Intelligent exhaust equipment and exhaust method for internally penetrating and repairing pipeline

Abstract

The invention provides intelligent exhaust equipment and exhaust method for internally penetrating and repairing a pipeline, the intelligent exhaust equipment for internally penetrating and repairing the pipeline comprises a pressure monitoring device, at least one part of the pressure monitoring device is used for communicating with an interlayer formed by a metal pipe and a lining pipe, and the pressure monitoring device can measure the gas pressure of the interlayer; one end of the exhaust device communicates with the pressure monitoring device, and the exhaust device can exhaust gas in the interlayer; the energy storage and power supply device comprises a photovoltaic module and a storage battery, the energy storage and power supply device is electrically connected with the pressure monitoring device and the exhaust device, and the energy storage and power supply device is used for supplying power to the intelligent exhaust equipment for internally penetrating and repairing the pipeline in an environment without power supply; and the data processing device is electrically connected with the pressure monitoring device, and the data processing device is used for collecting gas pressure data of the interlayer. The problem that in the prior art, the stability of an internally-inserted repaired pipeline is poor is solved.

Description

Technical Field

[0001] The present invention relates to the technical field of oilfield transportation equipment, and in particular, to an intelligent exhaust device and an exhaust method for an internally inserted repaired pipeline. Background Art

[0002] The corrosion of the metal gathering and transportation pipeline network in oilfields is serious. Using thermoplastic plastic pipes such as polyethylene pipes for internal insertion repair is a way of pipeline reuse that is fast, efficient, and can significantly reduce costs compared to newly built pipelines. At present, the total mileage of the internally inserted repaired pipelines in domestic oilfields has exceeded 5,000 kilometers, and the failure rate of the pipelines after repair due to corrosion has decreased significantly. However, with the extension of the service time, some new problems have also emerged. The gas barrier property of thermoplastic plastic pipes is worse than that of metal pipes, which leads to the fact that when transporting liquids with a high gas-liquid ratio or transporting gas, gas is easily permeated through the inner lining pipe wall into the interlayer. When the pipeline is rapidly depressurized, the pressure on the outer layer of the inner lining pipe wall is high and the pressure inside the pipe is low, forming a pressure difference, which easily causes the inner lining pipe body to collapse. At present, to solve the problem of the collapse of the internally inserted pipeline caused by gas penetration, pipes with high gas barrier properties can be used to reduce the gas penetration amount. However, the price of pipes with high gas barrier properties is twice as high as that of polyethylene pipes, and the economy is poor.

[0003] That is to say, there is a problem of poor stability in the internally inserted repaired pipeline in the prior art. Summary of the Invention

[0004] The main object of the present invention is to provide an intelligent exhaust device and an exhaust method for an internally inserted repaired pipeline to solve the problem of poor stability of the internally inserted repaired pipeline in the prior art.

[0005] To achieve the above object, according to one aspect of the present invention, there is provided an intelligent exhaust device for an internally inserted repaired pipeline, including: a pressure monitoring device, at least a part of which is used to connect the interlayer formed by the metal pipe and the inner lining pipe, and the pressure monitoring device can measure the gas pressure in the interlayer; an exhaust device, one end of which is connected to the pressure monitoring device, and the exhaust device can discharge the gas in the interlayer; an energy storage power supply device, the energy storage power supply device includes a photovoltaic module and a storage battery, the energy storage power supply device is electrically connected to the pressure monitoring device and the exhaust device, and the energy storage power supply device is used to supply power to the intelligent exhaust device for the internally inserted repaired pipeline in a power-off environment; a data processing device, the data processing device is electrically connected to the pressure monitoring device, and the data processing device is used to collect the gas pressure data in the interlayer.

[0006] Further, the metal pipe has exhaust holes, and the pressure monitoring device is communicated with the exhaust holes. The pressure monitoring device includes: a connecting base fixedly connected to the metal pipe, the connecting base having a central through hole communicated with the exhaust holes; a monitoring riser, one end of the monitoring riser extending into the central through hole to communicate the monitoring riser with the exhaust holes; a pressure sensing mechanism provided at the end of the monitoring riser away from the connecting base for measuring the gas pressure in the interlayer.

