CN105465541B - A kind of double end method for repairing and mending of glass steel pipeline - Google Patents
A kind of double end method for repairing and mending of glass steel pipeline Download PDFInfo
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- CN105465541B CN105465541B CN201610049018.XA CN201610049018A CN105465541B CN 105465541 B CN105465541 B CN 105465541B CN 201610049018 A CN201610049018 A CN 201610049018A CN 105465541 B CN105465541 B CN 105465541B
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- glass steel
- steel pipeline
- pipe
- repairing
- glass
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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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pipe Accessories (AREA)
- Laminated Bodies (AREA)
- Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)
Abstract
The invention discloses a kind of double end method for repairing and mending of glass steel pipeline, including by the pretreatment of damaged glass steel pipeline, repair the pretreatment and the processing of internal and external screw thread thereon of pipe, then glass fabric and composite solution are used, two incision positions for repairing pipe and glass steel pipeline are connected respectively, standing is normally used for 8~10 hours.The present invention is successively connected by repairing the two ends of pipe and glass steel pipeline, when solving glass reinforced plastic pipe as filling pipe, repairing problem when filling pipe two ends can move；Repair pipe and glass steel wire is connected through a screw thread, in the use that threaded connection place passes through composite solution and glass fabric, when solving glass steel pipeline in the case of high pressure and greater impact power, the problem of cracky after reparation, method is simple, reduces rehabilitation cost.
Description
Technical field
The invention belongs to the method for repairing and mending technical field of glass reinforced plastic pipe, and in particular to a kind of double end repairing of glass steel pipeline
Method.
Background technology
Glass reinforced plastic pipe, as a kind of new reinforcing material, hardness, high temperature resistant, erosion-resisting property with glass, and
With steel it is equally hard not broken the characteristics of, have very broad application market.In recent years, with water filling skill in oil exploitation industry
The extensive use of art, in filling pipe selection, glass reinforced plastic pipe turns into a kind of important instrument.
Long-term high pressure and stronger water flow impact pressure, the damaged reparation of glass reinforced plastic pipe need to be met when being used due to filling pipe
Mode typically has three kinds：One is smaller leak source, in the case of rule of surface, can using check card son method, this method without
Stop production, construct simple and quick, but the scope of application is smaller；Two be its surface damage not usually, wound using glass fabric, use
Composite solution carries out viscous benefit, applies man-hour requirement and is thoroughly vented, environmental drying, winds and bond composite solution time solidifying 12 repeatedly small
When, but cracky under high pressure after repairing；Three be leak source it is larger in the case of, carry out cutting and change pipe, according to damaged situation,
The glass steel pipeline of certain length is cut, frosted is carried out at pipeline two ends, use winding method connecting pipeline, this kind of repairing method connection
Leak source is also easy to produce at pipeline, it is necessary to repeatedly repair, cause rehabilitation cost higher.
The content of the invention
It is an object of the invention to provide a kind of double end method for repairing and mending of glass steel pipeline, existing glass steel pipeline is solved
Cracky, the higher problem of rehabilitation cost after being repaired in restorative procedure.
The technical scheme that a kind of double end method for repairing and mending of glass steel pipeline of the present invention is used is to comprise the following steps：
Step one：External diameter is the pretreatment of the broken glass steel pipeline of Dmm, and the breakage of broken glass steel pipeline is fallen in interception
Place, disconnects glass steel pipeline and forms independent two sections, and two sections of glass steel pipeline outer walls are distinguished from gap to the other end
Polish smooth, the polishing length of the two ends outer wall of glass steel pipeline is no less than 2.3 times of its outer diameter D；
The selection and pretreatment of pipe are repaired, selection internal diameter is Dmm~(D+3) mm, wall thickness is the reparation pipe of 8mm~12mm,
The two ends for repairing pipe are carried out into boring using boring machine；
Step 2：The processing of pipe is repaired, the cutting of pipe two ends internal thread and external screw thread will be repaired in step one；
Step 3：The outer wall difference uniform application composite solution of the glass steel pipeline that will be polished smooth in step one, then
2~4 layers of glass fabric are wound outside composite solution, the uniform application composite solution again outside glass fabric smears multiple
The length of the length and winding glass fabric of closing solution is no less than 1.3 times of broken glass steel pipeline outer diameter D；
Step 4：Reparation pipe in selecting step two, distinguishes uniform application composite solution at its two ends internal thread；
Step 5：Gap one end that the glass steel pipeline in pipe one end and step 3 will be repaired in step 4 socket-connects,
1.4 times of the length for socket-connecting no less than broken glass steel pipeline outer diameter D；
Step 6：The reparation pipe of mutually socket in step 5 is combined with the socket place uniform application of glass steel pipeline molten
Liquid, if then winding dried layer glass fabric outside composite solution, the gross thickness of composite solution and glass fabric for 8mm~
10mm, socket place smears composite solution with the length of winding glass fabric no less than the 2.8 of broken glass steel pipeline outer diameter D
Times；
Step 7：By the other end weight of the gap of the glass steel pipeline in step 4 in the reparation pipe other end and step 3
The operation of multiple step 5 and step 6；
Step 8：The reparation pipe and glass steel pipeline that are connected in step 7 are stood 8~10 hours, broken glass steel pipe
The repairing of line is completed.
