Efficient nitrogen and phosphorus removal ecological percolation sewage treatment device

Abstract

The utility model discloses an efficient nitrogen and phosphorus removal ecological percolation sewage treatment device, which belongs to the technical field of sewage treatment, and comprises an air blower and a primary sedimentation tank, one end of the primary sedimentation tank is communicated with a grating tank, one end of the grating tank is communicated with a regulating tank, one end of the regulating tank is communicated with an anaerobic tank, one end of the anaerobic tank is communicated with an anoxic tank, and the other end of the anoxic tank is communicated with an aerobic tank. One end of the anoxic tank is communicated with an aerobic tank, one end of the aerobic tank is communicated with a sedimentation tank, one end of the sedimentation tank is communicated with an ecological filter tank, one end of the ecological filter tank is communicated with a clean water tank, a first baffle is arranged in the primary sedimentation tank, a grating is mounted in the grating tank, and a scraper assembly is mounted on the grating. According to the utility model, the filtering window is arranged on the first baffle plate, so that floaters in water are preliminarily filtered after clarification, some larger floaters are filtered, and the subsequent filtering efficiency is improved; and by arranging a scraping plate, after the sling is pulled, impurities such as floaters filtered on the filter plate can be conveniently scraped off through the scraping plate.

Description

Technical Field

[0001] The utility model relates to a sewage treatment device, in particular to a high-efficiency nitrogen and phosphorus removal ecological infiltration sewage treatment device, belonging to the technical field of sewage treatment. Background Art

[0002] China's patent application for a highly efficient denitrification and phosphorus removal ecological infiltration sewage treatment device (202221757641.8) discloses a grille pool, one end of the grille pool is connected to a regulating pool, one end of the regulating pool is connected to a sedimentation pool, one end of the sedimentation pool is connected to an anaerobic pool, one end of the anaerobic pool is connected to an intermediate distribution pool, one end of the intermediate distribution pool is connected to an ecological filtration system, one end of the ecological filtration system is connected to an ecological infiltration system, and the ecological filtration system consists of a first filter chamber and a second filter chamber. The highly efficient denitrification and phosphorus removal ecological infiltration sewage treatment device adds an ecological filtration device on the basis of the pretreatment system, strengthens the removal of phosphorus in the early stage, and can replace and flush the filter material of the ecological filtration device, reduce the processing load of the subsequent ecological infiltration system, optimize the ecological infiltration system into an upper infiltration zone and a lower infiltration zone, effectively construct anoxic zone, anoxic zone and aerobic zone, and strengthen the removal of nitrogen.

[0003] When treating raw water, it is usually troublesome and inconvenient to clean the impurities filtered by the screen. Utility Model Content

[0004] The main purpose of the utility model is to solve the problem that the cleaning operation is troublesome and inconvenient to clean, and to provide a high-efficiency nitrogen and phosphorus removal ecological infiltration sewage treatment device.

[0005] The purpose of the utility model can be achieved by adopting the following technical solutions:

[0006] A high-efficiency denitrification and dephosphorization ecological infiltration sewage treatment device comprises a blower and a preliminary sedimentation tank, one end of the preliminary sedimentation tank is connected to a grille tank, one end of the grille tank is connected to a regulating tank, one end of the regulating tank is connected to an anaerobic tank, one end of the anaerobic tank is connected to an anoxic tank, one end of the anoxic tank is connected to an aerobic tank, one end of the aerobic tank is connected to a sedimentation tank, one end of the sedimentation tank is connected to an ecological filter tank, one end of the ecological filter tank is connected to a clear water tank, a first baffle is provided inside the preliminary sedimentation tank, a grille is installed inside the grille tank, and a scraper assembly is installed on the grille.

[0007] Furthermore, a valve is provided on the path connecting the blower with the regulating tank, the anoxic tank and the aerobic tank.

[0008] Furthermore, the height of the first baffle is lower than the depth inside the preliminary sedimentation tank.