[0007] Further, the monitoring riser has a plurality of connecting pipe segments which are threadedly connected to each other.

[0008] Further, the extending direction of the monitoring riser is perpendicular to the extending direction of the metal pipe, so that the pressure sensing mechanism is located above the metal pipe.

[0009] Further, the exhaust device includes an automatic exhaust mechanism electrically connected to the pressure monitoring device, so that when the gas pressure in the interlayer reaches a preset pressure, the automatic exhaust mechanism can exhaust the gas in the interlayer.

[0010] Further, the automatic exhaust mechanism includes a solenoid valve and an automatic exhaust pipeline. One end of the automatic exhaust pipeline is communicated with the pressure monitoring device, and the solenoid valve is arranged on the automatic exhaust pipeline to control the on-off of the automatic exhaust pipeline.

[0011] Further, the exhaust device further includes a manual exhaust mechanism, and at least a part of the manual exhaust mechanism is communicated with the pressure monitoring device.

[0012] Further, the extending direction of the automatic exhaust mechanism is parallel to the extending direction of the metal pipe.

[0013] Further, the exhaust device includes a guide pipe. One end of the guide pipe is communicated with the end of the exhaust device away from the pressure monitoring device, and the other end of the guide pipe extends away from the metal pipe.

[0014] Further, the intelligent exhaust device for internally inserted repair pipeline further includes a gas treatment device arranged at the end of the exhaust device away from the pressure monitoring device.

[0015] Further, the gas treatment device includes a gas purification mechanism and a gas component detection mechanism, and the gas component detection mechanism is arranged closer to the exhaust device than the gas purification mechanism.

[0016] According to another aspect of the present invention, an exhaust method for internally inserted repaired pipelines is provided. Using the above-mentioned intelligent exhaust device for internally inserted repaired pipelines, the exhaust method for internally inserted repaired pipelines includes: determining the installation position of the intelligent exhaust device for internally inserted repaired pipelines on the metal pipe; drilling an exhaust hole on the metal pipe at the installation position; fixing the pressure monitoring device of the intelligent exhaust device for internally inserted repaired pipelines at the installation position so that the pressure monitoring device communicates with the exhaust hole; controlling the on / off of the exhaust device of the intelligent exhaust device for internally inserted repaired pipelines according to the gas pressure in the interlayer of the internally inserted repaired pipeline.

[0017] Further, in the process of controlling the on / off of the exhaust device of the intelligent exhaust device for internally inserted repaired pipelines according to the gas pressure in the interlayer of the internally inserted repaired pipeline, it includes: determining the preset pressure of the exhaust device; judging the magnitude relationship between the gas pressure in the interlayer and the preset pressure; if the gas pressure in the interlayer is greater than the preset pressure, connecting the exhaust device to discharge the gas; if the gas pressure in the interlayer is less than or equal to the preset pressure, disconnecting the exhaust device to block the gas discharge.

[0018] Further, in the process of determining the preset pressure of the exhaust device, it includes: calculating the critical collapse pressure of the internally inserted repaired pipeline and taking the critical collapse pressure as the preset pressure.

[0019] Further, the two ends of the metal pipe are divided into a high-pressure end and a low-pressure end, and the installation position is located at the low-pressure end.

[0020] Applying the technical solution of the present invention, the intelligent exhaust device for internally inserted repaired pipelines includes a pressure monitoring device, an exhaust device, an energy storage power supply device, and a data processing device. At least a part of the pressure monitoring device is used to communicate the interlayer formed by the metal pipe and the lining pipe, and the pressure monitoring device can measure the gas pressure in the interlayer; one end of the exhaust device is connected to the pressure monitoring device, and the exhaust device can discharge the gas in the interlayer; the energy storage power supply device includes a photovoltaic module and a storage battery, and the energy storage power supply device is electrically connected to the pressure monitoring device and the exhaust device, and the energy storage power supply device is used to supply power to the intelligent exhaust device for internally inserted repaired pipelines in a power-off environment; the data processing device is electrically connected to the pressure monitoring device, and the data processing device is used to collect the gas pressure data in the interlayer.

