Filtering device for sewage treatment

Abstract

The utility model discloses a filtering device for sewage treatment, which comprises a filtering box, a plurality of supporting legs arranged below the filtering box, a movable groove arranged on the side surface of the filtering box, a movable plate arranged inside the movable groove, a water pipe fixed in the middle position of the movable plate in a penetrating manner, and chutes symmetrically arranged on two sides of the movable plate, clamping grooves are symmetrically formed in the two sides of the sliding groove body, fixing devices are arranged on the side faces of the sliding groove, a filtering roller is arranged at the upper end in the filtering box, a first filtering plate is arranged on one side of the filtering roller, a second filtering plate is arranged on the side, away from the first filtering plate, of the filtering roller, and a first circular groove is formed in the middle of the second filtering plate in a penetrating mode; second circular grooves are symmetrically formed in the upper end and the lower end of the first circular groove, movable devices are oppositely arranged at the upper end and the lower end of the side, close to the first filtering plate, of the second filtering plate, and a hollow scraper is arranged in the filtering roller. According to the utility model, the filtering device can be quickly cleaned after filtering and can be prevented from being blocked during operation.

Description

Technical Field

[0001] The utility model belongs to the technical field of filtering devices, in particular to a filtering device for sewage treatment. Background Art

[0002] Urban sewage is mainly domestic sewage, industrial wastewater, rainwater, etc., and its amount is very huge, especially a large amount of sewage contains solid impurities such as dust and soil, which is very wasteful if it is discarded. If these solid impurities can be removed and reused, it can not only improve the utilization rate of urban water, but also be more precious for areas with water shortage.

[0003] At present, the filter device is prone to clogging the filter screen when filtering solid impurities in sewage, which affects the subsequent filtering work. In addition, after clogging, the filter device is troublesome to disassemble and the filter screen is difficult to clean. Utility Model Content

[0004] The purpose of the utility model is to provide a filtering device for sewage treatment in order to solve the problem that the existing filtering device is easily blocked by solid impurities.

[0005] The utility model achieves the above-mentioned purpose through the following technical scheme: it comprises a filter box, a plurality of supporting legs are arranged at the bottom of the filter box, a movable groove is arranged on the side of the filter box, a movable plate is arranged inside the movable groove, a water pipe is fixedly penetrated through the middle position of the movable plate, slide grooves are symmetrically arranged on both sides of the movable plate, the slide groove comprises a slide groove body, slots are symmetrically arranged on both sides of the slide groove body, and fixing devices are arranged on the sides of the slide groove, a filter drum is arranged at the upper end of the filter box, a first filter plate is arranged on one side of the filter drum, a second filter plate is arranged on the side of the filter drum away from the first filter plate, and a water pipe is penetrated through the middle of the second filter plate There is a first circular groove, and second circular grooves are symmetrically provided at both upper and lower ends of the first circular groove, and movable devices are symmetrically provided at both upper and lower ends of the second filter plate close to the first filter plate. A hollow scraper is provided inside the filter drum, and pull rods are symmetrically provided at both upper and lower ends of the hollow scraper close to the second filter plate. A number of mesh holes are equidistantly arranged on the surface of the filter drum, a rotating shaft is provided on the side of the first filter plate away from the second filter plate, a driving motor is provided on one side of the rotating shaft, a third circular groove is provided between the rotating shaft and the filter box, a funnel-shaped collecting box is penetrated at the lower end of the filter box, and a plug is provided at the lower end of the funnel-shaped collecting box.

[0006] Furthermore, the fixing device includes a first fixing block, a fixing groove is provided on the side of the first fixing block, a second fixing block is provided on the side of the fixing groove, a sliding block is provided on the side of the second fixing block close to the movable plate, and clamping blocks are symmetrically provided on both sides of the sliding block, a third fixing block is movably connected to the upper end of the fixing groove, and a movable plate is provided above the third fixing block.

[0007] Furthermore, the first fixed block is fixedly connected to the filter box, the second fixed block is movably connected to the movable plate, the slider is located inside the slide groove body and the two are matched, the clamping blocks are all located inside the clamping groove and the two are matched, and a part of the side surface of the second fixed block is located inside the fixed groove and the two are movably connected.

[0008] Furthermore, the movable device comprises a movable block, a thread groove is provided on the upper surface of the movable block, a thread column is provided above the thread groove, and a limiting circular plate is provided above the thread column.

