Position monitoring device for blockage of filling pipeline and dredging method

Abstract

The invention provides a filling pipeline blockage position monitoring device and a dredging method.The filling pipeline blockage position monitoring device comprises a filling system and a data acquisition station, one end of the filling system is connected with a valve through a connecting pipe, one end of the valve is connected with a main conveying pipeline, and one end of the main conveying pipeline is connected with a three-way valve; the end of the three-way valve is connected with a pressure monitoring valve and a filling area through pipelines, one end of the pressure monitoring valve is connected with an air inlet pipeline, one end of the air inlet pipeline is connected with an air storage tank, and one end of the air storage tank is connected with an air compressor through a connecting pipe. According to the position monitoring device for pipe blocking of the filling pipeline, the pipe blocking position can be determined through online monitoring of the pressure in the pipeline, the filling pipeline is dredged through aerodynamic force, and the labor input amount and the economic consumption cost are reduced.

Description

Technical Field

[0001] The invention relates to the field of paste filling, and in particular to a position monitoring device for a blocked filling pipeline and a clearing method. Background Art

[0002] Paste filling is an important link in the development of green mines. The stable characteristics of paste without stratification, segregation and water seepage can effectively fill underground goaf and control ground pressure disasters. The preparation of paste will consume a large amount of mining solid waste such as tailings and waste rock, so that the harm of solid waste accumulation to the surface environment can be controlled.

[0003] The patent application with announcement number CN117028873A proposed in the prior art is through a filling pipeline, a pressure monitoring valve, an anti-blocking pipe unloading valve, a high-pressure liquid supply system, a pressure sensor, an underground monitoring main station, an optical fiber, a mine-used intrinsically safe optical terminal, a local area network and an on-site centralized control console. The invention transmits the signal to the on-site centralized control room through the local area network through the connection of the pressure monitoring valve with the underground monitoring main station and the optical fiber, and stores the real-time data through the on-site centralized control room to generate a pressure monitoring curve; completes the online remote monitoring of the pressure in the filling trunk pipeline and the remote control of the pressure pipe valve operation, and promptly determines the location and cause of the pipeline fault; when the high-pressure pipe is blocked, the anti-blocking pipe unloading valve automatically unloads the material to ensure the safety of the filling pipeline; ensures the filling efficiency of the coal mine, reduces the waste of resources and unnecessary losses in the production of the enterprise.

[0004] The patent application with announcement number CN116608006A proposed in the prior art detects the filling pipe pressure by using a contact diaphragm pressure transmitter, reduces the impact of large-size particles in the coarse aggregate paste on the sensor movement, ensures stable detection of the pressure sensor, improves data reliability, increases the service life of the sensor, and reduces maintenance costs; improves the detection accuracy of the pressure sensor through a contact installation method, and installs a sensor base in the original filling pipe to reduce the installation cost of the sensor and improve installation efficiency; builds a real-time data transmission communication network to interconnect the pressure detection points of the entire pipeline, forming a pipeline pressure monitoring network system, and providing real-time monitoring data for the analysis and evaluation of the pipeline transportation status; with the help of prediction algorithms, realizes quantitative characterization of the pipeline transportation status and model prediction and early warning, creating time conditions for emergency treatment of signs of pipe blockage.

[0005] In paste filling, pipe blockage accidents are divided into the following categories: the paste flow rate does not meet the design requirements, resulting in the segregation of slurry aggregates and siltation in the filling pipe, causing pipe blockage; the material ratio is out of control during the preparation of the paste, resulting in excessive coarse aggregate content, causing pipe blockage; the paste concentration is too high, and the slurry fluidity cannot meet the transportation needs. In the filling and mining process, the filling pipeline system is the most important link. If a pipe blockage accident occurs, it will cause construction delays and reduced efficiency. If the pipeline cleaning process still uses the water flushing method after the pipe blockage occurs, the paste in the pipeline will be invalidated due to the reduction in slurry concentration, which will increase the cost of pipe blockage treatment. If the pipeline is not cleared in time, the paste in the pipeline will settle and solidify over time to form a filling body with a certain strength. At this time, if the ordinary pipe washing method is used, the pipeline cannot be effectively cleared, and it may even cause pipe bursting. Therefore, on-site staff are required to disassemble the pipeline to remove the agglomerated paste or replace the pipeline. If the location of the pipe blockage cannot be determined, the labor input and economic consumption costs will be greatly increased.

