Slurry conveying pump with anti-blocking function

Abstract

The slurry delivery pump with the anti-blocking function comprises a pump body, the pump body is communicated with a one-way valve, a slurry inlet of the one-way valve is communicated with one end of a slurry inlet pipe, a slurry outlet of the one-way valve is communicated with one end of a slurry outlet pipe, a filter screen is arranged in the slurry inlet pipe, two crushing pieces are arranged on the side face of the filter screen, and nozzles are arranged on the two sides of each crushing piece respectively. The nozzle is connected with the inner wall of the slurry inlet pipe, and the slurry inlet pipe is provided with a crushing piece driving assembly and a cleaning liquid conveying device. Solid particles are extruded and crushed, so that the crushed solid particles can pass through a filter screen, the solid particles or impurities are prevented from blocking the inlet side of the filter screen, meanwhile, a crushing piece driving assembly drives a cleaning liquid conveying device to move, and the cleaning liquid conveying device intermittently conveys cleaning liquid to a nozzle, so that after the cleaning liquid is sprayed on the filter screen, the filter screen is cleaned. And the crushing sheets can scrape and clean more cleanly, so that the conveying efficiency of the slurry conveying pump is improved.

Description

Technical Field

[0001] The invention belongs to the technical field of delivery pumps, and in particular relates to a mud delivery pump with an anti-blocking function. Background Art

[0002] As an important fluid conveying equipment, mud pumps are widely used in mining, oil drilling, sewage treatment, chemical industry and other fields. However, in the process of mud transportation, since mud usually contains complex media such as solid particles, fibers, suspended matter, etc., these media are easy to accumulate in the suction port or pipeline of the mud pump, causing the mud pump to be blocked, thus affecting its normal operation. When facing blockage problems, traditional mud pumps often need to be shut down for manual cleaning, which not only increases maintenance costs, but also affects production efficiency and continuity. Especially in key areas such as oil drilling, sewage treatment and chemical production, the blockage problem of mud pumps may cause serious production delays and safety risks.

[0003] In order to solve this problem, some mud pumps with anti-blocking function have appeared. The patent with publication number CN218117978 U discloses a mud delivery pump with anti-blocking function, including a pump body, an extension pipe, a baffle and a collector, wherein the extension pipe is detachably arranged on the feed port of the pump body, the baffle is arranged on the extension pipe, the collector is arranged on the extension pipe, the baffle includes a mounting seat, a mesh plate, a first sealing gasket and a buckle, the mounting seat is detachably arranged on the extension pipe, the mesh plate is arranged on the mounting seat and slides through the top wall of the extension pipe, the first sealing gasket is arranged on the mounting seat and is located outside the mesh plate, and the buckle is arranged on the mounting seat.

[0004] However, the above patent has the following shortcomings in actual use: since there are many large-sized solid particles in the mud that cannot pass through the mesh plate, they will soon gather on the mesh plate, causing the mesh plate to be blocked, affecting the delivery efficiency of the delivery pump. Summary of the invention

[0005] Therefore, the present invention aims to solve the problem in the prior art that large-sized solid particles cannot pass through the mesh plate and will soon gather on the mesh plate, causing the mesh plate to be blocked, thereby affecting the delivery efficiency of the delivery pump.

[0006] To this end, the technical solution adopted is that a mud conveying pump with anti-blocking function of the present invention includes: a pump body, the pump body is connected with a one-way valve, the slurry inlet of the one-way valve is connected with one end of the slurry inlet pipe, the slurry outlet of the one-way valve is connected with one end of the slurry outlet pipe, a filter is arranged in the slurry inlet pipe, two crushing pieces are arranged on the side of the filter, nozzles are respectively arranged on both sides of the crushing pieces, the nozzles are connected with the inner wall of the slurry inlet pipe, a crushing piece driving assembly and a cleaning liquid conveying device are arranged on the slurry inlet pipe, the crushing piece driving assembly is connected with the cleaning liquid conveying device, the crushing piece driving assembly drives the crushing piece to reciprocate up and down and stop at the bottom, at the same time, the two crushing pieces swing towards each other, and then swing away from each other, the crushing piece driving assembly also drives the cleaning liquid conveying device to move at the same time, and the cleaning liquid conveying device intermittently conveys cleaning liquid to the nozzle.

[0007] Preferably, the pump body includes: a hydraulic cylinder, a piston rod of the hydraulic cylinder extends into the mud cylinder and is connected to the mud plug, a first connecting pipe is respectively provided on both sides of the mud plug of the hydraulic cylinder, one end of the first connecting pipe is connected to the mud cylinder, and a first flange is provided at the other end of the first connecting pipe, a second connecting pipe is provided on the side wall of the one-way valve, a second flange is provided at the end of the second connecting pipe away from the one-way valve, and the first flange and the second flange are connected by bolts.

