CN212631944U

CN212631944U - Nozzle rotation type high-pressure pump washes filter

Info

Publication number: CN212631944U
Application number: CN202021289542.2U
Authority: CN
Inventors: 李中秋
Original assignee: Cangzhou Xintianfang Environmental Protection Equipment Co ltd
Current assignee: Cangzhou Xintianfang Environmental Protection Equipment Co ltd
Priority date: 2020-07-03
Filing date: 2020-07-03
Publication date: 2021-03-02
Anticipated expiration: 2030-07-03

Abstract

The utility model discloses a nozzle rotation type high-pressure pump washing filter belongs to filter equipment technical field. The filter screen in the filter is fixed on the side wall of the cylinder body through a partition plate, and the water inlet and the water outlet are positioned on two sides of the partition plate. The inside of filter screen is provided with the soil pick-up assembly that clears up the filter screen, is provided with the drive mechanism who drives the soil pick-up assembly rotary sliding on the barrel. The inside of the collecting pipe of soil pick-up assembly is provided with the center tube, is provided with a plurality of spray pipe on the center tube, and the one end of spray pipe is provided with the nozzle towards the internal surface of filter screen, and the one end and the collecting pipe fixed connection of center tube, the other end of center tube lead to pipe to be connected with the high-pressure pump that sets up at the barrel surface. The utility model adopts the above structure nozzle rotation type high-pressure pump washes filter can solve the problem that current filter screen clearance is inconvenient, the clearance effect is poor.

Description

Nozzle rotation type high-pressure pump washes filter

Technical Field

The utility model belongs to the technical field of the filter equipment technique and specifically relates to a nozzle rotation type high-pressure pump washing filter is related to.

Background

The water resource of China is very short, the water resource is reasonably and effectively utilized, the production cost of enterprises can be reduced, and the method is beneficial to the nation and the people. Therefore, the wastewater generated in industrial production needs to be filtered to realize the recycling of the wastewater. The waste water often contains a large amount of large-particle impurities, and the large-particle impurities influence the normal work of the fine waste water treatment device, and are very important links for filtering the large-particle impurities contained in the waste water. The filter is internally provided with a filter screen for filtering impurities, the wastewater enters the cylinder body of the filter and is filtered by the filter screen, the impurities are attached to the inner surface of the filter screen, and the filtered water passes through the filter screen and is discharged through the water outlet. When the filter screen is cleaned by the conventional filter, the filter screen needs to be detached for cleaning, the filter screen is inconvenient to clean, and the working efficiency of the filter is reduced. The filter screen cleaning device is arranged in the filter screen of the existing filter, so that the inner surface of the filter screen is scrubbed, and the cleaning effect is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a nozzle rotation type high-pressure pump washes filter solves the problem that current filter screen clearance is inconvenient, the clearance effect is poor.

In order to achieve the purpose, the utility model provides a nozzle rotary type high-pressure pump washing filter, which comprises a cylinder body, wherein a filter screen is arranged inside the cylinder body, a water inlet and a water outlet are arranged on the cylinder body, the filter screen is fixed on the side wall of the cylinder body through a partition plate, and the water inlet and the water outlet are positioned at two sides of the partition plate;

a dirt suction assembly for cleaning the filter screen is arranged in the filter screen; the cylinder body is provided with a transmission mechanism which drives the sewage suction assembly to rotate and slide;

a sewage discharge chamber is arranged at one end of the barrel, a sewage discharge outlet is arranged at one end of the sewage discharge chamber away from the barrel, and an electromagnetic valve is arranged on the sewage discharge outlet;