It is of the invention to be further characterized in that,
The preparation method of composite solution is：It is 30% to take epoxy resin that mass fraction is 50%~70% and mass fraction
~50% W93 epoxy curing agents, are stirred at normal temperatures, be well mixed, the mass fraction of combination of the above thing it is total
Be 100%.
The nominal diameter of the internal thread in step 2 is (D+4) mm~(D+6) mm, pitch is 1mm~3mm, externally threaded
Nominal diameter is (D+9) mm~(D+12) mm, pitch is 1mm~3mm；Internal thread and externally threaded length are not less than damaged glass
1.4 times of glass steel pipeline outer diameter D.
The equal boring of internal diameter to (D+3) mm~(D+4) mm, the boring length that pipe is repaired in step one is no less than broken glass steel
1.6 times of pipeline outer diameter D.
The surface roughness of smooth glass steel pipeline outer wall is 2.5 μm~5 μm in step one.
The beneficial effects of the invention are as follows：A kind of double end method for repairing and mending of glass steel pipeline of the present invention is by repairing pipe and glass
The two ends of steel pipeline successively connect, when solving glass reinforced plastic pipe as filling pipe, repairing when filling pipe two ends can move
Complementarity problem；Repair pipe and glass steel wire is connected through a screw thread, in threaded connection place making by composite solution and glass fabric
With, when solving glass steel pipeline in the case of high pressure and greater impact power, the problem of cracky after reparation, method is simple,
Reduce rehabilitation cost.
Specific embodiment
Below by specific embodiment, the present invention is described in detail.
Embodiment 1
The preparation of composite solution：Take the epoxy resin that mass fraction is 50% and the W93 asphalt mixtures modified by epoxy resin that mass fraction is 50%
Fat curing agent, is stirred at normal temperatures, is well mixed.
Step one：External diameter is that D is the pretreatment of the broken glass steel pipeline of 100mm, and broken glass steel pipeline is fallen in interception
Breakage, disconnects glass steel pipeline and forms independent two sections, by two sections of glass steel pipeline outer walls from gap to the other end
Polish smooth respectively, make the roughness of its outer wall for 2.5 μm, the polishing length of the two ends outer wall of glass steel pipeline is its external diameter
2.3 times of D are 230mm, glass steel pipeline after grinding process, it is convenient when in use with composite solution, glass fabric it is tight
Closely connected conjunction；
The selection and pretreatment of pipe are repaired, the reparation pipe that selection internal diameter is 100mm, wall thickness is 8mm will be repaired using boring machine
The two ends of pipe carry out boring, the equal boring of internal diameter to 103mm, the boring length at reparation pipe two ends is outside broken glass steel pipeline
1.6 times of footpath D are 160mm.
Step 2：The processing of pipe is repaired, the cutting of pipe two ends internal thread and external screw thread, the interior spiral shell of cutting will be repaired in step one
The nominal diameter of line is 104mm, pitch is 1mm, and externally threaded nominal diameter is 109mm, pitch is 1mm, internal thread and outer spiral shell
The length of line is 1.4 times i.e. 140mm of broken glass steel pipeline outer diameter D, and the processing of internal thread makes the glass of reparation pipe and breakage
The firm pipeline of glass can increase frictional force after socket, prevent from slipping.
Step 3：The outer wall difference uniform application composite solution of the glass steel pipeline that will be polished smooth in step one, then
2 layers of glass fabric are wound outside composite solution, the uniform application composite solution again outside glass fabric smears compound molten
The length of liquid and the length of winding glass fabric are 1.3 times i.e. 130mm of broken glass steel pipeline outer diameter D, glass fibre
The use of cloth and composite solution can promote to repair pipe and the damaged firm pipeline of glass being brought into close contact in socket.
Step 4：Reparation pipe in selecting step two, distinguishes uniform application composite solution at its two ends internal thread.
Step 5：Gap one end that the glass steel pipeline in pipe one end and step 3 will be repaired in step 4 socket-connects,
The length for socket-connecting is 1.4 times i.e. 140mm of broken glass steel pipeline outer diameter D.
