Anti-blocking device for dewatered sludge pump

Abstract

The anti-blocking device comprises a sludge pump body, the bottom of the sludge pump body is fixedly connected with a base, a through hole is formed in one side of the base in a penetrating mode, the bottom of the through hole is rotationally connected with a rotating shaft, the peripheral side of the rotating shaft is fixedly connected with a plurality of crushing cutters, and the two sides of the through hole are fixedly connected with a water inlet pipe and a water outlet pipe. The inner walls of the water inlet pipe and the water outlet pipe are rotationally connected with two rotating pipes. The through hole, the water inlet pipe and the water outlet pipe are dredged in multiple modes, the anti-blocking effect is good, the spiral blades are installed in the water inlet pipe and the water outlet pipe, when the flow of muddy water is large, the spiral blades are matched with components to help to accelerate flowing of the muddy water, and blocking is avoided; when the sludge pump body works, the internal crushing cutter can crush large impurities to ensure normal flowing of muddy water, and when the internal air pressure of the through hole, the water inlet pipe and the water drainage pipe is smaller than the external atmospheric pressure, the exhaust pipe is matched with components to ensure that the internal air pressure is balanced, and blockage is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of sludge pumps, in particular to an anti-blocking device for a dewatered sludge pump. Background Art

[0002] Sludge pump is a conveying machine used to discharge sludge with high viscosity concentration. Sludge pump is generally used to convey sludge before dehydration and papermaking sludge. For sludge dehydrated by filter press, rotor pump is generally used for conveying. Sludge pump has the risk of clogging during use, so it is necessary to install sludge pump anti-clogging device.

[0003] In this regard, a Chinese utility model with authorization announcement number CN214036224U discloses a sludge pump anti-blocking and flushing device, which includes a sludge pump body, a chassis installed on the bottom end surface of the sludge pump body, a waterproof plug fixedly installed on the upper end surface of the chassis, a mounting groove provided on the upper end surface of the waterproof plug, an electric push rod fixedly installed on the inner bottom end surface of the mounting groove, a motor fixedly installed on the output end of the electric push rod, a waterproof cover fixedly installed on the port of the mounting groove, a rotating shaft provided above the waterproof cover, a plurality of cutting blades fixedly installed on the outer side wall of the rotating shaft, a filter screen installed inside the sludge pump body, and a water inlet pipe connected to the bottom of the left outer wall of the sludge pump body.

[0004] The sludge pump anti-blocking flushing device achieves the effect of completely crushing large particles and impurities and avoiding the accumulation of large particles and impurities through the rotation of multiple cutting blades. However, the sludge pump anti-blocking flushing device only prevents the sludge pump from being blocked in one way, and the anti-blocking effect is poor. There is no structure to accelerate the flow of muddy water installed in the pipeline. When the muddy water flow rate is large, the muddy water flows slowly and easily causes blockage. For this reason, we propose a dewatered sludge pump anti-blocking device to solve the above problem. Utility Model Content

[0005] The utility model aims to provide a dewatered sludge pump anti-blocking device to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a dewatered sludge pump anti-blocking device, comprising a sludge pump body, the bottom of the sludge pump body is fixedly connected to a base, one side of the base is provided with a through hole, the bottom of the through hole is rotatably connected to a rotating shaft, the circumference of the rotating shaft is fixedly connected to a plurality of crushing knives, and the two sides of the through hole are fixedly connected to an inlet pipe and a drain pipe; the inner walls of the water inlet pipe and the drain pipe are rotatably connected to two rotating tubes, the inner walls of the two rotating tubes are fixedly connected to two spiral leaves, an exhaust hole is provided at the top of one side of the drain pipe, and the exhaust hole is fixedly connected to an exhaust pipe.

[0007] Preferably, the bottom of the inner wall of the exhaust pipe is fixedly connected to a filter screen, the top of the inner wall of the exhaust pipe is fixedly connected to a fan, and the exhaust pipe is rotatably connected to a sealing cover.

[0008] Preferably, the bottom end of the rotating shaft is fixedly connected to the rotating shaft of the motor, and the motor is fixedly connected to the bottom of the base.