the sewage suction assembly comprises a collecting pipe with two closed ends, one end of the collecting pipe is connected with the transmission mechanism, the other end of the collecting pipe is hermetically and rotatably connected with the filter screen and the cylinder body and extends out of the cylinder body to be inserted into the sewage discharge chamber, a sewage discharge hole is formed in the side wall of one end, located in the sewage discharge chamber, of the collecting pipe, a plurality of sewage suction pipes are arranged on the side surface of the collecting pipe and communicated with an inner cavity of the collecting pipe, a suction cap is arranged at one end, away from the collecting pipe, of each sewage suction pipe, a sewage suction hole is formed in the end head of each suction cap; the inside of collecting pipe is provided with the center tube, is provided with a plurality of spray pipe on the center tube, and the one end that the spray pipe passed the collecting pipe is provided with the nozzle, and the nozzle is towards the internal surface of filter screen, the one end and the collecting pipe fixed connection of center tube, and the other end of center tube leads to pipe to be connected with the high-pressure pump that sets up at the barrel surface.

Preferably, each spray pipe is provided with two nozzles, the two nozzles are symmetrically distributed on two sides of the spray pipe, and an acute angle included angle between each nozzle and the axis of the spray pipe is 30 degrees.

Preferably, the axes of the collecting pipe, the cylinder, the filter screen, the sewage discharging chamber and the sewage discharging port are on the same straight line.

Preferably, the transmission mechanism comprises a sleeve, one end of the sleeve is connected with the motor through a transmission shaft, a rotating shaft is arranged inside the sleeve, one end of the rotating shaft is provided with a limiting plate, a limiting block is arranged on the side surface of the limiting plate, a limiting groove II matched with the limiting block is arranged on the side wall of the sleeve, and the limiting block is inserted into the limiting groove II; a fixing nut is sleeved outside the rotating shaft, an external thread matched with the internal thread of the fixing nut is arranged on the outer surface of the rotating shaft, and the fixing nut is fixedly connected with the partition plate through a connecting rod; the other end of the rotating shaft extending out of the sleeve is fixedly connected with the collecting pipe.

Preferably, the transmission shaft sets up in the inside of motor cabinet, and the transmission shaft rotates with the barrel to be connected, and the motor passes through the motor cabinet to be fixed on the barrel, and the inside of motor cabinet is provided with the stop gear of restriction motor rotation direction.

Preferably, the limiting mechanism comprises a limiting nut, the limiting nut is sleeved on the transmission shaft, and an external thread matched with the internal thread of the limiting nut is arranged on the outer surface of the transmission shaft; a first limiting groove is formed in the inner wall of the motor base along the axial direction of the motor base, and a first limiting column matched with the first limiting groove is arranged on the limiting nut; travel switches are arranged on the inner wall of the motor base and are respectively positioned on two sides of the limiting nut.

A nozzle rotation type high-pressure pump washing filter, the inside of filter screen is provided with carries out the dirt absorbing assembly of clearing up to the filter screen, the inside center department of the collecting pipe of dirt absorbing assembly is provided with the center tube, the center tube is fixed on the collecting pipe for the blind pipe, be provided with the spray pipe on the center tube, be provided with two nozzles towards the filter screen on the spray pipe and be provided with the slope contained angle with the filter screen, the high-pressure pump sends the water under high pressure into the center tube through the water pipe in, then sprays the filter screen surface through the nozzle, washs the filter screen surface. The central tube is connected with the collecting tube in a synchronous rotating mode, so that the central tube drives the nozzle to comprehensively wash the filter screen, and the cleaning efficiency and effect of the filter screen are improved.

The technical solution of the present invention is further described in detail by the accompanying drawings and examples.

Drawings

FIG. 1 is a schematic structural view of an embodiment of a washing filter of a nozzle rotary high-pressure pump according to the present invention;

fig. 2 is a schematic view of a cross-sectional structure of a collecting pipe of an embodiment of a nozzle rotary high-pressure pump washing filter of the present invention.

