Percolate environmental protection equipment

Abstract

The utility model relates to the technical field of percolate treatment, in particular to percolate environmental protection equipment which comprises a center cylinder, a frame is arranged in the center cylinder, the outer wall surface of the frame is tightly attached to the inner wall surface of the center cylinder in a sliding mode, and a filter membrane made of polytetrafluoroethylene materials is arranged in the frame. The edge of the filter membrane and the inner wall face of the frame are bonded and fixed through resin glue, a cylinder is inserted into the upper end of the center cylinder, and the outer wall face of the cylinder is tightly attached to the inner wall face of the center cylinder in a sliding mode. Through cooperation of the center cylinder and the cylinder, a basic framework for percolate filtration can be formed, the activated carbon particle layer filled between the outer sleeve net and the inner sleeve net can adsorb impurities in the percolate through the activated carbon adsorption effect, preliminary filtration is achieved, and then through precise filtration of the filter membrane, the percolate can be purified. Impurities in the leachate can be further removed, the cleanliness of the filtered liquid is improved, and meanwhile, physical treatment is more environmentally friendly.

Description

Technical Field

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

[0002] Leachate refers to the liquid containing a variety of organic matter, inorganic salts, heavy metals and other pollutants produced by the decomposition of materials such as garbage or sludge, and the infiltration of rainwater in places such as landfills and sewage treatment plants.

[0003] This liquid usually has high chemical oxygen demand (COD), biochemical oxygen demand (BOD) and ammonia nitrogen content, causing serious pollution to the environment.

[0004] Therefore, leachate treatment is a very important part of environmental protection. Common leachate treatment methods include physical and chemical treatment, biological treatment and membrane technology treatment.

[0005] The following are some commonly used environmentally friendly leachate treatment methods:

[0006] Coagulation and sedimentation: by adding flocculants, the suspended solids and some dissolved organic matter in the leachate are precipitated and separated;

[0007] Air flotation: Use tiny bubbles to attach to suspended particles, causing them to float to the surface and be removed;

[0008] Filtration: Further remove organic matter and suspended solids through sand filtration, activated carbon adsorption, etc. Membrane separation: Use microfiltration, ultrafiltration, nanofiltration or reverse osmosis membranes to concentrate and remove pollutants in the leachate.

[0009] At present, the filtration structure of the leachate inside the conventional leachate equipment is relatively simple, resulting in the impurities in the leachate not being clean enough after passing through the filtration equipment. At the same time, in order to avoid consumption and pollution caused during the leachate filtration process, it is necessary to design a device that can treat the leachate by physical means to meet environmental protection needs. Utility Model Content

[0010] The utility model aims to solve the above-mentioned shortcomings in the prior art and proposes a leachate environmental protection device.

[0011] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0012] A leachate environmental protection device is designed, including a central tube, a frame is arranged inside the central tube, and the outer wall surface of the frame is slidably and tightly fitted with the inner wall surface of the central tube, a filter membrane made of polytetrafluoroethylene material is arranged inside the frame, and the edge of the filter membrane is fixed to the inner wall surface of the frame by resin glue, a cylinder is inserted into the upper end of the central tube, and the outer wall surface of the cylinder is slidably and tightly fitted with the inner wall surface of the central tube, and the lower end surface of the cylinder is tightly fitted with the upper end surface of the frame, the upper end of the cylinder is covered with an end cap fixed by screws, a feeding interface is penetrated at the center position of the end cap, and the connection between the feeding interface and the end cap is fixed by welding, an outer sleeve net, an activated carbon particle layer and an inner sleeve net are arranged inside the cylinder, the outer sleeve net and the inner sleeve net are both wrapped around the outer wall surface of the feeding interface and the connection position is fixed by screws, and an activated carbon particle layer is filled between the outer sleeve net and the inner sleeve net.

[0013] In detail, the inner wall surface of the central tube is provided with an internal thread, and the outer wall surface of the cylinder is provided with an external thread, and the external thread and the internal thread are threadably connected with each other.

[0014] In detail, the lower end of the central tube is slidably sleeved with a base, the connection between the base and the central tube is fixed by screws, and the upper end surface of the base is provided with a funnel groove.

[0015] In detail, a drainage channel is provided inside the base, the drainage channel is connected to the funnel groove, a drainage interface is inserted through the interior of the drainage channel, the drainage interface and the port position of the drainage channel are fixed and assembled by screws, and the outer wall surface of the drainage interface and the inner wall surface of the drainage channel are fixed by resin glue.

[0016] In detail, a collar is welded and fixed to the lower end of the frame, the number of the collars is at least two and they are evenly distributed at the bottom of the frame, and one side of the collar is slidably and tightly arranged against the inner wall surface of the center tube.

