Collecting and conveying device for landfill leachate

Abstract

The utility model relates to the technical field of landfill leachate treatment, in particular to a collecting and conveying device for landfill leachate, which not only can fully filter the landfill leachate and improve the filtering effect of the landfill leachate, but also is convenient to incinerate fixed impurities, reduces the labor intensity and improves the working efficiency by arranging the collecting and conveying device for the landfill leachate. The working efficiency is improved; comprising a conveying vehicle plate, a push handle, a filter box, a box cover, four sets of supporting legs, a filter frame, a cover plate, a collecting box, a suction pump, a liquid guide pipe, an extrusion device and a conveying combustion device, four sets of universal wheels are arranged at the bottom end of the conveying vehicle plate, and the push handle is installed on the right side of the top end of the conveying vehicle plate; the first electric push rod is installed in the middle of the top end of the box cover, the output end of the first electric push rod penetrates through the box cover and extends to the lower side of the box cover to be connected with the extrusion filter plate through a connecting device, the extrusion filter plate is located in the filter frame, and filter holes of the extrusion filter plate are larger than filter holes of the filter frame.

Description

Technical Field

[0001] This utility model relates to the technical field of landfill leachate treatment, and in particular to a collection and conveying device for landfill leachate. Background Technology

[0002] Landfill leachate refers to wastewater containing various dissolved and suspended organic and inorganic substances generated in landfills or waste disposal sites. This wastewater typically has high concentrations of pollutants such as organic matter, ammonia nitrogen, and heavy metals, posing a serious threat to the environment and human health.

[0003] However, existing traditional landfill leachate collection and transportation devices can usually only filter larger solid impurities during the leachate treatment process. The filtration effect is poor, and workers need to remove the filtered solid impurities and move them to the incinerator for incineration. The operation is cumbersome and the work efficiency is low. Utility Model Content

[0004] To solve the above-mentioned technical problems, this utility model provides a collection and transportation device for landfill leachate that, by setting up this equipment, can not only fully filter landfill leachate and improve the filtration effect of landfill leachate, but also facilitate the incineration of fixed impurities, reduce labor intensity, and improve its working efficiency.

[0005] This utility model discloses a collection and conveying device for landfill leachate, comprising a conveyor platform, a push handle, a filter box, a box cover, four sets of support legs, a filter frame, a cover plate, a collection box, a suction pump, a liquid guide pipe, a squeezing device, and a conveying and combustion device. Four sets of casters are installed at the bottom of the conveyor platform. The push handle is installed on the right side of the top of the conveyor platform. The box cover is a sealing cap mounted on the filter box. Locks are installed at both the front and rear ends of the box cover, and the locks engage with the filter box. A liquid guide hopper is connected to the bottom of the filter box. Four sets of support legs are installed at the bottom of the liquid guide hopper and on the right side of the top of the conveyor platform. The collection box is installed on the right side of the top of the conveyor platform. The output end of the liquid guide hopper extends through the top of the collection box into the interior of the collection box. The conveying and combustion device is installed on the left side of the top of the conveyor platform. Inside the collection box, the output end of the liquid guide hopper is connected to the conveying combustion device. The filter frame is installed at the top of the filter box. An inlet pipe is connected to the box cover. The cover plate is installed on the inlet pipe, which is connected to the filter frame. The squeezing device is installed in the middle of the box cover and is located inside the filter frame. The suction pump is installed on the right side of the top of the conveying vehicle plate. The input end of the suction pump is connected to the output end of the liquid guide pipe. The input end of the liquid guide pipe passes through the right end of the collection box and extends into the collection box. The squeezing device includes a first electric push rod, a squeezing filter plate, and a connecting device. The first electric push rod is installed in the middle of the top of the box cover. The output end of the first electric push rod passes through the box cover and extends to its lower side, where it is connected to the squeezing filter plate through the connecting device. The squeezing filter plate is located inside the filter frame, and the filter holes of the squeezing filter plate are larger than those of the filter frame.