[0021] By setting up a pressure monitoring device, the gas pressure in the interlayer between the metal pipe and the lining pipe can be monitored in real time, avoiding the collapse of the lining pipe caused by the gas pressure exceeding its bearing capacity. When it is detected that the gas pressure reaches the preset pressure, the exhaust device is controlled to discharge the gas in the interlayer to ensure the stability of the internal structure. By setting up an energy storage power supply device, in coordination with the power supply situation at the work site, in an environment without power supply or during a power outage, and when the lighting conditions are good, the photovoltaic module converts solar energy into electrical energy for the operation of the entire intelligent exhaust device for in-situ rehabilitation pipeline, and at the same time, it is input into the storage battery for storage. When the lighting conditions are poor, the storage battery supplies power. The data processing device collects the gas pressure data in the interlayer to record and analyze the internal state of the pipeline to ensure the normal operation of the pipeline. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The accompanying drawings forming a part of this application are used to provide a further understanding of the present invention. The schematic embodiments and descriptions thereof of the present invention are used to explain the present invention and do not constitute an improper limitation to the present invention. In the drawings:

[0023] Figure 1 shows a schematic structural diagram of an intelligent exhaust device for in-situ rehabilitation pipeline according to an optional embodiment of the present invention;

[0024] Figure 2 shows Figure 1 a sectional view of the installation position of the metal pipe and the pressure monitoring device in

[0025] Figure 3 shows Figure 2 an enlarged schematic view of the installation position in

[0026] Figure 4 shows a flowchart of an exhaust method for in-situ rehabilitation pipeline according to an optional embodiment of the present invention.

[0027] Among them, the above-mentioned drawings include the following reference numerals:

[0028] 10. Pressure monitoring device; 11. Connection base; 12. Monitoring riser; 13. Pressure sensing mechanism; 20. Exhaust device; 21. Automatic exhaust mechanism; 211. Solenoid valve; 212. Automatic exhaust pipeline; 22. Manual exhaust mechanism; 221. Manual exhaust valve; 222. Manual exhaust pipeline; 23. Air duct; 30. Energy storage power supply device; 31. Photovoltaic module; 32. Storage battery; 40. Data processing device; 41. Signal transmitter; 50. Metal pipe; 51. Exhaust hole; 60. Lining pipe; 70. Gas treatment device. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0029] It should be noted that, without conflict, the embodiments in the present application and the features in the embodiments may be combined with each other. The present invention will be described in detail below with reference to the drawings and in combination with the embodiments.

[0030] It should be pointed out that, unless otherwise specified, all technical and scientific terms used in the present application have the same meaning as commonly understood by those of ordinary skill in the technical field to which the present application belongs.

[0031] In the present invention, unless otherwise stated, the orientation words such as "upper, lower, top, bottom" are usually in reference to the directions shown in the drawings, or in reference to the vertical, perpendicular or gravitational directions of the components themselves; similarly, for ease of understanding and description, "inner, outer" refer to the inner and outer of the contours of the respective components, but the above orientation words are not used to limit the present invention.

[0032] The main object of the present invention is to provide an intelligent exhaust device and an exhaust method for internally inserted repaired pipelines, so as to solve the problem of poor stability of internally inserted repaired pipelines in the prior art.

