CN108679358A - A kind of gas pipeline no-dig technique liner repairing construction technique - Google Patents
A kind of gas pipeline no-dig technique liner repairing construction technique Download PDFInfo
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- CN108679358A CN108679358A CN201810711920.2A CN201810711920A CN108679358A CN 108679358 A CN108679358 A CN 108679358A CN 201810711920 A CN201810711920 A CN 201810711920A CN 108679358 A CN108679358 A CN 108679358A
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- Prior art keywords
- pipe
- pipeline
- internal lining
- liner
- repaired
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/16—Devices for covering leaks in pipes or hoses, e.g. hose-menders
- F16L55/162—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe
- F16L55/163—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe a ring, a band or a sleeve being pressed against the inner surface of the pipe
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Pipe Accessories (AREA)
Abstract
The invention discloses a kind of gas pipeline no-dig technique liner repairing construction techniques, it is excavated in pipe ends to be repaired, expose pipe ends, pipeline is detected and is cleared up, by poling after internal lining pipe folding U, internal lining pipe is strutted by inflation, the installation internal diameter reparation connector identical with liner bore in internal lining pipe end, the both ends for repairing connector are welded and fixed with pipeline to be repaired and transition conduit respectively, it completes to repair, quick construction, service life are long, and construction area is small, construction environment requires low and effect on environment less.
Description
Technical field
The present invention relates to pipe rehabilitation technology fields, and in particular to a kind of gas pipeline no-dig technique liner repairing construction work
Skill.
Background technology
Urban duct is one of the important infrastructure for supporting social development and ensureing people's lives, pipe-line maintenance maintenance
It is the necessary means for ensureing its normal mechanism and function.Under normal conditions, the repair of pipeline mainly by trenchless rehabilitation and
Two kinds of repair modes of non-excavation rehabilitation carry out pipeline rehabilitation.
Trenchless rehabilitation directly excavates pipeline, then treats pipe-repairing and is replaced or repaired, the excavation of pipeline is repaiied
Multiple existing environmental problem and economic impact are bigger, and the reliable caused safe thing such as destruction for be easy to causeing remaining pipes
Therefore.However, non-excavation rehabilitation gradually has attracted much attention the repair mode of the low influence of infrastructure, low-maintenance.
Currently, mainly using inverted liner (CIPP, Cured inPlace in the trenchless repairing method of existing pipeline
Pipe, also referred to as in-situ solidifying) method repaired, liner inversion system will be mainly by will have impermeable corrosion-resistant guarantor
The enhanced hose of composite fibre of cuticula makes after carrier impregnation epoxy or unsaturated-resin of water or gas as carrier
Hose is tightly attached in old pipe by power, the inner wall layer of globality is formed in old pipe after hose cures, to reach to buried pipe
The purpose of road reparation.
But liner inversion system is mainly used in structural reparation (the structural reparation of pipeline during pipeline rehabilitation
As new internal lining pipe, which has, not to be depended on original pipeline configuration and independently bears external hydrostatic pressure, soil pressure and dynamic loading
Restorative procedure), and the liner inversion system needs thicker resinous coat to increase Repair strength in pipeline configuration reparation；So
And when resinous coat is thicker, there is overturning, difficulty of transportation for the reparation structure of application liner inversion system, and constructing
The reparation structure is susceptible to the problems such as bubble, weakness and protuberance in journey, while needing to ensure that pipeline must drain, Wu Fashi
Existing submersible so that the smaller scope of application of the liner inversion system.
Invention content
The technical problem to be solved in the present invention is to provide a kind of quick construction, service life are long, construction area is small, construction ring
Border requires a kind of low and less effect on environment gas pipeline no-dig technique liner repairing construction technique.
