Anaerobic treatment device for garbage penetrating fluid

By designing a synchronous stirring system driven by mounting rods and fixed rods, and combining the cleaning mechanism of scraper rings and scrapers, the problems of uneven permeate treatment efficiency and contamination of inner walls in the prior art are solved, and more efficient permeate treatment and cleaning of the inner wall of the device are achieved.

CN222907682UActive Publication Date: 2025-05-27WUHAN HANKOU GREEN ENERGY CO LTD
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Patent Information

Application Number
CN202421820496.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-30
Publication Date
2025-05-27
Estimated Expiration
2034-07-30

AI Technical Summary

Technical Problem

During the stirring process of the existing garbage permeate anaerobic treatment device, the mixed degree of permeate and microorganisms in the tank is different at different heights, resulting in uneven treatment efficiency; and there is a lack of effective inner wall cleaning measures, resulting in impurities contamination and affecting subsequent treatment efficiency.

Method used

A garbage permeate anaerobic treatment device is designed, and the stirring paddle is driven by the mounting rod and the fixed rod to drive the stirring paddle, and the synchronous rotation of multiple sets of stirring paddles is achieved through the synchronization belt and the synchronization wheel; at the same time, the impurities on the inner wall of the tank are cleaned by using the scraper ring and the scraper, and the motor drive screw and the drive wheel are achieved for a more thorough cleaning.

Benefits of technology

Through the above design, uniform mixing of liquids of different heights in the treatment tank is achieved, and the treatment efficiency of permeate is improved. At the same time, impurities on the inner wall of the tank are effectively cleaned up, and the efficient operation of the device is maintained.

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Abstract

The utility model discloses a garbage penetrating fluid anaerobic treatment device which comprises a treatment tank, an upper mounting cover is arranged above the treatment tank, a lower mounting cover is arranged below the treatment tank, a mounting rod is arranged in a tank body, two groups of fixing rods which are symmetrically distributed are arranged in the mounting rod, a plurality of groups of stirring paddles which are distributed at equal intervals are arranged on the fixing rods, and the stirring paddles are arranged in the tank body. The plurality of groups of stirring paddles are rotatably connected with the fixed rod through a rotating shaft, two adjacent groups of stirring paddles are sleeved with synchronous wheels, a synchronous belt is arranged between two adjacent groups of stirring paddles, two groups of symmetrically distributed sliding blocks are arranged on two sides of the fixed rod, two groups of symmetrically distributed sliding rods are arranged in the mounting rod, and the sliding rods are sleeved with springs. The stirring paddle on the fixed rod intermittently ascends and descends while rotating and stirring liquid in the treatment tank through the arranged mounting rod and the fixed rod, and the liquid at different heights in the treatment tank is pushed, so that the liquid at different heights in the treatment tank can be well mixed.
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Description

Technical Field

[0001] The utility model relates to the technical field of landfill leachate treatment, in particular to an anaerobic treatment device for landfill leachate. Background Technique

[0002] The leachate generated during the landfill process of a landfill is a high-concentration organic wastewater, and its physical and chemical characteristics are related to the characteristics of various pollutants in the landfill. Moreover, the composition and concentration of the pollutants in the landfill leachate increase with the increase of the landfill age. The leachate of landfills with a landfill age of more than ten years is called "aged landfill leachate". Due to the high content of refractory substances and high-concentration salt ions such as ammonia nitrogen in the aged landfill leachate, the carbon-nitrogen ratio is seriously unbalanced, resulting in extremely poor biodegradability, making the treatment of aged landfill leachate a difficult point in leachate treatment. Anaerobic reactor treatment is another common anaerobic treatment method for leachate. It uses a closed reactor to make microorganisms into suspended matter through built-in stirring equipment or flowing equipment, and biochemically decomposes the organic matter in the leachate under appropriate temperature, pH, and gaseous pressure.