[0009] Furthermore, a filter window is installed on the top of the first baffle.

[0010] Furthermore, the grille includes a filter plate and second baffles installed at both ends of the filter plate.

[0011] Furthermore, the scraper assembly includes a scraper slidably mounted on the filter plate.

[0012] Furthermore, both ends of the scraper are equipped with clamping columns, and the tops of the clamping columns are equipped with slings.

[0013] Furthermore, a scraper is installed on one side of the scraper facing the filter plate.

[0014] Furthermore, a plurality of scrapers are installed at the other end of the scraper.

[0015] Furthermore, the blower is connected to the regulating tank, the anoxic tank and the aerobic tank respectively through air ducts.

[0016] The beneficial technical effects of the utility model are as follows: according to the high-efficiency nitrogen removal and phosphorus removal ecological infiltration sewage treatment device of the utility model, a filter window is set on the first baffle plate, and the floating objects in the water are preliminarily filtered after clarification, and some larger floating objects are filtered to improve the efficiency of subsequent filtration; by setting a scraper, after the sling is pulled, it is convenient to scrape off the floating objects and other impurities filtered on the filter plate through the scraper. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the preliminary sedimentation tank of the utility model;

[0019] Figure 3 This is a schematic diagram of the baffle structure of the utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the grid pool of the utility model;

[0021] Figure 5 This is a schematic diagram of the grille structure of the utility model;

[0022] Figure 6 This is a schematic diagram of the scraper structure of the utility model.

[0023] In the figure: 1. preliminary sedimentation tank; 2. grille tank; 3. regulating tank; 4. anaerobic tank; 5. anoxic tank; 6. aerobic tank; 7. sedimentation tank; 8. ecological filter tank; 9. clear water tank; 10. blower; 11. first baffle; 12. filter window; 13. grille; 14. filter plate; 15. second baffle; 16. scraper; 17. scraper; 18. clamping column; 19. sling. DETAILED DESCRIPTION

[0024] In order to make the technical solution of the present invention more clear and specific to those skilled in the art, the present invention is further described in detail below in conjunction with embodiments and drawings, but the implementation methods of the present invention are not limited thereto.

[0025] like Figure 1-Figure 6 As shown, the high-efficiency nitrogen removal and phosphorus removal ecological infiltration sewage treatment device provided in this embodiment includes a blower 10 and a preliminary sedimentation tank 1, one end of the preliminary sedimentation tank 1 is connected to a grille tank 2, one end of the grille tank 2 is connected to a regulating tank 3, one end of the regulating tank 3 is connected to an anaerobic tank 4, one end of the anaerobic tank 4 is connected to an anoxic tank 5, one end of the anoxic tank 5 is connected to an aerobic tank 6, one end of the aerobic tank 6 is connected to a sedimentation tank 7, one end of the sedimentation tank 7 is connected to an ecological filter tank 8, one end of the ecological filter tank 8 is connected to a clean water tank 9, the blower 10 is connected to the regulating tank 3, the anoxic tank 5 and the aerobic tank 6 respectively through an air duct, and valves are respectively provided on the connecting paths to facilitate cutting off the air supply; the filtered water is then filtered through the ecological filter tank 8 and enters the clean water tank 9, and is discharged after being tested to meet the standards.

[0026] A first baffle 11 is provided inside the preliminary sedimentation tank 1. The height of the first baffle 11 is lower than the depth inside the preliminary sedimentation tank 1. A filter window 12 is installed on the top of the first baffle 11. The clarified water is preliminarily filtered through the filter window 12. By adjusting the liquid level inside the preliminary sedimentation tank 1, the clarified water can be discharged through the filter window 12 or through the top of the first baffle 11 and overflow through the top of the first baffle 11. It is mainly used when the flow rate is large or the filter window 12 is blocked.