[0033] As Figures 1 to 4 shown, the intelligent exhaust device for internally inserted repaired pipelines includes a pressure monitoring device 10, an exhaust device 20, an energy storage power supply device 30 and a data processing device 40. At least a part of the pressure monitoring device 10 is used to communicate with the interlayer formed by the metal pipe 50 and the lining pipe 60, and the pressure monitoring device 10 can measure the gas pressure in the interlayer; one end of the exhaust device 20 is connected to the pressure monitoring device 10, and the exhaust device 20 can discharge the gas in the interlayer; the energy storage power supply device 30 includes a photovoltaic module 31 and a storage battery 32, and the energy storage power supply device 30 is electrically connected to the pressure monitoring device 10 and the exhaust device 20. The energy storage power supply device 30 is used to supply power to the intelligent exhaust device for internally inserted repaired pipelines in a power-off environment; the data processing device 40 is electrically connected to the pressure monitoring device 10, and the data processing device 40 is used to collect the gas pressure data in the interlayer.

[0034] By setting up the pressure monitoring device 10, the gas pressure in the interlayer between the metal pipe 50 and the lining pipe 60 can be monitored in real time, avoiding the collapse of the lining pipe 60 caused by the gas pressure exceeding the bearing capacity of the lining pipe 60. When it is detected that the gas pressure reaches the preset pressure, the exhaust device 20 is controlled to discharge the gas in the interlayer to ensure the stability of the internal structure. By setting up the energy storage power supply device 30, in cooperation with the power supply situation at the work site, in an environment without power supply or power outage, when the light condition is good, the photovoltaic module 31 converts solar energy into electric energy for the operation of the entire intelligent exhaust device for in-situ pipe repair, and at the same time inputs it into the storage battery 32 for storage. When the light condition is not good, it is powered by the storage battery 32. The data processing device 40 collects the gas pressure data in the interlayer to record and analyze the internal state of the pipeline to ensure the normal operation of the pipeline.

[0035] It should be noted that the function and working mode of the energy storage power supply device 30 depend on whether there is power supply on site. In a scenario with on-site power supply, in the normal power supply mode, the intelligent exhaust device for in-situ pipe repair can be powered by an external power supply to operate. In an environment without power supply or power outage, the energy storage power supply device 30 can provide sufficient power support. Preferably, the power supply capacity of the storage battery 32 is not less than 168 hours.

[0036] As Figure 2 and Figure 3 As shown, the metal pipe 50 has an exhaust hole 51, and the pressure monitoring device 10 is communicated with the exhaust hole 51. The pressure monitoring device 10 includes a connection base 11, a monitoring riser 12 and a pressure sensing mechanism 13. The connection base 11 is fixedly connected to the metal pipe 50. The connection base 11 has a central through hole, and the central through hole is communicated with the exhaust hole 51; one end of the monitoring riser 12 extends into the central through hole so that the monitoring riser 12 is communicated with the exhaust hole 51; the pressure sensing mechanism 13 is arranged at the end of the monitoring riser 12 away from the connection base 11, and the pressure sensing mechanism 13 is used to measure the gas pressure in the interlayer. By fixing the connection base 11 on the metal pipe 50, while fixing the monitoring riser 12, it avoids the direct leakage of gas from the connection base 11 and the monitoring riser 12, and the monitoring riser 12 is communicated with the interlayer through the exhaust hole 51 on the metal pipe 50, so that the air pressure at the pressure sensing mechanism 13 is the same as that in the interlayer. Furthermore, the pressure sensing mechanism 13 measures the gas pressure in the interlayer and transmits the measured data to the data processing device 40 for data transmission and recording.

[0037] Optionally, the pressure sensing mechanism 13 includes a pressure sensor, which can detect and transmit the gas pressure in the interlayer in real time.

[0038] As Figure 1As shown, the monitoring riser 12 has a plurality of connecting pipe segments, which are threadedly connected to each other to select different lengths of the monitoring riser 12 according to the burial depth of the metal pipe 50.

[0039] Optionally, the plurality of connecting pipe segments are threadedly connected and sealed with sealant when threadedly connected, which plays a role in strengthening the seal after connection.

[0040] As Figure 1 shown, the extending direction of the monitoring riser 12 is perpendicular to the extending direction of the metal pipe 50, so that the pressure sensing mechanism 13 is located above the metal pipe 50, thus matching the upward gas discharge flow direction.