In order to solve the above technical problem, the present invention provides a kind of gas pipeline no-dig technique liner repairing construction technique,
Include the following steps：
1, it is excavated in pipe ends to be repaired, exposes the both ends of the pipeline to be repaired, by the pipeline to be repaired from original
It is detached in beginning pipeline, and the pipeline to be repaired is detected and is cleared up；
2, excavation mouth that the internal lining pipe produced is transported to the pipeline to be repaired, the excavation at the internal lining pipe both ends
Mouth installation traction hinge；
3, the internal lining pipe is converted into U-shaped and keeps its holding U-shaped by bandage, and installed and draw in the liner tube end
Head；
4, the U-shaped internal lining pipe will be converted into across the pipe to be repaired by pulling the drawing head by the traction hinge
It simultaneously cuts in road；
5, the internal lining pipe is strutted by inflation；
6, the reparation connector seamlessly transitted in liner tube end installation internal diameter；
7, the both ends for repairing connector are welded and fixed with the pipeline to be repaired and transition conduit respectively, the transition
Pipeline is welded and fixed with the primitive pipeline.
Preferably, the internal lining pipe includes internal layer, reinforcement fibrous layers and outer layer, the internal layer material is PU, described
Outer layer material is PE, and reinforcement fibrous layers are the cylinder of seamless knitted, and different fibers can be selected according to different pressure requirements
Material, doubling twisting, different number of share of stocks can realize different pressure requirements, outer layer PE material wear-resistants damage, internal layer PU material gas
Close property is good, is suitable for delivery of fuel gas.
Preferably, the reparation connector includes connecting tube and push pipe, the connecting tube is close to the pipe-repairing
One end is welded and fixed with the pipe-repairing, and the push pipe is solid close to one end of the transition conduit and transition conduit welding
Fixed, the internal lining pipe is close to be fixed between the madial wall of the connecting tube and the lateral wall of push pipe, and internal lining pipe is sealed by extrusion
Between connecting tube and push pipe, ensure the firm of internal lining pipe connection.
Preferably, the push pipe close to one end of the transition conduit and the connecting tube close to the pipe-repairing
One end be equipped with connection annulus, the connection annulus is identical as the primitive pipeline radius respectively, i.e., with the transition conduit
It is identical with pipe-repairing radius, it is welded and fixed convenient for it, the tube body diameter of the push pipe is identical as the liner bore, described
The radius of connection annulus to the pipe shaft of push pipe seamlessly transits so that transmission of the combustion gas in reparation connector is smooth without hindrance.
The tube body diameter of the push pipe is identical as the internal diameter of the internal lining pipe, ensures that internal lining pipe is each when combustion gas enters internal lining pipe
The pressure that part is subject to is identical, improves the service life of pipeline.
Preferably, being additionally provided with expansion tube between the connecting tube and the push pipe, the side wall of the expansion tube is equipped with
The expansion joint (E.J.) array of perforative expansion joint (E.J.) composition, the two sides of the expansion tube be close to be fixed on respectively the madial wall of the connecting tube and
Between the lateral wall of push pipe, the internal lining pipe is close to be fixed between the expansion tube and connecting tube, and expansion tube makes push pipe, liner
Leakproofness is good between pipe and connecting tube, and during push pipe enters connection inside pipe wall, plays certain guiding and prevent
Sliding effect prevents because the entrance of push pipe makes internal lining pipe that unsuitable deformation occur.
Preferably, the side that the expansion tube, connecting tube are close to the internal lining pipe is equipped with anti-skidding rough surface, two
Non slip surface matches, and is that outside is doubly sealed in internal lining pipe, sealing effect is good.
Preferably, the pipe shaft length of the expansion tube is not more than the pipe shaft length of the push pipe, the pipe of the push pipe
Body length is not more than the pipe shaft length of the connecting tube, and expansion tube pipe shaft is made to be entirely limited between push pipe and connecting tube, ensures
The tightness degree of internal lining pipe connection.
Preferably, the expansion tube is equipped with fixed ring at the ring edge of described coupling tube one end, it is described solid
Determine ring to be close to be fixed between the push pipe and connecting tube, expansion tube is prevented to be detached from during push pipe is squeezed into connecting tube
Push pipe and the opposite range of connecting tube.
A kind of gas pipeline no-dig technique liner repairing construction technique of the present invention, advantageous effect compared with prior art are
Quick construction, service life are long, and construction area is small, construction environment requires low and effect on environment less.
