Anti-blocking dredging device of pipeline elbow and ore pulp conveying pipeline system

Abstract

The utility model discloses an anti-blocking dredging device of a pipeline elbow and an ore pulp conveying pipeline system.The anti-blocking dredging device of the pipeline elbow comprises an anti-blocking mechanism and a dredging mechanism, and the anti-blocking mechanism comprises the pipeline elbow used for being communicated with two conveying pipes and a stirring assembly used for stirring conveyed media; the stirring assembly is mounted on the pipeline elbow, and the pipe diameter of the pipeline elbow is larger than that of the conveying pipe; the dredging mechanism comprises a flushing assembly used for diluting and / or flushing the accumulated and blocked medium and a sewage discharging assembly used for discharging the accumulated and blocked medium, and the flushing assembly and the sewage discharging assembly communicate with the pipeline elbow. The device not only can prevent media from being blocked in the conveying process, reduce the blocking frequency of the media at the elbow position of the pipeline and improve the conveying smoothness of the pipeline, but also can quickly dredge the interior of the blocked pipeline and guarantee stable and efficient conveying of the media. And the device can monitor the blockage condition and automatically conduct dredging operation, and time and labor are saved.

Description

Technical Field

[0001] This utility model relates to the field of pipeline dredging technology, and in particular, to an anti-clogging and dredging device for pipeline elbows. Furthermore, it also relates to a slurry conveying pipeline system including the anti-clogging and dredging device for the pipeline elbow. Background Technology

[0002] In mineral processing, slurry transportation is a common material transfer method. Non-metallic slurries such as coal slurry, calcium carbonate, kaolin, and cordierite all require transportation through process pipelines. Slurry is a solid-liquid mixture with a certain solid content, and its concentration, viscosity, and fluidity all affect pipeline transportation. Furthermore, the length and bends of the pipeline significantly increase the flow resistance of the slurry within the pipeline. This is especially true when transporting slurries with high particle size and concentration, where blockages are prone to occur at pipe bends, potentially paralyzing the entire process system and severely impacting production efficiency and profitability. Maintaining unobstructed slurry pipelines is crucial to ensuring the stability and continuity of production operations.

[0003] In existing technologies, flushing systems are typically installed at the front end of the pipeline to address pipe blockage. However, blockages caused by solid-liquid mixtures often occur at pipe bends, where the flushing system cannot reach, frequently resulting in ineffective flushing. This necessitates significant investment of manpower and resources to resolve the issue, which is time-consuming, labor-intensive, and severely impacts work efficiency. Chinese Patent CN203297828U discloses a pipe bend unblocking structure. This structure features a unblocking port at the upper end of the bend body, with symmetrical connecting holes on both sides of the port. A silicone sealing gasket is placed on each connecting hole, and a unblocking pressure plate is mounted on the silicone sealing gasket. A unblocking cover is connected to the unblocking pressure plate and secured to the connecting hole by fastening bolts. Although this patent can unclog pipe bends, it requires disassembling the unclogging cover and silicone sealing gasket before the unclogging operation can be carried out. This can easily cause the medium inside the pipe to leak from the bend. Furthermore, the unclogging pressure plate cannot apply force to the medium inside the pipe, so it cannot prevent the medium from accumulating at the bend during the pipeline transportation process. Utility Model Content

[0004] This invention provides a device for preventing and clearing blockages in pipe bends, which solves the technical problem that solid-liquid mixtures are prone to blockage and are inconvenient to clear during pipeline transportation in the prior art.

[0005] According to one aspect of the present invention, a pipe elbow anti-blocking and unblocking device is provided, comprising an anti-blocking mechanism and an unblocking mechanism. The anti-blocking mechanism includes a pipe elbow for connecting two conveying pipes and a stirring assembly for stirring the conveyed medium. The stirring assembly is installed on the pipe elbow, and the pipe diameter of the pipe elbow is larger than the pipe diameter of the conveying pipe.

[0006] The unblocking mechanism includes a flushing assembly for diluting and / or flushing the clogged medium, and a drain assembly for discharging the clogged medium, wherein the flushing assembly and the drain assembly are respectively connected to the pipe elbow.