[0041] As Figure 1 shown, the exhaust device 20 includes an automatic exhaust mechanism 21, and the automatic exhaust mechanism is electrically connected to the pressure monitoring device, so that when the gas pressure in the interlayer reaches the preset pressure, the automatic exhaust mechanism can exhaust the gas in the interlayer.

[0042] As Figure 1 shown, the automatic exhaust mechanism 21 includes an electromagnetic valve 211 and an automatic exhaust pipeline 212. One end of the automatic exhaust pipeline 212 is connected to the pressure monitoring device 10, and the electromagnetic valve 211 is arranged on the automatic exhaust pipeline 212 to control the on-off of the automatic exhaust pipeline 212. When the gas pressure in the interlayer reaches the preset pressure, the electromagnetic valve 211 can be triggered to open for automatic exhaust operation. After the pressure drops to the safe pressure, the electromagnetic valve 211 closes to complete the automatic exhaust operation.

[0043] As Figure 1 shown, the exhaust device 20 further includes a manual exhaust mechanism 22, and at least a part of the manual exhaust mechanism 22 is connected to the pressure monitoring device 10. The manual exhaust mechanism 22 includes a manual exhaust valve 221 and a manual exhaust pipeline 222. When the automatic exhaust mechanism 21 fails or on-site exhaust operation is required, the manual exhaust valve 221 can be opened for exhaust. After the pressure drops, the valve is closed to complete the manual exhaust operation.

[0044] As Figure 1 shown, the extending direction of the automatic exhaust mechanism 21 is parallel to the extending direction of the metal pipe 50, which is beneficial to reasonably utilize the underground space to arrange the exhaust pipeline.

[0045] As Figure 1 shown, the exhaust device 20 includes a gas guide pipe 23. One end of the gas guide pipe 23 is connected to the end of the exhaust device 20 away from the pressure monitoring device 10, and the other end of the gas guide pipe 23 extends in a direction away from the metal pipe 50 due to the outward gas discharge.

[0046] As Figure 1As shown in the figure, the intelligent exhaust device for the internally inserted repair pipeline further includes a gas treatment device 70. The gas treatment device 70 is arranged at one end of the exhaust device 20 away from the pressure monitoring device 10, so as to detect the gas before emission and ensure that the emitted gas meets the regulations.

[0047] As Figure 1 shown in the figure, the gas treatment device 70 includes a gas purification mechanism and a gas component detection mechanism. The gas component detection mechanism is arranged closer to the exhaust device 20 than the gas purification mechanism. When the gas component detection mechanism detects that the discharged gas contains harmful gases such as hydrogen sulfide, it can be absorbed or converted into harmless gas by the gas purification mechanism and then discharged into the environment.

[0048] Optionally, the data processing device 40 is composed of a data storage hard disk and a signal transmitter 41, and is connected to the pressure monitoring device 10, the gas treatment device 70, and the exhaust device 20 through data lines. The capacity of the data storage hard disk can store at least two months of data. The signal transmitter 41 can send the data to a mobile phone or a base station through 4G or 5G signals, which is convenient for viewing the data and subsequent research and judgment operations.

[0049] Optionally, the intelligent exhaust device for the internally inserted repair pipeline further includes an intelligent control terminal. The intelligent control terminal includes a computer or a mobile phone equipped with data processing application software, which can receive the 4G or 5G signals transmitted by the data processing device 40, and perform remote operations on the critical pressure of exhaust, the exhaust cycle, the exhaust time, etc. through data recording and analysis.

[0050] The present invention also provides a method for exhausting gas from an internally inserted repair pipeline. Using the above-mentioned intelligent exhaust device for the internally inserted repair pipeline, the method for exhausting gas from the internally inserted repair pipeline includes: Step S10: Determine the installation position of the intelligent exhaust device for the internally inserted repair pipeline on the metal pipe 50; Step S20: Drill an exhaust hole 51 on the metal pipe 50 at the installation position; Step S30: Fix the pressure monitoring device 10 of the intelligent exhaust device for the internally inserted repair pipeline at the installation position so that the pressure monitoring device 10 is communicated with the exhaust hole 51; Step S40: Control the on-off of the exhaust device 20 of the intelligent exhaust device for the internally inserted repair pipeline according to the gas pressure in the interlayer of the internally inserted repair pipeline.

