CN112066148A - Method for repairing stainless steel foaming cylinder of sewage drainage pipeline - Google Patents
Method for repairing stainless steel foaming cylinder of sewage drainage pipeline Download PDFInfo
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- CN112066148A CN112066148A CN202010925321.8A CN202010925321A CN112066148A CN 112066148 A CN112066148 A CN 112066148A CN 202010925321 A CN202010925321 A CN 202010925321A CN 112066148 A CN112066148 A CN 112066148A
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- pipeline
- stainless steel
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- repairing
- repaired
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
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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
- F16L55/10—Means for stopping flow from or in pipes or hoses
Abstract
The invention provides a method for repairing a stainless steel foaming cylinder of a sewage drainage pipeline, and belongs to the technical field of pipeline repairing construction facilities. The method for repairing the stainless steel foaming cylinder of the sewage drainage pipeline comprises the steps of plugging two ends to be repaired of a part to be repaired of the pipeline through a sewage inlet, cleaning sewage, sludge and garbage of the plugged pipeline, then washing the inner wall of the pipeline to clean the inner wall of the pipeline, cleaning washing water to ensure that the inner wall of the pipeline is free of accumulated water influencing construction, accurately positioning the damaged inner part of the cleaned pipeline or the position to be repaired, rotating the stainless steel foaming cylinder to the position to be repaired by using external equipment, enabling the stainless steel foaming cylinder to expand and fix between the pipelines when meeting water, completing repairing of the damaged part, and removing plugs to ensure that the pipeline is smooth to complete repairing. When the method is used for repairing, the construction period can be greatly shortened, the construction difficulty can be reduced, and the repairing effect can be enhanced.
Description
Technical Field
The invention relates to the field of pipeline repairing construction facilities, in particular to a method for repairing a stainless steel foaming cylinder of a sewage drainage pipeline.
Background
The pipeline repairing refers to that various technologies are adopted for repairing the damaged and leaked conveying pipeline to restore the normal use function of the pipeline, and the repairing comprises two technologies of repairing an outer anticorrosive layer and repairing an inner anticorrosive layer. Repairing the pipeline, wherein for the internal and external anticorrosion repairing, the external anticorrosion layer of the pipeline is detected and evaluated, and then the pipeline is repaired according to an evaluation report; the difficulty of the internal repair technology is relatively high, and the technology of the hose inversion method lining is generally adopted: after the fiber hose with impermeable film is fully soaked in resin, it is turned over by air pressure or water pressure and tightly stuck to the inner wall of old pipeline, and after thermosetting formation, the smooth glass fibre reinforced plastic pipe with lining is formed so as to implement the repair of old pipeline.
The existing method for repairing the stainless steel foaming cylinder of the sewage drainage pipeline needs to excavate the road surface needing to be buried in the pipeline during repairing, the construction period is long, the difficulty is high, and the effect after repairing is poor.
Disclosure of Invention
In order to make up for the defects, the invention provides a method for repairing a stainless steel foaming cylinder of a sewage drainage pipeline, and aims to solve the problems that the pipeline buried pavement needs to be excavated, the construction period is long, the difficulty is high, and the effect after repair is poor.
The invention is realized by the following steps:
the invention provides a method for repairing a stainless steel foaming cylinder of a sewage drainage pipeline, which comprises the following steps:
s1: pipeline plugging: aiming at the part needing to be repaired, plugging two ends needing to be repaired through a sewage inlet;
s2: cleaning the inside of the pipeline: cleaning sewage, sludge and garbage from the plugged pipeline, then flushing the inner wall of the pipeline to clean the inner wall of the pipeline, and cleaning flushing water to ensure that accumulated water which does not influence construction is not accumulated;
s3: positioning detection: accurately positioning the cleaned damaged or repaired position in the pipeline;
s4: repairing the pipeline: after the position needing to be repaired is determined, the stainless steel foaming cylinder is rotated to the position to be repaired by using external equipment, then the stainless steel foaming cylinder is tightly attached to the inner wall of the pipeline through the expansion air bag, and the stainless steel foaming cylinder is expanded and fixed between the pipelines when meeting water, so that the damaged part is repaired;
s5: and (3) completing the repair: and removing the plugging matter to ensure that the pipeline is unblocked to finish the repair.
