Slurry circulating pump

Abstract

The utility model discloses a slurry circulating pump relates to slurry circulating pump technical field, including base, pump casing and mounting box, the pump casing is rotatablely connected with the drive shaft in the sleeve, the drive shaft is located in the pump casing one end outer wall fixed sleeve is connected with the impeller, the both sides of pump casing upper end are respectively fixed connection with output pipe and filter pipe, the output pipe is connected with the filter pipe. A support is fixedly connected into the filter pipe in a sleeved mode, a filter plate is fixedly connected to the upper end of the support, an adjusting shaft is rotationally connected into the filter plate in a sleeved mode, a mounting frame is fixedly connected to the outer wall of the adjusting shaft in a sleeved mode, and a cleaning rod is fixedly connected to the outer wall of the mounting frame. And the cleaning rod rotates in the annular filtering hole to clean the filtering plate, the self-cleaning effect of the filtering plate is achieved, the problems that when a filtering net in a traditional slurry circulating pump is blocked, the filtering net needs to be detached for cleaning, and cleaning is not convenient enough are solved, and the slurry circulating pump has practicability.

Description

Technical Field

[0001] The utility model relates to the technical field of slurry circulation pumps, in particular to a slurry circulation pump. Background Art

[0002] The slurry circulation pump is one of the most important equipment in the desulfurization system of a thermal power plant. It is mainly used to continuously circulate the slurry in the absorption tower so that the sulfur dioxide in the flue gas can be completely absorbed. When using the slurry circulation pump, a pre-filter device is required to prevent impurities from entering the slurry circulation pump, which will cause the gap between the impeller and the pump body to be reduced, so as to avoid increased impeller wear and extend the service life of the slurry circulation pump.

[0003] At present, in order to prevent rubber lining fragments and other impurities from entering the circulating pump, damaging the impeller and clogging the nozzle of the spray layer, a filter is generally installed at the inlet of the circulating pump. However, the mesh of the filter will be clogged after long-term use. At this time, the filter needs to be removed for cleaning, which is very troublesome and inconvenient. Based on this, we propose an improved slurry circulating pump. Utility Model Content

[0004] The main purpose of the utility model is to provide a slurry circulation pump, which can effectively solve the technical problems in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A slurry circulation pump comprises a base, a pump housing and a mounting box, wherein a drive shaft is rotatably sleeved on the pump housing, an impeller is fixedly sleeved on the outer wall of one end of the drive shaft located inside the pump housing, an output pipe and a filter pipe are fixedly connected to both sides of the upper end of the pump housing, a bracket is fixedly sleeved in the filter pipe, a filter plate is fixedly connected to the upper end of the bracket, an adjusting shaft is rotatably sleeved in the filter plate, a mounting frame is fixedly sleeved on the outer wall of the adjusting shaft, and a cleaning rod is fixedly connected to the outer wall of the mounting frame.

[0007] As a further solution of the utility model, a worm wheel and a worm are rotatably arranged in the installation box, the worm wheel and the worm are meshed, and the upper end of the adjustment shaft passes through the installation box and is fixedly sleeved with the worm wheel.

[0008] As a further solution of the utility model, pulley one and pulley two are fixedly sleeved on the outer walls of the drive shaft and one end of the worm respectively, and transmission belts are sleeved on the outer walls of pulley one and pulley two, and the diameter of pulley one is smaller than the diameter of pulley two.

[0009] As a further solution of the utility model, an end cap is threadedly sleeved on the upper end of the filter tube, and the installation box is fixedly connected to the upper end of the end cap.

[0010] As a further solution of the utility model, a plurality of annular filter holes are provided on the surface of the filter plate, and a reinforcement plate is fixedly connected to the outer wall of the filter plate.

[0011] As a further solution of the utility model, an input pipe and a manhole are fixedly sleeved on the outer wall of the filter tube, and the manhole input port is arranged at a position on one side of the upper end of the bracket.

[0012] As a further solution of the utility model, the upper end of the base is fixedly connected to a mounting seat, the upper ends of the mounting seat are respectively fixedly connected to a motor and a support seat, and one end of the drive shaft passes through the support seat and is fixedly connected to the output end of the motor.

