Multi-filtering device for sewage

Abstract

The utility model discloses a sewage multi-filtering device which comprises a transversely arranged box body, a water inlet joint and a water outlet joint are arranged at two ends of the box body along the length direction, a plurality of filter plates with square structures are arranged in an inner cavity of the box body, the plurality of filter plates are uniformly arranged along the transverse direction, and the mesh number of the plurality of filter plates is sequentially increased along the sewage flowing direction; a grating plate fixedly connected with the filter plate is arranged on one side of the filter plate, the grating plate is fixedly connected to the inner wall of the box body, a plurality of dirt scraping assemblies capable of rotating are arranged on the other side of the filter plate, the dirt scraping assemblies are circumferentially distributed on the periphery of the main shaft, and the main shaft penetrates through the filter plate and the grating plate in the horizontal direction; the dirt scraping assembly is composed of a scraping plate and a buckling plate, the buckling plate is of a U-shaped structure, and the scraping plate is arranged in the buckling plate in a sliding mode. According to the utility model, multiple filtration of sewage can be realized, the problem that the filter holes are blocked by dirt is avoided, and the filtration efficiency of the filter plate is ensured.

Description

Technical Field

[0001] The utility model relates to a sewage multi - filtration device, belonging to the technical field of sewage treatment. Background Art

[0002] Sewage treatment refers to the process of treating wastewater containing pollutants through a series of processes to meet the environmental discharge standards or reuse requirements. The primary step in sewage treatment is filtration, which refers to filtering through a sieve or filter plate to remove large particles and suspended solids in the sewage.

[0003] After long - term use of the existing sewage filtration device, dirt and impurities will adhere to the filter element, resulting in blockage of the filter holes, affecting the filtration efficiency, and causing problems such as poor sewage treatment effect.

[0004] In summary, it is obvious that the existing technology has inconveniences and defects in actual use, so it is necessary to improve it. Content of the Utility Model

[0005] Aiming at the deficiencies in the background art, the utility model provides a sewage multi - filtration device, which can achieve multi - filtration of sewage, avoid the problem of dirt blocking the filter holes, and ensure the filtration efficiency of the filter plate.

[0006] To solve the above technical problems, the utility model adopts the following technical solutions:

[0007] The sewage multi - filtration device includes a horizontally arranged box body. Water inlet joints and water outlet joints are provided at both ends of the box body along the length direction. A plurality of square - structured filter plates are arranged in the inner cavity of the box body. The plurality of filter plates are evenly arranged horizontally, and the mesh numbers of the plurality of filter plates increase successively along the sewage flow direction;

[0008] One side of the filter plate is provided with a grid plate fixedly connected thereto, and the grid plate is fixedly connected to the inner wall of the box body. The other side of the filter plate is provided with a plurality of rotatable dirt - scraping components. The plurality of dirt - scraping components are circumferentially distributed around the periphery of the main shaft. The main shaft penetrates through the filter plate and the grid plate horizontally.

[0009] The dirt - scraping component is composed of a scraper and a clamping plate. The clamping plate is of a U - shaped structure, and the scraper is slidably arranged in the clamping plate.

[0010] Further, the water inlet joint extends into the inner cavity of the box body, and a hemispherical buffer plate is provided at the inner end of the water inlet joint. The buffer plate is fixedly installed at the top of the inner cavity of the box body.

[0011] Further, one end of the main shaft passes through the side wall of the box body and is connected to a driving motor, and the other end of the main shaft passes through the side wall of the box body and is connected to a bearing seat.

[0012] Further, the drive motor and the bearing seat are respectively installed on the support seat, and the support seat is fixedly connected to the outer wall of the box body.

[0013] Further, the sewage scraping assembly is installed at one end of the support arm, and a clamping groove for installing the sewage scraping assembly is provided at the end of the support arm.

[0014] Further, the other end of the support arm is connected to the fixed seat, and the fixed seat is installed on the main shaft through a pin shaft.

[0015] Further, a plurality of sewage collection hoppers are fixedly connected to the bottom of the box body and are uniformly arranged in the transverse direction.

[0016] Further, the bottom of the sewage collection hopper is inclined, and a sewage discharge port is provided at the bottom end of the sewage collection hopper.