In an embodiment of the present invention, in step S1, the inside of two ends of the pipeline to be repaired is sealed by a sealing air bag, and the sealing air bag is connected to an external air pump through an air tube.
In one embodiment of the present invention, the step S2 includes a dredging and soil sucking vehicle, and the cleaning of sewage, sludge and garbage in the sewage pipeline is completed by the dredging and soil sucking vehicle.
In an embodiment of the present invention, the step S2 further includes a high pressure flushing vehicle, where an output end of the high pressure flushing vehicle extends into the interior of the sewage pipeline, and the flushing operation of the interior of the sewage pipeline is completed by the clean water, and the discharge of the cleaning water is completed by the water pump.
In an embodiment of the present invention, the step S3 further includes a CCTV pipeline inspection robot, the CCTV pipeline inspection robot is further provided with a pipeline QV detector, and the CCTV pipeline inspection robot and the pipeline QV detector move inside the sewage pipeline to complete accurate positioning of the internal crack and the repair portion of the sewage pipeline.
In an embodiment of the present invention, in step S4, the stainless steel foam cylinder is divided into two layers, each of which is composed of a stainless steel cylinder and a filling material containing polyester foam, and the filling material containing polyester foam is fixed between the stainless steel cylinder and the pipe by expanding in water.
In an embodiment of the invention, the stainless steel foaming cylinder in the step S4 is suitable for repairing partial damage of a 200-1200 m drainage pipeline.
The invention has the beneficial effects that: aiming at the part needing to be repaired, the invention plugs the two ends needing to be repaired through the sewage inlet, cleans the sewage, sludge and garbage of the plugged pipeline, washes the inner wall of the pipeline to clean the inner wall of the pipeline, cleans the washing water to ensure that the washing water has no accumulated water influencing the construction, accurately positions the damaged inner part or the position needing to be repaired of the cleaned pipeline, rotates the stainless steel foaming cylinder to the position needing to be repaired by using external equipment after the position needing to be repaired is determined, then clings the inner wall of the pipeline by the expansion air bag, and the filler containing polyester foaming adhesive on the surface of the stainless steel coil cylinder is expanded and fixed between the pipeline and the stainless steel coil cylinder when meeting water to complete the repair of the damaged part and remove the plug to ensure that the pipeline is smooth to complete the repair operation, thus greatly shortening the construction period and reducing the construction difficulty during the repair, but also can enhance the repairing effect.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Thus, the detailed description of the embodiments of the present invention provided below is not intended to limit the scope of the invention as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the indicated orientation or positional relationship, and are used merely for convenience in describing and simplifying the description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be considered as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Example 1
The invention provides a method for repairing a stainless steel foaming cylinder of a sewage drainage pipeline, which comprises the following steps:
s1: pipeline plugging: aiming at the part needing to be repaired, plugging two ends needing to be repaired through a sewage inlet; and S1, plugging the insides of two ends of the pipeline to be repaired through the plugging air bags, wherein the plugging air bags are connected with an external air pump through air pipes, so that the pipeline is plugged through the air bags, the pipeline can be conveniently disassembled and assembled, the air bags can be conveniently recycled, and resources are saved.
S2: cleaning the inside of the pipeline: and cleaning the blocked pipeline by using sewage, sludge and garbage, then flushing the inner wall of the pipeline to clean the inner wall of the pipeline, and cleaning the flushing water to ensure that accumulated water which does not influence the construction does not exist.
The step S2 includes dredging and sewage suction vehicles, and the sewage, sludge and garbage in the sewage pipeline can be cleaned by the dredging and sewage suction vehicles, so that the pollution to the road surface of the construction road section can be reduced, and the construction environment can be protected.
