CN219865649U - Submersible pump with filtering structure - Google Patents

Abstract

The embodiment of the utility model provides a submersible pump with a filtering structure, and relates to the technical field of submersible pumps. The submersible pump with the filtering structure comprises a pump body, an adjusting assembly, a filtering assembly and a backwashing assembly; the filter can filter aquatic impurity, the pump body draws sewage and need pass through the filter and get into in the annular plate spare for in part sewage is through the punching tube body dashing into outer annular plate, impact and make it move down to the propelling movement annular plate, when utilizing the pump body to draw sewage then, the kinetic energy of rivers changes the position of filter, and third elastic component and first elastic component can drive the filter and reset, the microvalve body can control the punching tube body ration and advance water, so that the filter board can be in annular plate spare bottom reciprocating, avoid impurity in the sewage to cause impurity to adhere to on the filter because of the suction of the pump body, avoid the filter to take place to block up afterwards, with this can the efficient utilization pump body to sewage suction.

Description

Submersible pump with filtering structure

Technical Field

The utility model relates to the technical field of submersible pumps, in particular to a submersible pump with a filtering structure.

Background

In the process of treating domestic wastewater of a thermal power plant, a plurality of wastewater submersible pumps are often used, and the main function of the wastewater submersible pumps is to convey the domestic wastewater of the plant to a solid sewage plant, and the existing domestic sewage pump among industrial wastewater is provided with a plurality of submersible pumps, so that the defects of reduced output, no water taking and the like frequently occur after long-term use, and a large amount of manpower and material resources are consumed for multiple overhauling, the normal operation of a domestic wastewater system is influenced, and the labor intensity of overhaulers is increased;

through field disassembly inspection, the obvious corrosion phenomenon of the impeller is found, but no water leakage phenomenon occurs in the pump body and the pipeline during the operation of the equipment, the unqualified equipment material is determined to be a main factor of no output of the domestic wastewater pump, and the pressure of the water outlet pipeline is normal during the operation of the submersible pump, so that the smaller drift diameter of the water pipe is determined to be a main factor of small output of the domestic submersible pump, finally, the disassembly inspection is carried out on the suction inlet of the pump body, the pump inlet is found to have serious blockage due to foreign matters, and the unqualified type of the submersible pump and the blockage of the pump inlet are determined to be main factors of no output of the domestic submersible pump, so that the pump inlet is determined to be blocked easily when the existing submersible pump is used for a long time;

therefore, in order to solve the problems, a submersible pump with a filtering structure is designed to solve the problems, and meanwhile, the kinetic energy of running water of a pump body is utilized to clean the filtering structure by a back flushing means when the suction inlet of the submersible pump is filtered, so that impurities are not easy to adhere to the filtering structure, the long-term filtering performance of the filtering structure is improved, and the service life of the filtering structure is prolonged.

Disclosure of Invention

The utility model aims to provide a submersible pump with a filtering structure, which can filter a suction inlet of the submersible pump, and simultaneously clean the filtering structure by utilizing the kinetic energy of running water of a pump body and adopting a back flushing means, so that the filtering structure is not easy to adhere to impurities, the long-term filtering performance of the filtering structure is improved, and the service life of the filtering structure is prolonged.

The utility model provides a submersible pump with a filtering structure, comprising:

a pump body; the output end of the pump body is communicated with a water inlet pipe body;

an adjustment assembly; the adjusting assembly comprises an annular plate, an outer annular plate, a communicating shell and a water outlet piece, wherein the outer annular plate is arranged on the outer side of the annular plate, the communicating shell is arranged at the bottom of the outer side of the outer annular plate, and the water outlet piece is arranged at one end of the communicating shell;

a filter assembly; the filter assembly comprises a filter plate and a push ring plate, the filter plate is arranged at the bottom of the ring plate, and the push ring plate is arranged on the outer ring at the top of the filter plate;

a backwash assembly; the back flushing assembly comprises a back flushing pipe body and a miniature valve body, wherein the back flushing pipe body is arranged at the top of the filter plate, and the miniature valve body is arranged on the surface of the back flushing pipe body.

