An improved device for treating garbage leachate by ozone catalytic oxidation

By adopting ozone catalytic oxidation treatment technology in the treatment of waste leachate, the problems of difficult decomposition and low treatment efficiency of traditional methods are solved, and efficient water quality improvement and secondary pollution reduction are achieved.

CN222700149UActive Publication Date: 2025-04-01JIANGSU JINHENG ENVIRONMENTAL TECH CO LTD
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Patent Information

Application Number
CN202421225667.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-31
Publication Date
2025-04-01
Estimated Expiration
2034-05-31

AI Technical Summary

Technical Problem

In the prior art, when dealing with garbage leachate, traditional physical and chemical treatment methods are difficult to effectively decompose difficult-to-degrade organic matter, and are low in treatment efficiency and prone to secondary pollution.

Method used

Ozone catalytic oxidation treatment technology is adopted to achieve ozone catalytic oxidation treatment of garbage leachate by setting up ozone catalyst devices, pickling equipment, alkaline washing equipment, mixing boxes, dosing devices, inclined plate precipitation tanks and filter presses.

Benefits of technology

Effectively decompose difficult-to-degrade organic matter in the leachate, improve treatment efficiency, reduce the color and turbidity of the leachate, significantly improve water quality, and reduce secondary pollution.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of leachate treatment, and discloses an improved device for treating garbage leachate by ozone catalytic oxidation, including an ozone catalyst device, wherein the front side of the ozone catalyst device is provided with an acid washing device and an alkaline washing device, the liquid outlet ends of the acid washing device and the alkaline washing device are both connected to the ozone catalyst, the right side wall of the ozone catalyst device is connected to the water outlet, and the side wall of the ozone catalyst device is connected to the material outlet. The utility model can clean the garbage leachate by ozone catalytic oxidation when treating the garbage leachate, can effectively decompose the difficult-to-degrade organic matter in the leachate, improve the treatment efficiency, reduce the chromaticity and turbidity of the leachate, and significantly improve the water quality. Compared with other treatment methods, less secondary pollution is generated.
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Description

Technical Field

[0001] The utility model relates to the technical field of leachate treatment, in particular to an improved device for treating garbage leachate by ozone catalytic oxidation. Background Art

[0002] Leachate is a high-concentration organic wastewater generated during the stacking and landfilling of garbage. It has a complex composition and contains a large amount of harmful substances such as organic matter, ammonia nitrogen, heavy metals, etc. It has the characteristics of dark color, bad odor, and large changes in water quality and quantity. If not handled properly, it will cause serious harm to the environment and human health.

[0003] The existing landfill leachate is mainly treated by some traditional physical and chemical treatment methods, including coagulation and sedimentation, membrane separation, adsorption and other methods to remove suspended matter, heavy metals and other pollutants. Traditional physical and chemical treatment methods are prone to produce more secondary pollution, it is difficult to effectively decompose the non-degradable organic matter in the leachate, and the treatment efficiency is low. Utility Model Content

[0004] The purpose of the utility model is to solve the problem that in the prior art, when treating garbage leachate, the garbage leachate is mainly treated by some traditional physical and chemical treatment methods, including coagulation sedimentation, membrane separation, adsorption and other methods to remove suspended matter, heavy metals and other pollutants. The traditional physical and chemical treatment methods are prone to produce more secondary pollution, it is difficult to effectively decompose the non-degradable organic matter in the leachate, and the treatment efficiency is low. An improved device for treating garbage leachate by ozone catalytic oxidation is proposed.

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

[0006] An improved device for treating garbage leachate by ozone catalytic oxidation comprises an ozone catalyst device, wherein an acid washing device and an alkaline washing device are arranged on the front side of the ozone catalyst device, the liquid outlet ends of the acid washing device and the alkaline washing device are both connected to the ozone catalyst, the right side wall of the ozone catalyst device is connected to the water outlet end, the side wall of the ozone catalyst device is connected to the material outlet end, a mixing box is placed on the right side of the ozone catalyst device, the material outlet end of the ozone catalyst device is connected to the side wall of the mixing box, a dosing device is connected to the upper side wall of the mixing box, an inclined plate sedimentation box is placed on the right side of the mixing box, a filter press is arranged on the front side of the inclined plate sedimentation box, the material outlet end of the inclined plate sedimentation box is connected to the filter press, the right side wall of the filter press is connected to a discharge pipe, the left side wall of the ozone catalyst device is connected to a feed pipe, and the same supernatant pipe is connected between the feed pipe and the filter press.

