Flocculation sedimentation tank for landfill leachate treatment

By introducing a spraying box and a mixing mechanism into the flocculation sedimentation tank for landfill leachate treatment, the problems of uneven drug application and low mixing efficiency were solved, achieving uniform drug application and efficient mixing, thus improving treatment effect and efficiency.

CN223823431UActive Publication Date: 2026-01-23SHANDONG JIARAN ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520317449.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-26
Publication Date
2026-01-23
Estimated Expiration
2035-02-26

AI Technical Summary

Technical Problem

Existing landfill leachate treatment flocculation sedimentation tanks require manual application of chemicals, resulting in uneven mixing, low mixing efficiency, and impacting treatment effectiveness and efficiency.

Method used

A spraying box and a stirring mechanism were designed. The motor drives the lead screw and stirring rod to achieve uniform spraying and mixing of the agent. Combined with the stirring of the stirring blades, it ensures that the agent and liquid are in full contact.

Benefits of technology

This method achieves uniform application and efficient mixing of the reagent in the sedimentation tank, improving the reaction effect and treatment efficiency, and facilitating subsequent solid-liquid separation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a landfill leachate treatment flocculation sedimentation tank which comprises a tank body, strip-shaped blocks are fixedly arranged on the two side faces of the tank body, T-shaped grooves are formed in the upper end faces of the strip-shaped blocks, T-shaped blocks are arranged in the T-shaped grooves in a sliding mode, and transverse plates are fixedly arranged on the upper end faces of the T-shaped blocks. Pesticide spraying boxes are arranged on the upper end face of the transverse plate and located on the two sides, multiple nozzles are arranged on the lower end faces of the pesticide spraying boxes and are evenly distributed, hoses are fixedly arranged on the outer walls of the pesticide spraying boxes, and pesticide adding pumps are arranged on the hoses; therefore, a user can control a first motor to enable a lead screw to drive a moving block and a transverse plate to move in a reciprocating mode, meanwhile, a dosing pump is started to enable a flocculation agent in an agent spraying box to be sprayed out through a spray head, the effect of evenly spreading the agent into the pool body is achieved, and use is convenient.
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Description

TECHNICAL FIELD

[0001] The utility model relates to garbage leachate treatment technical field more specifically, it relates to a kind of garbage leachate treatment flocculation sedimentation tank. BACKGROUND

[0002] Garbage leachate refers to the organic matter, inorganic matter and microorganism in garbage dissolved or suspended in water to form liquid due to the scouring of rainwater, decomposition of garbage itself and immersion of underground water during landfill process, which contains various organic and inorganic substances inside, and untreated garbage leachate directly discharged will pollute surface water and groundwater, and further affect the surrounding environment, and seriously affect the ecosystem and human health, so flocculation sedimentation tank is needed to purify and treat garbage permeate before discharge, and coagulant medicine needs to be added to wastewater during purification of sedimentation tank, and then impurity-containing colloidal particles collide and coagulate in the sedimentation tank, and then form floc that can be removed by sedimentation method.

[0003] However, most of the existing garbage leachate treatment flocculation sedimentation tank still needs manual throwing of reagent, and due to the large overall volume of the sedimentation tank, uneven phenomenon will inevitably occur during throwing of flocculation reagent, affecting the subsequent reaction effect.

[0004] Moreover, the existing flocculation reagent is not easy to mix with garbage leachate after entering the sedimentation tank, and the mixing rate is also low, which affects the overall treatment efficiency of the sedimentation tank, and it is not convenient to treat large amount of permeate. UTILITY MODEL CONTENT

[0005] (I) Technical problem solved

[0006] In view of the problems in the prior art, the utility model provides a garbage leachate treatment flocculation sedimentation tank to solve the technical problem that most of the existing garbage leachate treatment flocculation sedimentation tank still needs manual throwing of reagent, and due to the large overall volume of the sedimentation tank, uneven phenomenon will inevitably occur during throwing of flocculation reagent.

[0007] (II) Technical scheme

[0008] To achieve the above object, the utility model provides the following technical scheme: A kind of garbage leachate treatment flocculation sedimentation tank, including pool body, the both sides of the pool body are fixed with strip block, the upper end surface of the strip block is equipped with T-shaped groove, the inside of the T-shaped groove is slidably equipped with T-shaped block, the upper end surface of the T-shaped block is fixed with horizontal plate, the upper end surface of the horizontal plate and the both sides are equipped with spray tank, the lower end surface of the spray tank is equipped with spray head, the spray head is equipped with multiple and is evenly distributed, the outer wall of the spray tank is fixed with hose, the hose is equipped with dosing pump, the both ends of the pool body are equipped with fixed block, the middle position of the fixed block is rotatably equipped with lead screw, the one end of the lead screw and the outer wall of the fixed block are equipped with first motor, the middle position of the two spray tanks and the lower end surface of the horizontal plate are equipped with moving block, the lead screw is threadedly connected with the moving block, the outer wall of the horizontal plate and the four corners are equipped with stirring mechanism.

