Novel landfill leachate new pollutant treatment device

Abstract

The invention discloses a novel landfill leachate new pollutant treatment device, and relates to the field of environmental protection, the novel landfill leachate new pollutant treatment device comprises an equipment bottom plate, a first treatment box and a second treatment box, the first treatment box and the second treatment box are fixed on the equipment bottom plate, the equipment bottom plate is fixedly connected with a driving motor, and the bottom of the first treatment box is rotatably connected with an air flotation assembly; the air floatation assembly is in transmission connection with the driving motor, the bottom of the second treatment box is rotationally connected with an air distribution assembly, the air distribution assembly is in transmission connection with the driving motor, and the first treatment box is communicated with the second treatment box. During use, secondary treatment can be carried out on pollutants through the first treatment box and the second treatment box, a flocculating agent can be added into the first treatment box, then part of pollutants are separated through air flotation treatment and then enter the second treatment box after being filtered, ozone can be introduced into the second treatment box for strong oxidation treatment, and therefore an excellent purification effect can be achieved. The treated sewage can be recycled according to the treatment grade, and the use effect is good.

Description

Technical Field

[0001] This invention relates to the field of environmental protection, specifically to a novel device for treating new pollutants in landfill leachate. Background Technology

[0002] With the acceleration of urbanization and the expansion of industrial production, landfills and industrial waste treatment centers operate continuously, and the resulting leachate has become a major source of high-concentration organic wastewater. During landfilling, precipitation continuously seeps into the waste layer, undergoing complex reactions such as microbial fermentation and acid-base neutralization to form leachate with extremely complex compositions. Meanwhile, in industrial waste treatment, high-temperature and high-pressure processes also promote the dissolution of various pollutants, further exacerbating wastewater pollution. This wastewater not only contains inorganic pollutants such as ammonia nitrogen and heavy metals, but also is rich in organic components such as polycyclic aromatic hydrocarbons and recalcitrant organic matter. Its COD (chemical oxygen demand) and BOD (biochemical oxygen demand) levels often exceed those of ordinary domestic sewage by tens of times. If discharged directly without effective treatment, it can easily cause ecological disasters such as soil compaction and eutrophication of water bodies.

[0003] However, current leachate wastewater treatment technologies still have significant shortcomings. Most treatment processes lack a crucial flocculation stage, making it difficult to quickly coagulate suspended solids and colloidal impurities in wastewater. This leads to frequent clogging of subsequent membrane treatment units and a surge in reagent consumption. Simultaneously, treatment systems without ozone oxidation devices cannot effectively decompose stubborn pollutants such as halogenated hydrocarbons and phenols, resulting in effluent quality that fails to meet stringent discharge standards. Faced with increasingly stringent environmental regulations and the demand for water resource recycling, developing new treatment devices that integrate efficient flocculation separation and deep ozone oxidation has become a key breakthrough for solving industry challenges and promoting the upgrading of wastewater treatment technologies. Summary of the Invention

[0004] The purpose of this invention is to provide a novel device for treating new pollutants in landfill leachate, so as to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution:

[0006] A novel landfill leachate treatment device includes a base plate and a first treatment tank and a second treatment tank fixed on the base plate. A drive motor is fixedly connected to the base plate. An air flotation component is rotatably connected to the bottom of the first treatment tank and is driven by the drive motor. An air distribution component is rotatably connected to the bottom of the second treatment tank and is driven by the drive motor. The first treatment tank and the second treatment tank are in communication.

[0007] As a further aspect of the present invention: the air flotation assembly includes a longitudinal rotating tube rotatably connected to the bottom of the first processing tank, the longitudinal rotating tube being connected to the first processing tank via a torsion spring, an inclined stirring plate being fixedly connected to the outside of the longitudinal rotating tube, air flotation holes being evenly distributed on the inclined stirring plate, a non-rotatable longitudinal air pipe being slidably connected inside the longitudinal rotating tube, the longitudinal air pipe communicating with different inclined stirring plates during its up-and-down sliding process, and a height adjustment unit for changing the height of the longitudinal air pipe being provided on the outside of the longitudinal air pipe.

[0008] As a further embodiment of the present invention: the height adjustment unit includes a bracket fixedly connected to the first processing box, a plurality of upper magnets fixedly connected to the bottom of the bracket, a rotating plate fixedly connected to the outside of the longitudinal air tube, and two lower magnets fixedly connected to the rotating plate. During the rotation of the lower magnets, they attract or repel each other with different upper magnets; a spring for limiting the initial position of the rotating plate is fixedly connected to the outside of the longitudinal air tube.