[0017] In detail, a positioning pin is slidably penetrated inside the collar, a spring is arranged on the surface of the positioning pin, and two ends of the spring are respectively fixedly assembled with the surface of the positioning pin and the end face of the collar.

[0018] In detail, a positioning groove is provided on the inner wall surface of the central tube, and the end of the positioning pin is slidably inserted into and docked with the inside of the positioning groove.

[0019] The design scheme proposed by the utility model has the following beneficial effects during application:

[0020] 1. Through the cooperation of the central tube and the cylinder, a basic framework for leachate filtration can be formed. The activated carbon particle layer filled between the outer mesh and the inner mesh can adsorb the impurities in the leachate through the activated carbon adsorption effect to achieve preliminary filtration. Then, through the precise filtration of the filter membrane, the impurities in the leachate can be further removed, thereby improving the cleanliness of the filtered liquid. At the same time, physical treatment is more environmentally friendly.

[0021] 2. Through the cooperation of the internal thread and the external thread, the threaded installation of the center tube and the cylinder can be realized, so that the structure of the activated carbon treatment part can be regularly inspected and replaced. Through the insertion and cooperation of the positioning pin and the positioning groove and the expansion and contraction reset of the spring, the frame with the filter membrane and the center tube can be quickly disassembled and assembled. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0023] Figure 2 It is an enlarged schematic diagram of point a of the utility model;

[0024] Figure 3 It is a schematic diagram of the internal structure of the utility model;

[0025] Figure 4 It is an enlarged schematic diagram of point b of the utility model;

[0026] Figure 5 It is a top view distribution diagram of the outer jacket net, activated carbon particle layer and inner jacket net of the utility model.

[0027] In the figure: 10, central tube; 11, frame; 12, filter membrane; 13, cylinder; 14, end cover; 15, feeding interface; 16, outer mesh; 17, activated carbon particle layer; 18, inner mesh; 20, external thread; 21, internal thread; 30, base; 31, funnel groove; 32, drainage channel; 33, drainage interface; 40, collar; 41, positioning pin; 42, spring; 43, positioning groove. DETAILED DESCRIPTION

[0028] 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.

[0029] Reference Figure 1-Figure 5A leachate environmental protection device includes a central tube 10, a frame 11 is arranged inside the central tube 10, and the outer wall surface of the frame 11 is slidably attached to the inner wall surface of the central tube 10, a filter membrane 12 made of polytetrafluoroethylene material is arranged inside the frame 11, and the edge of the filter membrane 12 is fixed to the inner wall surface of the frame 11 by resin glue, a cylinder 13 is inserted into the upper end of the central tube 10, and the outer wall surface of the cylinder 13 is slidably attached to the inner wall surface of the central tube 10, and the lower end surface of the cylinder 13 is slidably attached to the inner wall surface of the frame 11. The upper end surface is tightly arranged, and the upper end of the cylinder 13 is covered with an end cover 14 fixed by screws. A feeding interface 15 is provided through the center of the end cover 14, and the connection between the feeding interface 15 and the end cover 14 is fixed by welding. The inside of the cylinder 13 is provided with an outer mesh 16, an activated carbon particle layer 17 and an inner mesh 18. The outer mesh 16 and the inner mesh 18 are both wrapped around the outer wall surface of the feeding interface 15 and the connection position is fixed by screws. The outer mesh 16 and the inner mesh 18 are filled with an activated carbon particle layer 17.

[0030] It should be further explained that the inner wall surface of the center tube 10 is provided with an internal thread 21, and the outer wall surface of the cylinder 13 is provided with an external thread 20. The external thread 20 and the internal thread 21 are threadedly connected to each other. The threaded connection can facilitate the assembly and disassembly of the center tube 10 and the cylinder 13.

[0031] It should be further explained that a base 30 is slidably sleeved on the lower end of the central tube 10 , the base 30 and the central tube 10 are fixed at their joints by screws, and a funnel groove 31 is provided on the upper end surface of the base 30 .

[0032] It should be further explained that a drainage channel 32 is provided inside the base 30, and the drainage channel 32 is connected to the funnel groove 31. A drainage interface 33 is inserted into the interior of the drainage channel 32. The drainage interface 33 and the port position of the drainage channel 32 are fixed and assembled by screws, and the outer wall surface of the drainage interface 33 and the inner wall surface of the drainage channel 32 are fixed by resin glue, so that the filtered leachate can be discharged through the drainage interface 33, and the discharge interface 33 is a flange structure.

[0033] It should be further explained that a ring 40 is welded and fixed to the lower end of the frame 11. There are at least two rings 40 and they are evenly distributed at the bottom of the frame 11. One side of the ring 40 is slidably and tightly set against the inner wall surface of the center tube 10. The frame 11 and the center tube 10 are detachable, thereby facilitating the cleaning of the filter membrane 12.