Description of the drawings
Fig. 1 is pipeline section figure after the completion of the embodiment of the present invention is repaired；
Fig. 2 is internal lining pipe structural schematic diagram of the embodiment of the present invention.
Specific implementation mode
The invention will be further described in the following with reference to the drawings and specific embodiments, 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.
A kind of gas pipeline no-dig technique liner repairing construction technique, includes the following steps：
1, excavated at 1 both ends of pipeline to be repaired, expose the both ends of the pipeline 1 to be repaired, by the pipeline 1 to be repaired from
It is detached in primitive pipeline 2, and the pipeline 1 to be repaired is detected and is cleared up；
2, the internal lining pipe 4 produced is transported to the excavation mouth of the pipeline to be repaired 1, internal lining pipe 4 produces saving in advance
Pipeline rehabilitation time, the excavation mouth installation traction hinge at 4 both ends of the internal lining pipe, convenient for traction internal lining pipe 4；
3, the internal lining pipe 4 is converted into U-shaped and keeps its holding U-shaped by bandage, so that the sectional area of internal lining pipe 4 is less than to be repaired
The sectional area of multiple pipeline 1 convenient for internal lining pipe 4 is passed through pipeline 1 to be repaired, and installs drawing head, just in 4 end of the internal lining pipe
In with traction hinge connection, draw internal lining pipe 4；
4, the U-shaped internal lining pipe 4 will be converted into across described to be repaired by pulling the drawing head by the traction hinge
Pipeline 1 is simultaneously cut, and extra internal lining pipe 4 is removed, internal lining pipe 4 is easily installed；
5, the internal lining pipe 4 is strutted by inflation, U-shaped internal lining pipe 4 is strutted, 4 outer surface of internal lining pipe and pipe to be repaired are made
1 inner surface of road is bonded as possible, ensures the quality after repairing.
6, the reparation connector 5 that installation internal diameter seamlessly transits in 4 end of the internal lining pipe, keeps combustion gas smooth and is connect by repairing
In first 5 range；
7, the both ends for repairing connector 5 are welded and fixed with the pipeline 1 to be repaired and transition conduit 3 respectively, it is described
Transition conduit 3 and primitive pipeline 2 are welded and fixed, and are easily installed, and ensure the sealing of pipeline, are suitable for conveying gas, complete to repair.
As shown in Fig. 2, the internal lining pipe 4 includes internal layer 41, reinforcement fibrous layers 42 and outer layer 43,41 material of the internal layer is
PU, 43 material of the outer layer are PE, and reinforcement fibrous layers 42 are the cylinder of seamless knitted, can be selected according to different pressure requirements
Different fibrous materials, doubling twisting, different number of share of stocks can realize that different pressure requirements, outer layer 43PE material wear-resistants damage,
Internal layer 41PU materials air-tightness is good, is suitable for delivery of fuel gas.
As depicted in figs. 1 and 2, the reparation connector 5 includes connecting tube 51 and push pipe 52, and the connecting tube 51 is close to described
One end of pipeline 1 to be repaired is welded and fixed with the pipeline 1 to be repaired, and the push pipe 52 is close to one end of the transition conduit 3
It is welded and fixed, is welded for convenience of with the pipeline 1 to be repaired and transition conduit 3,51 He of the connecting tube with the transition conduit 3
The welding ends of push pipe 52 is equipped with connection annulus 54, and the connection annulus 54 is identical as the diameter of primitive pipeline 2, i.e., the described connection
Annulus 54 is identical as transition conduit 3 and 1 internal diameter of pipeline to be repaired, is welded and fixed convenient for it, the transition conduit 2 with it is described original
Pipeline 2 is welded and fixed, and the internal lining pipe 4 is close to be fixed between the madial wall of the connecting tube 51 and the lateral wall of push pipe 52,
The internal diameter of the push pipe 52 is identical as the internal diameter of the internal lining pipe 4, and the radius of connection annulus 54 to the pipe shaft of the push pipe 52 is flat
It slips over and crosses so that transmission of the combustion gas in reparation connector 5 is smooth without hindrance, improves the service life of pipeline.