[0006] Therefore, it is necessary to provide a filling pipe blockage position monitoring device to solve the above technical problems. Summary of the invention

[0007] The present invention provides a device for monitoring the position of a pipe blockage in a filling pipeline, which solves the problem that a common pipe cleaning method cannot effectively clear the pipeline and may even cause a pipe burst. Therefore, on-site workers are required to disassemble the pipeline to remove the agglomerated paste or replace the pipeline. If the position of the pipe blockage cannot be determined, the labor input and economic consumption costs will be greatly increased.

[0008] In order to solve the above technical problems, the present invention provides a filling pipeline blockage position monitoring device, comprising: A filling system and a data acquisition station, wherein one end of the filling system is connected to a valve via a connecting pipe, one end of the valve is connected to a main delivery pipeline, one end of the main delivery pipeline is connected to a three-way valve, the ends of the three-way valve are respectively connected to a pressure monitoring valve and a filling area via pipelines, one end of the pressure monitoring valve is connected to an air intake pipeline, one end of the air intake pipeline is connected to an air storage tank, and one end of the air storage tank is connected to an air compressor via a connecting pipe; The delivery end of the data acquisition station is connected to a plurality of contact diaphragm pressure transmitters, and the air compressor is connected to the data acquisition station via an optical signal.

[0009] Preferably, a sensor base is provided on the main delivery pipe, a diaphragm body is provided on the top of the sensor base, a pressure transmitting unit is provided on the top of the diaphragm body, a thread is provided inside the sensor base, a mounting hole matching the sensor base is provided on the surface of the main delivery pipe, a wear-resistant isolation plate is provided on the bottom of the sensor base, and a welding point is provided between the main delivery pipe and the sensor base.

[0010] Preferably, a mounting assembly is provided on the surface of the pressure monitoring valve, and the mounting assembly includes two fixing hoops, the surfaces of the two fixing hoops are connected to T-shaped rods, both sides of the surface of the T-shaped rod are provided with mounting sleeves, a connecting frame is connected between the multiple mounting sleeves, and the center position of the surface of the connecting frame is connected to a bottom block.

[0011] Preferably, bolts are provided at the bottom of the fixing hoop.

[0012] Preferably, a protection component is provided between the two connecting frames, and the protection component includes two protection covers, and a connecting block and a fixing piece are respectively provided on one side of the two protection covers.

[0013] Preferably, a disassembly assembly is provided on one side of one of the protective covers, and the disassembly assembly comprises a transparent cover, and a ring-shaped mounting block is connected to the side of the transparent cover.

[0014] Preferably, an annular mounting groove matching the annular mounting block is formed on the surface of the protective cover, and a rubber pad is provided between the annular mounting groove and the annular mounting block.

[0015] Preferably, a fixing bolt is provided between the protective cover and the annular mounting block.

[0016] A method for clearing a position monitoring device for a filling pipeline blockage comprises the following steps: S1. When the filling pipeline is blocked, the contact diaphragm pressure transmitter of the blocked pipe section will feed back the abnormal pressure signal to the data acquisition station and send a signal to the automatic control system to automatically start the air compressor; S2. The data acquisition station receives the pipe blocking signal from the contact diaphragm pressure transmitter and automatically stops the transportation. The three-way valve on the main delivery pipeline in the filling station closes the connection between the main delivery pipelines and opens the connection between the air intake pipeline and the main delivery pipeline. S3. When the air pressure in the gas storage tank reaches a certain value, open the valve at the connection between the gas storage tank and the air inlet pipeline to ventilate the pipeline; S4. Due to the numerical difference between the contact diaphragm pressure transmitters of the downhole filling pipeline, the location of the pipeline blockage can be roughly determined; S5. If the air pressure cannot clear the filling pipe, the air pressure in the filling pipe and the air intake pipe will gradually increase. When the air pressure in the pipe reaches the safety critical value, the pressure monitoring valve on the air intake pipe will automatically open to deflate the pipe. S6. If the air pressure is unable to clear the filling pipeline, the monitoring system will determine the location of the abnormal data of the contact diaphragm pressure transmitter on the filling pipeline and the blocked pipe section, and the on-site workers will clear or replace the pipe section in the area.

