CN117053015A - Construction method for improving pass rate of repairing pipeline by ultraviolet curing method - Google Patents
Construction method for improving pass rate of repairing pipeline by ultraviolet curing method Download PDFInfo
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- CN117053015A CN117053015A CN202311166550.6A CN202311166550A CN117053015A CN 117053015 A CN117053015 A CN 117053015A CN 202311166550 A CN202311166550 A CN 202311166550A CN 117053015 A CN117053015 A CN 117053015A
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- Prior art keywords
- repaired
- pipeline
- lining hose
- rope
- ultraviolet curing
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- 238000001723 curing Methods 0.000 title claims abstract description 65
- 238000010276 construction Methods 0.000 title claims abstract description 25
- 238000007689 inspection Methods 0.000 claims abstract description 27
- 238000012797 qualification Methods 0.000 claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 238000012360 testing method Methods 0.000 claims abstract description 9
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 33
- 238000004140 cleaning Methods 0.000 claims description 4
- 238000005520 cutting process Methods 0.000 claims description 4
- 239000003822 epoxy resin Substances 0.000 claims description 4
- 239000000945 filler Substances 0.000 claims description 4
- 229920000647 polyepoxide Polymers 0.000 claims description 4
- 238000005086 pumping Methods 0.000 claims description 3
- 238000004078 waterproofing Methods 0.000 claims description 3
- 241000519995 Stachys sylvatica Species 0.000 abstract description 4
- 239000012528 membrane Substances 0.000 abstract description 4
- 125000003011 styrenyl group Chemical group [H]\C(*)=C(/[H])C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 abstract description 3
- 238000009435 building construction Methods 0.000 abstract description 2
- 238000007781 pre-processing Methods 0.000 abstract description 2
- 238000009412 basement excavation Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 230000008439 repair process Effects 0.000 description 7
- 239000003365 glass fiber Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 229920005989 resin Polymers 0.000 description 5
- 239000011347 resin Substances 0.000 description 5
- 239000002131 composite material Substances 0.000 description 3
- 238000007373 indentation Methods 0.000 description 3
- 210000004379 membrane Anatomy 0.000 description 3
- 238000003801 milling Methods 0.000 description 3
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 239000008162 cooking oil Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000003599 detergent Substances 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 210000002469 basement membrane Anatomy 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009933 burial Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000016 photochemical curing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/16—Devices for covering leaks in pipes or hoses, e.g. hose-menders
- F16L55/162—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe
- F16L55/163—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe a ring, a band or a sleeve being pressed against the inner surface of the pipe
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The invention relates to the technical field of building construction, in particular to a construction method for improving the qualification rate of a repaired pipeline by an ultraviolet curing method. Comprising the following steps: determining a pipe section to be repaired by ultraviolet light curing; the upstream water inlet pipe orifice and the downstream water outlet pipe orifice of the pipe section to be repaired are plugged by utilizing an air bag; pretreating a pipe section to be repaired; installing a lining hose, wherein the lining hose comprises a traction rope and a bottom film which are led into a pipe section to be repaired by using a rope; pulling the lining hose into the pipeline to be repaired by using a traction rope and a winch; pressurizing and ultraviolet curing the lining hose; and (5) air tightness testing, and finishing construction. Through carrying out careful inspection to the entering inside lining hose, avoid appearing the inhomogeneous phenomenon of hose encapsulating. By preprocessing the original pipeline, the condition of the inner wall of the pipeline is checked for a plurality of times, so that water inflow caused by the damage of the outer membrane is effectively prevented, and a large amount of milky white spots and a large amount of styrene residues are generated.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a construction method for improving the qualification rate of a repaired pipeline by an ultraviolet curing method.
Background
The existing drainage pipeline repairing comprises an excavation repairing technology and a non-excavation repairing technology, wherein the excavation replacing and repairing cost is higher when the urban pipeline is corroded and damaged, the large-scale excavation is not suitable for some luxurious urban areas, environment protection areas or pipelines with deeper burial depths, the non-excavation repairing technology can strengthen the original pipelines in multiple directions to achieve the purpose of improving the performance, the use requirement of a drainage system is met, the excavation workload in the repairing process is greatly reduced, and traffic jam, environmental pollution and resource waste caused by frequent excavation, landfill and laying are avoided.
