CN220802282U

CN220802282U - Backwashing filter

Info

Publication number: CN220802282U
Application number: CN202322363948.0U
Authority: CN
Inventors: 刘国兴; 赵道雄; 赵坤念
Original assignee: Wuxi Inote Filtration System Co ltd
Current assignee: Wuxi Inote Filtration System Co ltd
Priority date: 2023-08-31
Filing date: 2023-08-31
Publication date: 2024-04-19
Anticipated expiration: 2033-08-31

Abstract

The utility model discloses a backwashing filter, which relates to the technical field of filters and comprises a filter tank, wherein a first rotating plate is rotatably arranged in an inner cavity of the filter tank, a driving assembly for driving the first rotating plate to rotate is arranged on the filter tank, the ring surface of the first rotating plate is attached to the cavity wall of the filter tank, a plurality of circumferentially distributed filter elements are vertically arranged on the first rotating plate, the top end of each filter element is sealed, and the bottom end of each filter element is an opening and penetrates through the first rotating plate; the filter tank is provided with a clean blow-down pipe below the first rotating plate, and the bottom of the filter tank is provided with a conventional blow-down pipe; according to the utility model, a plurality of filter elements are arranged for high-efficiency filtration, the first rotating plate is rotated by the driving assembly, so that the opening of the blocked filter element is overlapped with the pipe orifice of the cleaning sewage pipe, at the moment, the cleaning water filtered by other filter elements enters the filter element from the outside due to pressure difference, so that impurities attached to the filter element are cleaned, and the impurities are discharged from the cleaning sewage pipe, thereby completing the cleaning of the blocked filter element.

Description

Backwashing filter

Technical Field

The utility model relates to the technical field of filters, in particular to a backwashing filter.

Background

A filter is an indispensable device on a medium conveying pipeline, and is usually arranged at an inlet end device of a pressure reducing valve, a pressure relief valve and a water level setting valve of other equipment of a square filter. The filter consists of a cylinder body, a stainless steel filter screen, a sewage discharging part, a transmission device and an electric control part. After the water to be treated passes through the cartridge of the filter screen, its impurities are blocked.

The application of the filter is very extensive, for example in some watering carts, when carrying out the operation, in order to prevent debris in the water from blockking up the shower nozzle and influencing the spraying effect, need to filter out debris in the water, current partial filter filters the back for a long time, and the impurity can block up the filter, influences the filter effect, need demolish the filter and wash, and is very inconvenient, in view of this, needs a back flush filter urgently.

Disclosure of utility model

The present utility model solves the problems of the prior art with the following technical structure.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

The back flushing filter comprises a filter tank, wherein a first rotating plate is rotatably installed in the filter tank, a driving assembly for driving the first rotating plate to rotate is installed on the filter tank, the annular surface of the first rotating plate is attached to the cavity wall of the filter tank, a plurality of circumferentially distributed filter elements are vertically installed on the first rotating plate, the top end of each filter element is sealed, and the bottom end of each filter element is provided with an opening and penetrates through the first rotating plate;

the filter tank is provided with an outlet pipe above the first rotating plate, the filter tank is provided with an inlet pipe and a cleaning drain pipe below the first rotating plate, the bottom of the filter tank is provided with a conventional drain pipe, and the outlet pipe, the inlet pipe, the cleaning drain pipe and the conventional drain pipe are all communicated with the inner cavity of the filter tank;

One end of the cleaning blow-off pipe extends to the inner cavity of the filter tank and is attached to the bottom surface of the first rotating plate;

When the first rotating plate rotates, the openings of the filter element are overlapped with the pipe orifice of the cleaning drain pipe in turn.

It is further characterized in that,

The filter tank comprises a top cover, a bottom plate and a tank body, wherein the top cover is arranged at the top end of the tank body through bolts, and the bottom plate is arranged at the bottom end of the tank body through bolts.

The second rotating plates are arranged at the top ends of the filter elements, and the ring surfaces of the second rotating plates are attached to the cavity wall of the filter tank.

The driving assembly comprises a central shaft and a driving motor, the central shaft extends from the bottom end of the bottom plate to the inner cavity of the filter tank and is coaxially connected with the first rotating plate and the second rotating plate, the driving motor is installed at the bottom end of the bottom plate, and the output end of the driving motor is coaxially connected with the central shaft.

