CN115076508B - Water supply steel pipe welding seam leakage repairing method - Google Patents
Water supply steel pipe welding seam leakage repairing method Download PDFInfo
- Publication number
- CN115076508B CN115076508B CN202210696470.0A CN202210696470A CN115076508B CN 115076508 B CN115076508 B CN 115076508B CN 202210696470 A CN202210696470 A CN 202210696470A CN 115076508 B CN115076508 B CN 115076508B
- Authority
- CN
- China
- Prior art keywords
- steel pipe
- water supply
- water
- water stop
- arc
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
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
- F16L55/168—Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe
- F16L55/1683—Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe by means of a patch which is fixed on the wall of the pipe by means of an adhesive, a weld or the like
-
- 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
- F16L55/168—Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe
- F16L55/17—Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe by means of rings, bands or sleeves pressed against the outside surface of the pipe or hose
- F16L55/172—Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe by means of rings, bands or sleeves pressed against the outside surface of the pipe or hose the ring, band or sleeve being tightened by a tangentially arranged threaded pin and a nut
-
- 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
- F16L55/168—Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe
- F16L55/175—Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe by using materials which fill a space around the pipe before hardening
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pipe Accessories (AREA)
Abstract
The invention discloses a water supply steel pipe welding seam leakage repairing method, which comprises the following steps: a leakage point water stop bar is stuck around the leakage point of the welding seam of the water supply steel pipe, the arc-shaped plate is stuck with the leakage point water stop bar, and the hoop is sleeved on the arc-shaped plate and the water supply steel pipe; the two sides of the arc plate are respectively stuck with a hoop water stop strip, the semicircular hoops are stuck with the hoop water stop strips, and the two semicircular hoops are connected through bolts; injecting resin slurry into the grouting holes of the semicircular hoops, observing whether the grouting holes of the semicircular hoops are grouted or not, and stopping injecting the resin slurry after grouting the grouting holes; the solidified resin slurry, the arc plate, the semicircular anchor ear and the two anchor ear water stop bars form a permanent water stop measure for the leakage point of the welding seam of the water supply steel pipe. The invention has convenient construction and can reduce the period of water cut-off; simultaneously, repair material is simple and easy to store, the simple operation, the stagnant water is effectual.
Description
Technical Field
The invention belongs to the technical field of water supply steel pipe repair, and particularly relates to a water supply steel pipe weld leakage repair method.
Background
After the water supply steel pipe is leaked, valves on two sides of the leaked pipeline are closed, water in the pipeline is drained, and then the pipeline is welded again for repair and is painted again for corrosion prevention. The following disadvantages exist for larger diameter water supply steel pipes: (1) Valve wells are required to be preset at two sides of the leakage pipeline, and drainage conditions are provided at the periphery of the leakage pipeline; (2) For a large-scale pipeline, a manhole is arranged on the pipeline, so that personnel can conveniently enter the pipeline for welding and flushing; (3) the welding has an influence on corrosion resistance and needs to be repeatedly painted; (4) For the important single-pipe water supply condition, the pipe repair can cause long-time water cut-off, and the water supply guarantee is greatly influenced.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a water supply steel pipe welding seam leakage repairing method aiming at the defects of the prior art, wherein the water supply steel pipe welding seam leakage repairing method utilizes an externally attached arc plate to temporarily stop water, utilizes a semicircular anchor ear to seal leakage welding seam and injects resin slurry between the arc plate and the semicircular anchor ear to form sealed water stop; in the repair process of the water supply steel pipe welding seam leakage, when only the arc-shaped plate is used for temporary water stopping, valves on two sides of the leakage pipeline are required to be closed temporarily, water in the pipeline is in a non-bearing state, other repair implementation processes can keep a normal water-supplying state, water is stopped in a short time, and the influence on water supply guarantee is small.