[0008] Preferably, a support is provided at the bottom end of the mud cylinder.

[0009] Preferably, a first flange is provided at one end of the slurry inlet pipe away from the one-way valve, and a second flange is provided at one end of the slurry outlet pipe away from the one-way valve.

[0010] The transmission gear of the present invention is connected with the drive gear of the driving gear of the driving gear of the driving gear. The transmission gear of the driving gear is connected with the drive gear of the driving gear of the driving gear. The transmission gear of the driving gear is connected with the drive gear of the driving gear. The transmission gear of the driving gear is connected with the drive gear of the driving gear.

[0011] Preferably, the cleaning liquid delivery device includes: a cylinder body, the cylinder body is located above the turntable, the cylinder body is connected to the inner wall of the outer shell, a piston that reciprocates up and down is arranged in the cylinder body, the upper end of the movable rod is connected to the piston, a liquid storage tank is arranged on one side of the cylinder body, one end of the infusion tube is connected to the liquid storage tank, the other end of the infusion tube is connected to the upper end of the cylinder body, an infusion check valve is arranged on the infusion tube, one end of the discharge tube is connected to the upper end of the cylinder body, a discharge check valve is arranged on the discharge tube, and the other end of the discharge tube is respectively connected to two nozzles.

[0012] Preferably, a slag discharge port is provided on the slurry inlet pipe below the filter screen, and a slag storage tank is threadedly connected to the slag discharge port.

[0013] Preferably, a maintenance port is provided on the side wall of the shell, and a cover plate is provided on the maintenance port, one end of the cover plate is hinged to the shell, and the other end of the cover plate is connected to the shell by screws.

[0014] The technical solution of the present invention has the following advantages: the crushing piece driving assembly drives the two crushing pieces to move reciprocatingly up and down, which can scrape off the solid particles on the filter screen, and the reciprocating swing of the two crushing pieces at the bottom squeezes and crushes the solid particles so that they can pass through the filter screen after crushing, thereby preventing solid particles or impurities from clogging the filter screen inlet side. At the same time, the crushing piece driving assembly drives the cleaning liquid delivery device to move, and the cleaning liquid delivery device intermittently delivers cleaning liquid to the nozzle, so that after the cleaning liquid is sprayed on the filter screen, the crushing pieces can scrape and clean it more thoroughly, thereby improving the delivery efficiency of the mud delivery pump.

[0015] Other features and advantages of the present invention will be described in the following description, and partly become apparent from the description, or understood by practicing the present invention. The purpose and other advantages of the present invention can be realized and obtained by the structures particularly pointed out in the written description and the accompanying drawings.

[0016] The technical solution of the present invention is further described in detail below through the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings: Figure 1 It is a schematic diagram of the structure of the present invention; Figure 2 It is a structural schematic diagram of the pump body of the present invention; Figure 3 It is a schematic diagram of the structure of the crushing piece driving assembly and the cleaning liquid conveying device in the present invention; Figure 4 yes Figure 3 A magnified image of point A; Figure 5It is a structural schematic diagram of the motor, the rotating shaft and the rotating disk in the present invention; Description of reference numerals: 1. Pump body; 2. One-way valve; 3. Slurry inlet pipe; 4. Slurry outlet pipe; 5. Filter screen; 6. Crushing piece; 7. Nozzle; 8. First flange; 9. Second flange; 10. Housing; 11. Motor; 12. Output shaft; 13. Rotating shaft; 14. Rotating plate; 15. Annular slide; 16. Cam; 17. Rocker; 18. Opening; 19. Spring; 20. Slider; 21. Slide rail; 22. Moving rod; 23. Sliding column; 24. Guide groove; 25. Cylinder body; 26. Piston ; 27. Liquid storage tank; 28. Infusion pipe; 29. ​​Infusion check valve; 30. Discharge pipe; 31. Discharge check valve; 32. Slag discharge port; 33. Slag storage tank; 34. Maintenance port; 35. Cover plate; 101. Hydraulic cylinder; 102. Piston rod; 103. Mud cylinder; 104. Mud plug; 105. First connecting pipe; 106. First flange; 107. Second connecting pipe; 108. Second flange; 109. Support; 151. Arc slide; 152. Eyebrow slide. DETAILED DESCRIPTION

[0018] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0019] It should be noted that when a component is referred to as being "fixed to" or "disposed on" another component, it can be directly on the other component or indirectly on the other component. When a component is referred to as being "connected to" another component, it can be directly or indirectly connected to the other component.

