CN114673859B - Device and method for repairing broken water pipe by magnetic convergence slurry - Google Patents
Device and method for repairing broken water pipe by magnetic convergence slurry Download PDFInfo
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- CN114673859B CN114673859B CN202210459738.9A CN202210459738A CN114673859B CN 114673859 B CN114673859 B CN 114673859B CN 202210459738 A CN202210459738 A CN 202210459738A CN 114673859 B CN114673859 B CN 114673859B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 122
- 239000002002 slurry Substances 0.000 title claims abstract description 86
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000002347 injection Methods 0.000 claims abstract description 9
- 239000007924 injection Substances 0.000 claims abstract description 9
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical group C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000003638 chemical reducing agent Substances 0.000 claims description 11
- 239000003822 epoxy resin Substances 0.000 claims description 11
- 229920000647 polyepoxide Polymers 0.000 claims description 11
- 239000002270 dispersing agent Substances 0.000 claims description 10
- 239000002518 antifoaming agent Substances 0.000 claims description 7
- 239000004568 cement Substances 0.000 claims description 7
- 239000003795 chemical substances by application Substances 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 7
- 239000006247 magnetic powder Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- 238000007689 inspection Methods 0.000 claims description 6
- 238000005553 drilling Methods 0.000 claims description 5
- 239000010426 asphalt Substances 0.000 claims description 4
- 239000013530 defoamer Substances 0.000 claims description 3
- 239000000839 emulsion Substances 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 239000004570 mortar (masonry) Substances 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 claims description 2
- 239000010410 layer Substances 0.000 description 16
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
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
- F16L55/162—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe
- F16L55/1645—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe a sealing material being introduced inside the pipe by means of a tool moving in the pipe
- F16L55/16455—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe a sealing material being introduced inside the pipe by means of a tool moving in the pipe a part of the tool defining, together with the inner wall of the pipe, an enclosed space into which sealing material is injected
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- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pipe Accessories (AREA)
Abstract
The invention provides a device and a method for repairing a broken water pipe by magnetic convergence slurry, comprising a strong magnet device, wherein the strong magnet device consists of a plurality of electromagnets wound with coils, the electromagnets are connected with a power supply and ensure that a magnetic field is generated in the electromagnets after the electromagnets are electrified, so that the attraction of the magnetic convergence slurry is realized; two adjacent groups of electromagnets are alternately bonded into a discoid structure through telescopic air bags, and common air bags are bonded at the inner ring part of the discoid structure; the telescopic air bag is provided with a small cushion block, and the small cushion block can be provided with a circle of prepared magnetic convergence slurry injection layer in the device after being inflated; the small cushion blocks are provided with different specifications, the size of the needed small cushion blocks can be determined according to the needs, and then the thickness of the repaired magnetic convergence slurry layer is determined. The device used by the method is simple and convenient to operate, quick to repair, small in damage to the wall, low in use cost and capable of effectively solving the problem of water leakage of the broken water pipe, and the device can be recycled.
Description
Technical Field
The invention belongs to the field of repairing broken pipelines, and particularly relates to a device and a method for repairing a broken water pipe by using magnetic convergence slurry.
Background
When water leakage occurs to a drainage pipeline, the wall surface and the floor surface near the pipeline are wet, and water is dropped when serious. The water leakage is generally caused by the fact that the joint is not tight, sand holes are formed in the pipe or the pipe fitting, the foundation of the pipe is not firm or the pipe is buried deeply or shallowly, and the pipe is sunk or crushed to cause cracks. In addition, because the water pipe has long service life, the water pipe can harden or have something to block up in the joint department of water pipe for a long time, leads to breaking, the circumstances that water pipe leaks appear.
