Scraper filter flushing device

Abstract

The utility model provides a flushing device for a scraper filter. The flushing device comprises a mounting base and a flushing device, the outer cylinder is arranged on one side of the mounting base; the filter screen is of a cylindrical structure, the filter screen and the outer cylinder are coaxially arranged on the mounting base, the filter screen is arranged on the inner side of the outer cylinder, and the outer cylinder is divided into an inner area and an outer area; the scraping plate is of an annular structure and is annularly arranged on the outer side of the filter screen; and the rotating device is arranged on the inner side of the filter screen, and the rotating device is provided with a rotating shaft which is arranged on the central shaft of the outer cylinder in a penetrating manner. The liquid can be driven to flow by rotating the impeller so as to discharge blocking particles, and in addition, the filter screen can be automatically cleaned, so that the labor cost of personnel can be reduced so as to improve the production efficiency.

Description

Technical Field

[0001] The utility model relates to a filtering device, in particular to a scraper filter flushing device. Background Art

[0002] In recent years, as the pace of development of my country's filtration equipment in the new energy battery industry has accelerated, the room for improvement of equipment will be further improved, and at the same time, it is facing severe challenges that must meet the requirements of rational use of resources, energy conservation and consumption reduction, and environmental protection. While complying with the scale economy and variety diversification of equipment, filtration equipment must develop towards automatic control mechatronics.

[0003] Based on the requirements of reducing the overall cost of products, reducing maintenance costs and increasing the average maintenance interval of equipment, the operating life of equipment is increased. Based on meeting the requirements of hygiene and reducing cleaning, the level of automation is improved, the contact between people and products is avoided, the manual operation and standby time are reduced, and the hygiene level of products is improved.

[0004] Existing filters usually use wire mesh or PP mesh for filtration. After filtering for a period of time, they need to be manually cleaned or replaced with new filter elements. This mode requires a large workload for personnel, and there will be a lot of material waste during the cleaning or replacement process. Corrosive materials will also cause harm to personnel.

[0005] The utility model aims to solve the problem of high labor intensity of operators in the prior art, so the device can realize automatic cleaning of the filter screen, improve production efficiency and reduce the labor intensity of operators.

[0006] According to the announcement number CN204073569U, the utility model discloses a liquid core filter, a cylinder and a filter screen, the filter screen is arranged in the cylinder, the upper end of the cylinder is provided with a feed port, the lower end is provided with a discharge port, the lower end of the cylinder is provided with a triangular support frame to support the cylinder on the ground, the outer side of the filter screen is provided with an annular support cylinder, the support cylinder wall is provided with a plurality of evenly distributed liquid flow holes, the filter screen is close to the inner wall of the support cylinder, a plurality of fixing rods are provided on the inner side of the filter screen, the fixing rods press the filter screen against the inner wall of the support cylinder, and a rotating cleaning scraper mechanism is provided in the filter screen. The utility model overcomes the shortcomings of the prior art, and a special structural design is performed in the cylinder so that the filter screen is fixed in the middle of the cylinder. The filter screen is provided with a rotating scraper mechanism, which can realize automatic cleaning and scraping, online operation, less liquid loss, and improved production efficiency. In the utility model, the residual material in the mesh hole is not easy to remove.