[0009] Furthermore, the movable blocks are all fixedly connected to the second filter plate, the thread grooves are all located directly below the mesh holes, and the thread grooves are consistent with the threaded columns.

[0010] Furthermore, the water pipe is fixedly connected to the movable plate, one end of the water pipe is located inside the first circular groove and matches with it, and the water pipe is movably connected to the first circular groove.

[0011] Furthermore, the length of the pull rod is greater than the length of the filter drum, the pull rod is located inside the second circular groove and the two are consistent with each other, and the pull rod is movably connected to the second circular groove.

[0012] Furthermore, the rotating motor is located outside the filter box and the two are fixedly connected, the rotating shaft is located inside the third circular groove and the two are matched, and the rotating shaft is movably connected to the third circular groove.

[0013] Beneficial effects: The utility model has reasonable design and has the following beneficial effects:

[0014] 1. Filter the solid impurities in the sewage through the filter drum. During the filtration, the rotating motor drives the filter drum to rotate through the rotating shaft. In this way, when some meshes are blocked by solid impurities, other meshes can also be filtered through rotation. The impurities inside the filter drum can also be kept in motion to reduce the probability of blockage. This can effectively prevent solid impurities from blocking the filter drum and affecting subsequent filtration.

[0015] 2. When disassembling the movable plate, first move the third fixed block upward out of the fixed groove, then move the second fixed block of the plate upward out of the fixed groove through the slider and the slide groove, then move the second fixed blocks on both sides of the movable plate out of the movable groove, then screw the threaded column out of the threaded groove, then separate the second filter plate from the filter drum, and then use the pull rod and the hollow scraper to clean the inner wall of the filter drum, scrape the solid impurities outward and clean them up, so as to facilitate the next filtering work. In this way, the filter device can be disassembled quickly and conveniently to clean the filter drum. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional diagram of the utility model;

[0017] Figure 2 This is a front cross-sectional view of the utility model;

[0018] Figure 3 This is an exploded view of the utility model;

[0019] Figure 4 It is a sectional stereoscopic view of the movable plate parts of the utility model;

[0020] Figure 5 This is a partial enlarged view of A of the utility model;

[0021] Figure 6 This is an exploded view of the parts of the movable device of the utility model;

[0022] Figure 7 This is an exploded view of the fixing device parts of the utility model;

[0023] Figure 8 This is an exploded view of some parts of the utility model.

[0024] In the figure: 1-filter box, 2-support leg, 3-movable groove 3, 4-movable plate, 5-water pipe, 6-chute, 7-fixing device, 8-mesh, 9-filter drum, 10-first filter plate, 11-second filter plate, 12-first circular groove, 13-second circular groove, 14-movable device, 15-hollow scraper, 16-pull rod, 17-rotating shaft, 18-driving motor, 19-third circular groove, 20-funnel-shaped collecting box, 21-stopper;

[0025] 61 - slide groove body, 62 - clamping groove, 71 - first fixed block, 72 - fixed groove, 73 - second fixed block, 74 - sliding block, 75 - clamping block, 76 - third fixed block, 77 - moving plate, 141 - movable block, 142 - threaded groove, 143 - threaded column, 144 - limiting circular plate. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0027] Combination Figures 1 to 8 A filtering device for sewage treatment shown in the figure comprises a filter box 1, a plurality of supporting legs 2 are arranged below the filter box 1, a movable groove 3 is arranged on the side of the filter box 1, a movable plate 4 is arranged inside the movable groove 3, a water pipe 5 is fixedly passed through the middle position of the movable plate 4, slide grooves 6 are symmetrically arranged on both sides of the movable plate 4, the slide grooves 6 comprise a slide groove body 61, and slots 62 are symmetrically arranged on both sides of the slide groove body 61, and fixing devices 7 are arranged on the sides of the slide groove 6, a filter drum 9 is arranged on the upper end of the filter box 1, a first filter plate 10 is arranged on one side of the filter drum 9, a second filter plate 11 is arranged on the side of the filter drum 9 away from the first filter plate 10, and a first circular groove 12 is passed through the middle of the second filter plate 11, The first circular groove 12 is symmetrically provided with second circular grooves 13 at both upper and lower ends, the second filter plate 11 is provided with movable devices 14 at both upper and lower ends close to the first filter plate 10, a hollow scraper 15 is provided inside the filter drum 9, and pull rods 16 are symmetrically provided at both upper and lower ends of the hollow scraper 15 close to the second filter plate 11, a plurality of mesh holes 8 are arranged equidistantly on the surface of the filter drum 9, a rotating shaft 17 is provided on the side of the first filter plate 10 away from the second filter plate 11, a driving motor 18 is provided on one side of the rotating shaft 17, a third circular groove 19 is provided between the rotating shaft 17 and the filter box 1, a funnel-shaped collecting box 20 is penetrated at the lower end of the filter box 1, and a plug 21 is provided at the lower end of the funnel-shaped collecting box 20.