[0007] Furthermore, both ends of the pipe bend are provided with flange mounting edges for connecting the conveying pipe, and the flange mounting edges are provided with sealing rings for abutting against the conveying pipe.

[0008] Furthermore, the mixing assembly includes a mixing blade disposed within the pipe bend and a drive component installed outside the pipe bend;

[0009] The output shaft of the drive unit extends into the pipe bend and is sealed to the pipe bend, while the stirring blade is fixed on the output shaft of the drive unit.

[0010] Furthermore, the driving component includes a driver for driving the stirring blade to rotate and a base located at the bottom of the driver. The base is fixed to the pipe bend to support and fix the driver.

[0011] The driver includes a drive motor and a reducer connected to the output end of the drive motor, with the output shaft connected to the reducer.

[0012] Furthermore, the flushing assembly includes a flushing port opened on the pipe bend, a flushing pipe connected to the flushing port, and a flushing agent tank for storing flushing agent. The end of the flushing pipe away from the flushing port is connected to the flushing agent tank for conveying flushing agent into the pipe bend. The flushing port is positioned facing the end face of the stirring blade.

[0013] A flushing valve is installed on the flushing pipe.

[0014] Furthermore, the sewage discharge assembly includes a sewage outlet located at the pipe bend and a sewage pipe connected to the sewage outlet, with a sewage valve installed on the sewage pipe.

[0015] Furthermore, the drainage assembly also includes a mechanical discharge port located at the bottom of the pipe bend and a protective cover detachably installed on the mechanical discharge port. The diameter of the mechanical discharge port is larger than that of the sewage outlet, which is used to quickly discharge the accumulated medium.

[0016] Furthermore, flow meters are installed at both ends of the pipe bend to monitor the flow rate of the medium inside the pipe bend in real time.

[0017] Furthermore, the anti-clogging and unblocking device for the pipe bend also includes an alarm component located at the feed end of the pipe bend. The alarm component includes a pressure sensor and an alarm installed on the pipe bend and / or for installation on the feed pipe, with the alarm electrically connected to the pressure sensor.

[0018] According to another aspect of the utility model, a slurry conveying pipeline system is also provided, including the aforementioned anti-blocking and unblocking device for the pipeline bend.

[0019] This utility model has the following beneficial effects:

[0020] This utility model discloses an anti-clogging and unblocking device for pipe bends. By setting the pipe bend diameter of the anti-clogging mechanism to be larger than that of the conveying pipe, it can achieve quick connection with the conveying pipe and form an enlarged pipe diameter structure between the two conveying pipes, improving the smoothness of medium transportation within the pipeline and reducing the risk of blockage. The pipe bend can be selected and matched according to different specifications of conveying pipes, offering high flexibility, effectively expanding the scope of application, and improving on-site adaptability. The anti-clogging mechanism installs a stirring component on the pipe bend to stir the medium within the bend, ensuring the fluidity and mixing degree of the medium during transportation, preventing blockage caused by sedimentation or uneven mixing of solid-liquid mixtures, and reducing the frequency of blockage at the pipe bend. At the same time, the rotation of the stirring component can pressurize the pipeline, pushing the medium in the direction of transportation, effectively increasing the medium flow rate and further reducing the risk of blockage. The unblocking mechanism installed on the pipe bend can dilute or flush the blocked medium through the flushing component when blockage occurs in the pipe, restoring the fluidity of the medium in the pipe bend so that it can flow in the direction of transportation. The drain component then discharges the blocked medium from the pipe bend to the outside of the pipe, preventing blockages at the bend and achieving rapid unblocking of the pipe interior. This ensures stable and efficient transportation of the medium and improves production efficiency. Preferably, the device can monitor the pipe blockage in real time and automatically perform the unblocking operation, with a high degree of automation, requiring no manual intervention, saving time and labor.

