A pipeline seepage prevention pretreatment system

Abstract

This application provides a pipeline seepage prevention pretreatment system, relating to the field of pipeline repair construction technology. The system includes a grouting device, which comprises a support shell, a camera device, a sealing device, an injection device, and an air jetting device. The grouting device is placed inside the pipeline to be repaired. The camera device observes the location of the leak. The support shell is moved so that the leak is located between the front and rear annular airbags of the support shell. Then, the annular airbags are activated to press against the inner wall of the pipeline, sealing the leak area. Grout is injected into the sealed area through the injection device, and the air jetting device presses the grouting material into the external soil of the leak, forming a seepage-proof and water-stopping protective layer to prevent further leakage. This solution can meet the requirements of in-situ curing repair for pipelines with diameters below DN800, even when there is a dense network of underground municipal pipelines under urban roads and no drilling is required.

Description

Technical Field

[0001] This utility model relates to the field of pipeline repair and construction technology, specifically to a pipeline anti-seepage pretreatment system. Background Technology

[0002] With the accelerating pace of urbanization, urban underground pipelines have become increasingly complex. After several years of operation, many existing underground drainage pipes inevitably develop various defects due to external forces or their own inherent characteristics. Pipe leakage is the most common defect, and its impact varies depending on changes in the groundwater level. When the groundwater level is lower than the leaking pipe, sewage will seep through the leak and erode and pollute the surrounding soil and groundwater. When the groundwater level is higher than the leaking pipe, groundwater will flow into the existing pipeline. This flow not only carries away surrounding soil, causing soil erosion at the leak point and creating underground cavities that can lead to secondary disasters such as road collapses, but also reduces the concentration of sewage within the pipeline and increases the pressure on downstream sewage treatment plants. This results in more sewage remaining in the existing pipeline, leading to prolonged high sewage levels in certain areas and severe pollution of the groundwater and soil in those areas.

[0003] For a long time, pipes with a diameter of DN800 or larger could be repaired by manually entering the site for seepage prevention and waterproofing. However, for pipes with a diameter of DN800 or smaller, seepage prevention and waterproofing repairs have been carried out by drilling into the road surface. Currently, urban roads are densely covered with municipal underground pipelines, and drilling is prohibited on many roads, making seepage prevention and waterproofing repairs impossible for these types of pipes. Therefore, targeted repair technology solutions are needed to address this problem. Utility Model Content

[0004] The purpose of this utility model is to provide a pipeline seepage prevention pretreatment system to solve the technical problem that existing technologies cannot perform seepage prevention and water-stopping repair on pipelines with a diameter of DN800 or less.

[0005] For the purposes described above, this application provides a pipeline seepage prevention pretreatment system, including a grouting device;

[0006] The grouting device includes a support shell, a camera device, a sealing device, a grouting device, and a jetting device;

[0007] The camera device is installed at the front end of the support housing and is used to monitor the location of leakage inside the pipe;

[0008] At least one sealing device is fitted on each side of the support shell along its length. The sealing device is an annular airbag, which is used to make close contact with the inner wall of the pipe to seal both sides of the leakage location.

[0009] The grouting device is disposed on the outer wall of the support shell and is located between the sealing devices on both sides of the support shell along its length, for injecting grouting material into the leakage location in the pipe.

[0010] The jetting device is used to press grouting material into the soil outside the seepage point, so that a seepage-proof and water-stopping protective layer is formed outside the seepage point to prevent leakage.

[0011] Furthermore, the camera device includes a first camera, a second camera, a first lighting device, and a second lighting device;

[0012] The first camera is connected to the upper front end of the support housing via a camera bracket, and is used to monitor the leakage location at the front end of the grouting device inside the pipeline.

[0013] The first lighting device is located on both sides of the first camera and is used to provide ambient lighting;

[0014] The second camera is connected to the upper part of the housing of the first camera. The second camera is used to monitor the leakage location at the rear end of the grouting device in the pipeline and the real-time grouting dynamics.

[0015] The second lighting device is located on both sides of the second camera and is used to provide ambient lighting.

[0016] Furthermore, the grouting device includes an A-material sprayer and a B-material sprayer;

[0017] Among them, the A-material sprayer and the B-material sprayer are used to simultaneously spray the A-material slurry and the B-material slurry to the leakage location inside the pipeline.

[0018] Furthermore, the jet device includes a jet head and an air supply pipe, wherein the jet head is connected to the air supply pipe.

[0019] Furthermore, a pressure sensor is provided on the support housing for measuring the pressure during the grouting process.

