Anti-blocking sewage pump

Abstract

The utility model discloses an anti-clogging sewage pump, which comprises a sewage pump main body, a crushing cylinder and a support, the crushing cylinder is arranged at a position between the sewage pump main body and the support, a filter screen, a flow collecting cover, a crushing disc, a filter piece and a crushing device are arranged in the crushing cylinder, a separation ring is arranged in the crushing disc, and the separation ring is arranged in the sewage pump main body. The filtering part comprises a grating filter screen plate and a flow dividing shell, flow dividing holes which are evenly distributed are formed in the surface of the flow dividing shell, the crushing device comprises a waterproof motor, a fixed arm, a rotating plate and a disturbance mechanism, the two ends of the fixed arm are connected with the inner wall of the crushing barrel, and the two ends of the flow collecting cover are connected with the fixed arm and a separation ring correspondingly; the rotating plate driven by the waterproof motor rotates, the disturbance rod disturbs fiber impurities filtered out by the filter screen, the tearing slice tears the fiber impurities filtered out by the filter screen, the spiral blade stirs sewage and the fiber impurities torn and bunched by the crushing and cutting block, and the sewage pump can stir and crush solid particle bunched fiber impurities such as fibers and paper scraps.

Description

Technical Field

[0001] The utility model belongs to the technical field of sewage pumps, and in particular relates to an anti-clogging sewage pump. Background Art

[0002] Sewage pumps are a type of centrifugal impurity pumps, mainly used to transport urban sewage, feces or liquids containing solid particles such as fibers and paper scraps from one place to another. There are many types of sewage pumps, including submersible and dry types, among which submersible is one of the most common types. Sewage pumps play an important role in sewage treatment systems, such as filtration, sedimentation, mixing and disinfection, to ensure the normal operation of urban sewage treatment systems. The Chinese utility model authorized patent application number CN202023267235.7 discloses an anti-sinking sewage pump. The sewage pump uses the action of centrifugal force to form a pressure difference around the pump, pushing the sewage through the pump body into the outlet pipe to complete the sewage transportation. A mechanical device;

[0003] When the sewage pump is in use, a filter is installed to filter out impurities contained in the sewage, such as mud, sand, gravel, plastic bags, etc., to avoid clogging the water pump. However, the filtration range of a single filter is limited. Fibers that are easily entangled or bunched in the sewage can clog the pump flow channel. Fragmented fibers, paper scraps and other solid particles are relatively soft and can easily pass through the aperture of the filter and entangle on the impeller to cause clogging. After long-term use of the sewage pump, there is a problem that the sewage pump has no design to stir and crush the fiber impurities that are bunched up in the sewage, such as fibers and paper scraps, etc., that enter the impeller. For this reason, the present application proposes an anti-clogging sewage pump. Utility Model Content

[0004] The utility model aims to provide an anti-clogging sewage pump to solve the problem in the above background technology that the sewage pump cannot stir and crush the fiber impurities such as fiber, paper scraps and other solid particle clusters.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an anti-clogging sewage pump, comprising a sewage pump body, a crushing barrel and a support, the crushing barrel is installed at a position between the sewage pump body and the support, a filter screen, a collecting cover and a crushing disk, a filter element and a crushing device are arranged inside the crushing barrel, a separating ring is arranged inside the crushing disk, the filter element comprises a grid filter plate and a diversion shell, and the surface of the diversion shell is provided with evenly distributed diversion holes, the crushing device comprises a waterproof motor, a fixed arm, a rotating plate and a disturbance mechanism, the two ends of the fixed arm are connected to the inner wall of the crushing barrel, the two ends of the collecting cover are respectively connected to the fixed arm and the separating ring, the output shaft of the waterproof motor passes through the fixed arm and is connected to the rotating plate, the surfaces of the two ends of the rotating plate are respectively provided with a disturbance rod and a tearing slice, the disturbance mechanism comprises a first connecting column and a second connecting column, the two ends of the first connecting column are respectively connected to the end of the rotating plate and the end of the second connecting column, the outer side of the other end of the second connecting column is provided with a spiral blade, the inner side wall of the separating ring is provided with a guide hole, and the surface of the crushing disk is provided with a through hole.