[0021] In addition to the objectives, features, and advantages described above, this utility model has other objectives, features, and advantages. The present utility model will now be described in further detail with reference to the figures. Attached Figure Description

[0022] The accompanying drawings, which form part of this application, are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an undue limitation of the present invention. In the drawings:

[0023] Figure 1 This is a schematic diagram of the anti-clogging and unblocking device for a pipe bend according to a preferred embodiment of the present invention;

[0024] Figure 2 This is an assembly diagram of the anti-clogging and unblocking device for a pipe bend according to a preferred embodiment of the present invention;

[0025] Figure 3This is a process flow diagram of the anti-clogging and unblocking device for pipe bends according to a preferred embodiment of this utility model.

[0026] Legend:

[0027] 10. Anti-clogging mechanism; 11. Pipe elbow; 12. Mixing assembly; 121. Mixing blade; 122. Drive component; 1221. Drive motor; 1222. Reducer; 1223. Output shaft; 1224. Base; 20. Unblocking mechanism; 21. Flushing assembly; 211. Flushing pipe; 22. Sewage discharge assembly; 221. Sewage discharge pipe; 30. Flow meter; 40. Alarm assembly; 50. Material conveying pipe. Detailed Implementation

[0028] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings. However, the present invention can be implemented in many different ways as defined and covered below.

[0029] like Figure 3 As shown, slurry transportation is a common material transfer method in mineral processing. The slurry production process typically involves raw materials being crushed by a jaw crusher, coarsely ground, and finely ground, followed by the addition of appropriate amounts of water and additives for mixing to obtain the finished slurry. The finished slurry is a solid-liquid mixture with a certain solid content, and its concentration, viscosity, and flowability all significantly affect pipeline transportation. For example, if the solid content of the finished coal slurry is in the range of 10%-15%, the concentration is 60%, the average particle size reaches 78.26μm, and the average viscosity is 700mPa·s, a 75KW vertical low-pressure coal slurry pump, a pipe diameter of DN150, an outlet pressure of 0.2Mpa, a flow velocity of 5m / s, and a flow rate of 50-80m³ / s are selected. 3 / h. During pipeline transportation, 90° bends become a high-risk area for blockages, and slurry is prone to clogging within the pipeline during transport. The anti-clogging and unblocking device for pipeline bends in this embodiment is used to assist in the transportation of solid-liquid mixtures such as slurry.

[0030] like Figure 1 and Figure 2As shown, the device includes an anti-clogging mechanism 10 and a clearing mechanism 20. The anti-clogging mechanism 10 includes a pipe elbow 11 and a stirring assembly 12 installed on the pipe elbow 11. The pipe elbow 11 is used to connect and communicate two conveying pipes 50, and the stirring assembly 12 is used to stir the medium inside the pipe elbow 11. Specifically, the two conveying pipes 50 are respectively installed at both ends of the pipe elbow 11 and communicate with each other. The diameter of the pipe elbow 11 is larger than the diameter of the conveying pipes 50, so as to form an enlarged pipe diameter structure between the two conveying pipes 50, improve the smoothness of medium transportation in the pipeline, and reduce the risk of blockage. The anti-clogging mechanism 10 agitates the medium within the pipe bend 11 using the stirring component 12, ensuring the fluidity and mixing degree of the medium during transportation. This prevents the solid-liquid mixture from clogging due to sedimentation or uneven mixing, reducing the frequency of clogging at the pipe bend 11. Simultaneously, the rotation of the stirring component 12 pressurizes the pipeline, pushing the medium in the transportation direction, effectively increasing the medium flow rate and further reducing the risk of clogging. Preferably, the included angle between the two ends of the pipe bend 11 can be any angle between 10° and 170°, enabling connections of more than 50 angles in the conveying pipe. Preferably, the pipe bend 11 can be selected and matched according to different specifications of the conveying pipe 50, offering high flexibility, effectively expanding the scope of application, and improving on-site adaptability. Preferably, the stirring component 12 is installed at the outer corner of the pipe bend 11, with the stirring direction set along the tangent of the central axis of the pipe bend 11 to ensure optimal stirring effect. Alternatively, the stirring assembly 12 can also be installed at the end of the pipe bend 11 or on the feed pipe 50, with the stirring direction set along the axis of the feed pipe 50.