[0003] In the anaerobic treatment device used in the prior art, during the stirring process inside the tank body, the mixing degree of the leachate and microorganisms at different heights inside the tank body is different, the reaction efficiency of the leachate at each part inside the treatment device is different, and there is no good cleaning measure for the inner wall of the treatment device tank body, resulting in part of the impurities precipitated from the leachate adhering to the inner wall of the tank body, affecting the treatment efficiency of the device in the subsequent leachate treatment work. Content of the Utility Model

[0004] The purpose of the utility model is to provide an anaerobic treatment device for landfill leachate to solve the problems put forward in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: an anaerobic treatment device for landfill leachate, including a treatment tank, an upper mounting cover is arranged above the treatment tank, a lower mounting cover is arranged below the treatment tank, a mounting rod is arranged inside the tank body, two groups of symmetrically distributed fixed rods are arranged inside the mounting rod, multiple groups of equidistantly distributed stirring paddles are arranged on the fixed rods, multiple groups of the stirring paddles are rotationally connected to the fixed rods through rotating shafts, synchronous wheels are sleeved on adjacent two groups of the stirring paddles, synchronous belts are arranged between adjacent two groups of the stirring paddles, two groups of symmetrically distributed sliders are arranged on both sides of the fixed rod, two groups of symmetrically distributed sliding rods are arranged inside the mounting rod, springs are sleeved on the sliding rods, the sliders are slidably sleeved on the sliding rods, a flying disc is arranged inside the mounting rod, a connecting rod is arranged inside the mounting rod, a scraping ring is arranged inside the treatment tank, the scraping ring is slidably connected to the treatment tank, a lead screw is arranged inside the treatment tank, a scraping plate is arranged inside the scraping ring, and the scraping plate is slidably connected to the scraping ring.

[0006] As a further optimization of this technical solution, the synchronous belt is respectively in transmission connection with two corresponding synchronous wheels. A second motor is arranged inside the fixed rod, and the lower stirring paddle is connected to the output end of the second motor through a rotating shaft.

[0007] As a further optimization of this technical solution, the two ends of the spring are respectively fixedly connected to the slider and the mounting rod. The flying disc is rotationally connected to the mounting rod through a rotating shaft. A first motor is arranged inside the mounting rod. The flying disc is connected to the output end of the first motor through a rotating shaft. The two ends of the connecting rod are respectively rotationally connected to the flying disc and the slider through rotating shafts.

[0008] As a further optimization of this technical solution, the upper end of the mounting rod penetrates through the upper mounting cover and is rotationally connected to the upper mounting cover through a rotating shaft. An electric motor is arranged on the upper mounting cover. The mounting rod is connected to the output end of the electric motor through a rotating shaft.

[0009] As a further optimization of this technical solution, a fourth motor is arranged inside the treatment tank. The lower end of the lead screw is connected to the output end of the fourth motor. The two ends of the lead screw respectively penetrate through the treatment tank and are rotationally connected to the treatment tank. The lead screw penetrates through the left side of the scraping ring and is in threaded connection with the scraping ring.

[0010] As a further optimization of this technical solution, a toothed ring is arranged inside the scraping ring. The scraping plate is fixedly installed with the toothed ring. The toothed ring is rotationally connected to the scraping ring through a bearing. A driving wheel is arranged inside the scraping ring. The driving wheel is rotationally connected to the scraping ring through a rotating shaft. A third motor is arranged inside the scraping ring. The driving wheel is connected to the output end of the third motor through a rotating shaft. The driving wheel is in meshing connection with the toothed ring.

[0011] The utility model provides a garbage leachate anaerobic treatment device, which has the following beneficial effects:

[0012] (1) Through the arranged mounting rod and fixed rod, the stirring paddle on the fixed rod intermittently rises and falls while rotating to stir the liquid in the treatment tank, pushing the liquid at different heights in the treatment tank, so that the liquid at different heights in the treatment tank can be well mixed. The second motor drives the stirring paddle to rotate, and under the action of the synchronous belt and synchronous wheels, multiple groups of stirring paddles rotate synchronously to stir the liquid in the treatment tank. At the same time, the first motor is started to drive the flying disc to rotate, reciprocally push the connecting rod, and cooperate with the sliding rod and the spring to make the slider drive the fixed rod and multiple groups of stirring paddles on the fixed rod to move up and down reciprocally, pushing the liquid in the treatment tank up and down, so that the liquid at different heights in the treatment tank is uniformly mixed and processed, and the treatment efficiency of the leachate in the treatment tank is accelerated.