[0013] The beneficial effects of the utility model are as follows:

[0014] The filter plate with an annular filter hole is provided to filter the rubber lining fragments and impurities, so that when the adjusting shaft drives the mounting frame to rotate, the impurities blocking the mesh holes can be cleaned by the cleaning rod rotating in the annular filter hole, thereby avoiding the blockage of the filter hole of the filter plate, and the impurities can be discharged regularly through the manhole without disassembling the filter plate, thereby extending the service life of the filter plate;

[0015] The transmission belt drives the pulley one and the pulley two to rotate. When the driving shaft drives the impeller to rotate, it can drive the worm to rotate, and then the worm drives the worm wheel to rotate, thereby synchronously driving the adjustment shaft to rotate, providing power for the rotation of the adjustment shaft, which is practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of one side of a slurry circulation pump of the utility model;

[0017] Figure 2 This is a schematic diagram of the internal structure of a slurry circulation pump of the utility model;

[0018] Figure 3 This is a schematic diagram of the internal structure of a filter plate of a slurry circulation pump of the utility model;

[0019] Figure 4 This is a schematic diagram of the other side of a slurry circulation pump of the utility model;

[0020] Figure 5 It is a bottom view schematic diagram of the internal structure of a slurry circulation pump of the utility model.

[0021] In the figure: 1. base; 2. mounting base; 3. motor; 4. support base; 5. pump housing; 6. drive shaft; 7. impeller; 8. output pipe; 9. filter pipe; 10. input pipe; 11. bracket; 12. filter plate; 13. reinforcement plate; 14. adjustment shaft; 15. mounting frame; 16. cleaning rod; 17. mounting box; 18. worm gear; 19. worm; 20. pulley one; 21. pulley two; 22. transmission belt; 23. manhole. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0023] like Figure 1-5 As shown, a slurry circulation pump includes a base 1, a pump housing 5 and a mounting box 17, a driving shaft 6 is rotatably sleeved on the pump housing 5, an impeller 7 is fixedly sleeved on the outer wall of one end of the driving shaft 6 located inside the pump housing 5, an output pipe 8 and a filter tube 9 are respectively fixedly connected on both sides of the upper end of the pump housing 5, a bracket 11 is fixedly sleeved in the filter tube 9, a filter plate 12 is fixedly connected to the upper end of the bracket 11, an adjusting shaft 14 is rotatably sleeved in the filter plate 12, a mounting bracket 15 is fixedly sleeved on the outer wall of the adjusting shaft 14, and a cleaning rod 16 is fixedly connected to the outer wall of the mounting bracket 15.

[0024] In this embodiment, a worm wheel 18 and a worm 19 are rotatably arranged in the installation box 17, and the worm wheel 18 and the worm 19 are meshed. The upper end of the adjustment shaft 14 passes through the installation box 17 and is fixedly sleeved with the worm wheel 18. The worm wheel 18 is driven to rotate by the worm 19, and then the adjustment shaft 14 is driven to rotate.

[0025] In this embodiment, a pulley 20 and a pulley 21 are fixedly sleeved on the outer walls of one end of the driving shaft 6 and the worm 19, respectively. A transmission belt 22 is sleeved on the outer walls of the pulley 20 and the pulley 21. The diameter of the pulley 20 is smaller than the diameter of the pulley 21. The driving shaft 6 drives the pulley 20 to rotate, and then drives the pulley 2 21 to decelerate through the transmission belt 22, thereby driving the worm 19 to rotate.

[0026] In this embodiment, an end cap is threadedly sleeved on the upper end of the filter tube 9, and the mounting box 17 is fixedly connected to the upper end of the end cap, so that it is convenient to open the end cap and disassemble the filter plate 12.

[0027] In this embodiment, a plurality of annular filter holes are provided on the surface of the filter plate 12 , and a reinforcement plate 13 is fixedly connected to the outer wall of the filter plate 12 . The reinforcement plate 13 is used to improve the structural strength of the filter plate 12 .