In order to achieve the technical purpose, the invention adopts the following technical scheme:
a water supply steel pipe welding seam leakage repairing method comprises the following steps:
(1) Temporary water stopping measures: a leakage point water stop bar is stuck around the leakage point of the welding seam of the water supply steel pipe, the arc-shaped plate is stuck with the leakage point water stop bar, and the hoop is sleeved on the arc-shaped plate and the water supply steel pipe, so that the arc-shaped plate is tightly pressed on the leakage point water stop bar;
(2) Resin grouting conditions: the hoop water stop strips are adhered to the two sides of the arc-shaped plate and are adhered to the outer wall of the circumference of the water supply steel pipe, and the semicircular hoops are adhered to the hoop water stop strips and are connected with the two semicircular hoops, so that the semicircular hoops press the hoop water stop strips and are fixed on the water supply steel pipe;
(3) Permanent water stopping measures: injecting resin slurry into the semicircular anchor ear from a grouting hole formed in the upper part of the semicircular anchor ear, so that the resin slurry is ensured to be filled among the arc-shaped plate, the semicircular anchor ear, the leakage point water stop bar and the anchor ear water stop bar; the solidified resin slurry, the arc plate, the semicircular anchor ear and the two anchor ear water stop bars form a permanent water stop measure for the leakage point of the welding seam of the water supply steel pipe.
As a further improved technical scheme of the invention, the upper part of the semicircular anchor ear is provided with the grout outlet hole, when resin grout is injected into the semicircular anchor ear, whether the grout outlet hole is used for discharging the grout or not is observed, and the injection of the resin grout is stopped after the grout outlet hole is used for discharging the grout, so that the resin grout is fully filled among the arc plate, the semicircular anchor ear, the leakage point water stop bar and the anchor ear water stop bar.
As a further improved technical scheme of the invention, the leakage point water stop strip is annular.
As a further improved technical scheme of the invention, the hoop water stop strip is in a ring shape.
As a further improved technical scheme of the invention, two hoops are provided and are annular.
As a further improved technical scheme of the invention, the two semicircular hoops are connected with each other through bolts so as to form a full circle hoop.
As a further improved technical scheme of the invention, one end part of one semicircular anchor ear is provided with a grouting hole, and the other end part of the other semicircular anchor ear is provided with a grouting hole.
As a further improved technical scheme of the invention, the arc-shaped plate is an arc-shaped steel plate.
The beneficial effects of the invention are as follows:
the invention is characterized in that leakage point water-stopping strips are attached to the periphery of a welding seam leakage point of a water supply steel pipe, an arc-shaped steel plate is attached to the leakage point water-stopping strips attached to the periphery of the welding seam leakage point and is tightly pressed and fixed on the water supply steel pipe through a strap so as to form a temporary water-stopping measure; the two sides of the arc-shaped steel plate are adhered with hoop water stop strips along the outer wall of the water supply steel pipe, and the semicircular hoops are adhered with the hoop water stop strips and are pressed and fixed on the water supply steel pipe through bolts to form a resin grouting condition; injecting resin slurry into the grouting holes, and observing whether the grouting holes are grouted or not so as to ensure that the arc-shaped steel plates, the semicircular anchor clamps, the leakage point water stop bars and the anchor clamp water stop bars are full of the resin slurry; after the resin slurry is solidified, a permanent water stopping measure is formed at the leakage position of the welding seam of the water supply steel pipe together with the arc-shaped steel plate and the semicircular anchor ear.
The invention uses the externally-attached arc-shaped steel plate to temporarily stop water; sealing the leakage welding seam by using a semicircular hoop, and injecting resin slurry between the arc-shaped steel plate and the semicircular hoop to form sealing water stop; in the repairing process of the water supply steel pipe welding seam leakage, when only the arc-shaped steel plate is used for temporary water stopping, valves on two sides of the leakage pipeline are required to be closed temporarily, water in the pipeline is in a non-bearing state, and other repairing processes can keep a normal water-through state. The whole process does not need to drain water; personnel repair outside the pipeline; the welding seam leakage is repaired by a non-welding method, and repeated painting is not needed; when the temporary water stop is implemented, only the temporary water stop is needed, the water can be normally supplied in other restoration implementation processes, the water is stopped in a short time, and the influence on water supply guarantee is small.