[0031] The unblocking mechanism 20 includes a flushing assembly 21 and a drain assembly 22 installed on the pipe bend 11. The flushing assembly 21 and the drain assembly 22 are respectively located on both sides of the mixing assembly 12 and connected to the pipe bend 11. The flushing assembly 21 is arranged inside the pipe bend 11 in the direction of the mixing assembly 12 to dilute and / or flush the medium accumulated inside the pipe bend 11. The drain assembly 22 is arranged correspondingly to the flushing assembly 21 to discharge the medium accumulated inside the pipe bend 11 or the medium impacted by the flushing assembly 21 to the outside. Therefore, when blockage occurs in the pipeline, the unblocking mechanism 20 can dilute or flush the blocked medium through the flushing component 21, restoring the fluidity of the medium in the pipe bend 11 to flow in the conveying direction. The drain component 22 then discharges the blocked medium in the pipe bend 11 or the medium flushed by the flushing component 21 to the outside of the pipeline, preventing blockage at the pipe bend 11. The cooperation of the flushing component 21 and the drain component 22 allows for simultaneous flushing and draining operations, achieving rapid unblocking of the pipeline interior, ensuring stable and efficient medium delivery, and improving production efficiency. Preferably, the device also includes an electrical control box, which is electrically connected to the anti-blocking mechanism 10 and the unblocking mechanism 20 to monitor the blockage of the conveying pipe 50 and transmit signals to the anti-blocking mechanism 10 and / or the unblocking mechanism 20 for timely handling, thus achieving automated control of the device.

[0032] In use, first connect and fix both ends of the pipe elbow 11 to the inlet and outlet ends of the conveying pipe 50, respectively. Then, install the mixing assembly 12, flushing assembly 21, and sewage discharge assembly 22 on the pipe elbow 11. Before conveying the slurry through the conveying pipe 50, turn on the mixing assembly 12 in advance to pressurize the conveying pipe 50 by rotating it, thereby releasing the slurry into the conveying pipe 50 and allowing the slurry to be smoothly conveyed in the pressurized environment of the pipe. When the controller receives a blockage signal, it controls the mixing assembly 12 to turn off and controls the unblocking mechanism 20 to turn on. Subsequently, the flushing assembly 21 pressurizes and impacts the blockage location of the pipe elbow 11 and / or dilutes the blockage medium. The discharge assembly then discharges the blockage medium in the pipe elbow 11, restoring the fluidity of the medium at the blockage location and conveying it towards the outlet end.

[0033] Preferably, the pipe elbow 11 has flange mounting edges at both ends, and the conveying pipe 50 is fixed to the pipe elbow 11 through the flange mounting edges. This not only allows for connection between pipes of different diameters, but also facilitates installation and disassembly, making it convenient for inspection and maintenance of the conveying pipe 50 and / or the pipe elbow 11. This effectively shortens the downtime of the slurry conveying equipment, improves production efficiency, and is easy to reuse, making it highly practical. Preferably, a sealing ring is provided between the flange mounting edges and the conveying pipe 50 to prevent leakage of the medium at the connection between the conveying pipe 50 and the pipe elbow 11. Optionally, the two ends of the pipe elbow 11 can also be directly fixed to the conveying pipe 50 by welding, or connected and fixed by quick couplings.

[0034] like Figure 1 and Figure 2 As shown, the stirring assembly 12 includes a stirring blade 121 disposed inside the pipe bend 11 and a drive member 122 disposed outside the pipe bend 11. The output shaft 1223 of the drive member 122 extends into the pipe bend 11 and is movably and sealingly connected to the pipe bend 11. The stirring blade 121 is fixed on the output shaft 1223 of the drive member 122. Preferably, the drive member 122 is installed at the outer corner of the pipe bend 11, and its output shaft 1223 is arranged along the center direction of the pipe bend 11. The output shaft 1223 of the drive member 122 extends into the middle position inside the pipe bend 11, so that the output shaft 1223 can be controlled by the control member to drive the stirring blade 121 to rotate, thereby stirring the medium inside the pipe bend 11, enhancing the fluidity and mixing degree of the medium, and preventing the medium from accumulating at this location. Preferably, the output shaft 1223 is rotatably inserted into the wall surface of the outer corner of the pipe bend 11, and a sealing ring is provided at the connection with the pipe bend 11 to prevent the medium inside the pipe bend 11 from leaking at this point and to avoid affecting the flow rate of the medium.