[0007] Preferably, the dosing device includes a dosing box, a same stirring rod is rotatably connected between the upper and lower inner walls of the dosing box, a plurality of stirring plates are fixedly connected to the rod wall of the stirring rod, a motor is fixedly connected to the upper side wall of the dosing box, the output end of the motor passes through the side wall of the dosing box and is fixedly connected to the upper end of the stirring rod, a sewage outlet is provided on the right side wall of the dosing box, a baffle is hinged at the sewage outlet, and the baffle and the dosing box are fixed by a positioning assembly.

[0008] Preferably, the positioning assembly includes a fixing plate fixedly connected to the baffle and the lower side wall of the medicine adding box, the two fixing plates are outerly provided with the same fixing frame, the side wall of the fixing frame is provided with a transverse hole, and a transverse pin is inserted into the transverse hole, the side walls of the two fixing plates are provided with a through hole matching the transverse pin, the right end of the transverse pin is fixedly connected with a pull plate, and the side wall on the opposite side of the pull plate and the fixing frame is fixedly connected with the same spring.

[0009] Preferably, the upper side wall of the medicine dosing box is rotatably connected to a threaded barrel, the outer wall of the threaded barrel is fixedly sleeved with a bevel gear ring, the upper side wall of the medicine dosing box is fixedly connected to a motor, the output end of the motor is fixedly connected to a bevel gear that matches the bevel gear ring, a threaded rod is sleeved on the inner thread of the threaded barrel, the lower end of the threaded rod extends out of the threaded barrel and is fixedly connected to a lifting ring, a plurality of water spray holes are opened on the lower side wall of the lifting ring, the threaded rod is a hollow structure, a water inlet pipe is inserted into the upper end of the threaded rod, and the threaded rod and the lifting ring are connected.

[0010] Preferably, a positioning slide plate is fixedly connected to the upper side wall of the medicine adding box, and a positioning slide groove matching the positioning slide plate is formed on the rod wall of the threaded rod.

[0011] Preferably, a wiper ring is fixedly connected to the lower side wall of the lifting ring.

[0012] Preferably, a plurality of bristles are fixedly connected to the lower side walls of the two stirring plates at the lower side.

[0013] Preferably, the lower side wall of the medicine adding box is an inclined surface, and the lower side wall of the medicine adding box is inclined toward the sewage outlet.

[0014] Preferably, a waterproof pad is fixedly connected to the inner wall of the baffle.

[0015] Compared with the prior art, the utility model provides an improved device for treating garbage leachate by ozone catalytic oxidation, which has the following beneficial effects:

[0016] 1. The improved device for treating garbage leachate by ozone catalytic oxidation can clean the garbage leachate by ozone catalytic oxidation through the arrangement of ozone catalyst device, acid washing equipment, alkaline washing equipment, mixing box, dosing device, inclined plate sedimentation box, filter press, discharge pipe, feed pipe and supernatant pipe, and can effectively decompose the difficult-to-degrade organic matter in the leachate, improve the treatment efficiency, reduce the chromaticity and turbidity of the leachate, and significantly improve the water quality. Compared with other treatment methods, less secondary pollution is generated.

[0017] 2. The improved device for treating garbage seepage by ozone catalytic oxidation can automatically clean the residual liquid on the inner wall of the dosing box after the liquid medicine is transported to the mixing box through the set dosing box, stirring rod, stirring plate, motor, sewage outlet, baffle, fixed plate and fixed frame, so as to avoid the residual liquid from affecting the subsequent mixing of liquid medicine.