[0027] A grid 13 is installed inside the grid pool 2, and the clarified water is filtered through the grid 13. The grid 13 includes a filter plate 14 and a second baffle 15 installed at both ends of the filter plate 14. A scraper 16 is slidably installed on the filter plate 14. Columns 18 are installed at both ends of the scraper 16. A sling 19 is installed on the top of the column 18. A scraper is installed on the side of the scraper 16 facing the filter plate 14, and a plurality of scrapers 17 are installed at the other end of the scraper 16. When sliding, the plurality of scrapers 17 can hook floating objects, so that the debris on the filter plate 14 can be cleaned conveniently.

[0028] In summary, in this embodiment, according to the high-efficiency nitrogen removal and phosphorus removal ecological infiltration sewage treatment device of this embodiment, by setting a filter window 12 on the first baffle 11, the floating objects in the water are preliminarily filtered after clarification, and some larger floating objects are filtered to improve the efficiency of subsequent filtration; by setting a scraper 16, after the sling 19 is pulled, it is convenient to scrape off the floating objects and other impurities filtered on the filter plate 14 through the scraper 16.

[0029] The above is only a further embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the scope disclosed by the present invention according to the technical solution and concept of the present invention, which fall within the protection scope of the present invention.

Claims

1. A highly efficient denitrification and phosphorus removal ecological infiltration sewage treatment device, characterized in that: The invention comprises a blower (10) and a preliminary sedimentation tank (1), wherein one end of the preliminary sedimentation tank (1) is connected to a grille tank (2), one end of the grille tank (2) is connected to a regulating tank (3), one end of the regulating tank (3) is connected to an anaerobic tank (4), one end of the anaerobic tank (4) is connected to an anoxic tank (5), one end of the anoxic tank (5) is connected to an aerobic tank (6), one end of the aerobic tank (6) is connected to a sedimentation tank (7), one end of the sedimentation tank (7) is connected to an ecological filter tank (8), one end of the ecological filter tank (8) is connected to a clear water tank (9), a first baffle (11) is provided inside the preliminary sedimentation tank (1), a grille (13) is installed inside the grille tank (2), and a scraper assembly is installed on the grille (13).

2. The highly efficient denitrification and phosphorus removal ecological infiltration sewage treatment device according to claim 1 is characterized in that: A valve is provided on the path connecting the blower (10) with the regulating tank (3), the anoxic tank (5) and the aerobic tank (6).

3. The highly efficient denitrification and phosphorus removal ecological infiltration sewage treatment device according to claim 1 is characterized in that: The height of the first baffle (11) is lower than the depth inside the preliminary sedimentation tank (1).

4. The highly efficient denitrification and phosphorus removal ecological infiltration sewage treatment device according to claim 3 is characterized in that: A filter window (12) is installed on the top of the first baffle (11).

5. The highly efficient denitrification and phosphorus removal ecological infiltration sewage treatment device according to claim 4 is characterized in that: The grille (13) comprises a filter plate (14) and second baffles (15) mounted on both ends of the filter plate (14).

6. The highly efficient denitrification and phosphorus removal ecological infiltration sewage treatment device according to claim 5 is characterized in that: The scraper assembly comprises a scraper (16) slidably mounted on the filter plate (14).

7. The highly efficient denitrification and phosphorus removal ecological infiltration sewage treatment device according to claim 6 is characterized in that: Both ends of the scraper (16) are equipped with clamping columns (18), and the top of the clamping column (18) is equipped with a sling (19).

8. The highly efficient denitrification and phosphorus removal ecological infiltration sewage treatment device according to claim 6 is characterized in that: A scraper is installed on one side of the scraper (16) facing the filter plate (14).

9. The highly efficient nitrogen and phosphorus removal ecological infiltration sewage treatment device according to claim 6 is characterized in that: A plurality of scrapers (17) are mounted on the other end of the scraper (16).

10. The highly efficient nitrogen and phosphorus removal ecological infiltration sewage treatment device according to claim 1 is characterized in that: The blower (10) is respectively connected to the regulating tank (3), the anoxic tank (5) and the aerobic tank (6) through air guide pipes.

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