[0017] After the present utility model adopts the above technical solutions, compared with the prior art, it has the following advantages:

[0018] In the present utility model, the mesh numbers of a plurality of filter plates increase sequentially in the sewage flow direction, so that multiple filtration of sewage can be realized through the plurality of filter plates;

[0019] The drive motor in the present utility model can drive the main shaft to rotate. During the rotation of the main shaft, the sewage scraping assembly is driven to rotate through the fixed seat and the support arm. During the rotation of the sewage scraping assembly, the dirt on the surface of the filter plate is timely scraped off to prevent the filter holes from being blocked by dirt and ensure the filtration efficiency of the filter plate.

[0020] The present utility model will be described in detail below with reference to the drawings and embodiments. Description of the Drawings

[0021] Figure 1 is a schematic structural diagram of the present utility model;

[0022] Figure 2 is a schematic internal structure diagram of the present utility model;

[0023] Figure 3 is a schematic distribution diagram of the filter plate and the sewage scraping assembly;

[0024] Figure 4 is a schematic connection diagram of the sewage scraping assembly and the support arm.

[0025] In the figure, 1-box body, 2-sewage collection hopper, 3-sewage discharge port, 4-inlet joint, 5-outlet joint, 6-buffer plate, 7-filter plate, 8-grille plate, 9-main shaft, 10-drive motor, 11-bearing seat, 12-support seat, 13-sewage scraping assembly, 131-scraper, 132-fastening plate, 14-support arm, 141-clamping groove, 15-fixed seat. Detailed Embodiment

[0026] For a clearer understanding of the technical features, objectives, and effects of the present utility model, the specific implementation manners of the present utility model will now be described with reference to the accompanying drawings.

[0027] As Figures 1 - 4 Collectively shown, the present utility model provides a sewage multi-filtering device, which includes a horizontally arranged box body 1. Water inlet connectors 4 and water outlet connectors 5 are provided at both ends of the box body 1 along the length direction. A plurality of square-structured filter plates 7 are arranged in the inner cavity of the box body 1. The plurality of filter plates 7 are evenly arranged horizontally, and the mesh numbers of the plurality of filter plates 7 increase sequentially along the sewage flow direction.

[0028] The water inlet connector 4 extends into the inner cavity of the box body 1. A buffer plate 6 with a hemispherical structure is provided at the inner end of the water inlet connector 4. The buffer plate 6 is fixedly installed at the top of the inner cavity of the box body 1, and the buffer plate 6 buffers and reduces the speed of the incoming water.

[0029] One side of the filter plate 7 is provided with a grille plate 8 fixedly connected thereto. The grille plate 8 is fixedly connected to the inner wall of the box body 1. The grille plate 8 functions to strengthen the strength of the filter plate 7 to prevent the problem that the filter plate 7 is deformed due to the long-term impact of sewage.

[0030] The other side of the filter plate 7 is provided with a plurality of rotatable dirt scraping assemblies 13. The plurality of dirt scraping assemblies 13 are circularly distributed around the outer periphery of the main shaft 9.

[0031] The main shaft 9 penetrates through the filter plate 7 and the grille plate 8 horizontally. One end of the main shaft 9 passes through the side wall of the box body 1 and is connected to the driving motor 10, and the other end of the main shaft 9 passes through the side wall of the box body 1 and is connected to the bearing seat 11.

[0032] The driving motor 10 and the bearing seat 11 are respectively installed on the support seat 12, and the support seat 12 is fixedly connected to the outer wall of the box body 1.

[0033] The dirt scraping assembly 13 is installed at one end of the support arm 14, and a card slot 141 for installing the dirt scraping assembly 13 is provided at the end of the support arm 14.

[0034] The other end of the support arm 14 is connected to the fixed seat 15, and the fixed seat 15 is installed on the main shaft 9 through a pin shaft.

[0035] During the rotation of the main shaft 9, the dirt scraping assembly 13 is driven to rotate through the fixed seat 15 and the support arm 14. During the rotation of the dirt scraping assembly 13, the dirt on the surface of the filter plate 7 is scraped off.

[0036] The dirt scraping assembly 13 is composed of a scraper 131 and a buckle plate 132. The scraper 131 is made of rubber material, and the buckle plate 132 is of a U-shaped structure. The scraper 131 is slidably arranged in the buckle plate 132. The scraper 131 and the buckle plate 132 are convenient for assembly and disassembly, which is conducive to subsequent maintenance.

