Integrated device for leachate multistage filtration-catalytic oxidation

Abstract

The utility model provides a percolate multistage filtration - catalytic oxidation integrated device relates to catalytic oxidation integrated technical field, including organism, the import is fixedly installed on the organism, be provided with catalytic reactor on the organism, be fixedly installed with the connecting pipe on the catalytic reactor, be fixedly installed with the outlet pipe on the catalytic reactor, be provided with filter equipment on the organism. The utility model discloses a solid object with percolate is carried out prefiltering work through the inclined plate, in the filtering process, control drive motor runs, make the solid object move along the inclined plate downward along the activity of the rotating plate, thereby can prevent the blockage, the percolate on the surface of solid object activity process drops down through the inclined plate, carries out the rough filtration work through the first filter layer, carries out the fine filtration work again through the second filter layer, thereby convenient for subsequent catalytic oxidation work.

Description

Technical Field

[0001] This utility model relates to the field of integrated catalytic oxidation technology, specifically to an integrated device for multi-stage filtration and catalytic oxidation of leachate. Background Technology

[0002] Leachate is a complex, high-concentration organic wastewater generated in landfills, waste incineration plants, or composting facilities. Its water quality fluctuates greatly, it is highly toxic, and has poor biodegradability. If it is discharged directly without effective treatment, it will cause serious harm to the soil, groundwater, and ecological environment. Therefore, leachate needs to be treated by treatment equipment.

[0003] A search of Chinese patent CN218403834U reveals a multiphase ozone catalytic oxidation device for the deep treatment of landfill leachate. The device includes a filter box, a filter assembly, a squeezing assembly, a cleaning assembly, and a drive assembly. The filter box has a viewing window embedded in its front. The filter assembly, comprising a filter screen and multiple motors, is located at the bottom of the filter assembly and includes a stirring rod, multiple mounting rings, and multiple squeezing rods. This invention utilizes the coordinated arrangement of the filter screen, stirring rod, mounting rings, and squeezing rods. The filter screen performs the first filtration of the landfill leachate requiring oxidation, leaving impurities on it. Turning on the motors causes the stirring rods to rotate, which in turn rotates the mounting rings, causing the squeezing rods to squeeze the bottom of the filter screen when they reach the top.

[0004] Based on the above search and existing technology, it was found that the above patent has certain defects. Because the leachate contains a variety of toxic substances, ordinary filtration equipment is difficult to completely filter the leachate, resulting in low filtration efficiency and difficulty in replacing the filtration equipment. Utility Model Content

[0005] The purpose of this invention is to address the shortcomings of existing technologies by proposing an integrated device for multi-stage filtration and catalytic oxidation of leachate.

[0006] To solve the above-mentioned technical problems, the technical solution of this utility model is as follows:

[0007] This utility model provides an integrated device for multi-stage filtration and catalytic oxidation of leachate, including a body, an inlet fixedly installed on the body, a catalytic reactor disposed on the body, a connecting pipe fixedly installed on the catalytic reactor, an outlet pipe fixedly installed on the catalytic reactor, a filtration mechanism disposed on the body, the filtration mechanism including an inclined plate fixedly installed on the inner wall of the body, a rotating assembly disposed on the body, a first fixed plate and a second fixed plate fixedly installed on the inner wall of the body, a first-stage filtration layer movably installed on the first fixed plate, and a second-stage filtration layer movably installed on the second fixed plate;

[0008] The machine body is provided with two sets of fixing mechanisms. The fixing mechanism includes a support component provided on the machine body. The support component is provided with a snap-fit ​​component. Both the primary filter layer and the secondary filter layer are provided with two snap-fit ​​shells. The machine body is provided with two pairs of actuating components.

[0009] Furthermore, a side shell is fixedly installed on the body.

[0010] Furthermore, the primary filtration layer is a quartz sand filter layer for coarse filtration, and the secondary filtration layer is a ceramic membrane for fine filtration.

