Anti-blocking filtering device of slurry pump

Abstract

The utility model discloses an anti-blocking filtering device of a slurry pump, and relates to the technical field of filtering devices of slurry pumps, the filtering device comprises a feeding frame, the upper end and the lower end of the feeding frame are respectively communicated with a flange connecting pipe and a feeding port, and outer seat plates are welded on the outer walls of the two sides of the feeding frame; the pushing rotating paddle is arranged in the feeding frame, and a driving motor is arranged on the outer wall of one side of the feeding frame; the connecting insertion pipe is arranged at one end of the feeding port, the connecting insertion pipe and the feeding port are in sealed connection through threads, a feeding hopper is arranged at one end of the connecting insertion pipe in a communicating mode, and a limiting installation groove is formed in the center of the interior of the feeding hopper; the slurry pump filtering device solves the problems that an existing slurry pump filtering device only filters fed materials through an arranged filter screen structure, but filtered slurry is still unsmooth in the feeding process, a filtering structure in the device is inconvenient to disassemble and clean, and dredging is inconvenient.

Description

Technical Field

[0001] The utility model relates to the technical field of slurry pump filtering devices, in particular to a slurry pump anti-clogging filtering device. Background Art

[0002] Slurry pump is a general fluid machinery, mainly used in mining, power plants, dredging, metallurgy, chemical industry, building materials and petroleum industries. Slurry pump needs to filter the slurry during feeding and transportation.

[0003] For example, the announcement number is: CN217999982U (named as a filtering device for preventing slurry pump from being blocked), comprising a slurry pump body, a feed port is arranged at the right end of the slurry pump body, an anti-blocking device is arranged at the right end of the feed port, a sealing gasket is attached to the left end of the anti-blocking device, a filter plate is clamped inside the anti-blocking device, a sliding groove is arranged inside the inner wall of the upper end of the anti-blocking device, a spring is slidably connected inside the sliding groove, a sliding plate is slidably connected inside the sliding groove, a sliding rod is fixedly connected to the left end of the sliding plate, a pressure block is fixedly connected to the upper end of the filter plate, a feed chute is arranged inside the lower end of the anti-blocking device, and the anti-blocking device is fixedly connected to the filter plate. A cylinder is arranged inside the inner wall of the lower end of the blocking device, a cylinder rod is arranged at the left end of the cylinder, a sealing plate is fixedly connected to the left end of the cylinder rod, a clamping block is fixedly connected to the left end of the sealing plate, a clamping groove is arranged at the lower end of the filter plate, and the clamping block is clamped with the clamping groove. The filtering device for preventing the slurry pump from being blocked is provided with an anti-blocking device at the right end of the feed inlet of the slurry pump body, and a filter plate is arranged inside the anti-blocking device, which can block some large particles of impurities and prevent them from entering the slurry pump body and causing blockage of the slurry pump body. At the same time, the filter plate provided with the anti-blocking device can be disassembled, which is convenient for replacing the blocked and damaged filter plate. The anti-blocking device is also provided with a discharge chute, which can clean the impurities blocked by the filter plate to prevent the anti-blocking device from being blocked. The operation is simple and easy to use.

[0004] The above-mentioned slurry pump filter device only filters the feed through the set filter mesh structure, but the filtered slurry will still be blocked during the feeding process, and the filter structure in the device is inconvenient to disassemble and clean, resulting in inconvenient unblocking. For this reason, we provide a slurry pump anti-clogging filter device. Utility Model Content

[0005] The purpose of the utility model is to provide an anti-clogging filter device for a slurry pump to solve the problem that the existing slurry pump filter device proposed in the above background technology only filters the feed through a set filter mesh structure, but the filtered slurry still has poor flow during the feeding process, and the filter structure in the device is inconvenient to disassemble and clean, resulting in inconvenient unclogging.

[0006] To achieve the above purpose, the utility model provides the following technical solutions: a slurry pump anti-clogging filtering device, comprising a feeding frame, the upper end and the lower end of the feeding frame are respectively connected with a flange pipe and a feeding port, and the outer walls of both sides of the feeding frame are welded with an outer seat plate;

[0007] Also includes:

[0008] A push-rotating paddle is arranged inside the feeding frame, and a driving motor is arranged on an outer wall of one side of the feeding frame;

[0009] A connecting cannula is arranged at one end of the feed port, the connecting cannula is connected to the feed port through a threaded seal, and one end of the connecting cannula is connected to a feed hopper, a limiting groove is arranged at the inner center of the feed hopper, and a filling end plate is installed inside the limiting groove;

[0010] The plug-in filter cartridge is plugged and installed inside the connecting plug pipe. The plug-in filter cartridge and the filling end plate are an integrated structure, and a slurry filter screen is integrally formed inside the plug-in filter cartridge.

[0011] Preferably, a sleeve rod and a threaded sleeve are welded to the bottom of the two outer seat plates, a movable cavity is arranged inside the sleeve rod, an inner connecting rod is penetrated inside the movable cavity, and a threaded support rod is movably arranged inside the threaded sleeve.