[0020] Furthermore, a first traction ring is provided at the front end of the support housing for connecting the traction cable.

[0021] Furthermore, it also includes a composite cable and a fixing ring; the composite cable is connected to the rear side of the support housing, and the interior of the composite cable is used to transmit camera signal lines, A material supply pipe group, B material supply pipe group, air supply pipe group and pressure sensing lines;

[0022] The camera signal line is used for electrical connection to the camera device;

[0023] The A-material supply pipe assembly is used to connect the A-material sprayer;

[0024] The B material supply pipe assembly is used to connect the B material spraying device;

[0025] The air supply pipe assembly is used to connect the jet device;

[0026] The pressure sensing wire is used for electrical connection to the pressure sensor;

[0027] The retaining ring is used to fix the composite cable to the supporting housing.

[0028] Furthermore, it also includes a feeding device, which includes an A material lifting pump, a B material lifting pump, an A material storage device, a B material storage device, and a feeding pressure cabinet;

[0029] The input end of the A material lifting pump is connected to the A material storage device, and the output end of the A material lifting pump is connected to the A material feeding pipe assembly.

[0030] The input end of the B material lifting pump is connected to the B material storage device, and the output end of the B material lifting pump is connected to the B material supply pipe assembly.

[0031] The feeding pressure cabinet includes a cabinet body, an operation display, and a hydraulic device;

[0032] The operation display is mounted on the cabinet.

[0033] The hydraulic device is installed inside the cabinet and is connected to the A material lifting pump and the B material lifting pump respectively, and is used to provide hydraulic power to the A material lifting pump and the B material lifting pump respectively.

[0034] Furthermore, it also includes an air compressor, which is connected to the jet device via a pipe.

[0035] Furthermore, it also includes a control system, which includes a grouting console, a video display, a data display screen, and a grouting operation panel;

[0036] The grouting operation screen is electrically connected to the grouting control console, and the grouting control console is electrically connected to the feeding device;

[0037] The video display is electrically connected to the camera device via the camera signal line;

[0038] The data display screen is electrically connected to the grouting control console and pressure sensor.

[0039] By adopting the above technical solution, the pipeline seepage prevention pretreatment system provided in this application has the following technical advantages compared with the prior art:

[0040] The grouting device is placed inside the pipe to be repaired. The location of the leak is observed through a camera. The leak is positioned between the front and rear annular airbags of the support shell by moving the support shell. Then, the annular airbags are activated to press against the inner wall of the pipe, thereby sealing the leak area. Grout is injected into the sealed area through the grouting device. The grouting material is pressed into the soil outside the leak using an air jet device, forming a waterproof and seepage-proof protective layer to stop the leakage. This solution can meet the requirements of in-situ curing repair for pipes with a diameter of DN800 or less, where there is a dense network of underground municipal pipelines under urban roads and no drilling is required. Attached Figure Description

[0041] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0042] Figure 1 This is a schematic diagram of the grouting device in the pipeline seepage prevention pretreatment system provided in this application embodiment;

[0043] Figure 2 This is a schematic diagram of the pipeline seepage prevention pretreatment system provided in the embodiments of this application.

[0044] 10-Pipeline; 20-Traction Device; 21-Traction Cable; 100-Grouting Device; 110-Support Housing; 111-First Traction Ring; 120-Sealing Device; 130-Grouting Device; 131-A Material Sprayer; 132-B Material Sprayer; 140-Air Jet Device; 141-Air Jet Head; 150-First Camera; 160-Second Camera; 170-Pressure Sensor; 200-Integrated Cable; 210-Fixing Ring; 300-Feeding Device; 310-A ​​Material Lifting Pump; 320-B Material Lifting Pump; 330-A Material Storage Device; 340-B Material Storage Device; 350-Feeding Pressure Cabinet; 400-Air Compressor; 500-Grouting Control Console; 600-Video Display; 700-Data Display Screen; 800-Grouting Operation Panel; 900-Integrated Cable Controller. Detailed Implementation

[0045] The technical solution of this utility model will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0046] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0047] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0048] like Figure 1 and Figure 2 As shown in the figure, an embodiment of this application provides a pipeline seepage prevention pretreatment system, including a grouting device 100;

[0049] Specifically, the grouting device 100 includes a support housing 110, a camera device, a sealing device 120, a grouting device 130, and a jetting device 140;

[0050] The camera device is installed at the front end of the support housing 110 to monitor the location of leakage in the pipe.

[0051] At least one sealing device 120 is fitted on each side of the support housing 110 along its length. The sealing device 120 is an annular airbag. When the annular airbag is inflated, it is used to make close contact with the inner wall of the pipe to seal both sides of the leakage location.