[0009] The utility model further provides that the stirring mechanism includes connecting block, the connecting block is provided with four groups and is fixedly connected with horizontal plate, stirring rod is rotatably equipped on the connecting block, stirring vane is equipped on the outer wall of the stirring rod, belt is equipped on the two pulleys, and the garbage leachate and flocculation reagent are stirred to be fully mixed.

[0010] The utility model further provides that the upper end surface of the connecting block is equipped with rack, the upper end surface of the rack is equipped with second motor, the output of the second motor is fixedly connected with stirring rod, and the stirring rod is rotated.

[0011] The utility model further provides that one end of the pool body and the bottom are equipped with discharge pipe, the other end of the discharge pipe is equipped with deslag pool, one-way valve is equipped on the discharge pipe, and the residue after flocculation is separated from water.

[0012] The utility model further provides that the inner wall of the deslag pool is equipped with slot, filter plate is movably equipped in the slot, and the filter plate is disassembled and cleaned.

[0013] The utility model further provides that the other side of the deslag pool is equipped with drain pipe, control valve is equipped on the drain pipe, and the water after treatment is discharged.

[0014] The utility model further provides that the upper end surface of the filter plate is fixedly equipped with pull ring, and the pull plate is taken out from the inside of the slot.

[0015] The utility model further provides that the both sides of the pool body and the middle position are fixedly equipped with storage tank, the other end of the hose is communicated with spray tank, and the inside of the spray tank is supplied with medicine.

[0016] (III) Beneficial Effects

[0017] Compared with the prior art, this utility model provides a flocculation sedimentation tank for landfill leachate treatment, which has the following beneficial effects:

[0018] 1. By setting up a horizontal plate, a spray box, and nozzles, the user can control the first motor to make the lead screw drive the moving block and the horizontal plate to move back and forth above the pool. At the same time, the dosing pump is turned on to make the flocculant inside the spray box sprayed out through the nozzles, so as to achieve the effect of uniformly spreading the medicine into the interior of the pool. This design makes it convenient to use. This design can make the flocculant enter the pool evenly, thereby increasing the subsequent reaction effect and making the treatment effect better.

[0019] 2. By setting stirring rods, stirring blades, and a second motor on the horizontal plate, while the medicine is being evenly applied, the second motor can be turned on to drive the pulley to rotate the four stirring rods simultaneously. This allows the stirring blades to agitate the leachate and flocculant, ensuring full contact and increasing treatment efficiency while also making it convenient to use.

[0020] 3. By setting up a discharge pipe, a slag removal tank, and a filter plate, after flocculation and sedimentation are completed, the user can open the one-way valve to allow the treated water to enter the slag removal tank through the discharge pipe. At this time, the flocculated impurities in the water will be blocked by the filter plate and remain in the slag removal tank, while the clean water will be discharged through the drain pipe for convenient use. Attached Figure Description

[0021] Figure 1 This is an overall schematic diagram of a landfill leachate treatment flocculation sedimentation tank in its unused state;

[0022] Figure 2 This is a schematic diagram showing the installation of the spray box, hose, dosing pump, stirring rod, and second motor on the horizontal plate.

[0023] Figure 3 This is a schematic diagram showing the location of the discharge pipe and check valve on the pool body;

[0024] Figure 4 This is a schematic diagram showing the positions of the spray box and nozzles on the horizontal plate;

[0025] Figure 5 This is a schematic diagram showing the installation of the stirring rod, stirring blades, pulleys, and belt.

[0026] In the diagram: 1. Tank body; 2. Strip block; 3. T-slot; 4. T-block; 5. Horizontal plate; 6. Spraying box; 7. Nozzle; 8. Hose; 9. Dosing pump; 10. Fixed block; 11. Lead screw; 12. First motor; 13. Moving block; 14. Connecting block; 15. Stirring rod; 16. Stirring blade; 17. Pulley; 18. Belt; 19. Frame; 20. Second motor; 21. Discharge pipe; 22. Slag removal tank; 23. Check valve; 24. Slot; 25. Filter plate; 26. Drain pipe; 27. Control valve; 28. Pull ring; 29. ​​Storage tank. Detailed Implementation

[0027] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0028] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains.

[0029] In this utility model, unless otherwise stated, the orientations used, such as "up" and "down", usually refer to the direction shown in the accompanying drawings, or to the vertical, perpendicular, or gravitational direction; similarly, for ease of understanding and description, "left" and "right" usually refer to the left and right shown in the accompanying drawings; "inner" and "outer" refer to the inner and outer contours of each component itself, but the above directional terms are not used to limit this utility model.