[0009] Preferably, a bevel gear 1 is fixedly sleeved on the circumferential side of the bottom of the rotating shaft, the bevel gear 1 is meshedly connected to two bevel gears 2, and the two bevel gears 2 are fixedly connected to one end of two rotating rods.

[0010] Preferably, the two rotating rods are fixedly connected to two gears at one end away from each other, the two gears are meshedly connected to two gear rings, the two gear rings are fixedly sleeved on two rotating tubes, the two gear rings are rotatably connected to two gear ring grooves, and the two gear ring grooves are opened on the inner walls of the water inlet pipe and the drain pipe.

[0011] Preferably, two fixed blocks are fixedly connected on both sides of the base, the top surfaces of the two fixed blocks are fixedly connected to the bottom of the outer wall of the water inlet pipe and the drain pipe, a square cavity is opened at the bottom of the base, two gear grooves are opened inside the two fixed blocks, the bevel gear 1 and the bevel gear 2 are located inside the square cavity, the two gears are located inside the two gear grooves, and the two gear grooves are connected to the two gear ring grooves.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The utility model uses a variety of methods to dredge the through hole, the water inlet pipe and the drain pipe, and has a good anti-blocking effect. The water inlet pipe and the drain pipe are equipped with spiral blades. When the muddy water flow is large, the cooperation of the spiral blades and the components can help speed up the flow of muddy water and avoid blockage.

[0014] When the sludge pump body of the utility model is working, the internal crushing knife can crush large impurities to ensure the normal flow of mud and water. When the internal air pressure of the through hole, the water inlet pipe and the drain pipe is lower than the external atmospheric pressure, the cooperation between the exhaust pipe and the components can ensure the internal air pressure balance to avoid blockage. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 It is a cross-sectional schematic diagram of the utility model;

[0017] Figure 3 For this utility model Figure 2 Enlarged schematic diagram at point A in the middle.

[0018] In the figure: 1. sludge pump body; 2. base; 3. through hole; 4. rotating shaft; 5. crushing knife; 6. water inlet pipe; 7. drain pipe; 8. gear ring groove; 9. gear ring; 10. rotating pipe; 11. spiral blade; 12. exhaust hole; 13. exhaust pipe; 14. fan; 15. sealing cover; 16. motor; 17. bevel gear one; 18. bevel gear two; 19. rotating rod; 20. gear; 21. square cavity; 22. gear groove; 23. fixing block; 24. filter screen. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] Example 1

[0021] Reference Figure 2 , which is the first embodiment of the utility model, and provides a dewatered sludge pump anti-blocking device, including a sludge pump body 1, the bottom of the sludge pump body 1 is fixedly connected to a base 2, one side of the base 2 is provided with a through hole 3, the bottom of the through hole 3 is rotatably connected to a rotating shaft 4, a plurality of crushing knives 5 are fixedly connected to the peripheral side of the rotating shaft 4, and both sides of the through hole 3 are fixedly connected to a water inlet pipe 6 and a drain pipe 7; the inner walls of the water inlet pipe 6 and the drain pipe 7 are rotatably connected to two rotating tubes 10, the inner walls of the two rotating tubes 10 are fixedly connected to two spiral leaves 11, an exhaust hole 12 is provided on the top of one side of the drain pipe 7, and the exhaust hole 12 is fixedly connected to an exhaust pipe 13. When the sludge pump body 1 is in use, the sludge pump body 1 sucks muddy water from the water inlet pipe 6, and the muddy water enters the through hole 3. After the inside is filled, the rotating shaft 4 is rotated, and the rotation of the rotating shaft 4 drives the crushing knife 5 to rotate. The crushing knife 5 rotates to crush the large impurities in the mud and water in the through hole 3 to prevent the impurities from clogging the through hole 3, the water inlet pipe 6 and the drain pipe 7. While the rotating shaft 4 rotates, the rotating tube 10 rotates, and the rotation of the rotating tube 10 drives the spiral blades 11 to rotate. The spiral blades 11 transport the mud and water from the water inlet pipe 6 to the drain pipe 7. The spiral directions of the spiral blades 11 on both sides are opposite. The cooperation of the spiral blades 11 and the components can speed up the flow of mud and water to prevent the mud and water from clogging the water inlet pipe 6 and the drain pipe 7. When the air pressure in the through hole 3, the water inlet pipe 6 and the drain pipe 7 is lower than the external atmospheric pressure, the exhaust pipe 13 is opened to balance the internal air pressure to avoid blockage.