[0013] (2) The utility model realizes the cleaning of impurities adhered to the inner wall of the treatment tank during the reaction of the permeate in the inner wall of the treatment tank through the provided scraping ring, and scrapes the impurities adhered to the scraping ring through the provided scraper, reducing the impurities adhered to the scraping ring; start the fourth motor to drive the screw rod to rotate, and under the limiting effect of the treatment tank, the scraping ring slides in the treatment tank, and the scraping ring fits with the inner wall of the treatment tank. Therefore, during the sliding of the scraping ring, the impurities adhered to the inner wall of the treatment tank are removed. At the same time, start the third motor to drive the driving wheel to rotate. The driving wheel is meshed and connected with the toothed ring. Under the action of the driving wheel, the toothed ring rotates in the scraping ring and drives the scraper to slide on the scraping ring to further clean the impurities adhered to the scraping ring. Description of the Drawings

[0014] Figure 1 is a schematic structural diagram of the whole of the utility model;

[0015] Figure 2 is a cross-sectional view of the treatment tank of the utility model;

[0016] Figure 3 is a schematic structural diagram of the mounting rod of the utility model;

[0017] Figure 4 is a schematic structural diagram of the stirring paddle of the utility model;

[0018] Figure 5 is a schematic structural diagram of the scraping ring of the utility model;

[0019] In the figure: 1. Treatment tank; 2. Upper mounting cover; 3. Lower mounting cover; 4. Mounting rod; 5. Motor; 6. Fixed rod; 7. Slide block; 8. Slide rod; 9. Spring; 10. Connecting rod; 11. Flywheel; 12. First motor; 13. Stirring paddle; 14. Synchronous pulley; 15. Synchronous belt; 16. Second motor; 17. Scraping ring; 18. Scraper; 19. Toothed ring; 20. Driving wheel; 21. Third motor; 22. Screw rod; 23. Fourth motor. Detailed Embodiment

[0020] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model.

[0021] The present utility model provides technical solutions as follows: As Figure 1 、 Figure 2 、 Figure 3 and Figure 4As shown in the figure, in this embodiment, an anaerobic treatment device for landfill leachate includes a treatment tank 1. There is an upper mounting cover 2 above the treatment tank 1 and a lower mounting cover 3 below the treatment tank 1. There is a mounting rod 4 inside the tank. There are two groups of symmetrically distributed fixed rods 6 inside the mounting rod 4. There are multiple groups of equally spaced stirring paddles 13 on the fixed rods 6. The multiple groups of stirring paddles 13 are rotationally connected to the fixed rods 6 through rotating shafts. Synchronous wheels 14 are sleeved on adjacent two groups of stirring paddles 13. Synchronous belts 15 are provided between adjacent two groups of stirring paddles 13. There are two groups of symmetrically distributed sliders 7 on both sides of the fixed rod 6. There are two groups of symmetrically distributed sliding rods 8 inside the mounting rod 4. Springs 9 are sleeved on the sliding rods 8. The sliders 7 are slidably sleeved on the sliding rods 8. There is a flying disc 11 inside the mounting rod 4. There is a connecting rod 10 inside the mounting rod 4. There is a scraping ring 17 inside the treatment tank 1. The scraping ring 17 is slidably connected to the treatment tank 1. There is a lead screw 22 inside the treatment tank 1. There is a scraping plate 18 inside the scraping ring 17. The scraping plate 18 is slidably connected to the scraping ring 17. The synchronous belts 15 are respectively in transmission connection with the corresponding two groups of synchronous wheels 14. There is a second motor 16 inside the fixed rod 6. The lower stirring paddle 13 is connected to the output end of the second motor 16 through a rotating shaft. The two ends of the spring 9 are respectively fixedly connected to the slider 7 and the mounting rod 4. The flying disc 11 is rotationally connected to the mounting rod 4 through a rotating shaft. There is a first motor 12 inside the mounting rod 4. The flying disc 11 is connected to the output end of the first motor 12 through a rotating shaft. The two ends of the connecting rod 10 are respectively rotationally connected to the flying disc 11 and the slider 7 through rotating shafts. The upper end of the mounting rod 4 penetrates through the upper mounting cover 2 and is rotationally connected to the upper mounting cover 2 through a rotating shaft. There is a motor 5 on the upper mounting cover 2. The mounting rod 4 is connected to the output end of the motor 5 through a rotating shaft.

