CN105465541A - Double-headed repairing method of glass steel pipeline - Google Patents
Double-headed repairing method of glass steel pipeline Download PDFInfo
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- CN105465541A CN105465541A CN201610049018.XA CN201610049018A CN105465541A CN 105465541 A CN105465541 A CN 105465541A CN 201610049018 A CN201610049018 A CN 201610049018A CN 105465541 A CN105465541 A CN 105465541A
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- glass steel
- steel pipeline
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- composite solution
- pipe
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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)
- Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a double-headed repairing method of a glass steel pipeline. The method comprises the steps that a broken glass steel pipeline is pretreated, repairing pipes are pretreated, and internal threads and external threads are machined on the repairing pipes; the repairing pipes are connected with the two fractures of the glass steel pipeline respectively through glass fiber cloth and a composite solution; standing is conducted for 8-10 h, and normal use is achieved. According to the double-headed repairing method of the glass steel pipeline, the repairing pipes are connected with the two ends of the glass steel pipeline successively, and the repairing problem occurring when a glass steel pipe is used as a water injecting pipeline and the two ends of the water injecting pipeline can move is solved; the repairing pipes are connected with the glass steel pipeline through the threads, the composite solution and the glass fiber cloth are used on the threaded connection parts, the problem that the glass steel pipeline is prone to breakage after being repaired under the situation of high pressure and larger impact force is solved, the method is simple, and the repair cost is reduced.
Description
Technical field
The invention belongs to the method for repairing and mending technical field of Glass Steel Tube, be specifically related to a kind of double end method for repairing and mending of glass steel pipeline.
Background technique
Glass Steel Tube, as a kind of novel reinforcing material, has the hardness of glass, high temperature resistant, erosion-resisting character, has again the equally hard not broken feature of iron and steel, have very broad application market.In recent years, along with the extensive use of water injection technology in petroleum production industry, in filling pipe selection, Glass Steel Tube becomes a kind of important instrument.
Due to long-term high pressure and stronger water flow impact pressure need be met when filling pipe uses, the damaged repair mode of Glass Steel Tube generally has three kinds: one to be that leak source is less, when rule of surface, the method of son of checking card can be adopted, this method need not stop production, construct simple and quick, but Applicable scope is less; Two be its surface failure not at ordinary times, adopt glass fiber cloth to be wound around, carry out sticky benefit with composite solution, execute the thorough emptying of man-hour requirement, environmental drying, be repeatedly wound around and bond composite solution and wait solidifying 12 hours, but under high pressure cracky after repairing; Three be leak source larger when, carry out cutting replace tubes, according to the situation of breakage, cut the glass steel pipeline of certain length, carry out frosted at pipeline two ends, use winding method connecting line, this kind of repairing method connecting line place easily produces leak source, needs repeatedly to repair, causes rehabilitation cost higher.
Summary of the invention
The object of this invention is to provide a kind of double end method for repairing and mending of glass steel pipeline, solve cracky after repairing in existing glass steel pipeline restorative procedure, the problem that rehabilitation cost is higher.