The invention has convenient construction and can reduce the period of water cut-off; simultaneously, repair material is simple and easy to store, the simple operation, the stagnant water is effectual.
Drawings
Fig. 1 is an elevational schematic of an example of the invention.
Fig. 2 is a section A-A of fig. 1.
Fig. 3 is a sectional view of B-B in fig. 1.
Detailed Description
The following is a further description of embodiments of the invention, with reference to the accompanying drawings:
as shown in fig. 1 to 3, this embodiment provides a water supply steel pipe welding seam leakage repair structure, including water supply steel pipe 1 water supply steel pipe, welding seam leakage point 2, arc 3, leakage point water-stop 4, band 5, semicircle staple bolt 6, staple bolt water-stop 7, bolt 8, resin thick liquid 9, there is welding seam leakage point 2 in water supply steel pipe 1's welding seam department, paste around welding seam leakage point 2 is equipped with leakage point water-stop 4, arc 3 compresses tightly on the leakage point water-stop 4 that paste around welding seam leakage point 2 was established through band 5, band 5 cover makes arc 3 compress tightly leakage point water-stop 4 on water supply steel pipe 1 and arc 3, the both sides of arc 3 all are equipped with staple bolt water-stop 7, and the subsides of staple bolt water-stop 7 are established along water supply steel pipe 1 circumference outer wall, and two semicircle staple bolts 6 pass through bolt 8 interconnect and then make semicircle staple bolt 6 compress tightly water-stop 7 and fix on water supply steel pipe 1, semicircle staple bolt 6 has seted up on the band 6 and has flowed into resin thick liquid 10 from the inside of semicircle staple bolt 6 and has flowed out grout 10 to make grouting 10 outside from inside 10.
In this embodiment, the leakage point water stop strip 4 is in a ring shape and is attached to the periphery of the welding seam leakage point 2.
In this embodiment, the hoop water stop strip 7 is in a ring shape and is attached to the water supply steel pipe 1.
In this embodiment, two hoops 5 are annular and are sleeved on the water supply steel pipe 1 and the arc plate 3.
In this embodiment, as shown in fig. 2, a grouting hole 10 is formed at one end of one of the semicircular hoops 6, and a grouting hole 11 is formed at one end of the other semicircular hoop 6.
In this embodiment, the arc plate 3 is an arc steel plate.
The temporary water stopping measure consists of an arc-shaped steel plate, a leakage point water stopping strip 4 and a hoop 5; the resin grouting implementation condition is developed after the semicircular anchor ear 6, the anchor ear water stop bar 7 and the bolt 8 are implemented; the resin slurry 9 is injected through the grouting holes 10 and is filled with the resin slurry, and the resin slurry 9 is solidified to form a permanent water stopping measure after the resin slurry is discharged through the slurry outlet holes 11.