[0006] Preferably, the conveying and combustion device includes a conveying box, a motor, a spiral conveying roller, four sets of support rods, an incineration box, and a door opening and closing assembly. The conveying box is installed at the top of the collection box via four sets of support rods. The output end of the liquid guide hopper is connected to the right side of the top of the conveying box. The motor is installed at the right end of the conveying box. The spiral conveying roller is rotatably installed inside the conveying box. The output end of the motor passes through the right end of the conveying box and connects to the right end of the spiral conveying roller. A discharge port is provided at the lower left side of the conveying box. The door opening and closing assembly is installed at the discharge port of the conveying box. The incineration box is installed on the left side of the top of the conveying vehicle. The left side of the conveying box extends into the incineration box through the left end of the collection box and the right end of the incineration box. Multiple sets of filter holes are provided at the bottom of the conveying box. The multiple sets of filter holes at the bottom of the conveying box are smaller than the filter holes of the filter frame.

[0007] Preferably, the door opening and closing assembly includes a baffle, a fixed plate, a first fixed seat, a second electric push rod, and a connecting seat. The baffle is rotatably installed at the discharge port on the left end of the conveyor box, the fixed plate is installed on the left end of the conveyor box, the first fixed seat is installed at the bottom end of the fixed plate, the second electric push rod is rotatably installed on the first fixed seat, and the connecting seat is installed on the lower side of the left end of the baffle. The output end of the second electric push rod is rotatably connected to the connecting seat.

[0008] Preferably, the connecting device includes four sets of mounting plates, a mounting base, a mounting rod, bolts, and nuts. The four sets of mounting plates are respectively installed on the upper side of the left, rear, right, and front ends of the filter frame. Placement slots are provided on the left, front, rear, and right sides of the top of the filter box. The four sets of mounting plates are respectively engaged with the four placement slots of the filter box. The mounting base is installed at the output end of the first electric push rod, and the mounting rod is installed at the middle of the top of the extruded filter plate. A slot is provided at the bottom of the mounting base, and the mounting rod is engaged with the slot of the mounting base. Both the mounting rod and the mounting base are connected by through holes. The bolt passes through the through holes of the mounting base and the mounting rod and is threadedly connected to the nut.

[0009] Preferably, it also includes two sets of second fixing seats, two sets of L-shaped clamping plates, two sets of pin plates, and two sets of handles. The two sets of second fixing seats are respectively installed on the upper side of the left and right ends of the liquid inlet pipe. The two sets of L-shaped clamping plates are respectively rotatably installed on the two sets of second fixing seats. The left and right ends of the cover plate are provided with slots. The two sets of L-shaped clamping plates are respectively engaged with the two sets of slots of the cover plate. The front side of the two sets of slots of the cover plate is provided with slots. The rear side of the two sets of slots is connected with through holes. The two sets of pin plates pass through the two sets of through holes of the cover plate and are engaged with the two sets of slots. The two sets of handles are respectively installed on the rear side of the outer end of the two sets of pin plates.

[0010] Preferably, it also includes a guide trough plate, which is installed on the lower side of the discharge port at the left end of the conveyor box.

[0011] Preferably, the second electric actuator is made of a high-temperature resistant material.

[0012] Preferably, both the cover plate and the bottom of the box lid are provided with sealing rings.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows: The cover is opened, and the leachate is introduced into the middle of the filter frame inside the filter box through the inlet pipe. Then, the cover is placed on the inlet pipe. The leachate is initially filtered by the squeeze filter plate and then introduced into the lower part of the filter frame. The filter frame then filters the leachate again. Afterwards, by opening the first electric push rod, the first electric push rod drives the squeeze filter plate downwards, which squeezes the filtered solid impurities inside the filter frame, thereby squeezing out the leachate from the solid impurities. The leachate is then introduced into the collection box through the guide hopper to the conveying and combustion device. The conveying and combustion device then filters the leachate again. The filtered leachate is then introduced into the collection box. After all the leachate has been filtered, the conveying and combustion device is opened, which conveys and burns the fixed impurities. By setting up this device, not only can the leachate be fully filtered, improving the filtration effect, but it also facilitates the incineration of fixed impurities, reducing labor intensity and improving work efficiency. Attached Figure Description