[0012] Preferably, the bottoms of the inner connecting rod and the threaded support rod are both provided with mounting end plates, and the two mounting end plates are respectively integrated with the inner connecting rod and the threaded support rod.

[0013] Preferably, a connecting rod hole is provided at the connecting position between the inner connecting rod and the movable cavity, and the connecting rod hole is connected to the interior of the movable cavity.

[0014] Preferably, a limiting end cap is integrally formed at one end of the inner connecting rod, and the end face size of the limiting end cap is larger than the end face size of the inner connecting rod.

[0015] Preferably, the output shaft of the driving motor passes through the feeding frame and is welded to the center position of the pushing rotor.

[0016] Preferably, the size of the filling end plate is larger than the caliber of the connecting cannula.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] 1. The slurry of the utility model is added through the feed hopper, and after being filtered by the slurry filter screen inside the plug-in filter cartridge, the slurry enters the interior of the feeding frame, and the driving motor is driven synchronously with the motor of the slurry pump, and the driving motor drives the push rotor to rotate, thereby pushing the slurry, improving the smoothness of the slurry feeding and avoiding blockage during the slurry feeding process. The plug-in filter cartridge is a detachable plug-in structure, which is easy to remove and clean, further preventing blockage during the slurry feeding, and overcoming the problem that the existing slurry pump filtering device only filters the feed through the set filter screen structure, but the filtered slurry will still be blocked during the feeding process, and the filtering structure in the device is inconvenient to disassemble and clean, resulting in inconvenient unblocking.

[0019] 2. By sealingly connecting the flange pipe with the feed port of the slurry pump, and then rotating the threaded support rod to extend the threaded support rod, the mounting end plate is grounded and connected, and the inner connecting rod is stretched along the movable cavity to a length corresponding to the threaded support rod, thereby achieving the purpose of erecting the feeding frame and improving the stability of the anti-clogging filter device. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a front view of the structure of the anti-clogging filter device for a slurry pump of the utility model;

[0021] Figure 2 This is a schematic diagram of the internal structure of the anti-clogging filter device for a slurry pump of the utility model;

[0022] Figure 3 It is a top view of the structure of the anti-clogging filter device for a slurry pump of the utility model;

[0023] Figure 4 It is a schematic diagram of the connection structure between the sleeve rod and the inner connecting rod of the utility model;

[0024] In the figure: 1. Feeding frame; 2. Driving motor; 3. Flange pipe; 4. Outer seat plate; 5. Sleeve rod; 6. Inner connecting rod; 7. Threaded sleeve; 8. Threaded support rod; 9. Mounting end plate; 10. Feeding port; 11. Connecting plug pipe; 12. Feeding hopper; 13. Filling end plate; 14. Insert filter cartridge; 15. Pushing paddle; 16. Limiting slot; 17. Slurry filter; 18. Movable cavity; 19. Connecting rod hole; 20. Limiting end. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0026] See also Figure 1-4The utility model provides an embodiment: a slurry pump anti-clogging filtering device, comprising a feeding frame 1, the upper end and the lower end of the feeding frame 1 are respectively connected with a flange pipe 3 and a feed port 10, and the outer walls of both sides of the feeding frame 1 are welded with an outer seat plate 4;

[0027] Also includes:

[0028] A push-rotating paddle 15 is arranged inside the feeding frame 1, and a driving motor 2 is arranged on an outer wall of one side of the feeding frame 1;

[0029] A connecting insert 11 is arranged at one end of the feed port 10, the connecting insert 11 is connected to the feed port 10 by threaded sealing, and one end of the connecting insert 11 is connected to a feed hopper 12, a limiting groove 16 is arranged at the inner center of the feed hopper 12, and a filling end plate 13 is installed inside the limiting groove 16;

[0030] The plug-in filter cartridge 14 is plugged and installed inside the connecting plug tube 11 . The plug-in filter cartridge 14 and the filling end plate 13 are an integrated structure, and a slurry filter screen 17 is integrally formed inside the plug-in filter cartridge 14 .

[0031] When in use, the slurry is added through the feed hopper, and after being filtered by the slurry filter screen inside the plug-in filter cartridge, the slurry enters the interior of the feeding frame. The driving motor and the motor of the slurry pump are driven synchronously, and the driving motor drives the push paddle to rotate, thereby pushing the slurry, improving the smoothness of the slurry feeding and avoiding blockage during the slurry feeding process. The plug-in filter cartridge is a detachable plug-in structure, which is easy to remove and clean, further preventing blockage during the slurry feeding.

[0032] See also Figure 4 The bottom of the two outer seat plates 4 are welded with a sleeve rod 5 and a threaded sleeve 7, a movable cavity 18 is arranged inside the sleeve rod 5, an inner connecting rod 6 is arranged inside the movable cavity 18, a threaded support rod 8 is movably arranged inside the threaded sleeve 7, and the sleeve rod 5 and the threaded sleeve 7 welded at the bottom of the two outer seat plates 4 play the role of supporting the two outer seat plates 4.