The ultraviolet curing lining repairing technology is used as one of the integral structural repairing technologies, is suitable for various pipeline defects including pipeline collapse, deformation, dislocation, leakage, corrosion and the like, and is widely used at present due to the factors of small traffic interference, high automation degree in the repairing process, high curing efficiency, high pipeline strength after repairing, long service life, wide applicable pipe diameter range and the like.
The prior art has the following defects: when the existing ultraviolet light is cured, the bonding condition of the glass hose after being inflated with the original pipeline is poor, and the risk of damaging the hose exists at the bulge position of the original pipeline; the existing hose resin infiltration condition is relatively poor in control, and uncured phenomenon exists in individual positions of the pipelines after photo-curing; the problem of water shutoff is not emphasized, so that a large number of 'milky' white spots and glass fiber falling off and exposure phenomena of the cured hose are caused; when the hose is inflated because the hose protection problem is not emphasized when the hose is pulled into the original pipeline, high-pressure air enters the resin glass fiber composite layer and blows away resin, so that the glass fibers are exposed, the materials are layered and the indentation is caused;
therefore, a construction method for improving the qualification rate of repairing pipelines by an ultraviolet curing method is needed to solve the problems.
Disclosure of Invention
In order to solve the problems, the invention provides a construction method for improving the qualification rate of the repaired pipeline by an ultraviolet curing method.
In a first aspect, the invention provides a construction method for improving the qualification rate of repairing a pipeline by an ultraviolet curing method, which adopts the following technical scheme:
a construction method for improving the qualification rate of repairing pipelines by an ultraviolet curing method comprises the following steps:
determining a pipe section to be repaired by ultraviolet light curing;
the upstream water inlet pipe orifice and the downstream water outlet pipe orifice of the pipe section to be repaired are plugged by utilizing an air bag;
pretreating a pipe section to be repaired;
installing a lining hose, wherein the lining hose comprises a traction rope and a bottom film which are led into a pipe section to be repaired by using a rope; pulling the lining hose into the pipeline to be repaired by using a traction rope and a winch;
pressurizing and ultraviolet curing the lining hose;
and (5) air tightness testing, and finishing construction.
Further, the pretreatment of the pipe section to be repaired comprises pumping and cleaning the pipe section to be repaired, and video inspection of the pipe section to be repaired.
Further, the guiding of the haulage rope and the bottom film into the pipe section to be repaired by the rope comprises the guiding of the rope into a pipeline of the pipe section to be repaired by the endoscopic robot, and the guiding of the haulage rope and the bottom film into the pipe section to be repaired by the rope, wherein the bottom film is leaned on the pipeline and the smooth surface of the bottom film faces upwards, the rough surface faces downwards, and the bottom film covers more than 1/3 of the circumference of the pipeline.
Further, the traction rope and the bottom film are led into the pipe section to be repaired by the rope, the bottom film is fixed in the blanking working well through the bottom angle anchor rod, and the traction rope is placed on the bottom film.
Further, the pulling of the lining hose into the pipe to be repaired by the pulling rope and the winch comprises the connection of the pulling rope and the winch, the connection of the winch with two groups of pulleys is achieved, the first group of pulleys is arranged in the initial inspection well, and the second group of pulleys is arranged at the edge of the initial inspection well.
Further, the method comprises the steps of pulling the lining hose into the pipeline to be repaired by using the traction rope and the winch, and further comprises the step of enabling the overlapping surface of the lining hose to face upwards, and continuously pulling the lining hose into the pipeline to be repaired by using the traction rope, the winch and the pulley, wherein the lining hose is guaranteed to slide on the bottom film in the pulling process.
Further, the pressurizing and ultraviolet curing lining hose comprises the steps of placing a lamp source and a fixed telephone rope in an inspection well and continuously pressurizing the lining hose, wherein the lamp source is arranged at the center of the section of the lining hose.
