Wastewater treatment filtering device

Abstract

The utility model belongs to the field of filtering devices, in particular relates to a wastewater treatment filtering device, and aims to solve the problems that the existing wastewater treatment filtering device needs to be independently mounted and fixed by adopting some fixing devices such as bolts or buckles and the like, a filter screen is inconvenient to mount or dismount, the filter screen is directly washed only by clear water, or a single surface of a brush is cleaned, and the cleaning efficiency is low. In order to solve the problems that in the prior art, cleaning is not comprehensive enough, and the effect is poor, according to the scheme, the device comprises a machine shell, four supporting legs are arranged at the bottom of the machine shell, the machine shell can be supported through the four supporting legs, a top cover is arranged at the top of the machine shell, the machine shell and the top cover are fixedly connected through bolts, and a limiting frame is fixedly connected to the inner wall of the bottom of the machine shell; according to the device disclosed by the utility model, not only is the filter screen convenient to mount or dismount, but also the built-in automatic cleaning mechanism can comprehensively clean the filter assembly regularly or as required, so that the filtering efficiency is kept, the service life is prolonged, and the manual maintenance cost is reduced.

Description

Technical Field

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

[0002] With the acceleration of the industrialization process and the enhancement of environmental protection awareness, wastewater treatment has become one of the important fields of environmental protection. As a key device for wastewater treatment, the performance of the wastewater treatment filtering device directly affects the effect and cost of wastewater treatment.

[0003] The existing wastewater treatment filtering devices still have deficiencies in actual use:

[0004] 1. When the wastewater treatment filtering device is in use, it needs to use a filter screen for layer-by-layer filtration. At the same time, the filter screen is located inside the filtering device, and some fixing devices such as bolts or buckles are required to install and fix it separately, making the installation or disassembly of the filter screen inconvenient.

[0005] 2. After the wastewater treatment filtering device is used for a long time, the filter screen holes will become blocked. When the existing filtering device flushes the filter screen holes, it usually only flushes them directly with clean water or uses a brush to brush and clean them. Even when using a brush to clean, it is only a one-sided cleaning, and the cleaning is not comprehensive and the effect is poor. Summary of the Utility Model

[0006] The purpose of the utility model is to solve the deficiencies in the prior art that some fixing devices such as bolts or buckles are required to install and fix it separately, making the installation or disassembly of the filter screen inconvenient, and only flushing it directly with clean water or cleaning it on one side with a brush, resulting in incomplete cleaning and poor effect, and to propose a wastewater treatment filtering device.

[0007] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0008] A wastewater treatment filtering device includes a machine shell. Four support legs are provided at the bottom of the machine shell, and the machine shell can be supported by the four support legs. A top cover is provided at the top of the machine shell, and the machine shell and the top cover are fixedly connected by bolts. A limiting frame is fixedly connected to the bottom inner wall of the machine shell. A fine filter screen and a coarse filter screen are provided inside the machine shell, and the coarse filter screen is located inside the fine filter screen. The bottoms of the fine filter screen and the coarse filter screen are both placed in the limiting frame.

[0009] In a possible design, two annular grooves are provided inside the limiting frame, and four limiting grooves are provided inside the limiting frame. The annular grooves are communicated with the four limiting grooves.

[0010] In a possible design, four limiting blocks are provided on the outer sides of the bottoms of the fine filter screen and the coarse filter screen, and the limiting blocks can be engaged in the limiting grooves. The bottom ends of the fine filter screen and the coarse filter screen are respectively embedded in two annular grooves.

[0011] In a possible design, a driving motor is fixedly installed on the top of the top cover. A first gear is rotatably connected in the top cover. The output shaft of the driving motor extends into the top cover and is fixedly connected to one end of the rotating shaft of the first gear. A connecting ring is rotatably connected in the top cover. A second gear is fixedly sleeved on the outer wall of the connecting ring, and the first gear is engaged with the second gear.