[0006] Preferably, the diversion hole on the diversion shell is a structure with one side wide and the other side narrow. The diversion hole is located on the side of the inner surface of the diversion shell as the narrow end, and the diversion hole is located on the side of the outer surface of the diversion shell as the narrow end. The waterproof motor is connected to the center position of the circle of the outer surface of the diversion shell, and the diversion shell is an arched shape.

[0007] Preferably, the output shaft of the waterproof motor passes through the center position of the fixed arm and the center position of the crushing disk. The output shaft of the waterproof motor is rotatably connected to the fixed arm and the crushing disk. The centers of the waterproof motor, the diverter shell and the crushing disk are on the same axis.

[0008] Preferably, the collecting cover is a hollow cone structure with one end wide and the other end narrow, one end of the narrow side of the collecting cover is connected to the separation ring, and the outer diameter of the wide end of the collecting cover is the same as the inner diameter of the crushing barrel.

[0009] Preferably, the rotating plate includes a connecting plate at a central position and symmetrically distributed fan-shaped plates, the disturbance rods and the tearing slices are respectively installed on the surfaces of the symmetrical fan-shaped plates, the tearing slices on the same side are alternately distributed, and the tearing slices are curved.

[0010] Preferably, the second connecting column is an "L"-shaped structure, a water storage chamber C is formed between the crushing disk and the inner wall of the separating ring, a disturbance chamber D is formed between the inner wall of the crushing disk and the outer surface of the separating ring, and one end of the second connecting column and the spiral blade are located inside the disturbance chamber D.

[0011] Preferably, the crushing disk is provided with crushing blocks on the inner side wall of the disturbance chamber D, and the crushing blocks are inclined semicircular plate structures.

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

[0013] In the utility model, the rotating plate driven by the waterproof motor rotates, the disturbance rod disturbs the fiber impurities filtered out by the filter screen, the tearing slice tears the fiber impurities filtered out by the filter screen, the spiral blades stir the sewage, break the cut pieces and tear the clustered fiber impurities, and the sewage pump can stir and break the fiber impurities clustered by solid particles such as fibers and paper scraps. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 It is a cross-sectional structural schematic diagram of the crushing barrel of the utility model;

[0016] Figure 3 It is a schematic diagram of the top view of the diverter shell of the utility model;

[0017] Figure 4 It is a schematic diagram of the top view of the rotating plate of the utility model;

[0018] Figure 5 This is a schematic diagram of the structure of the crushing disk of the utility model when viewed from above;

[0019] In the figure: 1. sewage pump body; 2. crushing cylinder; 3. support; 6. filter screen; 7. collecting cover; 8. crushing disk; 9. first connecting column; 10. second connecting column; 41. grille filter plate; 42. diverter shell; 51. waterproof motor; 52. fixed arm; 53. rotating plate; 81. separation ring; 82. crushing block; 83. through hole; 101. spiral blade; 421. diverter hole; 531. disturbance rod; 532. tearing slice; 811. guide hole. DETAILED DESCRIPTION

[0020] 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.

