Sewage total nitrogen removal device

Abstract

The utility model relates to the field of sewage treatment, in particular to a sewage total nitrogen removal device which comprises a treatment pond, a discharge port is welded in the center of the outer wall of one side of the treatment pond, cleaning structures are mounted at the tops of the inner walls of the two sides of the treatment pond, and a center plate is mounted in the center of the outer wall of the top of the treatment pond. Aeration devices are mounted at the two ends of the central plate, and one end of each aeration device extends into the treatment tank; the cleaning structure comprises sliding strips mounted at the tops of the two ends of the treatment pond, a driving screw rod rotationally connected to the treatment pond and located in the center of the sliding strips, and a driving rod screwed to the outer wall of the driving screw rod. The driving motor is started to drive the driving screw rod to rotate, so that the scraping plate slowly moves impurities at the bottom of the treatment pond to the collecting opening, the scraping plate pushes the impurities into the blocking frame, the precipitated impurities are centrally treated through the blocking frame, the treatment pond is convenient to clean, and the mixing speed of additives is convenient to accelerate.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage treatment, in particular to a sewage total nitrogen removal device. Background Art

[0002] Sewage can be defined, depending on its source, as liquid or water containing waste that is discharged from residential, institutional, commercial, or industrial areas and mixed with groundwater, surface water, stormwater, etc. There are many types of sewage, and accordingly, there are many technologies and techniques to reduce the impact of sewage on the environment.

[0003] During sewage treatment, some additives need to be added and mixed into the sewage to remove the substances contained in the sewage. Among them, the denitrification and dephosphorization agent is a composite cationic inorganic polymer flocculant with a polyhydroxyl multi-complex with iron ions as the core. It has a strong complexing effect on negatively charged phosphate groups. At the same time, its hydrolysis products can adsorb a considerable amount of phosphorus and nitrogen compounds. Some additives will fuse with substances in the sewage and carry the substances to the bottom, causing some impurities to accumulate at the bottom of some sewage pools, making it difficult to clean. Utility Model Content

[0004] The purpose of this utility model is to address the above-mentioned problems and shortcomings and propose a sewage total nitrogen removal device: starting the drive motor to drive the drive screw to rotate, so that the scraper slowly moves the impurities at the bottom of the treatment pool to the collection port, and the scraper pushes the impurities into the blocking frame, and the precipitated impurities are concentratedly processed through the blocking frame, which facilitates the cleaning of the treatment pool and accelerates the mixing speed of additives, solving the problem of the inconvenience of cleaning the pool bottom.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0006] A device for removing total nitrogen from sewage comprises a treatment tank, wherein a discharge outlet is welded at the center of an outer wall of one side of the treatment tank, and cleaning structures are installed at the tops of the inner walls on both sides of the treatment tank, a center plate is installed at the center of the top outer wall of the treatment tank, and aeration devices are installed at both ends of the center plate, and one end of the aeration device extends into the interior of the treatment tank; the cleaning structure comprises sliding bars installed at the tops of both ends of the treatment tank, a driving screw rotatably connected to the treatment tank at the center of the sliding bar, a driving rod screwed to the outer wall of the driving screw, and a rolling wheel rotatably connected to the outer wall of the bottom end of the driving rod.

[0007] Preferably, a scraper is installed at the bottom of the outer wall of one side of the driving rod, and the bottom outer wall of the scraper contacts the bottom inner wall of the treatment tank, and one end of the aeration device is located at the top of the scraper.

[0008] Preferably, a sliding piece is installed on the top outer wall of the driving rod, and the bottom outer wall of the sliding piece is slidably connected to the top outer wall of the sliding bar, and the top outer wall of the driving rod is slidably connected to the outer wall of the sliding bar.

[0009] Preferably, an interception net is installed on the inner wall of the treatment pool at the discharge port, and a collection port is opened on the outer wall of the bottom of the other end of the treatment pool. A drive motor is installed on the outer wall of the treatment pool at one end of the drive screw, and the output shaft of the drive motor is connected to one end of the drive screw.

[0010] According to the above scheme: start the drive motor to drive the drive screw to rotate, so that the scraper slowly moves the impurities at the bottom of the treatment tank to the collection port, and the scraper pushes the impurities into the blocking frame, and the precipitated impurities are concentratedly processed through the blocking frame, which facilitates the cleaning of the treatment tank and accelerates the mixing speed of the additives.