[0020] It should be understood that the orientation or position relationship indicated by terms such as "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0021] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0022] The present invention provides a mud delivery pump with anti-blocking function, such as Figure 1-5 As shown, it includes: a pump body 1, the pump body 1 is connected with a one-way valve 2, the slurry inlet of the one-way valve 2 is connected with one end of the slurry inlet pipe 3, the slurry outlet of the one-way valve 2 is connected with one end of the slurry outlet pipe 4, a filter screen 5 is arranged in the slurry inlet pipe 3, two crushing pieces 6 are arranged on the side of the filter screen 5, nozzles 7 are respectively arranged on both sides of the crushing pieces 6, the nozzles 7 are connected with the inner wall of the slurry inlet pipe 3, a crushing piece driving assembly and a cleaning liquid conveying device are arranged on the slurry inlet pipe 3, the crushing piece driving assembly is connected with the cleaning liquid conveying device, the crushing piece driving assembly drives the crushing piece 6 to reciprocate up and down, and stops at the bottom, when stopping, the two crushing pieces 6 swing towards each other, and then swing away from each other, at the same time, the crushing piece driving assembly drives the cleaning liquid conveying device to move, and the cleaning liquid conveying device intermittently conveys cleaning liquid to the nozzle 7.

[0023] The working principle and beneficial technical effects of the above technical scheme are as follows: the pump body 1 is started, so that the volume of the valve box in the one-way valve 2 changes continuously, the mud is input from the mud inlet pipe 3, and after being increased and decompressed, it is discharged from the mud outlet pipe 4. The filter screen 5 can prevent large-sized solid particles from passing through. The crushing piece driving assembly drives the two crushing pieces 6 to move reciprocatingly up and down, which can scrape off the solid particles on the filter screen 5, and through the reciprocating swing of the two crushing pieces 6 at the bottom, the solid particles are squeezed and crushed so that they can pass through the filter screen after crushing, thereby preventing solid particles or impurities from clogging the filter screen inlet side. At the same time, the crushing piece driving assembly drives the cleaning liquid conveying device to move, and the cleaning liquid conveying device intermittently conveys cleaning liquid to the nozzle 7, so that after the cleaning liquid is sprayed on the filter screen 5, the crushing piece can scrape and clean it more cleanly, thereby improving the conveying efficiency of the mud conveying pump.

[0024] In one embodiment, Figure 1-2 The pump body 1 includes: a hydraulic cylinder 101, a piston rod 102 of the hydraulic cylinder 101 extends into the mud cylinder 103 and is connected to the mud plug 104, a first connecting pipe 105 is provided on both sides of the hydraulic cylinder 101, one end of the first connecting pipe 105 is connected to the mud cylinder 103, and the other end of the first connecting pipe 105 is connected with a first flange 106, a second connecting pipe 107 is provided on the side wall of the one-way valve 2, and a second flange 108 is provided at the end of the second connecting pipe 107 away from the one-way valve 2, and the first flange 106 and the second flange 108 are connected by bolts. The hydraulic cylinder 101 drives the mud plug 104 to move back and forth in the mud cylinder 103, so that the volume of the valve box in the two one-way valves 2 is constantly changing, and the mud transported by the inlet pipe 3 is continuously pressurized and continuously transported to the outlet pipe 4. A support 109 is provided at the bottom of the mud cylinder 103 to support the mud cylinder. A first flange 8 is provided at one end of the pulp inlet pipe 3 away from the one-way valve 2, and a second flange 9 is provided at one end of the pulp outlet pipe 4 away from the one-way valve 2, so as to facilitate quick connection with external pipelines.

[0025] In one embodiment, Figure 1-5 As shown, the crushing piece driving assembly includes: a shell 10, a shell 10 is arranged on the top of the pulp inlet pipe 3, a motor 11 is arranged on the inner wall of the shell 10, an output shaft 12 of the motor 11 is coaxially connected with one end of a rotating shaft 13, a rotating disk 14 is coaxially arranged on the rotating shaft 13, an annular chute 15 is arranged on the end surface of the rotating disk 14, and the annular chute 15 is composed of a circular arc chute 151 and two eyebrow chute 152 connected end to end, the other end of the rotating shaft 13 is connected to a cam 16, the cam is in the shape of a rugby ball, and rockers 17 are respectively arranged on both sides of the cam 16, one end of the rocker 17 is in contact with the circumferential outer wall of the cam 16, and the other end of the rocker 17 is in contact with one end of the crushing piece 6, An opening 18 is provided on the wall of the tube 3, and the other end of the crushing piece 6 extends through the opening 18 to the pulp inlet pipe 3. The two rocking arms 17 are connected by a spring 19. The two crushing pieces 6 are hinged on the slider 20 near the rocking arm 17. The slider 20 is slidably connected to the slide rail 21, and the slide rail 21 is connected to the inner wall of the shell 10. The slider 20 reciprocates up and down along the slide rail 21. The lower end of the moving rod 22 is connected to the upper end of the slider 20, and the moving rod 22 is connected to one end of the sliding column 23. The other end of the sliding column 23 is slidably connected to the annular sliding groove 15. A vertical guide groove 24 is provided on the moving rod 22 above the sliding column 23, and the rotating shaft 13 passes through the guide groove 24.