The technological scheme that the double end method for repairing and mending of a kind of glass steel pipeline of the present invention adopts comprises the following steps:
Step one: external diameter is the pretreatment of the broken glass steel pipeline of Dmm, intercept the breakage spot of broken glass steel pipeline, glass steel pipeline is disconnected and forms independently two sections, polished smooth respectively from gap to the other end by two sections of glass steel pipeline outer walls, the polishing length of the two ends outer wall of glass steel pipeline is all no less than 2.3 times of its outer diameter D;
Repair choosing and pretreatment of pipe, choose the reparation pipe that internal diameter is Dmm ~ (D+3) mm, wall thickness is 8mm ~ 12mm, use boring machine that boring is carried out at the two ends of repairing pipe;
Step 2: the processing of repairing pipe, cuts internal thread and outside thread by repairing pipe two ends in step one;
Step 3: the outer wall of the glass steel pipeline polished smooth in step one is distinguished uniform application composite solution, then 2 ~ 4 layers of glass fiber cloth are wound around in composite solution outside, the uniform application composite solution again in glass fiber cloth outside, the length of smearing composite solution and the length being wound around glass fiber cloth are all no less than 1.3 times of broken glass steel pipeline outer diameter D;
Step 4: the reparation pipe in selecting step two, at its internal thread place, two ends difference uniform application composite solution;
Step 5: the gap one end of the glass steel pipeline repaired in step 4 in pipe one end and step 3 is socket-connected, the length socket-connected is no less than 1.4 times of broken glass steel pipeline outer diameter D;
Step 6: by the reparation pipe of socket mutual in step 5 and the socket place uniform application composite solution of glass steel pipeline, then some layers of glass fiber cloth are wound around in composite solution outside, the total thickness of composite solution and glass fiber cloth is 8mm ~ 10mm, and socket place is smeared composite solution and is wound around 2.8 times that the length of glass fiber cloth is no less than broken glass steel pipeline outer diameter D;
Step 7: the operation the other end of the gap of the glass steel pipeline repaired in step 4 in the pipe the other end and step 3 being repeated step 5 and step 6;
Step 8: the reparation pipe be connected in step 7 and glass steel pipeline are left standstill 8 ~ 10 hours, and the repairing of broken glass steel pipeline completes.
Feature of the present invention is also,
The preparation method of composite solution is: get mass fraction be 50% ~ 70% epoxy resin and mass fraction be 30% ~ 50% W93 epoxy curing agent, stir at normal temperatures, mix, the summation of the mass fraction of above composition is 100%.
The nominal diameter of the internal thread in step 2 is (D+4) mm ~ (D+6) mm, pitch is 1mm ~ 3mm, and externally threaded nominal diameter is (D+9) mm ~ (D+12) mm, pitch is 1mm ~ 3mm; Internal thread and externally threaded length are all not less than 1.4 times of broken glass steel pipeline outer diameter D.
The equal boring of internal diameter of repairing pipe in step one to (D+3) mm ~ (D+4) mm, boring length is no less than 1.6 times of broken glass steel pipeline outer diameter D.
In step one, the surface roughness of smooth glass steel pipeline outer wall is 2.5 μm ~ 5 μm.
The invention has the beneficial effects as follows: the double end method for repairing and mending of a kind of glass steel pipeline of the present invention is successively connected with the two ends of glass steel pipeline by repairing pipe, when solving Glass Steel Tube as filling pipe, repairing problem when filling pipe two ends can be moved; Reparation pipe and glass steel wire are threaded connection, in threaded connection place by the use of composite solution and glass fiber cloth, when solving glass steel pipeline when high pressure and greater impact power, the problem of cracky after repairing, method is simple, decreases rehabilitation cost.
Embodiment
Below by embodiment, the present invention is described in detail.
Embodiment 1
The preparation of composite solution: get mass fraction be 50% epoxy resin and mass fraction be 50% W93 epoxy curing agent, stir at normal temperatures, mix.
Step one: the pretreatment of external diameter to be D the be broken glass steel pipeline of 100mm, intercept the breakage spot of broken glass steel pipeline, glass steel pipeline is disconnected and forms independently two sections, two sections of glass steel pipeline outer walls are polished smooth from gap respectively to the other end, the roughness of its outer wall is made to be 2.5 μm, the polishing length of the two ends outer wall of glass steel pipeline is 2.3 times of its outer diameter D i.e. 230mm, glass steel pipeline after grinding process, convenient in use with composite solution, the fitting tightly of glass fiber cloth;
Repair choosing and pretreatment of pipe, choose the reparation pipe that internal diameter is 100mm, wall thickness is 8mm, using boring machine to carry out boring by repairing the two ends of pipe, making the equal boring of internal diameter at reparation pipe two ends to 103mm, boring length be 1.6 times of broken glass steel pipeline outer diameter D i.e. 160mm.
