Percolate treatment device based on biochemical reaction

Abstract

The utility model discloses a leachate treatment device based on biochemical reaction, and relates to the technical field of leachate treatment. A plurality of spraying heads are arranged at the top of the inner wall of the treatment box, connecting pipes are arranged at the tops of the spraying heads, electromagnetic valves are arranged on the connecting pipes, water conveying pipes communicate with the tops of the connecting pipes, a water tank is arranged on the left side of the treatment box, and a first water pump is placed in the water tank; the output end of the first water pump is fixedly communicated with the connector of the water conveying pipe. The first water pump conveys water to the spraying head, water flow or water drops sprayed at a high speed through the spraying head can smash bubbles floating on the water surface, part of scattered sludge particles restore the settling performance again, and therefore foam can be reduced, the spraying head can be independently controlled to spray water through the electromagnetic valve, and the elimination efficiency can be controlled according to the foam amount. And the cost is saved.

Description

Technical Field

[0001] The utility model relates to the technical field of leachate treatment, in particular to a leachate treatment device based on biochemical reaction. Background Art

[0002] Garbage leachate refers to a high-concentration wastewater formed by the water contained in the garbage in the landfill, the rain and snow water entering the landfill, and other water, minus the saturated water holding capacity of the garbage and the covering soil layer, and passing through the garbage layer and the covering soil layer. The water quality of garbage leachate is quite complex, generally containing high concentrations of organic matter, heavy metal salts, SS and ammonia nitrogen. Garbage leachate not only pollutes the soil and surface water sources, but also pollutes groundwater.

[0003] Existing landfill leachate is usually treated by a biochemical treatment device for leachate. However, a large amount of foam will be generated after the chemical agents are mixed with the landfill leachate. The foam will have a certain negative impact on water treatment, thereby reducing the treatment effect of the landfill leachate and causing increased costs. Utility Model Content

[0004] The purpose of the utility model is to address the deficiencies of the prior art and provide a leachate treatment device based on biochemical reactions, which solves the problem that the leachate is treated by a biochemical treatment device, but a large amount of foam is generated after the chemical agent is mixed with the garbage leachate, and the foam will have a certain negative impact on water treatment, thereby reducing the treatment effect of the garbage leachate and causing the problem of increased costs.

[0005] To achieve the above objectives, the utility model is implemented through the following technical solutions: a leachate treatment device based on biochemical reaction, including a treatment box, characterized in that it also includes a water tank; a plurality of spray heads are arranged on the top of the inner cavity of the treatment box; the input port of each spray head is connected to the water pipe through an independent connecting pipe; a solenoid valve is arranged in each connecting pipe; the water pipe is connected to the inner cavity of the water tank through a first water pump.

[0006] Preferably, one or more infusion tubes are arranged inside the processing box; and a plurality of through holes are arranged on the surfaces of all the infusion tubes.

[0007] Preferably, several infusion tubes are connected to the liquid supply tube; the liquid supply tube is connected to the inner cavity of the medicine box through two water pumps.

[0008] Preferably, the reagent box contains defoaming agent, antiscalant, flocculant, membrane cleaning agent and bactericide; and the second water pump is located inside the reagent box.

[0009] Preferably, the infusion tube is located below the shower head.

[0010] Preferably, two activated carbon rods parallel to each other are rotatably connected inside the treatment box; the two activated carbon rods are driven by a driving assembly to rotate synchronously.

[0011] Preferably, the driving assembly comprises a transmission wheel, a belt and a rotating motor; transmission wheels are fixed to the ends of the two activated carbon rods; the two transmission wheels are connected by belt drive; and the output shaft of the rotating motor is fixed to the end of one of the activated carbon rods.

[0012] Preferably, the end of the activated carbon rod is connected to the side wall of the treatment box via a bearing.

[0013] Preferably, the infusion tubes in the treatment box are divided into two groups; the axes of the infusion tubes in the same group are arranged in sequence and at intervals in the same plane; and the activated carbon rod is located between the two groups of infusion tubes.

[0014] Preferably, the side wall of the activated carbon rod is provided with a plurality of activated carbon protrusion structures.