[0018] Moreover, the parts not involved in the device are the same as the existing technology or can be implemented by the existing technology. When treating the landfill leachate, the utility model can use ozone catalytic oxidation to clean the landfill leachate, which can effectively decompose the difficult-to-degrade organic matter in the leachate and improve the treatment efficiency, so as to reduce the color and turbidity of the leachate and significantly improve the water quality. Compared with other treatment methods, less secondary pollution is generated and after the liquid medicine is transported to the mixing box, the residual liquid on the inner wall of the medicine adding box can be automatically cleaned to avoid the residual liquid affecting the subsequent mixing of the liquid medicine. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the structure of an improved device for treating garbage leachate by ozone catalytic oxidation proposed by the utility model;

[0020] Figure 2 This is a schematic diagram of the internal structure of the Chinese medicine box;

[0021] Figure 3 for Figure 2 A magnified schematic diagram of part A;

[0022] Figure 4 for Figure 2 A magnified schematic diagram of part B;

[0023] Figure 5 for Figure 2 Enlarged schematic diagram of part C.

[0024] In the figure: 1. Ozone catalyst device; 2. Pickling equipment; 3. Alkaline washing equipment; 4. Mixing box; 5. Dosing device; 6. Inclined plate sedimentation box; 7. Filter press; 8. Discharge pipe; 9. Feed pipe; 10. Supernatant pipe; 11. Dosing box; 12. Stirring rod; 13. Stirring plate; 14. Motor; 15. Sewage outlet; 16. Baffle; 17. Fixed plate; 18. Fixed frame; 19. Cross pin; 20. Pull plate; 21. Threaded barrel; 22. Bevel gear ring; 23. Motor; 24. Bevel gear; 25. Threaded rod; 26. Lifting ring; 27. Water spray hole; 28. Water inlet pipe; 29. ​​Positioning slide plate; 30. Wiper ring; 31. Brush; 32. Waterproof pad. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present invention will be described clearly and completely 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 of the embodiments.

[0026] Reference Figure 1-5 , an improved device for treating garbage leachate by ozone catalytic oxidation, comprising an ozone catalyst device 1, an acid washing device 2 and an alkaline washing device 3 are arranged on the front side of the ozone catalyst device 1, the liquid outlet ends of the acid washing device 2 and the alkaline washing device 3 are both connected to the ozone catalyst, the right side wall of the ozone catalyst device 1 is connected to the water outlet, the side wall of the ozone catalyst device 1 is connected to the discharge end, a mixing box 4 is placed on the right side of the ozone catalyst device 1, the discharge end of the ozone catalyst device 1 is connected to the side wall of the mixing box 4, the upper side wall of the mixing box 4 is connected to a dosing device 5, an inclined plate sedimentation box 6 is placed on the right side of the mixing box 4, a filter press 7 is arranged on the front side of the inclined plate sedimentation box 6, the discharge end of the inclined plate sedimentation box 6 is connected to the filter press 7, the right side wall of the filter press 7 is connected to a discharge pipe 8, the left side wall of the ozone catalyst device 1 is connected to a feed pipe 9, and the feed pipe 9 and the filter press 7 are connected with the same supernatant pipe 10.

[0027] The dosing device 5 includes a dosing box 11, and the same stirring rod 12 is rotatably connected between the upper and lower inner walls of the dosing box 11, and a plurality of stirring plates 13 are fixedly connected to the rod wall of the stirring rod 12. A motor 14 is fixedly connected to the upper side wall of the dosing box 11, and the output end of the motor 14 passes through the side wall of the dosing box 11 and is fixedly connected to the upper end of the stirring rod 12. A sewage outlet 15 is provided on the right side wall of the dosing box 11, and a baffle 16 is hinged at the sewage outlet 15, and the baffle 16 and the dosing box 11 are fixed by a positioning component.