[0007] According to the announcement number CN218485310U, the utility model relates to the technical field of water purification equipment, which can automatically stir the water flow to scrape and wash the main filter screen during operation, reduce impurities directly attached to the outside of the main filter screen, and is not easy to get stuck while facilitating the cleaning of impurities. An automatic scraping sinking backwash filter includes a head with a water inlet and a water outlet, a cup body connected to the bottom of the head, and a filter assembly installed in the inner cavity of the cup body, wherein a water guide ring is installed on the upper side of the filter screen frame of the filter assembly, and the circumferential outer wall of the water guide ring is formed with a plurality of water guide grooves, the upper end of the water guide groove is its inlet, and the inlet is connected to the raw water inlet on the upper side of the filter screen frame, and the lower end of the water guide groove is its outlet; a scraping sleeve is provided on the lower side of the water guide ring, and the scraping sleeve is sleeved on the outer side of the main filter screen of the filter screen frame, and the upper end outer wall of the scraping sleeve is formed with a plurality of groups of upper blades that are impacted by the water flow at the outlet of the water guide groove to drive the scraping sleeve to rotate. The utility model uses a stirring water flow to scrape and wash the main filter screen. The utility model uses a raw water inlet to extend the water ring to wash the filter screen. Therefore, the force of the stirring water flow is relatively small, making the impurities on the filter screen less clean. Utility Model Content

[0008] The purpose of the utility model is to drive the liquid to flow through the rotating device so as to discharge the blocked particles. In addition, the utility model can automatically clean the filter screen, thereby reducing the labor cost of personnel and improving the production efficiency.

[0009] To achieve the above-mentioned purpose, the utility model provides a scraper filter flushing device, which includes: a mounting base; an outer cylinder, which is arranged on one side of the mounting base; a filter screen, which is a cylindrical structure, which is coaxially arranged on the mounting base with the outer cylinder and is arranged on the inner side of the outer cylinder, dividing the outer cylinder into an inner area and an outer area; a scraper, which is an annular structure, which is arranged on the outer side of the filter screen; and a rotating device, which is arranged on the inner side of the filter screen, and the rotating device is provided with a rotating shaft passing through the central axis of the outer cylinder.

[0010] Preferably, it further comprises a cover plate fixed to a side of the outer cylinder away from the mounting base by a plurality of fixing members, the cover plate having a first through hole coaxial with the outer cylinder and a plurality of second through holes surrounding the first through hole.

[0011] Preferably, the rotating shaft passes through the first through hole.

[0012] Preferably, one end of the rotating shaft away from the rotating device is fixed to a motor by a coupling.

[0013] The motor is arranged on a motor mounting plate, and the motor mounting plate is connected to the cover plate via a plurality of support rods.

[0014] Preferably, the rotating shaft is further provided with a bearing between the coupling and the cover plate.

[0015] Preferably, the rotating shaft is further provided with a first sealing ring between the bearing and the cover plate.

[0016] Preferably, a second sealing ring is further provided on the outer side of the outer cylinder and connected to the cover plate.

[0017] Preferably, a plurality of guide rods are arranged on the outside of the filter screen, the number of the guide rods is the same as the second through holes and they are arranged correspondingly, the guide rods pass through the second through holes respectively, and one end of the guide rods away from the mounting base is fixed to a guide fixing plate.

[0018] Preferably, a third sealing ring is disposed between the cover plate and the guide rod corresponding to the second through hole.

[0019] Preferably, a cylinder lifting device is arranged on the outside of the outer tube, and the cylinder lifting device has a plurality of lifting cylinders, and one side of the lifting cylinders away from the mounting base is fixed to the guide fixing plate.

[0020] Preferably, a scraper fixing plate is provided at one end of the guide rod close to the mounting base, and the scraper is connected to the guide rod via the scraper fixing plate.

[0021] Preferably, the mounting base is provided with a feed port and / or a discharge port, the feed port is provided at a side of the mounting base connected to the outer zone, and the discharge port is provided at a side of the mounting base connected to the inner zone.

[0022] The utility model has the beneficial effect that the liquid can be driven to flow by the rotating impeller so as to discharge the blocked particles. In addition, the utility model can automatically clean the filter screen, thus reducing the labor cost and improving the production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram to illustrate the structure of the utility model.

[0024] Figure 2 It is a schematic diagram illustrating another structure of the utility model.

