Rotary disc filter for sewage treatment

Abstract

The utility model relates to the technical field of sewage treatment, in particular to a turntable filter for sewage treatment, which comprises a bracket, a treatment box, a filter plate, a mounting shaft, a liquid outlet pipe, a blow-off pipe, a feeding pipe, a driving component and a scraper, the treatment box is connected with the bracket, the mounting shaft is rotationally connected with the treatment box, the driving assembly is connected with the treatment box and is in transmission connection with the mounting shaft, the filter plates are connected with the mounting shaft, and a lifting assembly for lifting the filter plates is arranged in the treatment box; a cleaning assembly for cleaning the plurality of filter plates is arranged in the treatment box, the feeding pipe and the liquid outlet pipe are respectively connected with two ends of the treatment box, and the plurality of blow-off pipes are connected with the lower end of the treatment box; and the plurality of scrapers are connected with one end, close to the liquid outlet pipe, of the filter plate. According to the sewage treatment device, sewage enters the treatment box from the feeding pipe, sludge is filtered by the multiple layers of filter plates, the inner wall of the treatment box can be cleaned by the scraping plates on the filter plates, and the sludge is prevented from being deposited on the surface; the filter plate can be lifted from the treatment box and is convenient to replace and clean.

Description

Technical Field

[0001] This utility model relates to the field of wastewater treatment technology, specifically a rotary filter for wastewater treatment. Background Technology

[0002] Wastewater treatment: The process of purifying wastewater to meet the water quality requirements for discharge into a water body or for reuse. Rotary disc filters, through their large rotating discs, increase the filtration area for wastewater, allowing pollutants in the wastewater to be separated from the wastewater after passing through the discs, significantly improving the filtration effect. The compact arrangement of components in a rotary disc filter reduces energy consumption, thus achieving environmentally friendly wastewater treatment.

[0003] Chinese Patent CN218608386U discloses a rotary disc filter for wastewater treatment. Addressing the problems of existing rotary disc filters where the screen cannot automatically clean, is prone to clogging, and affects filtration efficiency, and often requires manual cleaning, the following solution is proposed: It includes a treatment box with multiple discharge pipes at the bottom. The bottom of the treatment box has a semi-circular structure. An inlet pipe is installed on the left side of the treatment box, and an outlet pipe is installed on the right side. Four support legs are installed at the bottom of the treatment box. A disc filtration mechanism is installed inside the treatment box. A support rod is installed at the top of the treatment box, and a spring mechanism is installed at the bottom of the support rod. A vertical rod is installed on the spring mechanism, and a cleaning brush is installed on the inner side of the vertical rod. This allows for automatic cleaning of the disc screen, preventing clogging and maintaining filtration efficiency, and eliminating the need for manual cleaning.

[0004] However, the above technical solution has the following defects: the above-mentioned rotary filter for sewage treatment filters sewage through multiple layers of circular mesh, and multiple cleaning brushes clean the circular mesh. The cleaned sewage is not convenient to be discharged from the discharge pipe, and the sludge adheres to the inner wall of the treatment tank for a long time and accumulates at the bottom, which is inconvenient to clean. Utility Model Content

[0005] The purpose of this invention is to address the problems existing in the background technology by proposing a rotary filter for wastewater treatment.

[0006] The technical solution of this utility model is as follows: A rotary filter for sewage treatment includes a support frame, a treatment box, a filter plate, a mounting shaft, an outlet pipe, a drain pipe, a feed pipe, a drive assembly, and a scraper.

[0007] The treatment box is connected to the bracket, the mounting shaft is rotatably connected to the treatment box, the drive assembly is connected to the treatment box, the drive assembly is connected to the mounting shaft, the filter plates are provided in multiple ways and are all connected to the mounting shaft, and the treatment box is provided with a lifting assembly for lifting the filter plates.

[0008] The treatment box is equipped with a cleaning assembly for cleaning multiple filter plates. The feed pipe and the liquid outlet pipe are connected to the two ends of the treatment box, respectively. Multiple drain pipes are provided and connected to the lower end of the treatment box.

[0009] Multiple scrapers are provided and correspond one-to-one with the filter plates. The scraper is connected to the end of the filter plate near the liquid outlet pipe.

[0010] Preferably, the lifting assembly includes a mounting plate and a hydraulic cylinder;

[0011] The mounting plate has two slidably connected to both ends of the processing box. The mounting shaft rotatably connects the two mounting plates. The drive assembly is located on one mounting plate. The hydraulic cylinder is connected to the processing box, and the other end of the hydraulic cylinder is connected to the mounting plate.

[0012] Preferably, the outer peripheral surface of the mounting plate is provided with a flange, the processing box is provided with a groove, the flange is embedded in the groove, and the surface of the flange is provided with a sealing strip.

[0013] Preferably, the filter plates are all circular, and multiple filter plates are evenly distributed side by side on the mounting shaft. The filter plates are coaxial with the mounting shaft, and the scraper connects to the edge of the filter plate.

