A pipe-clogging cleaning device suitable for use in a gelled material supply process

Abstract

The application discloses a pipe blocking cleaning device suitable for a gelling material supply process and belongs to the technical field of gelling material conveying. The pipe blocking cleaning device comprises a material conveying pipe connected to the output end of a downwardly leading bin pump, a conveying valve is arranged on the material conveying pipe, a connecting pipe is arranged on the material conveying pipe in communication, a blocking valve is connected to the upper end of the connecting pipe, a circulating blocking pipe is connected between the blocking valve and the upper end of the bin, a pressure adjusting pipe is fixedly arranged on the side wall of the connecting pipe in communication, a pressure adjusting assembly is arranged on the inner side of the pressure adjusting pipe, a cleaning rotating rod is rotatably arranged on the inner side of the material conveying pipe, and receiving accommodation grooves are uniformly arranged on the cleaning rotating rod. The pipe blocking cleaning device can drive the pipe to vibrate through air pressure change, loosen the blocked material, clean the residual material on the pipe wall, and effectively improve the cleaning effect.

Description

Technical Field

[0001] This invention relates to the field of cementitious material conveying technology, specifically to a pipe blockage clearing device applicable to the cementitious material supply process. Background Technology

[0002] In the process of supplying cementitious materials, if cement and fly ash are supplied to the mixing plant and mixing station at the same time, pipe blockage is likely to occur during the operation of the cementitious material supply system. In order to avoid affecting the normal operation of the supply system, a pipe blockage removal device is needed to automatically clear the blockage.

[0003] Prior art 1 (Chinese patent application number: 201520223887.0, filed on 2015-04-14) discloses a deblocking device for a fly ash conveying system, including a conveying pump, a dust collector ash hopper, and a high-level gauge. A deblocking pipe is connected to the fly ash pipeline after the conveying pump. A valve is connected to the lower part of the deblocking pipe, and the end of the deblocking pipe is connected to the top of the fly ash pipeline. The top of the deblocking pipe is inserted into the upper part of the dust collector ash hopper and is higher than the high-level gauge on the dust collector ash hopper. Its structure is simple. When the fly ash pipeline is blocked, opening the valve can effectively clear the blockage. In addition, it does not require frequent maintenance, is easy to manufacture, and has low manufacturing cost, effectively reducing production and operating costs. Prior art 2 (Chinese patent application number: 201410814060.7, filed on 2014-12-23) discloses a cleaning and unblocking system for a mine concrete conveying trunk line, solving the problem of cumbersome unblocking operations in existing pipelines. It includes a conveying pipeline with several high-pressure air unblocking units connected in series. Each high-pressure air unblocking unit has a main pipeline connected to the conveying pipeline, and branch air intake lines branch off from the main pipeline. These branch air intake lines are connected to a high-pressure air supply source, and control valves are installed on the branch air intake lines. A pressure transmitter is attached to the inner wall of the device. The pressure transmitter is connected to a recording and analysis instrument via a circuit. A vibration mechanism is installed on the outside of the main pipeline. The vibration mechanism includes a pneumatic piston cylinder. The pneumatic piston cylinder drives and connects to a vibration frame. The vibration frame surrounds the outer perimeter of the main pipeline. The air ports at both ends of the pneumatic piston cylinder are connected to a reversing valve through the main air passage. Branch air passages branch off from the main air passage. The branch air passages act on the elastic switching end of the reversing valve. The reversing valve is connected to a high-pressure gas supply source through the inlet and outlet air passages and the return air passages. The device has a high degree of automation and saves time and effort.