And a suction nozzle is arranged at one end of the cleaning blow-off pipe, which is close to the first rotating plate.

The structure of the utility model can achieve the following beneficial effects:

through setting up a plurality of filter cores and carrying out high-efficient filtration to make first rotating plate rotate through drive assembly, make the opening of jam filter core and clean blow off pipe's mouth of pipe coincidence, because there is pressure differential this moment, other filter core filterable clean water can get into inside from the outside of this filter core, makes the impurity of attaching in this filter core inside be cleared up, discharges from clean blow off pipe, accomplishes the cleanness to the jam filter core.

Drawings

Fig. 1 is a schematic structural diagram of the present embodiment.

In the figure: 1. a filter tank; 11. an outlet tube; 12. an inlet pipe; 13. cleaning a sewage drain pipe; 131. a suction nozzle; 14. a conventional blow-down pipe; 15. a top cover; 16. a bottom plate; 17. a tank body; 2. a first rotating plate; 3. a filter element; 4. a second rotating plate; 5. a central shaft; 6. and driving the motor.

Detailed Description

The first embodiment, refer to a back flushing filter shown in fig. 1, including a filter tank 1, a first rotating plate 2 is installed in the inner rotation of the filter tank 1, a driving component for driving the first rotating plate 2 to rotate is installed on the filter tank 1, the ring surface of the first rotating plate 2 is attached to the cavity wall of the filter tank 1, a plurality of circumferentially distributed filter elements 3 are vertically installed on the first rotating plate 2, and filter elements with the diameter of 20 mm can be adopted, so that the filtering effect is better, the top end (the top end direction is right above when the filter tank 1 is normally used) of each filter element 3 is sealed, and the bottom end of each filter element 3 is an opening and penetrates through the first rotating plate 2;

The filtering tank 1 is provided with an outlet pipe 11 above the first rotating plate 2, the filtering tank 1 is provided with an inlet pipe 12 and a cleaning sewage pipe 13 below the first rotating plate 2, the bottom of the filtering tank 1 is provided with a conventional sewage pipe 14, and the outlet pipe 11, the inlet pipe 12, the cleaning sewage pipe 13 and the conventional sewage pipe 14 are all communicated with the inner cavity of the filtering tank 1;

One end of the cleaning drain pipe 13 extends to the inner cavity of the filter tank 1, a suction nozzle 131 is arranged at one end of the cleaning drain pipe 13, which is close to the first rotating plate 2, and the suction nozzle 131 is attached to the bottom surface of the first rotating plate 2;

Wherein, when the first rotating plate 2 rotates, the opening of the filter element 3 is overlapped with the pipe orifice of the cleaning drain pipe 13 in turn.

In the actual use process, sewage enters the filter tank 1 from the inlet pipe 12, heavier impurity sludge and the like fall into the bottom of the filter tank 1, are discharged from the conventional sewage discharge pipe 14, and the other parts enter the filter element 3 from the opening of the filter element 3 for filtering, and clean water filtered by the filter element 3 is discharged from the outlet pipe 11; when the filter element 3 is blocked by impurities, the first rotating plate 2 is rotated by the driving assembly, the opening of the filter element 3 is overlapped with the pipe orifice of the cleaning drain pipe 13, and at the moment, due to the pressure difference, the cleaning water filtered by other filter elements 3 can enter the filter element 3 from the outside, so that the impurities attached to the filter element 3 are cleaned, and are discharged from the cleaning drain pipe 13, thereby completing the cleaning of the blocked filter element 3.

Further optimized is, in order to accurate timely clean the filter core 3 that blocks up, through setting up differential pressure transmitter, monitor the internal and external pressure of filter core 3, when differential pressure grow, filter core 3 is blocked promptly, through the cleanness of above-mentioned mode to the filter core 3 that blocks up, in addition can also regularly drive first rotor plate 2 through control drive assembly and rotate, regularly clear up a plurality of filter cores 3 in proper order, make ensure that filter core 3 normally works all the time, make the filtration efficiency who further improves this device.

The filter tank 1 comprises a top cover 15, a bottom plate 16 and a tank body 17, wherein the top cover 15 is arranged at the top end of the tank body 17 through bolts, and the bottom plate 16 is arranged at the bottom end of the tank body 17 through bolts.

In the actual use process, the top cover 15 and the bottom plate 16 are fixed on the tank 17 through bolts, so that the tank is convenient to detach for maintenance and cleaning.