Reference numerals

1. A motor; 2. a drive shaft; 3. a motor base; 4. a limit nut; 5. a limiting column; 6. a first limiting groove; 7. a barrel; 8. a sleeve; 9. a second limiting groove; 10. a limiting plate; 11. a rotating shaft; 12. a partition plate; 13. a connecting rod; 14. fixing a nut; 15. a filter screen; 16. positioning a rod; 17. a collection pipe; 18. a sewage suction pipe; 19. a suction cap; 20. a dirt suction hole; 21. a water spray pipe; 22. a central tube; 23. a sewage draining hole; 24. a high pressure pump; 25. a sewage discharge chamber; 26. a sewage draining outlet; 27. a water inlet; 28. a water outlet; 29. a water pipe; 30. and (4) a nozzle.

Detailed Description

Examples

Fig. 1 is a schematic structural view of an embodiment of the nozzle rotary high-pressure pump washing filter of the present invention. As shown in the figure, the nozzle rotary type high-pressure pump washing filter comprises a cylinder body 7, and lifting lugs for lifting are arranged on the outer surface of the cylinder body 7. A filter screen 15 is arranged in the barrel 7, one end of the filter screen 15 is fixed on the side wall of the barrel 7 through a partition plate 12, the other end of the filter screen 15 is sealed through a baffle plate, and the baffle plate is fixed at the end head of the barrel 7. The partition board 12 is fixedly connected with the inner wall of the cylinder 7 by welding, and the filter screen 15 is fixedly connected with the partition board 12 by screws. A positioning rod 16 is arranged between the bottom of the partition plate 12 and the bottom of the barrel 7, one end of the positioning rod 16 is fixedly connected with the barrel 7 in a welding mode, and the other end of the positioning rod 16 is fixedly connected with the partition plate 12 through a screw. The positioning rod 16 has a supporting function for the partition plate 12 on one hand and a positioning function for the partition plate 12 on the other hand, so that the partition plate 12 is convenient to mount. The side wall of the cylinder 7 is provided with a water inlet 27 and a water outlet 28, and the water inlet 27 and the water outlet 28 are respectively positioned at two sides of the partition board 12. The inside of filter screen 15 is provided with the soil pick-up assembly that clears up filter screen 15, is provided with the drive mechanism who drives the soil pick-up assembly rotary sliding on barrel 7.

A sewage discharge chamber 25 is arranged at one end of the cylinder body 7, and one end of the sewage discharge chamber 25 is fixedly connected with the cylinder body 7 in a welding way. The dirt suction assembly is provided with a dirt discharge hole 23 which is positioned in the dirt discharge chamber 25. A sewage draining outlet 26 is arranged at one end of the sewage draining chamber 25 far away from the cylinder body 7, and the sewage draining outlet 26, the sewage draining chamber 25 and the cylinder body 7 are coaxially arranged. The drain outlet 26 is provided with an electromagnetic valve for controlling the drain outlet 26 to be opened and closed, and the electromagnetic valve is connected with the control unit.

The sewage suction assembly comprises a collecting pipe 17 with two closed ends, the collecting pipe 17 can be a closed pipe body structure with two closed ends through baffle plates, and the baffle plates are fixedly connected with the collecting pipe 17 through screws or welding, so that the assembly in the collecting pipe 17 can be conveniently installed. The side of the collecting pipe 17 is provided with a plurality of sewage suction pipes 18, and the sewage suction pipes 18 can be uniformly distributed or distributed in a staggered way on the collecting pipe 17. The sewage suction pipe 18 is fixedly connected with the collecting pipe 17 in a welding mode, and the sewage suction pipe 18 is communicated with the inner cavity of the collecting pipe 17. One end of the sewage suction pipe 18, which is far away from the collecting pipe 17, is provided with a sewage suction cap 19, the end of the sewage suction cap 19 is provided with a sewage suction hole 20, and the sewage suction hole 20 faces the inner surface of the filter screen 15. The suction cap 19 covers the outside of the sewage suction pipe 18 and is fixedly connected with the sewage suction pipe 18 through screws. The sewage suction hole 20 is a strip-shaped hole, the length direction of the sewage suction hole 20 is parallel to the gap of the filter screen 15, and impurities adhered to the filter screen 15 are conveniently sucked into the sewage suction pipe 18 through the sewage suction hole 20 and then collected in the collecting pipe 17.