Step 2: the processing of repairing pipe, internal thread and outside thread is cut by repairing pipe two ends in step one, the nominal diameter of the internal thread cut is 104mm, pitch is 1mm, externally threaded nominal diameter is 109mm, pitch is 1mm, internal thread and externally threaded length are 1.4 times of broken glass steel pipeline outer diameter D i.e. 140mm, the processing of internal thread makes reparation pipe and the damaged firm pipeline of glass can increase frictional force after socket, prevents slippage.
Step 3: the outer wall of the glass steel pipeline polished smooth in step one is distinguished uniform application composite solution, then 2 layers of glass fiber cloth are wound around in composite solution outside, the uniform application composite solution again in glass fiber cloth outside, smear the length of composite solution and be wound around the length of glass fiber cloth and be 1.3 times of broken glass steel pipeline outer diameter D i.e. 130mm, the use of glass fiber cloth and composite solution can impel repairs pipe and the damaged firm pipeline of glass fitting tightly when being socketed.
Step 4: the reparation pipe in selecting step two, at its internal thread place, two ends difference uniform application composite solution.
Step 5: socket-connected the gap one end of the glass steel pipeline repaired in step 4 in pipe one end and step 3, the length socket-connected is 1.4 times of broken glass steel pipeline outer diameter D is 140mm.
Step 6: by the reparation pipe of socket mutual in step 5 and the socket place uniform application composite solution of glass steel pipeline, then some layers of glass fiber cloth are wound around in composite solution outside, the total thickness of composite solution and glass fiber cloth is 8mm, and it is 2.8 times of broken glass steel pipeline outer diameter D i.e. 280mm that socket place smears composite solution with being wound around the length of glass fiber cloth; Reuse glass fiber cloth and composite solution in outside after socket terminates, can effectively prevent from use occurring the problem such as slippage, leakage.
Step 7: the operation the other end of the gap of the glass steel pipeline repaired in step 4 in the pipe the other end and step 3 being repeated step 5 and step 6.
Step 8: the reparation pipe be connected in step 7 and glass steel pipeline are left standstill 8 hours, and the repairing of broken glass steel pipeline completes.
Embodiment 2
The preparation of composite solution: get mass fraction be 60% epoxy resin and mass fraction be 40% W93 epoxy curing agent, stir at normal temperatures, mix.
Step one: the pretreatment of external diameter to be D the be broken glass steel pipeline of 200mm, intercept the breakage spot of broken glass steel pipeline, glass steel pipeline is disconnected and forms independently two sections, two sections of glass steel pipeline outer walls are polished smooth from gap respectively to the other end, make the roughness of its outer wall be 4 μm, the polishing length of the two ends outer wall of glass steel pipeline is 2.5 times of its outer diameter D i.e. 500mm;
Repair choosing and pretreatment of pipe, choose the reparation pipe that internal diameter is 202mm, wall thickness is 10mm, using boring machine to carry out boring by repairing the two ends of pipe, making the equal boring of internal diameter at reparation pipe two ends to 103.5mm, boring length be 1.8 times of broken glass steel pipeline outer diameter D i.e. 360mm.
Step 2: the processing of repairing pipe, internal thread and outside thread is cut by repairing pipe two ends in step one, the nominal diameter of the internal thread cut is 205mm, pitch is 2mm, externally threaded nominal diameter is 210mm, pitch is 2mm, and internal thread and externally threaded length are 1.6 times of broken glass steel pipeline outer diameter D i.e. 320mm.
Step 3: the outer wall of the glass steel pipeline polished smooth in step one is distinguished uniform application composite solution, then 3 layers of glass fiber cloth are wound around in composite solution outside, the uniform application composite solution again in glass fiber cloth outside, the length of smearing composite solution and the length being wound around glass fiber cloth are 1.5 times of broken glass steel pipeline outer diameter D i.e. 300mm.