[0015] The beneficial effects of the present invention are:

[0016] 1. The utility model delivers water to the sprinkler head through the first water pump. The water flow or water droplets sprayed at high speed by the sprinkler head can break the bubbles floating on the water surface, and some of the sludge particles that have been broken up can restore the sedimentation performance, thereby reducing foam. The sprinkler head can be individually controlled to spray water through the solenoid valve, so that the elimination efficiency can be controlled according to the amount of foam, thereby saving costs.

[0017] 2. The utility model introduces a rotatable activated carbon rod into the treatment box, which can promote the flow of water in the treatment box while achieving adsorption. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0019] Figure 2 This is a schematic diagram of the internal structure of the processing box of the utility model.

[0020] Figure 3 This is a schematic diagram of the structure of the first and second water pumps of the utility model.

[0021] Figure 4 This is a schematic diagram of the structure of the sprinkler head of the utility model.

[0022] In the figure: 1. treatment box; 2. sprinkler head; 3. connecting pipe; 4. solenoid valve; 5. water pipe; 6. water tank; 7. first water pump; 8. liquid infusion pipe; 9. through hole; 10. liquid supply pipe; 11. second water pump; 12. reagent box; 13. activated carbon rod; 14. bearing; 15. rotating motor; 16. transmission wheel; 17. belt. 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] See also Figure 1-4 The utility model provides a technical solution: a leachate treatment device based on biochemical reaction, comprising a treatment box 1, a plurality of spray heads 2 are arranged on the top of the inner cavity of the treatment box 1, a connecting pipe 3 is arranged on the top of the plurality of spray heads 2, and a solenoid valve 4 is arranged on the connecting pipe 3. The tops of the connecting pipes 3 are all connected with the water pipe 5. A water tank 6 is arranged on the side of the treatment box 1; a first water pump 7 is placed inside the water tank 6, and the output port of the first water pump 7 is fixed and connected with the connector of the water pipe 5. The first water pump 7 is used to transport water to the spray head 2. During operation, the water flow or water droplets sprayed at high speed by the spray head 2 can break the bubbles floating on the water surface, and the part of the sludge particles that have been broken up can restore the sedimentation performance, thereby reducing foam. At the same time, the spray head 2 can be individually controlled to spray water through the solenoid valve 4, so that the elimination efficiency can be controlled according to the amount of foam, thereby saving costs.

[0025] See also Figure 1-4 The utility model provides a technical solution: a plurality of infusion tubes 8 are provided at the front and rear ends of the treatment box 1, and a plurality of through holes 9 are provided on the surfaces of the plurality of infusion tubes 8. The medicine is discharged through the through holes 9 in the treatment box 1 through the infusion tubes 8, so that the medicine is mixed with the landfill leachate, thereby achieving the treatment of the landfill leachate.

[0026] See also Figure 1-4 The utility model provides a technical solution: the tops of the plurality of liquid infusion pipes 8 are all connected with a liquid supply pipe 10, the end of the liquid supply pipe 10 penetrates the side wall of the treatment box 1 and is fixedly connected with the output port of the second water pump 11. During operation, the chemical agent is transported into the liquid infusion pipe 8 by the second water pump 11, thereby filtering the garbage leachate in the treatment box 1.

[0027] See also Figure 1-4The utility model provides a technical solution: a reagent box 12 is arranged on the left side of the treatment box 1, and the reagent box 12 contains defoamers, scale inhibitors, flocculants, membrane cleaning agents, and bactericides, and the second water pump 11 is located inside the reagent box 12. The reagent box 12 is used to add chemical agents and then transport them to the garbage leachate for filtration through the second water pump 11. Defoamers, scale inhibitors, flocculants, membrane cleaning agents, and bactericides are existing agents that can be used to treat the leachate, and are not described in detail here.

[0028] See also Figure 1-4 The utility model provides a technical solution: the infusion tube 8 is located below the spray head 2. The spray head 2 is located above the infusion tube 8, so as to eliminate the foam generated by the mixture of the agent and the landfill leachate in the infusion tube 8.

[0029] See also Figure 1-4 The utility model provides a technical solution: the upper and lower ends of the processing box 1 are both provided with activated carbon rods 13, and the activated carbon rods 13 are located between the infusion pipes 8. The surface of the activated carbon rods 13 is covered with activated carbon, and the activated carbon is in contact with the landfill leachate, so that the odor of the landfill leachate can be eliminated.