The step S2 further comprises a high-pressure washing vehicle, wherein the output end of the high-pressure washing vehicle extends into the sewage pipeline, the washing operation of the interior of the sewage pipeline is completed through clear water, the discharge of cleaning water is completed through a water suction pump, and the inner wall of the sewage pipeline is cleaned through the high-pressure washing vehicle, so that the accuracy of detecting cracks in the pipeline can be improved, and the positioning accuracy is improved.
S3: positioning detection: accurately positioning the cleaned damaged or repaired position in the pipeline; the step S3 further comprises a CCTV pipeline detection robot, a pipeline QV detector is further mounted on the CCTV pipeline detection robot, and accurate positioning of internal cracks and repair positions of the sewage pipeline is completed by moving the CCTV pipeline detection robot and the pipeline QV detector in the sewage pipeline; and repairing the drainage pipeline with the diameter specification of 200mm in the steps S1-S3.
The CCTV pipeline inspection robot adopts a closed circuit television system for inspection. The CCTV monitoring system is a set of equipment which integrates mechanization and intellectualization and records the internal condition of a pipeline. The method can carry out operations such as real-time image monitoring, recording, video playback, image snapshot, video file storage and the like on the condition inside the pipeline, and can know the condition inside the pipeline without people entering the pipeline.
As equipment capable of rapidly detecting pipelines, the pipeline QV detector is mainly characterized in that a camera with high magnification is placed in an inspection well or other spaces through a handle with adjustable length, an operator observes on the ground through adjusting lamplight and a lens focal length through a controller, and inspection data are stored in a video recording mode.
The pipeline QV detector is provided with a strong light source, the fullness of the pipeline is small, the internal condition of the pipeline can be checked and observed at the pipe orifice of the pipeline with the diameter of 200-1500 mm, the maximum detection depth can reach 80 m under the ideal condition of the pipeline condition, the internal conditions such as pipeline cracks, blockage and the like can be clearly displayed, the structural defects of the pipeline are judged, and a technical basis is provided for pipeline maintenance.
The pipeline QV detector has the advantages of simplicity, convenience, rapidness, low cost, relatively high detection efficiency and the like, and can be used for detecting various structural defects of pipelines under the general condition of ideal detection conditions.
S4: repairing the pipeline: after the position needing to be repaired is determined, the stainless steel foaming cylinder is rotated to the position to be repaired by using external equipment, then the stainless steel foaming cylinder is tightly attached to the inner wall of the pipeline through the expansion air bag, and the stainless steel foaming cylinder is expanded and fixed between the pipelines when meeting water, so that the repair of the damaged position is completed.
The stainless steel foaming cylinder in the step S4 is divided into two layers, and the two layers are respectively composed of a stainless steel winding cylinder and a filler containing polyester foaming glue, the filler containing the polyester foaming glue is fixed between the stainless steel winding cylinder and the pipeline in a water-swelling mode, the filler containing the polyester foaming glue can be rapidly swelled when meeting water and blocked between the stainless steel winding cylinder and the pipeline, and after solidification for a certain time, the filler containing the polyester foaming glue can be firmly fixed, so that the pipeline can be repaired.
S5: and (3) completing the repair: and removing the plugging matter to ensure that the pipeline is unblocked to finish the repair.
Example 2
The invention provides a method for repairing a stainless steel foaming cylinder of a sewage drainage pipeline, which comprises the following steps:
s1: pipeline plugging: aiming at the part needing to be repaired, plugging two ends needing to be repaired through a sewage inlet; and S1, plugging the insides of two ends of the pipeline to be repaired through the plugging air bags, wherein the plugging air bags are connected with an external air pump through air pipes, so that the pipeline is plugged through the air bags, the pipeline can be conveniently disassembled and assembled, the air bags can be conveniently recycled, and resources are saved.
S2: cleaning the inside of the pipeline: and cleaning the blocked pipeline by using sewage, sludge and garbage, then flushing the inner wall of the pipeline to clean the inner wall of the pipeline, and cleaning the flushing water to ensure that accumulated water which does not influence the construction does not exist.