Step 6：The reparation pipe of mutually socket in step 5 is combined with the socket place uniform application of glass steel pipeline molten
Liquid, if then winding dried layer glass fabric outside composite solution, composite solution is 8mm with the gross thickness of glass fabric,
It is 2.8 times i.e. 280mm of broken glass steel pipeline outer diameter D that socket place smears composite solution with the length of winding glass fabric；
Socket reuses glass fabric and composite solution after terminating in outside, can effectively prevent occurring cunning in use
The problems such as taking off, reveal.
Step 7：By the other end weight of the gap of the glass steel pipeline in step 4 in the reparation pipe other end and step 3
The operation of multiple step 5 and step 6.
Step 8：The reparation pipe and glass steel pipeline that are connected in step 7 are stood 8 hours, broken glass steel pipeline
Repairing is completed.
Embodiment 2
The preparation of composite solution：Take the epoxy resin that mass fraction is 60% and the W93 asphalt mixtures modified by epoxy resin that mass fraction is 40%
Fat curing agent, is stirred at normal temperatures, is well mixed.
Step one：External diameter is that D is the pretreatment of the broken glass steel pipeline of 200mm, and broken glass steel pipeline is fallen in interception
Breakage, disconnects glass steel pipeline and forms independent two sections, by two sections of glass steel pipeline outer walls from gap to the other end
Polish smooth respectively, make the roughness of its outer wall for 4 μm, the polishing length of the two ends outer wall of glass steel pipeline is its outer diameter D
2.5 times i.e. 500mm；
The selection and pretreatment of pipe are repaired, the reparation pipe that selection internal diameter is 202mm, wall thickness is 10mm will be repaiied using boring machine
The two ends of multiple pipe carry out boring, the equal boring of internal diameter to 103.5mm, the boring length at reparation pipe two ends is broken glass steel pipe
1.8 times of line outer diameter D are 360mm.
Step 2：The processing of pipe is repaired, the cutting of pipe two ends internal thread and external screw thread, the interior spiral shell of cutting will be repaired in step one
The nominal diameter of line is 205mm, pitch is 2mm, and externally threaded nominal diameter is 210mm, pitch is 2mm, internal thread and outer spiral shell
The length of line is 1.6 times i.e. 320mm of broken glass steel pipeline outer diameter D.
Step 3：The outer wall difference uniform application composite solution of the glass steel pipeline that will be polished smooth in step one, then
3 layers of glass fabric are wound outside composite solution, the uniform application composite solution again outside glass fabric smears compound molten
The length of liquid and the length of winding glass fabric are 1.5 times i.e. 300mm of broken glass steel pipeline outer diameter D.
Step 4：Reparation pipe in selecting step two, distinguishes uniform application composite solution at its two ends internal thread；
Step 5：Gap one end that the glass steel pipeline in pipe one end and step 3 will be repaired in step 4 socket-connects,
The length for socket-connecting is 1.6 times i.e. 320mm of broken glass steel pipeline outer diameter D；
Step 6：The reparation pipe of mutually socket in step 5 is combined with the socket place uniform application of glass steel pipeline molten
Liquid, if then winding dried layer glass fabric outside composite solution, composite solution is 9mm with the gross thickness of glass fabric,
It is 3 times i.e. 600mm of broken glass steel pipeline outer diameter D that socket place smears composite solution with the length of winding glass fabric；
Step 7：By the other end weight of the gap of the glass steel pipeline in step 4 in the reparation pipe other end and step 3
The operation of multiple step 5 and step 6；
Step 8：The reparation pipe and glass steel pipeline that are connected in step 7 are stood 9 hours, broken glass steel pipeline
Repairing is completed.
Embodiment 3
The preparation of composite solution：Take the epoxy resin that mass fraction is 70% and the W93 asphalt mixtures modified by epoxy resin that mass fraction is 30%
Fat curing agent, is stirred at normal temperatures, is well mixed.
Step one：External diameter is that D is the pretreatment of the broken glass steel pipeline of 400mm, and broken glass steel pipeline is fallen in interception
Breakage, disconnects glass steel pipeline and forms independent two sections, by two sections of glass steel pipeline outer walls from gap to the other end
Polish smooth respectively, make the roughness of its outer wall for 5 μm, the polishing length of the two ends outer wall of glass steel pipeline is its outer diameter D
2.7 times i.e. 1080mm；
The selection and pretreatment of pipe are repaired, the reparation pipe that selection internal diameter is 403mm, wall thickness is 12mm will be repaiied using boring machine
The two ends of multiple pipe carry out boring, the equal boring of internal diameter to 404mm, the boring length at reparation pipe two ends is broken glass steel pipeline
2 times of outer diameter D are 800mm.