[0051] By selecting a suitable installation position for the intelligent exhaust device for the internally inserted repair pipeline through step S10, drilling the metal pipe 50 using step S20, thereby connecting the pressure monitoring device 10 with the exhaust hole 51 using step S30, and under the monitoring of the gas pressure in the interlayer by the pressure monitoring device 10, controlling whether the exhaust device 20 discharges gas using step S40 to ensure that the gas pressure in the interlayer meets the normal operation requirements.

[0052] It should be noted that multiple installation positions can be set on the metal pipe 50 to install multiple intelligent exhaust devices for internally inserted repair pipes. The preferred installation interval of multiple intelligent exhaust devices for internally inserted repair pipes along the pipeline is 500 meters. The installation positions can also be selected according to specific construction conditions and installed at the downstream of each pipeline section.

[0053] It should be noted that after selecting the installation position, exhaust holes with a diameter of 3-5 mm are drilled in the pipe wall of the corresponding metal pipe 50, ensuring that the exhaust holes penetrate the pipe wall of the metal pipe 50 without damaging the lining pipe 60, so as to ensure that the sandwich gas can escape through the exhaust holes.

[0054] Specifically, in the process of controlling the on-off of the exhaust device of the intelligent exhaust device for internally inserted repair pipes according to the gas pressure in the sandwich of the internally inserted repair pipes, it includes: determining the preset pressure of the exhaust device 20; judging the magnitude of the gas pressure in the sandwich and the preset pressure; if the gas pressure in the sandwich is greater than the preset pressure, the exhaust device 20 is connected to discharge the gas; if the gas pressure in the sandwich is less than or equal to the preset pressure, the exhaust device 20 is disconnected to block the gas discharge. By judging the gas pressure in the sandwich and the preset pressure, the exhaust operation of the exhaust device 20 is reasonably controlled to ensure the stable operation of the internal pipeline.

[0055] Specifically, in the process of determining the preset pressure of the exhaust device 20, it includes: calculating the critical collapse pressure of the internally inserted repair pipe and taking the critical collapse pressure as the preset pressure. To ensure that the pipeline is under normal working pressure, the exhaust device 20 can have fewer working times, thereby improving the service life of the device.

[0056] Specifically, the two ends of the metal pipe 50 are divided into a high-pressure end and a low-pressure end, and the installation position is located at the low-pressure end.

[0057] It should be noted that the pipeline is composed of multiple connected metal pipes 50. Each metal pipe 50 has a high-pressure end with a relatively high pressure and a low-pressure section with a relatively low pressure. Since the gas flows from the high-pressure end to the low-pressure end, setting the installation position at the low-pressure end is conducive to the discharge of the gas in this section of the metal pipe 50.

[0058] After the intelligent exhaust device for in-situ rehabilitation pipeline in the present application is installed on the metal pipe 50, the whole set of equipment is powered on for testing to ensure the normal functions of data acquisition, valve opening and closing, pipe wall, signal transmission, etc. During the pipeline pressure test, the intelligent exhaust device for in-situ rehabilitation pipeline is tried out. There is a pressure holding operation during the pipeline pressure test. When the pipeline is pressurized, the intelligent exhaust device for in-situ rehabilitation pipeline is opened to monitor the gas pressure in the interlayer, and whether the functions such as the operation of the automatic exhaust mechanism or manual exhaust mechanism, data transmission, and data recording are normal is verified according to whether the gas pressure in the interlayer reaches the critical pressure. After all functions are normal, the whole set of intelligent exhaust device for in-situ rehabilitation pipeline is turned on before the pipeline operates normally to collect the gas pressure in the interlayer. The critical collapse pressure can be calculated based on the material, specification size, and mechanical properties of the liner pipe and used as the preset pressure for exhaust. In the initial stage of operation, line patrol is arranged to check whether the equipment operates normally. After the equipment operates normally, remote monitoring and operation can be carried out.