[0017] Preferably, the S1 abnormal pressure signal feedback specifically includes the following steps: S11, transmitting the data of the contact diaphragm pressure transmitter to the data acquisition system, generating a neural network training set and a test set, wherein the neural network comprises: an input layer comprising four neurons, which respectively represent the output pressure of the pressure sensor, the filling pipe temperature, the filling pipe humidity and the filling pipe electromagnetic radiation, a hidden layer is set to a single layer of five neurons, and an output layer is one neuron, which represents the output value of the pressure sensor after compensation; S12, randomly generate initial weights and thresholds of the neural network, and encode them and divide them into different populations; S13, local convergence within the population, global divergence between populations, and global search for the best individual; S14, obtaining the optimal individual initial weight and threshold and calculating the mean square error; S15, obtaining a compensated pressure sensor output value by adjusting the weight and threshold; S16, transmitting the output value of the compensated pressure sensor to the data acquisition system as the pressure monitoring valve value, completing the coarse aggregate paste filling pipeline pressure monitoring and pipe blockage warning.

[0018] Compared with the related art, the device for monitoring the position of a filling pipe blockage provided by the present invention has the following beneficial effects: The present invention provides a device for monitoring the position of a pipe blockage in a filling pipeline. Through the coordinated operation of a filling system, a valve, a main conveying pipeline, an air compressor, an air storage tank, an air intake pipeline, a pressure monitoring valve, a three-way valve, an optical signal, a data acquisition station, a contact diaphragm pressure transmitter and a filling area, the position of the pipe blockage can be determined by online monitoring of the pressure in the pipeline, and the filling pipeline can be unblocked by using air power, thereby reducing labor input and economic consumption costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A schematic structural diagram of a first embodiment of a device for monitoring the location of a pipe blockage in a filling pipeline provided by the present invention; Figure 2 A schematic diagram of the new technology system for position detection and dredging; Figure 3This is a schematic diagram of the structure of the filling pipeline pressure monitoring system provided by the present invention; Figure 4 It is a schematic diagram of the process of the present invention; Figure 5 A schematic structural diagram of a second embodiment of a device for monitoring the location of a pipe blockage in a filling pipeline provided by the present invention; Figure 6 for Figure 5 An enlarged schematic diagram of part A is shown; Figure 7 This is a schematic structural diagram of a third embodiment of a device for monitoring the position of a pipe blockage in a filling pipeline provided by the present invention.

[0020] Numbers in the figure: 1. Filling system; 2. Valve; 3. Main delivery pipeline; 4. Air compressor; 5. Air storage tank; 6. Air intake pipeline; 7. Pressure monitoring valve; 8. Three-way valve; 9. Optical signal; 10. Data acquisition station; 11. Contact diaphragm pressure transmitter; 12. Filling area; 13. Sensor base; 14. Welding point; 15. Mounting hole; 16. Pressure transmitter unit; 17. Diaphragm body; 18. Thread; 19. Wear-resistant isolation plate; 20. Installation assembly; 201. Fixing hoop; 202. T-shaped rod; 203. Installation sleeve; 204. Connecting frame; 205. Bottom block; 21. Protective assembly; 211. Protective cover; 212. Connecting block; 213. Fixing piece; 22. Bolts; 23. Disassembly assembly; 231. Transparent cover; 232. Ring-shaped mounting block; 233. Ring-shaped mounting groove; 234. Rubber pad; 235. Fixing bolt. DETAILED DESCRIPTION

[0021] The present invention will be further described below in conjunction with the accompanying drawings and implementation modes.

