Sludge filtering structure for sewage treatment
By designing a sludge filter structure including air pipes, covers, filter boxes, filter mesh, scrapers and sludge discharge valves, the problem of filter mesh blockage in the existing sludge filter structure is solved, and the stability of sludge filtration during sewage treatment and normal filtration of sewage is achieved.
Patent Information
- Application Number
- CN202421656657.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-12
- Publication Date
- 2025-05-16
- Estimated Expiration
- 2034-07-12
AI Technical Summary
After long-term use of the existing sludge filter structure, a large amount of sludge will accumulate in the surface and mesh of the filter screen, resulting in clogging of the filter screen and affecting the normal filtration of the sewage.
A sludge filter structure including a trachea, a cover, a filter box, a filter mesh, a scraper and a mud discharge valve is designed. The filter mesh is driven to rotate through the rotating shaft. The scraper scrapes the sludge on the surface of the filter mesh and sprays it onto the surface of the filter mesh through the high-pressure air in the airway to blow off the sludge in the mesh and avoid blockage.
It effectively avoids filter clogging, ensures the stability of sludge filtration during sewage treatment, and ensures the normal filtration of sewage and the effective discharge of sludge.
Smart Images
Figure CN222877774U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of sewage treatment, in particular to a sludge filtering structure for sewage treatment. Background Art
[0002] Wastewater treatment refers to the process of purifying sewage so that it meets the water quality requirements for discharge into a water body or reuse.
[0003] In the process of sewage treatment, it is necessary to filter out the sludge in the sewage. However, after long-term use, a large amount of sludge will remain on the surface and in the mesh of the existing sludge filtration structure for sewage treatment, causing the filter to be blocked and affecting the normal filtration of sewage. Therefore, we propose a sludge filtration structure for sewage treatment. Utility Model Content
[0004] The utility model aims to provide a sludge filtering structure for sewage treatment, which has the advantages of avoiding filter clogging and ensuring the stability of sludge filtration during sewage treatment. It solves the problem that after long-term use of the filter in the existing sludge filtering structure for sewage treatment, a large amount of sludge will be present on the filter surface and in the mesh, causing the filter to be clogged and affecting the normal filtration of sewage.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: including an air pipe, a cover shell and a filter box, the cover shell is fixedly installed on the upper surface of the filter box, a filter screen is rotatably installed inside the cover shell, an air pipe is fixedly installed on one side inside the cover shell, an air nozzle is fixedly connected to the outer surface of the air pipe, an inlet pipe is fixedly connected to one side of the filter box, a water outlet pipe is fixedly connected to the side of the filter box away from the inlet pipe, a scraper is fixedly installed on the side of the filter box close to the filter screen, and a mud discharge valve is fixedly installed on the lower surface of the filter box below the scraper.
[0006] Preferably, a reduction motor is fixedly mounted on one side of the housing close to the trachea, the end of the output shaft of the reduction motor is fixedly connected to the end of the rotating shaft, and the reduction motor drives the rotating shaft to rotate when it works.
[0007] Preferably, a cleaning window is provided on the side of the cover shell facing away from the air pipe, and a window door is provided inside the cleaning window. After the window door is removed, the filter can be cleaned manually.
[0008] Preferably, the end of the air pipe is fixedly connected with a quick connector, and the air pipe is quickly connected to an external compressed air source pipeline through the quick connector.
[0009] Preferably, there are twelve air nozzles in total, and the twelve air nozzles are equidistantly fixedly connected to the outer surface of the air pipe, and multiple air nozzles spray high-pressure air onto the surface of the filter, thereby blowing away the sludge in the mesh of the filter.
[0010] Preferably, an observation port is provided on the outer surface of the filter box below the water inlet pipe, and a transparent plate is fixedly installed inside the observation port, so that the amount of sludge deposited inside the filter box can be observed through the transparent plate and discharged in time through the sludge discharge valve.
[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:
[0012] The utility model achieves the effect of avoiding clogging of the filter screen and ensuring the stability of sludge filtering in the sewage treatment process by arranging an air pipe, an air nozzle, a filter screen, a scraper and a mud discharge valve. When in use, the muddy sewage enters the filter box through the water inlet pipe, and the sludge in the sewage is filtered out through the filter screen, while the rotating shaft drives the filter screen to rotate, and the scraper scrapes off the sludge adhered to the surface of the filter screen. At the same time, the high-pressure air in the air pipe is sprayed onto the surface of the filter screen through the air nozzle to blow off the sludge in the mesh of the filter screen, thereby avoiding clogging of the filter screen. The sewage after the sludge is filtered out is discharged from the water outlet pipe, and the sludge collected in the filter box is deposited at the bottom of the filter box and discharged through the mud discharge valve. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 This is a schematic diagram of the main cross-sectional structure of the utility model;
[0014] Figure 2 This is a schematic diagram of the partial main cross-sectional structure of the cover of the utility model;
[0015] Figure 3 For this utility model Figure 1 Schematic diagram of the enlarged structure of A.
[0016] Figure numerals: 1. air pipe; 2. cover; 3. reduction motor; 4. filter box; 5. water outlet pipe; 6. mud discharge valve; 7. scraper; 8. water inlet pipe; 9. quick connector; 10. air nozzle; 11. filter; 12. rotating shaft; 13. cleaning window; 14. window door; 15. observation port; 16. transparent plate. DETAILED DESCRIPTION
[0017] The technical solution of the utility model is further described below in conjunction with the accompanying drawings and specific embodiments.