Further, the hose with the lining cured by using the pressurization and ultraviolet light further comprises the step of continuously detecting the temperature of the lamp source in the curing process, so that the temperature is controlled within a threshold range.
Further, the method for curing the lining hose by using the pressurization and ultraviolet light further comprises the steps of cutting off the redundant lining hose after curing is finished, and filling and waterproofing the connection part of the pipeline to be repaired and the normal pipeline by using the epoxy resin filler.
Further, the method for curing the lining hose by using the pressurization and ultraviolet light further comprises the steps of after curing is finished, performing video inspection by using a camera and performing a water-closing test.
In summary, the invention has the following beneficial technical effects:
the ultraviolet light curing repair method in the trenchless repair provided by the invention can effectively relieve the interference to traffic. Meanwhile, the materials used in the ultraviolet curing method are all green and environment-friendly materials. The repair process has high mechanization degree and is easy to construct. The ultraviolet curing construction speed is high, and the length of the curing pipeline is up to 70 meters every day. The material has good performance and high strength, and the service life of the material after repair is as long as 50 years.
Through carrying out careful inspection to the entering inside lining hose, avoid appearing the inhomogeneous phenomenon of hose encapsulating. By preprocessing the original pipeline, the condition of the inner wall of the pipeline is checked for a plurality of times, so that water inflow caused by the damage of the outer membrane is effectively prevented, and a large amount of milky white spots and a large amount of styrene residues are generated.
By providing a carrier film and coating the carrier film with a lubricant (detergent or biodegradable cooking oil), it is ensured that the direction/angle of deflection of the tube when the hose is pulled in does not exceed 15 °, reducing folds. When the lamp source and the curing rope are pulled into the hose, the inner film is prevented from being damaged through uninterrupted pressure maintaining, and large-area pure glass fiber is exposed and indentation along the direction of the pipeline occurs.
Drawings
Fig. 1 is a schematic flow chart of a construction method for improving the qualification rate of repairing a pipeline by an ultraviolet curing method according to an embodiment of the invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example 1
Referring to fig. 1, a construction method for improving the qualification rate of repairing a pipeline by an ultraviolet curing method according to the embodiment includes:
determining a pipe section to be repaired by ultraviolet light curing;
the upstream water inlet pipe orifice and the downstream water outlet pipe orifice of the pipe section to be repaired are plugged by utilizing an air bag;
pretreating a pipe section to be repaired;
installing a lining hose, wherein the lining hose comprises a traction rope and a bottom film which are led into a pipe section to be repaired by using a rope; pulling the lining hose into the pipeline to be repaired by using a traction rope and a winch;
pressurizing and ultraviolet curing the lining hose;
and (5) air tightness testing, and finishing construction.
The pretreatment of the pipe section to be repaired comprises pumping and cleaning the pipe section to be repaired, and performing video inspection on the pipe section to be repaired.
The method comprises the steps that the traction rope and the bottom film are led into a pipe section to be repaired by using the rope, the rope is led into a pipe section to be repaired by using the endoscopic robot, the traction rope and the bottom film are led into the pipe section to be repaired by using the rope, the bottom film is leaned against the pipe, the smooth surface of the bottom film faces upwards, the rough surface faces downwards, and the circumference of the pipe is larger than 1/3 of that of the bottom film.
The traction rope and the bottom film are led into the pipe section to be repaired by the rope, the bottom film is fixed in the blanking working well through the bottom angle anchor rod, and the traction rope is placed on the bottom film.
The method for repairing the inner lining hose comprises the steps of pulling the inner lining hose into a pipeline to be repaired by using a traction rope and a winch, connecting the traction rope with the winch, connecting the winch with two groups of pulleys, wherein the first group of pulleys are arranged in an initial inspection well, and the second group of pulleys are arranged at the edge of the initial inspection well.
The lining hose is pulled into the pipeline to be repaired by the aid of the traction rope and the winch, the lining hose is overlaid upwards, the lining hose is continuously pulled into the pipeline to be repaired by the aid of the traction rope, the winch and the pulleys, and the lining hose is guaranteed to slide on the bottom film in the pulling process.