In a specific embodiment, the input end of the pump body is communicated with a water outlet pipe body, and the bottom of the water inlet pipe body is connected with a main flange plate.

In a specific embodiment, the top of the ring plate is connected with a slave flange, and the bottom of the ring plate is provided with a chute.

In a specific embodiment, the outer ring of the annular plate is connected with a connecting plate, and the inner cavity of the water outlet piece is provided with a flow increasing groove.

In a specific embodiment, the top of the inner cavity of the outer ring plate is connected with a first elastic piece, and the bottom of the inner surface of the outer ring plate is connected with a sealing gasket.

In a specific embodiment, the inner cavity of the water outlet piece is provided with a single-flow partition board, one end of the single-flow partition board is connected with a second elastic piece, and one end of the second elastic piece, which is far away from the single-flow partition board, is connected with a mounting ring.

In a specific embodiment, the surface of the filter plate is provided with filter meshes, and the outer ring at the top of the filter plate is connected with a sliding plate piece.

In a specific embodiment, the top of the pushing ring plate is connected with a connecting plate, and both ends of the bottom of the connecting plate are connected with third elastic pieces.

In a specific embodiment, the input end of the recoil tube body is communicated with a drainage hopper.

In a specific embodiment, the outer surface of the microvalve body is provided with an outer protective housing.

The beneficial effects of the utility model are as follows: when the pump body works, impurities in water can be filtered through the filter plate and the filter meshes, so that sewage pumped by the pump body is pumped into the ring plate member through the filter plate, most of sewage entering into the ring plate member directly enters into the pump body to finish pumping work, part of sewage is flushed into the outer ring plate through the back flushing pipe body, the pushing ring plate at the bottom of the pump body is impacted and moved downwards, meanwhile, the first elastic member is stretched, the third elastic member is compressed, so that the filter plate is driven to be pushed downwards, then the position of the filter plate is changed by the kinetic energy of water flow when the pump body pumps the sewage, the third elastic member and the first elastic member can drive the filter plate to reset, and the miniature valve body can control the back flushing pipe body to quantitatively feed water, so that the filter plate can move upwards and downwards at the bottom of the ring plate member, the impurities in the sewage are prevented from being attached to the filter plate due to the suction force of the pump body, and then the filter plate is prevented from being blocked, and the sewage can be pumped by the pump body under the condition of not blocking; when the sewage pumped by the backflushing pipe body enters the outer annular plate, the water body impacts the pushing annular plate and the connecting plate to cause the pushing annular plate and the connecting plate to move downwards, until the pushing annular plate and the connecting plate move downwards to a proper position, the water body in the outer annular plate enters the communicating shell and enters the water outlet piece through the water outlet piece, and under the joint cooperation of the uniflow partition plate, the second elastic piece and the mounting ring, the water in the water outlet piece can be discharged outwards, external water cannot enter the water outlet piece, the filtering work of impurities in the water is finally completed, and the blocking work of the filter plate is prevented.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic perspective view of an overall structure of an embodiment of the present utility model;

FIG. 2 is an exploded perspective view of the overall structure of an embodiment of the present utility model;

FIG. 3 is an exploded perspective view of the conditioning, filter and backwash assemblies of an embodiment of the present utility model;

FIG. 4 is an enlarged schematic view of the structure A in FIG. 3 according to an embodiment of the present utility model;

FIG. 5 is a schematic perspective view, partially in section, of a conditioning assembly, a filter assembly, and a backwash assembly according to an embodiment of the present utility model;

FIG. 6 is a schematic perspective view of a partial structure of a filter assembly according to an embodiment of the present utility model;

FIG. 7 is a schematic perspective view of a partial structure of an adjustment assembly and backwash assembly according to an embodiment of the present utility model;

fig. 8 is an enlarged schematic view of the B structure of fig. 7 according to an embodiment of the present utility model.