[0028] Among them, the fixing device 7 includes a first fixing block 71, a fixing groove 72 is provided on the side of the first fixing block 71, a second fixing block 73 is provided on the side of the fixing groove 72, a sliding block 74 is provided on the side of the second fixing block 73 close to the movable plate 4, and blocks 75 are symmetrically provided on both sides of the sliding block 74. A third fixing block 76 is movably connected to the upper end of the fixing groove 72, and a movable plate 77 is provided above the third fixing block 76; the first fixing block 71 is fixedly connected to the filter box 1, the second fixing block 73 is movably connected to the movable plate 4, the sliding block 74 is located inside the slide groove body 61 and the two are consistent, the blocks 75 are all located inside the card groove 62 and the two are consistent, and a part of the side of the second fixing block 73 is located inside the fixing groove 72 and the two are movably connected; the fixing device can quickly disassemble the movable plate 4 when cleaning the filter drum, which is convenient for cleaning the filter drum.

[0029] The movable device 14 includes a movable block 141, a threaded groove 142 is provided on the upper surface of the movable block 141, a threaded column 143 is provided above the threaded groove 142, and a limiting circular plate 144 is provided above the threaded column 143; the movable blocks 141 are fixedly connected to the second filter plate 11, the threaded grooves 142 are located directly below the mesh 8, and the threaded grooves 142 are consistent with the threaded columns 143; the movable device 14 can disassemble the second filter plate 11 when cleaning the filter drum 9, and then cooperate with the hollow scraper 15 to clean the inside of the filter drum 9 for subsequent use.

[0030] The water pipe 5 is fixedly connected to the movable plate 4, one end of the water pipe 5 is located inside the first circular groove 12 and coincides with each other, and the water pipe 5 is movably connected to the first circular groove 12; the length of the pull rod 16 is greater than the length of the filter drum 9, the pull rod 16 is located inside the second circular groove 13 and the two coincide with each other, and the pull rod 16 is movably connected to the second circular groove 13; the rotating motor 18 is located outside the filter box 1 and the two are fixedly connected, the rotating shaft 17 is located inside the third circular groove 19 and the two coincide with each other, and the rotating shaft 17 is movably connected to the third circular groove 19; the pull rod 16 can pull the hollow scraper 15 to clean the filter drum, and the rotating motor can rotate the filter drum 9, which can prevent the filtered material from clogging the mesh 8 during the filtration process.

[0031] Working principle: When in use, the utility model first transports sewage to the inside of the filter drum 9 through the water pipe 5, and filters solid impurities in the sewage through the filter drum 9. While filtering, the rotating motor will drive the filter drum 9 to rotate to prevent solid impurities from clogging the filter drum 9 and affecting subsequent filtration. After the filtration is completed, the sewage can be discharged through the funnel-shaped collection box 20 below. After the filtration is completed, the movable plate 4 and the second filter plate 11 can be disassembled to clean the filter drum. When disassembling the movable plate 4, first move the third fixed block 16 upward out of the fixed groove 72, and then the second fixed block 73 of the plate moves upward out of the fixed groove 72 through the slider 74 and the slide groove 6, and then the second fixed blocks on both sides of the movable plate 4 are moved out of the movable groove 3, and then the threaded column 143 is screwed out of the threaded groove 142, and then the second filter plate 11 is separated from the filter drum 9, and then the inner wall of the filter drum 9 is cleaned by the pull rod 16 and the hollow scraper 15, and the solid impurities are scraped out and cleaned, which is convenient for the next filtration work. The rotating motor in the utility model is a prior art and is not described in detail.