[0021] Example

[0022] See also Figures 1 to 5The utility model provides a technical solution: an anti-clogging sewage pump, including a sewage pump body 1, a crushing barrel 2 and a support 3, the crushing barrel 2 is installed between the sewage pump body 1 and the support 3, the sewage pump body 1 conveys sewage by conventional technical means, and this application will not be described in detail, the crushing barrel 2 is connected to the sewage pump body 1 and the support 3 in a conventional manner; the crushing barrel 2 is provided with a filter screen 6, a collecting cover 7 and a crushing disk 8, a filter element and a crushing device, the crushing disk 8 is provided with a separation ring 81, and the filter element includes a grille filter plate 41 and a diverter shell 42 The grid filter plate 41 and the diversion shell 42 are connected in a conventional manner. The filter screen 6 is installed inside the top of the crushing cylinder 2, and the diversion shell 42 is installed inside the bottom of the crushing cylinder 2. The sewage enters the crushing cylinder 2 along the direction a. The grid filter plate 41 and the diversion shell 42 are designed as a layer of filtration to filter out impurities contained in the sewage, such as mud, sand, gravel, plastic bags, etc. The sewage passes through the crushing disk 8 along the direction e and is filtered by the filter screen 6. The filter screen 6 is designed as a filter to filter out impurities such as fibers that are easy to entangle or bunch in the sewage; the surface of the diversion shell 42 is provided with a uniform The sewage enters the diversion shell 42 after being filtered by the grid filter plate 41 through the diversion holes 421 evenly distributed. The sewage passes through the diversion holes 421 along the direction b to achieve sewage diversion. At the same time, the diversion holes 421 also play a certain filtering effect. The crushing device includes a waterproof motor 51, a fixed arm 52, a rotating plate 53 and a disturbance mechanism. The two ends of the fixed arm 52 are connected to the inner wall of the crushing cylinder 2, and the two ends of the collecting cover 7 are respectively connected to the fixed arm 52 and the separation ring 81. The output shaft of the waterproof motor 51 passing through the fixed arm 52 is connected to the rotating plate 53, and the output shaft on the waterproof motor 51 is connected to the rotating plate 53. The plate 53 is usually assembled in a conventional manner, the fixed arm 52 is connected to the crushing cylinder 2 by a conventional method, the waterproof motor 51 is running, the output shaft on the waterproof motor 51 drives the rotating plate 53 to rotate, the rotating plate 53 disturbs the sewage, and the surfaces of the two ends of the rotating plate 53 are respectively provided with a disturbance rod 531 and a tearing slice 532, the disturbance rod 531 and the tearing slice 532 are connected to the rotating plate 53 by conventional technical means, the disturbance rod 531 disturbs the fiber impurities filtered out by the filter screen 6, and the tearing slice 532 tears the fiber impurities filtered out by the filter screen 6, so as to achieve the effect of crushing the fiber impurities;The disturbance mechanism includes a first connecting column 9 and a second connecting column 10. The two ends of the first connecting column 9 are respectively connected to the ends of the rotating plate 53 and the second connecting column 10. A spiral blade 101 is provided on the outer side of the other end of the second connecting column 10. A guide hole 811 is provided on the inner side wall of the separation ring 81. A through hole 83 is provided on the surface of the crushing disk 8. After the sewage is diverted by the diversion shell 42, it passes through the collecting cover 7 along the c direction to enter the water storage chamber C. After that, the sewage passes through the guide hole 811 along the d direction to enter the disturbance chamber D. The first connecting column 9 and the second connecting column 10 rotate with the rotating plate 53. The spiral blade 101 disturbs the sewage. The spiral blade 101 also has a certain effect of tearing the clustered fiber impurities. The sewage is disturbed, and the sewage containing the clustered fiber impurities impacts the broken blocks 82 on the inner side wall of the crushing disk 8 under the disturbance centrifugal action, tearing the clustered fiber impurities apart. ;

[0023] In this embodiment, the diversion hole 421 on the diversion shell 42 is a structure with one side wide and the other side narrow, which can achieve the function of diverting sewage and filtering mud and stones in the sewage. The diversion hole 421 is located on the side of the inner surface of the diversion shell 42 as a narrow end, and the diversion hole 421 is located on the side of the outer surface of the diversion shell 42 as a narrow end. The waterproof motor 51 is connected to the center position of the circle of the outer surface of the diversion shell 42, and the diversion shell 42 is an arched shape.

[0024] In this embodiment, the output shaft of the waterproof motor 51 passes through the center position of the fixed arm 52 and the center position of the crushing disk 8. The output shaft of the waterproof motor 51 is rotatably connected with the fixed arm 52 and the crushing disk 8. The centers of the waterproof motor 51, the diverter shell 42 and the crushing disk 8 are on the same axis. When the waterproof motor 51 runs, the output shaft on the waterproof motor 51 drives the rotating plate 53 to rotate, and the rotating plate 53 disturbs the sewage.

