CN109458516A - A kind of compound pipeline complex pipeline field repair component and operating method - Google Patents
A kind of compound pipeline complex pipeline field repair component and operating method Download PDFInfo
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- CN109458516A CN109458516A CN201811408635.XA CN201811408635A CN109458516A CN 109458516 A CN109458516 A CN 109458516A CN 201811408635 A CN201811408635 A CN 201811408635A CN 109458516 A CN109458516 A CN 109458516A
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- Prior art keywords
- pipe nipple
- short section
- connecting short
- tube
- connection
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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
- F16L55/18—Appliances for use in repairing pipes
-
- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pipe Accessories (AREA)
Abstract
A kind of compound pipeline complex pipeline field repair component and operating method, including connection structure, repair pipe nipple and conversion pipe nipple；The one end for converting pipe nipple connects connection structure, and pipe nipple is repaired in other end connection；Connection structure includes connection sleeve, connecting short section, inner core tube and outer tube；Connecting short section is hollow cylindrical, one end of connecting short section and connecting short section are coaxially fixedly installed outer tube, inner core tube is fixedly installed on connecting short section on the inside of outer tube, inner core tube and outer tube are coaxially disposed, annular connection cavity is formed between inner core tube and outer tube, the end of multiple tube is stuck in annular connection cavity；The other end of connecting short section is arranged with connection sleeve；Connection structure is identical with pipe nipple structure is repaired.When the present invention carries out the reparation of reinforced thermoplastics multiple tube, the connection between pipe joint production to be repaired and the connector on pipeline to be repaired and conversion pipe nipple, conversion pipe nipple and connecting short section can be rapidly completed, the quality time is saved for scene rush to repair, improves construction efficiency.
Description
Technical field
The invention belongs to pipe rehabilitation technology field, in particular to a kind of compound pipeline complex pipeline field repair component and operation side
Method.
Background technique
In order to alleviate oil field etching problem, the compound road of non-metallic pipe is as solving one of ground transportation network etching problem
Effective way has had been more and more widely used in some new constructions and reconstruction and extension project.Reinforced thermoplastics is multiple
Closing pipe not only has the characteristics that traditional non-metallic pipe is corrosion-resistant, transporting resistance is small, and has flexible, joint length up to number
Hundred meters, the features such as connector is few and quick for installation.Typical non-metal composite pipe product structure is three layers, i.e. liner layer, enhancement layer
And external protection.Wherein innermost layer is liner layer, plays the role of sealing fluid and resistant to chemical media corrodes, generally use poly- second
The thermoplastics such as alkene (PE), nylon (PA) and Kynoar (PVDF)；Middle layer is enhancement layer, is the master of pipeline carrying
Body generallys use the materials such as polyester fiber, aramid fiber or steel wire；Outermost layer is external protection, play prevent outside deterioration and
The effect of anti-ultraviolet aging generallys use PE material.
As novel tube, along with being significantly increased for reinforced thermoplastics multiple tube dosage, type is increasing,
Failure count obviously increases.And at present usually reply Pipeline Failure way it is basic there are two types of, one is way be replacement it is whole
Pipeline, since non-metallic pipe joint length is between 100m~500, if it is higher to replace whole pipeline cost；Another does
Method is to fix after first swathing leak position with nonmetallic materials with metal ferrule, is commonly called as " son of checking card ".This method can be short
When alleviate leakage, but due to leakage path be thoroughly block, when bearing high-pressure delivery by will cause secondary leakage fail.
Summary of the invention
The purpose of the present invention is to provide a kind of compound pipeline complex pipeline field repair component and operating methods, to solve above-mentioned ask
Topic.