[0004] However, existing unblocking devices only rely on air pressure regulation to discharge the blockage material during operation, and cannot assist in loosening and cleaning the material in the pipeline, resulting in low unblocking efficiency and incomplete unblocking, which has certain defects in use. Summary of the Invention

[0005] The purpose of this invention is to provide a pipe blockage removal device suitable for the supply process of cementitious materials, so as to solve the problems mentioned in the background art. Currently, the pipe blockage removal devices on the market only achieve the discharge of blockage material through single air pressure regulation, which cannot assist in loosening and cleaning the material in the pipeline, resulting in low cleaning efficiency and incomplete cleaning.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a pipe blockage clearing device suitable for the supply process of cementitious materials, comprising a material conveying pipe connected to the output end of a down-draft silo pump, and a conveying valve installed on the material conveying pipe, a connecting pipe connected to the material conveying pipe, and a blockage discharge valve connected to the upper end of the connecting pipe, and a circulating blockage discharge pipe connected between the blockage discharge valve and the upper end of the silo. A pressure regulating pipe is fixedly installed on the side wall of the connecting pipe, and a pressure regulating component is provided on the inner side of the pressure regulating pipe to regulate the internal pressure of the pressure regulating pipe. A blockage clearing rotating rod is rotatably installed on the inner side of the material conveying pipe, and a collection and receiving groove is evenly opened on the blockage clearing rotating rod. A cleaning component is rotatably installed on the inner side of the collection and receiving groove. An external fixing frame is fixedly installed on the outside of the material conveying pipe, and a vibration component is provided on the external fixing frame to vibrate and clear blockages in the material conveying pipe.

[0007] Preferably, the upper end of the circulating drainage pipe extends through the upper end of the hopper, and the upper end of the circulating drainage pipe is curved, with a bending angle greater than 90°, while the upper port of the circulating drainage pipe faces downward.

[0008] Preferably, the pressure regulating assembly includes a sealing piston sheet that is interference-slidably mounted inside the pressure regulating tube, and a first spring is fixedly connected between the sealing piston sheet and the inner wall of the right end of the pressure regulating tube. A movable guide post is fixedly connected to the right side of the sealing piston sheet, and the movable guide post passes through the right end of the pressure regulating tube.

[0009] Preferably, the unblocking rotating rod and the material conveying pipe are coaxially arranged, and the unblocking rotating rod is elastically rotatably installed on the inner side of the material conveying pipe. A winding wheel is fixedly installed on the outer side of the left end of the unblocking rotating rod, and a linkage pull rope is wound around the outer side of the winding wheel. The upper end of the linkage pull rope is fixedly connected to the outer side of the sealing piston sheet. During the movement of the sealing piston sheet, the unblocking rotating rod is pulled synchronously and elastically by the linkage pull rope.

[0010] Preferably, the cleaning component includes a rotating seat that is uniformly and elastically rotatably mounted inside the receiving and accommodating groove, and the rotating seat elastically rotates under the action of centrifugal force during the rotation of the unblocking rotating rod.

[0011] Preferably, the cleaning component further includes cleaning bristles that are evenly and fixedly installed on the right end of the rotating seat. After the rotating seat is elastically rotated and erected, the cleaning bristles at its end adhere to the inner wall of the material conveying pipe, and the cleaning of the inner wall of the material conveying pipe is achieved by rotating along with the unblocking rotating rod.

[0012] Preferably, an elastic bladder is fixedly connected between the rotating seat and the inner wall of the receiving and accommodating groove, and an air supply pipe is connected to the outer side of the elastic bladder. The port of the air supply pipe is provided with a filter structure, and the port of the air supply pipe faces the cleaning bristles.

[0013] Preferably, the shock assembly includes a lifting movable frame that is telescopically installed on the external fixed frame of the tube. The lifting movable frame is arranged in a U-shape. A first magnetic block is evenly fixedly installed on the upper end of the lifting movable frame, and a second magnetic block is fixedly installed below the right end of the movable guide column. When the first magnetic block passes under the second magnetic block, the lifting movable frame is pulled upward by magnetic force.

[0014] Preferably, a second spring is uniformly fixedly connected between the outer fixed frame and the lifting movable frame, and a vibrating striking element is uniformly fixedly installed on the lower surface of the lifting movable frame. The vibrating striking element is arranged in an arc shape and initially adheres to the outer wall of the material conveying pipe.