One end of the collecting pipe 17 is fixedly connected with the transmission mechanism. The other end of the collecting pipe 17 is connected with the cylinder body 7 in a sealing and rotating way and extends out of the cylinder body 7 to be inserted into the sewage discharging chamber 25. The sealing rotary connection mode can meet the requirement by selecting the existing structure, and the wastewater in the filter screen 15 is prevented from entering the sewage discharge chamber 25. The collecting pipe 17, the filter screen 15 and the cylinder 7 can be connected in a rotating way through a bearing, and sealing rings are arranged on two sides of the bearing. The collecting pipe 17 is provided with two sewage discharging holes 23 on the side wall of one end of the sewage discharging chamber 25, and the included angle between the two sewage discharging holes 23 is 180 degrees.

Fig. 2 is a schematic view of a cross-sectional structure of a collecting pipe of an embodiment of a nozzle rotary high-pressure pump washing filter of the present invention. As shown in the figure, a central tube 22 is disposed inside the collecting tube 17, a plurality of spray pipes 21 are disposed on the central tube 22, in this embodiment, a row of spray pipes 21 is disposed on the central tube 22, and the spray pipes 21 are uniformly distributed along the axial direction of the central tube 22. The center pipe 22 may be provided with a plurality of rows of the water jet pipes 21 as necessary. One end of the spray pipe 21 is fixedly connected and communicated with the central pipe 22 in a welding mode, the other end of the spray pipe 21 penetrates through the collecting pipe 17, a nozzle 30 is arranged at the end of the spray pipe, and the nozzle 30 faces the inner surface of the filter screen 15. The water spray pipe 21 and the collecting pipe 17 are sealed by an O-shaped rubber sealing ring. Two nozzles 30 are arranged on each spray pipe 21, the two nozzles 30 are symmetrically distributed on two sides of each spray pipe 21, and the acute angle included angle between each nozzle 30 and the axis of each spray pipe 21 is 30 degrees. The nozzle 30 sprays high-pressure water to the surface of the filter screen 15 in an inclined manner to wash off impurities adhered to the filter screen 15. One end of the central tube 22 is fixedly connected with the collecting tube 17 in a welding way and is a sealed blind end; the other end of the central tube 22 is connected to a high pressure pump 24 provided on the outer surface of the cylinder 7 through a water tube 29. The feed water pressure of the high-pressure pump 24 was 40 MPa. The water pipe 29 is a hose, the water pipe 29 penetrates through the side wall of the sewage chamber 25 and is connected with the central pipe 22 through a rotary joint, and the water pipe 29 and the side wall of the sewage chamber 25 are sealed through a rubber sealing ring. The swivel is of conventional construction so that the water pipe 29 is in rotary sealed communication with the central tube 22. Collecting pipe 17, center tube 22 and drain 26 coaxial setting, high-pressure pump 24 will wash water through pipe 29 send into the center tube 22 in, then spray the high-pressure water to filter screen 15 through spray pipe 21 and nozzle 30 on, center tube 22 rotates along with collecting pipe 17 is synchronous to drive nozzle 30 through spray pipe 21 and carry out comprehensive injection washing to filter screen 15.

The transmission mechanism comprises a sleeve 8, one end of the sleeve 8 is connected with the motor 1 through a transmission shaft 2, and two ends of the transmission shaft 2 are fixedly connected with the sleeve 8 and an output shaft of the motor 1 respectively. The sleeve 8 is located the inside of barrel 7, is connected through the bearing housing between transmission shaft 2 and the barrel 7, and the bearing housing passes through the fix with screw on barrel 7, rotates through the bearing between bearing housing and the transmission shaft 2 and is connected. A rubber sealing sleeve is arranged between the bearing sleeve and the transmission shaft 2, the sealing sleeve is fixed on the bearing sleeve through screws, the joint of the transmission shaft 2 and the cylinder body 7 is sealed, and waste water in the cylinder body 7 is prevented from flowing out.