[0022] First embodiment Please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 ,in, Figure 1 A schematic structural diagram of a first embodiment of a device for monitoring the location of a pipe blockage in a filling pipeline provided by the present invention; Figure 2 A schematic diagram of the new technology system for position detection and dredging; Figure 3 This is a schematic diagram of the structure of the filling pipeline pressure monitoring system provided by the present invention. Figure 4 A device for monitoring the position of a filling pipe blockage includes: A filling system 1 and a data acquisition station 10, wherein one end of the filling system 1 is connected to a valve 2 via a connecting pipe, one end of the valve 2 is connected to a main delivery pipeline 3, one end of the main delivery pipeline 3 is connected to a three-way valve 8, ends of the three-way valve 8 are respectively connected to a pressure monitoring valve 7 and a filling area 12 via pipelines, one end of the pressure monitoring valve 7 is connected to an air intake pipeline 6, one end of the air intake pipeline 6 is connected to an air storage tank 5, and one end of the air storage tank 5 is connected to an air compressor 4 via a connecting pipe; The delivery end of the data acquisition station 10 is connected to a plurality of contact diaphragm pressure transmitters 11 , and the air compressor 4 is connected to the data acquisition station 10 via an optical signal 9 .

[0023] A sensor base 13 is arranged on the main delivery pipeline 3, a diaphragm body 17 is arranged on the top of the sensor base 13, a pressure transmitting unit 16 is arranged on the top of the diaphragm body 17, a thread 18 is provided inside the sensor base 13, a mounting hole 15 adapted to the sensor base 13 is provided on the surface of the main delivery pipeline 3, a wear-resistant isolation plate 19 is arranged on the bottom of the sensor base 13, and a welding point 14 is arranged between the main delivery pipeline 3 and the sensor base 13.

[0024] Please refer to Figure 2 It was learned that the device includes a gas supply system, a monitoring system, a safety assurance system, a data acquisition system and an automated control system; The monitoring system comprises: a plurality of contact diaphragm pressure transmitters, which are arranged on the filling pipeline at a certain interval.

[0025] The monitoring system is characterized in that 11 contact diaphragm pressure transmitters are installed on the filling pipeline at intervals of 50m to 100m.

[0026] The monitoring system is characterized in that: the pressure transmission device should be mainly arranged at the position where the pipe is prone to blockage, such as the bend, and the preset distance range can be adjusted to 20m to 40m.

[0027] The data acquisition system comprises: a data acquisition station 10 adapted to the number of the contact diaphragm pressure transmitters 11; and contact diaphragm pressure transmitters 11 at each filling pipeline pressure monitoring point, which are connected to the data acquisition station 10 via a flame-retardant shielded cable for mining.

[0028] A data acquisition system, used to realize power supply and monitoring data acquisition of the contact diaphragm pressure transmitter 11; The algorithm analysis unit is used to perform positive sequence difference calculation on the pipeline pressure measurement values ​​at the monitoring points of the grassroots sensor units. When the pressure value in the pipeline exceeds the normal range, the ventilation command is immediately transmitted to the air compressor, and the three-way valve is immediately switched to connect the air intake pipeline with the main transmission pipeline. In addition, the pipeline blockage accident is predicted and warned based on the predicted growth trend of the pipeline status value of the filling pipeline between the monitoring points of the entire pipeline.

[0029] The automatic control system includes: optical signal, three-way valve. The data acquisition station forms a ring network transmission structure to the automatic air supply system through optical signal, and each monitoring level data acquisition station is connected to the air compressor and three-way valve through the flame-retardant shielded cable for mining.

[0030] The air supply system includes: an air compressor 4, an air storage tank 5, and an air intake pipeline 6.

[0031] An air compressor 4 , an air storage tank 5 and an air intake pipeline 6 , wherein the air intake pipeline 6 is connected to the main delivery pipeline 3 via a three-way valve 8 .

[0032] The safety guarantee system includes: a pressure monitoring valve 7.