The step S2 includes dredging and sewage suction vehicles, and the sewage, sludge and garbage in the sewage pipeline can be cleaned by the dredging and sewage suction vehicles, so that the pollution to the road surface of the construction road section can be reduced, and the construction environment can be protected.
The step S2 further comprises a high-pressure washing vehicle, wherein the output end of the high-pressure washing vehicle extends into the sewage pipeline, the washing operation of the interior of the sewage pipeline is completed through clear water, the discharge of cleaning water is completed through a water suction pump, and the inner wall of the sewage pipeline is cleaned through the high-pressure washing vehicle, so that the accuracy of detecting cracks in the pipeline can be improved, and the positioning accuracy is improved.
S3: positioning detection: accurately positioning the cleaned damaged or repaired position in the pipeline; the step S3 further comprises a CCTV pipeline detection robot, a pipeline QV detector is further mounted on the CCTV pipeline detection robot, the CCTV pipeline detection robot and the pipeline QV detector move in the sewage pipeline to finish accurate positioning of internal cracks and repair positions of the sewage pipeline, and the diameter specification of the repaired pipeline is 700mm in the steps S1-S3.
The CCTV pipeline inspection robot adopts a closed circuit television system for inspection. The CCTV monitoring system is a set of equipment which integrates mechanization and intellectualization and records the internal condition of a pipeline. The method can carry out operations such as real-time image monitoring, recording, video playback, image snapshot, video file storage and the like on the condition inside the pipeline, and can know the condition inside the pipeline without people entering the pipeline.
As equipment capable of rapidly detecting pipelines, the pipeline QV detector is mainly characterized in that a camera with high magnification is placed in an inspection well or other spaces through a handle with adjustable length, an operator observes on the ground through adjusting lamplight and a lens focal length through a controller, and inspection data are stored in a video recording mode.
The pipeline QV detector is provided with a strong light source, the fullness of the pipeline is small, the internal condition of the pipeline can be checked and observed at the pipe orifice of the pipeline with the diameter of 200-1500 mm, the maximum detection depth can reach 80 m under the ideal condition of the pipeline condition, the internal conditions such as pipeline cracks, blockage and the like can be clearly displayed, the structural defects of the pipeline are judged, and a technical basis is provided for pipeline maintenance.
The pipeline QV detector has the advantages of simplicity, convenience, rapidness, low cost, relatively high detection efficiency and the like, and can be used for detecting various structural defects of pipelines under the general condition of ideal detection conditions.
S4: repairing the pipeline: after the position needing to be repaired is determined, the stainless steel foaming cylinder is rotated to the position to be repaired by using external equipment, then the stainless steel foaming cylinder is tightly attached to the inner wall of the pipeline through the expansion air bag, and the stainless steel foaming cylinder is expanded and fixed between the pipelines when meeting water, so that the repair of the damaged position is completed.
The stainless steel foaming cylinder in the step S4 is divided into two layers, and the two layers are respectively composed of a stainless steel winding cylinder and a filler containing polyester foaming glue, the filler containing the polyester foaming glue is fixed between the stainless steel winding cylinder and the pipeline in a water-swelling mode, the filler containing the polyester foaming glue can be rapidly swelled when meeting water and blocked between the stainless steel winding cylinder and the pipeline, and after solidification for a certain time, the filler containing the polyester foaming glue can be firmly fixed, so that the pipeline can be repaired.
S5: and (3) completing the repair: and removing the plugging matter to ensure that the pipeline is unblocked to finish the repair.
Example 3
The invention provides a method for repairing a stainless steel foaming cylinder of a sewage drainage pipeline, which comprises the following steps:
s1: pipeline plugging: aiming at the part needing to be repaired, plugging two ends needing to be repaired through a sewage inlet; and S1, plugging the insides of two ends of the pipeline to be repaired through the plugging air bags, wherein the plugging air bags are connected with an external air pump through air pipes, so that the pipeline is plugged through the air bags, the pipeline can be conveniently disassembled and assembled, the air bags can be conveniently recycled, and resources are saved.