[0025] Figure 3 It is a schematic diagram illustrating one implementation of the utility model. DETAILED DESCRIPTION

[0026] In order to make the above and / or other purposes, effects, and features of the present invention more obvious and easy to understand, the following is a detailed description of the preferred implementation modes:

[0027] See also Figure 1 The utility model provides a scraper filter flushing device, which comprises:

[0028] A mounting base 18; an outer cylinder 16, arranged on one side of the mounting base 18; a filter screen 17, which is a cylindrical structure, is coaxially arranged on the mounting base 18 with the outer cylinder 16 and is arranged on the inner side of the outer cylinder 16, dividing the outer cylinder 16 into an inner area and an outer area; a scraper 1, which is an annular structure, is arranged on the outer side of the filter screen 17; and a rotating impeller 19, which is arranged on the inner side of the filter screen 17, the rotating device is provided with a rotating shaft 3 passing through the central axis A of the outer cylinder, and the rotating impeller 19 can drive the liquid to flow and discharge the blocking particles.

[0029] In some embodiments, see Figure 2 The rotating impeller 19 can be replaced with a rotating disk, but is not limited thereto.

[0030] See also Figure 1 The scraper filter flushing device further includes a cover plate 5, which is fixed to one side of the outer cylinder 16 away from the mounting base 18 by a plurality of fixing members 13. The cover plate 5 has a first through hole coaxial with the outer cylinder 16 and a plurality of second through holes surrounding the first through hole; the rotating shaft 3 passes through the first through hole.

[0031] In different embodiments, the number of the second through holes may be 2, 3, 4, 5 or 6, but is not limited thereto.

[0032] See also Figure 1 One end of the rotating shaft 3 away from the rotating impeller 19 is fixed to a motor 9 by a coupling 8. The motor 9 is arranged on a motor mounting plate 11. The motor mounting plate 11 is connected to the cover plate 5 by a plurality of support rods 12. The rotating shaft 3 is further provided with a bearing 6 between the coupling 8 and the cover plate 5. The rotating shaft 3 is further provided with a first sealing ring 4 between the bearing 6 and the cover plate 5. A second sealing ring 14 is further provided on the outer side of the outer cylinder 16 and connected to the cover plate 5.

[0033] Specifically, the center of the cover plate 5 has a first through hole for the shaft 3 to pass through. The shaft 3 is provided with a first sealing ring 4 and a bearing 6 in sequence from bottom to top on the cover plate 5. The top of the shaft 3 is fixed to the motor 9 by a coupling 8. In addition, the cover plate 5 is provided with a support rod 12 in sequence from bottom to top to support the motor mounting plate 11. The support rod 12 is provided on the outside of the shaft 3, so that the motor 9 can be provided on the motor mounting plate 11. In addition, in order to prevent the slurry from entering the bearing 6 during filtering or cleaning and causing the bearing 6 to wear and to prevent the slurry from overflowing from the outer cylinder 16, two sealing rings (4, 14) are provided, wherein the shaft 3 is provided with a first sealing ring 4 above the cover plate 5 to prevent the slurry from entering the bearing 6 and causing the bearing 6 to wear; the second sealing ring 14 is provided on the outer cylinder 16 and connected to the cover plate 5 to prevent the slurry from overflowing from the outer cylinder 16.

[0034] See also Figure 1 , a plurality of guide rods 7 are arranged on the outside of the filter screen 17, and the number of the guide rods 7 is the same as that of the second through holes and they are arranged correspondingly, and the guide rods 7 pass through the second through holes correspondingly, and one end of the guide rod 7 away from the mounting base 18 is fixed to a guide fixing plate 10; the second through hole is further correspondingly provided with a third sealing ring 20 between the cover plate 5 and the guide rod 7; a cylinder lifting device 2 is arranged on the outside of the outer tube 16, and the cylinder lifting device 2 has a plurality of lifting cylinders, and one side of the lifting cylinder away from the mounting base 18 is fixed to the guide fixing plate 10; a scraper fixing plate 15 is arranged on one end of the guide rod 7 close to the mounting base 18, and the scraper 1 is connected to the guide rod 7 through the scraper fixing plate 15, and the scraper 1 is used to scrape the residual material on the filter screen 17.