[0015] Compared with the prior art, the beneficial effects of the present invention are: the pipe blockage cleaning device applicable to the supply process of cementitious materials can drive the pipe to vibrate through air pressure changes, thereby loosening the blockage material and cleaning the residual material on the pipe wall, effectively improving the blockage cleaning effect. The specific details are as follows; 1. Equipped with a drain valve and a circulating drain pipe, the drain valve allows the circulating drain pipe to extract the blocked material from the material conveying pipe through negative pressure and convey it back to the silo, realizing the recycling of material and facilitating subsequent conveying. 2. Equipped with a pressure regulating pipe and a sealing piston sheet, when the material conveying pipe becomes blocked, the air pressure inside the material conveying pipe increases, causing the sealing piston sheet to slide along the inside of the pressure regulating pipe under the action of air pressure, thereby regulating the material conveying pipe so that the instantaneous air pressure inside the pipe is too high and affects the normal connection and use of the pipeline. Furthermore, it is equipped with a blockage-clearing rotating rod, a linkage pull rope, and cleaning brush bristles. When the air pressure increases, the sealing piston sheet will pull the blockage-clearing rotating rod to rotate elastically through the linkage pull rope. When clearing blockage, the blockage-removing valve is opened. At this time, the sealing piston sheet will reset, causing the blockage-clearing rotating rod to rotate elastically and reset, so that it is thrown out of the rotating seat by centrifugal force, and the cleaning brush bristles at the end of the rotating seat can automatically assist in cleaning the inner wall of the pipe. 3. A lifting frame is provided. As the movable guide column elastically resets, the second magnetic block at the right end of the movable guide column will intermittently pass the first magnetic block at different positions above the lifting frame. At this time, the lifting frame will elastically move upward under the magnetic force of the first and second magnetic blocks. When the first and second magnetic blocks are misaligned, the lifting frame will elastically move downward to reset. Then, the vibrating striking element at its lower end will strike the material conveying pipe to loosen the blockage inside the material conveying pipe, thus assisting in subsequent unblocking. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the installation structure of the present invention; Figure 2 This is a schematic diagram of the installation structure of the circulating drainage pipe of the present invention; Figure 3 This is a schematic diagram of the connection structure between the material conveying pipe and the connecting pipe of the present invention; Figure 4 This is a cross-sectional view of the material conveying pipe, connecting pipe, and pressure regulating pipe of the present invention. Figure 5 This is a three-dimensional structural diagram of the unblocking rotating rod of the present invention; Figure 6 This is a schematic diagram of the rotating seat mounting structure of the present invention; Figure 7 This is a schematic diagram of the connection structure between the external tube fixing frame and the lifting movable frame of the present invention; Figure 8 For the present invention Figure 4 Enlarged structural diagram at point A in the middle.

[0017] In the diagram: 1. Material conveying pipe; 2. Conveying valve; 3. Connecting pipe; 4. Unblocking valve; 5. Circulating unblocking pipe; 6. Pressure regulating pipe; 7. Sealing piston sheet; 8. Movable guide column; 9. First spring; 10. Unblocking rotating rod; 11. Linkage pull rope; 12. Storage and holding slot; 13. Rotating seat; 14. Cleaning bristles; 15. Elastic bladder; 16. Gas conveying pipe; 17. External pipe fixing frame; 18. Lifting movable frame; 19. First magnetic block; 20. Second magnetic block; 21. Second spring; 22. Vibrating striking component. Detailed Implementation

[0018] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0019] Example 1: Please refer to Figures 1-4 and Figures 7-8 As shown, existing pipe cleaning devices are not convenient for reducing the probability of blockage during transportation. In order to solve this technical problem, this embodiment discloses the following technical content; A pipe blockage clearing device suitable for the supply process of cementitious materials includes a material conveying pipe 1 connected to the output end of a down-draft silo pump, a conveying valve 2 installed on the material conveying pipe 1, a connecting pipe 3 connected to the material conveying pipe 1, a blockage discharge valve 4 connected to the upper end of the connecting pipe 3, and a circulation blockage discharge pipe 5 connected between the blockage discharge valve 4 and the upper end of the silo. A pressure regulating pipe 6 is fixedly installed on the side wall of the connecting pipe 3, and a pressure regulating component is provided on the inner side of the pressure regulating pipe 6 to regulate the internal pressure of the pressure regulating pipe 6. An external fixing bracket 17 is fixedly installed on the outside of the material conveying pipe 1, and a vibration component is provided on the external fixing bracket 17 to achieve vibration and unblocking of the material conveying pipe 1.