S2: cleaning the inside of the pipeline: and cleaning the blocked pipeline by using sewage, sludge and garbage, then flushing the inner wall of the pipeline to clean the inner wall of the pipeline, and cleaning the flushing water to ensure that accumulated water which does not influence the construction does not exist.
The step S2 includes dredging and sewage suction vehicles, and the sewage, sludge and garbage in the sewage pipeline can be cleaned by the dredging and sewage suction vehicles, so that the pollution to the road surface of the construction road section can be reduced, and the construction environment can be protected.
The step S2 further comprises a high-pressure washing vehicle, wherein the output end of the high-pressure washing vehicle extends into the sewage pipeline, the washing operation of the interior of the sewage pipeline is completed through clear water, the discharge of cleaning water is completed through a water suction pump, and the inner wall of the sewage pipeline is cleaned through the high-pressure washing vehicle, so that the accuracy of detecting cracks in the pipeline can be improved, and the positioning accuracy is improved.
S3: positioning detection: accurately positioning the cleaned damaged or repaired position in the pipeline; the step S3 further comprises a CCTV pipeline detection robot, a pipeline QV detector is further mounted on the CCTV pipeline detection robot, the CCTV pipeline detection robot and the pipeline QV detector move in the sewage pipeline to finish accurate positioning of internal cracks and repair positions of the sewage pipeline, and the step S1-S3 is to repair the drainage pipeline with the diameter specification of 1200 mm.
The CCTV pipeline inspection robot adopts a closed circuit television system for inspection. The CCTV monitoring system is a set of equipment which integrates mechanization and intellectualization and records the internal condition of a pipeline. The method can carry out operations such as real-time image monitoring, recording, video playback, image snapshot, video file storage and the like on the condition inside the pipeline, and can know the condition inside the pipeline without people entering the pipeline.
As equipment capable of rapidly detecting pipelines, the pipeline QV detector is mainly characterized in that a camera with high magnification is placed in an inspection well or other spaces through a handle with adjustable length, an operator observes on the ground through adjusting lamplight and a lens focal length through a controller, and inspection data are stored in a video recording mode.
The pipeline QV detector is provided with a strong light source, the fullness of the pipeline is small, the internal condition of the pipeline can be checked and observed at the pipe orifice of the pipeline with the diameter of 200-1500 mm, the maximum detection depth can reach 80 m under the ideal condition of the pipeline condition, the internal conditions such as pipeline cracks, blockage and the like can be clearly displayed, the structural defects of the pipeline are judged, and a technical basis is provided for pipeline maintenance.
The pipeline QV detector has the advantages of simplicity, convenience, rapidness, low cost, relatively high detection efficiency and the like, and can be used for detecting various structural defects of pipelines under the general condition of ideal detection conditions.
S4: repairing the pipeline: after the position needing to be repaired is determined, the stainless steel foaming cylinder is rotated to the position to be repaired by using external equipment, then the stainless steel foaming cylinder is tightly attached to the inner wall of the pipeline through the expansion air bag, and the stainless steel foaming cylinder is expanded and fixed between the pipelines when meeting water, so that the repair of the damaged position is completed.
The stainless steel foaming cylinder in the step S4 is divided into two layers, and the two layers are respectively composed of a stainless steel winding cylinder and a filler containing polyester foaming glue, the filler containing the polyester foaming glue is fixed between the stainless steel winding cylinder and the pipeline in a water-swelling mode, the filler containing the polyester foaming glue can be rapidly swelled when meeting water and blocked between the stainless steel winding cylinder and the pipeline, and after solidification for a certain time, the filler containing the polyester foaming glue can be firmly fixed, so that the pipeline can be repaired.
S5: and (3) completing the repair: and removing the plugging matter to ensure that the pipeline is unblocked to finish the repair.
