CN101413614A - Connecting method for restoring old pipe end head of inner lining glass fiber reinforced plastic by overturn method - Google Patents
Connecting method for restoring old pipe end head of inner lining glass fiber reinforced plastic by overturn method Download PDFInfo
- Publication number
- CN101413614A CN101413614A CNA2008101375790A CN200810137579A CN101413614A CN 101413614 A CN101413614 A CN 101413614A CN A2008101375790 A CNA2008101375790 A CN A2008101375790A CN 200810137579 A CN200810137579 A CN 200810137579A CN 101413614 A CN101413614 A CN 101413614A
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- pipe
- repaired
- pipeline section
- sleeve pipe
- heat insulation
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 239000011152 fibreglass Substances 0.000 title claims description 10
- 239000000853 adhesive Substances 0.000 claims abstract description 19
- 238000009413 insulation Methods 0.000 claims abstract description 19
- 230000001070 adhesive effect Effects 0.000 claims abstract description 18
- 239000003365 glass fiber Substances 0.000 claims abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000004804 winding Methods 0.000 claims description 2
- 230000007306 turnover Effects 0.000 abstract 2
- 238000011065 in-situ storage Methods 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000001723 curing Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
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- Pipe Accessories (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The invention relates to a connection method for repairing old pipeline end by lining FRP with a turnover method, comprising the steps as follows: 1) a connecting short pipe is cut off before the FRP pipe is lined on the repaired pipeline; heat insulation rings are welded at two ends of the pipeline end to be repaired and the connecting short pipe; 2) turnover method lining FRP end repairing is carried out in situ on the pipe section to be repaired and the connecting short pipe 4; 4) the connecting short pipe is arranged between two repaired pipe sections; 5) glass fiber bundle is dipped by adhesive and enwinds along the connecting short pipe and the end gap of the pipe section 1 so as to form a whole repaired ring; 6) the sleeve is moved to the two heat insulation rings of the end of the pipe section and the end of the connecting short pipe; 7) the sleeve and the heat insulation rings are welded together; 8) adhesive is poured into the sleeve through a hole above the sleeve; 9) a screw plug is screwed into the hole of the sleeve. The old pipeline joint connected by the method has firm connection, simple structure and easy application.
Description
Technical field:
The present invention relates to adjacent two pipeline section termination connection processing method of having repaired after the construction of old pipeline rehabilitation is finished in the ground surface works, especially a kind of method for restoring old pipe end head of inner lining glass fiber reinforced plastic by overturn connecting means.
Background technique:
Inversion method inner lining glass fiber reinforced plastic repairing used pipeline is to have impermeable layer and to be soaked with the shaping material of the fiber reinforcement flexible pipe of thermosetting resin as new pipeline, with upset passage and the forming panel of old pipeline as new pipeline, employing hydraulic pressure (or air pressure) overturns flexible pipe and sends in the old pipeline, make the resin layer of flexible pipe be attached at old inner-walls of duct, impermeable layer becomes the inner wall surface of new pipeline.Make bushing pipe institute adhesive solidification with heating or room temperature curing method, form firm steel-plastic composite pipe.
Because repairing used pipeline limited length of inversion method inner lining glass fiber reinforced plastic, often an old pipeline needs to repair several times just can finish, so just there is the problem of adjacent two pipeline section terminations connection, structure and construction quality that adjacent two pipeline section terminations of having repaired connect are key problem in technology, and be very big to pipeline influence in working life.
What existing end connecting method adopted is that the pipeline section group is to the back welding, because the temperature during welding is very high, so easily repairing good liner hose scaling loss, after pipeline is on active service the several years, just occur heavy corrosion phenomenons such as perforation at the scaling loss place, shortened the pipeline working life after repairing greatly.
Summary of the invention:
In order to overcome disadvantages of background technology, the invention provides a kind of method for restoring old pipe end head of inner lining glass fiber reinforced plastic by overturn connecting means.The old pipe coupling that connects with this method is connected firmly, and is simple in structure, easy construction; The anticorrosive coat continuous whole is identical with the inner lining material structure; Work progress guarantees that completed frp lining nexine is not damaged.