The inside of sleeve 8 is provided with pivot 11, and the one end welded fastening of pivot 11 has limiting plate 10, and limiting plate 10 is circular structure. The side face of the limiting plate 10 is provided with a limiting block, the side wall of the sleeve 8 is provided with a second limiting groove 9 matched with the limiting block, and the limiting block is inserted into the second limiting groove 9. In this embodiment, the side wall of the sleeve 8 is provided with two elongated limiting grooves two 9 penetrating through the sleeve 8, one end of each limiting groove two 9 is communicated with the opening at the end of the sleeve 8, and the included angle between the two limiting grooves two 9 is 180 °. The outside cover of pivot 11 is equipped with fixation nut 14, is provided with the external screw thread with fixation nut 14's internal thread looks adaptation on the surface of pivot 11. The fixing nut 14 is fixedly connected with the partition plate 12 through a connecting rod 13, and one end of the connecting rod 13 is fixedly connected with the fixing nut 14 in a welding mode. The other end of the connecting plate is fixedly connected with the partition plate 12 through a screw. The connecting rods 13 are uniformly distributed outside the fixing nuts 14, the number of the connecting rods 13 is 3 in the embodiment, and a channel for waste water to enter the filter screen 15 is formed among the 3 connecting rods 13. The other end of the rotating shaft 11 is fixedly connected with the collecting pipe 17 through a screw.

Transmission shaft 2 sets up in the inside of motor cabinet 3, and motor 1 passes through motor cabinet 3 to be fixed on barrel 7, and the both ends of motor cabinet 3 pass through screw fixed connection with motor 1's casing and barrel 7 respectively. The inside of motor cabinet 3 is provided with the stop gear of restriction motor 1 rotation direction. Stop gear includes stop nut 4, and stop nut 4 cover is established on transmission shaft 2, is provided with the external screw thread with stop nut 4's internal thread looks adaptation on the surface of transmission shaft 2. The inner wall of the motor base 3 is provided with a first elongated limiting groove 6 along the axial direction, and the first limiting groove 6 can be one or multiple and is distributed in parallel with the first limiting grooves 6. And a limiting column 5 matched with the first limiting groove 6 is arranged on the limiting nut 4, and the limiting column 5 is welded and fixed on the limiting nut 4. The limiting column 5 is inserted in the limiting groove I6 and slides along the limiting groove I6, and provides a guiding effect for the movement of the limiting nut 4 on the transmission shaft 2. Two travel switches are arranged on the inner wall of the motor base 3 and are respectively positioned on two sides of the limit nut 4. The travel switch and the motor 1 are connected with the control unit, and the electrical connection mode of the travel switch, the motor 1, the high-pressure pump 24 and the electromagnetic valve with the control unit is the conventional technology.

When the filter screen 15 needs to be cleaned, the motor 1 is started, the high-pressure pump 24 and the electromagnetic valve are simultaneously opened under the action of the control unit, the motor 1 drives the sleeve 8 to rotate through the transmission shaft 2, the sleeve 8 drives the rotating shaft 11 to synchronously rotate through the limiting block and the limiting groove II 9, the rotating shaft 11 is meshed with the fixing nut 14, so that the rotating shaft 11 drives the collecting pipe 17 to slide in the filter screen 15, and the central pipe 22 and the collecting pipe 17 synchronously rotate; the high-pressure pump 24 sprays high-pressure water through the nozzle 30 to the filter screen 15 to wash out impurities adhered to the filter screen 15. The impurities on the surface of the filter screen 15 and the flushed impurities enter the sewage suction pipe 18 through the sewage suction hole 20 under the action of the pipeline pressure, then are discharged into the sewage discharge chamber 25 through the sewage discharge hole 23 at the end of the collecting pipe 17, and finally are discharged from the sewage discharge port 26. Under the action of the stroke switch and the limit nut 4, the collecting pipe 17 drives the sewage suction pipe 18 to perform reciprocating rotary movement on the inner surface of the filter screen 15, and the filter screen 15 is cleaned in a reciprocating manner. After cleaning, the motor 1 stops working, and the solenoid valve and the high-pressure pump 24 also stop working under the action of the control unit. The sewage suction pipe 18 does not influence the filtering treatment of the filter screen 15 on the waste water when the filter screen 15 is cleaned, and the working efficiency of the filter is improved.