[0014] Figure 1 This is a first-view structural schematic diagram of the present invention;

[0015] Figure 2 This is a second-view structural schematic diagram of the present invention;

[0016] Figure 3 yes Figure 1 A magnified structural diagram of A in the middle;

[0017] Figure 4 yes Figure 2 A magnified structural diagram of B in the diagram;

[0018] Figure 5 yes Figure 2 A magnified structural diagram of C;

[0019] The attached diagram shows the following components: 1. Conveyor plate; 2. Casters; 3. Push handle; 4. Filter box; 5. Box cover; 6. Liquid guide hopper; 7. Support leg; 8. Filter frame; 9. Mounting plate; 10. Liquid inlet pipe; 11. Cover plate; 12. First electric push rod; 13. Extrusion filter plate; 14. Collection box; 15. Suction pump; 16. Liquid guide pipe; 17. Conveyor box; 18. Motor; 19. Screw conveyor roller; 20. Support rod; 21. Incineration box; 22. Baffle; 23. Fixing plate; 24. First fixed seat; 25. Second electric push rod; 26. Connecting seat; 27. Locking seat; 28. Locking rod; 29. ​​Bolt; 30. Nut; 31. Second fixed seat; 32. L-shaped locking plate; 33. Pin plate; 34. Handle; 35. Guide trough plate. Detailed Implementation

[0020] The specific embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate this utility model, but are not intended to limit its scope.

[0021] like Figures 1 to 5 As shown, this utility model discloses a collection and conveying device for landfill leachate, comprising a conveyor plate 1, a push handle 3, a filter box 4, a box cover 5, four sets of support legs 7, a filter frame 8, a cover plate 11, a collection box 14, a suction pump 15, a liquid guide pipe 16, a squeezing device, and a conveying and combustion device. The bottom of the conveyor plate 1 is equipped with four sets of casters 2. The push handle 3 is installed on the right side of the top of the conveyor plate 1. The box cover 5 is sealed onto the filter box 4. Locks are provided at both the front and rear ends of the box cover 5, and the locks engage with the filter box 4. A liquid guide hopper 6 is connected to the bottom of the filter box 4. Four sets of support legs 7 are installed at the bottom of the liquid guide hopper 6 and on the right side of the top of the conveyor plate 1. The collection box 14 is installed on the right side of the top of the conveyor plate 1. The output end of the liquid guide hopper 6 extends through the top of the collection box 14 and into its interior. The conveying and combustion device is installed on the left side of the top of the conveyor plate 1 and the collection box. Inside the 14, the output end of the liquid guide hopper 6 is connected to the conveying combustion device. The filter frame 8 is installed at the top of the filter box 4. The box cover 5 is connected to the liquid inlet pipe 10. The cover plate 11 is installed on the liquid inlet pipe 10. The liquid inlet pipe 10 is connected to the filter frame 8. The squeezing device is installed in the middle of the box cover 5. The squeezing device is located inside the filter frame 8. The suction pump 15 is installed on the right side of the top of the conveying vehicle plate 1. The input end of the suction pump 15 is connected to the output end of the liquid guide pipe 16. The input end of the liquid guide pipe 16 passes through the right end of the collection box 14 and extends into the collection box 14. The squeezing device includes a first electric push rod 12, a squeezing filter plate 13 and a connecting device. The first electric push rod 12 is installed in the middle of the top of the box cover 5. The output end of the first electric push rod 12 passes through the box cover 5 and extends to its lower side. It is connected to the squeezing filter plate 13 through the connecting device. The squeezing filter plate 13 is located inside the filter frame 8. The filter holes of the squeezing filter plate 13 are larger than the filter holes of the filter frame 8.

