN109780365A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114834072A (en) * | 2022-04-06 | 2022-08-02 | 何赞新 | Thermoplastic liner pipe integrated assembling equipment for pipeline repair |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114834072A (en) * | 2022-04-06 | 2022-08-02 | 何赞新 | Thermoplastic liner pipe integrated assembling equipment for pipeline repair |
| CN114834072B (en) * | 2022-04-06 | 2023-08-18 | 江西国排建设工程有限公司 | Thermoplastic liner tube integrated assembly equipment for pipeline repair |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190521 |
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| RJ01 | Rejection of invention patent application after publication |