[0020] The upper end of the circulation drain pipe 5 extends through the upper end of the hopper, and the upper end of the circulation drain pipe 5 is curved, with a bending angle greater than 90°. At the same time, the upper port of the circulation drain pipe 5 faces downward.

[0021] The pressure regulating assembly includes a sealing piston sheet 7 that is interference-slidably mounted inside the pressure regulating tube 6, and a first spring 9 is fixedly connected between the sealing piston sheet 7 and the inner wall of the right end of the pressure regulating tube 6. A movable guide post 8 is fixedly connected to the right side of the sealing piston sheet 7, and the movable guide post 8 passes through the right end of the pressure regulating tube 6.

[0022] The shock assembly includes a lifting movable frame 18 that is telescopically mounted on the outer fixed frame 17 of the tube. The lifting movable frame 18 is U-shaped and a first magnetic block 19 is evenly fixedly installed on the upper end of the lifting movable frame 18. At the same time, a second magnetic block 20 is fixedly installed below the right end of the movable guide column 8. When the first magnetic block 19 passes under the second magnetic block 20, the lifting movable frame 18 is pulled upward by magnetic force.

[0023] A second spring 21 is uniformly fixedly connected between the outer fixed frame 17 and the lifting movable frame 18, and a vibrating striking element 22 is uniformly fixedly installed on the lower surface of the lifting movable frame 18. The vibrating striking element 22 is arranged in an arc shape and initially adheres to the outer wall of the material conveying pipe 1.

[0024] Through the above technical solution, when the material conveying pipe 1 is partially blocked during material conveying, the air pressure inside the material conveying pipe 1 will gradually increase. At this time, the sealing piston sheet 7 will slide inside the pressure regulating pipe 6, causing the movable guide post 8 to extend and move to the right end of the pressure regulating pipe 6. At this time, the first magnetic block 19 set at the right end of the movable guide post 8 will intermittently pass above the first magnetic block 19 at different positions on the lifting movable frame 18, so that the lifting movable frame 18 and the pipe fixing frame 17 can be elastically adjusted under the action of magnetic force, thereby driving the vibrating striking part 22 set on the lower surface of the lifting movable frame 18 to automatically strike the surface of the material conveying pipe 1, thereby causing the material conveying pipe 1 to vibrate, thereby promoting the loosening of the blocked part of the material, avoiding further blockage, and thus reducing the probability of blockage during the conveying process.

[0025] Example 2: The technical content disclosed in this example is a further improvement based on Example 1. Existing pipe blockage removal devices rely solely on negative pressure to clear blockages, making it impossible to completely remove the blockage material. To further solve this technical problem, this example discloses the following technical content, such as... Figures 2-8 As shown; A clearing rotating rod 10 is rotatably mounted on the inner side of the material conveying pipe 1, and a receiving and accommodating groove 12 is evenly opened on the clearing rotating rod 10. A cleaning component is rotatably mounted on the inner side of the receiving and accommodating groove 12. The clearing rotating rod 10 and the material conveying pipe 1 are coaxially arranged, and the clearing rotating rod 10 is elastically rotatably mounted on the inner side of the material conveying pipe 1. A winding wheel is fixedly mounted on the outer side of the left end of the clearing rotating rod 10, and a linkage pull rope 11 is wound around the outer side of the winding wheel. The upper end of the linkage pull rope 11 is fixedly connected to the outer side of the sealing piston film 7. During the movement of the sealing piston film 7, the clearing rotating rod 10 is pulled synchronously and elastically rotated by the linkage pull rope 11. The cleaning component includes a rotating seat 13 that is evenly and elastically rotatably mounted on the inner side of the receiving and accommodating groove 12, and the rotating seat 13 elastically rotates under the action of centrifugal force during the rotation of the clearing rotating rod 10. The cleaning assembly also includes cleaning bristles 14 evenly fixedly installed on the right end of the rotating base 13. After the rotating base 13 is elastically rotated and erected, the cleaning bristles 14 at its end adhere to the inner wall of the material conveying pipe 1, and clean the inner wall of the material conveying pipe 1 by rotating with the unblocking rotating rod 10. An elastic bladder 15 is fixedly connected between the inner wall of the rotating base 13 and the receiving and accommodating groove 12, and an air supply pipe 16 is connected to the outside of the elastic bladder 15. The port of the air supply pipe 16 is provided with a filter structure, and the port of the air supply pipe 16 faces the cleaning bristles 14.