The pressurizing and ultraviolet curing lining hose comprises a lamp source and a fixed telephone rope which are placed in an inspection well, and continuously pressurizing the lining hose, wherein the lamp source is arranged at the center of the section of the lining hose.
The hose with the lining cured by using the pressurization and ultraviolet light further comprises the step of continuously detecting the temperature of the lamp source in the curing process, so that the temperature is controlled within a threshold range.
The method comprises the steps of pressurizing and ultraviolet curing the lining hose, cutting off the redundant lining hose after curing is finished, and filling and waterproofing the connection part of the pipeline to be repaired and the normal pipeline by using epoxy resin filler.
The method comprises the steps of pressurizing and ultraviolet curing the lining hose, and further comprises the steps of after curing, adopting a camera to carry out video inspection and carrying out a water closing test.
Specifically, the method comprises the following steps:
s1: early preparation: and identifying the video of the completed dredging detection section, providing a detection report, determining the ultraviolet curing repair well section, and preparing repair materials and equipment.
S2: checking a packing list and detecting a hose: checking and detecting the pipe diameter, the length and the thickness of the hose, visually checking the resin infiltration condition of the lining hose, the wall thickness of the lining hose and the production date of the lining hose, and storing the hose in a wooden packing box after checking until the hose is ready to be pulled into a pipeline.
The lining hose comprises an inner film, a glass fiber and resin mixed layer and an outer film (the inner film is high in strength z, toughness and transparency, and the outer film is a multi-layer film) which is used for preventing ultraviolet and styrene from leaking.
S3: plugging and dewatering: and when the pipe section is provided with a branch pipe, the branch pipe is also surveyed and blocked, so that the anhydrous passage in the section to be repaired is ensured during the construction of the lining hose. (how individual branch flows in to be blocked)
S4: pretreatment of a raw pipe: after the plugging is finished, the pipe section is pumped, the barriers, such as roots, foreign matters, fragments and misplaced joints, which are generated in the pipe section and possibly cause the damage to the lining hose, are removed by adopting a manual or milling cutter robot, and after the cleaning is finished, the bottom of the pipeline still has a small amount of water, and the water at the bottom of the pipeline is sucked by adopting the robot to drag the absorbent cotton.
The inner wall of the original pipeline is carefully treated, so that the outer film of the lining hose is not damaged and the outside is free of water, a large number of milky white spots of the pipeline after solidification can be effectively avoided, and a large number of styrene residues exist.
S5: CCTV video inspection: before the lining hose is installed, the pipe section to be repaired is finally checked, and the pipeline is proved to meet all the conditions required by the repair work.
S6: the bottom film is pulled into the pipeline: after the video inspection is finished, guiding a rope into the pipeline by using an endoscopic robot, and pulling the pulling rope and the basement membrane into the repairing pipe section by using the rope; the carrier film should be smooth and face up and rough and face down against the pipe, covering more than 1/3 of the pipe circumference. When the bottom film is pulled in, a swivel is needed to prevent deformation in the pulling-in process of the bottom film, the position of the bottom film is checked after the bottom film is completely pulled in, the bottom film is fixed in a blanking working well through a bottom angle anchor rod after the position is correct, and a traction rope is placed on the bottom film; in addition, for the lining hose with the size of DN150-DN500, the method of pre-installing the reinforcing outer film on the lining hose can be adopted to provide additional protection for the hose, thereby preventing the lining hose from being damaged and resisting the external water in the pulling-in process.
S7: and (3) installing the binding cloth: the end of the lining hose is provided with a head-binding cloth which extends into the pipeline for 20 cm to 25 cm so as to prevent the lining hose from being excessively expanded or broken in the pressurizing process.
S8: pulley and winch installation: the hose is pulled in at least 2 pulleys to assist, the first one is placed in the initial inspection well to ensure that the hose is smoothly pulled in the inspection well, and the second one is placed at the edge of the initial inspection well to ensure that the hose smoothly enters the inspection well; generally, a 5-ton winch is arranged, more than DN1200 is provided with a 10-ton winch, and a hauling rope is connected with the winch.