Icon:

10. a pump body; 101. a water inlet pipe body; 1011. a main flange piece; 102. a water outlet pipe body;

20. an adjustment assembly; 21. from the flange plate; 22. a ring plate member; 221. a chute; 23. a connecting disc member; 24. an outer ring plate; 241. a first elastic member; 242. a sealing gasket; 25. a communication housing; 26. a water outlet member; 261. a flow increasing groove; 27. a uniflow separator; 271. a second elastic member; 272. a mounting ring;

30. a filter assembly; 31. a filter plate; 311. a filter mesh; 32. a slider member; 33. pushing the annular plate; 331. a connecting plate; 332. a third elastic member;

40. a backwash assembly; 41. a backwash tube; 411. a drainage bucket; 42. a miniature valve body; 421. an outer housing.

Detailed Description

As the existing domestic sewage pumps among industrial wastewater are provided with the submersible pumps, the defects of reduced output, no water taking and the like frequently occur after long-term use, and a large amount of manpower and material resources are consumed by repeated overhauling, the normal operation of a domestic wastewater system is influenced, and the labor intensity of overhaulers is increased. Therefore, the inventor provides a submersible pump with a filtering structure through research, and the submersible pump can utilize the kinetic energy of running water of a pump body to clean the filtering structure while filtering a suction inlet of the submersible pump, so that impurities are not easy to adhere to the filtering structure, the long-term filtering performance of the filtering structure is improved, and the service life of the filtering structure is prolonged, thereby solving the defects.

Some embodiments of the present utility model are described in detail below with reference to the accompanying drawings. The following embodiments and features of the embodiments may be combined with each other without conflict.

Referring to fig. 1 to 8, an embodiment of the present utility model provides a submersible pump with a filtering structure, which includes a pump body 10, an adjusting assembly 20, a filtering assembly 30 and a backwashing assembly 40; the output end of the pump body 10 is communicated with a water inlet pipe body 101; the adjusting assembly 20 comprises an annular plate 22, an outer annular plate 24, a communicating shell 25 and a water outlet piece 26, wherein the outer annular plate 24 is arranged on the outer side of the annular plate 22, the communicating shell 25 is arranged at the bottom of the outer side of the outer annular plate 24, and the water outlet piece 26 is arranged at one end of the communicating shell 25; the filter assembly 30 comprises a filter plate 31 and a pushing ring plate 33, wherein the filter plate 31 is arranged at the bottom of the ring plate 22, and the pushing ring plate 33 is arranged on the outer ring at the top of the filter plate 31; the backwash assembly 40 includes a backwash tube 41 and a micro valve body 42, the backwash tube 41 being provided on top of the filter plate 31 and the micro valve body 42 being mounted on the surface of the backwash tube 41.

Further, the input end of the pump body 10 is communicated with a water outlet pipe body 102, and the bottom of the water inlet pipe body 101 is connected with a main flange 1011;

illustratively, the pump body 10 is a high flow new submersible pump;

illustratively, in order to enhance the water outlet efficiency of the pump body 10, the flow path surface of the impeller in the pump body 10 is set to be maximized, and the water outlet pipe body 102 is communicated with the external water outlet pipeline;

further, the top of the annular plate 22 is connected with a slave flange piece 21, and a chute 221 is formed at the bottom of the annular plate 22;

illustratively, the slave flange piece 21 and the master flange piece 1011 are connected by bolting;

illustratively, the bottom of the inner cavity of the chute 221 is embedded with a sealing rubber strip;

further, the outer ring of the annular plate 22 is connected with a connecting disc 23, and the inner cavity of the water outlet piece 26 is provided with a flow increasing groove 261;

further, a first elastic piece 241 is connected to the top of the inner cavity of the outer ring plate 24, and a sealing gasket 242 is connected to the bottom of the inner surface of the outer ring plate 24;

illustratively, the bottom of the tie plate 23 is connected to the top of the outer ring plate 24;

the number of the first elastic members 241 is a plurality, and the plurality of first elastic members 241 are uniformly distributed in the inner cavity of the outer ring plate 24;

further, the inner cavity of the water outlet member 26 is provided with a single-flow partition plate 27, one end of the single-flow partition plate 27 is connected with a second elastic member 271, and one end of the second elastic member 271 far away from the single-flow partition plate 27 is connected with a mounting ring 272;