To achieve the above object, the invention adopts the following technical scheme:
A kind of compound pipeline complex pipeline field repair component, including connection structure, reparation pipe nipple and conversion pipe nipple；Convert pipe nipple
One end connects connection structure, and pipe nipple is repaired in other end connection；Connection structure includes connection sleeve, connecting short section, inner core tube and outer
Casing；Connecting short section is hollow cylindrical, and one end of connecting short section and connecting short section are coaxially fixedly installed outer tube, outer tube
Inner core tube is fixedly installed on the connecting short section of inside, inner core tube and outer tube are coaxially disposed, shape between inner core tube and outer tube
Connection cavity is circularized, the end of multiple tube is stuck in annular connection cavity；The other end of connecting short section is arranged with connection sleeve；
Connection structure is identical with pipe nipple structure is repaired.
Further, connecting short section is that the both ends of outer surface circumferentially arranged have annular protrusion；Connect sleeve and company
Connecing the inner sidewall that pipe nipple connects one end circumferentially arranged has annular protrusion；Connection sleeve is covered in the outside of connecting short section, connector sleeve
The annular protrusion of cylinder is located between two annular protrusions of connecting short section.
Further, connection sleeve is internally provided with internal screw thread, converts and is provided with external screw thread outside pipe nipple, connection sleeve with
Convert short-section thread connection；Pipe nipple is repaired to connect with conversion short-section thread.
Further, pipe nipple is converted as hollow cylindrical shape, and the bore at both ends is not identical, conversion pipe nipple difference bore
End outer surface is provided with external screw thread.
Further, the both ends for converting pipe nipple are provided with sealing ring, when converting pipe nipple with sleeve threaded connection is connect,
Conversion pipe nipple screws the end that can be against connecting short section.
Further, multiple tube is reinforced thermoplastics multiple tube, and multiple tube includes protective layer, enhancement layer and liner
Layer；Sequentially coaxially setting forms multiple tube from the outside to the core for protective layer, enhancement layer and liner layer.
Further, a kind of operating method of compound pipeline complex pipeline field repair component, it is compound based on one kind described above
Pipeline field repairs multiplexing assembly, comprising the following steps:
Step 1 carries out recognition and verification to the invalid position of the multiple tube of field failure, is determined according to invalid position length
Using rebuilt component specification, the excision of invalid position pipeline section, the outer protection of the pipe end after excision are carried out on multiple tube tube body
Layer, enhancement layer and liner layer are answered flush smooth；
Step 2, pipe end to be repaired sticks into annular connection cavity after the place's of cutting invalid position, is withheld using connector
Inner core tube and outer tube are withheld and are connected to pipeline end face by machine；
Step 3, choose the conversion pipe nipple of corresponding specification and be threadedly attached to connection sleeve on, end it is close
Seal arrives on connecting short section；
Step 4: will repair pipe nipple and be threadedly attached on conversion pipe nipple, and the sealing ring of conversion pipe nipple end, which arrives to, to be repaired
On connecting short section on multiple pipe nipple.
The present invention has following technical effect compared with prior art:
When the present invention carries out reinforced thermoplastics multiple tube and repairs, can be rapidly completed pipe joint to be repaired production and
Connection between connector on pipeline to be repaired and conversion pipe nipple, conversion pipe nipple and connecting short section is saved valuable for scene rush to repair
Time improves construction efficiency.
Further, the conversion pipe nipple in accessory is repaired, the field repair to different tube diameters pipeline may be implemented.In reality
In use process, it need to only choose and the matched conversion pipe nipple of line size to be repaired.In addition, the conversion round and smooth mistake of pipe nipple inner wall
It crosses, meets fluid mechanical design requirement, not will cause turbulent flow.
Further, all connection types are to be threadedly coupled, and are convenient for field operation, realize and quickly repair.And it connects
End surface is furnished with gasket, improves sealing for tubing joints performance, ensures later period safe operation.
Further, repairing connecting short section in accessory uses reinforced thermoplastics multiple tube for tube body, due to the tube body
It is flexible within the scope of minimum bending radius, the pipeline reparation being not on same axis may be implemented, even corner is lost
Imitate the reparation of pipeline.In addition, the tube body material is nonmetallic, lighter weight, it is convenient for onsite moving and operation.