The repair method is to remove the original pipe to reduce elevation, otherwise, the stress can be limited, the load is reduced or the surface layer is reinforced, and the broken pipe is replaced by a new pipe, for example, when the pvc drain pipe of a bathroom is broken and repaired, the water main valve needs to be closed, then the water leakage position of the pvc pipeline is searched, the broken state of the pvc pipeline can be seen by a flashlight, and the broken state of the pipe is measured by a tape. The water in the pvc pipe is firstly removed, then the pipe with the broken surface is sawn by a saw blade, and the sawn surface is ensured to be flat. When the pipe is replaced, the prepared pipe with the same diameter material is coated with glue, clamped at the joint and screwed or connected in a hot melting mode. The pipe changing method not only has large broken change to the wall when drilling holes, large caliber of the pipe, difficult construction when in hot melt connection, but also has higher repair cost when changing the pipe. Aiming at various problems existing in the prior method, the device and the method for repairing the broken water pipe by adopting the magnetic convergence slurry are expected to reduce the damage area of the wall, lighten the construction difficulty and reduce the construction cost, so that the problems can be well solved.
Disclosure of Invention
The invention aims to provide a device and a method for repairing a broken water pipe by using magnetic convergence slurry, which mainly aim at solving the problem of broken water pipes.
In order to achieve the technical characteristics, the aim of the invention is realized in the following way: the device for repairing the broken water pipe by the magnetic convergence slurry comprises a powerful magnet device, wherein the powerful magnet device consists of a plurality of electromagnets wound with coils, the electromagnets are connected with a power supply and ensure that a magnetic field is generated in the electromagnets after the electromagnets are electrified, so that the attraction of the magnetic convergence slurry is realized;
two adjacent groups of electromagnets are alternately bonded into a discoid structure through telescopic air bags, and common air bags are bonded at the inner ring part of the discoid structure;
the telescopic air bag is provided with a small cushion block, and the small cushion block can be provided with a circle of prepared magnetic convergence slurry injection layer in the device after being inflated; the small cushion blocks are provided with different specifications, the size of the needed small cushion blocks can be determined according to the needs, and then the thickness of the repaired magnetic convergence slurry layer is determined.
The magnetic convergence slurry is prepared from asphalt, waterborne epoxy resin, a curing agent, magnetic powder, cement, water, a dispersing agent, a defoaming agent and a water reducing agent; the water reducer is used for improving the strength of slurry and has a good plugging effect on a broken water pipe; the defoamer prevents the generation of bubbles in the slurry; the dispersing agent enables materials in the mortar to be dispersed uniformly; the aqueous epoxy resin enables the magnetic convergence slurry to have good fluidity, so that the magnetic convergence slurry is easier to uniformly distribute at the required fracture surface.
The specific material proportion of the magnetic convergence slurry is as follows: the water cement ratio is 0.2-0.4, the mixing amount of magnetic powder is 10% -30%, the dispersing agent is 5%, the defoaming agent is 2%, the water reducing agent is 1%, and the epoxy resin emulsion: curing agent = 1:0.85.
The telescopic air bag and the common air bag are respectively provided with an inflation port for inflating the telescopic air bag and a deflation port for deflating the telescopic air bag and the common air bag; the air charging port is connected with an air source for supplying air through an air charging pipe; the air release port is communicated with the external atmosphere through an air release pipe; the device is expanded and recovered by inflating and deflating the common air bag; by inflating and deflating the telescopic air bag, the device meets the requirements of different water pipe specifications.