[0022] Example 2

[0023] Reference Figure 2The bottom of the inner wall of the exhaust pipe 13 is fixedly connected to the filter 24, the top of the inner wall of the exhaust pipe 13 is fixedly connected to the fan 14, the exhaust pipe 13 is rotatably connected to the sealing cover 15, the filter 24 helps to filter impurities to avoid affecting the normal operation of the fan 14, the sealing cover 15 helps to open and close the exhaust pipe, and the fan 14 can help accelerate the internal gas circulation.

[0024] Reference Figure 2-3 The bottom end of the rotating shaft 4 is fixedly connected to the rotating shaft of the motor 16, and the motor 16 is fixedly connected to the bottom of the base 2. When the motor 16 is turned on, the motor 16 rotates to drive the rotating shaft 4 to rotate.

[0025] Reference Figure 2-3 The bottom circumference of the rotating shaft 4 is fixedly sleeved with a bevel gear 17, and the bevel gear 17 is meshed and connected with two bevel gears 18. The two bevel gears 18 are fixedly connected to one end of two rotating rods 19. The rotation of the rotating shaft 4 drives the bevel gear 17 to rotate, the rotation of the bevel gear 17 drives the bevel gear 2 18 to rotate, and the rotation of the bevel gear 2 18 drives the rotating rod 19 to rotate.

[0026] Reference Figure 2 The two rotating rods 19 are fixedly connected to two gears 20 at one end away from each other, the two gears 20 are meshed and connected to two gear rings 9, the two gear rings 9 are fixedly sleeved with two rotating tubes 10, the two gear rings 9 are rotatably connected to two gear ring grooves 8, and the two gear ring grooves 8 are opened on the inner walls of the water inlet pipe 6 and the drain pipe 7. The rotation of the rotating rod 19 drives the gear 20 to rotate, the rotation of the gear 20 drives the gear ring 9 to rotate, the gear ring 9 rotates in the gear ring groove 8, and the rotation of the gear ring 9 drives the rotating tube 10 to rotate.

[0027] Reference Figure 2-3 Two fixing blocks 23 are fixedly connected on both sides of the base 2, and the top surfaces of the two fixing blocks 23 are fixedly connected to the bottom of the outer wall of the water inlet pipe 6 and the drain pipe 7. A square cavity 21 is provided at the bottom of the base 2, and two gear grooves 22 are provided inside the two fixing blocks 23. The bevel gear 17 and the bevel gear 2 18 are located inside the square cavity 21. The square cavity 21 helps the bevel gear 1 17 and the bevel gear 2 18 to work normally. The two gears 20 are located inside the two gear grooves 22. The gear grooves 22 help the gears 20 to work normally, and the two gear grooves 22 are connected to the two gear ring grooves 8.