The embodiment also provides a water supply steel pipe welding seam leakage repairing method, as shown in fig. 1 to 3, comprising the following steps:
(1) Temporary water stopping measures: a leakage point water stop strip 4 is stuck around the welding seam leakage point 2 of the water supply steel pipe 1, the arc plate 3 is stuck with the leakage point water stop strip 4, and the hoop 5 is sleeved on the arc plate 3 and the water supply steel pipe 1 so as to enable the arc plate 3 to be tightly pressed on the leakage point water stop strip 4;
(2) Resin grouting conditions: the two sides of the arc plate 3 are respectively stuck with a hoop water stop strip 7, the hoop water stop strips 7 are stuck along the circumferential outer wall of the water supply steel pipe 1, the semicircular hoops 6 are stuck with the hoop water stop strips 7, and the two semicircular hoops 6 are connected through bolts 8, so that the semicircular hoops 6 press the hoop water stop strips 7, and the semicircular hoops 6 are fixed on the water supply steel pipe 1;
(3) Permanent water stopping measures: injecting resin slurry 9 into the grouting holes 10 of the semicircular hoops 6, observing whether the slurry outlet holes 11 of the semicircular hoops 6 flow out of the resin slurry 9, stopping injecting the resin slurry 9 after the slurry outlet holes 11 flow out of the resin slurry 9, and accordingly ensuring that the resin slurry 9 is filled among the arc plates 3, the semicircular hoops 6, the leakage point water stop strips 4 and the hoop water stop strips 7; the solidified resin slurry 9, the arc plate 3, the semicircular anchor ear 6 and the two anchor ear water stop bars 7 form a permanent water stop measure for the welding seam leakage point 2 of the water supply steel pipe 1.
The scope of the present invention includes, but is not limited to, the above embodiments, and any alterations, modifications, and improvements made by those skilled in the art are intended to fall within the scope of the invention.
Claims (6)
1. A water supply steel pipe welding seam leakage repairing method is characterized in that: the method comprises the following steps:
(1) Temporary water stopping measures: a leakage point water stop bar is stuck around the leakage point of the welding seam of the water supply steel pipe, the arc-shaped plate is stuck with the leakage point water stop bar, and the hoop is sleeved on the arc-shaped plate and the water supply steel pipe, so that the arc-shaped plate is tightly pressed on the leakage point water stop bar;
(2) Resin grouting conditions: the hoop water stop strips are adhered to the two sides of the arc-shaped plate and are adhered to the outer wall of the circumference of the water supply steel pipe, and the semicircular hoops are adhered to the hoop water stop strips and are connected with the two semicircular hoops, so that the semicircular hoops press the hoop water stop strips and are fixed on the water supply steel pipe; one end part of one semicircular anchor ear is provided with a grouting hole, and one end part of the other semicircular anchor ear is provided with a grouting hole;
(3) Permanent water stopping measures: injecting resin slurry into the semicircular anchor ear from a grouting hole formed in the upper part of the semicircular anchor ear, so that resin slurry is filled among the arc plate, the semicircular anchor ear, the leakage point water stop bar and the anchor ear water stop bar; the solidified resin slurry, the arc-shaped plate, the semicircular anchor ear and the two anchor ear water stop bars form a permanent water stop measure of a water supply steel pipe welding seam leakage point;
when resin grout is injected into the semicircular anchor ear, whether grout outlet holes are used for discharging grout or not is observed, and the injection of the resin grout is stopped after the grout outlet holes are used for discharging grout, so that the resin grout is fully filled among the arc-shaped plate, the semicircular anchor ear, the leakage point water stop bar and the anchor ear water stop bar.
2. The water supply steel pipe weld leakage repairing method according to claim 1, wherein: the leakage point water stop bar is annular.
3. The water supply steel pipe weld leakage repairing method according to claim 1, wherein: the hoop water stop strip is in a ring shape.
4. The water supply steel pipe weld leakage repairing method according to claim 1, wherein: the number of the hoops is two, and the hoops are annular.
5. The water supply steel pipe weld leakage repairing method according to claim 1, wherein: the two semicircular hoops are connected with each other through bolts so as to form a whole circular hoop.