Technological scheme of the present invention is: this method for restoring old pipe end head of inner lining glass fiber reinforced plastic by overturn connecting means comprises the following steps:
1), be repaired the pipe lining Glass Steel Tube before, earlier pipeline is disconnected, cut off the connection short tube, waiting to repair the pipeline section termination and be connected short tube two heat insulation ring of burn-oning;
2) treat, at the scene and repair pipeline section and carry out the reparation of inversion method liner glass steel pipe, wait to repair the pipeline section termination the frp lining processing of turning up; Carry out same pretreatment to connecting short tube;
3), casing pipe sleeve is standby on the pipeline section of having repaired, a hole is arranged on the sleeve pipe;
4), will connect short tube is placed on two and has repaired in the middle of the pipeline section, connect two position-limited levers opening of fixed intervals respectively of every end outer wall on the short tube, position-limited lever one end has remainder, connects remainder that short tube is placed on two position-limited levers when having repaired in the middle of the pipeline section and drops on and repair on the pipeline section;
5), be stained with adhesive with glass fiber bundle, along connecting the complete additional ring of short tube and slit, pipeline section termination winding formation;
6), sleeve pipe is moved on pipeline section termination and two heat insulation rings that are connected the short tube termination, promptly sleeve pipe (2) is enclosed within on the heat insulation ring;
7), sleeve pipe and heat insulation ring is welded together, directly over a hole places with the silk on the sleeve pipe;
8), pour into 3201 adhesive, fill until adhesive, till overflowing from the silk hole from a sleeve pipe top silk hole;
9), plug is screwed in the cover pipe thread hole, plug is concordant with sleeve outer wall;
10), adhesive solidification, repaired mouth is finished.
The present invention has following beneficial effect: the termination that the invention solves between adjacent two pipeline sections that old pipeline do not repaired after the trenchless rehabilitation construction connects, and has guaranteed pipeline working life more than 30 years.This method also has simultaneously: (1) is connected firmly, and is simple in structure, easy construction; (2) anticorrosive coat continuous whole is identical with the inner lining material structure; (3) work progress guarantees that completed frp lining nexine is not damaged; (4) allow to repair pipeline connecting means routinely (welding) construction.
Description of drawings:
Fig. 1 is the pipeline configuration schematic representation that has been repaired.
1-repaiies pipeline section; 2-sleeve pipe; 3-heat insulation ring; 4-connection short tube; 5-additional ring; 7-adhesive; 8-plug.
Embodiment:
The invention will be further described below in conjunction with embodiment: this method for restoring old pipe end head of inner lining glass fiber reinforced plastic by overturn connecting means comprises the following steps:
1), be repaired the pipe lining Glass Steel Tube before, earlier pipeline 1 is disconnected, cut off and connect short tube 4, wait to repair pipeline section 1 termination and be connected short tube 4 two heat insulation ring 3 of burn-oning, in the welding process afterwards, heat insulation ring 3 can make to be waited to repair pipeline section 1 termination and is connected short tube 4 and is not heated, and guarantees that completed frp lining nexine is not damaged.
2) treat, at the scene and repair pipeline section and carry out the reparation of inversion method liner glass steel pipe, repaiied the pipeline section termination the processing of turning up of glass reinforced plastic lining layer; Carry out same pretreatment to connecting short tube 4, make the anticorrosive coat continuous whole, pipeline section inner lining material structure is identical with repairing, has guaranteed pipeline working life more than 30 years.
3) it is standby, to join 3201 adhesive 100g by 20～30min gel phase.