[0033] When the pressure monitoring valve 7 detects that the pressure in the air intake pipeline is abnormal, that is, exceeds the safe range of the pipeline air pressure, the valve is automatically opened to release air.

[0034] A method for clearing a blocked filling pipe by a position monitoring device comprises the following steps: S1. When the filling pipeline is blocked, the contact diaphragm pressure transmitter 11 of the blocked pipe section feeds back the abnormal pressure signal to the data acquisition station 10, and transmits a signal to the automatic control system to automatically start the air compressor 4; S2, the data acquisition station 10 receives the pipe blocking signal from the contact diaphragm pressure transmitter 11, automatically stops the transportation, closes the connection between the main delivery pipelines 3 at the three-way valve 8 on the main delivery pipeline 3 in the filling station, and opens the connection between the air intake pipeline 6 and the main delivery pipeline 3; S3. When the air pressure in the gas storage tank 5 reaches a certain value, open the valve at the connection between the gas storage tank 5 and the air inlet pipe 6 to ventilate the pipe; S4. Due to the numerical difference between the contact diaphragm pressure transmitters 11 of the downhole filling pipeline, the location of the pipeline blockage can be roughly determined; S5. If the air pressure cannot clear the filling pipe, the air pressure in the filling pipe and the air intake pipe 6 will gradually increase. When the air pressure in the pipe reaches the safety critical value, the pressure monitoring valve 7 on the air intake pipe 6 will automatically open to deflate the pipe. S6. If the air pressure cannot clear the filling pipeline, the monitoring system determines the abnormal position of the contact diaphragm pressure transmitter 11 on the filling pipeline, determines the blocked pipe section, and the on-site workers clear or replace the pipe section in the area.

[0035] The S1 abnormal pressure signal feedback specifically includes the following steps: S11, transmitting the data of the contact diaphragm pressure transmitter 11 to the data acquisition system, generating a neural network training set and a test set, wherein the neural network comprises: an input layer comprising four neurons, which respectively represent the output pressure of the pressure sensor, the filling pipe temperature, the filling pipe humidity and the filling pipe electromagnetic radiation, a hidden layer is set to a single layer of five neurons, and an output layer is one neuron, which represents the output value of the pressure sensor after compensation; S12, randomly generate initial weights and thresholds of the neural network, and encode them and divide them into different populations; S13, local convergence within the population, global divergence between populations, and global search for the best individual; S14, obtaining the optimal individual initial weight and threshold and calculating the mean square error; S15, obtaining a compensated pressure sensor output value by adjusting the weight and threshold; S16, transmitting the output value of the compensated pressure sensor to the data acquisition system as the pressure monitoring valve value, completing the coarse aggregate paste filling pipeline pressure monitoring and pipe blockage warning.

[0036] like Figure 3 As shown, the contact diaphragm pressure transmitter 11 includes: a pressure transmitter unit 16, a diaphragm body 17 and a wear-resistant isolation plate 19; the lower surface of the diaphragm body is tapped with a thread 18 for connecting and fixing with the sensor base 13; the wear-resistant isolation plate is a removable sealing component at the bottom of the diaphragm body and can be replaced after wear. The filling system 1 is a general term for equipment and facilities used to collect and process filling materials, feed, measure and transport each filling material, mix and stir the filling materials to prepare filling slurry, and transport the filling slurry. The filling area 12 is an underground goaf or abandoned shaft, tunnel, or chamber.

[0037] like Figure 3 This is a schematic diagram of installing the contact diaphragm pressure transmitter 1 of the present invention. The installation steps of the contact diaphragm pressure transmitter 1 include: A mounting hole 15 is formed by hot cutting at the top of the filling pipe, and the sensor base 13 is inserted into the mounting hole so that the bottom of the sensor base 13 is tangent to the inner wall of the filling pipe. A high-strength welding rod is used to weld the mounting hole and the sensor base to form a welding point 14 to ensure that the filling pipe where the sensor base 13 is welded has pressure bearing capacity; The contact diaphragm pressure transmitter 11 and the surface of the thread 18 at the lower end of the diaphragm body 17 are wrapped with raw tape, and connected to the sensor base 13 to complete the installation of the contact diaphragm pressure transmitter.