S9: pulling in the lining hose: the overlapping surface of the hose faces upwards, the lining hose is continuously pulled into the pipeline to be repaired through the traction rope, the winch and the pulley, the hose is ensured to slide on the bottom film in the pulling process, and the yellow outer film is ensured not to be broken.
When the length of the pipeline exceeds 50 meters, the end of the lining hose is wrapped with a bottom film for 0.8-1 meter to provide additional protection, and the end is prevented from being worn due to high traction stress.
The deflection direction and angle of the pipeline are carefully checked in the pulling-in process to be not more than 15 degrees, otherwise, the crease of the cured composite layer is more.
For lining hoses weighing more than 2.0 tons, it is necessary to apply a lubricant (detergent or biodegradable cooking oil) to the installed protective film to reduce friction during traction of the hose
S10: ultraviolet curing preparation: the binding head is arranged at the initial inspection well and is directly arranged in the inner membrane and firmly fixed by 3 binding belts; when the binding head is connected with the compressor and is filled with air, the curing rope is pulled into the lining hose, and after the lining hose is filled at the receiving well, the pre-installed traction rope and the curing rope in the lining hose are replaced. Selecting a lamp source with a proper size according to the diameter of the hose, connecting the lamp source with the curing rope and placing the curing rope into an inspection well; when the lamp source is placed, the lining hose is pressurized all the time, so that the lamp source is placed under the condition that the inner film of the lining hose is not damaged.
To ensure that the lining hose is cured sufficiently uniformly over the entire cross-section, the light source needs to be positioned in a central location. For egg-shaped ducts, lamp wheel extensions must be used, and the ultraviolet lamp with the lamp source upside down needs to be lowered by a mechanical system or an adapter.
The lamp source and the curing rope need to be particularly careful when being pulled into the hose, the inner film can not be damaged, and gas is prevented from being blown into the lining hose which is not completely cured through the damaged part of the inner film when the inflation occurs, so that large-area pure glass fiber yarns can be exposed, and indentation along the direction of a pipeline can occur.
S11: pressurizing and ultraviolet curing: continuously, slowly and gradually pressurizing by using a blower until the operating pressure reaches the specified pressure; the final stage of the pressurization process must use a blower to maintain the operating pressure throughout the curing process.
When the temperature of the lining hose is lower than 10 ℃, the whole pressurizing process needs to be increased for 10-15 minutes, and the pressure is kept for 10 minutes after the operating pressure is reached, so that the lining hose is not damaged when the lamp source is introduced.
In the whole curing process, the running speed of the ultraviolet light source and the temperature measured by the temperature sensor must be continuously checked and recorded. When the temperature of the inner composite layer exceeds 140 ℃, the temperature needs to be lowered. When the temperature is insufficient, the temperature is raised by adopting a mode of reducing the running speed of the lamp source.
S12: removing the binding head, and cutting off the redundant hose: after curing is completed, the hose is cooled for 10-15 minutes to ensure that the hose is completely cured, and then the tie head and inner membrane are removed. After curing is completed, the excess portion of the tube ends is cut off using a cutter. The connection part is filled with an epoxy resin filler to prevent water.
S13: CCTV inspection and air tightness test: and (5) adopting a camera to carry out CCTV video inspection and carrying out a water-closing test.
S14: and (3) restoring the branch pipes: and (3) opening the transverse branch pipe orifice by adopting a milling cutter robot, and removing the fragments of the large solidified materials left in the milling process from the sewer pipeline.
The above embodiments are not intended to limit the scope of the present invention, so: all equivalent changes in structure, shape and principle of the invention should be covered in the scope of protection of the invention.
Claims (10)
1. The construction method for improving the qualification rate of the repaired pipeline by the ultraviolet curing method is characterized by comprising the following steps of:
determining a pipe section to be repaired by ultraviolet light curing;
the upstream water inlet pipe orifice and the downstream water outlet pipe orifice of the pipe section to be repaired are plugged by utilizing an air bag;
pretreating a pipe section to be repaired;
installing a lining hose, wherein the lining hose comprises a traction rope and a bottom film which are led into a pipe section to be repaired by using a rope; pulling the lining hose into the pipeline to be repaired by using a traction rope and a winch;
pressurizing and ultraviolet curing the lining hose;
and (5) air tightness testing, and finishing construction.