[0009] As a further embodiment of the present invention: a driven bevel gear is fixedly connected to the bottom of the longitudinal rotating tube, and a partially driven bevel gear is fixedly connected to the rotor of the drive motor. The driven bevel gear meshes with the partially driven bevel gear. The side wall of the first treatment tank is also connected to an inlet pipe for introducing leachate, and the front side wall of the first treatment tank is provided with a drain outlet for discharging air flotation impurities.

[0010] As a further embodiment of the present invention: a filter box is provided between the first processing box and the second processing box, and a filter element is fixedly connected inside the filter box. The filter box is connected to the first processing box and the second processing box through a transfer pipe, and a liquid pump is provided in the middle of the transfer pipe.

[0011] As a further embodiment of the present invention: the gas distribution assembly includes a gas distribution shaft rotatably connected to the second processing box, the bottom of the gas distribution shaft is connected to the drive motor through a bevel gear set, a gas distribution plate is fixedly connected to the top of the gas distribution shaft, gas distribution holes are evenly distributed on the gas distribution plate, and a gas supply pipe is fixedly connected to the middle of the gas distribution plate, and the gas supply pipe supplies ozone to the inside of the second processing box through a gas pump.

[0012] As a further aspect of the present invention: the second treatment tank is connected to a sewage discharge pipe, and a valve is connected to the middle of the sewage discharge pipe.

[0013] Compared with existing technologies, the advantages of this invention are: It has a simple structure and is easy to use. During use, pollutants can be treated a second time through a second treatment tank. Flocculants are added to the first treatment tank, followed by flotation to separate some of the pollutants. After filtration, the pollutants enter the second treatment tank, where ozone is introduced for strong oxidation, resulting in excellent purification. The treated wastewater can be reused according to its treatment level, demonstrating good performance and making it worthy of promotion. Attached Figure Description

[0014] Figure 1 A schematic diagram of a novel device for treating new pollutants in landfill leachate;

[0015] Figure 2 A cross-sectional schematic diagram of a novel landfill leachate treatment device for new pollutants.

[0016] Figure 3 A schematic diagram of an incompletely active bevel gear structure in a novel landfill leachate treatment device.

[0017] Figure 4 This is a schematic diagram of the air distribution plate in a novel landfill leachate treatment device.

[0018] In the diagram: 1. Equipment base plate; 2. First processing box; 3. Second processing box; 4. Drive motor; 5. Air flotation assembly; 6. Air distribution assembly; 7. Longitudinal rotating pipe; 8. Inclined stirring plate; 9. Air flotation hole; 10. Longitudinal air pipe; 11. Height adjustment unit; 12. Support; 13. Upper magnet; 14. Rotating plate; 15. Lower magnet; 16. Spring; 17. Driven bevel gear; 18. Partially driving bevel gear; 19. Sewage inlet pipe; 20. Sewage outlet; 21. Filter box; 22. Transfer pipe; 23. Liquid pump; 24. Air distribution shaft; 25. Bevel gear set; 26. Air distribution plate; 27. Air distribution hole; 28. Air supply pipe; 29. ​​Sewage outlet pipe; 30. Valve. Detailed Implementation

[0019] It should be noted that, unless otherwise specified, the embodiments and features described in the present invention can be combined with each other.

[0020] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, are only for the convenience of describing the invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the invention. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this invention, unless otherwise stated, "a plurality of" means two or more.

[0021] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art will understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0022] The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0023] Example 1: Please refer to Figure 1 and Figure 2 A novel landfill leachate treatment device includes a base plate 1 and a first treatment tank 2 and a second treatment tank 3 fixed on the base plate 1. A drive motor 4 is fixedly connected to the base plate 1. An air flotation component 5 is rotatably connected to the bottom of the first treatment tank 2 and is driven by the drive motor 4. An air distribution component 6 is rotatably connected to the bottom of the second treatment tank 3 and is driven by the drive motor 4. The first treatment tank 2 and the second treatment tank 3 are connected in communication.

[0024] The leachate is introduced into the first treatment tank 2, and flocculant is added inside the device. The drive motor 4 is turned on, and the drive motor 4 drives the air flotation component 5 and the air distribution component 6 to work, thereby purifying the leachate.

[0025] The air flotation assembly 5 includes a longitudinal rotating tube 7 rotatably connected to the bottom of the first processing tank 2. The longitudinal rotating tube 7 is connected to the first processing tank 2 by a torsion spring. An inclined stirring plate 8 is fixedly connected to the outside of the longitudinal rotating tube 7. Air flotation holes 9 are evenly distributed on the inclined stirring plate 8. A non-rotatable longitudinal air pipe 10 is slidably connected inside the longitudinal rotating tube 7. The longitudinal air pipe 10 communicates with different inclined stirring plates 8 during the up and down sliding process. A height adjustment unit 11 for changing the height of the longitudinal air pipe 10 is also provided on the outside of the longitudinal air pipe 10.