[0022] Open the cover plate 11 and introduce the landfill leachate through the inlet pipe 10 into the middle of the filter frame 8 inside the filter box 4. Then, cover the inlet pipe 10 with the cover plate 11. The landfill leachate is then initially filtered by the squeeze filter plate 13 and introduced into the lower part of the filter frame 8. The filter frame 8 then filters the landfill leachate again. Afterward, by opening the first electric push rod 12, the first electric push rod 12 drives the squeeze filter plate 13 to move downward. The squeeze filter plate 13 squeezes the filtered solid impurities in the filter frame 8, thereby squeezing out the landfill leachate from the solid impurities. The leachate is then introduced into the collection tank 14 through the liquid guide hopper 6 and then into the conveying and combustion device. The conveying and combustion device filters the leachate again, and the filtered leachate is then introduced into the collection tank 14. After all the leachate has been filtered, the conveying and combustion device is turned on, which conveys and burns the fixed impurities. By setting up this device, not only can the leachate be fully filtered, improving the filtration effect, but it also facilitates the incineration of fixed impurities, reduces labor intensity, and improves work efficiency.

[0023] As a preferred embodiment of the above, the conveying combustion device includes a conveying box 17, a motor 18, a spiral conveying roller 19, four sets of support rods 20, an incineration box 21, and a door opening and closing assembly. The conveying box 17 is installed at the top of the collection box 14 through the four sets of support rods 20. The output end of the liquid guide hopper 6 is connected to the right side of the top of the conveying box 17. The motor 18 is installed at the right end of the conveying box 17. The spiral conveying roller 19 is rotatably installed inside the conveying box 17. The output end of the motor 18 passes through the right end of the conveying box 17 and is connected to the right end of the spiral conveying roller 19. A discharge port is provided on the lower left side of the conveying box 17. The door opening and closing assembly is installed at the discharge port of the conveying box 17. The incineration box 21 is installed on the left side of the top of the conveying vehicle plate 1. The left part of the conveying box 17 extends into the incineration box 21 through the left end of the collection box 14 and the right end of the incineration box 21. Multiple sets of filter holes are provided at the bottom of the conveying box 17. The multiple sets of filter holes at the bottom of the conveying box 17 are smaller than the filter holes of the filter frame 8.

[0024] By setting up a conveyor box 17, a motor 18, a spiral conveyor roller 19, a support rod 20, an incineration box 21, and a door opening and closing assembly, the filtered landfill leachate is introduced into the conveyor box 17 through the liquid guide hopper 6. Multiple sets of filter holes at the bottom of the conveyor box 17 further filter the landfill leachate. The filtered landfill leachate is then introduced into the collection box 14 for storage. After the landfill leachate is completely filtered, some solid impurities will remain inside the conveyor box 17. By turning on the motor 18, the motor 18 drives the spiral conveyor roller 19 to rotate. At the same time, the door opening and closing assembly is opened, and the spiral conveyor roller 19 carries the solid impurities in the conveyor box 17 through the discharge port of the conveyor box 17 into the incineration box 21 for incineration, thus automatically incinerating the fixed impurities in the conveyor box 17.

[0025] As a preferred embodiment of the above, the door opening and closing assembly includes a baffle 22, a fixing plate 23, a first fixing seat 24, a second electric push rod 25, and a connecting seat 26. The baffle 22 is rotatably installed at the discharge port at the left end of the conveying box 17, the fixing plate 23 is installed at the left end of the conveying box 17, the first fixing seat 24 is installed at the bottom end of the fixing plate 23, the second electric push rod 25 is rotatably installed on the first fixing seat 24, and the connecting seat 26 is installed on the lower side of the left end of the baffle 22. The output end of the second electric push rod 25 is rotatably connected to the connecting seat 26.

[0026] By setting up a baffle 22, a fixing plate 23, a first fixing seat 24, a second electric push rod 25, and a connecting seat 26, the second electric push rod 25 is opened, which in turn drives the baffle 22 to open. The spiral conveying roller 19 then guides the solid impurities in the conveying box 17 into the incineration box 21 through the discharge port of the conveying box 17, thus sealing the conveying box 17 and preventing leachate from being introduced into the incineration box 21 through the discharge port of the conveying box 17.