[0035] In different embodiments, the number of lifting cylinders may be 2, 3, or 4, but is not limited thereto.

[0036] Specifically, the cylinder lifting device 2 is composed of a plurality of lifting cylinders and a plurality of guide rods 7.

[0037] It is fixed on the guide fixing plate 10 and is used to drive the scraper 1 to move up and down to scrape off the residual materials on the filter screen 17. The cylinder lifting device 2 is arranged on the outer side of the outer cylinder 16.

[0038] See also Figure 3 The mounting base 18 is provided with a feed port 21 and / or a discharge port 20.

[0039] The feed port 21 is arranged at one side of the mounting base 18 connected to the outer area, and a pipe is arranged to connect to the outer area; the discharge port 20 is arranged at one side of the mounting base 18 connected to the inner area, and a pipe is arranged to connect to the inner area.

[0040] In another embodiment, the feed port 21 is disposed at the outer area of ​​the outer cylinder 16 close to the outer side of the mounting base 18 , and the remaining configurations are the same as those described above and will not be described in detail herein.

[0041] The specific working principle is that the medium to be filtered enters the outer zone from the feed port 21, enters the inner zone after being filtered through the filter screen 17, and is discharged from the discharge port 20. After running for a period of time, small particles will begin to remain on the filter screen 17; when the small particles accumulate to a certain number, stop inputting the medium from the feed port 21, and after all the medium is discharged from the discharge port 20, start the cylinder lifting device 2 to drive the guide rod 7 to move up and down as a whole, and drive the scraper 1 to move through the guide rod 7 to scrape off the small particles adsorbed on the filter screen 17; replace the equipment of the feed port 21 and the discharge port 20, and input clean water or clean liquid from the discharge port 20 instead, and finally start the motor 9, and finally drive the rotating impeller 19 to rotate by driving the rotating shaft 3, so that the liquid is turned over from the inside to the outside, and the small particles blocked in the mesh of the filter screen 17 are taken away from the filter screen 17 by the flow of liquid, and discharged from the feed port 21, so as to achieve the maximum self-cleaning effect of the filter screen 17.

[0042] In some preferred embodiments, the feed port 21 and / or the discharge port 20 has a switch to make the equipment replacement more efficient.

[0043] In some preferred embodiments, there are two feed ports 21, which are relatively arranged with the axis of the outer cylinder 16 as the center; in other preferred embodiments, there are at least three feed ports 21, which are distributed in a regular polygon with the axis of the outer cylinder 16 as the center on one side of the mounting base 18 connected to the outer area, and pipelines are arranged one by one to connect to the outer area.

[0044] In some other embodiments, the number of the feed inlets 21 is 2, 3, 4, 5, or 6, but not limited thereto.

[0045] In some other embodiments, at least one row of plugging ports is disposed on one side of the mounting base 18 connected to the outer area, and is disposed opposite to the feed port 21 with the axis of the outer cylinder 16 as the center. A pipe and a switch are disposed on the plugging ports and the feed port 21 respectively.

[0046] In some preferred embodiments, at least one row of plugging ports is disposed on one side of the mounting base 18 connected to the outer area, and is disposed adjacent to the feed port 21. A pipe and a switch are disposed on the plugging port and the feed port 21 respectively, and the two pipes are not connected.

[0047] In other embodiments, at least one row of plugging ports is further provided on one side of the mounting base 18 connected to the outer area. The plugging ports are arranged adjacent to the feed port 21 and are provided with a movable gate or a movable baffle to open and close the plugging ports or the feed port 21 respectively.

[0048] In some preferred embodiments, there are at least two discharge ports 20, which are relatively arranged with the axis of the outer cylinder 16 as the center; in other preferred embodiments, there are at least three discharge ports 20, which are distributed in a regular polygon with the axis of the outer cylinder 16 as the center on one side of the mounting base 18 connected to the inner area, and pipes are arranged one by one to connect to the inner area.