[0028] The positioning assembly includes a fixing plate 17 fixedly connected to the baffle 16 and the lower side wall of the dosing box 11, and the two fixing plates 17 are provided with the same fixing frame 18. The side wall of the fixing frame 18 is provided with a transverse hole, and a transverse pin 19 is inserted into the transverse hole. The side walls of the two fixing plates 17 are provided with through holes that match the transverse pin 19. The right end of the transverse pin 19 is fixedly connected to a pull plate 20, and the pull plate 20 and the side wall on the opposite side of the fixing frame 18 are fixedly connected with the same spring.

[0029] A threaded barrel 21 is rotatably connected to the upper side wall of the medicine adding box 11, and a bevel gear ring 22 is fixedly sleeved on the outer wall of the threaded barrel 21. A motor 23 is fixedly connected to the upper side wall of the medicine adding box 11, and a bevel gear 24 matching the bevel gear ring 22 is fixedly connected to the output end of the motor 23. A threaded rod 25 is sleeved on the inner thread of the threaded barrel 21, and the lower end of the threaded rod 25 extends out of the threaded barrel 21 and is fixedly connected to a lifting ring 26. A plurality of water spray holes 27 are provided on the lower side wall of the lifting ring 26. The threaded rod 25 is a hollow structure, and a water inlet pipe 28 is inserted at the upper end of the threaded rod 25. The threaded rod 25 and the lifting ring 26 are connected, so that the residual liquid on the inner wall of the medicine adding box can be automatically cleaned to prevent the residual liquid from affecting the subsequent mixing of the medicine.

[0030] The upper side wall of the medicine adding box 11 is fixedly connected with a positioning slide 29, and the rod wall of the threaded rod 25 is provided with a positioning groove that matches the positioning slide 29. Through the mutual cooperation of the positioning slide 29 and the positioning groove, the threaded rod 25 is prevented from rotating, so that the threaded rod 25 can only move up and down in the vertical direction.

[0031] The lower side wall of the lifting ring 26 is fixedly connected with a wiper ring 30, which can scrape away the residual liquid on the inner wall of the dosing box 11.

[0032] A plurality of bristles 31 are fixedly connected to the lower side walls of the two stirring plates 13 at the lower side.

[0033] The lower side wall of the medicine adding box 11 is an inclined surface, and the lower side wall of the medicine adding box 11 is inclined toward the sewage outlet 15 .

[0034] A waterproof pad 32 is fixedly connected to the inner wall of the baffle 16 , thereby improving the waterproof capability of the baffle 16 .

[0035] In the utility model, when in use, the leachate is transported to the ozone catalyst device 1, and the leachate is treated with ozone catalytic reaction by the ozone catalyst device 1, and the acid and alkali in the pickling equipment 2 and the alkali washing equipment 3 are transported to the ozone catalyst device 1 for pickling and alkali washing operations to remove the acidic and alkaline substances in the leachate, and then a part of the treated clear liquid can be discharged, and the precipitate is transported to the mixing box 4 through a pipeline, and then the liquid in the dosing box 11 is transported to the mixing box 4 through a pump assembly for mixing treatment, and the mixed mixture is transported to the inclined plate sedimentation box, and a part of the clear liquid is transported to the ozone catalyst device 1 through a pipeline to continue the above steps for treatment, and the precipitate is transported to the filter press 7 for filter pressing treatment, and impurities such as sludge are discharged through the discharge pipe 8, and the liquid is transported to the ozone catalyst device 1 through the supernatant pipe 10 for further treatment.

Claims

1. An improved device for treating landfill leachate by ozone catalytic oxidation, comprising an ozone catalyst device (1), characterized in that: The front side of the ozone catalyst device (1) is provided with an acid washing device (2) and an alkali washing device (3), the liquid outlet ends of the acid washing device (2) and the alkali washing device (3) are both connected to the ozone catalyst, the right side wall of the ozone catalyst device (1) is connected to the water outlet, the side wall of the ozone catalyst device (1) is connected to the material outlet, a mixing box (4) is placed on the right side of the ozone catalyst device (1), the material outlet end of the ozone catalyst device (1) is connected to the side wall of the mixing box (4), and the mixing box (4) is connected to the mixing box (4). The upper side wall of the box (4) is connected to a dosing device (5), an inclined plate sedimentation box (6) is placed on the right side of the mixing box (4), a filter press (7) is arranged on the front side of the inclined plate sedimentation box (6), the discharge end of the inclined plate sedimentation box (6) is connected to the filter press (7), the right side wall of the filter press (7) is connected to a discharge pipe (8), the left side wall of the ozone catalyst device (1) is connected to a feed pipe (9), and the feed pipe (9) and the filter press (7) are connected to a same supernatant pipe (10).