[0011] Preferably, a blocking frame is installed on the outer wall of the treatment pool located at the collection port, and the scraper is adapted to the collection port.

[0012] Preferably, the driving motor and the aeration device are connected to a switch via a wire, and the switch is connected to a power supply via a wire.

[0013] The beneficial effects of the utility model are:

[0014] Start the drive motor to drive the drive screw to rotate, so that the scraper slowly moves the impurities at the bottom of the treatment tank to the collection port, and the scraper pushes the impurities into the blocking frame. The precipitated impurities are concentrated through the blocking frame, which facilitates the cleaning of the treatment tank and accelerates the mixing speed of the additives. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall structure of a sewage total nitrogen removal device proposed by the utility model;

[0016] Figure 2 This is a schematic diagram of the expanded structure of a sewage total nitrogen removal device proposed by the utility model;

[0017] Figure 3 This is a schematic diagram of the expanded structure of one end of a sewage total nitrogen removal device proposed by the utility model.

[0018] In the figure: 1 treatment tank, 2 discharge outlet, 3 interception net, 4 cleaning structure, 5 center plate, 6 aeration device, 7 sliding bar, 8 driving screw, 9 driving rod, 10 rolling wheel, 11 scraper, 12 sliding sheet, 13 driving motor, 14 collection port, 15 blocking frame. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be clearly and completely described 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 the embodiments. Example

[0020] Reference Figure 1-3 A sewage total nitrogen removal device includes a treatment tank 1, a discharge port 2 is welded at the center of the outer wall of one side of the treatment tank 1, and a cleaning structure 4 is installed at the top of the inner wall of both sides of the treatment tank 1, a center plate 5 is installed at the center of the top outer wall of the treatment tank 1, and aeration devices 6 are installed at both ends of the center plate 5, one end of the aeration device 6 extends into the interior of the treatment tank 1, and the aeration devices 6 at both ends of the center plate 5 in the treatment tank 1 accelerate the mixing of additives and sewage, improve the mixing efficiency, and facilitate sewage treatment;

[0021] The cleaning structure 4 includes a sliding bar 7 installed on the top of both ends of the treatment tank 1, a driving screw 8 rotatably connected to the treatment tank 1 at the center of the sliding bar 7, a driving rod 9 screwed on the outer wall of the driving screw 8 and a rolling wheel 10 rotatably connected to the outer wall of the bottom end of the driving rod 9.

[0022] A scraper 11 is installed at the bottom of the outer wall of one side of the driving rod 9, and the bottom outer wall of the scraper 11 is in contact with the bottom inner wall of the treatment tank 1. One end of the aeration device 6 is located at the top of the scraper 11. The driving motor 13 drives the driving rod 9 and the scraper 11 through the driving screw 8 to push the impurities at the bottom of the treatment tank 1 into the collection port 14. The impurities are located in the blocking frame 15, which is convenient for cleaning the impurities.

[0023] A sliding piece 12 is installed on the top outer wall of the driving rod 9, and the bottom outer wall of the sliding piece 12 is slidingly connected to the top outer wall of the sliding bar 7. The top outer wall of the driving rod 9 is slidingly connected to the outer wall of the sliding bar 7. The driving rod 9 is slidingly connected to the outer wall of the sliding bar 7 through the sliding piece 12, and the bottom end of the driving rod 9 is rollingly connected to the inner wall of the treatment pool 1 through the rolling wheel 10, which is convenient for movement and ensures movement stability.

[0024] An interception net 3 is installed on the inner wall of the treatment tank 1 at the discharge outlet 2, and a collection port 14 is opened on the outer wall of the bottom of the other end of the treatment tank 1. A drive motor 13 is installed on the outer wall of the treatment tank 1 at one end of the drive screw 8, and the output shaft of the drive motor 13 is connected to one end of the drive screw 8. The discharge outlet 2 in the treatment tank 1 is located at a high position of the treatment tank 1, which is convenient for discharging sewage and avoiding the discharge of sediment. The interception net 3 further prevents the discharge of sediment.

[0025] A blocking frame 15 is installed on the outer wall of the treatment pool 1 located at the collection port 14 , and the scraper 11 is adapted to the collection port 14 .