The method for repairing the water pipe by using the device for repairing the broken water pipe by using the magnetic convergence slurry comprises the following steps:
aiming at the condition that the influence of water seepage on the wall is small, the magnetic convergence slurry is injected from the inside of the water pipe for repairing, and the concrete steps are as follows:
step 1.1: configuring magnetic convergence slurry;
step 1.2: finding out the approximate water outlet point position according to a proper amount of holes at the water seepage point on the wall;
step1.3: placing a powerful electromagnet device from the water pipe inspection port until the powerful electromagnet device moves to the position where the water pipe breaks approximately;
step 1.4: firstly, an inflation pipe is used for inflating the common air bag, so that the device is expanded into the water pipe, and then the telescopic air bag is inflated, so that a small cushion block on the device is tightly attached to the inner wall of the water pipe, and the inflation is stopped;
step1.5: switching on a power supply, injecting magnetic convergence slurry into the prepared magnetic convergence slurry injection layer through grouting equipment, and stopping grouting after the magnetic convergence slurry is uniformly distributed on the inner wall of the water pipe for one circle;
step 1.6: after the magnetic convergence slurry is solidified, the power supply is disconnected;
step 1.7: moving the device up and down in proper amount, repeating the operation, and repairing the rest fracture surfaces;
step 1.8: and after the plugging of all the fracture surfaces is completed, the gas in the double-layer air bag is discharged through the gas discharge pipe, and the device is recovered.
The method for repairing the water pipe by using the device for repairing the broken water pipe by using the magnetic convergence slurry comprises the following steps:
aiming at the situation that the wall cracks seriously due to large-area water seepage, magnetic convergence slurry is injected from the outside of a water pipe for repairing, and the concrete steps are as follows:
step2.1: configuring magnetic convergence slurry;
step2.2: finding out the approximate water outlet point position according to a proper amount of holes at the water seepage point on the wall;
step2.3: placing a powerful electromagnet device from the water pipe inspection port until the powerful electromagnet device moves to the position where the water pipe breaks approximately;
step2.4: inflating the air bag in the device through the inflation tube until the four small cushion blocks cling to the inner wall of the water tube, and stopping inflating;
step2.5: switching on a power supply, slowly injecting the prepared magnetic convergence slurry from the water outlet point position found in the external drilling hole, moving the device up and down in the water pipe until the fracture surface is blocked, and stopping grouting;
step2.6: and the power supply is disconnected, the gas in the air bag of the device is discharged through the air discharge pipe, and the device is recovered.
The invention has the following beneficial effects:
1. the self-made magnetic convergence slurry is prepared from asphalt, water-based epoxy resin, a curing agent, magnetic powder, cement, water, a dispersing agent, a defoaming agent and a water reducing agent. The added water reducer can improve the strength of the device, has good plugging effect on the broken water pipe, and the aqueous epoxy resin enables the magnetic convergence slurry to have good fluidity, so that the magnetic convergence slurry is easily and uniformly distributed at the position of the required broken surface, and meanwhile, the cost of the magnetic convergence slurry is low.
2. When the power supply is disconnected, the magnetic field disappears, and the powerful electromagnet device which can move in the pipe is utilized, so that the up-and-down moving device can repair other cracks without continuous drilling, the repairing area of the device is enlarged, and the damage area of the wall is reduced.
3. The double-layer air bags of the device are provided with the inflation and deflation systems, the common air bags can expand the device, the telescopic air bags can be well adapted to the problem of different specifications of different pipe fittings, and the device is convenient to recycle.
4. The grouting repair from the inner wall of the water pipe can form a circle of protective layer in the pipe, the repair from the outside of the water pipe can form a circle of blocking layer at the breaking surface, a small amount of magnetic convergence slurry can flow into the wall inside generated by water seepage to repair gaps left by water leakage in the wall one by one due to good fluidity of the magnetic convergence slurry, but the corresponding needed magnetic convergence slurry can be slightly more than the grouting from the inside, and can be flexibly selected according to practical conditions.
5. The telescopic airbag is provided with four small cushion blocks in different directions, after the device is expanded, a prepared magnetic convergence slurry injection layer is left in the device due to the effect of the small cushion blocks, meanwhile, the small cushion blocks are provided with different thicknesses, and the thickness of the needed magnetic convergence slurry layer can be flexibly selected according to actual conditions. The small cushion block can also separate the device from the water pipe, so that the problem that the device cannot be taken out of the water pipe is avoided.
Drawings
The invention is further described below with reference to the drawings and examples.