[0035] like Figure 1 and Figure 2 As shown, the drive unit 122 includes a driver for driving the stirring blade 121 to rotate and a base 1224 for supporting the driver. The base 1224 is located at the bottom of the driver and fixed to the pipe bend 11, so that the driver is positioned at the outer corner of the pipe bend 11 and provides a stable driving force for the stirring blade 121. The driver includes a drive motor 1221 and a reducer 1222 connected to the output end of the drive motor 1221. The output shaft 1223 is connected to the reducer 1222 through a coupling. Thus, the cooperation between the drive motor 1221 and the reducer 1222 can output a low-speed, high-torque rotational force to drive the stirring blade 121 to rotate, enabling the stirring assembly 12 to achieve high torque output and low energy consumption operation, greatly enhancing the stirring effect and effectively reducing cost.

[0036] Preferably, in this embodiment, the stirring blade 121 is a paddle-type folding impeller with a folding angle of 30° to facilitate circumferential diversion of the medium within the pipe bend 11, resulting in a better transition effect for the medium within the pipe bend 11. Preferably, the stirring blade 121 is coated with a wear-resistant and anti-stick coating. Optionally, the stirring blade 121 can also be a spirally arranged impeller to simultaneously stir the medium within the pipe bend 11 and push it towards the discharge end, enhancing the mixing effect at the cutoff point and improving the anti-clogging effect of the pipe bend 11.

[0037] like Figure 2 As shown, the flushing assembly 21 includes a flushing port on the pipe bend 11, a flushing pipe 211 connected to the flushing port, and a flushing agent tank for storing flushing agent. The end of the flushing pipe 211 away from the flushing port is connected to the flushing agent tank for conveying flushing agent into the pipe bend 11. Specifically, the flushing port is located on the pipe bend 11 on the side of the stirring blade 121 near the drive member 122, and is positioned towards the end of the stirring blade 121 near the drive member 122. On the one hand, the flushing agent is used to flush the inside of the pipe bend 11, improving the flushing efficiency. On the other hand, if the medium accumulates or adheres on the stirring blade 121, it can be cleaned by impacting the stirring blade 121 through the flushing port, preventing the stirring blade 121 from being unable to rotate, and further improving the unblocking efficiency. Preferably, a flushing port is also provided on the pipe bend 11 on the side of the stirring blade 121 away from the drive member 122. The flushing port is set towards the end of the stirring blade 121 away from the drive member 122, so that the inside of the pipe bend 11 can be flushed in reverse through the flushing port here, thereby improving the flexibility of the device and the adaptability to the site.

[0038] like Figure 3 As shown, the flushing pipe 211 is also connected to a booster pump to pressurize and deliver the flushing agent, enhancing the flushing force and improving flushing efficiency. Preferably, the flushing assembly 21 can perform forward and reverse flushing, which can be flexibly selected according to the actual site conditions to improve unblocking efficiency. Preferably, the flushing agent is a diluent that can be formulated for different slurries to achieve the best dilution effect. Optionally, the flushing agent can also be water. A flushing valve is installed on the flushing pipe 211, and the flushing valve is electrically connected to an electric controller. The electric controller can control the opening and closing of the flushing valve to achieve automated control of the flushing operation, saving time and effort and increasing efficiency. Preferably, a flow meter 30 is also installed on the flushing pipe 211. The flow meter 30 is located between the flushing valve and the booster pump to control the flow rate and velocity of the flushing agent according to the blockage in the pipe, making unblocking more precise and efficient.