[0014] Preferably, the cleaning assembly includes bolts, a mounting bracket, and a cleaning rod;

[0015] The cleaning rods are provided in multiple positions, and the mounting bracket is provided with multiple mounting slots. The cleaning rods are connected to the mounting slots. Multiple bolts are provided and are threadedly connected to the mounting bracket and the corresponding cleaning rods.

[0016] Preferably, each scraper end is equipped with a rubber pad, which is pressed tightly against the inner wall of the processing chamber.

[0017] Preferably, the cleaning rods are all located on the side of the filter plate closest to the feed pipe.

[0018] Preferably, each cleaning rod is equipped with bristles, which are pressed against the surface of the filter plate near the feed pipe.

[0019] Compared with the prior art, the above-mentioned technical solution of this utility model has the following beneficial technical effects:

[0020] 1. In this utility model, sewage enters the treatment tank through the feed pipe, and sludge is filtered by multiple filter plates. The edges of the filter plates are equipped with scrapers to clean the inner wall of the treatment tank and prevent sludge from accumulating on the inner wall of the treatment tank. The filter plates can be lifted out of the treatment tank for easy replacement and cleaning.

[0021] 2. In this utility model, multiple cleaning rods in the cleaning assembly are respectively attached to the surface of the corresponding filter plate. When the filter plate rotates, the sludge on the filter plate is cleaned off in time, which increases the service life of the filter plate. At the same time, the cleaning rods can be removed from the mounting bracket for replacement, which makes the service life of the cleaning assembly even longer. Attached Figure Description

[0022] Figure 1 This is a perspective view of a rotary filter for wastewater treatment proposed in this utility model.

[0023] Figure 2 This is a schematic diagram of the structure of a rotary filter for wastewater treatment proposed in this utility model.

[0024] Figure 3 This is a cross-sectional view of a rotary filter for wastewater treatment proposed in this utility model.

[0025] Reference numerals: 1. Bracket; 2. Processing box; 3. Filter plate; 4. Mounting plate; 5. Mounting shaft; 6. Liquid outlet pipe; 7. Sewage discharge pipe; 8. Hydraulic cylinder; 9. Feed pipe; 10. Drive assembly; 11. Bolt; 12. Mounting bracket; 13. Cleaning rod; 14. Scraper. Detailed Implementation

[0026] Example 1

[0027] like Figures 1-3 As shown, the present invention proposes a rotary filter for sewage treatment, which includes a support 1, a treatment box 2, a filter plate 3, a mounting shaft 5, a liquid outlet pipe 6, a sewage discharge pipe 7, a feed pipe 9, a drive assembly 10, and a scraper 14.

[0028] The processing box 2 is connected to the bracket 1, the mounting shaft 5 is rotatably connected to the processing box 2, the drive assembly 10 is connected to the processing box 2, the drive assembly 10 is connected to the mounting shaft 5, the filter plate 3 is provided with multiple plates and is connected to the mounting shaft 5, and the processing box 2 is provided with a lifting assembly for lifting the filter plate 3.

[0029] Furthermore, all filter plates 3 are circular, and multiple filter plates 3 are evenly distributed side by side on the mounting shaft 5. The filter plates 3 are coaxially distributed with the mounting shaft 5. The scraper 14 is connected to the edge of the filter plate 3, and the end of the scraper 14 is provided with a rubber pad. The rubber pad is pressed against the inner wall of the treatment box 2.

[0030] The processing box 2 is equipped with a cleaning component for cleaning multiple filter plates 3. The cleaning component corresponds to each of the multiple filter plates 3 and is attached to the surface of the corresponding filter plate 3. When the filter plate 3 rotates, the cleaning component can clean the surface of the filter plate 3 in a timely manner.

[0031] The feed pipe 9 and the liquid outlet pipe 6 are respectively connected to the two ends of the treatment tank 2, and multiple sewage discharge pipes 7 are provided and connected to the lower end of the treatment tank 2;

[0032] Multiple scrapers 14 are provided and correspond one-to-one with filter plates 3. The scraper 14 is connected to the end of filter plate 3 near the liquid outlet pipe 6.

[0033] In this invention, wastewater enters the treatment tank through the feed pipe 9, and the sludge is filtered by the multi-layer filter plate 3. The scraper 14 on the filter plate 3 can clean the inner wall of the treatment tank 2 to prevent sludge from accumulating on the surface. The filter plate 3 can be lifted out of the treatment tank 2 for easy replacement and cleaning.

[0034] Example 2

[0035] like Figures 1-2 As shown, the rotary filter for sewage treatment proposed in this utility model, compared with Embodiment 1, has a lifting assembly including a mounting plate 4 and a hydraulic cylinder 8.

[0036] Mounting plate 4 has two slidably connected to both ends of processing box 2. Mounting shaft 5 rotatably connects the two mounting plates 4. Drive assembly 10 is located on one mounting plate 4. Hydraulic cylinder 8 is connected to processing box 2, and the other end of hydraulic cylinder 8 is connected to mounting plate 4.