Detailed description of the invention
Fig. 1 is connecting short section structural schematic diagram；
Fig. 2 is conversion pipe nipple structural schematic diagram；
Fig. 3 is connecting short section enlarged structure schematic diagram；
In attached drawing: 1. protective layers, 2. enhancement layers, 3. liner layers, 4. connection sleeves, 6. connecting short sections, 7. inner core tubes, outside 8.
Casing, 10. conversion pipe nipples.
Specific embodiment
Below in conjunction with attached drawing, the present invention is further described:
It please refers to Fig.1 to Fig.3, a kind of compound pipeline complex pipeline field repair component, including connection structure, reparation pipe nipple and conversion
Pipe nipple 10；The one end for converting pipe nipple 10 connects connection structure, and pipe nipple is repaired in other end connection；Connection structure include connection sleeve 4,
Connecting short section 6, inner core tube 7 and outer tube 8；Connecting short section 6 is hollow cylindrical, and one end of connecting short section 6 and connecting short section 6 are same
Axis is fixedly installed outer tube 8, is fixedly installed inner core tube 7, inner core tube 7 and outer tube on the connecting short section 6 of 8 inside of outer tube
8 coaxial arrangements, form annular connection cavity between inner core tube 7 and outer tube 8, the end of multiple tube is stuck in annular connection cavity
It is interior；The other end of connecting short section 6 is arranged with connection sleeve 4；Connection structure is identical with pipe nipple structure is repaired.
Connecting short section 6, which is that the both ends of outer surface are circumferentially arranged, annular protrusion；Connect sleeve 4 and connecting short section 6
The inner sidewall of connection one end is circumferentially arranged annular protrusion；Outside of 4 sets of sleeve of the connection in connecting short section 6, connection sleeve 4
Annular protrusion is located between two annular protrusions of connecting short section 6.
Connection sleeve 4 is internally provided with internal screw thread, converts and is provided with external screw thread outside pipe nipple 10, connection sleeve 4 and conversion
Pipe nipple 10 is threadedly coupled；Pipe nipple is repaired to be threadedly coupled with conversion pipe nipple 10.
Pipe nipple 10 is converted as hollow cylindrical shape, and the bore at both ends is not identical, the end of the different bores of conversion pipe nipple 10
Outer surface is provided with external screw thread.
The both ends of conversion pipe nipple 10 are provided with sealing ring, when converting pipe nipple 10 with the threaded connection of sleeve 4 is connect, conversion
Pipe nipple 10 screws the end that can be against connecting short section 6.
Multiple tube is reinforced thermoplastics multiple tube, and multiple tube includes protective layer 1, enhancement layer 2 and liner layer 3；Protection
Sequentially coaxially setting forms multiple tube from the outside to the core for layer 1, enhancement layer 2 and liner layer 3.
A kind of operating method of compound pipeline complex pipeline field repair component, comprising the following steps:
Step 1 carries out recognition and verification to the invalid position of the multiple tube of field failure, is determined according to invalid position length
Using rebuilt component specification, the excision of invalid position pipeline section, the outer protection of the pipe end after excision are carried out on multiple tube tube body
Layer, enhancement layer and liner layer are answered flush smooth；
Step 2, pipe end to be repaired sticks into annular connection cavity after the place's of cutting invalid position, is withheld using connector
Inner core tube and outer tube are withheld and are connected to pipeline end face by machine；
Step 3, choose the conversion pipe nipple of corresponding specification and be threadedly attached to connection sleeve on, end it is close
Seal arrives on connecting short section；
Step 4: will repair pipe nipple and be threadedly attached on conversion pipe nipple, and the sealing ring of conversion pipe nipple end, which arrives to, to be repaired
On connecting short section on multiple pipe nipple.