[0012] In a possible design, two connecting frames are provided in the casing. The outer sides of the two connecting frames close to each other are fixedly connected to the outer side of the connecting ring. Two U-shaped frames are fixedly connected to the bottoms of the two connecting frames. The two U-shaped frames are respectively sleeved on the fine filter screen and the coarse filter screen. Two bristles are provided in each U-shaped frame, and every two bristles face each other and brush and clean the fine filter screen and the coarse filter screen respectively.

[0013] In a possible design, a sewage discharge pipe is fixedly installed at the bottom of the casing. One end of the sewage discharge pipe extends into the casing, and a sewage discharge valve is fixedly installed at the other end of the sewage discharge pipe.

[0014] In a possible design, fitting rings are provided on the tops of the fine filter screen and the coarse filter screen. Fitting blocks are provided at the bottoms of the two U-shaped frames, and every two fitting blocks slide in the same fitting ring.

[0015] In a possible design, a water inlet pipe is fixedly installed on the top of the top cover. The water inlet pipe passes through the top cover and extends into the casing. The connecting ring is rotatably sleeved on the outer wall of the water inlet pipe. A water outlet pipe is fixedly installed on one side of the casing, and the water outlet pipe extends into the casing.

[0016] In this application, the device main body is stably placed through four support legs at the bottom. The top cover at the top is tightly connected to the top of the casing by bolts. Sewage enters from the water inlet pipe, flows through the casing and out from the water outlet pipe. Inside the main casing, there is an inner wall structure limiting frame fixedly connected for supporting the fine filter screen and the coarse filter screen. The coarse filter screen is located inside the fine filter screen to form a multi-stage filtering system. The limiting frames at the bottoms of the fine filter screen and the coarse filter screen can be matched and limited with the limiting grooves. The two connecting frames are respectively embedded into the two fitting rings through the fitting blocks, thereby limiting the fine filter screen and the coarse filter screen. Start the driving motor. Through the meshing of the first gear and the second gear, drive the two connecting frames to rotate. The connecting frames clean the two sides of the fine filter screen and the coarse filter screen through the corresponding brushes in pairs. Open the sewage discharge valve, and the sewage flows out along the sewage discharge pipe.

[0017] Beneficial effects:

[0018] In the present utility model, for the wastewater treatment and filtration device, the filtration assembly adopts a snap - fit design, which is convenient for quick installation and disassembly, simplifies the maintenance process, and improves work efficiency.

[0019] In the present utility model, for the wastewater treatment and filtration device, every two mating blocks are respectively located on both sides of the fine filter screen and the coarse filter screen. By rotating the connecting ring, the two sides of the fine filter screen and the coarse filter screen can be brushed and cleaned.

[0020] In the present utility model, the device is not only convenient for installing or disassembling the filter screen, but also the built - in automatic cleaning mechanism can clean the filtration assembly comprehensively regularly or as needed, maintain the filtration efficiency, extend the service life, and reduce the manual maintenance cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 is a three - dimensional structure schematic diagram of a wastewater treatment and filtration device proposed by the present utility model;

[0022] Figure 2 is a sectional structure schematic diagram of a wastewater treatment and filtration device proposed by the present utility model;

[0023] Figure 3 is an exploded structure schematic diagram of a limiting frame of a wastewater treatment and filtration device proposed by the present utility model;

[0024] Figure 4 is a three - dimensional exploded structure schematic diagram of a part of the fine filter screen of a wastewater treatment and filtration device proposed by the present utility model.

[0025] In the figure: 1, housing; 2, water inlet pipe; 3, drive motor; 4, top cover; 5, water outlet pipe; 6, support leg; 7, sewage pipe; 8, sewage valve; 9, fine filter screen; 10, first gear; 11, second gear; 12, limiting frame; 13, limiting block; 14, limiting groove; 15, mating ring; 16, connecting frame; 17, mating block; 18, coarse filter screen; 19, connecting ring. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0026] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments.