Step 2：The processing of pipe is repaired, the cutting of pipe two ends internal thread and external screw thread, the interior spiral shell of cutting will be repaired in step one
The nominal diameter of line is 406mm, pitch is 3mm, and externally threaded nominal diameter is 412mm, pitch is 3mm, internal thread and outer spiral shell
The length of line is 1.8 times i.e. 720mm of broken glass steel pipeline outer diameter D.
Step 3：The outer wall difference uniform application composite solution of the glass steel pipeline that will be polished smooth in step one, then
4 layers of glass fabric are wound outside composite solution, the uniform application composite solution again outside glass fabric smears compound molten
The length of liquid and the length of winding glass fabric are 1.7 times i.e. 680mm of broken glass steel pipeline outer diameter D.
Step 4：Reparation pipe in selecting step two, distinguishes uniform application composite solution at its two ends internal thread；
Step 5：Gap one end that the glass steel pipeline in pipe one end and step 3 will be repaired in step 4 socket-connects,
The length for socket-connecting is 1.8 times i.e. 720mm of broken glass steel pipeline outer diameter D；
Step 6：The reparation pipe of mutually socket in step 5 is combined with the socket place uniform application of glass steel pipeline molten
Liquid, if then winding dried layer glass fabric outside composite solution, composite solution is 8mm with the gross thickness of glass fabric,
It is 3.2 times i.e. 1280mm of broken glass steel pipeline outer diameter D that socket place smears composite solution with the length of winding glass fabric；
Step 7：By the other end weight of the gap of the glass steel pipeline in step 4 in the reparation pipe other end and step 3
The operation of multiple step 5 and step 6；
Step 8：The reparation pipe and glass steel pipeline that are connected in step 7 are stood 10 hours, broken glass steel pipeline
Repairing complete.
The present invention is successively connected by repairing the two ends of pipe and glass steel pipeline, solves glass reinforced plastic pipe as filling pipe
When, repairing problem when filling pipe two ends can move；Repair pipe and glass steel wire is connected through a screw thread, in threaded connection place
By the use of composite solution and glass fabric, when solving glass steel pipeline in the case of high pressure and greater impact power,
The problem of cracky after reparation, method is simple, reduces rehabilitation cost.
Claims (5)
1. the double end method for repairing and mending of a kind of glass steel pipeline, it is characterised in that comprise the following steps：
Step one：External diameter is the pretreatment of the broken glass steel pipeline of Dmm, and interception is fallen the breakage of broken glass steel pipeline, made
Glass steel pipeline is disconnected and forms independent two sections, and two sections of glass steel pipeline outer walls are polished light respectively from gap to the other end
Sliding, the polishing length of the two ends outer wall of described glass steel pipeline is no less than 2.3 times of its outer diameter D；
The selection and pretreatment of pipe are repaired, the reparation pipe that selection internal diameter is Dmm~(D+3) mm, wall thickness is 8mm~12mm is used
The two ends for repairing pipe are carried out boring by boring machine；
Step 2：The processing of pipe is repaired, internal thread and external screw thread are cut into the reparation pipe two ends described in step one；
Step 3：The outer wall of the glass steel pipeline for polishing smooth described in step one is distinguished into uniform application composite solution, so
2~4 layers of glass fabric are wound outside composite solution afterwards, the uniform application composite solution again outside glass fabric is described
The length of smearing composite solution and the length of winding glass fabric be no less than 1.3 times of broken glass steel pipeline outer diameter D；
Step 4：Reparation pipe in selecting step two, distinguishes uniform application composite solution at its two ends internal thread；
Step 5：Gap one end of glass steel pipeline in reparation pipe one end described in step 4 and step 3 is nested
Connect, 1.4 times described of the length for socket-connecting no less than broken glass steel pipeline outer diameter D；
Step 6：The reparation pipe of the mutual socket described in step 5 is combined with the socket place uniform application of glass steel pipeline molten
Liquid, if the then winding dried layer glass fabric outside composite solution, described composite solution and the gross thickness of glass fabric
It is 8mm~10mm, described socket place smears composite solution and is no less than broken glass steel pipe with the length of winding glass fabric
2.8 times of line outer diameter D；
Step 7：By the other end of the gap for repairing the glass steel pipeline in the pipe other end and step 3 described in step 4
The operation of repeat step five and step 6；
Step 8：The reparation pipe being connected described in step 7 and glass steel pipeline are stood 8~10 hours, broken glass steel
The repairing of pipeline is completed.