Embodiment 1:
There is reinforced thermoplastics multiple tube (DN100PN4MPa) field repair of 10cm axial crack in pipeline
Step 1: choosing component, and it is 50cm specification that wherein connecting short section 6, which chooses length, and conversion pipe nipple 10 is chosen DN80 and turned
DN100 specification；Centered on tube body crackle, measurement length is that (wherein 50cm is connecting short section length to 90cm, and 40cm is 2 and turns
Change pipe nipple length) the simultaneously sawing of undamaged portion tube body.By the end grinding process of two pipelines to be repaired, keep end flush flat
It is whole.
Step 2: inner core tube and outer tube will be withheld using connector crimping equipment and is connected to pipeline end face.
Step 3: elastomer sealing ring is placed in component conversion pipe nipple DN100 threaded exterior end face, by the conversion pipe nipple
DN100 connector by screw thread twist-on arrive to connect sleeve above.
Step 4: will repair pipe nipple and be threadedly attached on conversion pipe nipple, and the sealing ring of conversion pipe nipple end, which arrives to, to be repaired
On connecting short section on multiple pipe nipple.
After completing the connection of all connectors, can come into operation after pressure testing is qualified, replaced immediately if any leakage phenomenon connector or
Sealing element is carried out from new connection, until pressure testing is all qualified.
Example 2:
There is the reinforced thermoplastics multiple tube of 20cm axial crack in pipeline corner (minimum bending radius 2m)
(DN80PN6MPa) field repair
Step 1: choosing component, and it is 200cm specification that wherein connecting short section 6, which chooses length, and conversion pipe nipple 10 is chosen DN80 and turned
DN80 specification；Centered on tube body crackle, measurement length is that (wherein 200cm is connecting short section length to 240cm, and 40cm is 2 and turns
Change pipe nipple length) the simultaneously sawing of undamaged portion tube body.By the end grinding process of two pipelines to be repaired, keep end flush flat
It is whole.
Step 2: inner core tube and outer tube will be withheld using connector crimping equipment and is connected to pipeline end face.
Step 3: adjusting pipeline and connecting short section to be repaired position, guarantees that both ends are coaxial, and pipeline to be repaired and component
The bending radius of connecting short section is greater than the minimum bending radius of standard requirements.Elastomer sealing ring is placed in component conversion pipe nipple
DN100 threaded exterior end face, by the conversion pipe nipple DN100 connector by screw thread twist-on arrive to connect sleeve above.
Step 4: will repair pipe nipple and be threadedly attached on conversion pipe nipple, and the sealing ring of conversion pipe nipple end, which arrives to, to be repaired
On connecting short section on multiple pipe nipple.
After completing the connection of all connectors, can come into operation after pressure testing is qualified, replaced immediately if any leakage phenomenon connector or
Sealing element is carried out from new connection, until pressure testing is all qualified.
Claims (7)
1. a kind of compound pipeline complex pipeline field repair component, which is characterized in that including connection structure, repair pipe nipple and conversion pipe nipple
(10)；The one end for converting pipe nipple (10) connects connection structure, and pipe nipple is repaired in other end connection；Connection structure includes connection sleeve
(4), connecting short section (6), inner core tube (7) and outer tube (8)；Connecting short section (6) be hollow cylindrical, the one of connecting short section (6)
End is coaxially fixedly installed outer tube (8) with connecting short section (6), is fixedly installed on the connecting short section (6) on the inside of outer tube (8)
Inner core tube (7), inner core tube (7) and outer tube (8) are coaxially disposed, and are formed annular between inner core tube (7) and outer tube (8) and are connect sky
Chamber, the end of multiple tube are stuck in annular connection cavity；The other end of connecting short section (6) is arranged with connection sleeve (4)；Connection knot
Structure is identical with pipe nipple structure is repaired.
2. a kind of compound pipeline complex pipeline field repair component according to claim 1, which is characterized in that connecting short section (6) is
The both ends of outer surface are circumferentially arranged annular protrusion；Connection sleeve (4) connect the inner sidewall of one end with connecting short section (6)
It is circumferentially arranged to have annular protrusion；Connection sleeve (4) covers in the outside of connecting short section (6), connects the annular protrusion position of sleeve (4)
Between two annular protrusions of connecting short section (6).