[0038] The contact diaphragm pressure transmitter 11 has a range of 0 to 20.00 MPa and a detection medium contact area of ​​approximately 3 cm 2 The pressure bearing capacity of the main conveying pipeline 3 is 10MPa, the wall thickness is 10mm, and the inner diameter is 158mm; the outer diameter of the sensor base 13 is 39mm, the inner diameter is 20mm, the height is 25mm, and the installation depth is 10mm±1mm; the bearing capacity of the welding point 14 is 50MPa.

[0039] Figure 4 The present invention is a new technology flow diagram for detecting and clearing a blocked filling pipe, the method comprising: S1. During the filling operation, if the pipe is blocked, the multiple contact diaphragm pressure transmitters installed on the filling pipe will detect abnormal pressure.

[0040] S2. The contact diaphragm pressure transmitter will feed back the abnormal signal to the data acquisition system, and determine the blockage position based on the positions of multiple contact diaphragm pressure transmitters.

[0041] S3. After receiving the signal, the data acquisition system will feed back the signal to the control system, then start the air compressor, start to clear the pipeline, and switch the three-way valve to stop further transportation.

[0042] S4. Determine whether the pipeline is unblocked based on multiple contact diaphragm pressure transmitters. If it is unblocked, continue to transport. If the air compressor is not enough to unclog the filling pipeline, on-site staff will need to dredge it according to the location of the blocked pipe and continue to transport after it is unblocked.

[0043] Compared with the related art, the device for monitoring the position of a filling pipe blockage provided by the present invention has the following beneficial effects: The present invention provides a filling pipeline blockage position monitoring device, which can monitor the pressure in the pipeline online through the coordinated operation among a filling system 1, a valve 2, a main conveying pipeline 3, an air compressor 4, an air storage tank 5, an air intake pipeline 6, a pressure monitoring valve 7, a three-way valve 8, an optical signal 9, a data acquisition station 10, a contact diaphragm pressure transmitter 11 and a filling area 12, thereby determining the blockage position and utilizing air power to clear the filling pipeline, thereby reducing labor input and economic consumption costs.

[0044] Second embodiment Please refer to Figure 5 and Figure 6 Based on the first embodiment of the present application, a device for monitoring the location of a filling pipe blockage is provided. The second embodiment of the present application provides another device for monitoring the location of a filling pipe blockage. The second embodiment is only a preferred embodiment of the first embodiment, and the implementation of the second embodiment will not affect the independent implementation of the first embodiment.

[0045] Specifically, the second embodiment of the present application provides a position monitoring device for a filling pipe blockage, which is different in that, in a position monitoring device for a filling pipe blockage, the surface of the pressure monitoring valve 7 is provided with an installation component 20, and the installation component 20 includes two fixing hoops 201, and the surfaces of the two fixing hoops 201 are connected to T-shaped rods 202, and both sides of the surface of the T-shaped rod 202 are provided with installation sleeves 203, and a connecting frame 204 is connected between the multiple installation sleeves 203, and the center position of the surface of the connecting frame 204 is connected to a bottom block 205.

[0046] The fixing hoop 201 is installed on the surface of the pressure monitoring valve 7 , the bolts 22 can be used to install the fixing hoop 201 , and the bottom block 205 is connected to the bottom of the protective cover 211 .

[0047] A bolt 22 is disposed at the bottom of the fixing hoop 201 .

[0048] A protection component 21 is disposed between the two connecting frames 204 . The protection component 21 includes two protection covers 211 . A connecting block 212 and a fixing member 213 are respectively disposed on one side of the two protection covers 211 .

[0049] The working principle of the position monitoring device for filling pipeline blockage provided by the present invention is as follows: When in use, when protecting the pressure monitoring valve 7, first, the fixing hoop 201 with the T-shaped rod 202 is sleeved on the surface of the pressure monitoring valve 7 and threadedly connected through the bolt 22. After the fixing hoop 201 with the T-shaped rod 202 is installed on the surface of the pressure monitoring valve 7, the connecting frame 204 with the protective cover 211 is sleeved on the surface of the T-shaped rod 202 through the installation sleeve 203. After the two protective covers 211 are installed, they are connected through the fixing piece 213 and the connecting block 212.