2. The improved device for treating garbage leachate by ozone catalytic oxidation according to claim 1 is characterized in that: The dosing device (5) comprises a dosing box (11), wherein a same stirring rod (12) is rotatably connected between the upper and lower inner walls of the dosing box (11), a plurality of stirring plates (13) are fixedly connected to the rod wall of the stirring rod (12), a motor (14) is fixedly connected to the upper side wall of the dosing box (11), an output end of the motor (14) passes through the side wall of the dosing box (11) and is fixedly connected to the upper end of the stirring rod (12), a sewage outlet (15) is provided on the right side wall of the dosing box (11), a baffle (16) is hinged at the sewage outlet (15), and the baffle (16) and the dosing box (11) are fixed by a positioning assembly.

3. The improved device for treating garbage leachate by ozone catalytic oxidation according to claim 2 is characterized in that: The positioning assembly comprises a fixing plate (17) fixedly connected to the baffle (16) and the lower side wall of the medicine adding box (11); the two fixing plates (17) are provided with a same fixing frame (18) on their outer sleeves; the side wall of the fixing frame (18) is provided with a transverse hole, and a transverse pin (19) is inserted into the transverse hole; the side walls of the two fixing plates (17) are provided with a through hole matching the transverse pin (19); the right end of the transverse pin (19) is fixedly connected to a pull plate (20); the pull plate (20) and the side wall on the opposite side of the fixing frame (18) are fixedly connected to the same spring.

4. The improved device for treating garbage leachate by ozone catalytic oxidation according to claim 3 is characterized in that: The upper side wall of the medicine adding box (11) is rotatably connected with a threaded barrel (21), the outer wall of the threaded barrel (21) is fixedly sleeved with a bevel gear ring (22), the upper side wall of the medicine adding box (11) is fixedly connected with a motor (23), the output end of the motor (23) is fixedly connected with a bevel gear (24) matching the bevel gear ring (22), the threaded barrel (21) is internally sleeved with a threaded rod (25), the lower end of the threaded rod (25) extends out of the threaded barrel (21) and is fixedly connected with a lifting ring (26), the lower side wall of the lifting ring (26) is provided with a plurality of water spray holes (27), the threaded rod (25) is a hollow structure, the upper end of the threaded rod (25) is plugged with a water inlet pipe (28), and the threaded rod (25) and the lifting ring (26) are connected.

5. The improved device for treating garbage leachate by ozone catalytic oxidation according to claim 4 is characterized in that: The upper side wall of the medicine adding box (11) is fixedly connected with a positioning slide plate (29), and the rod wall of the threaded rod (25) is provided with a positioning slide groove which matches the positioning slide plate (29).

6. The improved device for treating garbage leachate by ozone catalytic oxidation according to claim 5 is characterized in that: The lower side wall of the lifting ring (26) is fixedly connected with a wiper ring (30).

7. The improved device for treating garbage leachate by ozone catalytic oxidation according to claim 6 is characterized in that: A plurality of bristles (31) are fixedly connected to the lower side walls of the two stirring plates (13) at the lower side.

8. The improved device for treating garbage leachate by ozone catalytic oxidation according to claim 7 is characterized in that: The lower side wall of the medicine adding box (11) is an inclined surface, and the lower side wall of the medicine adding box (11) is inclined toward the sewage outlet (15).

9. The improved device for treating garbage leachate by ozone catalytic oxidation according to claim 8, characterized in that: A waterproof pad (32) is fixedly connected to the inner wall of the baffle (16).