2. The construction method for improving the qualification rate of the repaired pipe by the ultraviolet curing method according to claim 1, wherein the pretreatment of the pipe section to be repaired comprises pumping and cleaning the pipe section to be repaired and performing video inspection on the pipe section to be repaired.
3. The construction method for improving the qualification rate of the ultraviolet curing method repaired pipeline according to claim 2, wherein the step of guiding the traction rope and the bottom film into the pipeline to be repaired by using the rope comprises the steps of guiding the rope into the pipeline of the pipeline to be repaired by using an endoscopic robot, and guiding the traction rope and the bottom film into the pipeline to be repaired by using the rope, wherein the bottom film is leaned on the pipeline, the smooth surface of the bottom film faces upwards, the rough surface of the bottom film faces downwards, and the circumference of the pipeline is covered by the bottom film more than 1/3.
4. The construction method for improving the qualification rate of the ultraviolet curing method for repairing the pipeline according to claim 3, wherein the method is characterized in that a traction rope and a bottom film are led into the pipeline section to be repaired by using a rope, the bottom film is fixed in a blanking working well by a bottom angle anchor rod, and the traction rope is placed on the bottom film.
5. The construction method for improving the qualification rate of repairing pipelines by an ultraviolet curing method according to claim 4, wherein the step of pulling the lining hose into the pipeline to be repaired by using the pulling rope and the winch comprises the step of connecting the pulling rope with the winch, wherein the winch is connected with two groups of pulleys, the first group of pulleys are arranged in an initial inspection well, and the second group of pulleys are arranged at the edge of the initial inspection well.
6. The construction method for improving the qualification rate of the ultraviolet curing method for repairing the pipeline according to claim 5, wherein the method is characterized in that the inner lining hose is pulled into the pipeline to be repaired by using a pulling rope and a winch, the overlapping surface of the inner lining hose is upwards, the inner lining hose is continuously pulled into the pipeline to be repaired by using the pulling rope, the winch and a pulley, and the inner lining hose is ensured to slide on a bottom film in the pulling process.
7. The method for improving the qualification rate of a pipeline repaired by an ultraviolet curing method according to claim 6, wherein the pressurizing and ultraviolet curing the lining hose comprises placing a lamp source and a fixed telephone rope in an inspection well and continuously pressurizing the lining hose, wherein the lamp source is arranged at the center of the section of the lining hose.
8. The construction method for improving the qualification rate of the pipeline repaired by the ultraviolet curing method according to claim 7, wherein the method for repairing the pipeline by the ultraviolet curing is characterized by continuously detecting the temperature of a lamp source in the curing process and ensuring that the temperature is controlled within a threshold range.
9. The construction method for improving the qualification rate of the pipeline repaired by the ultraviolet curing method according to claim 8, wherein the method is characterized by further comprising the steps of cutting off the redundant lining hose after curing is finished and filling and waterproofing the connection part of the pipeline to be repaired and the normal pipeline by using epoxy resin filler.
10. The construction method for improving the qualification rate of the pipeline repaired by the ultraviolet curing method according to claim 9, wherein the method for repairing the pipeline by the ultraviolet curing method is characterized by further comprising the steps of performing video inspection by a camera after curing is finished and performing a water-blocking test.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311166550.6A CN117053015A (en) | 2023-09-11 | 2023-09-11 | Construction method for improving pass rate of repairing pipeline by ultraviolet curing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311166550.6A CN117053015A (en) | 2023-09-11 | 2023-09-11 | Construction method for improving pass rate of repairing pipeline by ultraviolet curing method |
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| CN117053015A true CN117053015A (en) | 2023-11-14 |
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| CN202311166550.6A Pending CN117053015A (en) | 2023-09-11 | 2023-09-11 | Construction method for improving pass rate of repairing pipeline by ultraviolet curing method |
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| Country | Link |
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| CN (1) | CN117053015A (en) |
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- 2023-09-11 CN CN202311166550.6A patent/CN117053015A/en active Pending
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