[0030] See also Figure 1-4 The utility model provides a technical solution: a bearing 14 is installed at one end of two activated carbon rods 13; a transmission wheel 16 is fixed at the other end of the two activated carbon rods 13; the end of one of the activated carbon rods 13 passes through the side wall of the treatment box 1 and is fixed to the output shaft of the motor outside the treatment box; a belt 17 is sleeved between the two transmission wheels 16 to achieve transmission connection. The two activated carbon rods 13 are rotated in the treatment box 1 by rotating the motor 15 and the belt 17, so that the landfill leachate and the reagent in the treatment box 1 are quickly mixed.

[0031] In some embodiments, the side walls of the two activated carbon rods 13 are provided with a plurality of activated carbon protrusion structures to improve the stirring effect.

[0032] During operation, the first water pump 7 transports water to the spray head 2. The water flow or water droplets sprayed at high speed by the spray head 2 can break the bubbles floating on the water surface, and some of the broken sludge particles regain their sedimentation performance, thereby reducing foam. The solenoid valve 4 can independently control the spraying of water from the spray head 2, so that the elimination efficiency can be controlled according to the amount of foam, thereby saving costs.

[0033] To sum up, this leachate treatment device based on biochemical reaction solves the problem of leachate treatment by biochemical treatment device, but a large amount of foam will be generated after mixing with the landfill leachate by chemical agents. The foam will have a certain negative impact on water treatment, thereby reducing the treatment effect of the landfill leachate and causing the problem of increased cost.

[0034] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A leachate treatment device based on biochemical reaction, comprising a treatment box (1), characterized in that: It also comprises a water tank (6); a plurality of spray heads (2) are arranged at the top of the inner cavity of the treatment tank (1); the input port of each spray head (2) is connected to a water pipe (5) via an independent connecting pipe (3); a solenoid valve (4) is arranged in each connecting pipe (3); and the water pipe (5) is connected to the inner cavity of the water tank (6) via a first water pump (7).

2. A leachate treatment device based on biochemical reaction according to claim 1, characterized in that: One or more infusion tubes (8) are arranged inside the processing box (1); and a plurality of through holes (9) are arranged on the surfaces of all the infusion tubes (8).

3. A leachate treatment device based on biochemical reaction according to claim 2, characterized in that: The plurality of infusion tubes (8) are all connected to the liquid supply tube (10); the liquid supply tube (10) is connected to the inner cavity of the medicine box (12) via a second water pump (11).

4. A leachate treatment device based on biochemical reaction according to claim 3, characterized in that: The reagent box (12) contains defoaming agent, antiscalant, flocculant, membrane cleaning agent, and bactericide; the second water pump (11) is located inside the reagent box (12).

5. The leachate treatment device based on biochemical reaction according to claim 3 is characterized in that: The liquid infusion pipe (8) is located below the shower head (2).

6. The biochemical reaction-based leachate treatment device according to claim 1, characterized in that: Two activated carbon rods (13) parallel to each other are rotatably connected inside the treatment box (1); the two activated carbon rods (13) are driven by a driving assembly to rotate synchronously.

7. The leachate treatment device based on biochemical reaction according to claim 6, characterized in that: The driving assembly comprises a transmission wheel (16), a belt (17) and a rotating motor (15); the ends of the two activated carbon rods (13) are both fixed with transmission wheels (16); the two transmission wheels (16) are connected by a belt (17); and the output shaft of the rotating motor (15) is fixed to the end of one of the activated carbon rods (13).

8. The biochemical reaction-based leachate treatment device according to claim 6, characterized in that: The end of the activated carbon rod (13) is connected to the side wall of the processing box (1) via a bearing (14).

9. The biochemical reaction-based leachate treatment device according to claim 6, characterized in that: The infusion tubes (8) in the treatment box (1) are divided into two groups; the axes of the infusion tubes (8) in the same group are arranged in sequence and at intervals in the same plane; and the activated carbon rod (13) is located between the two groups of infusion tubes (8).

10. The biochemical reaction-based leachate treatment device according to claim 6, characterized in that: The side wall of the activated carbon rod (13) is provided with a plurality of activated carbon protrusion structures.

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