[0049] In some other embodiments, the number of the discharge ports 20 is 2, 3, 4, 5, or 6, but not limited thereto.

[0050] In some other embodiments, the medium discharged from the discharge port 20 can be used as raw materials for other steps and can be connected through different pipelines of the discharge port 20 to reduce the manpower transportation cost.

[0051] In some preferred embodiments, the feed port 21 and / or the discharge port 20 has at least one switch, which can respectively open and close the at least one feed port 21 and / or the at least one discharge port 20 .

[0052] In summary, the beneficial effect of the utility model is that the rotating impeller can drive the liquid to flow and thus discharge the blocked particles. In addition, the utility model can automatically clean the filter screen, thereby reducing the labor cost of personnel and improving production efficiency.

[0053] However, what is described above is only a preferred embodiment of the present utility model, but it cannot be used to limit the patent protection scope of the present utility model; therefore, all simple equivalent changes and modifications made according to the patent protection scope of the present utility model and the contents of the specification still fall within the patent protection scope of the present utility model.

Claims

1. A scraper filter flushing device, comprising: A mounting base; An outer cylinder, disposed on one side of the mounting base; A filter screen, which is a cylindrical structure, is coaxially arranged on the mounting base with the outer cylinder and is arranged inside the outer cylinder to divide the outer cylinder into an inner area and an outer area; a scraper, which is an annular structure and is disposed around the outside of the filter screen; and A rotating device is arranged inside the filter screen, and the rotating device is provided with a rotating shaft penetrating the central axis of the outer cylinder.

2. The scraper filter flushing device according to claim 1, characterized in that: It further comprises a cover plate fixed to a side of the outer cylinder away from the mounting base by a plurality of fixing members. The cover plate has a first through hole coaxial with the outer cylinder and a plurality of second through holes surrounding the first through hole.

3. The scraper filter flushing device according to claim 2, characterized in that: The rotating shaft passes through the first through hole.

4. The scraper filter flushing device according to claim 3, characterized in that: One end of the rotating shaft away from the rotating device is fixed to a motor by a coupling. The motor is arranged on a motor mounting plate. The motor mounting plate is connected to the cover plate by a plurality of supporting rods.

5. The scraper filter flushing device according to claim 4, characterized in that: The rotating shaft is further provided with a bearing between the coupling and the cover plate.

6. The scraper filter flushing device according to claim 5, characterized in that: The rotating shaft is further provided with a first sealing ring between the bearing and the cover plate.

7. The scraper filter flushing device according to claim 2, characterized in that: A second sealing ring is further disposed on the outer side of the outer cylinder and connected to the cover plate.

8. The scraper filter flushing device according to claim 2, characterized in that: A plurality of guide rods are arranged outside the filter screen, the number of the guide rods is the same as the second through holes and they are arranged correspondingly, the guide rods pass through the second through holes respectively, and one end of the guide rods away from the mounting base is fixed to a guide fixing plate.

9. The scraper filter flushing device according to claim 8, characterized in that: A third sealing ring is further correspondingly disposed between the cover plate and the guide rod in correspondence with the second through hole.

10. The scraper filter flushing device according to claim 8, characterized in that: A cylinder lifting device is arranged outside the outer tube, and the cylinder lifting device has a plurality of lifting cylinders. One side of the lifting cylinders away from the mounting base is fixed to the guide fixing plate.

11. The scraper filter flushing device according to claim 8, characterized in that: A scraper fixing plate is arranged at one end of the guide rod close to the mounting base, and the scraper is connected to the guide rod through the scraper fixing plate.

12. The scraper filter flushing device according to claim 1, characterized in that: The mounting base is provided with a feed port and / or a discharge port. The feed port is provided at a side of the mounting base connected to the outer zone, and the discharge port is provided at a side of the mounting base connected to the inner zone.

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