[0037] A plurality of sewage collection hoppers 2 are fixedly connected to the bottom of the box body 1 and are uniformly arranged in the transverse direction. The sewage collection hoppers 2 are used to collect the dirt filtered out by the filter plates 7 and the dirt scraped off by the dirt scraping assembly 13.

[0038] The bottom of the sewage collection hopper 2 is inclined, and a sewage discharge port 3 is arranged at the bottom end of the sewage collection hopper 2.

[0039] The specific working principle of the utility model is as follows:

[0040] Sewage enters the inner cavity of the box body 1 through the water inlet joint 4. The mesh numbers of the plurality of filter plates 7 increase sequentially along the sewage flow direction. Therefore, multiple filtration of the sewage can be realized through the plurality of filter plates 7, and the sewage after multiple filtration is discharged from the box body 1 through the water outlet joint 5.

[0041] The drive motor 10 in the utility model can drive the main shaft 9 to rotate. During the rotation of the main shaft 9, the dirt scraping assembly 13 is driven to rotate through the fixed seat 15 and the support arm 14. The dirt scraping assembly 13 scrapes off the dirt on the surface of the filter plate 7 in time during the rotation process to prevent the dirt from blocking the filter holes and ensure the filtration efficiency of the filter plate 7.

[0042] The above is an example of the best implementation mode of the utility model, and the parts not described in detail are all common general knowledge of those skilled in the art. The protection scope of the utility model is subject to the content of the claims, and any equivalent transformation based on the technical inspiration of the utility model is also within the protection scope of the utility model.

Claims

1. Multiple sewage filtration device, characterized in that: It includes a horizontally arranged box body (1). At both ends of the box body (1) along the length direction, there are a water inlet joint (4) and a water outlet joint (5). In the inner cavity of the box body (1), there are multiple filter plates (7) with a square structure. The multiple filter plates (7) are evenly arranged horizontally, and the mesh number of the multiple filter plates (7) increases sequentially along the sewage flow direction; on one side of the filter plate (7), there is a grille plate (8) fixedly connected thereto, and the grille plate (8) is fixedly connected to the inner wall of the box body (1). On the other side of the filter plate (7), there are multiple rotatable dirt scraping assemblies (13). The multiple dirt scraping assemblies (13) are circularly distributed around the main shaft (9). The main shaft (9) is arranged horizontally through the filter plate (7) and the grille plate (8); the dirt scraping assembly (13) is composed of a scraping plate (131) and a clamping plate (132). The clamping plate (132) is of a U-shaped structure, and the scraping plate (131) is slidably arranged in the clamping plate (132).

2. The sewage multi-filtering device according to claim 1, wherein: The water inlet joint (4) extends into the inner cavity of the box body (1). At the inner end of the water inlet joint (4), there is a buffer plate (6) with a hemispherical structure, and the buffer plate (6) is fixedly installed at the top of the inner cavity of the box body (1).

3. The sewage multi-filter device according to claim 1, characterized in that: One end of the main shaft (9) passes through the side wall of the box body (1) and is connected to the driving motor (10), and the other end of the main shaft (9) passes through the side wall of the box body (1) and is connected to the bearing seat (11).

4. The sewage multi-filtering device according to claim 3, wherein: The driving motor (10) and the bearing seat (11) are respectively installed on the support seat (12), and the support seat (12) is fixedly connected to the outer wall of the box body (1).

5. The sewage multi-filtering device according to claim 1, characterized in that: The dirt scraping assembly (13) is installed at one end of the support arm (14), and a clamping groove (141) for installing the dirt scraping assembly (13) is provided at the end of the support arm (14).

6. The sewage multi-filtering device according to claim 5, wherein: The other end of the support arm (14) is connected to the fixed seat (15), and the fixed seat (15) is installed on the main shaft (9) through a pin shaft.

7. The sewage multi-filtering device according to claim 1, characterized in that: At the bottom of the box body (1), there are multiple collection hoppers (2) evenly arranged horizontally and fixedly connected thereto.

8. The sewage multi - filtration device according to claim 7, characterized in that: The bottom of the collection hopper (2) is inclined, and a sewage outlet (3) is provided at the bottom end of the collection hopper (2).

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