Step 4: the reparation pipe in selecting step two, at its internal thread place, two ends difference uniform application composite solution;
Step 5: the gap one end of the glass steel pipeline repaired in step 4 in pipe one end and step 3 is socket-connected, the length socket-connected is 1.6 times of broken glass steel pipeline outer diameter D is 320mm;
Step 6: by the reparation pipe of socket mutual in step 5 and the socket place uniform application composite solution of glass steel pipeline, then some layers of glass fiber cloth are wound around in composite solution outside, the total thickness of composite solution and glass fiber cloth is 9mm, and it is 3 times of broken glass steel pipeline outer diameter D i.e. 600mm that socket place smears composite solution with being wound around the length of glass fiber cloth;
Step 7: the operation the other end of the gap of the glass steel pipeline repaired in step 4 in the pipe the other end and step 3 being repeated step 5 and step 6;
Step 8: the reparation pipe be connected in step 7 and glass steel pipeline are left standstill 9 hours, and the repairing of broken glass steel pipeline completes.
Embodiment 3
The preparation of composite solution: get mass fraction be 70% epoxy resin and mass fraction be 30% W93 epoxy curing agent, stir at normal temperatures, mix.
Step one: the pretreatment of external diameter to be D the be broken glass steel pipeline of 400mm, intercept the breakage spot of broken glass steel pipeline, glass steel pipeline is disconnected and forms independently two sections, two sections of glass steel pipeline outer walls are polished smooth from gap respectively to the other end, make the roughness of its outer wall be 5 μm, the polishing length of the two ends outer wall of glass steel pipeline is 2.7 times of its outer diameter D i.e. 1080mm;
Repair choosing and pretreatment of pipe, choose the reparation pipe that internal diameter is 403mm, wall thickness is 12mm, using boring machine to carry out boring by repairing the two ends of pipe, making the equal boring of internal diameter at reparation pipe two ends to 404mm, boring length be 2 times of broken glass steel pipeline outer diameter D i.e. 800mm.
Step 2: the processing of repairing pipe, internal thread and outside thread is cut by repairing pipe two ends in step one, the nominal diameter of the internal thread cut is 406mm, pitch is 3mm, externally threaded nominal diameter is 412mm, pitch is 3mm, and internal thread and externally threaded length are 1.8 times of broken glass steel pipeline outer diameter D i.e. 720mm.
Step 3: the outer wall of the glass steel pipeline polished smooth in step one is distinguished uniform application composite solution, then 4 layers of glass fiber cloth are wound around in composite solution outside, the uniform application composite solution again in glass fiber cloth outside, the length of smearing composite solution and the length being wound around glass fiber cloth are 1.7 times of broken glass steel pipeline outer diameter D i.e. 680mm.
Step 4: the reparation pipe in selecting step two, at its internal thread place, two ends difference uniform application composite solution;
Step 5: the gap one end of the glass steel pipeline repaired in step 4 in pipe one end and step 3 is socket-connected, the length socket-connected is 1.8 times of broken glass steel pipeline outer diameter D is 720mm;
Step 6: by the reparation pipe of socket mutual in step 5 and the socket place uniform application composite solution of glass steel pipeline, then some layers of glass fiber cloth are wound around in composite solution outside, the total thickness of composite solution and glass fiber cloth is 8mm, and it is 3.2 times of broken glass steel pipeline outer diameter D i.e. 1280mm that socket place smears composite solution with being wound around the length of glass fiber cloth;
Step 7: the operation the other end of the gap of the glass steel pipeline repaired in step 4 in the pipe the other end and step 3 being repeated step 5 and step 6;
Step 8: the reparation pipe be connected in step 7 and glass steel pipeline are left standstill 10 hours, and the repairing of broken glass steel pipeline completes.
The present invention is successively connected with the two ends of glass steel pipeline by repairing pipe, when solving Glass Steel Tube as filling pipe, and repairing problem when filling pipe two ends can be moved; Reparation pipe and glass steel wire are threaded connection, in threaded connection place by the use of composite solution and glass fiber cloth, when solving glass steel pipeline when high pressure and greater impact power, the problem of cracky after repairing, method is simple, decreases rehabilitation cost.