[0027] Embodiment 1

[0028] Refer to Figures 1 to 4, a filtering device, comprising a casing 1, four support legs 6 are provided at the bottom of the casing 1, and the casing 1 can be supported by the four support legs 6. A top cover 4 is provided at the top of the casing 1, and the casing 1 and the top cover 4 are fixedly connected by bolts. A limiting frame 12 is fixedly connected to the inner wall of the bottom of the casing 1. A fine filter screen 9 and a coarse filter screen 18 are provided in the casing 1, and the coarse filter screen 18 is located inside the fine filter screen 9. The bottoms of the fine filter screen 9 and the coarse filter screen 18 are both placed in the limiting frame 12. The four support legs 6 are firmly installed at the bottom of the casing 1 for stable support. The top cover 4 is aligned with the top of the casing 1, and the two are fastened and connected with bolts. The combined use of the coarse filter screen 18 and the fine filter screen 9 can achieve double filtration.

[0029] Refer to Figure 3 , two annular grooves are provided in the limiting frame 12, and four limiting grooves 14 are provided in the limiting frame 12. The annular grooves are communicated with the four limiting grooves 14 to form an accommodation chamber.

[0030] Refer to Figure 3 , four limiting blocks 13 are provided on the outer sides of the bottoms of the fine filter screen 9 and the coarse filter screen 18, and the limiting blocks 13 can form a snap fit in the limiting grooves 14. The bottom ends of the fine filter screen 9 and the coarse filter screen 18 are respectively embedded in the two annular grooves, so as to accommodate and limit the bottom ends of the fine filter screen 9 and the coarse filter screen 18.

[0031] Refer to Figure 4 , a driving motor 3 is fixedly installed on the top of the top cover 4. A first gear 10 is rotatably connected in the top cover 4, and the output shaft of the driving motor 3 extends into the top cover 4 and is fixedly connected to one end of the rotating shaft of the first gear 10. A connecting ring 19 is rotatably connected in the top cover 4. A second gear 11 is fixedly sleeved on the outer wall of the connecting ring 19, and the first gear 10 and the second gear 11 are meshed with each other. When the driving motor 3 is started, the connecting ring 19 and the two connecting frames 16 are driven to rotate through the meshing transmission of the first gear 10 and the second gear 11.

[0032] Refer to Figure 4 , two connecting frames 16 are provided in the casing 1, and the sides of the two connecting frames 16 close to each other are both fixedly connected to the outside of the connecting ring 19. Two U-shaped frames are fixedly connected to the bottoms of the two connecting frames 16, and the two U-shaped frames are respectively sleeved on the fine filter screen 9 and the coarse filter screen 18. Two bristles are provided in each U-shaped frame, and every two bristles are opposite to each other and brush and clean the fine filter screen 9 and the coarse filter screen 18 respectively. The U-shaped frames at the bottoms of the connecting frames 16 will rotate along with the connecting frames 16, and the bristles in the U-shaped frames brush and clean the fine filter screen 9 and the coarse filter screen 18 to prevent blockage.

[0033] Refer to Figure 4, a sewage discharge pipe 7 is fixedly installed at the bottom of the casing 1, and one end of the sewage discharge pipe 7 extends into the casing 1. A sewage discharge valve 8 is fixedly installed at the other end of the sewage discharge pipe 7. When it is necessary to discharge the sediment at the bottom of the casing 1, the sewage discharge valve 8 is opened, and the dirt is discharged through the sewage discharge pipe 7.

[0034] Refer to Figure 4 , a mating ring 15 is provided at the top of both the fine filter screen 9 and the coarse filter screen 18. A mating block 17 is provided at the bottom of each of the two U-shaped frames, and every two mating blocks 17 slide within the same mating ring 15, which can be used to resist the fine filter screen 9 and the coarse filter screen 18 from above, thereby achieving a limiting effect.

[0035] This application can be used in the field of wastewater treatment and other fields applicable to this application.

[0036] Embodiment 2

[0037] Reference Figure 1 and Figure 4 , on the basis of Embodiment 1, an improvement is made: a wastewater treatment and filtration device, which is applied to the field of wastewater treatment. A water inlet pipe 2 is fixedly installed at the top of the top cover 4, and the water inlet pipe 2 passes through the top cover 4 and extends into the casing 1. A connecting ring 19 is rotatably sleeved on the outer wall of the water inlet pipe 2. A water outlet pipe 5 is fixedly installed on one side of the casing 1, and the water outlet pipe 5 extends into the casing 1. The water inlet pipe 2 penetrates through the top cover 4, and water can be injected into the interior of the coarse filter screen 18 and flow out through the water outlet pipe 5 after filtration.