4), sleeve pipe 2 is enclosed within on the pipeline section of having repaired 1 standby, the internal diameter of sleeve pipe 2 has a hole greater than the external diameter of heat insulation ring 3 on the sleeve pipe 2;
5), will connect short tube 4 is placed on two from top to bottom and has repaired in the middle of the pipeline section 1, the two ends outer wall is fixed two position-limited levers respectively on the connection short tube 4, two position-limited lever 60 degree angles, interval on circumference, position-limited lever one end has remainder, connect remainder that short tube 4 is placed on two position-limited levers when having repaired in the middle of the pipeline section 1 and drop on and repair on the pipeline section 1, it is concentric with pipeline section 1 to guarantee to connect short tube 4;
6), be stained with 3201 adhesive that prepared, twine and constitute complete additional ring 5, two sections pipeline sections that are repaired are connected together along connecting short tube 4 and slit, pipeline section 1 termination with glass fiber bundle;
7), sleeve pipe 2 is moved on pipeline section 1 termination and two heat insulation rings 3 that are connected short tube 4 terminations, promptly sleeve pipe 2 is enclosed within on two heat insulation rings 3, and sleeve pipe 2, two heat insulation rings 3 and the pipeline section 1 that is repaired form a cavity and be used for splendid attire adhesive 7;
8), sleeve pipe 2 and heat insulation ring 3 is welded together, it is in aggregates that two pipeline sections connect, and makes directly over a silk hole on the sleeve pipe 2 places;
9), pour into 3201 adhesive 7, fill until adhesive, till overflowing from the silk hole from silk hole, sleeve pipe 2 top; Make the more firm of connection.
10), plug 6 is screwed in 2 holes of sleeve pipes, plug is concordant with sleeve outer wall, at this moment adhesive is extruded from the slit.
11), adhesive 7 solidifies, repaired mouth is finished.
Claims (1)
1, a kind of method for restoring old pipe end head of inner lining glass fiber reinforced plastic by overturn connecting means is characterized in that: comprise the following steps:
1), be repaired the pipe lining Glass Steel Tube before, earlier pipeline is disconnected, cut off and connect short tube (4), pipeline section to be repaiied (1) termination be connected short tube (4) two heat insulation ring (3) of burn-oning;
2) treat, at the scene and repair pipeline section and carry out the reparation of inversion method liner glass steel pipe, pipeline section to be repaiied (1) termination is with the frp lining processing of turning up; Carry out same pretreatment to connecting short tube 4;
3), sleeve pipe (2) be enclosed within the pipeline section (1) repaired go up standbyly, sleeve pipe has a hole on (2);
4), will connect short tube (4) is placed on two and has repaired in the middle of the pipeline section (1);
5), be stained with adhesive with glass fiber bundle, along connecting the complete additional ring (5) of short tube (4) and slit, pipeline section 1 termination winding formation;
6), sleeve pipe (2) is moved on pipeline section (1) termination and two heat insulation rings (3) that are connected short tube (4) termination, promptly sleeve pipe (2) is enclosed within on the heat insulation ring (3);
7), sleeve pipe (2) and heat insulation ring (3) is welded together, directly over a hole places with the silk on the sleeve pipe (2);
8), pour into adhesive (7), fill until adhesive from a sleeve pipe top silk hole;
9), plug (6) is screwed in sleeve pipe (2) the silk hole;
10), adhesive (7) solidifies, repaired mouth is finished.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2008101375790A CN100564984C (en) | 2008-11-21 | 2008-11-21 | The method for restoring old pipe end head of inner lining glass fiber reinforced plastic by overturn connecting means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2008101375790A CN100564984C (en) | 2008-11-21 | 2008-11-21 | The method for restoring old pipe end head of inner lining glass fiber reinforced plastic by overturn connecting means |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101413614A true CN101413614A (en) | 2009-04-22 |