illustratively, the outer surface of the mounting ring 272 is coupled to the inner surface of the water outlet 26;

illustratively, the water outlet member 26 communicates with the opposite side of the communication housing 25;

illustratively, the communication shell 25 is embedded and installed at the bottom of the outer surface of the outer ring plate 24, and the communication shell 25 is communicated with one side opposite to the inner cavity of the outer ring plate 24;

further, the surface of the filter plate 31 is provided with filter meshes 311, and the outer ring at the top of the filter plate 31 is connected with a slide plate member 32;

illustratively, the top of the slide plate member 32 extends into the interior cavity of the chute 221 and is in sealing sliding contact with the junction of the chute 221;

further, a connection plate 331 is connected to the top of the pushing ring plate 33, and third elastic members 332 are connected to both ends of the bottom of the connection plate 331;

the number of the third elastic members 332 is several, and the plurality of third elastic members 332 are uniformly distributed at the bottom of the surface of the connecting plate 331;

illustratively, the pushing ring plate 33 and the connecting plate 331 extend to the inner cavity of the outer ring plate 24 and are in sliding contact with the connection of the outer ring plate 24, wherein the top of the connecting plate 331 is connected with the bottom of the first elastic member 241, and the bottom of the third elastic member 332 is connected with the top of the sealing gasket 242;

further, the input end of the back flushing pipe 41 is communicated with a drainage bucket 411;

further, an outer protective shell 421 is provided on the outer surface of the micro valve body 42;

illustratively, the backwash assemblies 40 are multiple in number and evenly distributed across the inner surface of the ring plate member 22;

illustratively, one end of the outer housing 421 is connected to the inner wall of the annular plate 22;

illustratively, the end of the back flushing pipe 41 remote from the drainage hopper 411 extends through the main flange 1011, the secondary flange 21, the disk 23 and the outer ring plate 24 to the middle of the inner cavity of the outer ring plate 24 and is located at the top of the connection plate 331.

In summary, the working principle of the submersible pump with the filtering structure in the embodiment of the utility model is as follows: in the initial state, the original old pump body 10 is replaced by a large-flow novel submersible pump, the flow passage surface of an impeller in the pump is enlarged, meanwhile, an original connected outlet water belt is replaced by a formal water outlet pipeline, and in order to reduce water leakage faults caused by water corrosion of pipelines and valves, an original outlet gate valve is replaced by a stainless steel butterfly valve, so that preparation work is completed;

then, when the adjusting assembly 20, the filtering assembly 30 and the backwashing assembly 40 are installed, the main flange 1011 and the auxiliary flange 21 on the water inlet pipe body 101 are only required to be connected through bolts, so that the adjusting assembly 20, the filtering assembly 30 and the backwashing assembly 40 can be installed;

when the pump body 10 works, impurities in water can be filtered under the combined action of the filter plate 31 and the filter mesh 311, so that the impurities in water cannot enter the pump body 10, and then the pump body 10 cannot be blocked, while the filter plate 31 filters the impurities in water, the pump body 10 pumps sewage and needs to enter the annular plate 22 through the filter plate 31, most of the sewage entering the annular plate 22 directly enters the pump body 10 to be pumped, and a small part of the sewage enters the backflushing pipe body 41 through the drainage hopper 411, finally, the sewage is flushed into the outer annular plate 24 through the backflushing pipe body 41, the push annular plate 33 and the connecting plate 331 at the bottom of the outer annular plate 24 are impacted, the push annular plate 33 and the connecting plate 331 are impacted to move downwards, so that the filter plate 31 is driven to move downwards, the first elastic piece 241 is stretched, the third elastic piece 332 is compressed, the slide plate 32 slides downwards in the chute 221, so that the position of the filter plate 31 is changed under the condition that the filtering of the sewage is not affected, and the position of the filter plate 31 is pushed downwards, when the water does not impact the filter plate 31 in the backflushing pipe body 41, the first elastic piece 33 and the first elastic piece 332 can be driven to move downwards, and the first elastic piece 332 is driven, and the filter plate 31 is driven downwards;