[0026] The longitudinal rotating tube 7 rotates under the action of the drive motor 4. During rotation, the inclined stirring plate 8 rotates synchronously and continuously changes position. In this process, the leachate is continuously mixed with the flocculant, effectively removing some of the dirt in the leachate. At the same time, the longitudinal air pipe 10 introduces gas into the device. The gas is discharged through the air flotation hole 9, which causes the flocculated dirt to accumulate upward under the action of air flotation, and the bottom of the leachate is partially treated liquid.

[0027] The height adjustment unit 11 includes a bracket 12 fixedly connected to the first processing box 2. Several upper magnets 13 are fixedly connected to the bottom of the bracket 12. A rotating plate 14 is fixedly connected to the outside of the longitudinal air pipe 10. Two lower magnets 15 are fixedly connected to the rotating plate 14. During the rotation of the lower magnets 15, they attract or repel different upper magnets 13. A spring 16 is fixedly connected to the outside of the longitudinal air pipe 10 to limit the initial position of the rotating plate 14.

[0028] As the longitudinal air tube 10 rotates continuously, the lower magnet 15 above the rotating plate 14 will cooperate with different upper magnets 13, and the longitudinal air tube 10 will continuously change its position up and down, so that the inclined stirring plate 8 connected to the longitudinal air tube 10 will continuously change, and the air flotation position will continuously switch, thus significantly improving the air flotation effect.

[0029] A driven bevel gear 17 is fixedly connected to the bottom of the longitudinal rotating pipe 7, and a partially driven bevel gear 18 is fixedly connected to the rotor of the drive motor 4. The driven bevel gear 17 meshes with the partially driven bevel gear 18. The side wall of the first treatment tank 2 is also connected to an inlet pipe 19 for introducing leachate, and the front side wall of the first treatment tank 2 is provided with a drain port 20 for discharging air flotation impurities. During the rotation of the drive motor 4, the partially driven bevel gear 18 is driven to rotate, which in turn drives the driven bevel gear 17 to rotate. Since the teeth of the partially driven bevel gear 18 are incomplete, when the toothless part engages with the driven bevel gear 17 during rotation, the longitudinal rotating pipe 7 will reciprocate under the action of the torsion spring, and will also drive the longitudinal air pipe 10 to reciprocate.

[0030] Example 2, please refer to Figure 2 , Figure 3 and Figure 4 This embodiment, based on the previous embodiment, further discloses the following technical solution: A filter box 21 is provided between the first processing box 2 and the second processing box 3. A filter element is fixedly connected inside the filter box 21. The filter box 21 is connected to the first processing box 2 and the second processing box 3 through a transfer pipe 22. A liquid pump 23 is provided in the middle of the transfer pipe 22. The filter box 21 can filter the leachate after the air flotation treatment again, reducing the probability of flocculation products being discharged into the second processing box 3.

[0031] The gas distribution assembly 6 includes a gas distribution shaft 24 rotatably connected to the second processing box 3. The bottom of the gas distribution shaft 24 is connected to the drive motor 4 via a bevel gear set 25. A gas distribution plate 26 is fixedly connected to the top of the gas distribution shaft 24. Gas distribution holes 27 are evenly distributed on the gas distribution plate 26. A gas supply pipe 28 is fixedly connected to the middle of the gas distribution plate 26. The gas supply pipe 28 supplies ozone to the inside of the second processing box 3 through an air pump.

[0032] The drive motor 4 can also drive the air distribution plate 26 to rotate through the bevel gear set 25. During the rotation of the air distribution plate 26, the position of the air distribution hole 27 changes continuously, and the ozone will be discharged into the second treatment box 3 through different positions. After the liquid has been pre-treated, it will be treated again after being filtered by the filter box 21, thereby meeting the purification treatment requirements of the leachate.

[0033] The second treatment tank 3 is connected to a sewage discharge pipe 29, and a valve 30 is connected to the middle of the sewage discharge pipe 29. Sewage can be discharged by opening and closing the valve 30.