For progress one step ensure internal lining pipe 4 be compacted reality between connecting tube 51 and push pipe 52, the connecting tube 51 with
Expansion tube 53 is additionally provided between the push pipe 52, the side wall of the expansion tube 53 is equipped with the expansion joint (E.J.) 531 that perforative expansion joint (E.J.) 531 forms
Array, the two sides of the expansion tube 53 be close to be fixed on respectively the madial wall of the connecting tube 51 and push pipe 52 lateral wall it
Between, the internal lining pipe 4 is close to be fixed between the expansion tube 53 and connecting tube 51, and the expansion tube 53 is close to the coupling tube
Fixed ring 532 is equipped at the ring edge of one end, when being inserted into the push pipe 52 in the expansion tube 53, push pipe 52 will be described
531 array of expansion joint (E.J.) struts, and the fixed ring 532 is close to be fixed between the push pipe 52 and connecting tube 51, prevents expansion tube 53
Push pipe 52 and the opposite range of connecting tube 51 are detached from during push pipe 52 is squeezed into connecting tube 51, expansion tube 53 makes top
Leakproofness is good between pipe 52, internal lining pipe 4 and connecting tube 51, and during push pipe 52 enters 51 inner wall of connecting tube, rises
To certain guiding and anti-skidding effect, prevent because the entrance of push pipe 52 makes internal lining pipe 4 that unsuitable deformation occur.
The side that the expansion tube 53, connecting tube 51 are close to the internal lining pipe 4 is equipped with anti-skidding rough surface, two non slip surfaces
It matches, is that outside is doubly sealed in internal lining pipe 4, sealing effect is good.
The pipe shaft length of the expansion tube 53 is not more than the pipe shaft length of the push pipe 52, and the pipe shaft of the push pipe 52 is long
Degree makes 53 pipe shaft of expansion tube be entirely limited between push pipe 52 and connecting tube 51 no more than the pipe shaft length of the connecting tube 51,
Ensure the tightness degree that internal lining pipe 4 connects.
Embodiment described above is only to absolutely prove preferred embodiment that is of the invention and being lifted, protection model of the invention
It encloses without being limited thereto.Those skilled in the art on the basis of the present invention made by equivalent substitute or transformation, in the present invention
Protection domain within.Protection scope of the present invention is subject to claims.
Claims (8)
1. a kind of gas pipeline no-dig technique liner repairing construction technique, which is characterized in that include the following steps,
1, it is excavated in pipe ends to be repaired, exposes the both ends of the pipeline to be repaired, by the pipeline to be repaired from original pipe
It is detached in road, and the pipeline to be repaired is detected and is cleared up；
2, excavation mouth that the internal lining pipe produced is transported to the pipeline to be repaired, the excavation mouth at the internal lining pipe both ends are pacified
Dress traction hinge；
3, the internal lining pipe is converted into U-shaped and keeps its holding U-shaped by bandage, and drawing head is installed in the liner tube end；
4, by the traction hinge pull the drawing head will be converted into the U-shaped internal lining pipe across the pipeline to be repaired simultaneously
Cutting；
5, the internal lining pipe is strutted by inflation；
6, the reparation connector seamlessly transitted in liner tube end installation internal diameter；
7, the both ends for repairing connector are welded and fixed with the pipeline to be repaired and transition conduit respectively, the transition conduit
It is welded and fixed with the primitive pipeline.
2. a kind of gas pipeline no-dig technique liner repairing construction technique as described in claim 1, which is characterized in that the liner
Pipe includes internal layer, reinforcement fibrous layers and outer layer, and the internal layer material is PU, and the outer layer material is PE.
3. a kind of gas pipeline no-dig technique liner repairing construction technique as described in claim 1, which is characterized in that the reparation
Connector includes connecting tube and push pipe, and the connecting tube is welded and fixed close to one end of the pipe-repairing and the pipe-repairing,
The push pipe is welded and fixed close to one end of the transition conduit and the transition conduit, and the internal lining pipe is close to be fixed on described
Between the madial wall of connecting tube and the lateral wall of push pipe.