[0027] As a preferred embodiment of the above, the connecting device includes four sets of mounting plates 9, a mounting base 27, a mounting rod 28, a bolt 29, and a nut 30. The four sets of mounting plates 9 are respectively installed on the upper side of the left end, rear end, right end, and front end of the filter frame 8. The left side, front side, rear side, and right side of the top of the filter box 4 are all provided with placement slots. The four sets of mounting plates 9 are respectively engaged with the four sets of placement slots of the filter box 4. The mounting base 27 is installed at the output end of the first electric push rod 12. The mounting rod 28 is installed at the middle of the top of the extruded filter plate 13. The bottom end of the mounting base 27 is provided with a slot. The mounting rod 28 is engaged with the slot of the mounting base 27. The mounting rod 28 and the mounting base 27 are both provided with through holes. The bolt 29 passes through the through holes of the mounting base 27 and the mounting rod 28 and is threadedly connected to the nut 30.

[0028] By setting up the mounting plate 9, the mounting bracket 27, the clamping rod 28, the bolt 29, and the nut 30, when it is necessary to clean the solid impurities in the squeezed filter plate 13 and the filter frame 8, the box cover 5 is opened, the nut 30 is loosened, the bolt 29 is disengaged from the mounting bracket 27 and the clamping rod 28, and the clamping rod 28 is disengaged from the mounting bracket 27, thereby disassembling the squeezed filter plate 13. Then, the solid impurities on the squeezed filter plate 13 are introduced into the incineration box 21. After that, the filter frame 8 is removed from the filter box 4 through the four sets of mounting plates 9, and the solid impurities in the filter frame 8 are introduced into the incineration box 21, which facilitates the disassembly and cleaning of the solid impurities in the squeezed filter plate 13 and the filter frame 8.

[0029] As a preferred embodiment of the above, it further includes two sets of second fixing seats 31, two sets of L-shaped clamping plates 32, two sets of pin plates 33, and two sets of handles 34. The two sets of second fixing seats 31 are respectively installed on the upper side of the left and right ends of the liquid inlet pipe 10. The two sets of L-shaped clamping plates 32 are respectively rotatably installed on the two sets of second fixing seats 31. The left and right ends of the cover plate 11 are provided with slots. The two sets of L-shaped clamping plates 32 are respectively engaged with the two sets of slots of the cover plate 11. The front side of the two sets of slots of the cover plate 11 is provided with slots. The rear side of the two sets of slots is connected with through holes. The two sets of pin plates 33 pass through the two sets of through holes of the cover plate 11 and are engaged with the two sets of slots. The two sets of handles 34 are respectively installed on the rear side of the outer end of the two sets of pin plates 33.

[0030] By setting up a second fixing seat 31, an L-shaped clamping plate 32, a pin plate 33, and a handle 34, the two sets of L-shaped clamping plates 32 are rotated and engaged with the cover plate 11. Then, the two sets of handles 34 drive the two sets of pin plates 33 to slide, and the two sets of pin plates 33 are engaged with the two sets of slots on the cover plate 11, thereby fixing the two sets of L-shaped clamping plates 32 and fixing the cover plate 11.

[0031] As a preferred embodiment of the above, it also includes a guide trough plate 35, which is installed on the lower side of the left end outlet of the conveying box 17.

[0032] By setting the guide trough plate 35, it is easy to guide solid impurities.

[0033] As a preferred embodiment of the above, the second electric push rod 25 is made of a high-temperature resistant material;

[0034] This can prevent the second electric push rod 25 from being damaged by high temperature inside the incinerator 21.

[0035] As a preferred embodiment of the above, both the cover plate 11 and the box cover 5 are provided with sealing rings at their bottom ends;

[0036] This can improve the sealing performance of filter box 4.

