CN219050542U - Multi-stage filter with self-cleaning function - Google Patents
Multi-stage filter with self-cleaning function Download PDFInfo
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- CN219050542U CN219050542U CN202222219125.6U CN202222219125U CN219050542U CN 219050542 U CN219050542 U CN 219050542U CN 202222219125 U CN202222219125 U CN 202222219125U CN 219050542 U CN219050542 U CN 219050542U
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Abstract
The utility model relates to the technical field of filtering equipment, in particular to a multi-stage filter with a self-cleaning function, which comprises an upper shell, N middle shells and a lower shell which are sequentially connected from top to bottom; n is more than or equal to 0; a driving device is connected above the upper shell, a rotating shaft is arranged below the driving device, the rotating shaft sequentially penetrates through the upper shell and N middle shells and is connected to the bottom of the lower shell, and a water inlet and a differential pressure switch are arranged on the side wall of the upper shell; the water outlet is formed in the side wall of the lower shell, a filter screen and a plurality of rotating brushes for cleaning the filter screen are arranged in the upper shell, the N middle shells and the lower shell, the rotating brushes are arranged on the rotating shaft, electric valves are arranged on the side walls of the upper shell, the N middle shells and the lower shell, and the electric valves are respectively connected with the inner sides of the filter screen. The utility model has the advantages of graded filtration, good filtration effect and energy conservation.
Description
Technical Field
The utility model relates to the technical field of filtering equipment, in particular to a multi-stage filter with a self-cleaning function.
Background
Filtration is an important link in the water treatment process, and various filters are currently applied to water treatment projects such as drinking water purification, sewage treatment, reclaimed water utilization, industrial circulating water treatment, boiler water softening and the like. The filter mainly comprises a cylinder body, a filter screen, a pollution discharge part, a transmission device and an electric control part, wherein the filter screen is used for directly intercepting impurities in water, removing suspended matters and particulate matters in the water, reducing turbidity, reducing system dirt, bacteria and algae, rust and the like, and purifying water quality and protecting other equipment of the system from normal operation.
The inside one deck filter screen that only is provided with of traditional filter, when filtering sewage impurity is more, the size and the morphological difference of impurity are very big, the filter treatment effect of individual layer filter screen is relatively poor, and the filter screen bore is too big can lead to filtering water impurity more, and the filter screen bore is less, and the impurity blocks up the filter screen easily, makes the pressure of intaking increase, the water yield reduces, influences the normal work of filter. If two-stage or multi-stage filters are used in series stage by stage, the method not only has large investment and more occupied area, but also has the defect of large complicated power consumption of process pipelines, is often limited by the sites during relative installation, and is very inconvenient to apply.
Disclosure of Invention
In order to solve the defects in the prior art, the utility model provides a multi-stage filter with a self-cleaning function.
In order to achieve the above purpose, the technical scheme of the utility model is as follows: a multi-stage filter with a self-cleaning function comprises an upper shell, N middle shells and a lower shell which are sequentially connected from top to bottom; n is more than or equal to 0; a driving device is connected above the upper shell, a rotating shaft is arranged below the driving device, the rotating shaft sequentially penetrates through the upper shell and N middle shells and is connected to the bottom of the lower shell, and a water inlet and a differential pressure switch are arranged on the side wall of the upper shell; the water outlet is formed in the side wall of the lower shell, a filter screen and a plurality of rotating brushes for cleaning the filter screen are arranged in the upper shell, the N middle shells and the lower shell, the rotating brushes are arranged on the rotating shaft, electric valves are arranged on the side walls of the upper shell, the N middle shells and the lower shell, and the electric valves are respectively connected with the inner sides of the filter screen.
Further, a coupling is arranged between the driving device and the rotating shaft.
Further, a control box is arranged on one side of the driving device.
Further, the driving device, the upper shell, the N middle shells and the lower shell are connected through flanges.
Further, the number of rotating brushes in each of the upper housing, the N middle housings and the lower housing is two, and the rotating brushes rotate around the rotating shaft.
Further, the caliber of the filter screen is sequentially reduced from top to bottom.
Further, the filter screens are trapezoid silk filter screens.