[0059] From the above description, it can be seen that the above embodiments of the present invention achieve the following technical effects:

[0060] 1. By setting the pressure monitoring device 10, the gas pressure in the interlayer between the metal pipe 50 and the liner pipe 60 can be monitored in real time, avoiding the collapse of the liner pipe 60 caused by the gas pressure exceeding the bearing capacity of the liner pipe 60. When the monitored gas pressure reaches the preset pressure, the exhaust device 20 is controlled to discharge the gas in the interlayer to ensure the stability of the internal structure.

[0061] 2. By setting the energy storage power supply device 30 and cooperating with the power supply situation at the work site, in an environment without power supply or power outage, when the light condition is good, the photovoltaic module 31 converts solar energy into electric energy to supply the operation of the whole intelligent exhaust device for in-situ rehabilitation pipeline, and at the same time, it is input into the storage battery 32 for storage. When the light condition is not good, the storage battery 32 supplies power.

[0062] 3. The data processing device 40 collects the gas pressure data in the interlayer to record and analyze the internal state of the pipeline to ensure the normal operation of the pipeline.

[0063] Obviously, the above-described embodiments are only a part of the embodiments of the present invention, rather than all embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0064] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular forms are also intended to include the plural forms. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, they specify the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0065] It should be noted that the terms "first", "second", etc. in the description, claims and above-mentioned drawings of the present application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances so that the embodiments of the present application described herein can be implemented in an order different from those illustrated or described herein.

[0066] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. An intelligent exhaust device for in-situ cross repair of pipelines, characterized in that, Comprising: A pressure monitoring device (10), at least a part of the pressure monitoring device (10) is used to communicate with the interlayer formed by the metal pipe (50) and the lining pipe (60), and the pressure monitoring device (10) can measure the gas pressure in the interlayer; An exhaust device (20), one end of the exhaust device (20) is communicated with the pressure monitoring device (10), and the exhaust device (20) can discharge the gas in the interlayer; An energy storage power supply device (30), the energy storage power supply device (30) includes a photovoltaic module (31) and a storage battery (32), the energy storage power supply device (30) is electrically connected to the pressure monitoring device (10) and the exhaust device (20), and the energy storage power supply device (30) is used to supply power to the intelligent exhaust equipment for the internally inserted repair pipe in a non-powered environment; A data processing device (40), the data processing device (40) is electrically connected to the pressure monitoring device (10), and the data processing device (40) is used to collect the gas pressure data in the interlayer.

2. The intelligent exhaust device for internally inserted repaired pipelines according to claim 1, wherein, The metal pipe (50) has an exhaust hole (51), the pressure monitoring device (10) is communicated with the exhaust hole (51), and the pressure monitoring device (10) includes: A connection base (11), the connection base (11) is fixedly connected to the metal pipe (50), the connection base (11) has a central through hole, and the central through hole is communicated with the exhaust hole (51); A monitoring riser (12), one end of the monitoring riser (12) extends into the central through hole so that the monitoring riser (12) is communicated with the exhaust hole (51); A pressure sensing mechanism (13), the pressure sensing mechanism (13) is arranged at one end of the monitoring riser (12) away from the connection base (11), and the pressure sensing mechanism (13) is used to measure the gas pressure in the interlayer.

3. The intelligent exhaust device for internally inserted repaired pipelines according to claim 2, characterized in that, The monitoring riser (12) has a plurality of connecting pipe sections, and the plurality of connecting pipe sections are threadedly connected.

4. The intelligent exhaust device for internally inserted repaired pipelines according to claim 2, characterized in that, The extending direction of the monitoring riser (12) is perpendicular to the extending direction of the metal pipe (50) so that the pressure sensing mechanism (13) is located above the metal pipe (50).

