Internal reflux device for biochemical treatment of landfill leachate

Abstract

The utility model discloses an internal reflux device for biochemical treatment of landfill leachate, which belongs to the technical field of reflux devices and is characterized in that a one-way liquid guide part and a one-way reflux part are respectively mounted on a partition plate, the one-way liquid guide part only discharges but does not enter, and the one-way reflux part only enters but does not discharge, so that the internal reflux device has a function of preventing liquid of the biochemical treatment device from flowing back; a filter plate is mounted on one side of a partition plate in a filtrate biochemical treatment box, a feeding part is mounted on one side of the bottom of the filtrate biochemical treatment box and is communicated with the filtrate biochemical treatment box, waste liquid is injected through the feeding part, and the filtrate biochemical treatment box is convenient to use. After the waste liquid is injected, the filter plate is used for pressing and precipitating the filtrate, the liquid filtered in the filtering process floats on the filter plate to realize the filtering function, and the filtered liquid is in contact with the material injected into the material injection piece to realize biochemical treatment, so that the filterable and shuntable high-precision filtering biochemical treatment function is realized.

Description

Technical Field

[0001] The utility model relates to an internal reflux device for biochemical treatment of garbage leachate, belonging to the technical field of reflux devices. Background Art

[0002] For example, the application number: CN111592198A discloses a biochemical treatment method for landfill leachate, which comprises the following steps: introducing the landfill leachate to be treated into a reaction container containing activated sludge, and stirring and mixing the two, heating the mixed sludge mixture, stopping the heating when it reaches a certain temperature, and keeping the heated sludge mixture warm, filtering the supernatant of the insulated sewage mixture through a microbial reactor, introducing the filtered supernatant into an aerobic container, adopting a stripping method, and in an alkaline environment, blowing air into the supernatant so that the ammonium ions in the supernatant are converted into ammonia gas for removal, adding an acidic regulator to the treated supernatant until the pH of the supernatant is 7, and then discharging the supernatant. The process is simple and the effect is good, it meets the standard emission standards, and reduces the treatment cost.

[0003] Based on the search and analysis, the existing technology still has deficiencies:

[0004] The existing technology cannot achieve biochemical treatment of the filtrate, and there is untreated liquid at the bottom of the treated filtrate. Therefore, a reflux device is needed to improve the accuracy of its biochemical treatment. During the biochemical treatment, it is impossible to suppress the precipitation, resulting in turbidity of the filtrate, and there are many impurities in the extraction process. Therefore, a reflux device for biochemical treatment of leachate is needed to improve the above-mentioned deficiencies. Utility Model Content

[0005] The main purpose of the utility model is to provide an internal reflux device for biochemical treatment of landfill leachate.

[0006] The purpose of the utility model can be achieved by adopting the following technical solutions:

[0007] A garbage leachate biochemical treatment internal reflux device comprises a filtrate biochemical treatment box for biochemical treatment, wherein a partition is installed in the middle of the filtrate biochemical treatment box;

[0008] The partition is respectively installed with a one-way liquid guide piece and a one-way return flow piece. The one-way liquid guide piece is a structure that only allows liquid to flow out but not in, while the one-way return flow piece is a structure that only allows liquid to flow in but not out.

[0009] A filtering and injecting group is installed on one side of the partition in the filtrate biochemical treatment box, a supporting and feeding group is installed at the bottom of the filtrate biochemical treatment box, and a sealing group is covered on the filtrate biochemical treatment box.

[0010] Preferably, the filtering and injecting group comprises a filter plate, filter holes and an injecting piece. The filter plate is placed on one side of a partition in a filtrate biochemical treatment box. The injecting piece is fixedly mounted on the filter plate, and the filter holes are formed on the filter plate.

[0011] Preferably, the supporting feeding group includes supporting legs and feeding pieces. The supporting legs are installed at the bottom of the filtrate biochemical treatment box. The feeding piece is installed at the bottom of the filtrate biochemical treatment box. The feeding piece is connected to the filtrate biochemical treatment box.

[0012] Preferably, the sealing group includes a sealing plate and a connecting hole. The filtrate biochemical treatment box is covered with a sealing plate. The sealing plate is provided with a connecting hole, and the connecting hole is fixedly connected to the injection piece.

[0013] Preferably, the supporting legs are of arc-shaped structure, and the feeding piece is communicated with one side of the filtrate biochemical treatment box.

[0014] Preferably, the filtrate biochemical treatment box is divided into two tanks, and the filtrate biochemical treatment box is separated by a partition to form a separation structure.

[0015] Preferably, the filter plate is fixedly connected by inserting the injection piece into the connecting hole.