further, the micro valve body 42 can control the backwash pipe 41 to quantitatively feed water, so that the filter plate 31 can move up and down at the bottom of the annular plate 22, impurities in the sewage are prevented from adhering to the filter plate 31 due to the suction force of the pump body 10, and then the filter plate 31 is prevented from being blocked, so that the pump body 10 can be efficiently utilized to suck the sewage under the condition of not blocking the pump body 10;

when the sewage pumped by the back flushing pipe 41 enters the outer ring plate 24, the water body impacts the pushing ring plate 33 and the connecting plate 331 to move downwards until the pushing ring plate 33 and the connecting plate 331 move downwards to a proper position, the water body in the outer ring plate 24 enters the communication shell 25 and enters the water outlet member 26 through the water outlet member 26, and under the cooperation of the uniflow partition plate 27, the second elastic member 271 and the mounting ring 272, the water in the water outlet member 26 can be discharged outwards, the external water cannot enter the water outlet member 26, the filtering work of impurities in the water is finally completed, and the blocking work of the filter plate 31 is prevented.

The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. A submersible pump with a filter structure, comprising:

a pump body (10); the output end of the pump body (10) is communicated with a water inlet pipe body (101);

an adjustment assembly (20); the adjusting assembly (20) comprises an annular plate (22), an outer annular plate (24), a communicating shell (25) and a water outlet piece (26), wherein the outer annular plate (24) is arranged on the outer side of the annular plate (22), the communicating shell (25) is arranged at the bottom of the outer side of the outer annular plate (24), and the water outlet piece (26) is arranged at one end of the communicating shell (25);

a filter assembly (30); the filter assembly (30) comprises a filter plate (31) and a pushing annular plate (33), the filter plate (31) is arranged at the bottom of the annular plate (22), and the pushing annular plate (33) is arranged on the outer ring at the top of the filter plate (31);

a backwash assembly (40); the backwashing assembly (40) comprises a backwashing pipe body (41) and a miniature valve body (42), the backwashing pipe body (41) is arranged at the top of the filter plate (31), and the miniature valve body (42) is arranged on the surface of the backwashing pipe body (41).

2. The submersible pump with the filtering structure according to claim 1, wherein the input end of the pump body (10) is communicated with a water outlet pipe body (102), and the bottom of the water inlet pipe body (101) is connected with a main flange sheet (1011).

3. The submersible pump with the filtering structure according to claim 1, characterized in that the top of the ring plate (22) is connected with a secondary flange piece (21), and the bottom of the ring plate (22) is provided with a sliding groove (221).

4. The submersible pump with the filtering structure according to claim 1, characterized in that an outer ring of the annular plate (22) is connected with a connecting disc (23), and an inner cavity of the water outlet piece (26) is provided with a flow increasing groove (261).

5. The submersible pump with the filtering structure according to claim 1, wherein the top of the inner cavity of the outer ring plate (24) is connected with a first elastic piece (241), and the bottom of the inner surface of the outer ring plate (24) is connected with a sealing gasket (242).

6. The submersible pump with the filtering structure according to claim 1, wherein the inner cavity of the water outlet piece (26) is provided with a single-flow partition board (27), one end of the single-flow partition board (27) is connected with a second elastic piece (271), and one end of the second elastic piece (271) far away from the single-flow partition board (27) is connected with a mounting ring (272).

7. The submersible pump with the filtering structure according to claim 1, wherein the surface of the filter plate (31) is provided with filter meshes (311), and the outer ring at the top of the filter plate (31) is connected with a sliding plate piece (32).

8. The submersible pump with the filtering structure according to claim 1, wherein the top of the pushing ring plate (33) is connected with a connecting plate (331), and both ends of the bottom of the connecting plate (331) are connected with a third elastic piece (332).

9. The submersible pump with the filtering structure according to claim 1, wherein the input end of the recoil pipe body (41) is communicated with a drainage bucket (411).

10. Submersible pump with a filter arrangement according to claim 1, characterized in that the outer surface of the micro valve body (42) is provided with an outer protective housing (421).