[0052] The grouting device 130 is disposed on the outer wall of the support housing 110 and is located between the sealing devices 120 on both sides of the length direction of the support housing 110, for injecting grouting material into the leakage location in the pipeline.

[0053] The jetting device 140 is used to press grouting material into the soil outside the leakage point, so that a waterproof and seepage-proof protective layer is formed outside the leakage point to stop leakage.

[0054] In this embodiment, the grouting device 100 is placed inside the pipe to be repaired. The location of the leak is observed by a camera device. The leak is located between the front and rear annular airbags of the support housing 110 by moving the support housing 110. Then, the annular airbags are activated to press against the inner wall of the pipe to seal the leak area. Grout is sprayed into the sealed area by the grouting device 130. The grouting material is pressed into the soil outside the leak by the jetting device 140, so that a seepage-proof and water-stopping protective layer is formed on the outside of the leak to prevent leakage. This solution can meet the requirements of in-situ curing repair for pipes with a diameter of DN800 and below, even when there is a dense network of underground municipal pipelines under urban roads and no drilling is required.

[0055] As a preferred embodiment, the camera device includes a first camera 150, a second camera 160, a first lighting device, and a second lighting device;

[0056] The first camera 150 is connected to the upper front end of the support housing 110 via a camera bracket. It is used to monitor the leakage position at the front end of the grouting device 100 in the pipeline. When in use, it can monitor the leakage position in front of the grouting device 100 as it moves in the pipeline. The first lighting device is located on both sides of the first camera 150 to provide ambient lighting.

[0057] The second camera 160 is connected to the upper end of the housing of the first camera 150. The second camera 160 is used to monitor the leakage position at the rear end of the grouting device 100 in the pipeline, so as to facilitate the staff to move the grouting device 100 to a suitable position. At the same time, in the subsequent grouting process, the second camera 160 can also collect the grouting dynamics in real time, which is convenient for the staff to monitor. The second lighting device is located on both sides of the second camera 160 to provide ambient lighting.

[0058] In this embodiment, the grouting device 130 includes an A-material sprayer 131 and a B-material sprayer 132;

[0059] The A-material sprayer 131 and the B-material sprayer 132 are respectively fixed to the outside of the support housing 110, and are used to simultaneously spray the A-material slurry and the B-material slurry to the leakage location inside the pipeline. Here, A-material refers to the main material and B-material refers to the catalyst agent.

[0060] Specifically, the A-material sprayer 131 is used to spray the A-material slurry liquid onto the area to be repaired, and the B-material sprayer 132 is used to simultaneously spray the B-material slurry liquid onto the area to be repaired. Then, the mixed AB slurry is injected into the outside of the pipe through the crack via the jetting device 140 for repair.

[0061] The aforementioned jetting device 140 includes a jetting head 141 and an air supply pipe. The jetting head 141 is mounted on the support housing 110 and connected to the air supply pipe. It is used to jet high-pressure gas so that AB slurry can be forced into the repair area outside the pipe through the crack.

[0062] In addition, a pressure sensor 170 is installed on the support housing 110 to measure the pressure during the grouting process. It should be noted that when the annular airbag is inflated, its outermost highest point is approximately at the same height as the detection end of the pressure sensor 170. This ensures that when the annular airbag is in contact with the inner wall of the pipe, the detection end of the pressure sensor 170 is also in contact with the inner wall of the pipe, thus measuring the pressure during the grouting process.

[0063] As a preferred embodiment, the front end of the support housing 110 is provided with a first traction ring 111 for connecting a traction cable, thereby pulling the support housing 110 to move within the pipeline via the traction cable.

[0064] The pipeline seepage prevention pretreatment system provided in this embodiment also includes a composite cable 200 and a fixing ring 210; the composite cable 200 is connected to the rear side of the support housing 110, and the interior of the composite cable 200 is used to transmit camera signal lines, A material supply pipe group, B material supply pipe group, air supply pipe group and pressure sensing lines;

[0065] The camera signal line is used for electrical connection to the camera device;

[0066] The A material supply pipe assembly is used to connect the A material spraying device 131;

[0067] The B material supply pipe assembly is used to connect the B material shotcrete nozzle 132;

[0068] The air supply pipe assembly is used to connect the jet device 140;

[0069] The pressure sensing wire is used for electrical connection of the pressure sensor 170;

[0070] The fixing ring 210 is used to fix the composite cable 200 to the support housing 110 to prevent the various pipes or lines inside the cable from breaking or being damaged when the composite cable 200 is pulled in the opposite direction after the grouting repair is completed.