[0018] like Figures 1 to 3As shown, a sludge filtering structure for sewage treatment proposed by the utility model comprises an air pipe 1, a cover shell 2 and a filter box 4, the upper surface of the filter box 4 is fixedly mounted with the cover shell 2, a filter screen 11 is rotatably mounted inside the cover shell 2 through a rotating shaft 12, and the filter screen 11 is partially located inside the filter box 4, and the filter screen 11 is circular when viewed from the side, a reduction motor 3 is fixedly mounted on the side of the cover shell 2 close to the air pipe 1, the end of the output shaft of the reduction motor 3 is fixedly connected to the end of the rotating shaft 12, and the reduction motor 3 drives the filter screen 11 to rotate through the rotating shaft 12 after being energized, an air pipe 1 is fixedly mounted on one side of the cover shell 2, an air nozzle 10 is fixedly connected to the outer surface of the air pipe 1, twelve air nozzles 10 are provided in total, and the twelve air nozzles 10 are equidistantly fixedly connected to the outer surface of the air pipe 1, and multiple air nozzles 10 spray high-pressure air onto the surface of the filter screen 11, thereby blowing away the sludge in the mesh of the filter screen 11, and a quick connector 9 is fixedly connected to the end of the air pipe 1, The air pipe 1 and the external compressed air source pipeline are quickly connected through a quick connector 9. A cleaning window 13 is provided on the side of the cover 2 facing away from the air pipe 1. A window door 14 is provided inside the cleaning window 13. After the window door 14 is removed, the filter screen 11 can be manually cleaned. A water inlet pipe 8 is fixedly connected to one side of the filter box 4, and a water outlet pipe 5 is fixedly connected to the side of the filter box 4 facing away from the water inlet pipe 8. A scraper 7 is fixedly installed on the side of the filter box 4 close to the filter screen 11. The scraper 7 contacts the side of the filter screen 11 close to the water inlet pipe 8 and scrapes off the sludge on the surface of the rotating filter screen 11. A mud discharge valve 6 is fixedly installed on the lower surface of the filter box 4 below the scraper 7. An observation port 15 is provided on the outer surface of the filter box 4 below the water inlet pipe 8. A transparent plate 16 is fixedly installed inside the observation port 15. The amount of sludge deposited inside the filter box 4 is conveniently observed through the transparent plate 16, and the sludge is discharged through the mud discharge valve 6 in time.
[0019] When the utility model is in use, the muddy sewage enters the filter box 4 through the water inlet pipe 8, and the sludge in the sewage is filtered out through the filter screen 11, and the rotating shaft 12 drives the filter screen 11 to rotate, and the scraper 7 scrapes off the sludge adhering to the surface of the filter screen 11. At the same time, the high-pressure air in the air pipe 1 is sprayed to the surface of the filter screen 11 through the air nozzle 10 to blow off the sludge in the mesh of the filter screen 11, thereby avoiding the clogging of the filter screen 11. The sewage after the sludge is filtered out is discharged from the outlet pipe 5, and the sludge collected in the filter box 4 is deposited at the bottom of the filter box 4 and discharged through the mud discharge valve 6.
[0020] The above-mentioned specific embodiments are only several preferred embodiments of the present invention. Based on the technical solution of the present invention and the relevant inspiration of the above-mentioned embodiments, those skilled in the art can make various alternative improvements and combinations to the above-mentioned specific embodiments.
Claims
1. A sludge filtering structure for sewage treatment, comprising an air pipe (1), a housing (2) and a filter box (4), characterized in that: A cover shell (2) is fixedly mounted on the upper surface of the filter box (4); a filter screen (11) is rotatably mounted inside the cover shell (2) via a rotating shaft (12); an air pipe (1) is fixedly mounted on one side of the cover shell (2); an air nozzle (10) is fixedly connected to the outer surface of the air pipe (1); a water inlet pipe (8) is fixedly connected to one side of the filter box (4); a water outlet pipe (5) is fixedly connected to the side of the filter box (4) facing away from the water inlet pipe (8); a scraper (7) is fixedly mounted on the side of the filter box (4) close to the filter screen (11); and a mud discharge valve (6) is fixedly mounted on the lower surface of the filter box (4) at a position below the scraper (7).
2. A sludge filtering structure for sewage treatment according to claim 1, characterized in that: A reduction motor (3) is fixedly mounted on one side of the housing (2) close to the air pipe (1), and the end of the output shaft of the reduction motor (3) is fixedly connected to the end of the rotating shaft (12).
3. The sludge filtering structure for sewage treatment according to claim 1, characterized in that: A cleaning window (13) is provided on the side of the housing (2) facing away from the air pipe (1), and a window door (14) is provided inside the cleaning window (13).
4. The sludge filtering structure for sewage treatment according to claim 1, characterized in that: The end of the air pipe (1) is fixedly connected with a quick connector (9).
5. The sludge filtering structure for sewage treatment according to claim 1, characterized in that: A total of twelve air nozzles (10) are provided, and the twelve air nozzles (10) are fixedly connected to the outer surface of the air pipe (1) at equal intervals.
6. The sludge filtering structure for sewage treatment according to claim 1, characterized in that: An observation port (15) is provided on the outer surface of the filter box (4) at a position below the water inlet pipe (8), and a transparent plate (16) is fixedly installed inside the observation port (15).