[0030] Please see Figures 1-5 A landfill leachate treatment flocculation sedimentation tank includes a tank body 1. Strip blocks 2 are fixed on both sides of the tank body 1. T-shaped grooves 3 are opened on the upper end face of each strip block 2. T-shaped blocks 4 are slidably arranged inside each T-shaped groove 3. A horizontal plate 5 is fixed on the upper end face of each T-shaped block 4. Spraying boxes 6 are provided on the upper end face of the horizontal plate 5 and on both sides. Spraying nozzles 7 are provided on the lower end face of each spraying box 6. Multiple spraying nozzles 7 are provided and evenly distributed. A hose 8 is fixed on the outer wall of each spraying box 6. A dosing pump 9 is provided on each hose 8. Fixed blocks 10 are provided at both ends of the tank body 1. A lead screw 11 is rotatably provided at the middle position of the fixed block 10. A first motor 12 is provided at one end of the lead screw 11 and on the outer wall of the fixed block 10. A moving block 13 is provided at the middle position of the two spraying boxes 6 and on the lower end face of the horizontal plate 5. The lead screw 11 and the moving block 13 are threadedly connected. A stirring mechanism is provided on the outer wall of the horizontal plate 5 and at each of the four corners.

[0031] In this embodiment, the stirring mechanism includes a connecting block 14. Four sets of connecting blocks 14 are provided and are all fixedly connected to the horizontal plate 5. A stirring rod 15 is rotatably provided on each connecting block 14. A stirring blade 16 is provided on the outer wall of each stirring rod 15. A pulley 17 is provided at the upper end of each stirring rod 15. A belt 18 is provided on each of the two pulleys 17. A frame 19 is provided on the upper end surface of the connecting block 14. A second motor 20 is provided on the upper end surface of the frame 19. The output end of the second motor 20 is fixedly connected to the stirring rod 15.

[0032] More specifically, the user can control the first motor 12 to make the lead screw 11 drive the moving block 13 and the cross plate 5 to move back and forth above the pool body 1, and at the same time turn on the dosing pump 9 to make the flocculant inside the spray tank 6 spray out through the nozzle 7, so as to achieve the effect of uniformly spreading the medicine into the interior of the pool body 1, which is convenient to use. While uniformly spreading the medicine, the second motor 20 can be turned on to make the pulley 17 drive the four stirring rods 15 to rotate simultaneously, thereby making the stirring blades 16 agitate the landfill leachate and flocculant, so that they are fully contacted and the reaction efficiency is increased.

[0033] Please see Figure 1 and Figure 3 As an implementation method for filtering leachate after flocculation to facilitate subsequent slag removal: a discharge pipe 21 is provided at one end of the tank body 1 and at the bottom, and a slag removal tank 22 is provided at the other end of the discharge pipe 21. A one-way valve 23 is provided on the discharge pipe 21. A slot 24 is opened on the inner wall of the slag removal tank 22. A filter plate 25 is movably installed inside the slot 24. A drain pipe 26 is provided on the other side of the slag removal tank 22. A control valve 27 is provided on the drain pipe 26. A pull ring 28 is fixed on the upper end face of the filter plate 25.

[0034] Specifically, after flocculation and sedimentation are completed, the user can open the one-way valve 23 to allow the treated water to enter the sludge removal tank 22 through the discharge pipe 21. At this time, the flocculated impurities in the water will be blocked by the filter plate 25 and remain in the sludge removal tank 22, while the clean water will be discharged through the drain pipe 26 for easy subsequent centralized cleaning.

[0035] Please refer to Figure 1 As a further embodiment of adding medicine to the spraying tank 6: medicine storage tanks 29 are fixedly provided on both sides of the pool body 1 and in the middle position, and the other end of the hose 8 is connected to the spraying tank 6.

[0036] Specifically, chemicals can be supplied to the spray tank 6 so that the chemicals are sprayed out and enter the leachate to be treated.

[0037] In summary, when using the overall equipment: the user can control the first motor 12 to make the lead screw 11 drive the moving block 13 and the cross plate 5 to move back and forth above the tank 1, and at the same time turn on the dosing pump 9 to make the flocculant inside the spray tank 6 spray out through the nozzle 7 to achieve the effect of uniformly spreading the medicine into the tank 1, which is convenient to use. While uniformly spreading the medicine, the user can turn on the second motor 20 to make the pulley 17 drive the four stirring rods 15 to rotate simultaneously, so that the stirring blades 16 can agitate the landfill leachate and flocculant, so that they can fully contact each other and increase the reaction efficiency. After flocculation and sedimentation are completed, the user can open the one-way valve 23 to let the treated water enter the sludge removal tank 22 through the discharge pipe 21. At this time, the flocculated impurities in the water will be blocked by the filter plate 25 and remain in the sludge removal tank 22, while the clean water will be discharged through the drain pipe 26 for convenient subsequent centralized cleaning.