[0032] The present invention is not limited to the details of the exemplary embodiments described above, and can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any reference numerals in the claims should not be regarded as limiting the claims involved.

[0033] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A filtering device for sewage treatment, characterized in that: The invention comprises a filter box (1), wherein a plurality of supporting legs (2) are arranged at the bottom of the filter box (1), a movable groove (3) is arranged on the side of the filter box (1), a movable plate (4) is arranged inside the movable groove (3), a water pipe (5) is fixedly passed through the middle of the movable plate (4), slide grooves (6) are symmetrically arranged on both sides of the movable plate (4), the slide grooves (6) comprise a slide groove body (61), and clamping grooves (62) are symmetrically arranged on both sides of the slide groove body (61), and fixing devices (7) are arranged on the sides of the slide groove (6), a filter drum (9) is arranged at the upper end of the filter box (1), a first filter plate (10) is arranged on one side of the filter drum (9), a second filter plate (11) is arranged on the side of the filter drum (9) away from the first filter plate (10), a first circular groove (12) is passed through the middle of the second filter plate (11), and the first circular groove ( 12) are symmetrically provided with second circular grooves (13) at both upper and lower ends, the second filter plate (11) is provided with movable devices (14) at both upper and lower ends close to the first filter plate (10), a hollow scraper (15) is provided inside the filter drum (9), and pull rods (16) are symmetrically provided at both upper and lower ends of the hollow scraper (15) close to the second filter plate (11), a plurality of mesh holes (8) are arranged at equal intervals on the surface of the filter drum (9), a rotating shaft (17) is provided on the side of the first filter plate (10) away from the second filter plate (11), a driving motor (18) is provided on one side of the rotating shaft (17), a third circular groove (19) is provided between the rotating shaft (17) and the filter box (1), a funnel-shaped collecting box (20) is passed through the lower end of the filter box (1), and a plug (21) is provided at the lower end of the funnel-shaped collecting box (20).

2. A filtering device for sewage treatment according to claim 1, characterized in that: The fixing device (7) comprises a first fixing block (71), a fixing groove (72) is provided on the side of the first fixing block (71), a second fixing block (73) is provided on the side of the fixing groove (72), a sliding block (74) is provided on the side of the second fixing block (73) close to the movable plate (4), and clamping blocks (75) are symmetrically provided on both sides of the sliding block (74), a third fixing block (76) is movably connected to the upper end of the fixing groove (72), and a movable plate (77) is provided above the third fixing block (76).

3. A filtering device for sewage treatment according to claim 2, characterized in that: The first fixed block (71) is fixedly connected to the filter box (1), the second fixed block (73) is movably connected to the movable plate (4), the sliding block (74) is located inside the slide groove body (61) and the two are matched, the clamping blocks (75) are located inside the clamping groove (62) and the two are matched, and a part of the side surface of the second fixed block (73) is located inside the fixed groove (72) and the two are movably connected.

4. A filtering device for sewage treatment according to claim 1, characterized in that: The movable device (14) comprises a movable block (141), the upper surface of the movable block (141) is provided with a thread groove (142), a thread column (143) is provided above the thread groove (142), and a limiting circular plate (144) is provided above the thread column (143).

5. A filtering device for sewage treatment according to claim 4, characterized in that: The movable blocks (141) are fixedly connected to the second filter plate (11), the thread grooves (142) are located directly below the mesh holes (8), and the thread grooves (142) are consistent with the threaded columns (143).

6. A filtering device for sewage treatment according to claim 1, characterized in that: The water pipe (5) is fixedly connected to the movable plate (4), one end of the water pipe (5) is located inside the first circular groove (12) and coincides with it, and the water pipe (5) is movably connected to the first circular groove (12).

7. A filtering device for sewage treatment according to claim 1, characterized in that: The length of the pull rod (16) is greater than the length of the filter drum (9); the pull rod (16) is located inside the second circular groove (13) and the two are matched; the pull rod (16) is movably connected to the second circular groove (13).

8. A filtering device for sewage treatment according to claim 1, characterized in that: The driving motor (18) is located outside the filter box (1) and the two are fixedly connected, the rotating shaft (17) is located inside the third circular groove (19) and the two are matched, and the rotating shaft (17) is movably connected to the third circular groove (19).

Images