[0026] The driving motor 13 and the aeration device 6 are connected to a switch via a wire, and the switch is connected to a power source via a wire.

[0027] Working principle: When in use, pour the additive into the treatment tank 1, and the aeration device 6 is started to aerate the sewage in the treatment tank 1 to accelerate the fusion of the sewage and the additive. The fused sewage produces sediment, and then the mixed water is discharged into the next step through the discharge port 2. The interception net 3 in the treatment tank 1 intercepts the discharged sewage to prevent the precipitated impurities from being discharged. After a period of time, the inside of the treatment tank 1 needs to be cleaned, and the drive motor 13 is started to drive the drive screw 8 to rotate, and the drive screw 8 drives the drive rod 9 to move, so that the scraper 11 slowly moves the impurities at the bottom of the treatment tank 1 to the collection port 14, and the scraper 11 pushes the impurities into the blocking frame 15, and the scraper 11 blocks the collection port 14. Then, the precipitated impurities are concentrated through the blocking frame 15, which is convenient for cleaning the treatment tank 1 and accelerating the mixing speed of the additive.

[0028] The present invention is described in detail with reference to the examples of the exemplary embodiments. However, it will be understood by those skilled in the art that, without departing from the concept of the present invention, various modifications and variations can be made to the above-mentioned specific embodiments, and various combinations of the various technical features and structures proposed in the present invention can be made without exceeding the scope of protection of the present invention, which is determined by the appended claims. The foregoing description of the specific exemplary embodiments of the present invention is not intended to limit the present invention to the precise form disclosed, and it is obvious that many changes and variations can be made based on the above teachings. The purpose of selecting and describing the exemplary embodiments is to explain the specific principles of the present invention and its practical application, so that those skilled in the art can implement and utilize the various different exemplary embodiments of the present invention and various different options and changes. The scope of the present invention is intended to be defined by the claims and their equivalents.

Claims

1. A sewage total nitrogen removal device, comprising a treatment tank (1), characterized in that: A discharge port (2) is welded at the center of the outer wall of one side of the treatment tank (1), and a cleaning structure (4) is installed at the top of the inner wall of both sides of the treatment tank (1). A center plate (5) is installed at the center of the top outer wall of the treatment tank (1), and aeration devices (6) are installed at both ends of the center plate (5), and one end of the aeration device (6) extends into the interior of the treatment tank (1); The cleaning structure (4) includes a sliding bar (7) installed at the top of both ends of the treatment tank (1), a driving screw (8) rotatably connected to the treatment tank (1) at the center of the sliding bar (7), a driving rod (9) screwed to the outer wall of the driving screw (8), and a rolling wheel (10) rotatably connected to the outer wall of the bottom end of the driving rod (9).

2. A sewage total nitrogen removal device according to claim 1, characterized in that: A scraper (11) is installed at the bottom of the outer wall of one side of the driving rod (9), and the bottom outer wall of the scraper (11) contacts the bottom inner wall of the treatment tank (1). One end of the aeration device (6) is located at the top of the scraper (11).

3. The device for removing total nitrogen from sewage according to claim 1, characterized in that: A sliding piece (12) is installed on the top outer wall of the driving rod (9), and the bottom outer wall of the sliding piece (12) is slidably connected to the top outer wall of the sliding bar (7), and the top outer wall of the driving rod (9) is slidably connected to the outer wall of the sliding bar (7).

4. The device for removing total nitrogen from sewage according to claim 1, characterized in that: An interception net (3) is installed on the inner wall of the treatment tank (1) at the discharge outlet (2), and a collection port (14) is opened on the outer wall of the bottom of the other end of the treatment tank (1). A drive motor (13) is installed on the outer wall of the treatment tank (1) at one end of the drive screw (8), and the output shaft of the drive motor (13) is connected to one end of the drive screw (8).

5. The device for removing total nitrogen from sewage according to claim 4, characterized in that: A blocking frame (15) is installed on the outer wall of the treatment pool (1) located at the collection port (14), and the scraper (11) is adapted to the collection port (14).

6. The device for removing total nitrogen from sewage according to claim 4, characterized in that: The driving motor (13) and the aeration device (6) are connected to a switch via a wire, and the switch is connected to a power supply via a wire.

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