5. The intelligent exhaust device for internally inserted repaired pipelines according to claim 1, characterized in that, The exhaust device (20) includes an automatic exhaust mechanism (21), and the automatic exhaust mechanism (21) is electrically connected to the pressure monitoring device (10) so that when the gas pressure in the interlayer reaches a preset pressure, the automatic exhaust mechanism (21) can discharge the gas in the interlayer.

6. The intelligent exhaust device for internally inserted pipeline repair according to claim 5, wherein The automatic exhaust mechanism (21) includes an electromagnetic valve (211) and an automatic exhaust pipeline (212), one end of the automatic exhaust pipeline (212) is communicated with the pressure monitoring device (10), and the electromagnetic valve (211) is arranged on the automatic exhaust pipeline (212) to control the on-off of the automatic exhaust pipeline (212).

7. The intelligent exhaust device for internally inserted pipeline repair according to claim 5, characterized in that The exhaust device (20) further includes a manual exhaust mechanism (22), and at least a part of the manual exhaust mechanism (22) is communicated with the pressure monitoring device (10).

8. The intelligent exhaust device for internally inserted repaired pipelines according to claim 5, characterized in that, The extending direction of the automatic exhaust mechanism (21) is parallel to the extending direction of the metal pipe (50).

9. The intelligent exhaust device for internally inserted repaired pipelines according to any one of claims 1 to 8, characterized in that, The exhaust device (20) includes an air duct (23). One end of the air duct (23) communicates with one end of the exhaust device (20) far from the pressure monitoring device (10), and the other end of the air duct (23) extends away from the metal pipe (50).

10. The intelligent exhaust device for internally inserted pipeline repair according to any one of claims 1 to 8, characterized in that, The intelligent exhaust device for internally inserted repair pipeline further includes a gas treatment device (70). The gas treatment device (70) is arranged at one end of the exhaust device (20) far from the pressure monitoring device (10).

11. The intelligent exhaust device for internally inserted repaired pipeline according to claim 10, characterized in that, The gas treatment device (70) includes a gas purification mechanism and a gas component detection mechanism. The gas component detection mechanism is arranged closer to the exhaust device (20) than the gas purification mechanism.

12. An exhaust method for in-situ cross-linked repaired pipelines, characterized in that, Using the intelligent exhaust device for internally inserted repair pipeline according to any one of claims 1 to 11, the exhaust method for internally inserted repair pipeline includes: Determine the installation position of the intelligent exhaust device for internally inserted repair pipeline on the metal pipe (50); Drill an exhaust hole (51) on the metal pipe (50) at the installation position; Fix the pressure monitoring device (10) of the intelligent exhaust device for internally inserted repair pipeline at the installation position so that the pressure monitoring device (10) communicates with the exhaust hole (51); Control the on-off of the exhaust device (20) of the intelligent exhaust device for internally inserted repair pipeline according to the gas pressure in the interlayer of the internally inserted repair pipeline.

13. The internal insertion repair pipeline exhaust method according to claim 12, wherein In the process of controlling the on-off of the exhaust device (20) of the intelligent exhaust device for internally inserted repair pipeline according to the gas pressure in the interlayer of the internally inserted repair pipeline, it includes: Determine the preset pressure of the exhaust device (20); Judge the magnitude of the gas pressure in the interlayer and the preset pressure; If the gas pressure in the interlayer is greater than the preset pressure, connect the exhaust device (20) to discharge the gas; If the gas pressure in the interlayer is less than or equal to the preset pressure, the exhaust device (20) is disconnected to block the gas discharge.

14. The internal insertion repair pipeline exhaust method according to claim 13, characterized in that, In the process of determining the preset pressure of the exhaust device (20), it includes: calculating the critical collapse pressure of the internally inserted repair pipeline and taking the critical collapse pressure as the preset pressure.

15. The internal insertion repair pipeline exhaust method according to claim 13, wherein, Both ends of the metal pipe (50) are divided into a high-pressure end and a low-pressure end, and the installation position is located at the low-pressure end.

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