6. The water supply steel pipe weld leakage repairing method according to claim 1, wherein: the arc plate is an arc steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210696470.0A CN115076508B (en) | 2022-06-20 | 2022-06-20 | Water supply steel pipe welding seam leakage repairing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210696470.0A CN115076508B (en) | 2022-06-20 | 2022-06-20 | Water supply steel pipe welding seam leakage repairing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115076508A CN115076508A (en) | 2022-09-20 |
| CN115076508B true CN115076508B (en) | 2023-07-25 |
Family
ID=83252574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210696470.0A Active CN115076508B (en) | 2022-06-20 | 2022-06-20 | Water supply steel pipe welding seam leakage repairing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115076508B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101846229B (en) * | 2010-06-19 | 2011-12-07 | 华北水利水电学院 | Method for reinforcing and preventing pipeline welding line from erosion and male mold ablating agent and reinforcing injection slurry in same |
| CN105756190B (en) * | 2016-04-22 | 2018-11-23 | 苏州鑫精和装配式建筑产业有限公司 | A kind of assembled round steel tubular truss tubular joint and its processing method |
| CN106352197A (en) * | 2016-11-24 | 2017-01-25 | 安徽恒生科技发展集团有限公司 | Rapid first-aid repair device and method for pipeline |
| US10612713B2 (en) * | 2017-03-14 | 2020-04-07 | Cowboy Acquisition, Llc | Fiber composite system and method for pipe reinforcement |
| CN107747661B (en) * | 2017-10-27 | 2023-06-16 | 中国水利水电第十工程局有限公司 | Quick plugging device without stopping water for leakage of socket joint type tap water pipe joint |
| CN108397635A (en) * | 2018-02-06 | 2018-08-14 | 成都科盛石油科技有限公司 | A kind of repair apparatus for rupturing petroleum pipeline |
| CN209524227U (en) * | 2019-03-04 | 2019-10-22 | 唐山市曹妃甸供水有限责任公司 | A kind of heavy-caliber fiber reinforced plastic pipe flange leakage treatment device |
-
2022
- 2022-06-20 CN CN202210696470.0A patent/CN115076508B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN115076508A (en) | 2022-09-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101862883B (en) | Fuel gas pipeline leakage pressurized blocking welding method | |
| CN206246920U (en) | A kind of rapid pipeline repairing device | |
| CN109706934B (en) | Curtain grouting water plugging device in pressure-bearing water stratum and working method thereof | |
| CN109237193A (en) | The no-welding expanding blocking device of pressure test of snap ring-type | |
| CN101994891B (en) | High-temperature and high-pressure leakage blocking clamp tool with pressure | |
| CN203115384U (en) | Water supply and drainage pipeline leakage on-line processing device | |
| CN115076508B (en) | Water supply steel pipe welding seam leakage repairing method | |
| CN202852326U (en) | Isolated seal fixture with pressure | |
| CN112681535B (en) | Waterproof sealing assembly for vertical floor penetrating pipeline and leakage detection and construction method thereof | |
| CN108980510A (en) | One kind being used for the online device for plugging of gaspipe network and blocking method | |
| CN113502797A (en) | Active packer | |
| CN112726962A (en) | Assembled grout sleeve | |
| CN217463712U (en) | Water supply steel pipe welding seam leakage repair structure | |
| CN206246921U (en) | A kind of rapid pipeline repairing device | |
| CN102878383A (en) | Isolating belt pressure sealing clamp | |
| CN108755776A (en) | A kind of underground structure bottom plate leak Integrated Processing Unit and its processing method | |
| CN108253202A (en) | Pipeline and preparation method thereof | |
| CN209891223U (en) | Anchor rod construction water leakage prevention sealing device located below underground water level | |
| CN210196769U (en) | Pipeline end plugging clamp | |
| CN110258569B (en) | Concrete water seepage treatment external sealing back pressure grouting device and grouting method | |
| CN220647236U (en) | Leak stopping repair structure of prestressed steel cylinder concrete pipe | |
| CN210831005U (en) | High pressure steam pipeline branch pipe root welding seam leaking stoppage sealing fixture | |
| CN210288398U (en) | Concrete infiltration is handled outer back pressure cementer that seals | |
| CN110241825B (en) | Backfill grouting construction method and structure for reservoir lining pipeline | |
| CN220894089U (en) | Plugging device for pool opening |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |