Landfill leachate treatment device

Abstract

The utility model discloses a landfill leachate treatment device, which relates to the technical field of environmental protection and comprises a pretreatment group, an emergency treatment group arranged on one side of the pretreatment group, an RO (reverse osmosis) membrane system arranged on one side of the emergency treatment group, a concentrated water treatment group arranged on one side of the RO membrane system, and a water quality online detector arranged on one side of the concentrated water treatment group. One end of the pretreatment group is provided with an adjusting tank connected with a landfill leachate collecting pipeline, a purifying device is arranged between the concentrated water treatment group and the water quality online detector, and a cavity is formed in the purifying device. The arrangement of the concentrated water treatment group and the emergency treatment group further improves the stability and reliability of the system, and the arrangement of the emergency treatment group also ensures that the system can be quickly dealt with in emergency and prevents pollution from expanding, so that the system is simple in structure, convenient to operate and high in treatment efficiency.

Description

Technical Field

[0001] The utility model relates to the field of environmental protection, in particular to a garbage leachate treatment device. Background Art

[0002] With the acceleration of urbanization and the growth of population, the amount of garbage generated has increased year by year. The problem of garbage disposal has become one of the important problems in urban management and environmental protection. The garbage leachate treatment device is a device specially used to treat leachate generated by landfills or incineration plants. The device removes harmful substances such as organic matter and heavy metals in the leachate through a series of physical, chemical and biological treatment methods, so that the leachate meets the discharge standards or recycling standards.

[0003] In practical applications of existing technologies, landfill leachate treatment systems usually need to operate stably for a long time and ensure that the treatment effect meets the standards. However, due to the complex and changeable composition of landfill leachate, the treatment system is easily affected by various factors, such as water quality fluctuations, changes in pollutant concentrations, etc., resulting in unstable treatment effects. In addition, traditional landfill leachate treatment systems usually lack intelligent operation functions, making it difficult to achieve automated control and monitoring, which increases the difficulty and errors of manual operation.

[0004] Therefore, a new type of landfill leachate treatment device is urgently needed to solve these problems. Utility Model Content

[0005] The purpose of the utility model is to provide a garbage leachate treatment device to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A landfill leachate treatment device comprises: a pretreatment group, an emergency treatment group is arranged on one side of the pretreatment group, an RO membrane system is arranged on one side of the emergency treatment group, a concentrate water treatment group is arranged on one side of the RO membrane system, an online water quality detector is arranged on one side of the concentrate water treatment group, a regulating tank connected to a landfill leachate collection pipeline is arranged at one end of the pretreatment group, a purification device is arranged between the concentrate water treatment group and the online water quality detector, and a cavity is opened inside the purification device.

[0008] Furthermore, the purification device includes a cleaning component and a driving component, and the cleaning component includes: a filter plate, the filter plate is rotatably mounted on the side wall of the cavity, a filter screen is provided on the filter plate, a collection box is slidably mounted inside the cavity below the filter plate, and a cleaning brush is slidably mounted on the side wall of the filter plate.

[0009] Furthermore, the drive assembly includes: a reciprocating screw, which is rotatably connected to the side wall of the filter plate, a slider is threadedly connected to the reciprocating screw, one side of the slider is fixedly connected to the side wall of the cleaning brush, and a worm gear is fixedly installed on the side wall of the reciprocating screw.

[0010] Furthermore, the drive assembly also includes: a motor, which is fixedly mounted on the housing on the rear side of the purification device, a worm is rotatably connected inside the filter plate, a coupling is fixedly mounted on one end of the worm and the output shaft of the motor, a belt is arranged between the two couplings, and the worm is meshed with the worm wheel.

[0011] Furthermore, a slide groove is provided on one side of the filter plate, and the reciprocating screw rod, the sliding block and the worm gear are all located in the slide groove.

[0012] Furthermore, an activated carbon plate is fixedly mounted on one side of the filter plate inside the purification device, and fine through holes are arranged in the activated carbon plate.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The utility model adopts efficient pretreatment and RO membrane system, which reduces energy consumption and operating costs. The setting of concentrated water treatment group and emergency treatment group also further improves the stability and reliability of the system. The setting of emergency treatment group also ensures rapid response in emergency situations to prevent pollution from expanding, making the utility model simple in structure, easy to operate and high in treatment efficiency.

[0015] 2. By setting up a purification component, the harmful substances in the clean water can be further treated to ensure that the discharged clean water will not pollute the environment, thus improving the effect of garbage leachate treatment;

[0016] 3. By providing a driving component, it can drive the filter plate and drive the cleaning brush to clean the foreign matter on the filter plate and collect it in the collection box, which is convenient for the operation of the staff. 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 rear structure of the purification device of the utility model;

[0019] Figure 3 This is a schematic diagram of the internal split structure of the purification device of the utility model;

[0020] Figure 4 This is a schematic diagram of the explosion structure of the cleaning component of the utility model;

[0021] Figure 5 It is a schematic diagram of the overall structure of the driving mechanism of the utility model.

[0022] In the figure: 1. Pretreatment group; 2. Emergency treatment group; 3. RO membrane system; 4. Concentrated water treatment group; 5. Water quality online detector; 6. Regulating tank; 7. Purification device; 8. Water inlet; 9. Water outlet; 10. Cavity; 11. Filter plate; 12. Filter screen; 13. Collecting box; 14. Cleaning brush; 15. Activated carbon plate; 16. Circular groove; 17. Slide; 18. Reciprocating screw; 19. Slider; 20. Worm gear; 21. Motor; 22. Worm; 23. Coupling; 24. Belt; 25. Rotating shaft. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Example 1: Please refer to Figures 1 to 5 , a garbage leachate treatment device, comprising:

[0025] Pretreatment group 1, emergency treatment group 2 is arranged on one side of pretreatment group 1, RO membrane system 3 is arranged on one side of emergency treatment group 2, concentrated water treatment group 4 is arranged on one side of RO membrane system 3, concentrated water treatment group 4 is arranged on one side of water quality online detector 5, one end of pretreatment group 1 is provided with regulating tank 6 connected to landfill leachate collection pipeline, regulating tank 6 is used to receive and preliminarily treat landfill leachate; the outlet of pretreatment group 1 is connected to RO membrane system 3 through security filter, RO membrane system 3 is used to further purify landfill leachate; RO membrane system 3 is respectively connected to concentrated water treatment group 4, concentrated water treatment group 4 is arranged on one side of concentrated water treatment group 4 ... 4 and an online water quality detector 5, wherein the concentrate treatment group 4 is used to treat the concentrate produced by the RO membrane system 3, and the online water quality detector 5 is used to monitor the water quality in real time; the concentrate treatment group 4 is also connected to the online water quality detector 5, and the treated water is transported to the permeate pool, and at the same time, the outlet of the pretreatment group 1 is also connected to the emergency treatment group 2, and the outlet of the emergency treatment group 2 is connected to the regulating tank 6 and the online water quality detector 5, so as to treat the landfill leachate in an emergency situation, and a purification device 7 is arranged between the concentrate treatment group 4 and the online water quality detector 5, and a cavity 10 is opened inside the purification device 7.

[0026] In the utility model, the concentrated water, sludge and clean water obtained by treating the landfill leachate are treated separately. The concentrated water is treated by the concentrated water treatment group 4 and then discharged back to the regulating tank 6 or subjected to other treatments. The sludge is discharged to landfill. The clean water is discharged after being tested by the online water quality detector 5 and meeting the standards. A purification device 7 is provided between the concentrated water treatment group 4 and the online water quality detector 5, so that the clean water is purified by the purification device 7 before being tested, thereby further reducing harmful substances in the clean water. Through the above structure, the utility model can realize efficient and low-cost landfill leachate treatment, and at the same time has intelligent operation and emergency treatment functions.

[0027] See also Figures 2 to 4 A garbage leachate treatment device, the purification device 7 includes a cleaning component and a driving component, the cleaning component includes: a filter plate 11, a rotating shaft 25 is fixedly installed on one side of the filter plate 11 by screws, a circular groove 16 is provided on the inner wall of the cavity 10, the rotating shaft 25 and the circular groove 16 cooperate with each other, the filter plate 11 is rotatably installed on the side wall of the cavity 10 through the rotating shaft 25 and the circular groove 16, the top and front end of the shell of the purification device 7 are respectively fixedly installed with a water injection port 8 and a water outlet 9, a filter screen 12 is provided on the filter plate 11, the filter screen 12 filters the clean water injected into the interior through the water injection port 8, and the filter plate 1 1 is located below the cavity 10 and is slidably mounted with a collecting box 13, the outer surface of the collecting box 13 is provided with a plurality of fine through holes, a handle is fixedly mounted on the side wall of the collecting box 13 by screws, and the collecting box 13 can be pulled out of the cavity 10, a sealing ring is provided at the junction of the collecting box 13 and the cavity 10, a cleaning brush 14 is slidably mounted on the side wall of the filter plate 11, an activated carbon plate 15 is fixedly mounted on one side of the filter plate 11 inside the purification device 7, and fine through holes are provided in the activated carbon plate 15, and the activated carbon plate 15 is used for filtering the clean water filtered by the filter plate 11 in the next step.

[0028] Specifically, by turning on the driving mechanism, the filter plate 11 can be rotated and the cleaning brush 14 can be driven to clean the foreign matter on the filter screen 12. The foreign matter on the filter screen 12 is cleaned into the collection box 13 by the cleaning brush 14 for centralized collection, which is convenient for the staff to operate.

[0029] See also Figures 2 to 5 A garbage leachate treatment device, the driving assembly includes: a reciprocating screw 18, both ends of the reciprocating screw 18 are rotatably connected to the side wall of the filter plate 11 through bearings, a slider 19 is threadedly connected to the reciprocating screw 18, one side of the slider 19 is fixedly connected to the side wall of the cleaning brush 14 by welding or screws, a worm gear 20 is fixedly installed on the side wall of the reciprocating screw 18 by welding, a slide groove 17 is opened on one side of the filter plate 11, and the reciprocating screw 18, the slider 19 and the worm gear 20 are all located in the slide groove 17.

[0030] Specifically, when the worm wheel 20 rotates, the reciprocating screw 18 fixedly connected to the worm wheel 20 will rotate synchronously with the worm wheel 20, and the slider 19 threadedly connected to the reciprocating screw 18 will drive the cleaning brush 14 fixedly connected to the slider 19 to clean foreign matter on the filter screen 12.

[0031] See also Figures 2 to 5 A landfill leachate treatment device, the driving assembly also includes: a motor 21, a rotating shaft 25 penetrated by the output shaft of the motor 21, when the output shaft of the motor 21 rotates, the rotating shaft 25 drives the filter plate 11 fixedly connected thereto to rotate, the motor 21 is fixedly mounted on the housing on the rear side of the purification device 7 by bolts, the inside of the filter plate 11 is rotatably connected to a worm 22 through a bearing, one end of the worm 22 and the output shaft of the motor 21 are fixedly mounted with a coupling 23 by welding, a belt 24 is arranged between the two couplings 23, and the worm 22 is meshed with a worm wheel 20.

[0032] Specifically, the motor 21 is turned on, and when the coupling 23 on the motor 21 rotates, the coupling 23 on the worm 22 rotates synchronously through the belt 24, so that the worm 22 fixedly connected to the coupling 23 rotates. The rotation of the worm 22 causes the worm wheel 20 meshing with it to drive the reciprocating screw 18 to rotate, so that the cleaning brush 14 can operate normally.

[0033] The above description is only a preferred specific implementation manner 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 technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A landfill leachate treatment device, characterized in that: include: A pretreatment group (1), an emergency treatment group (2) is arranged on one side of the pretreatment group (1), an RO membrane system (3) is arranged on one side of the emergency treatment group (2), a concentrated water treatment group (4) is arranged on one side of the RO membrane system (3), an online water quality detector (5) is arranged on one side of the concentrated water treatment group (4), a regulating tank (6) connected to a landfill leachate collection pipeline is arranged at one end of the pretreatment group (1), a purification device (7) is arranged between the concentrated water treatment group (4) and the online water quality detector (5), and a cavity (10) is opened inside the purification device (7).

2. A landfill leachate treatment device according to claim 1, characterized in that: The purification device (7) comprises a cleaning component and a driving component, wherein the cleaning component comprises: A filter plate (11) is rotatably mounted on a side wall of the cavity (10), a filter screen (12) is provided on the filter plate (11), a collection box (13) is slidably mounted inside the cavity (10) below the filter plate (11), and a cleaning brush (14) is slidably mounted on the side wall of the filter plate (11).

3. A landfill leachate treatment device according to claim 2, characterized in that: The drive assembly comprises: A reciprocating screw (18) is rotatably connected to the side wall of the filter plate (11), a slider (19) is threadedly connected to the reciprocating screw (18), one side of the slider (19) is fixedly connected to the side wall of the cleaning brush (14), and a worm gear (20) is fixedly mounted on the side wall of the reciprocating screw (18).

4. A landfill leachate treatment device according to claim 3, characterized in that: The drive assembly also includes: A motor (21) is fixedly mounted on a housing at the rear side of the purification device (7); a worm (22) is rotatably connected inside the filter plate (11); a coupling (23) is fixedly mounted on one end of the worm (22) and an output shaft of the motor (21); a belt (24) is provided between the two couplings (23); and the worm (22) is meshed with a worm wheel (20).

5. The garbage leachate treatment device according to claim 3, characterized in that: A slide groove (17) is provided on one side of the filter plate (11), and the reciprocating screw (18), the sliding block (19) and the worm gear (20) are all located in the slide groove (17).

6. The device for treating landfill leachate according to claim 2, characterized in that: An activated carbon plate (15) is fixedly mounted on one side of the filter plate (11) inside the purification device (7), and fine through holes are provided in the activated carbon plate (15).

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