[0011] Furthermore, the support assembly includes two fixed shells symmetrically fixedly mounted on the body, each fixed shell having a first spring connected to its inner wall, and the end of the first spring having a telescopic block slidably connected to the fixed shell.

[0012] Furthermore, the snap-fit ​​assembly includes a movable shell fixedly mounted on the telescopic block, the inner wall of the movable shell is connected to a second spring, and the end of the second spring is connected to a snap-fit ​​block that snaps into the snap-fit ​​shell.

[0013] Furthermore, the actuating assembly includes a latch fixedly mounted on the body, and an actuating rod is rotatably mounted on the latch.

[0014] Furthermore, the rotating assembly includes a drive motor mounted on the machine body, and a shaft that is rotatably connected to the machine body is fixedly mounted on the output end of the drive motor, and multiple rotating plates are fixedly mounted on the shaft.

[0015] The above-described solution of this utility model has at least the following beneficial effects:

[0016] 1. In this utility model, a pre-filtration process is performed on solids containing leachate using an inclined plate. During the filtration process, the drive motor is controlled to operate, causing the rotating plate to move the solids and guide them downward along the inclined plate, thereby preventing clogging. During the movement of the solids, the leachate on their surface drips down through the inclined plate, undergoes coarse filtration through the first-stage filtration layer, and then undergoes fine filtration through the second-stage filtration layer, thus facilitating subsequent catalytic oxidation.

[0017] 2. In this utility model, by pulling the primary filter layer and the secondary filter layer, the primary filter layer and the secondary filter layer are separated from the locking housing and the locking block, which facilitates the disassembly of the primary filter layer and the secondary filter layer. The new primary filter layer and the new secondary filter layer are moved back into the inner side of the machine body. By rotating the trigger rod, the trigger rod drives the moving shell to move, so that the locking block and the locking housing are engaged, which facilitates the installation of the primary filter layer and the secondary filter layer, and thus facilitates the replacement work. Attached Figure Description

[0018] Figure 1 This is a three-dimensional structural diagram of the integrated multi-stage filtration-catalytic oxidation device for leachate according to the present invention.

[0019] Figure 2 This is a cross-sectional structural diagram of the integrated device for multi-stage filtration and catalytic oxidation of leachate according to the present invention;

[0020] Figure 3 This is a three-dimensional structural diagram of the first-stage filter layer of the integrated multi-stage filtration-catalytic oxidation device for leachate of this utility model.

[0021] Figure 4 This is a schematic diagram of the exploded structure of the fixed shell of the integrated leachate multi-stage filtration-catalytic oxidation device of this utility model;

[0022] Figure 5 This is a schematic diagram of the rotating plate structure of the integrated multi-stage filtration-catalytic oxidation device for leachate of this utility model.

[0023] Explanation of reference numerals in the attached figures:

[0024] 1. Body; 2. Inlet; 3. Catalytic reactor; 4. Connecting pipe; 5. Outlet pipe; 6. Side shell; 7. Inclined plate; 8. First fixed plate; 9. Primary filter layer; 10. Second fixed plate; 11. Secondary filter layer; 12. Fixed shell; 13. First spring; 14. Telescopic block; 15. Moving shell; 16. Second spring; 17. Locking block; 18. Locking case; 19. Buckle block; 20. Actuating rod; 21. Drive motor; 22. Shaft; 23. Rotating plate. Detailed Implementation

[0025] Exemplary embodiments of the present invention will now be described in more detail with reference to the accompanying drawings. While exemplary embodiments of the present invention are shown in the drawings, it should be understood that the present invention may be implemented in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this invention will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.