Further, the side walls of the N middle shells and the N lower shells are respectively provided with a differential pressure switch.
Further, a rotating shaft fixing device is arranged at the bottom of the lower shell, and the rotating shaft is arranged in the rotating shaft fixing device.
Further, a plurality of supporting legs are arranged below the lower shell.
The beneficial effects achieved by the utility model are as follows:
the utility model has simple structure and small occupied space, can realize two-stage or multi-stage synchronous integrated series filtration through two or more filter screens connected in series, and the upper shell, the middle shell and the lower shell are connected in a sealing way through flanges, thereby being convenient for the whole disassembly and maintenance; the aperture of the filter screen is gradually reduced from top to bottom, so that the occurrence of faults of frequent damage caused by overload of the monopole impurity mixing filter is avoided, the flow and the process of the series operation of a plurality of monopole filters are simplified, the resource waste is saved, and the filter screen can be widely used for the water quality purification treatment of mixing various impurities; the filter screen is cleaned by driving the rotating brushes by the driving device, so that the cleaning efficiency is high, and meanwhile, the energy is saved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is a schematic top view of the present utility model;
FIG. 3 is a schematic view of the upper housing structure;
fig. 4 is a schematic view of a rotating brush structure.
The figure indicates: 1. a driving device; 2. a coupling; 3. a flange; 4. an upper housing; 5. a differential pressure switch; 6. rotating brush; 7. a bottom sealing plate; 8. a water outlet; 9. a lower housing; 10. a rotation shaft fixing device; 11. support legs; 12. a rotating shaft; 13. a water inlet; 14. a filter screen; 15. an electric valve; 16. a control box; 17. a bottom shaft hole, 18 and a slag discharging pipe; 19. a shaft sleeve; 20. a fixing frame; 21. and a circular plate.
Detailed Description
For a better understanding of the objects, structure and function of the present utility model, a multi-stage filter with self-cleaning function according to the present utility model will be described in further detail with reference to the accompanying drawings.
Example 1:
as shown in fig. 1 to 4, a multi-stage filter with a self-cleaning function includes a driving device 1, an upper housing 4 and a lower housing 9 which are sequentially connected from top to bottom, and the driving device 1, the upper housing 4 and the lower housing 9 are respectively connected together through flanges 3.
One side of the driving device 1 is provided with a control box 16 for controlling the driving device 1 to rotate, a rotating shaft 12 is connected below the driving device 1 through a coupler 2, the driving device 1 controls the rotating shaft 12 to rotate at a certain rotating speed, and the other end of the rotating shaft 12 penetrates through the upper shell 4 and is arranged at the bottom of the lower shell 9.
The lower part of the driving device 1 is hermetically connected with an upper shell 4 through a flange 3, a filter screen 14 is arranged in the upper shell 4, the upper end of the filter screen 14 is connected to a circular plate 21 at the upper part in the upper shell 4, the lower end of the filter screen 14 is connected to a bottom sealing plate 7 arranged at the lower part in the upper shell 4, a bottom shaft hole 17 is arranged at the central position of the bottom sealing plate 7, a rotating shaft 12 penetrates through the bottom shaft hole 17, a fixing frame 20 is arranged at the outer side of the rotating shaft 12 in the upper shell 4, shaft sleeves 19 are arranged at the central positions of the upper and lower frames of the fixing frame 20, the rotating shaft 12 penetrates through the shaft sleeves 19 on the fixing frame 20 to fix the fixing frame 20 on the rotating shaft 12, rotating brushes 6 are arranged at the outer sides of the frames at the left and right sides of the fixing frame 20, brush bristles of the rotating brushes 6 are close to the filter screen 14, and when the driving device 1 drives the rotating shaft 12 to rotate along with the rotating shaft 12, the fixing frame 20 rotates together with the rotating shaft 12, and the rotating brushes 6 at the left and right sides of the fixing frame 20 wash impurities attached to the filter screen 14.