[0071] The pipeline seepage prevention pretreatment system provided in this embodiment also includes a feeding device 300, which includes an A material lifting pump 310, a B material lifting pump 320, an A material storage device 330, a B material storage device 340, and a feeding pressure cabinet 350.

[0072] The input end of the A material lifting pump 310 is connected to the A material storage device 330, and the output end of the A material lifting pump 310 is connected to the A material supply pipe group. It is used to extract the material from the A material storage device 330 and transport it to the A material sprayer 131 through the A material supply pipe group, and then spray it to the leakage position of the pipe.

[0073] Specifically, the A material storage device 330 includes an inner storage cylinder, an outer protective cylinder, a heater, and a stirrer;

[0074] The inner storage cylinder is a cylindrical metal structure with a lid. The lid has holes for adding grouting material and for feeding material into the A-material pump 310. The outer protective cylinder is also a cylindrical metal structure, connected to the inner storage cylinder via the inner storage cylinder lid and a connecting bracket. The outer protective cylinder and the inner storage cylinder are concentric, serving for insulation and protection. The heater is a strip structure, including a temperature measuring device and a temperature sensor, placed between the inner and outer protective cylinders, spirally wound around the outer side of the inner storage cylinder, used to heat the inner storage cylinder. The agitator is impeller-shaped, placed at the bottom of the inner storage cylinder and connected to it via a connecting shaft. It is driven by a motor and used for mixing the liquid inside the cylinder. It should be noted that the A-material storage device 330 is conventional technology; therefore, no accompanying drawings are provided in this solution.

[0075] The input end of the B material lifting pump 320 is connected to the B material storage device 340, and the output end of the B material lifting pump 320 is connected to the B material supply pipe assembly; it is used to extract the material from the B material storage device 340 and transport it through the B material supply pipe assembly to the B material sprayer 132, and then spray it to the leakage position of the pipeline.

[0076] The structure and working principle of the B material storage device 340 are the same as those of the A material storage device 330.

[0077] The feeding pressure cabinet 350 includes a cabinet, an operation display, and a hydraulic device;

[0078] The control display is mounted on the cabinet.

[0079] The hydraulic system is installed inside the cabinet and is connected to the A material lifting pump and the B material lifting pump respectively, so as to provide hydraulic power to the A material lifting pump and the B material lifting pump respectively.

[0080] The pipeline seepage prevention pretreatment system provided in this embodiment also includes an air compressor 400, which is connected to the jetting device 140 through a pipeline and is used to provide compressed air to the jetting device 140. In addition, the air compressor 400 can also be connected to an annular airbag through a pipeline, and a valve is provided on the pipeline for inflating the annular airbag.

[0081] The pipeline seepage prevention pretreatment system provided in this embodiment also includes a control system, which includes a grouting console 500, a video display 600, a data display screen 700, and a grouting operation screen 800.

[0082] The grouting operation panel 800 is electrically connected to the grouting control panel 500 and is used to display operation options. The grouting control panel 500 is electrically connected to the feeding device 300.

[0083] The video display 600 is electrically connected to the first camera 150 and the second camera 160 via a camera signal cable, and is used to display images inside the pipe in real time;

[0084] The data display screen 700 is electrically connected to the grouting control console 500 and the pressure sensor line to display pressure data and options on the grouting control console 500.

[0085] The pipeline seepage prevention pretreatment system provided in this embodiment also includes an integrated cable controller 900, which serves as a transfer station for integrating the camera signal line, A material supply pipe group, B material supply pipe group, air supply pipe group, and pressure sensor line within the integrated cable 200.

[0086] In addition, the pipeline seepage prevention pretreatment system provided in this embodiment also includes a traction device 20, which is used to connect to the first traction ring 111 via a traction cable 21.

[0087] The working principle of the pipeline seepage prevention pretreatment system provided in this embodiment is explained below:

[0088] The AB grout required for seepage prevention grouting is prepared using a feeding device 300. The AB grouts are pumped separately along the A-material feeding pipe group and the B-material feeding pipe group to the grouting device 100, which is pre-installed in the pipeline to be repaired. A traction device drives the grouting device 100 forward slowly. The location of the leakage point is observed by a first camera 150 and precisely positioned by a second camera 160 at the top, ensuring the leakage point is between the annular airbags at the front and rear. The annular airbags are activated to seal the leakage area. The A-material sprayer 131 and the B-material sprayer 132 simultaneously spray grout into the sealed area. The air jetting device 140 activates the air supply, forcing the mixed AB grout into the soil outside the leakage point, where it quickly gels. This forms a protective layer outside the leakage point to prevent further seepage. This method achieves immediate seepage prevention and water-stopping effects after gelation, preventing both internal water seepage and external water seepage, while also meeting the requirements of in-situ curing repair.