[0039] like Figure 1 and Figure 2As shown, the sewage discharge assembly 22 includes a sewage discharge port on the pipe bend 11 and a sewage discharge pipe 221 connected to the sewage discharge port. The sewage discharge pipe 221 is connected to both the pipe bend 11 and the outside. Specifically, the sewage discharge port is located below the pipe bend 11 and near the discharge end of the conveying pipe 50, and the sewage discharge port is correspondingly set with the flushing port to receive the medium flushed by the flushing assembly 21 and discharge it, avoiding blockage caused by the medium in the pipe bend 11. Optionally, a sewage discharge port can also be set at the inlet end of the pipe bend 11 near the inlet end of the conveying pipe 50 to achieve reverse sewage discharge, improving the flexibility and on-site adaptability of the device.

[0040] A drain valve is installed on the drain pipe 221. The drain valve is electrically connected to the electric controller. The opening and closing of the drain valve can be controlled by the electric controller to realize the automated control of the drain operation, which saves time and effort and is highly efficient.

[0041] Preferably, the drainage component 22 further includes a mechanical discharge port and a protective cover detachably installed on the mechanical discharge port. The mechanical discharge port is located at the bottom of the pipe bend 11. Preferably, the mechanical discharge port is located at the corner of the pipe bend 11 to facilitate the rapid discharge of accumulated media under gravity. The diameter of the mechanical discharge port is larger than that of the sewage discharge port, which can further accelerate the unblocking speed and facilitate the removal of large blockages. At the same time, the mechanical discharge port can serve as an inspection port for the pipe bend 11, facilitating inspection and maintenance and reducing maintenance costs and difficulties. In addition, the mechanical discharge port can prevent manual unblocking of the media accumulated in the pipe bend 11 when the mixing component 12, flushing component 21, and drainage component 22 are unusable due to power outages, thus avoiding paralysis of the entire slurry production process system and ensuring the production efficiency and benefits of the slurry. Preferably, a sealing gasket is installed on the protective cover to seal the mechanical discharge port and prevent leakage of slurry from the mechanical discharge port during normal transportation within the conveying pipe 50.

[0042] Preferably, flow meters 30 are provided at both ends of the pipe bend 11, and the flow meters 30 are installed on the conveying pipe 50. During the flow of the medium, the flow rate of the medium in the conveying pipe 50 at both ends of the pipe bend 11 can be monitored in real time by the two flow meters 30, and the flow data is transmitted to the electrical control box. When the value of the flow meter 30 at the discharge end of the conveying pipe 50 is less than the value of the flow meter 30 at the inlet end of the conveying pipe 50, it indicates that there is a blockage in the pipe bend 11. If the difference between the two flow meters 30 at both ends of the pipe bend 11 reaches a preset value one, the electrical control box will control the stirring component 12 to increase the speed of the stirring blade 121 to stir the medium and push the medium quickly toward the discharge end. If the difference between the two flow meters 30 at both ends of the pipe bend 11 reaches a preset value two, the electrical control box will control the unblocking mechanism 20 to unblock the pipe bend 11. Therefore, the blockage status within the pipe bend 11 can be determined based on the flow rate readings of the flow meters 30 at both ends of the pipe bend 11. Targeted measures can then be taken for timely and automatic handling of the blockage, eliminating the need for manual intervention, thus significantly improving work efficiency and reducing labor intensity. Optionally, the flow meters 30 can also be installed on the pipe bend 11.

[0043] Preferably, the anti-clogging and unblocking device for the pipe bend 11 further includes an alarm component 40. The alarm component 40 includes a pressure sensor and an alarm. The pressure sensor is installed on the inner wall of the pipe bend 11 and located at the feed end of the pipe bend 11. The alarm is installed on the outer wall of the pipe bend 11 and electrically connected to the pressure sensor. When blockage occurs in the pipe bend 11, the pressure sensor can detect the liquid pressure at the feed end of the conveying pipe 50 to determine the blockage situation. When the force received by the pressure sensor exceeds a preset value, it will transmit a signal to the alarm to trigger an alarm, preventing blockage and avoiding excessive pressure from the medium accumulation in the pipe bend 11, which could cause the pipe bend 11 or the conveying pipe 50 to rupture. At the same time, it facilitates personnel to view the location of the blocked pipe bend 11 for accurate and rapid handling, saving time and ensuring timely processing.