[0026] The working principle and beneficial technical effects of the above technical solution are as follows: starting the motor 11 drives the turntable 14 and the cam 16 to rotate, so that the slide post 23 slides along the annular slide groove 15. When the slide post 23 slides in the two eyebrow-shaped slide grooves 152, the slide post 23 reciprocates along the vertical direction. When the slide post 23 slides in the arc slide groove 151, the slide post 23 remains stationary, and the slide post 23 drives the moving rod 22 and the slider 20 to reciprocate up and down and stop at the bottom limit position. At the same time, the cam 16 rotates and contacts with the two rocking arms 17 to drive the two crushing pieces 6 to swing closer or farther around the hinge of the slider 20. Through the composite superposition of motion, the two crushing pieces 6 will also swing back and forth during the up and down reciprocating motion to scrape off the solid particles on the filter screen 5. When the crushing piece 6 moves to the bottom, it will also stop at the bottom limit position and swing back and forth to crush the solid particles so that large-sized solid particles can pass through the filter screen to prevent the filter screen from being blocked.

[0027] In one embodiment, Figure 2As shown, the cleaning liquid delivery device includes: a cylinder body 25, the cylinder body 25 is located above the turntable 14, the cylinder body 25 is connected to the inner wall of the outer shell 10, a piston 26 that reciprocates up and down is arranged in the cylinder body 25, the upper end of the movable rod 22 is connected to the piston 26, a liquid storage tank 27 is arranged on one side of the cylinder body 25, one end of the infusion tube 28 is connected to the liquid storage tank 27, the other end of the infusion tube 28 is connected to the upper end of the cylinder body 25, an infusion check valve 29 is arranged on the infusion tube 28, one end of the discharge tube 30 is connected to the upper end of the cylinder body 25, a discharge check valve 31 is arranged on the discharge tube 30, and the other end of the discharge tube 30 is respectively connected to the two nozzles 7.

[0028] The working principle and beneficial technical effects of the above technical solution are as follows: the sliding column 23 drives the moving rod 22 to move back and forth up and down and stop at the bottom limit position, thereby driving the piston 26 to move back and forth up and down in the cylinder body 25 and stop at the bottom of the cylinder body 25, so that the cleaning liquid is input from the infusion pipe 28 and intermittently sprayed through the two nozzles 7 to improve the efficiency of the two crushing pieces 6 scraping the filter screen for cleaning, and also save the cleaning liquid and reduce the waste of the cleaning liquid.

[0029] In one embodiment, Figure 2 As shown, a slag discharge port 32 is provided on the slurry inlet pipe 3 below the filter screen 5, and a slag storage tank 33 is threadedly connected to the slag discharge port 32. The particles that cannot pass through the filter screen after being crushed will fall into the slag storage tank 33 through the slag discharge port 32 for storage for centralized treatment. A maintenance port 34 is provided on the side wall of the housing 10, and a cover plate 35 is provided on the maintenance port 34. One end of the cover plate 35 is hinged to the housing 10, and the other end of the cover plate 35 is connected to the housing 10 by screws, so that the cover plate 35 can be opened to repair the components in the housing 10.

[0030] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A mud delivery pump with anti-blocking function, characterized in that: include: A pump body (1) is provided, wherein the pump body (1) is connected to a one-way valve (2), a slurry inlet of the one-way valve (2) is connected to one end of a slurry inlet pipe (3), a slurry outlet of the one-way valve (2) is connected to one end of a slurry outlet pipe (4), a filter screen (5) is provided in the slurry inlet pipe (3), two crushing plates (6) are provided on the side of the filter screen (5), nozzles (7) are provided on both sides of the crushing plates (6), the nozzles (7) are connected to the inner wall of the slurry inlet pipe (3), a crushing plate driving assembly and a cleaning liquid conveying device are provided on the slurry inlet pipe (3), the crushing plate driving assembly and the cleaning liquid conveying device are connected, the crushing plate driving assembly drives the crushing plates (6) to reciprocate up and down and stop at the bottom, at the same time, the two crushing plates (6) swing towards each other and then swing away from each other, the crushing plate driving assembly also drives the cleaning liquid conveying device to move at the same time, and the cleaning liquid conveying device intermittently conveys cleaning liquid to the nozzles (7).