[0022] Through the provided mounting rod 4 and fixed rod 6, the stirring paddles 13 on the fixed rod 6 intermittently lift while rotating to stir the liquid in the treatment tank 1, pushing the liquid at different heights in the treatment tank 1, so that the liquid at different heights in the treatment tank 1 can be well mixed; the second motor 16 drives the stirring paddles 13 to rotate, and under the action of the synchronous belts 15 and synchronous wheels 14, multiple groups of stirring paddles 13 rotate synchronously to stir the liquid in the treatment tank 1. At the same time, the first motor 12 is started to drive the flying disc 11 to rotate, reciprocally push the connecting rod 10, and cooperate with the sliding rods 8 and springs 9 to make the slider 7 drive the fixed rod 6 and multiple groups of stirring paddles 13 on the fixed rod 6 to move up and down reciprocally, pushing the liquid in the treatment tank 1 up and down, so that the liquid at different heights in the treatment tank 1 is uniformly mixed and processed, accelerating the treatment efficiency of the leachate in the treatment tank 1.

[0023] As Figure 2 and Figure 5As shown in the figure, a fourth motor 23 is provided inside the treatment tank 1. The lower end of the lead screw 22 is connected to the output end of the fourth motor 23. Both ends of the lead screw 22 penetrate through the treatment tank 1 and are rotatably connected to the treatment tank 1. The lead screw 22 penetrates through the left side of the scraping ring 17 and is threadedly connected to the scraping ring 17. A toothed ring 19 is provided inside the scraping ring 17. The scraping plate 18 is fixedly installed with the toothed ring 19. The toothed ring 19 is rotatably connected to the scraping ring 17 through a bearing. A driving wheel 20 is provided inside the scraping ring 17. The driving wheel 20 is rotatably connected to the scraping ring 17 through a rotating shaft. A third motor 21 is provided inside the scraping ring 17. The driving wheel 20 is connected to the output end of the third motor 21 through a rotating shaft. The driving wheel 20 is meshed and connected to the toothed ring 19.

[0024] Through the provided scraping ring 17, the impurities adhered to the inner wall of the treatment tank 1 during the reaction of the permeate in the inner wall of the treatment tank 1 are cleaned, and the impurities adhered to the scraping ring 17 are scraped off by the provided scraping plate 18, reducing the impurities adhered to the scraping ring 17; start the fourth motor 23 to drive the lead screw 22 to rotate. Under the limiting action of the treatment tank 1, the scraping ring 17 slides inside the treatment tank 1, and the scraping ring 17 fits with the inner wall of the treatment tank 1. Therefore, during the sliding process of the scraping ring 17, the impurities adhered to the inner wall of the treatment tank 1 are removed. At the same time, start the third motor 21 to drive the driving wheel 20 to rotate. The driving wheel 20 is meshed and connected to the toothed ring 19. Under the action of the driving wheel 20, the toothed ring 19 rotates inside the scraping ring 17 and drives the scraping plate 18 to slide on the scraping ring 17, further cleaning the impurities adhered to the scraping ring 17.

[0025] The utility model provides a garbage leachate anaerobic treatment device, and the specific working principle is as follows: drive the stirring paddle 13 to rotate through the second motor 16, and under the action of the synchronous belt 15 and the synchronous pulley 14, multiple groups of stirring paddles 13 rotate synchronously to stir the liquid in the treatment tank 1. At the same time, start the first motor 12 to drive the flying disc 11 to rotate, reciprocally push the connecting rod 10, and cooperate with the sliding rod 8 and the spring 9 to make the slider 7 drive the fixing rod 6 and multiple groups of stirring paddles 13 on the fixing rod 6 to move up and down reciprocally, push the liquid in the treatment tank 1 up and down, so that the liquid at different heights in the treatment tank 1 is uniformly mixed, improving the treatment efficiency of the leachate in the treatment tank 1. Start the fourth motor 23 to drive the lead screw 22 to rotate. Under the limiting action of the treatment tank 1, the scraping ring 17 slides inside the treatment tank 1, and the scraping ring 17 fits with the inner wall of the treatment tank 1. Therefore, during the sliding process of the scraping ring 17, the impurities adhered to the inner wall of the treatment tank 1 are removed. At the same time, start the third motor 21 to drive the driving wheel 20 to rotate. The driving wheel 20 is meshed and connected to the toothed ring 19. Under the action of the driving wheel 20, the toothed ring 19 rotates inside the scraping ring 17 and drives the scraping plate 18 to slide on the scraping ring 17, further cleaning the impurities adhered to the scraping ring 17.