The working principle of the method for repairing the stainless steel foaming cylinder of the sewage drainage pipeline is as follows: when in use, aiming at the part needing to be repaired, the two ends needing to be repaired are plugged through the sewage inlet, the plugged pipeline is cleaned by sewage, sludge and garbage, then the inner wall of the pipeline is washed to clean the inner wall of the pipeline, washing water is cleaned to ensure that accumulated water which does not affect construction does not exist, the damaged inner part or the position needing to be repaired of the cleaned pipeline is accurately positioned, after the position needing to be repaired is determined, the stainless steel foaming cylinder is rotated to the position needing to be repaired by external equipment, then the stainless steel foaming cylinder is tightly attached to the inner wall of the pipeline through the expansion air bag, and the filler containing polyester foaming adhesive on the surface of the stainless steel cylinder is expanded and fixed between the pipeline and the stainless steel cylinder when meeting water to complete the repair of the damaged part and remove the plugging matter to ensure that the pipeline is smooth to complete the repair operation, so that the construction period can be greatly shortened and the construction difficulty is reduced when the pipeline is repaired, but also can enhance the repairing effect.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made to the present invention by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A method for repairing a stainless steel foaming cylinder of a sewage drainage pipeline is characterized by comprising the following steps:
s1: pipeline plugging: aiming at the part needing to be repaired, plugging two ends needing to be repaired through a sewage inlet;
s2: cleaning the inside of the pipeline: cleaning sewage, sludge and garbage from the plugged pipeline, then flushing the inner wall of the pipeline to clean the inner wall of the pipeline, and cleaning flushing water to ensure that accumulated water which does not influence construction is not accumulated;
s3: positioning detection: accurately positioning the cleaned damaged or repaired position in the pipeline;
s4: repairing the pipeline: after the position needing to be repaired is determined, the stainless steel foaming cylinder is rotated to the position to be repaired by using external equipment, then the stainless steel foaming cylinder is tightly attached to the inner wall of the pipeline through the expansion air bag, and the stainless steel foaming cylinder is expanded and fixed between the pipelines when meeting water, so that the damaged part is repaired;
s5: and (3) completing the repair: and removing the plugging matter to ensure that the pipeline is unblocked to finish the repair.
2. The method for repairing a stainless steel foaming cylinder of a sewage drainage pipeline according to claim 1, wherein in step S1, the interiors of two ends of the pipeline to be repaired are sealed by sealing air bags, and the sealing air bags are connected with an external air pump through air pipes.
3. The method for repairing a stainless steel foaming cylinder of a sewage drainage pipeline according to claim 1, wherein step S2 comprises a dredging and soil sucking vehicle, and the cleaning of sewage, sludge and garbage in the sewage pipeline is completed by the dredging and soil sucking vehicle.
4. The method for repairing a stainless steel foaming cylinder of a sewage drainage pipeline according to claim 1, wherein the step S2 further comprises a high-pressure flushing vehicle, an output end of the high-pressure flushing vehicle extends into the sewage pipeline, the flushing operation of the inside of the sewage pipeline is completed by clean water, and the discharging of the cleaning water is completed by a water pump.
5. The method for repairing the stainless steel foaming cylinder of the sewage drainage pipeline according to claim 1, wherein the step S3 further comprises a CCTV pipeline inspection robot, the CCTV pipeline inspection robot is further provided with a pipeline QV detector, and the CCTV pipeline inspection robot and the pipeline QV detector move in the sewage pipeline to accurately position the internal crack and the repair part of the sewage pipeline.
6. The method for repairing a stainless steel foam cylinder of a sewage drainage pipeline according to claim 1, wherein the stainless steel foam cylinder in step S4 is divided into two layers, each of which is composed of a stainless steel reel and a filler containing polyester foam rubber, and the filler containing polyester foam rubber is fixed between the stainless steel reel and the pipeline in a water-swelling manner.
7. The repairing method of the stainless steel foaming cylinder for the sewage drainage pipeline according to claim 4, wherein the diameter specification of the repaired pipeline in the steps S1-S3 is 200-1200 mm.
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| CN113982097A (en) * | 2021-09-22 | 2022-01-28 | 河海大学 | Underground drainage pipeline cleaning and in-situ repairing device and operation method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113982097A (en) * | 2021-09-22 | 2022-01-28 | 河海大学 | Underground drainage pipeline cleaning and in-situ repairing device and operation method |
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