[0050] Compared with the related art, the device for monitoring the position of a filling pipe blockage provided by the present invention has the following beneficial effects: The present invention provides a filling pipeline blockage position monitoring device. The mounting assembly 20 and the protection assembly 21 are arranged on the surface of the pressure monitoring valve 7 to protect the pressure monitoring valve 7 which is installed naked.

[0051] Third embodiment Please refer to Figure 7 Based on the first embodiment of the present application, a filling pipe blockage position monitoring device is provided. The third embodiment of the present application provides another filling pipe blockage position monitoring device. The third embodiment is only a preferred embodiment of the first embodiment, and the implementation of the third embodiment will not affect the independent implementation of the first embodiment.

[0052] Specifically, the difference of the position monitoring device for a filling pipe blockage provided in the third embodiment of the present application is that, in a position monitoring device for a filling pipe blockage, a disassembly component 23 is provided on one side of the protective cover 211, and the disassembly component 23 includes a transparent cover 231, and a ring-shaped mounting block 232 is connected to the side of the transparent cover 231.

[0053] The use of the annular mounting block 232 and the annular mounting groove 233 facilitates the connection between the transparent cover 231 and one of the protective covers 211 . A fixing hole matched with the fixing bolt 235 is provided on the rear inner wall of the annular mounting groove 233 .

[0054] An annular mounting groove 233 matching with the annular mounting block 232 is formed on the surface of the protective cover 211 , and a rubber pad 234 is provided between the annular mounting groove 233 and the annular mounting block 232 .

[0055] A fixing bolt 235 is disposed between the protective cover 211 and the annular mounting block 232 .

[0056] The working principle of the position monitoring device for filling pipeline blockage provided by the present invention is as follows: During use, when the transparent cover 231 is disassembled to clean dust, first remove the fixing bolt 235 between the annular mounting block 232 and the protective cover 211. After the fixing bolt 235 is removed, pull the transparent cover 231 to move toward the outside of the protective cover 211. When the transparent cover 231 moves toward the outside of the protective cover 211, the annular mounting block 232 is separated from the annular mounting groove 233.

[0057] Compared with the related art, the device for monitoring the position of a filling pipe blockage provided by the present invention has the following beneficial effects: The present invention provides a position monitoring device for filling pipe blockage, wherein a disassembly assembly 23 is arranged on the surface of one of the protective covers 211 to locate and disassemble the transparent cover 231 for cleaning, thereby preventing dust from adsorbing the surface of the transparent cover 231 and making it impossible to view the value of the pressure monitoring valve 7.

[0058] The above descriptions are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A device for monitoring the position of a filling pipe blockage, characterized in that: include: A filling system and a data acquisition station, wherein one end of the filling system is connected to a valve via a connecting pipe, one end of the valve is connected to a main delivery pipeline, one end of the main delivery pipeline is connected to a three-way valve, the ends of the three-way valve are respectively connected to a pressure monitoring valve and a filling area via pipelines, one end of the pressure monitoring valve is connected to an air intake pipeline, one end of the air intake pipeline is connected to an air storage tank, and one end of the air storage tank is connected to an air compressor via a connecting pipe; The delivery end of the data acquisition station is connected to a plurality of contact diaphragm pressure transmitters, and the air compressor is connected to the data acquisition station via an optical signal.

2. The device for monitoring the position of a filling pipe blockage according to claim 1, characterized in that: A sensor base is arranged on the main delivery pipeline, a diaphragm body is arranged on the top of the sensor base, a pressure transmitting unit is arranged on the top of the diaphragm body, a thread is provided inside the sensor base, a mounting hole matching the sensor base is provided on the surface of the main delivery pipeline, a wear-resistant isolation sheet is arranged on the bottom of the sensor base, and a welding point is arranged between the main delivery pipeline and the sensor base.