Fig. 1 is an overall configuration diagram of the strong electromagnet device of the present invention.
FIG. 2 is a schematic illustration of inflation and deflation of the double-layer airbag of the present invention.
FIG. 3 is a diagram of a magnetic convergence slurry attachment device after the device is energized.
FIG. 4 is a diagram of the repair of the multilayer magnetic convergence slurry of the device.
In the figure: the device comprises an electromagnet 1, a common air bag 2, a telescopic air bag 3, a small cushion block 4, magnetic convergence slurry 8, an inflation inlet 10 and a deflation port 11.
Detailed Description
Embodiments of the present invention will be further described with reference to the accompanying drawings.
Example 1:
referring to fig. 1-4, an apparatus for repairing a broken water pipe using a magnetically concentrated slurry includes a powerful electromagnet apparatus composed of a plurality of electromagnets 1 wound with coils connected to a power source through wires. By switching on the power supply, the magnetic convergence slurry forms a sealed protective layer in the inner wall of the water pipe and the wall gap under the action of the magnetic field, so that the purpose of plugging the broken surface of the water pipe is achieved; the magnetic field is eliminated by disconnecting the power supply, so that the device can be easily taken out, and the recycling is convenient.
Furthermore, the electromagnet 1 is bonded with the common air bag 2 and the telescopic air bag 3 through waterproof glue, the common air bag 2 and the telescopic air bag 3 are respectively provided with an inflation port 10 and a deflation port 11, and are connected with the outside through a conduit, and the device is expanded, recycled and reused by inflating and deflating the common air bag 2; by inflating and deflating the telescopic air bag 3, the device meets the requirements of different water pipe specifications. By adopting the inflation and deflation modes, the flexibility of the device is enhanced.
Further, the telescopic airbag 3 is externally bonded with four small cushion blocks 4 in different directions, after the device is expanded, a prepared magnetic convergence slurry injection layer is left in the device due to the effect of the small cushion blocks 4, meanwhile, the small cushion blocks 4 are provided with different thicknesses, and the thickness of the needed magnetic convergence slurry layer can be flexibly selected according to actual conditions. The small cushion block 4 can also separate the device from the water pipe, so that the problem that the device cannot be taken out of the water pipe is avoided. In addition, a preparation magnetic convergence slurry injection layer can be formed through the small cushion block 4, so that a corresponding slurry sealing layer is formed inside the pipeline in the subsequent repairing process.
Through the device, the principle is as follows: the device is placed at the water pipe fracture surface, the power supply is connected, a magnetic field is formed outside the device, and injected magnetic convergence slurry is uniformly distributed in the water pipe inner wall or wall gaps under the action of the magnetic field, so that the effect of repairing the water pipe and the wall fracture surface is achieved.
Further, the magnetic convergence slurry 8 is prepared from asphalt, aqueous epoxy resin, a curing agent, magnetic powder, cement, water, a dispersing agent, a defoaming agent and a water reducing agent. The added water reducer can improve the strength of slurry, has good blocking effect on a broken water pipe, the defoamer can prevent bubbles in the slurry, the dispersing agent can enable materials in the slurry to be dispersed more uniformly, and the aqueous epoxy resin can enable the magnetic convergence slurry to have good fluidity, so that the magnetic convergence slurry is easy to uniformly distribute at a required broken surface.
Further, the magnetic convergence slurry 8 comprises the following materials in proportion: the water cement ratio is 0.2-0.4, the mixing amount of magnetic powder is 10% -30%, the dispersing agent is 5%, the defoaming agent is 2%, the water reducing agent is 1%, and the epoxy resin emulsion: curing agent = 1:0.85. Through the magnetic convergence slurry 8, rapid condensation can be realized under the action of magnetic force, and the effect of rapidly repairing the pipeline cracks is further achieved.