[0033] See also Figure 4 The bottom of the inner connecting rod 6 and the threaded support rod 8 are both provided with mounting end plates 9, and the two mounting end plates 9 are respectively integrated with the inner connecting rod 6 and the threaded support rod 8. The mounting end plates 9 provided at the bottom of the inner connecting rod 6 and the threaded support rod 8 serve to facilitate the grounding installation of the filtering device.

[0034] See also Figure 4A connecting rod hole 19 is provided at the connecting position between the inner connecting rod 6 and the movable cavity 18. The connecting rod hole 19 is connected to the interior of the movable cavity 18. The connecting rod hole 19 provided at the connecting position between the inner connecting rod 6 and the movable cavity 18 serves to facilitate the connecting movement of the inner connecting rod 6.

[0035] See also Figure 4 A limit end 20 is integrally formed at one end of the inner connecting rod 6 , and the end surface size of the limit end 20 is larger than the end surface size of the inner connecting rod 6 . The limit end 20 integrally formed at one end of the inner connecting rod 6 prevents the inner connecting rod 6 from escaping from the movable cavity 18 .

[0036] See also Figure 1 and Figure 2 The output shaft of the driving motor 2 passes through the feeding frame 1 and is welded to the center position of the pushing paddle 15 .

[0037] See also Figure 2 The size of the filling end plate 13 is larger than the diameter of the connecting pipe 11.

[0038] Working principle: when in use, the flange pipe 3 is sealed and connected to the feed port of the slurry pump, and then the threaded support rod 8 is rotated to extend the threaded support rod 8, so that the mounting end plate 9 is grounded and connected, and the inner connecting rod 6 is stretched along the movable cavity 18 to a length corresponding to the threaded support rod 8, thereby achieving the purpose of erecting the feeding frame 1 and improving the stability of the anti-clogging filtering device. The slurry is added through the feed hopper 12, and after being filtered by the slurry filter screen 17 inside the plug-in filter cartridge 14, the slurry enters the interior of the feeding frame 1, and the driving motor 2 is driven synchronously with the motor of the slurry pump, and the driving motor 2 drives the push-paddle 15 to rotate, thereby pushing the slurry, improving the smoothness of the slurry feeding, and avoiding blockage during the slurry feeding process. The plug-in filter cartridge 14 is a detachable plug-in structure, which is easy to remove and clean, further preventing blockage during the slurry feeding, and completing the use of the anti-clogging filtering device for the slurry pump.

[0039] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A slurry pump anti-clogging filtering device, comprising a feeding frame (1), wherein the upper end and the lower end of the feeding frame (1) are respectively connected with a flange pipe (3) and a feeding port (10), and outer seat plates (4) are welded on both side outer walls of the feeding frame (1); Features: Also includes: A push-rotating paddle (15) is arranged inside the feeding frame (1), and a driving motor (2) is arranged on an outer wall of one side of the feeding frame (1); A connecting insert (11) is arranged at one end of the feed port (10), the connecting insert (11) is connected to the feed port (10) by threaded sealing, and one end of the connecting insert (11) is connected to a feed hopper (12), a limiting groove (16) is arranged at the inner center of the feed hopper (12), and a filling end plate (13) is installed inside the limiting groove (16); The plug-in filter cartridge (14) is plugged and installed inside the connecting plug tube (11); the plug-in filter cartridge (14) and the filling end plate (13) are an integrated structure, and a slurry filter screen (17) is integrally formed inside the plug-in filter cartridge (14).

2. A slurry pump anti-clogging filter device according to claim 1, characterized in that: The bottoms of the two outer seat plates (4) are both welded with a sleeve rod (5) and a threaded sleeve (7), a movable cavity (18) is arranged inside the sleeve rod (5), an inner connecting rod (6) is arranged inside the movable cavity (18), and a threaded support rod (8) is movably arranged inside the threaded sleeve (7).

3. A slurry pump anti-clogging filter device according to claim 2, characterized in that: The bottoms of the inner connecting rod (6) and the threaded support rod (8) are both provided with mounting end plates (9), and the two mounting end plates (9) are respectively integrated with the inner connecting rod (6) and the threaded support rod (8) to form an integral structure.

4. The anti-clogging filter device for a slurry pump according to claim 2, characterized in that: A connecting rod hole (19) is provided at the connecting position between the inner connecting rod (6) and the movable cavity (18), and the connecting rod hole (19) is connected to the inside of the movable cavity (18).

5. The anti-clogging filter device for a slurry pump according to claim 2, characterized in that: One end of the inner connecting rod (6) is integrally formed with a limiting end head (20), and the end surface dimension of the limiting end head (20) is larger than the end surface dimension of the inner connecting rod (6).

6. The anti-clogging filter device for a slurry pump according to claim 1, characterized in that: The output shaft of the driving motor (2) passes through the feeding frame (1) and is welded to the center of the pushing rotor (15).

7. The anti-clogging filter device for a slurry pump according to claim 1, characterized in that: The size of the filling end plate (13) is larger than the caliber of the connecting cannula (11).

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