The upper shell 4 is provided with a water inlet 13 on the upper outer side wall, and the height of the water inlet 13 is higher than the horizontal height of the annular plate 21 inside the upper shell 4. The outer side wall of the upper shell 4 is also provided with a differential pressure switch 5, two pipelines of the differential pressure switch 5 are respectively communicated with the sewage before filtration and the sewage after filtration, and the differential pressure switch 5 can balance the pressure difference between the sewage before filtration and the sewage after filtration and protect the filter screen 14 from being damaged. The outer side wall below the upper shell 4 is provided with a slag discharging pipe 18, one end of the slag discharging pipe 18 extends into the bottom of the upper shell 4 and is communicated with sewage before filtration, the other end of the slag discharging pipe 18 is provided with an electric valve 15, and impurities of the filter screen 14 cleaned by the rotating brush 6 are discharged out of the upper shell 4 through the slag discharging pipe 18 and the electric valve 15.
The lower part of the upper shell 4 is connected with a lower shell 9 in a sealing way through a flange 3, a rotating shaft fixing device 10 is arranged at the bottom of the lower shell 9, and the lower end of a rotating shaft 12 is arranged in the rotating shaft fixing device 10. The filter screen 14 is arranged in the lower shell 9, the fixing frame 20 is arranged on the outer side of the rotating shaft 12 in the lower shell 9, the shaft sleeves 19 are arranged in the center positions of the upper frame and the lower frame of the fixing frame 20, the rotating shaft 12 penetrates through the shaft sleeves 19 on the fixing frame 20 to fix the fixing frame 20 on the rotating shaft 12, the rotating brushes 6 are arranged on the outer sides of the frames on the left side and the right side of the fixing frame 20, bristles of the rotating brushes 6 are close to the filter screen 14, and when the driving device 1 drives the rotating shaft 12 to rotate, the fixing frame 20 rotates along with the rotating shaft 12, and impurities attached to the filter screen 14 are cleaned by the bristles on the left side and the right side of the fixing frame 20.
The bottom of the lower housing 9 is provided with three support legs 11. The outer side wall of the lower shell 9 is provided with a water outlet 8, the outer wall below the lower shell 9 is provided with a slag discharging pipe 18, one end of the slag discharging pipe 18 extends into the bottom of the lower shell 9 and is communicated with sewage before filtration, the other end of the slag discharging pipe 18 is provided with an electric valve 15, and impurities of the filter screen 14 cleaned by the rotating brush 6 are discharged out of the lower shell 9 through the slag discharging pipe 18 and the electric valve 15.
When the sewage treatment device works, sewage flows into the upper shell 4 from the water inlet 13, large solid impurities are filtered by the filter screen 14 in the upper shell 4 and then enter the lower shell 9, small solid impurities are filtered by the filter screen 14 in the lower shell 9, and filtered water flows out from the water outlet 8. During the filtration, the driving device 1 always drives the rotary brush 6 to rotate so as to clean the impurities attached to the filter screen 14, and the cleaned impurities are discharged out of the shell through the slag discharging pipe 18 and the electric valve 15, so that the continuous operation of the equipment is ensured. The driving device 1 drives the rotating brushes 6 in the upper shell 4 and the lower shell 9 to rotate at the same time, so that the energy consumption is reduced.
Example 2:
the multistage filter with the self-cleaning function comprises a driving device 1, an upper shell 4, a middle shell and a lower shell 9 which are sequentially connected from top to bottom, wherein the driving device 1, the upper shell 4, the middle shell and the lower shell 9 are respectively connected together through flanges 3, and the overall structure of the driving device 1, the upper shell 4 and the lower shell 9 is the same as that of the embodiment 1.
The lower part of the upper shell 4 is connected with a middle shell in a sealing way through a flange 3, and the lower part of the middle shell is connected with a lower shell 9 in a sealing way through the flange 3. The filter screen 14 is arranged in the middle shell, the fixing frame 20 is arranged on the outer side of the rotating shaft 12 in the middle shell, the shaft sleeves 19 are arranged in the center positions of the upper frame and the lower frame of the fixing frame 20, the rotating shaft 12 penetrates through the shaft sleeves 19 on the fixing frame 20 to fix the fixing frame 20 on the rotating shaft 12, the rotating brushes 6 are arranged on the outer sides of the frames on the left side and the right side of the fixing frame 20, bristles of the rotating brushes 6 are close to the filter screen 14, and when the driving device 1 drives the rotating shaft 12 to rotate, the fixing frame 20 rotates along with the rotating shaft 12, and impurities attached to the filter screen 14 are cleaned by the bristles on the left side and the right side of the fixing frame 20.