2. the double end method for repairing and mending of a kind of glass steel pipeline according to claim 1, it is characterised in that described is compound molten
The preparation method of liquid is：Take the epoxy resin that mass fraction is 50%~70% and the W93 rings that mass fraction is 30%~50%
Oxygen resin curing agent, is stirred at normal temperatures, is well mixed, and the summation of the mass fraction of described combination of the above thing is
100%.
3. a kind of double end method for repairing and mending of glass steel pipeline according to claim 1, it is characterised in that described step two
In internal thread nominal diameter for (D+4) mm~(D+6) mm, pitch be 1mm~3mm, described externally threaded nominal diameter
For (D+9) mm~(D+12) mm, pitch are 1mm~3mm；Described internal thread and externally threaded length are not less than broken glass
1.4 times of steel pipeline outer diameter D.
4. a kind of double end method for repairing and mending of glass steel pipeline according to claim 1, it is characterised in that described step one
The middle equal boring of internal diameter for repairing pipe is to (D+3) mm~(D+4) mm, boring length no less than the 1.6 of broken glass steel pipeline outer diameter D
Times.
5. a kind of double end method for repairing and mending of glass steel pipeline according to claim 1, it is characterised in that described step one
The surface roughness of middle smooth glass steel pipeline outer wall is 2.5 μm~5 μm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610049018.XA CN105465541B (en) | 2016-01-25 | 2016-01-25 | A kind of double end method for repairing and mending of glass steel pipeline |
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| CN201610049018.XA CN105465541B (en) | 2016-01-25 | 2016-01-25 | A kind of double end method for repairing and mending of glass steel pipeline |
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| CN105465541A CN105465541A (en) | 2016-04-06 |
| CN105465541B true CN105465541B (en) | 2017-07-04 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109140101A (en) * | 2018-10-18 | 2019-01-04 | 中国化学工程第六建设有限公司 | Glass reinforced plastic pipe pipe fitting method |
| CN110645418B (en) * | 2019-10-10 | 2021-07-09 | 中电建十一局工程有限公司 | Connecting method for mounting large-diameter pipeline |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101093043A (en) * | 2007-07-13 | 2007-12-26 | 天津市巨星防腐检测工程有限公司 | Method for repairing and reinforcing corrosive pipeline by using multilaminar high strength composite materials |
| DE202007015701U1 (en) * | 2007-11-10 | 2008-01-24 | Meuth, Michael, Dipl.-Ing. | Device for sectionally wrapping elongated objects |
| CN101413614A (en) * | 2008-11-21 | 2009-04-22 | 大庆油田有限责任公司 | Connecting method for restoring old pipe end head of inner lining glass fiber reinforced plastic by overturn method |
| CN101684879A (en) * | 2008-09-26 | 2010-03-31 | 卡尔冈纳阿普尔布莱德 | Method and tools for connecting, repairing and maintaining insulated line pipes |
| CN203336132U (en) * | 2013-05-28 | 2013-12-11 | 北京管通科技开发有限责任公司 | Expansion joint leakage stopping device |
| CN204717225U (en) * | 2015-06-08 | 2015-10-21 | 松原市辐基斯工程服务有限公司 | A kind of fiber reinforced plastic pipe is damaged and is leaked maintenance unit |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150047768A1 (en) * | 2013-08-19 | 2015-02-19 | Christopher Quinn | Attachment method for securing elements to one another using repair wrap |
-
2016
- 2016-01-25 CN CN201610049018.XA patent/CN105465541B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101093043A (en) * | 2007-07-13 | 2007-12-26 | 天津市巨星防腐检测工程有限公司 | Method for repairing and reinforcing corrosive pipeline by using multilaminar high strength composite materials |
| DE202007015701U1 (en) * | 2007-11-10 | 2008-01-24 | Meuth, Michael, Dipl.-Ing. | Device for sectionally wrapping elongated objects |
| CN101684879A (en) * | 2008-09-26 | 2010-03-31 | 卡尔冈纳阿普尔布莱德 | Method and tools for connecting, repairing and maintaining insulated line pipes |
| CN101413614A (en) * | 2008-11-21 | 2009-04-22 | 大庆油田有限责任公司 | Connecting method for restoring old pipe end head of inner lining glass fiber reinforced plastic by overturn method |
| CN203336132U (en) * | 2013-05-28 | 2013-12-11 | 北京管通科技开发有限责任公司 | Expansion joint leakage stopping device |
| CN204717225U (en) * | 2015-06-08 | 2015-10-21 | 松原市辐基斯工程服务有限公司 | A kind of fiber reinforced plastic pipe is damaged and is leaked maintenance unit |
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