[0038] However, as is well known to those skilled in the art, the working principle and wiring method of the drive motor 3 are common knowledge, and they all belong to conventional means or well-known common sense, so they will not be elaborated here. Those skilled in the art can make any selection according to their needs or convenience.

[0039] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution of the present invention and its inventive concept, makes equivalent replacements or changes, and should be covered within the protection scope of the present invention.

Claims

1. A wastewater treatment filtration device, characterized in that: include: A casing (1), wherein four supporting legs (6) are provided at the bottom of the casing (1), and the casing (1) can be supported by the four supporting legs (6); a top cover (4) is provided at the top of the casing (1), and the casing (1) and the top cover (4) are fixedly connected by bolts; a limiting frame (12) is fixedly connected to the inner wall of the bottom of the casing (1); a fine filter (9) and a coarse filter (18) are provided in the casing (1), and the coarse filter (18) is located in the fine filter (9), and the fine filter (9) and the coarse filter (18) are fixedly connected to the inner wall of the bottom of the casing (1); The bottom of the filter screen (18) is placed in a limiting frame (12), two annular grooves are provided in the limiting frame (12), four limiting grooves (14) are provided in the limiting frame (12), the annular grooves and the four limiting grooves (14) are connected, four limiting blocks (13) are provided on the outer sides of the bottoms of the fine filter screen (9) and the coarse filter screen (18), and the limiting blocks (13) can be engaged in the limiting grooves (14), and the bottom ends of the fine filter screen (9) and the coarse filter screen (18) are respectively embedded in the two annular grooves.

2. A wastewater treatment filtration device according to claim 1, characterized in that: A driving motor (3) is fixedly mounted on the top of the top cover (4); a first gear (10) is rotatably connected inside the top cover (4); an output shaft of the driving motor (3) extends into the top cover (4) and is fixedly connected to one end of a rotating shaft of the first gear (10); a connecting ring (19) is rotatably connected inside the top cover (4); a second gear (11) is fixedly sleeved on an outer wall of the connecting ring (19); and the first gear (10) and the second gear (11) are meshed.

3. A wastewater treatment filtration device according to claim 1, characterized in that: Two connecting frames (16) are arranged inside the casing (1), and the sides of the two connecting frames (16) close to each other are fixedly connected to the outer side of the connecting ring (19), and the bottoms of the two connecting frames (16) are fixedly connected to two U-shaped frames, and the two U-shaped frames are respectively mounted on the fine filter (9) and the coarse filter (18), and two brushes are arranged inside the U-shaped frames, and each pair of brushes is opposite to each other, and the fine filter (9) and the coarse filter (18) are brushed and cleaned respectively.

4. A wastewater treatment filtration device according to claim 1, characterized in that: A sewage discharge pipe (7) is fixedly mounted on the bottom of the casing (1), and one end of the sewage discharge pipe (7) extends into the casing (1), while a sewage discharge valve (8) is fixedly mounted on the other end of the sewage discharge pipe (7).

5. A wastewater treatment filtration device according to claim 3, characterized in that: The tops of the fine filter screen (9) and the coarse filter screen (18) are both provided with matching rings (15), the bottoms of the two U-shaped frames are both provided with matching blocks (17), and every two matching blocks (17) slide in the same matching ring (15).

6. A wastewater treatment filtration device according to claim 1, characterized in that: A water inlet pipe (2) is fixedly mounted on the top of the top cover (4), and the water inlet pipe (2) passes through the top cover (4) and extends into the casing (1); a connecting ring (19) is rotatably sleeved on the outer wall of the water inlet pipe (2); a water outlet pipe (5) is fixedly mounted on one side of the casing (1), and the water outlet pipe (5) extends into the casing (1).

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