Example 3:
the multistage filter with the self-cleaning function comprises a driving device 1, an upper shell 4, two middle shells and a lower shell 9 which are sequentially connected from top to bottom, wherein the driving device 1, the upper shell 4, the two middle shells and the lower shell 9 are respectively connected together through a flange 3, the overall structure of the driving device 1, the upper shell 4 and the lower shell 9 is the same as that of the embodiment 1, and the structure of the middle shells is the same as that of the embodiment 2.
The lower part of the upper shell 4 is connected with a first middle shell through a flange 3 in a sealing way, the lower part of the first middle shell is connected with a second middle shell through a flange 3 in a sealing way, and the lower part of the second middle shell is connected with a lower shell 9 through a flange 3 in a sealing way.
It will be understood that the utility model has been described in terms of several embodiments, and that various changes and equivalents may be made to these features and embodiments by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.
Claims (10)
1. A multistage filter with self-cleaning function, characterized in that: comprises an upper shell (4), N middle shells and a lower shell (9) which are sequentially connected from top to bottom; n is more than or equal to 0; the upper shell (4) is connected with a driving device (1), a rotating shaft (12) is arranged below the driving device (1), the rotating shaft (12) sequentially penetrates through the upper shell (4) and N middle shells to be connected to the bottom of the lower shell (9), and a water inlet (13) and a pressure difference switch (5) are arranged on the side wall of the upper shell (4); be provided with delivery port (8) on lower casing (9) lateral wall, casing and lower casing (9) are inside all to be provided with filter screen (14) and to wash a plurality of filter screen (14) in last casing (4), N change brush (6) and all set up on axis of rotation (12), all be provided with electric valve (15) on last casing (4), N in casing and the lower casing (9) lateral wall, electric valve (15) are connected respectively the inboard of filter screen (14).
2. A multi-stage filter with self-cleaning function according to claim 1, wherein: a coupling (2) is arranged between the driving device (1) and the rotating shaft (12).
3. A multi-stage filter with self-cleaning function according to claim 1, wherein: a control box (16) is arranged on one side of the driving device (1).
4. A multi-stage filter with self-cleaning function according to claim 1, wherein: the driving device (1), the upper shell (4), the N middle shells and the lower shell (9) are connected through flanges (3).
5. A multi-stage filter with self-cleaning function according to claim 1, wherein: the number of rotating brushes (6) in each of the upper shell (4), the N middle shells and the lower shells (9) is two, and the rotating brushes (6) rotate around the rotating shaft (12).
6. A multi-stage filter with self-cleaning function according to claim 1, wherein: the caliber of the filter screen (14) is sequentially reduced from top to bottom.
7. A multi-stage filter with self-cleaning function according to claim 1, wherein: the filter screens (14) are trapezoid silk filter screens (14).
8. A multi-stage filter with self-cleaning function according to claim 1, wherein: and pressure difference switches (5) are arranged on the side walls of the N middle shells and the lower shells (9).
9. A multi-stage filter with self-cleaning function according to claim 1, wherein: the bottom of the lower shell (9) is provided with a rotating shaft fixing device (10), and the rotating shaft (12) is arranged in the rotating shaft fixing device (10).
10. A multi-stage filter with self-cleaning function according to claim 1, wherein: a plurality of supporting legs (11) are arranged below the lower shell (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222219125.6U CN219050542U (en) | 2022-08-23 | 2022-08-23 | Multi-stage filter with self-cleaning function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222219125.6U CN219050542U (en) | 2022-08-23 | 2022-08-23 | Multi-stage filter with self-cleaning function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219050542U true CN219050542U (en) | 2023-05-23 |
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ID=86371677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222219125.6U Active CN219050542U (en) | 2022-08-23 | 2022-08-23 | Multi-stage filter with self-cleaning function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219050542U (en) |
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2022
- 2022-08-23 CN CN202222219125.6U patent/CN219050542U/en active Active
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