[0034] It should be further explained that a positioning pin 41 is slidably penetrated inside the ring 40, and a spring 42 is provided on the surface of the positioning pin 41. The two ends of the spring 42 are respectively fixedly assembled with the surface of the positioning pin 41 and the end face of the ring 40. The spring 42 can ensure the stability of the extension and resetting of the positioning pin 41.

[0035] It should be further explained that a positioning groove 43 is opened on the inner wall surface of the central tube 10 , and the end of the positioning pin 41 is slidably inserted into the interior of the positioning groove 43 to facilitate the assembly and disassembly of the frame 11 and the central tube 10 .

[0036] Working method: When it is necessary to filter the leachate, after the large particle impurities in the leachate are removed, it is fed into the cylinder 13 through the feeding interface 15. The activated carbon particle layer 17 cooperates with the outer mesh 16 and the inner mesh 18 to achieve adsorption filtration of the leachate. Then, the leachate flows downward and can be further filtered through the filter membrane 12, which can improve the cleanliness of the leachate after filtration.

[0037] When it is necessary to check or replace the activated carbon particle layer 17, the cylinder 13 and the center tube 10 can be separated by rotating the cylinder 13 and the center tube 10 and coordinating the threaded movement of the internal thread 21 and the external thread 20. When it is necessary to clean the filter membrane 12, the positioning pin 41 is pulled, and the positioning pin 41 and the positioning groove 43 are slid and disengaged through the stretching effect of the spring 42, thereby achieving the separation of the frame 11 and the center tube 10.

[0038] 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 leachate environmental protection device, comprising a central tube (10), characterized in that: The center tube (10) is provided with a frame (11) inside, and the outer wall surface of the frame (11) is in close sliding contact with the inner wall surface of the center tube (10); a filter membrane (12) made of polytetrafluoroethylene material is provided inside the frame (11), and the edge of the filter membrane (12) is fixed to the inner wall surface of the frame (11) by resin adhesive; a cylinder (13) is inserted into the upper end of the center tube (10), and the outer wall surface of the cylinder (13) is in close sliding contact with the inner wall surface of the center tube (10), and the lower end surface of the cylinder (13) is in close contact with the upper end surface of the frame (11); the cylinder (13) ) is covered on the upper end by an end cover (14) fixed by screws, a feeding interface (15) is provided through the center of the end cover (14), and the connection between the feeding interface (15) and the end cover (14) is fixed by welding, and an outer mesh (16), an activated carbon particle layer (17) and an inner mesh (18) are provided inside the cylinder (13), and the outer mesh (16) and the inner mesh (18) are both wrapped around the outer wall surface of the feeding interface (15) and the connection position is fixed by screws, and the activated carbon particle layer (17) is filled between the outer mesh (16) and the inner mesh (18).

2. A leachate environmental protection device according to claim 1, characterized in that: The inner wall surface of the central tube (10) is provided with an internal thread (21), and the outer wall surface of the cylinder (13) is provided with an external thread (20), and the external thread (20) and the internal thread (21) are threadably connected to each other.

3. The leachate environmental protection equipment according to claim 1, characterized in that: The lower end of the central tube (10) is slidably sleeved with a base (30), the connection between the base (30) and the central tube (10) is fixed by screws, and the upper end surface of the base (30) is provided with a funnel groove (31).

4. The leachate environmental protection equipment according to claim 3, characterized in that: The base (30) is provided with a drainage channel (32) in the interior thereof, the drainage channel (32) being connected to the funnel groove (31), a drainage interface (33) being inserted through the interior of the drainage channel (32), the drainage interface (33) and the port position of the drainage channel (32) being fixed and assembled by screws, and the outer wall surface of the drainage interface (33) and the inner wall surface of the drainage channel (32) being bonded and fixed by resin glue.

5. The leachate environmental protection equipment according to claim 1, characterized in that: A collar (40) is welded and fixed to the lower end of the frame (11). The collars (40) are at least two and are evenly distributed at the bottom of the frame (11). One side of the collar (40) is slidably and tightly arranged against the inner wall surface of the central tube (10).

6. The leachate environmental protection equipment according to claim 5, characterized in that: A positioning pin (41) is slidably penetrated inside the collar (40), a spring (42) is arranged on the surface of the positioning pin (41), and two ends of the spring (42) are respectively fixedly assembled with the surface of the positioning pin (41) and the end face of the collar (40).

7. The leachate environmental protection equipment according to claim 6, characterized in that: A positioning groove (43) is provided on the inner wall surface of the central tube (10), and the end of the positioning pin (41) is slidably inserted into and docked with the inside of the positioning groove (43).

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