3. a kind of compound pipeline complex pipeline field repair component according to claim 1, which is characterized in that in connection sleeve (4)
Portion is provided with internal screw thread, and external screw thread is provided with outside conversion pipe nipple (10), and connection sleeve (4) and conversion pipe nipple (10) screw thread connect
It connects；Pipe nipple is repaired to be threadedly coupled with conversion pipe nipple (10).
4. a kind of compound pipeline complex pipeline field repair component according to claim 3, which is characterized in that converting pipe nipple (10) is
Hollow cylindrical shape, and the bore at both ends is not identical, the end outer surface of the different bores of conversion pipe nipple (10) is provided with outer spiral shell
Line.
5. a kind of compound pipeline complex pipeline field repair component according to claim 3, which is characterized in that conversion pipe nipple (10)
Both ends are provided with sealing ring, and when converting pipe nipple (10) with sleeve (4) threaded connection is connect, conversion pipe nipple (10) is screwed and can be supported
In the end of connecting short section (6).
6. a kind of compound pipeline complex pipeline field repair component according to claim 1, which is characterized in that multiple tube is enhancing heat
Thermoplastic plastic multiple tube, multiple tube include protective layer (1), enhancement layer (2) and liner layer (3)；Protective layer (1), enhancement layer (2) and
Sequentially coaxially setting forms multiple tube to liner layer (3) from the outside to the core.
7. a kind of operating method of compound pipeline complex pipeline field repair component, which is characterized in that based on any in claim 1 to 6
A kind of compound pipeline complex pipeline field repair component described in one, comprising the following steps:
Step 1 carries out recognition and verification to the invalid position of the multiple tube of field failure, is determined and used according to invalid position length
Rebuilt component specification, carries out the excision of invalid position pipeline section on multiple tube tube body, and the external protection of the pipe end after excision increases
Strong layer and liner layer are answered flush smooth；
Step 2, pipe end to be repaired sticks into annular connection cavity after the place's of cutting invalid position, will using connector buckle machine
Inner core tube and outer tube, which are withheld, is connected to pipeline end face；
Step 3 is chosen the conversion pipe nipple of corresponding specification and is threadedly attached on connection sleeve, the sealing ring of end
It arrives on connecting short section；
Step 4: pipe nipple will be repaired and be threadedly attached on conversion pipe nipple, it is short that the sealing ring of conversion pipe nipple end arrives to reparation
On connecting short section on section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811408635.XA CN109458516A (en) | 2018-11-23 | 2018-11-23 | A kind of compound pipeline complex pipeline field repair component and operating method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811408635.XA CN109458516A (en) | 2018-11-23 | 2018-11-23 | A kind of compound pipeline complex pipeline field repair component and operating method |
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| Publication Number | Publication Date |
|---|---|
| CN109458516A true CN109458516A (en) | 2019-03-12 |
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ID=65611572
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811408635.XA Pending CN109458516A (en) | 2018-11-23 | 2018-11-23 | A kind of compound pipeline complex pipeline field repair component and operating method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111525489A (en) * | 2020-05-13 | 2020-08-11 | 杭州智海人工智能有限公司 | Submarine cable terminal connector |
| CN112361115A (en) * | 2020-09-29 | 2021-02-12 | 中国石油天然气集团有限公司 | Special-shaped sleeve for repairing fillet weld defect of B-shaped sleeve |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111525489A (en) * | 2020-05-13 | 2020-08-11 | 杭州智海人工智能有限公司 | Submarine cable terminal connector |
| CN112361115A (en) * | 2020-09-29 | 2021-02-12 | 中国石油天然气集团有限公司 | Special-shaped sleeve for repairing fillet weld defect of B-shaped sleeve |
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Application publication date: 20190312 |