[0026] like Figures 1 to 5 As shown, an embodiment of this utility model provides a multi-stage filtration-catalytic oxidation integrated device for leachate, including a body 1, an inlet 2 fixedly installed on the body 1, a catalytic reactor 3 installed on the body 1, a connecting pipe 4 fixedly installed on the catalytic reactor 3, an outlet pipe 5 fixedly installed on the catalytic reactor 3, a filtration mechanism installed on the body 1, the filtration mechanism including an inclined plate 7 fixedly installed on the inner wall of the body 1, a rotating assembly installed on the body 1, a first fixed plate 8 and a second fixed plate 10 fixedly installed on the inner wall of the body 1, a primary filter layer 9 movably installed on the first fixed plate 8, a secondary filter layer 11 movably installed on the second fixed plate 10, a side shell 6 fixedly installed on the body 1, the primary filter layer 9 being a quartz sand filter layer for coarse filtration, the secondary filter layer 11 being a ceramic membrane for fine filtration, and the rotating assembly including a drive motor 21 installed on the body 1, a shaft 22 rotatably connected to the body 1 fixedly installed on the output end of the drive motor 21, and multiple rotating plates 23 fixedly installed on the shaft 22.

[0027] In this embodiment of the utility model, the inlet 2 is connected to an external conveying device. The operator controls the external conveying device to transport the solid material with leachate to the inside of the machine body 1. The solid material with leachate is pre-filtered by the inclined plate 7. During the filtration process, the drive motor 21 is controlled to run, so that the rotating plate 23 moves the solid material and guides the solid material to move downward along the inclined plate 7, thereby preventing blockage. During the movement of the solid material, the leachate on the surface drips down through the inclined plate 7. The solid material moves into the external loading device through the side opening. The pre-filtered leachate is coarsely filtered through the first-stage filter layer 9 and then finely filtered through the second-stage filter layer 11, which facilitates the subsequent catalytic oxidation process.

[0028] Connecting pipe 4 is connected to an external oxidant conveying device, and outlet pipe 5 is connected to an external treatment device. The finely filtered leachate flows into the catalytic reactor 3. The operator controls the external oxidant conveying device to deliver the oxidant to the inside of the catalytic reactor 3, thereby catalytically oxidizing the leachate. After the catalytic oxidation is completed, the leachate flows into the external treatment device through outlet pipe 5 for subsequent processing.

[0029] Figures 1 to 5As shown, the body 1 is provided with two sets of fixing mechanisms. The fixing mechanism includes a support assembly provided on the body 1, a snap-fit ​​assembly provided on the support assembly, two snap-fit ​​shells 18 provided on both the primary filter layer 9 and the secondary filter layer 11, and two pairs of actuating assemblies provided on the body 1. The support assembly includes two fixed shells 12 symmetrically fixedly installed on the body 1. The inner wall of each fixed shell 12 is connected to a first spring 13. The end of the first spring 13 is connected to a telescopic block 14 that is slidably connected to the fixed shell 12. The snap-fit ​​assembly includes a movable shell 15 fixedly installed on the telescopic block 14. The inner wall of the movable shell 15 is connected to a second spring 16. The end of the second spring 16 is connected to a snap-fit ​​block 17 that snaps into the snap-fit ​​shell 18. The actuating assembly includes a buckle 19 fixedly installed on the body 1. An actuating rod 20 is rotatably installed on the buckle 19.

[0030] In this embodiment of the invention, by pulling the primary filter layer 9 and the secondary filter layer 11, the operator moves the retaining housing 18, causing the retaining housing 18 to press the retaining block 17 into the inner side of the movable housing 15, thus separating the retaining housing 18 from the retaining block 17. The first spring 13 can use its own elastic force to drive the movable housing 15 to reset via the telescopic block 14, and the second spring 16 can use its own elastic force to move the retaining block 17 out of the inner side of the movable housing 15, thereby facilitating the operation of the primary filter layer 9 and the secondary filter layer 11. Disassembly is performed, and the new primary filter layer 9 and the new secondary filter layer 11 are moved back into the inner side of the body 1. By rotating the actuating rod 20, the actuating rod 20 rotates around the buckle 19, causing the actuating rod 20 to drive the moving shell 15 to move under the support of the first spring 13, so that the locking block 17 engages with the locking shell 18. The first spring 13 and the second spring 16 respectively use their own elastic force to support the primary filter layer 9 and the secondary filter layer 11, thereby facilitating the installation of the primary filter layer 9 and the secondary filter layer 11, and thus facilitating the replacement work.