[0089] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model.

Claims

1. A pipeline seepage prevention pretreatment system, characterized in that, Including grouting equipment; The grouting device includes a support shell, a camera device, a sealing device, a grouting device, and a jetting device; The camera device is installed at the front end of the support housing and is used to monitor the location of leakage inside the pipe; At least one sealing device is fitted on each side of the support shell along its length. The sealing device is an annular airbag, which is used to make close contact with the inner wall of the pipe to seal both sides of the leakage location. The grouting device is disposed on the outer wall of the support shell and is located between the sealing devices on both sides of the support shell along its length, for injecting grouting material into the leakage location in the pipe. The jetting device is used to press grouting material into the soil outside the seepage point, so that a seepage-proof and water-stopping protective layer is formed outside the seepage point to prevent leakage.

2. The pipeline seepage prevention pretreatment system according to claim 1, characterized in that, The camera device includes a first camera, a second camera, a first lighting device, and a second lighting device; The first camera is connected to the upper front end of the support housing via a camera bracket, and is used to monitor the leakage location at the front end of the grouting device inside the pipeline. The first lighting device is located on both sides of the first camera and is used to provide ambient lighting; The second camera is connected to the upper part of the housing of the first camera. The second camera is used to monitor the leakage location at the rear end of the grouting device in the pipeline and the real-time grouting dynamics. The second lighting device is located on both sides of the second camera and is used to provide ambient lighting.

3. The pipeline seepage prevention pretreatment system according to claim 2, characterized in that, The grouting device includes an A-material sprayer and a B-material sprayer; Among them, the A-material sprayer and the B-material sprayer are used to simultaneously spray the A-material slurry and the B-material slurry to the leakage location inside the pipeline.

4. The pipeline seepage prevention pretreatment system according to claim 3, characterized in that, The jet device includes a jet head and an air supply pipe, wherein the jet head is connected to the air supply pipe.

5. The pipeline seepage prevention pretreatment system according to claim 4, characterized in that, A pressure sensor is installed on the support housing to measure the pressure during the grouting process.

6. The pipeline seepage prevention pretreatment system according to claim 1, characterized in that, The front end of the support housing is provided with a first traction ring for connecting the traction cable.

7. The pipeline seepage prevention pretreatment system according to claim 5, characterized in that, It also includes a composite cable and a fixing ring; the composite cable is connected to the rear side of the support housing, and the interior of the composite cable is used to transmit camera signal lines, A material supply pipe group, B material supply pipe group, air supply pipe group and pressure sensing lines; The camera signal line is used for electrical connection to the camera device; The A-material supply pipe assembly is used to connect the A-material sprayer; The B material supply pipe assembly is used to connect the B material spraying device; The air supply pipe assembly is used to connect the jet device; The pressure sensing wire is used for electrical connection to the pressure sensor; The retaining ring is used to fix the composite cable to the supporting housing.

8. The pipeline seepage prevention pretreatment system according to claim 7, characterized in that, It also includes a feeding device, which includes an A material lifting pump, a B material lifting pump, an A material storage device, a B material storage device, and a feeding pressure cabinet; The input end of the A material lifting pump is connected to the A material storage device, and the output end of the A material lifting pump is connected to the A material feeding pipe assembly. The input end of the B material lifting pump is connected to the B material storage device, and the output end of the B material lifting pump is connected to the B material supply pipe assembly. The feeding pressure cabinet includes a cabinet body, an operation display, and a hydraulic device; The operation display is mounted on the cabinet. The hydraulic device is installed inside the cabinet and is connected to the A material lifting pump and the B material lifting pump respectively, and is used to provide hydraulic power to the A material lifting pump and the B material lifting pump respectively.

9. The pipeline seepage prevention pretreatment system according to claim 4, characterized in that, It also includes an air compressor, which is connected to the jet device via a pipe.

10. The pipeline seepage prevention pretreatment system according to claim 8, characterized in that, It also includes a control system, which includes a grouting console, a video display, a data display screen, and a grouting operation panel; The grouting operation screen is electrically connected to the grouting control console, and the grouting control console is electrically connected to the feeding device; The video display is electrically connected to the camera device via the camera signal line; The data display screen is electrically connected to the grouting control console and pressure sensor.

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