[0026] Through the above technical solution, when a blockage occurs in the material conveying pipe 1 during the conveying process, the air pressure inside the material conveying pipe 1 will gradually increase, causing the air pressure inside the pressure regulating pipe 6 to increase synchronously. At this time, the sealing piston 7 will slide along the inner wall of the pressure regulating pipe 6 under the action of air pressure. At this time, the pressure regulating pipe 6 will pull the unblocking rotating rod 10 to rotate elastically through the linkage pull rope 11. At the same time, the movable guide column 8 will slide and adjust. When the air pressure inside the material conveying pipe 1 is too high, the unblocking valve 4 will be opened, so that the circulating unblocking pipe 5 can back-pump the blockage material inside the material conveying pipe 1 through the negative pressure. At the same time, the air pressure inside the pressure regulating pipe 6 will gradually decrease. At this time, the sealing piston 7 will reset under the elastic force of the first spring 9. The movable guide column 8 will move to the left and reset synchronously, so that the first magnetic block 19 at the right end of the movable guide column 8 will gradually pass through the second magnetic block 20 at different positions again, so that the lifting movable frame 18 will reciprocate elastically lifting and lowering under the action of magnetic force. The vibrating striking part 22 on the lower surface of the lifting movable frame 18 will move the material conveying pipe 1 backward. Repeated tapping causes vibration in the material conveying pipe 1, loosening the blockage material inside and facilitating its removal. As the material is removed, the unblocking rotating rod 10 rotates and resets under the force of the torsion spring. This causes the rotating seat 13 to rotate and stand upright due to centrifugal force, ejecting from the receiving slot 12. The cleaning bristles 14 at the end of the rotating seat 13 then adhere to the inner wall of the material conveying pipe 1. This allows the unblocking rotating rod 10 to rotate the rotating seat 13, effectively cleaning the blockage. The material remaining on the inner wall of the material conveying pipe 1 is cleaned to further improve the unblocking effect. When the rotating seat 13 rotates and stands upright, it will work with the inner wall of the receiving and accommodating groove 12 to stretch the elastic bladder 15, so that the elastic bladder 15 can draw in air through the air supply pipe 16. When the unblocking is completed, when the rotating seat 13 elastically rotates and resets, it will squeeze the elastic bladder 15, so that the elastic bladder 15 can blow out the drawn-in air again through the air supply pipe 16, thereby realizing the automatic cleaning of the residual material on the outside of the cleaning bristles 14 and avoiding material residue.

[0027] The contents not described in detail in this specification are existing technologies known to those skilled in the art.