[0028] Example 3

[0029] Reference Figure 1-3, which is the third embodiment of the utility model. This embodiment is based on the above two embodiments. When the sludge pump body 1 is used, the sludge pump body 1 sucks muddy water from the water inlet pipe 6. After the muddy water enters the through hole 3, the motor 16 is turned on. The motor 16 rotates to drive the rotating shaft 4 to rotate. The rotating shaft 4 rotates to drive the crushing knife 5 to rotate. The crushing knife 5 rotates to crush large impurities in the muddy water in the through hole 3 to prevent the impurities from blocking the through hole 3, the water inlet pipe 6 and the drain pipe 7. The rotating shaft 4 rotates while driving the bevel gear 17 to rotate. The rotation of the bevel gear 17 drives the bevel gear 2 18 to rotate. The rotation of the bevel gear 2 18 drives the rotating rod 19 to rotate. The rotation of the rotating rod 19 drives the gear 20 to rotate. The rotation of the gear 20 drives the gear ring 9 to rotate. The gear ring 9 rotates in the gear ring groove 8. The rotation of the gear ring 9 drives the rotating pipe 10 to rotate. The rotation of the rotating pipe 10 drives the spiral blade 11 to rotate. The spiral blade 11 transports the muddy water from the water inlet pipe 6 to the drain pipe 7. The spiral blades 11 on both sides are spirally rotated. On the contrary, the cooperation between the spiral blades 11 and the components can speed up the flow of muddy water and prevent the muddy water from clogging the water inlet pipe 6 and the drain pipe 7. When the air pressure in the through hole 3, the water inlet pipe 6 and the drain pipe 7 is lower than the external atmospheric pressure, the sealing cover 15 and the fan 14 are opened. The fan 14 can help accelerate the internal gas circulation, balance the internal air pressure and avoid blockage. The utility model uses a variety of methods to dredge the through hole 3, the water inlet pipe 6 and the drain pipe 7, and the anti-blocking effect is good. The spiral blades 11 are installed in the water inlet pipe 6 and the drain pipe 7. When the muddy water flow rate is large, the cooperation between the spiral blades 11 and the components can help speed up the flow of muddy water and avoid blockage. When the sludge pump body 1 of the utility model is working, the internal crushing knife 5 can crush large impurities to ensure the normal flow of muddy water. When the internal air pressure of the through hole 3, the water inlet pipe 6 and the drain pipe 7 is lower than the external atmospheric pressure, the cooperation between the exhaust pipe 13 and the components can ensure the internal air pressure balance and avoid blockage.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A dewatered sludge pump anti-clogging device, comprising a sludge pump body (1), characterized in that: The bottom of the sludge pump body (1) is fixedly connected to a base (2); a through hole (3) is formed through one side of the base (2); the bottom of the through hole (3) is rotatably connected to a rotating shaft (4); a plurality of crushing knives (5) are fixedly connected to the circumference of the rotating shaft (4); and both sides of the through hole (3) are fixedly connected to a water inlet pipe (6) and a drain pipe (7); The inner walls of the water inlet pipe (6) and the drainage pipe (7) are rotatably connected to two rotating pipes (10), and the inner walls of the two rotating pipes (10) are fixedly connected to two spiral blades (11). An exhaust hole (12) is provided at the top of one side of the drainage pipe (7), and the exhaust hole (12) is fixedly connected to an exhaust pipe (13).

2. A dewatered sludge pump anti-clogging device according to claim 1, characterized in that: The bottom of the inner wall of the exhaust pipe (13) is fixedly connected to a filter screen (24), the top of the inner wall of the exhaust pipe (13) is fixedly connected to a fan (14), and the exhaust pipe (13) is rotatably connected to a sealing cover (15).

3. The anti-clogging device for a dewatered sludge pump according to claim 1, characterized in that: The bottom end of the rotating shaft (4) is fixedly connected to the rotating shaft of the motor (16), and the motor (16) is fixedly connected to the bottom of the base (2).

4. The anti-clogging device for a dewatered sludge pump according to claim 1, characterized in that: The bottom circumference of the rotating shaft (4) is fixedly sleeved with a bevel gear one (17), the bevel gear one (17) is meshedly connected to two bevel gear twos (18), and the two bevel gear twos (18) are fixedly connected to one end of two rotating rods (19).

5. A dewatered sludge pump anti-clogging device according to claim 4, characterized in that: The two rotating rods (19) are fixedly connected to two gears (20) at one end away from each other, the two gears (20) are meshedly connected to two gear rings (9), the two gear rings (9) are fixedly sleeved to two rotating tubes (10), the two gear rings (9) are rotatably connected to two gear ring grooves (8), and the two gear ring grooves (8) are arranged on the inner walls of the water inlet pipe (6) and the drain pipe (7).

6. A dewatered sludge pump anti-clogging device according to claim 5, characterized in that: Two fixing blocks (23) are fixedly connected to both sides of the base (2); the top surfaces of the two fixing blocks (23) are fixedly connected to the bottom of the outer walls of the water inlet pipe (6) and the drain pipe (7); a square cavity (21) is provided at the bottom of the base (2); two gear grooves (22) are provided inside the two fixing blocks (23); the bevel gear 1 (17) and the bevel gear 2 (18) are located inside the square cavity (21); the two gears (20) are located inside the two gear grooves (22); and the two gear grooves (22) are communicated with the two gear ring grooves (8).

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