[0028] In this embodiment, the input pipe 10 and the manhole 23 are fixedly sleeved on the outer wall of the filter tube 9. The input port of the manhole 23 is arranged at one side of the upper end of the bracket 11. The manhole 23 can be used to regularly clean impurities on the bracket 11.

[0029] In this embodiment, the upper end of the base 1 is fixedly connected to the mounting base 2, and the upper ends of the mounting base 2 are respectively fixedly connected to the motor 3 and the support base 4. One end of the drive shaft 6 passes through the support base 4 and is fixedly connected to the output end of the motor 3, and the drive shaft 6 is driven to rotate by the motor 3.

[0030] It should be noted that the utility model is a slurry circulation pump. When in use, the starting motor 3 drives the driving shaft 6 to rotate, which in turn drives the impeller 7 to rotate, driving the slurry from the input pipe 10 into the filter tube 9, and after being filtered through the filter plate 12, it enters the pump housing 5, and is discharged from the output pipe 8 after being pressurized by the impeller 7. When the driving shaft 6 rotates, it will drive the pulley 1 20 to rotate, and then drive the pulley 2 21 to slow down the rotation through the transmission belt 22, and then drive the worm 19 to rotate, and then drive the worm wheel 18 to rotate, and then drive the adjusting shaft 14 to rotate, and then drive the mounting frame 15 to rotate, thereby driving the cleaning rod 16 to rotate in the annular filter hole of the filter plate 12, to remove impurities that block the filter hole, and prevent impurities from clogging the filter plate 12 and affecting the filtering effect.

[0031] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A slurry circulation pump, comprising a base (1), a pump housing (5) and a mounting box (17), characterized in that: A driving shaft (6) is rotatably sleeved on the pump housing (5); an impeller (7) is fixedly sleeved on the outer wall of one end of the driving shaft (6) located inside the pump housing (5); an output pipe (8) and a filter pipe (9) are respectively fixedly connected on both sides of the upper end of the pump housing (5); a bracket (11) is fixedly sleeved inside the filter pipe (9); a filter plate (12) is fixedly connected to the upper end of the bracket (11); an adjusting shaft (14) is rotatably sleeved inside the filter plate (12); a mounting frame (15) is fixedly sleeved on the outer wall of the adjusting shaft (14); and a cleaning rod (16) is fixedly connected to the outer wall of the mounting frame (15).

2. A slurry circulation pump according to claim 1, characterized in that: A worm wheel (18) and a worm screw (19) are rotatably arranged in the installation box (17), respectively. The worm wheel (18) and the worm screw (19) are meshed. The upper end of the adjustment shaft (14) passes through the installation box (17) and is fixedly sleeved with the worm wheel (18).

3. A slurry circulation pump according to claim 2, characterized in that: A pulley 1 (20) and a pulley 2 (21) are fixedly sleeved on the outer walls of one end of the driving shaft (6) and the worm (19), respectively; a transmission belt (22) is sleeved on the outer walls of the pulley 1 (20) and the pulley 2 (21); the diameter of the pulley 1 (20) is smaller than the diameter of the pulley 2 (21).

4. A slurry circulation pump according to claim 1, characterized in that: The upper end of the filter tube (9) is threadedly sleeved with an end cover, and the installation box (17) is fixedly connected to the upper end of the end cover.

5. A slurry circulation pump according to claim 1, characterized in that: A plurality of annular filter holes are provided on the surface of the filter plate (12), and a reinforcing plate (13) is fixedly connected to the outer wall of the filter plate (12).

6. A slurry circulation pump according to claim 1, characterized in that: An input pipe (10) and a manhole (23) are fixedly sleeved on the outer wall of the filter tube (9), and the input port of the manhole (23) is arranged at a position on one side of the upper end of the bracket (11).

7. A slurry circulation pump according to claim 1, characterized in that: The upper end of the base (1) is fixedly connected to a mounting seat (2), the upper end of the mounting seat (2) is respectively fixedly connected to a motor (3) and a support seat (4), and one end of the drive shaft (6) passes through the support seat (4) and is fixedly connected to the output end of the motor (3).

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