In order to improve the automation effect of the filter, a differential pressure sensor can be arranged at the water inlet 27 and the water outlet 28, and the differential pressure sensor is connected with the control unit and used for detecting the pressure difference between the water inlet 27 and the water outlet 28, so that the permeation effect of the filter screen 15 is reflected, namely the amount of impurities adhered to the filter screen 15 is large, and the motor 1 is automatically started under the action of the control unit to remove the dirt of the filter screen 15. The electrical connection mode of the differential pressure sensor and the control unit is the existing mature technology, which is not the key point of the application and is not repeated herein.

Therefore, the utility model adopts the above structure nozzle rotation type high-pressure pump washes filter can solve the problem that current filter screen clearance is inconvenient, the clearance effect is poor.

The above are specific embodiments of the present invention, but the scope of protection of the present invention should not be limited thereto. Any changes or substitutions which can be easily conceived by those skilled in the art within the technical scope of the present invention are covered by the protection scope of the present invention, and therefore, the protection scope of the present invention is subject to the protection scope defined by the claims.

Claims

1. The utility model provides a nozzle rotation type high-pressure pump washing filter, includes the barrel, and the inside of barrel is provided with the filter screen, is provided with water inlet and delivery port on the barrel, its characterized in that: the filter screen is fixed on the side wall of the cylinder body through a partition plate, and the water inlet and the water outlet are positioned on two sides of the partition plate;

2. The nozzle rotary high pressure pump flush filter of claim 1, wherein: each spray pipe is provided with two nozzles, the two nozzles are symmetrically distributed on two sides of the spray pipe, and the acute angle included angle between each nozzle and the axis of the spray pipe is 30 degrees.

3. The nozzle rotary high pressure pump flush filter of claim 1, wherein: the axes of the collecting pipe, the cylinder, the filter screen, the sewage discharging chamber and the sewage discharging port are on the same straight line.

4. The nozzle rotary high pressure pump flush filter of claim 1, wherein: the transmission mechanism comprises a sleeve, one end of the sleeve is connected with the motor through a transmission shaft, a rotating shaft is arranged in the sleeve, one end of the rotating shaft is provided with a limiting plate, a limiting block is arranged on the side surface of the limiting plate, a limiting groove II matched with the limiting block is arranged on the side wall of the sleeve, and the limiting block is inserted in the limiting groove II; a fixing nut is sleeved outside the rotating shaft, an external thread matched with the internal thread of the fixing nut is arranged on the outer surface of the rotating shaft, and the fixing nut is fixedly connected with the partition plate through a connecting rod; the other end of the rotating shaft extending out of the sleeve is fixedly connected with the collecting pipe.

5. The nozzle rotary high pressure pump flush filter of claim 4, wherein: the transmission shaft sets up in the inside of motor cabinet, and the transmission shaft rotates with the barrel to be connected, and the motor passes through the motor cabinet to be fixed on the barrel, and the inside of motor cabinet is provided with the stop gear of restriction motor rotation direction.

6. The nozzle rotary high pressure pump flush filter of claim 5, wherein: the limiting mechanism comprises a limiting nut, the limiting nut is sleeved on the transmission shaft, and an external thread matched with the internal thread of the limiting nut is arranged on the outer surface of the transmission shaft; a first limiting groove is formed in the inner wall of the motor base along the axial direction of the motor base, and a first limiting column matched with the first limiting groove is arranged on the limiting nut; travel switches are arranged on the inner wall of the motor base and are respectively positioned on two sides of the limiting nut.