[0025] In this embodiment, the collecting cover 7 is a hollow conical structure with one end wide and the other end narrow. One end of the narrow side of the collecting cover 7 is connected to the separating ring 81. The outer diameter of the wide end of the collecting cover 7 is the same as the inner diameter of the crushing barrel 2. After the sewage is diverted by the diversion shell 42, it passes through the collecting cover 7 along the c direction and enters the water storage chamber C.

[0026] In this embodiment, the rotating plate 53 includes a connecting plate at the center position and a symmetrically distributed fan-shaped plate. The disturbance rod 531 and the tearing slice 532 are respectively installed on the surface of the symmetrical fan-shaped plate. The tearing slices 532 on the same side are alternately distributed. The tearing slices 532 are curved. The disturbance rod 531 disturbs the fiber impurities filtered out by the filter net 6, and the tearing slices 532 tear the fiber impurities filtered out by the filter net 6, thereby achieving the effect of crushing the fiber impurities.

[0027] In this embodiment, the second connecting column 10 is an "L"-shaped structure, a water storage chamber C is formed between the crushing disk 8 and the inner wall of the separating ring 81, a disturbance chamber D is formed between the inner wall of the crushing disk 8 and the outer surface of the separating ring 81, one end of the second connecting column 10 and the spiral blade 101 are located inside the disturbance chamber D, the crushing disk 8 is located on the inner wall of the disturbance chamber D and is provided with a crushing block 82, the crushing block 82 is an inclined semicircular plate structure, the sewage passes through the guide hole 811 along the d direction and then enters the disturbance chamber D, the first connecting column 9 and the second connecting column 10 rotate with the rotating plate 53, the spiral blade 101 disturbs the sewage, and the spiral blade 101 also has a certain effect of tearing the clustered fiber impurities, the sewage is disturbed, and the sewage containing the clustered fiber impurities impacts the crushing block 82 on the inner wall of the crushing disk 8 under the disturbance centrifugal action, tearing the clustered fiber impurities apart.

[0028] The working principle and use process of this utility model:

[0029] The sewage enters the crushing tube 2 along direction a:

[0030] First, the sewage is filtered by the grid filter plate 41 and enters the diversion shell 42. The sewage passes through the diversion hole 421 along the direction b to achieve sewage diversion. At the same time, the diversion hole 421 also has a certain filtering effect. The grid filter plate 41 and the diversion shell 42 are designed as a layer of filtering to filter out impurities contained in the sewage, such as mud, sand, gravel, plastic bags, etc.;

[0031] Second, the sewage is diverted by the diversion shell 42 and passes through the collecting cover 7 along the c direction to enter the water storage chamber C of the crushing disk 8. Then, the sewage is diverted along the d direction through the guide hole 811 and enters the disturbance chamber D.

[0032] Third, the sewage passes through the crushing disk 8 along the e direction and is filtered by the filter screen 6. The filter screen 6 is designed as a filter to filter out impurities such as fibers that are easy to entangle or bunch in the sewage. The filtered sewage enters the sewage pump body 1;

[0033] Fourth, the waterproof motor 51 runs, the output shaft on the waterproof motor 51 drives the rotating plate 53 to rotate, the rotating plate 53 disturbs the sewage, the disturbance rod 531 disturbs the fiber impurities filtered out by the filter screen 6, and the tearing slice 532 tears the fiber impurities filtered out by the filter screen 6, thereby achieving the effect of crushing the fiber impurities;

[0034] Fifth, the first connecting column 9 and the second connecting column 10 rotate with the rotating plate 53, and the spiral blades 101 stir the sewage in the disturbance chamber D. The spiral blades 101 also have a certain effect of tearing the clustered fiber impurities. The sewage is disturbed, and the sewage containing the clustered fiber impurities impacts the crushing blocks 82 on the inner wall of the crushing disk 8 under the centrifugal action of the disturbance, tearing the clustered fiber impurities apart;

[0035] To sum up: the rotating plate 53 driven by the waterproof motor 51 rotates, the disturbance rod 531 disturbs the fiber impurities filtered out by the filter net 6, the tearing slice 532 tears the fiber impurities filtered out by the filter net 6, the spiral blade 101 stirs the sewage, the crushing block 82 tears the bunched fiber impurities, and the sewage pump can stir the fiber impurities bunched by solid particles such as broken fibers and paper scraps.