[0044] In addition, this utility model also discloses a slurry conveying pipeline system, which adopts the above-mentioned anti-blocking and unblocking device for the pipeline bend.

[0045] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A device for preventing blockage and clearing blockages in pipe bends, characterized in that, include: The anti-blocking mechanism (10) includes a pipe elbow (11) for connecting two conveying pipes (50) and a stirring assembly (12) for stirring the conveyed medium. The stirring assembly (12) is installed on the pipe elbow (11), and the pipe diameter of the pipe elbow (11) is larger than the pipe diameter of the conveying pipe (50). The unblocking mechanism (20) includes a flushing assembly (21) for diluting and / or flushing the clogged medium, and a drain assembly (22) for discharging the clogged medium, wherein the flushing assembly (21) and the drain assembly (22) are respectively connected to the pipe elbow (11).

2. The anti-clogging and unblocking device for pipe bends according to claim 1, characterized in that, The pipe elbow (11) has flange mounting edges at both ends for connecting the material conveying pipe (50), and the flange mounting edges are provided with sealing rings for abutting the material conveying pipe (50).

3. The anti-clogging and unblocking device for pipe bends according to claim 1, characterized in that, The stirring assembly (12) includes a stirring blade (121) disposed inside the pipe bend (11) and a driving component (122) installed outside the pipe bend (11); The output shaft (1223) of the drive unit (122) extends into the pipe elbow (11) and is sealed to the pipe elbow (11), and the stirring blade (121) is fixed on the output shaft (1223) of the drive unit (122).

4. The anti-clogging and unblocking device for pipe bends according to claim 3, characterized in that, The drive unit (122) includes a driver for driving the stirring blade (121) to rotate and a base (1224) disposed at the bottom of the driver. The base (1224) is fixed on the pipe elbow (11) to support and fix the driver. The driver includes a drive motor (1221) and a reducer (1222) connected to the output end of the drive motor (1221), and the output shaft (1223) is connected to the reducer (1222).

5. The anti-clogging and unblocking device for pipe bends according to claim 3, characterized in that, The flushing assembly (21) includes a flushing port opened on the pipe bend (11), a flushing pipe (211) connected to the flushing port, and a flushing agent tank for storing flushing agent. The end of the flushing pipe (211) away from the flushing port is connected to the flushing agent tank for conveying flushing agent into the pipe bend (11). The flushing port is arranged facing the end face of the stirring blade (121). A flushing valve is installed on the flushing pipe (211).

6. The anti-clogging and unblocking device for pipe bends according to claim 1, characterized in that, The sewage discharge assembly (22) includes a sewage discharge port opened on the pipe elbow (11) and a sewage discharge pipe (221) connected to the sewage discharge port; A drain valve is installed on the drain pipe (221).

7. The anti-clogging and unblocking device for pipe bends according to claim 6, characterized in that, The sewage discharge assembly (22) also includes a mechanical discharge port opened at the bottom of the pipe bend (11) and a protective cover detachably installed on the mechanical discharge port. The diameter of the mechanical discharge port is larger than the diameter of the sewage discharge port, and is used to quickly discharge the accumulated medium.

8. The anti-clogging and unblocking device for pipe bends according to claim 1, characterized in that, Both ends of the pipe bend (11) are equipped with flow meters (30), which are used to monitor the flow rate of the medium in the pipe bend (11) in real time.

9. The anti-clogging and unblocking device for pipe bends according to claim 1, characterized in that, The anti-blocking and unblocking device for the pipe bend also includes an alarm component (40) located at the feed end of the pipe bend (11). The alarm component (40) includes a pressure sensor and an alarm installed on the pipe bend (11) and / or for installation on the feed pipe (50). The alarm is electrically connected to the pressure sensor.

10. A slurry conveying pipeline system, characterized in that, Including the anti-clogging and unblocking device for pipe bends as described in any one of claims 1 to 9.

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