The second rotating plate 4 is installed on the top of a plurality of filter cores 3, the anchor ring of second rotating plate 4 is laminated with the chamber wall of filtration jar 1, set up second rotating plate 4, further improve the stability of filter core 3 installation, drive assembly includes center pin 5 and driving motor 6, center pin 5 extends to filtration jar 1 inner chamber and with first rotating plate 2 and second rotating plate 4 coaxial coupling from the bottom of bottom plate 16, driving motor 6 installs in the bottom of bottom plate 16, driving motor 6's output and center pin 5 coaxial coupling.

In the actual use process, the driving motor 6 drives the central shaft 5 to rotate, so that the first rotating plate 2 and the second rotating plate 4 are controlled to rotate.

In addition, in order to further optimize the performance of the device, the annular surfaces of the first rotating plate 2 and the second rotating plate 4 are respectively provided with an O-shaped sealing ring.

The working principle of the utility model is as follows: the first rotating plate 2 is rotated by the driving component, so that the opening of the blocking filter element 3 is overlapped with the pipe orifice of the cleaning drain pipe 13, at the moment, the cleaning water filtered by other filter elements 3 can enter the filter element 3 from the outside due to pressure difference, so that impurities attached to the filter element 3 are cleaned, and the impurities are discharged from the cleaning drain pipe 13, thereby completing the cleaning of the blocking filter element 3;

And this device through set up a plurality of filter cores 3 on first rotor plate 2, and sewage gets into the inside filter core 3 from the one end of filter core 3 and filters, compact structure, filtration area is big, and the cleaning performance is good to area is little.

The above is only a preferred embodiment of the present utility model, and the present utility model is not limited to the above examples. It is to be understood that other modifications and variations which may be directly derived or contemplated by those skilled in the art without departing from the spirit and concepts of the present utility model are deemed to be included within the scope of the present utility model.

Claims

1. The back flushing filter is characterized by comprising a filter tank (1), wherein a first rotating plate (2) is rotatably arranged in the filter tank (1), a driving component for driving the first rotating plate (2) to rotate is arranged on the filter tank (1), the annular surface of the first rotating plate (2) is attached to the cavity wall of the filter tank (1), a plurality of circumferentially distributed filter elements (3) are vertically arranged on the first rotating plate (2), the top end of each filter element (3) is sealed, and the bottom end of each filter element (3) is provided with an opening and penetrates through the first rotating plate (2);

The filter tank (1) is provided with an outlet pipe (11) above the first rotating plate (2), the filter tank (1) is provided with an inlet pipe (12) and a cleaning drain pipe (13) below the first rotating plate (2), the bottom of the filter tank (1) is provided with a conventional drain pipe (14), and the outlet pipe (11), the inlet pipe (12), the cleaning drain pipe (13) and the conventional drain pipe (14) are all communicated with the inner cavity of the filter tank (1);

One end of the cleaning blow-off pipe (13) extends to the inner cavity of the filtering tank (1) and is attached to the bottom surface of the first rotating plate (2);

When the first rotating plate (2) rotates, the openings of the filter elements (3) are overlapped with the pipe orifice of the cleaning drain pipe (13) in turn.

2. A backflushing filter according to claim 1 wherein: the filtering tank (1) comprises a top cover (15), a bottom plate (16) and a tank body (17), wherein the top cover (15) is installed at the top end of the tank body (17) through bolts, and the bottom plate (16) is installed at the bottom end of the tank body (17) through bolts.

3. A backflushing filter according to claim 2 wherein: the top ends of the filter elements (3) are provided with second rotating plates (4), and the ring surfaces of the second rotating plates (4) are attached to the cavity wall of the filter tank (1).

4. A backflushing filter according to claim 3 wherein: the driving assembly comprises a central shaft (5) and a driving motor (6), the central shaft (5) extends from the bottom end of the bottom plate (16) to the inner cavity of the filtering tank (1) and is coaxially connected with the first rotating plate (2) and the second rotating plate (4), the driving motor (6) is installed at the bottom end of the bottom plate (16), and the output end of the driving motor (6) is coaxially connected with the central shaft (5).

5. A backflushing filter according to claim 1 wherein: and a suction nozzle (131) is arranged at one end of the cleaning blow-off pipe (13) close to the first rotating plate (2).