2. A mud delivery pump with anti-blocking function according to claim 1, characterized in that: The pump body (1) comprises a hydraulic cylinder (101), a piston rod (102) of the hydraulic cylinder (101) extending into a mud cylinder (103) and connected to a mud plug (104), first connecting pipes (105) being respectively arranged on both sides of the mud plug (104) on the hydraulic cylinder (101), one end of the first connecting pipe (105) being in communication with the mud cylinder (103), the other end of the first connecting pipe (105) being connected to a first flange (106), a second connecting pipe (107) being arranged on a side wall of the one-way valve (2), a second flange (108) being arranged at one end of the second connecting pipe (107) away from the one-way valve (2), and the first flange (106) and the second flange (108) being connected by bolts.

3. A mud delivery pump with anti-blocking function according to claim 2, characterized in that: A support (109) is provided at the bottom end of the mud cylinder (103).

4. A mud delivery pump with anti-blocking function according to claim 1, characterized in that: A first flange (8) is provided at one end of the pulp inlet pipe (3) away from the one-way valve (2), and a second flange (9) is provided at one end of the pulp outlet pipe (4) away from the one-way valve (2).

5. The mud delivery pump with anti-blocking function according to claim 1, characterized in that: The crushing piece driving assembly comprises: a housing (10), a housing (10) being arranged at the top of a pulp inlet pipe (3), a motor (11) being arranged on the inner wall of the housing (10), an output shaft (12) of the motor (11) being coaxially connected to one end of a rotating shaft (13), a rotating disk (14) being coaxially arranged on the rotating shaft (13), an annular chute (15) being arranged on the end surface of the rotating disk (14), the annular chute (15) being composed of a circular arc chute (151) and two eyebrow-shaped chute (152) being connected end to end, the other end of the rotating shaft (13) being connected to a cam (16), rockers (17) being arranged on both sides of the cam (16), one end of the rocker (17) being in contact with the circumferential outer wall of the cam (16), and the other end of the rocker (17) being in contact with one end of a crushing piece (6), and a The outer casing (10) has an opening (18), and the other end of the crushing piece (6) extends through the opening (18) into the pulp inlet pipe (3). The two rocking arms (17) are connected by a spring (19). The two crushing pieces (6) are hinged on the slider (20) near the rocking arm (17). The slider (20) is slidably connected to the slide rail (21). The slide rail (21) is connected to the inner wall of the housing (10). The slider (20) reciprocates up and down along the slide rail (21). The lower end of the moving rod (22) is connected to the upper end of the slider (20). The moving rod (22) is connected to one end of the slide column (23). The other end of the slide column (23) is slidably connected to the annular slide groove (15). A vertical guide groove (24) is provided on the moving rod (22) above the slide column (23). The rotating shaft (13) passes through the guide groove (24).

6. A mud delivery pump with anti-blocking function according to claim 5, characterized in that: The cleaning liquid delivery device comprises: a cylinder body (25), the cylinder body (25) being located above the rotating disk (14), the cylinder body (25) being connected to the inner wall of the housing (10), a piston (26) being arranged in the cylinder body (25) for reciprocating movement up and down, the upper end of the moving rod (22) being connected to the piston (26), a liquid storage tank (27) being arranged on one side of the cylinder body (25), one end of a liquid infusion pipe (28) being connected to the liquid storage tank (27), the other end of the liquid infusion pipe (28) being connected to the upper end of the cylinder body (25), a liquid infusion check valve (29) being arranged on the liquid infusion pipe (28), one end of a liquid discharge pipe (30) being connected to the upper end of the cylinder body (25), a liquid discharge check valve (31) being arranged on the liquid discharge pipe (30), and the other end of the liquid discharge pipe (30) being connected to two nozzles (7) respectively.

7. A mud delivery pump with anti-blocking function according to claim 1, characterized in that: A slag discharge port (32) is provided on the slurry inlet pipe (3) below the filter screen (5), and a slag storage tank (33) is threadedly connected to the slag discharge port (32).

8. The slurry delivery pump with anti-blocking function according to claim 5, characterized in that: A maintenance opening (34) is provided on the side wall of the housing (10), and a cover plate (35) is provided on the maintenance opening (34); one end of the cover plate (35) is hinged to the housing (10), and the other end of the cover plate (35) is connected to the housing (10) by means of screws.

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