4. a kind of gas pipeline no-dig technique liner repairing construction technique as claimed in claim 3, which is characterized in that the push pipe
Close to one end of the transition conduit and the connecting tube connection annulus, the company are equipped with close to one end of the pipe-repairing
It is identical as the primitive pipeline radius to connect annulus, the tube body diameter of the push pipe is identical as the liner bore, the push pipe
The radius of connection annulus to pipe shaft seamlessly transit.
5. a kind of gas pipeline no-dig technique liner repairing construction technique as claimed in claim 3, which is characterized in that the connection
Expansion tube is additionally provided between pipe and the push pipe, the side wall of the expansion tube is equipped with the expansion joint (E.J.) array of perforative expansion joint (E.J.) composition, institute
The two sides for stating expansion tube are close to be fixed between the madial wall of the connecting tube and the lateral wall of push pipe respectively, the internal lining pipe
It is close to be fixed between the expansion tube and connecting tube.
6. a kind of gas pipeline no-dig technique liner repairing construction technique as claimed in claim 5, which is characterized in that the expansion
The side that pipe, connecting tube are close to the internal lining pipe is equipped with anti-skidding rough surface.
7. a kind of gas pipeline no-dig technique liner repairing construction technique as claimed in claim 4, which is characterized in that the expansion
The pipe shaft length of pipe is not more than the pipe shaft length of the push pipe, and the pipe shaft length of the push pipe is not more than the pipe shaft of the connecting tube
Length.
8. a kind of gas pipeline no-dig technique liner repairing construction technique as claimed in claim 4, which is characterized in that the expansion
Pipe is equipped with fixed ring at the ring edge of described coupling tube one end, and the fixed ring is close to be fixed on the push pipe and connection
Between pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810711920.2A CN108679358A (en) | 2018-06-29 | 2018-06-29 | A kind of gas pipeline no-dig technique liner repairing construction technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810711920.2A CN108679358A (en) | 2018-06-29 | 2018-06-29 | A kind of gas pipeline no-dig technique liner repairing construction technique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108679358A true CN108679358A (en) | 2018-10-19 |
Family
ID=63813072
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810711920.2A Pending CN108679358A (en) | 2018-06-29 | 2018-06-29 | A kind of gas pipeline no-dig technique liner repairing construction technique |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109929237A (en) * | 2019-03-18 | 2019-06-25 | 江苏爱索新材料科技有限公司 | A kind of air-tightness polyurethane material and lining pipe for repairing pipelines |
| CN113202174A (en) * | 2021-06-04 | 2021-08-03 | 湖北今非塑业有限公司 | Method for repairing leakage of cement drain pipe by using PE 100-grade modified O-concave O-lining pipe |
| CN113375188A (en) * | 2020-03-10 | 2021-09-10 | 通用电气公司 | Sleeve assembly and method of making same |
| CN113482127A (en) * | 2021-07-16 | 2021-10-08 | 湖北今非塑业有限公司 | Method for repairing leakage of cement drain pipe by using PE 100-grade modified round-concave round vacuum lining pipe |
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| CN201487441U (en) * | 2009-07-23 | 2010-05-26 | 广州市汉普密封件有限公司 | Sanitary hose assembly |
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| CN109929237A (en) * | 2019-03-18 | 2019-06-25 | 江苏爱索新材料科技有限公司 | A kind of air-tightness polyurethane material and lining pipe for repairing pipelines |
| CN113375188A (en) * | 2020-03-10 | 2021-09-10 | 通用电气公司 | Sleeve assembly and method of making same |
| CN113202174A (en) * | 2021-06-04 | 2021-08-03 | 湖北今非塑业有限公司 | Method for repairing leakage of cement drain pipe by using PE 100-grade modified O-concave O-lining pipe |
| CN113202174B (en) * | 2021-06-04 | 2022-07-05 | 湖北今非塑业有限公司 | Method for repairing leakage of cement drain pipe by using PE 100-grade modified O-concave O-lining pipe |
| CN113482127A (en) * | 2021-07-16 | 2021-10-08 | 湖北今非塑业有限公司 | Method for repairing leakage of cement drain pipe by using PE 100-grade modified round-concave round vacuum lining pipe |
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