[0016] Beneficial technical effects of the utility model:

[0017] The utility model provides a garbage leachate biochemical treatment internal reflux device, wherein the filtrate biochemical treatment box is the main body of the filtrate biochemical treatment device, a partition is installed in the middle of the filtrate biochemical treatment box, and a one-way liquid guide piece and a one-way reflux piece are respectively installed on the partition, the one-way liquid guide piece is only for outflow but not inflow, and the one-way reflux piece is a structure that only inflows and does not outflow, which prevents the liquid reflux of the biochemical treatment device, and has the function of hydraulic injection and derivation, realizes the function of unpowered self-reflux, and improves the processing accuracy;

[0018] A filter plate is installed on one side of the partition in the filtrate biochemical treatment box, and an injection piece is installed on the filter plate. The injection piece is fixedly installed in the connecting hole on the sealing plate and fixedly connected. A feeding piece is installed on one side of the bottom of the filtrate biochemical treatment box and is connected with the filtrate biochemical treatment box. Waste liquid is injected through the feeding piece. After the waste liquid is injected, the filtrate is pressed and precipitated through the filter plate. During the filtration process, the filtered liquid floats on the filter plate to realize the filtering function. After filtration, the liquid contacts the material injected into the injection piece to realize biochemical treatment, thereby realizing the functions of filterable and divertable high-precision filtration and biochemical treatment. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall three-dimensional structure of an internal reflux device for biochemical treatment of landfill leachate according to a preferred embodiment of the utility model;

[0020] Figure 2It is a schematic diagram of partitioning, diverting and reflux according to a preferred embodiment of an internal reflux device for biochemical treatment of landfill leachate of the utility model;

[0021] Figure 3 It is a schematic diagram of the precipitation injection structure of a preferred embodiment of an internal reflux device for biochemical treatment of landfill leachate according to the utility model;

[0022] Figure 4 It is an overall three-dimensional side view of a preferred embodiment of an internal reflux device for biochemical treatment of landfill leachate according to the utility model.

[0023] In the figure: 1. filtrate biochemical treatment box; 2. support leg; 3. injection piece; 4. filter plate; 5. filter hole; 6. injection piece; 7. sealing plate; 8. connecting hole; 9. partition; 10. one-way liquid guide piece; 11. one-way reflux piece. DETAILED DESCRIPTION

[0024] In order to make the technical solution of the present invention more clear and specific to those skilled in the art, the present invention is further described in detail below in conjunction with embodiments and drawings, but the implementation methods of the present invention are not limited thereto.

[0025] like Figure 1 - Figure 4 As shown, the present embodiment provides a garbage leachate biochemical treatment internal reflux device, comprising a filtrate biochemical treatment box 1 for biochemical treatment, wherein a partition 9 is installed in the middle of the filtrate biochemical treatment box 1;

[0026] The partition plate 9 is respectively provided with a one-way liquid guiding member 10 and a one-way liquid return member 11. The one-way liquid guiding member 10 is a structure that only allows liquid to flow out but not in, while the one-way liquid return member 11 is a structure that only allows liquid to flow in but not out.

[0027] A filtering and injecting group is installed on one side of the partition plate 9 in the filtrate biochemical treatment box 1 , a supporting and feeding group is installed at the bottom of the filtrate biochemical treatment box 1 , and the filtrate biochemical treatment box 1 is covered with a sealing group.

[0028] The filter injection group includes a filter plate 4, filter holes 5 and an injection piece 6. The filter plate 4 is placed on one side of the partition plate 9 in the filtrate biochemical treatment box 1. The injection piece 6 is fixedly installed on the filter plate 4, and the filter hole 5 is opened on the filter plate 4.

[0029] The supporting and feeding group includes supporting legs 2 and feeding pieces 3. The supporting legs 2 are installed at the bottom of the filtrate biochemical treatment box 1. The feeding piece 3 is installed at the bottom of the filtrate biochemical treatment box 1. The feeding piece 3 is connected to the filtrate biochemical treatment box 1.

[0030] The sealing group includes a sealing plate 7 and a connecting hole 8 . The filtrate biochemical treatment box 1 is covered with the sealing plate 7 . The sealing plate 7 is provided with a connecting hole 8 . The connecting hole 8 is fixedly connected to the injection piece 6 .

[0031] The supporting leg 2 is an arc-shaped structure, and the feeding piece 3 is connected to one side of the filtrate biochemical treatment box 1 .

[0032] The filtrate biochemical treatment box 1 is divided into two tanks, and the filtrate biochemical treatment box 1 is separated by a partition 9 to form a separation structure.

[0033] The filter plate 4 is fixedly connected by inserting the injection piece 6 into the connecting hole 8 .