[0031] Working principle: The operator controls the external conveying equipment to transport the solid material containing leachate to the inside of the machine body 1. The inclined plate 7 performs pre-filtration of the solid material containing leachate. During the filtration process, the drive motor 21 is operated to make the rotating plate 23 move the solid material and guide it to move downward along the inclined plate 7. During the movement of the solid material, the leachate on the surface drips down through the inclined plate 7 and passes through the first-stage filter layer 9 for coarse filtration, and then through the second-stage filter layer 11 for fine filtration. The leachate after fine filtration flows into the catalytic reactor 3. The operator controls the external conveying oxidant equipment to deliver the oxidant to the inside of the catalytic reactor 3 to catalytically oxidize the leachate. After the catalytic oxidation is completed, the leachate flows into the external treatment equipment through the outlet pipe 5 for subsequent processing.

[0032] The above description is the preferred embodiment of this utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of this utility model, and these improvements and modifications should also be considered within the protection scope of this utility model.

Claims

1. A multi-stage filtration-catalytic oxidation integrated device for leachate, comprising a body (1), an inlet (2) fixedly installed on the body (1), a catalytic reactor (3) provided on the body (1), a connecting pipe (4) fixedly installed on the catalytic reactor (3), and an outlet pipe (5) fixedly installed on the catalytic reactor (3), characterized in that: The machine body (1) is provided with a filtration mechanism, which includes an inclined plate (7) fixedly installed on the inner wall of the machine body (1). The machine body (1) is provided with a rotating assembly. The inner wall of the machine body (1) is fixedly installed with a first fixing plate (8) and a second fixing plate (10). A primary filter layer (9) is movably installed on the first fixing plate (8), and a secondary filter layer (11) is movably installed on the second fixing plate (10). The body (1) is provided with two sets of fixing mechanisms. The fixing mechanism includes a support component provided on the body (1). The support component is provided with a snap-fit ​​component. The primary filter layer (9) and the secondary filter layer (11) are each provided with two snap-fit ​​shells (18). The body (1) is provided with two pairs of actuating components.

2. The integrated device for multi-stage filtration and catalytic oxidation of leachate according to claim 1, characterized in that: A side shell (6) is fixedly installed on the body (1).

3. The integrated device for multi-stage filtration and catalytic oxidation of leachate according to claim 2, characterized in that: The primary filter layer (9) is a quartz sand filter layer for coarse filtration, and the secondary filter layer (11) is a ceramic membrane for fine filtration.

4. The integrated device for multi-stage filtration and catalytic oxidation of leachate according to claim 3, characterized in that: The support assembly includes two fixed shells (12) symmetrically fixedly installed on the body (1). Each fixed shell (12) has a first spring (13) connected to its inner wall. The end of the first spring (13) is connected to a telescopic block (14) that is slidably connected to the fixed shell (12).

5. The integrated device for multi-stage filtration and catalytic oxidation of leachate according to claim 4, characterized in that: The snap-fit ​​assembly includes a movable shell (15) fixedly mounted on the telescopic block (14), the inner wall of the movable shell (15) is connected to a second spring (16), and the end of the second spring (16) is connected to a snap-fit ​​block (17) that snaps into the snap-fit ​​shell (18).

6. The integrated device for multi-stage filtration and catalytic oxidation of leachate according to claim 5, characterized in that: The actuation assembly includes a latch (19) fixedly mounted on the body (1), and an actuating rod (20) is rotatably mounted on the latch (19).

7. The integrated leachate multi-stage filtration-catalytic oxidation device according to any one of claims 1-6, characterized in that: The rotating assembly includes a drive motor (21) mounted on the body (1), and a shaft (22) rotatably connected to the body (1) is fixedly mounted on the output end of the drive motor (21), and a plurality of rotating plates (23) are fixedly mounted on the shaft (22).

Images