[0028] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A pipe-clogging clearing device suitable for the supply process of cementitious materials, comprising a material conveying pipe (1) connected to the output end of a down-draft silo pump, and a conveying valve (2) installed on the material conveying pipe (1), characterized in that, The material conveying pipe (1) is connected to a connecting pipe (3), and the upper end of the connecting pipe (3) is connected to a drain valve (4), and a circulating drain pipe (5) is connected between the drain valve (4) and the upper end of the silo. The side wall of the connecting pipe (3) is fixedly connected to the pressure regulating pipe (6), and the inner side of the pressure regulating pipe (6) is provided with a pressure regulating component to realize the adjustment of the internal pressure of the pressure regulating pipe (6). The inner side of the material conveying pipe (1) is rotatably installed with a blockage clearing rotating rod (10), and a collection and receiving groove (12) is evenly opened on the blockage clearing rotating rod (10), and a cleaning component is rotatably installed on the inner side of the collection and receiving groove (12). An external fixing frame (17) is fixedly installed on the outside of the material conveying pipe (1), and a vibration component is provided on the external fixing frame (17) to realize the vibration and unblocking of the material conveying pipe (1); the pressure regulating component includes a sealing piston sheet (7) that is interference-slidably installed on the inside of the pressure regulating pipe (6), and a first spring (9) is fixedly connected between the sealing piston sheet (7) and the inner wall of the right end of the pressure regulating pipe (6), and a movable guide post (8) is fixedly connected to the right side of the sealing piston sheet (7), while the movable guide post (8) passes through the right end of the pressure regulating pipe (6); The unblocking rotating rod (10) and the material conveying pipe (1) are coaxially arranged, and the unblocking rotating rod (10) is elastically rotatably installed on the inner side of the material conveying pipe (1). A winding wheel is fixedly installed on the outer side of the left end of the unblocking rotating rod (10), and a linkage pull rope (11) is wound around the outer side of the winding wheel. The upper end of the linkage pull rope (11) is fixedly connected to the outer side of the sealing piston film (7). During the movement of the sealing piston film (7), the unblocking rotating rod (10) is pulled synchronously and elastically by the linkage pull rope (11). The cleaning assembly includes a rotating seat (13) that is uniformly and elastically rotatably installed inside the receiving and accommodating groove (12). During the rotation of the unblocking rotating rod (10), the rotating seat (13) rotates elastically under the action of centrifugal force. The cleaning assembly also includes cleaning bristles (14) that are uniformly and fixedly installed on the right end of the rotating seat (13). After the rotating seat (13) is elastically rotated and erected, the cleaning bristles (14) at its end are attached to the inner wall of the material conveying pipe (1). The cleaning of the inner wall of the material conveying pipe (1) is achieved by rotating with the unblocking rotating rod (10). An elastic bladder (15) is fixedly connected between the inner wall of the rotating seat (13) and the receiving and accommodating groove (12), and an air supply pipe (16) is connected to the outer side of the elastic bladder (15). The port of the air supply pipe (16) is provided with a filter structure, and the port of the air supply pipe (16) faces the cleaning bristles (14).

2. The pipe blockage clearing device according to claim 1, characterized in that: The upper end of the circulating drain pipe (5) penetrates the upper end of the silo, and the upper end of the circulating drain pipe (5) is curved, with the bending angle of the upper end of the circulating drain pipe (5) being greater than 90°, while the upper port of the circulating drain pipe (5) faces downward.

3. The pipe blockage clearing device according to claim 1, characterized in that: The shock assembly includes a lifting movable frame (18) that is telescopically installed on the outer fixed frame (17) of the tube. The lifting movable frame (18) is U-shaped. A first magnetic block (19) is evenly fixedly installed on the upper end of the lifting movable frame (18). At the same time, a second magnetic block (20) is fixedly installed below the right end of the movable guide column (8). When the second magnetic block (20) passes above the first magnetic block (19), it pulls the lifting movable frame (18) upward by magnetic force.

4. A pipe blockage clearing device suitable for the supply process of cementitious materials according to claim 1, characterized in that: A second spring (21) is uniformly fixed between the outer fixed frame (17) and the lifting movable frame (18), and a vibrating striking element (22) is uniformly fixed on the lower surface of the lifting movable frame (18). The vibrating striking element (22) is arranged in an arc shape, and the vibrating striking element (22) is initially attached to the outer wall of the material conveying pipe (1).

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