[0038] When it is necessary to add medicine, the user can control the first motor 12 to make the lead screw 11 drive the moving block 13 and the cross plate 5 to move back and forth above the pool body 1, and at the same time turn on the dosing pump 9 to make the flocculant inside the spray tank 6 spray out through the nozzle 7, so as to achieve the effect of uniformly spreading medicine into the interior of the pool body 1.

[0039] When adding chemicals, the second motor 20 can be turned on to drive the pulley 17 to rotate the four stirring rods 15 simultaneously, thereby causing the stirring blades 16 to agitate the landfill leachate and flocculant, ensuring full contact and increasing reaction efficiency.

[0040] After the reaction is complete, the treated water can be discharged through the discharge pipe 21 into the sludge removal tank 22 by opening the one-way valve 23. At this time, the flocculated impurities in the water will be blocked by the filter plate 25 and remain in the sludge removal tank 22, while the clean water will be discharged through the drain pipe 26 for easy subsequent centralized cleaning.

[0041] Of all the solutions mentioned above, those involving the connection between two components can be selected according to the actual situation, such as welding, bolt and nut connection, bolt or screw connection, or other known connection methods, which will not be elaborated here. For all the fixed connections mentioned above, welding is preferred. Although embodiments of this utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of this utility model. The scope of this utility model is defined by the appended claims and their equivalents.

Claims

1. A landfill leachate treatment flocculation sedimentation tank, comprising a tank body (1), characterized in that: Both sides of the pool body (1) are fixedly provided with strip blocks (2), and the upper end face of each strip block (2) is provided with a T-shaped groove (3). A T-shaped block (4) is slidably provided inside each T-shaped groove (3). A horizontal plate (5) is fixedly provided on the upper end face of each T-shaped block (4). A spray box (6) is provided on both sides of the upper end face of the horizontal plate (5). A nozzle (7) is provided on the lower end face of each spray box (6). Multiple nozzles (7) are provided and evenly distributed. A flexible hose (8) is fixedly provided on the outer wall of each spray box (6). Each of the hoses (8) is equipped with a dosing pump (9), and each of the two ends of the pool body (1) is equipped with a fixed block (10). A screw (11) is rotatably provided in the middle of the fixed block (10). A first motor (12) is provided at one end of the screw (11) and on the outer wall of the fixed block (10). A moving block (13) is provided in the middle of the two spray boxes (6) and on the lower end face of the horizontal plate (5). The screw (11) is threadedly connected to the moving block (13). A stirring mechanism is provided on the outer wall of the horizontal plate (5) and at each of the four corners.

2. The landfill leachate treatment flocculation sedimentation tank according to claim 1, characterized in that: The stirring mechanism includes a connecting block (14), which is provided in four sets and is fixedly connected to the horizontal plate (5). Each connecting block (14) is rotatably provided with a stirring rod (15). Each stirring rod (15) is provided with stirring blades (16) on its outer wall. Each stirring rod (15) is provided with a pulley (17) at its upper end, and two pulleys (17) are provided with belts (18).

3. The landfill leachate treatment flocculation sedimentation tank according to claim 2, characterized in that: The upper end face of the connecting block (14) is provided with a frame (19), and the upper end face of the frame (19) is provided with a second motor (20). The output end of the second motor (20) is fixedly connected to the stirring rod (15).

4. The landfill leachate treatment flocculation sedimentation tank according to claim 1, characterized in that: The pool body (1) has a discharge pipe (21) at one end and at the bottom, and a slag removal pool (22) at the other end of the discharge pipe (21). A one-way valve (23) is provided on the discharge pipe (21).

5. A landfill leachate treatment flocculation sedimentation tank according to claim 4, characterized in that: The inner wall of the slag removal tank (22) is provided with a slot (24), and a filter plate (25) is movably installed inside the slot (24).

6. A landfill leachate treatment flocculation sedimentation tank according to claim 4, characterized in that: A drain pipe (26) is provided on the other side of the slag removal tank (22), and a control valve (27) is provided on the drain pipe (26).

7. A landfill leachate treatment flocculation sedimentation tank according to claim 5, characterized in that: A pull ring (28) is fixedly provided on the upper end face of the filter plate (25).

8. A landfill leachate treatment flocculation sedimentation tank according to claim 1, characterized in that: Both sides of the pool body (1) and the middle position are fixed with medicine storage tanks (29), and the other end of the hose (8) is connected to the spraying tank (6).