[0037] Furthermore, the outer periphery of the mounting plate 4 is provided with flanges, the processing box 2 is provided with grooves, the flanges are embedded in the grooves, and the surface of the flanges is provided with sealing strips.

[0038] In this embodiment, the hydraulic cylinder 8 can lift the mounting plate 4 to raise multiple filter plates 3, making it easier to maintain or replace the filter plates 3 and making the operation more convenient.

[0039] Example 3

[0040] like Figures 1-2 As shown, the rotary filter for sewage treatment proposed in this utility model, compared with Embodiment 1, the cleaning component in this embodiment includes bolt 11, mounting bracket 12 and cleaning rod 13;

[0041] Multiple cleaning rods 13 are provided, and multiple mounting slots are provided on the mounting bracket 12. The cleaning rods 13 are connected to the mounting slots. Multiple bolts 11 are provided and are threadedly connected to the mounting bracket 12 and the corresponding cleaning rods 13.

[0042] Furthermore, the cleaning rods 13 are all located on the side of the filter plate 3 near the feed pipe 9.

[0043] Furthermore, each cleaning rod 13 is equipped with bristles, which are pressed against the surface of the filter plate 3 near the feed pipe 9.

[0044] In this embodiment, when the filter plate 3 rotates, the cleaning rod 13 presses against the surface of the filter plate 3 to clean the sludge off the filter plate 3, thus extending the service life of the filter plate 3; at the same time, the cleaning rod 13 can be removed from the mounting bracket 12 for maintenance or replacement, thus extending the service life of the cleaning assembly.

[0045] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited thereto. Various changes can be made within the scope of knowledge possessed by those skilled in the art without departing from the spirit of the present invention.

Claims

1. A rotary disc filter for wastewater treatment, characterized in that, The filter device comprises a support (1), a treatment box (2), filter plates (3), mounting shafts (5), liquid outlet pipes (6), sewage pipes (7), feeding pipes (9), driving assemblies (10) and scrapers (14); The treatment box (2) is connected with the support (1), the mounting shafts (5) are rotatably connected with the treatment box (2), the driving assemblies (10) are connected with the treatment box (2), the driving assemblies (10) are drivingly connected with the mounting shafts (5), the filter plates (3) are provided in plurality and are connected with the mounting shafts (5), and the treatment box (2) is provided with a lifting assembly for lifting the filter plates (3); The treatment box (2) is provided with a cleaning assembly for cleaning the filter plates (3), the feeding pipes (9) and the liquid outlet pipes (6) are connected with two ends of the treatment box (2) respectively, and the sewage pipes (7) are provided in plurality and are connected with lower ends of the treatment box (2); The scrapers (14) are provided in plurality and correspond to the filter plates (3) one by one, and the scrapers (14) are connected with one ends of the filter plates (3) close to the liquid outlet pipes (6).

2. A rotary disc filter for sewage treatment according to claim 1, wherein The lifting assembly comprises mounting plates (4) and hydraulic cylinders (8); The mounting plates (4) are provided in two and are slidingly connected with two ends of the treatment box (2), the mounting shafts (5) are rotatably connected with the two mounting plates (4), the driving assemblies (10) are located on one of the mounting plates (4), the hydraulic cylinders (8) are connected with the treatment box (2), and the other ends of the hydraulic cylinders (8) are connected with the mounting plates (4).

3. A rotary disc filter for sewage treatment according to claim 2, wherein The mounting plates (4) are provided with flanges on outer circumferential surfaces, the treatment box (2) is provided with grooves, the flanges are embedded in the grooves, and the flanges are provided with sealing strips on surfaces.

4. A rotary disc filter for sewage treatment according to claim 1, wherein The filter plates (3) are circular, the plurality of filter plates (3) are distributed in parallel on the mounting shafts (5) uniformly, the filter plates (3) are coaxially distributed with the mounting shafts (5), and the scrapers (14) are connected with edges of the filter plates (3).

5. A rotary disc filter for sewage treatment according to claim 1, wherein The cleaning assembly comprises bolts (11), mounting racks (12) and cleaning rods (13); The cleaning rods (13) are provided in plurality, the mounting racks (12) are provided with mounting grooves in plurality, the cleaning rods (13) are connected with the mounting grooves in cooperation, and the bolts (11) are provided in plurality and are connected with the mounting racks (12) and the corresponding cleaning rods (13) in cooperation in screw threads; The cleaning rods (13) correspond to the filter plates (3) one by one and are attached to surfaces of the filter plates (3).

6. A rotary disc filter for sewage treatment according to claim 5, wherein The cleaning rods (13) are located on one sides of the filter plates (3) close to the feeding pipes (9).

7. A rotary disc filter for sewage treatment according to claim 5, wherein The cleaning rods (13) are provided with bristles on the cleaning rods (13), and the bristles are pressed against surfaces of the filter plates (3) close to the feeding pipes (9).

8. A rotary disc filter for sewage treatment according to claim 1, wherein Ends of the scrapers (14) are provided with rubber pads, and the rubber pads are pressed against inner walls of the treatment box (2).

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