Example 2:
when the influence of water seepage on the wall is small, magnetic convergence slurry is injected from the inside of the water pipe:
step1.1, configuring magnetic convergence slurry 8;
step1.2, finding out the approximate water outlet point position according to a proper amount of holes drilled at the water seepage point on the wall;
step1.3, placing a powerful electromagnet device from a water pipe inspection port until the powerful electromagnet device moves to a position where the water pipe breaks approximately;
step1.4, firstly, inflating the common air bag 2 by using an inflation pipe to expand the device into a water pipe, and then inflating the telescopic air bag 3 to enable a small cushion block 4 on the device to be clung to the inner wall of the water pipe, and stopping inflating;
step1.5, switching on a power supply, injecting slurry into the prepared magnetic convergence slurry injection layer through grouting equipment, and stopping grouting after the magnetic convergence slurry 8 is uniformly distributed on the inner wall of the water pipe for one circle;
step1.6, after the magnetic convergence slurry 8 is solidified, the power supply is disconnected;
step1.7, moving the device up and down in proper amount, repeating the operation, and repairing the rest fracture surfaces;
step1.8, after the plugging of all fracture surfaces is completed, discharging the gas in the double-layer air bag through a gas discharge pipe, and recovering the device;
example 3:
aiming at the situation that the wall cracks seriously due to large-area water seepage, magnetic convergence slurry is injected from the outside of the water pipe:
step2.1, configuring magnetic convergence slurry 8;
step2.2, finding out the approximate water outlet point position according to a proper amount of holes drilled at the water seepage point on the wall;
step2.3, placing a powerful electromagnet device from the water pipe inspection port until the powerful electromagnet device moves to the position where the water pipe breaks approximately;
step2.4, firstly, inflating the common air bag 2 by using an inflation pipe to expand the device into a water pipe, and then inflating the telescopic air bag 3 to enable a small cushion block 4 on the device to be clung to the inner wall of the water pipe, and stopping inflating;
step2.5, switching on a power supply, slowly injecting the prepared magnetic convergence slurry 8 from the water outlet point position found from the external drilling hole through grouting equipment, and moving the device up and down in the water pipe until the plugging of the fracture surface is completed and the wall gap is plugged, and stopping grouting;
and 2.6, switching off the power supply, discharging the gas in the double-layer air bag of the device through the gas discharge pipe 6, and recovering the device.
Claims (2)
1. The device for repairing the broken water pipe by adopting the magnetic convergence slurry comprises a powerful magnet device, wherein the powerful magnet device consists of a plurality of electromagnets (1) wound with coils, the electromagnets (1) are connected with a power supply and ensure that a magnetic field is generated in the electromagnets after the electromagnets are electrified, so that the attraction of the magnetic convergence slurry (8) is realized;
two adjacent groups of electromagnets (1) are alternately bonded into a discoid structure through telescopic air bags (3), and common air bags (2) are bonded at the inner ring part of the discoid structure;
the telescopic airbag (3) is provided with a small cushion block (4), and the small cushion block (4) can be provided with a circle of preparation magnetic convergence slurry injection layer in the device after being inflated; the small cushion block (4) is provided with different specifications, so that the size of the needed small cushion block (4) can be determined according to the requirement, and the thickness of the repaired magnetic convergence slurry layer can be further determined;
the magnetic convergence slurry (8) is prepared from asphalt, waterborne epoxy resin, a curing agent, magnetic powder, cement, water, a dispersing agent, a defoaming agent and a water reducing agent; the water reducer is used for improving the strength of slurry and has a good plugging effect on a broken water pipe; the defoamer prevents the generation of bubbles in the slurry; the dispersing agent enables materials in the mortar to be dispersed uniformly; the aqueous epoxy resin ensures that the magnetic convergence slurry has good fluidity, so that the magnetic convergence slurry (8) is easier to uniformly distribute at the position of the required fracture surface;