[0026] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A garbage leachate anaerobic treatment device, comprising a treatment tank (1), characterized in that: An upper mounting cover (2) is provided above the processing tank (1), a lower mounting cover (3) is provided below the processing tank (1), a mounting rod (4) is provided inside the processing tank, two groups of symmetrically distributed fixing rods (6) are provided inside the mounting rod (4), a plurality of groups of stirring paddles (13) are provided on the fixing rod (6) and are rotatably connected to the fixing rod (6) via a rotating shaft, two adjacent groups of stirring paddles (13) are sleeved with synchronous wheels (14), a synchronous belt (15) is provided between the two adjacent groups of stirring paddles (13), and two groups of A symmetrically distributed slider (7), two groups of symmetrically distributed sliders (8) are arranged in the mounting rod (4), a spring (9) is sleeved on the slider (8), the slider (7) and the slider (8) are slidably sleeved, a flying disc (11) is arranged in the mounting rod (4), a connecting rod (10) is arranged in the mounting rod (4), a scraper ring (17) is arranged in the processing tank (1), the scraper ring (17) is slidably connected to the processing tank (1), a screw rod (22) is arranged in the processing tank (1), a scraper plate (18) is arranged in the scraper ring (17), and the scraper plate (18) is slidably connected to the scraper ring (17).

2. The anaerobic treatment device for garbage leachate according to claim 1, characterized in that: The synchronous belt (15) is respectively connected to the corresponding two sets of synchronous wheels (14) in a transmission manner. A second motor (16) is provided inside the fixed rod (6), and the stirring paddle (13) below is connected to the output end of the second motor (16) through a rotating shaft.

3. The anaerobic treatment device for garbage leachate according to claim 1, characterized in that: The two ends of the spring (9) are respectively fixedly connected to the slider (7) and the mounting rod (4); the flying disc (11) is rotationally connected to the mounting rod (4) via a rotating shaft; a first motor (12) is provided inside the mounting rod (4); the flying disc (11) is connected to the output end of the first motor (12) via a rotating shaft; and the two ends of the connecting rod (10) are respectively rotationally connected to the flying disc (11) and the slider (7) via a rotating shaft.

4. The anaerobic treatment device for garbage leachate according to claim 1, characterized in that: The upper end of the mounting rod (4) passes through the upper mounting cover (2) and is rotatably connected to the upper mounting cover (2) via a rotating shaft; a motor (5) is provided on the upper mounting cover (2); and the mounting rod (4) is connected to an output end of the motor (5) via the rotating shaft.

5. The anaerobic treatment device for garbage leachate according to claim 1, characterized in that: A fourth motor (23) is provided in the processing tank (1), the lower end of the screw rod (22) is connected to the output end of the fourth motor (23), the two ends of the screw rod (22) respectively penetrate the processing tank (1) and are rotatably connected to the processing tank (1), and the screw rod (22) penetrates the left side of the scraper ring (17) and is threadedly connected to the scraper ring (17).

6. The anaerobic treatment device for garbage leachate according to claim 1, characterized in that: The scraper ring (17) is provided with a gear ring (19), the scraper plate (18) is fixedly mounted on the gear ring (19), the gear ring (19) is rotatably connected to the scraper ring (17) via a bearing, the scraper ring (17) is provided with a driving wheel (20), the driving wheel (20) is rotatably connected to the scraper ring (17) via a rotating shaft, the scraper ring (17) is provided with a third motor (21), the driving wheel (20) is connected to the output end of the third motor (21) via a rotating shaft, and the driving wheel (20) is meshingly connected to the gear ring (19).