Claims (5)
1. a double end method for repairing and mending for glass steel pipeline, is characterized in that, comprise the following steps:
Step one: external diameter is the pretreatment of the broken glass steel pipeline of Dmm, intercept the breakage spot of broken glass steel pipeline, glass steel pipeline is disconnected and forms independently two sections, polished smooth respectively from gap to the other end by two sections of glass steel pipeline outer walls, the polishing length of the two ends outer wall of described glass steel pipeline is all no less than 2.3 times of its outer diameter D;
Repair choosing and pretreatment of pipe, choose the reparation pipe that internal diameter is Dmm ~ (D+3) mm, wall thickness is 8mm ~ 12mm, use boring machine that boring is carried out at the two ends of repairing pipe;
Internal thread and outside thread are cut in reparation pipe two ends described in step one by step 2: the processing of repairing pipe;
Step 3: by the outer wall of the glass steel pipeline polished smooth described in step one uniform application composite solution respectively, then 2 ~ 4 layers of glass fiber cloth are wound around in composite solution outside, the uniform application composite solution again in glass fiber cloth outside, the described length of smearing composite solution and the length being wound around glass fiber cloth are all no less than 1.3 times of broken glass steel pipeline outer diameter D;
Step 4: the reparation pipe in selecting step two, at its internal thread place, two ends difference uniform application composite solution;
Step 5: gap one end of the glass steel pipeline in the reparation pipe one end described in step 4 and step 3 is socket-connected, the described length socket-connected is no less than 1.4 times of broken glass steel pipeline outer diameter D;
Step 6: by the socket place uniform application composite solution of the reparation pipe of the mutual socket described in step 5 and glass steel pipeline, then some layers of glass fiber cloth are wound around in composite solution outside, described composite solution and the total thickness of glass fiber cloth are 8mm ~ 10mm, and described socket place is smeared composite solution and is wound around 2.8 times that the length of glass fiber cloth is no less than broken glass steel pipeline outer diameter D;
Step 7: the operation the other end of the gap of the glass steel pipeline in the reparation pipe the other end described in step 4 and step 3 being repeated step 5 and step 6;
Step 8: the reparation pipe be connected described in step 7 and glass steel pipeline are left standstill 8 ~ 10 hours, and the repairing of broken glass steel pipeline completes.
2. the double end method for repairing and mending of a kind of glass steel pipeline according to claim 1, it is characterized in that, the preparation method of described composite solution is: get mass fraction be 50% ~ 70% epoxy resin and mass fraction be 30% ~ 50% W93 epoxy curing agent, stir at normal temperatures, mix, the summation of the mass fraction of described above composition is 100%.
3. the double end method for repairing and mending of a kind of glass steel pipeline according to claim 1, it is characterized in that, the nominal diameter of the internal thread in described step 2 is (D+4) mm ~ (D+6) mm, pitch is 1mm ~ 3mm, and described externally threaded nominal diameter is (D+9) mm ~ (D+12) mm, pitch is 1mm ~ 3mm; Described internal thread and externally threaded length are all not less than 1.4 times of broken glass steel pipeline outer diameter D.
4. the double end method for repairing and mending of a kind of glass steel pipeline according to claim 1, it is characterized in that, the equal boring of internal diameter of repairing pipe in described step one to (D+3) mm ~ (D+4) mm, boring length is no less than 1.6 times of broken glass steel pipeline outer diameter D.
5. the double end repairing method with welding of a kind of glass steel pipeline according to claim 1, is characterized in that, in described step one, the surface roughness of smooth glass steel pipeline outer wall is 2.5 μm ~ 5 μm.
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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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Cited By (2)
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| 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 |
| CN110645418A (en) * | 2019-10-10 | 2020-01-03 | 中电建十一局工程有限公司 | Connecting method for mounting large-diameter pipeline |
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| 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 |
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| CN105465541B (en) | 2017-07-04 |
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