3. The device for monitoring the position of a filling pipeline blockage according to claim 1, characterized in that: The surface of the pressure monitoring valve is provided with a mounting assembly, and the mounting assembly includes two fixing hoops, the surfaces of the two fixing hoops are connected with T-shaped rods, both sides of the surface of the T-shaped rod are provided with mounting sleeves, a connecting frame is connected between the multiple mounting sleeves, and the center position of the surface of the connecting frame is connected with a bottom block.

4. The device for monitoring the position of a filling pipe blockage according to claim 3, characterized in that: The bottom of the fixing hoop is provided with bolts.

5. The device for monitoring the position of a filling pipeline blockage according to claim 3, characterized in that: A protection component is arranged between the two connecting frames, and the protection component comprises two protection covers, and a connecting block and a fixing piece are respectively arranged on one side of the two protection covers.

6. The device for monitoring the position of a filling pipe blockage according to claim 5, characterized in that: A disassembly assembly is disposed on one side of one of the protective covers. The disassembly assembly comprises a transparent cover, and an annular mounting block is connected to the side of the transparent cover.

7. The device for monitoring the position of a filling pipe blockage according to claim 6, characterized in that: An annular mounting groove matching the annular mounting block is formed on the surface of the protective cover, and a rubber pad is arranged between the annular mounting groove and the annular mounting block.

8. The device for monitoring the position of a filling pipeline blockage according to claim 7, characterized in that: A fixing bolt is arranged between the protective cover and the annular mounting block.

9. A method for clearing a position monitoring device for a filling pipeline blockage, characterized in that: The following steps are involved: S1. When the filling pipeline is blocked, the contact diaphragm pressure transmitter of the blocked pipe section will feed back the abnormal pressure signal to the data acquisition station and send a signal to the automatic control system to automatically start the air compressor; S2. The data acquisition station receives the pipe blocking signal from the contact diaphragm pressure transmitter and automatically stops the transportation. The three-way valve on the main delivery pipeline in the filling station closes the connection between the main delivery pipelines and opens the connection between the air intake pipeline and the main delivery pipeline. S3. When the air pressure in the gas storage tank reaches a certain value, open the valve at the connection between the gas storage tank and the air inlet pipeline to ventilate the pipeline; S4. Due to the numerical difference between the contact diaphragm pressure transmitters of the downhole filling pipeline, the location of the pipeline blockage can be roughly determined; S5. If the air pressure cannot clear the filling pipe, the air pressure in the filling pipe and the air intake pipe will gradually increase. When the air pressure in the pipe reaches the safety critical value, the pressure monitoring valve on the air intake pipe will automatically open to deflate the pipe. S6. If the air pressure is unable to clear the filling pipeline, the monitoring system will determine the location of the abnormal data of the contact diaphragm pressure transmitter on the filling pipeline and the blocked pipe section, and the on-site workers will clear or replace the pipe section in the area.

10. The method for clearing a filling pipeline blockage position monitoring device according to claim 9, characterized in that: The S1 abnormal pressure signal feedback specifically includes the following steps: S11, transmitting the data of the contact diaphragm pressure transmitter to the data acquisition system, generating a neural network training set and a test set, wherein the neural network comprises: an input layer comprising four neurons, which respectively represent the output pressure of the pressure sensor, the filling pipe temperature, the filling pipe humidity and the filling pipe electromagnetic radiation, a hidden layer is set to a single layer of five neurons, and an output layer is one neuron, which represents the output value of the pressure sensor after compensation; S12, randomly generate initial weights and thresholds of the neural network, and encode them and divide them into different populations; S13, local convergence within the population, global divergence between populations, and global search for the best individual; S14, obtaining the optimal individual initial weight and threshold and calculating the mean square error; S15, obtaining a compensated pressure sensor output value by adjusting the weight and threshold; S16, transmitting the output value of the compensated pressure sensor to the data acquisition system as the pressure monitoring valve value, completing the coarse aggregate paste filling pipeline pressure monitoring and pipe blockage warning.

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