the magnetic convergence slurry (8) comprises the following specific materials in proportion: the water cement ratio is 0.2-0.4, the mixing amount of magnetic powder is 10% -30%, the dispersing agent is 5%, the defoaming agent is 2%, the water reducing agent is 1%, and the epoxy resin emulsion: curing agent = 1:0.85;
the telescopic air bag (3) and the common air bag (2) are respectively provided with an inflation port (10) for inflating the telescopic air bag and a deflation port (11) for deflating the telescopic air bag; the air charging port (10) is connected with an air source for supplying air through an air charging pipe; the air release port (11) is communicated with the external atmosphere through an air release pipe; the device is expanded and recovered by inflating and deflating the common air bag (2); the device meets the requirements of different water pipe specifications by inflating and deflating the telescopic air bag (3);
the repairing method comprises the following steps:
aiming at the condition that the influence of water seepage on the wall is small, the magnetic convergence slurry is injected from the inside of the water pipe for repairing, and the concrete steps are as follows:
step 1.1: configuring magnetic convergence slurry (8);
step 1.2: finding out the approximate water outlet point position according to a proper amount of holes at the water seepage point on the wall;
step1.3: placing a powerful electromagnet device from the water pipe inspection port until the powerful electromagnet device moves to the position where the water pipe breaks approximately;
step 1.4: firstly, an inflation pipe is used for inflating the common air bag (2) to enable the device to expand into the water pipe, and then the telescopic air bag (3) is inflated to enable a small cushion block (4) on the device to cling to the inner wall of the water pipe, so that the inflation is stopped;
step1.5: switching on a power supply, injecting magnetic convergence slurry (8) into the prepared magnetic convergence slurry injection layer through grouting equipment, and stopping grouting after the magnetic convergence slurry (8) is uniformly distributed on the inner wall of the water pipe for one circle;
step 1.6: after the magnetic convergence slurry (8) is solidified, the power supply is disconnected;
step 1.7: moving the device up and down in proper amount, repeating the operation, and repairing the rest fracture surfaces;
step 1.8: and after the plugging of all the fracture surfaces is completed, the gas in the double-layer air bag is discharged through the gas discharge pipe, and the device is recovered.
2. A method of repairing a water pipe using the apparatus for repairing a broken water pipe using a magnetically concentrated slurry according to claim 1, comprising the steps of:
aiming at the situation that the wall cracks seriously due to large-area water seepage, magnetic convergence slurry is injected from the outside of a water pipe for repairing, and the concrete steps are as follows:
step2.1: configuring magnetic convergence slurry (8);
step2.2: finding out the approximate water outlet point position according to a proper amount of holes at the water seepage point on the wall;
step2.3: placing a powerful electromagnet device from the water pipe inspection port until the powerful electromagnet device moves to the position where the water pipe breaks approximately;
step2.4: inflating the air bag in the device through the inflation tube until the four small cushion blocks (4) cling to the inner wall of the water tube, and stopping inflating;
step2.5: switching on a power supply, slowly injecting the prepared magnetic convergence slurry (8) from the water outlet point position found in the external drilling hole, moving the device up and down in the water pipe until the fracture surface is blocked, and stopping grouting;
step2.6: and the power supply is disconnected, the gas in the air bag of the device is discharged through the air discharge pipe, and the device is recovered.
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| CN202210459738.9A CN114673859B (en) | 2022-04-28 | 2022-04-28 | Device and method for repairing broken water pipe by magnetic convergence slurry |
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| CN202210459738.9A CN114673859B (en) | 2022-04-28 | 2022-04-28 | Device and method for repairing broken water pipe by magnetic convergence slurry |
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| CN209688339U (en) * | 2019-01-31 | 2019-11-26 | 湖南大麓科技有限公司 | A kind of pipeline rehabilitation device |
| CN114231228A (en) * | 2021-11-01 | 2022-03-25 | 北京理工大学 | Magnetorheological repairing material, preparation method thereof and oil pipeline repairing method |
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