| CN100564984C CN100564984C (en) | 2009-12-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2008101375790A Active CN100564984C (en) | 2008-11-21 | 2008-11-21 | The method for restoring old pipe end head of inner lining glass fiber reinforced plastic by overturn connecting means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100564984C (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102248677A (en) * | 2011-06-21 | 2011-11-23 | 刘均平 | Adhesive connecting process for inner pipe of casting polyurethane conveying pipe and special clamp thereof |
| CN105465541A (en) * | 2016-01-25 | 2016-04-06 | 安塞亿峰工贸有限责任公司 | Double-headed repairing method of glass steel pipeline |
| CN106641554A (en) * | 2016-09-21 | 2017-05-10 | 胜利油田胜兴集团有限责任公司 | Device for repair connection after damage of underground anti-corrosion pipe |
| WO2017107786A1 (en) * | 2015-12-24 | 2017-06-29 | 浙江鑫宙竹基复合材料科技有限公司 | Pipe element for use in bamboo-wrapped composite pipe |
| CN109210046A (en) * | 2017-07-01 | 2019-01-15 | 唐麟 | A kind of foldable bamboo pole |
| CN111911743A (en) * | 2020-09-15 | 2020-11-10 | 樊三新 | Pipeline lining soft and hard pipe field interface repairing structure |
| CN112283490A (en) * | 2020-09-30 | 2021-01-29 | 郑州新锐石油工程技术有限公司 | Method for repairing damaged glass fiber reinforced plastic pipeline |
-
2008
- 2008-11-21 CN CNB2008101375790A patent/CN100564984C/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102248677A (en) * | 2011-06-21 | 2011-11-23 | 刘均平 | Adhesive connecting process for inner pipe of casting polyurethane conveying pipe and special clamp thereof |
| WO2017107786A1 (en) * | 2015-12-24 | 2017-06-29 | 浙江鑫宙竹基复合材料科技有限公司 | Pipe element for use in bamboo-wrapped composite pipe |
| CN105465541A (en) * | 2016-01-25 | 2016-04-06 | 安塞亿峰工贸有限责任公司 | Double-headed repairing method of glass steel pipeline |
| CN105465541B (en) * | 2016-01-25 | 2017-07-04 | 安塞亿峰工贸有限责任公司 | A kind of double end method for repairing and mending of glass steel pipeline |
| CN106641554A (en) * | 2016-09-21 | 2017-05-10 | 胜利油田胜兴集团有限责任公司 | Device for repair connection after damage of underground anti-corrosion pipe |
| CN106641554B (en) * | 2016-09-21 | 2018-07-03 | 胜利油田胜兴集团有限责任公司 | A kind of reparation attachment device after underground anti-corrosion pipe breakage |
| CN109210046A (en) * | 2017-07-01 | 2019-01-15 | 唐麟 | A kind of foldable bamboo pole |
| CN111911743A (en) * | 2020-09-15 | 2020-11-10 | 樊三新 | Pipeline lining soft and hard pipe field interface repairing structure |
| CN112283490A (en) * | 2020-09-30 | 2021-01-29 | 郑州新锐石油工程技术有限公司 | Method for repairing damaged glass fiber reinforced plastic pipeline |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100564984C (en) | 2009-12-02 |
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| C14 | Grant of patent or utility model | ||
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Owner name: DAQING OIL FIELD CONSTRUCTION CO., LTD. |
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Effective date of registration: 20100719 Address after: 163453 No. 99 Zhongyuan Road, Daqing, Heilongjiang Co-patentee after: DAQING OILFIELD CONSTRUCTION GROUP Co.,Ltd. Patentee after: Daqing Oilfield Co.,Ltd. Address before: 163453 No. 99 Zhongyuan Road, Daqing, Heilongjiang Patentee before: Daqing Oilfield Co.,Ltd. |
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Effective date of registration: 20220121 Address after: 163453 Heilongjiang Province, Daqing City Ranghulu District Central Plains Road No. 99 Patentee after: Daqing Oilfield Co.,Ltd. Patentee after: PetroChina Company Limited Patentee after: DAQING OILFIELD CONSTRUCTION GROUP Co.,Ltd. Address before: 163453 No. 99 Zhongyuan Road, Daqing, Heilongjiang Patentee before: Daqing Oilfield Co.,Ltd. Patentee before: DAQING OILFIELD CONSTRUCTION GROUP Co.,Ltd. |