[0034] Working Principle: Leachate is introduced into the first treatment tank 2, and flocculant is added inside the device. The drive motor 4 is then turned on, driving the air flotation component 5 and the air distribution component 6 to purify the leachate. The longitudinal rotating pipe 7 rotates under the action of the drive motor 4, and the inclined stirring plate 8 rotates synchronously, constantly changing position. During this rotation, the leachate is continuously mixed with the flocculant, effectively removing some of the impurities from the leachate. Simultaneously, gas is introduced into the device through the longitudinal air pipe 10, and the gas is discharged through the air flotation holes 9, causing the flocculated impurities to accumulate upwards under the action of air flotation, leaving the leachate at the bottom as preliminarily treated liquid. As the longitudinal air pipe 10 rotates continuously, the lower magnet 15 above the rotating plate 14 engages with different upper magnets 13, causing the longitudinal air pipe 10 to continuously change position up and down. This causes the inclined stirring plate 8 connected to the longitudinal air pipe 10 to continuously change position, resulting in a continuous switching of the air flotation position and a significant improvement in the air flotation effect. The drive motor 4 can also drive the air distribution plate 26 to rotate through the bevel gear set 25. During the rotation of the air distribution plate 26, the position of the air distribution hole 27 changes continuously, and the ozone will be discharged into the second treatment box 3 through different positions. After the liquid has been pre-treated, it will be treated again after being filtered by the filter box 21, thereby meeting the purification treatment requirements of the leachate.

[0035] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the invention can be implemented in other specific forms without departing from its spirit or essential characteristics. Therefore, the embodiments should be considered in all respects as exemplary and non-limiting, and the scope of the invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within the present invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0036] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A novel landfill leachate treatment device, comprising a base plate (1) and a first treatment tank (2) and a second treatment tank (3) fixed on the base plate (1), characterized in that, A drive motor (4) is fixedly connected to the base plate (1) of the equipment. An air flotation component (5) is rotatably connected to the bottom of the first processing box (2). The air flotation component (5) is connected to the drive motor (4) in a transmission connection. An air distribution component (6) is rotatably connected to the bottom of the second processing box (3). The air distribution component (6) is connected to the drive motor (4) in a transmission connection. The first processing box (2) and the second processing box (3) are connected in a communication.

2. The novel landfill leachate treatment device according to claim 1, characterized in that, The air flotation assembly (5) includes a longitudinal rotating tube (7) rotatably connected to the bottom of the first processing tank (2). The longitudinal rotating tube (7) is connected to the first processing tank (2) by a torsion spring. An inclined stirring plate (8) is fixedly connected to the outside of the longitudinal rotating tube (7). Air flotation holes (9) are evenly distributed on the inclined stirring plate (8). A longitudinal air pipe (10) that cannot be rotated relative to the longitudinal rotating tube (7) is slidably connected inside the longitudinal rotating tube (7). The longitudinal air pipe (10) communicates with different inclined stirring plates (8) during the up and down sliding process. A height adjustment unit (11) for changing the height of the longitudinal air pipe (10) is also provided on the outside of the longitudinal air pipe (10).

3. The novel landfill leachate treatment device according to claim 2, characterized in that, The height adjustment unit (11) includes a bracket (12) fixedly connected to the first processing box (2). Several upper magnets (13) are fixedly connected to the bottom of the bracket (12). A rotating plate (14) is fixedly connected to the outside of the longitudinal air pipe (10). Two lower magnets (15) are fixedly connected to the rotating plate (14). During the rotation of the lower magnets (15), they attract or repel different upper magnets (13). A spring (16) is fixedly connected to the outside of the longitudinal air pipe (10) to limit the initial position of the rotating plate (14).

4. The novel landfill leachate treatment device according to claim 3, characterized in that, The bottom of the longitudinal rotating tube (7) is fixedly connected to a driven bevel gear (17), and the rotor of the drive motor (4) is fixedly connected to a partially driven bevel gear (18). The driven bevel gear (17) and the partially driven bevel gear (18) mesh with each other. The side wall of the first treatment box (2) is also connected to an inlet pipe (19) for introducing leachate. The front side wall of the first treatment box (2) is provided with a drain outlet (20) for discharging air flotation impurities.

5. The novel landfill leachate treatment device according to claim 4, characterized in that, A filter box (21) is provided between the first processing box (2) and the second processing box (3). A filter element is fixedly connected inside the filter box (21). The filter box (21) is connected to the first processing box (2) and the second processing box (3) through a transfer pipe (22). A liquid pump (23) is provided in the middle of the transfer pipe (22).

6. The novel landfill leachate treatment device according to claim 1, characterized in that, The gas distribution assembly (6) includes a gas distribution shaft (24) rotatably connected to the second processing box (3). The bottom of the gas distribution shaft (24) is connected to the drive motor (4) via a bevel gear set (25). A gas distribution plate (26) is fixedly connected to the top of the gas distribution shaft (24). Gas distribution holes (27) are evenly distributed on the gas distribution plate (26). A gas supply pipe (28) is fixedly connected to the middle of the gas distribution plate (26). The gas supply pipe (28) supplies ozone to the inside of the second processing box (3) through an air pump.

7. The novel landfill leachate treatment device according to claim 6, characterized in that, The second treatment box (3) is connected to a sewage pipe (29) for discharging sewage, and a valve (30) is connected in the middle of the sewage pipe (29).

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