[0034] like Figure 1 - Figure 4 As shown, the working process of a reflux device for biochemical treatment of landfill leachate provided in this embodiment is as follows: waste liquid is injected through the feeding piece 3, and after the waste liquid is injected, the filtrate is pressed and precipitated through the filter plate 4. During the filtration process, the filtered liquid floats on the filter plate 4 to achieve the filtering function. After filtration, the liquid contacts the material injected into the feeding piece 6 to achieve biochemical treatment. The treated liquid is injected into the other side of the filtrate biochemical treatment box 1 through the one-way liquid guide piece 10. As the filtrate rises, the pressure will increase. As the pressure increases, the one-way reflux piece 11 will be pushed open to guide the precipitated filtrate into the biochemical treatment box for the function of circulating biochemical treatment.

[0035] Embodiment 1

[0036] like Figure 1 - Figure 4 As shown, the filtrate biochemical treatment box 1 is the main body of the filtrate biochemical treatment device, and a partition 9 is installed in the middle of the filtrate biochemical treatment box 1. A one-way liquid guide 10 and a one-way return flow component 11 are respectively installed on the partition 9. The one-way liquid guide 10 is a structure that only allows liquid to flow out but not in, and the one-way return flow component 11 is a structure that only allows liquid to flow in but not out, which prevents the liquid from flowing back into the biochemical treatment device, and provides the function of hydraulic injection and dewatering, realizes the function of unpowered self-reflow, and improves the processing accuracy.

[0037] Embodiment 2

[0038] like Figure 1 - Figure 4 As shown, a filter plate 4 is installed on one side of the partition 9 in the filtrate biochemical treatment box 1, and an injection piece 6 is installed on the filter plate 4. The injection piece 6 is fixedly installed in the connecting hole 8 on the sealing plate 7 and is fixedly connected. A feeding piece 3 is installed on one side of the bottom of the filtrate biochemical treatment box 1 and is connected to the filtrate biochemical treatment box 1. Waste liquid is injected through the feeding piece 3. After the waste liquid is injected, the filtrate is pressed and precipitated through the filter plate 4. During the filtration process, the filtered liquid floats on the filter plate 4 to realize the filtering function. After filtration, the liquid contacts the material injected into the injection piece 6 to realize biochemical treatment, thereby realizing the functions of filterable and divertable high-precision filtration and biochemical treatment.

[0039] The above is only a further embodiment 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 scope disclosed by the present invention according to the technical solution and concept of the present invention, which fall within the protection scope of the present invention.

Claims

1. A garbage leachate biochemical treatment internal reflux device, comprising a filtrate biochemical treatment box (1) for biochemical treatment, wherein a partition (9) is installed in the middle of the filtrate biochemical treatment box (1); Features: The partition plate (9) is respectively provided with a one-way liquid guiding member (10) and a one-way liquid return member (11) penetrating therethrough. The one-way liquid guiding member (10) is a structure that allows liquid to flow out only but not in, while the one-way liquid return member (11) is a structure that allows liquid to flow in but not out. A filtering and injecting group is installed on one side of the partition plate (9) in the filtrate biochemical treatment box (1), a supporting and feeding group is installed at the bottom of the filtrate biochemical treatment box (1), and a sealing group is covered on the filtrate biochemical treatment box (1).

2. The internal reflux device for biochemical treatment of landfill leachate according to claim 1, characterized in that: The filter injection group comprises a filter plate (4), a filter hole (5) and an injection piece (6); the filter plate (4) is placed on one side of a partition plate (9) in a filtrate biochemical treatment box (1); the injection piece (6) is fixedly mounted on the filter plate (4); and the filter hole (5) is opened on the filter plate (4).

3. The internal reflux device for biochemical treatment of landfill leachate according to claim 2, characterized in that: The supporting and feeding group comprises supporting legs (2) and feeding pieces (3); the supporting legs (2) are installed at the bottom of the filtrate biochemical treatment box (1); the feeding piece (3) is installed at the bottom of the filtrate biochemical treatment box (1); and the feeding piece (3) and the filtrate biochemical treatment box (1) are in communication with each other.

4. The internal reflux device for biochemical treatment of landfill leachate according to claim 3, characterized in that: The sealing group comprises a sealing plate (7) and a connecting hole (8); the filtrate biochemical treatment box (1) is covered with the sealing plate (7); the sealing plate (7) is provided with a connecting hole (8); and the connecting hole (8) is fixedly connected to the injection piece (6).

5. The internal reflux device for biochemical treatment of landfill leachate according to claim 4, characterized in that: The supporting leg (2) is an arc-shaped structure, and the feeding piece (3) is connected to one side of the filtrate biochemical treatment box (1).

6. The internal reflux device for biochemical treatment of landfill leachate according to claim 5, characterized in that: The filtrate biochemical treatment box (1) is divided into two tanks, and the filtrate biochemical treatment box (1) is separated into a separation structure by a partition (9).

7. The internal reflux device for biochemical treatment of landfill leachate according to claim 6, characterized in that: The filter plate (4) is fixedly connected by placing the injection piece (6) into the connection hole (8).

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