[0036] Although the embodiments of the present invention have been shown and described (see the above detailed description for details), it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A sewage pump with an anti-clogging function, comprising a sewage pump body (1), a crushing drum (2) and a support (3), wherein the crushing drum (2) is installed between the sewage pump body (1) and the support (3), and characterized in that: The crushing cylinder (2) is provided with a filter screen (6), a flow collecting cover (7), a crushing disk (8), a filter element and a crushing device inside; a separation ring (81) is provided inside the crushing disk (8); the filter element comprises a grid filter plate (41) and a flow dividing shell (42); the surface of the flow dividing shell (42) is provided with evenly distributed flow dividing holes (421); the crushing device comprises a waterproof motor (51), a fixed arm (52), a rotating plate (53) and a disturbance mechanism; the two ends of the fixed arm (52) are connected to the inner wall of the crushing cylinder (2); the two ends of the flow collecting cover (7) are respectively connected to the fixed arm (52) and the separation ring (81); The output shaft of the waterproof motor (51) passes through the fixed arm (52) and is connected to the rotating plate (53). The surfaces of both ends of the rotating plate (53) are respectively provided with a disturbance rod (531) and a tearing slice (532). The disturbance mechanism comprises a first connecting column (9) and a second connecting column (10). The two ends of the first connecting column (9) are respectively connected to the end of the rotating plate (53) and the end of the second connecting column (10). The outer side of the other end of the second connecting column (10) is provided with a spiral blade (101). The inner side wall of the separation ring (81) is provided with a guide hole (811). The surface of the crushing disk (8) is provided with a through hole (83).

2. The anti-clogging sewage pump according to claim 1, characterized in that: The diverter hole (421) on the diverter shell (42) is a structure with one side wide and one side narrow, the diverter hole (421) is located on the inner surface of the diverter shell (42) on the narrow end, and the diverter hole (421) is located on the outer surface of the diverter shell (42) on the narrow end, the waterproof motor (51) is connected to the center position of the outer surface of the diverter shell (42), and the diverter shell (42) is an arch shape.

3. The anti-clogging sewage pump according to claim 1, characterized in that: The output shaft of the waterproof motor (51) passes through the center position of the fixed arm (52) and the center position of the crushing disk (8). The output shaft of the waterproof motor (51) is rotatably connected to the fixed arm (52) and the crushing disk (8). The centers of the waterproof motor (51), the diverter shell (42) and the crushing disk (8) are on the same axis.

4. The anti-clogging sewage pump according to claim 1, characterized in that: The collecting cover (7) is a hollow cone structure with one end wide and the other end narrow. One end of the narrow side of the collecting cover (7) is connected to the separation ring (81). The outer diameter of the wide end of the collecting cover (7) is the same as the inner diameter of the crushing barrel (2).

5. The anti-clogging sewage pump according to claim 1, characterized in that: The rotating plate (53) comprises a connecting plate at a central position and symmetrically distributed fan-shaped plates. The disturbance rod (531) and the tearing slices (532) are respectively installed on the surfaces of the symmetrical fan-shaped plates. The tearing slices (532) on the same side are alternately distributed, and the tearing slices (532) are curved.

6. The anti-clogging sewage pump according to claim 1, characterized in that: The second connecting column (10) is an "L"-shaped structure. A water storage chamber C is formed between the crushing disc (8) and the inner wall of the separation ring (81). A disturbance chamber D is formed between the inner wall of the crushing disc (8) and the outer surface of the separation ring (81). One end of the second connecting column (10) and the spiral blade (101) are located inside the disturbance chamber D.

7. The anti-clogging sewage pump according to claim 6, characterized in that: The crushing disc (8) is provided with a crushing block (82) on the inner side wall of the disturbance chamber D, and the crushing block (82) is an inclined semicircular plate structure.

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