[0037] This utility model discloses a collection and conveying device for landfill leachate. During operation, firstly, the cover plate 11 is opened, and the landfill leachate is introduced through the inlet pipe 10 into the middle of the filter frame 8 inside the filter box 4. Then, the cover plate 11 is placed on the inlet pipe 10. The landfill leachate is then initially filtered by the squeeze filter plate 13 and introduced into the lower part of the filter frame 8, where the filter frame 8 performs a second filtration. Next, by opening the first electric push rod 12, the first electric push rod 12 drives the squeeze filter plate 13 downwards, squeezing the filtered solid impurities inside the filter frame 8, thereby expelling the landfill leachate from the solid impurities. The landfill leachate is then introduced through the guide hopper 6 into the conveying box 17 inside the collection box 14. Multiple sets of filter holes at the bottom of the conveying box 17 perform a second filtration of the landfill leachate. The filtered landfill leachate is then guided... The solid impurities are stored in the collection box 14. After the leachate is completely filtered, some solid impurities will be located inside the conveying box 17. By turning on the motor 18, the motor 18 drives the screw conveyor roller 19 to rotate. At the same time, the opening and closing door assembly is opened, and the screw conveyor roller 19 carries the solid impurities in the conveying box 17 through the discharge port of the conveying box 17 into the incineration box 21 for incineration. When it is necessary to clean the solid impurities in the squeeze filter plate 13 and the filter frame 8, open the box cover 5, loosen the nut 30, so that the bolt 29 is disengaged from the clamp seat 27 and the clamp rod 28, and the clamp rod 28 is disengaged from the clamp seat 27, thereby removing the squeeze filter plate 13. Then, the solid impurities on the squeeze filter plate 13 are introduced into the incineration box 21. After that, the filter frame 8 is removed from the filter box 4 through the four sets of mounting plates 9, and then the solid impurities in the filter frame 8 are introduced into the incineration box 21.

[0038] The present invention relates to a collection and conveying device for landfill leachate. Its installation, connection, or setting methods are all common mechanical methods, and any method that can achieve its beneficial effects can be implemented. The first electric push rod 12, motor 18, incineration box 21, and second electric push rod 25 of the present invention are commercially available. Technical personnel in this industry only need to install and operate them according to the accompanying instruction manual.

[0039] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A collection and conveying device for landfill leachate, comprising a conveyor plate (1), a push handle (3), a filter box (4), a box cover (5), four sets of support legs (7), a filter frame (8), a cover plate (11), a collection box (14), a suction pump (15), a liquid guide pipe (16), a squeezing device, and a conveying and combustion device. The bottom of the conveyor plate (1) is provided with four sets of casters (2). The push handle (3) is installed on the right side of the top of the conveyor plate (1). The box cover (5) is sealed and installed on the filter box (4). Locks are provided at both the front and rear ends of the box cover (5), and the locks engage with the filter box (4). A liquid guide hopper (6) is connected to the bottom of the filter box (4). Four sets of support legs (7) are installed at the bottom of the liquid guide hopper (6). The four sets of support legs (7) are installed on the right side of the top of the conveyor plate (1). The collection box (14) is installed on the top of the conveyor plate (1). The top right side of the top of the conveyor plate (1) has the output end of the liquid guide hopper (6) extending through the top of the collection box (14) into the inside of the collection box (14). The conveying combustion device is installed on the top left side of the conveyor plate (1) and inside the collection box (14). The output end of the liquid guide hopper (6) is connected to the conveying combustion device. The filter frame (8) is installed at the top of the filter box (4). The box cover (5) is connected to the liquid inlet pipe (10). The cover plate (11) is installed on the liquid inlet pipe (10). The liquid inlet pipe (10) is connected to the filter frame (8). The squeezing device is installed in the middle of the box cover (5). The squeezing device is located inside the filter frame (8). The suction pump (15) is installed on the top right side of the conveyor plate (1). The input end of the suction pump (15) is connected to the output end of the liquid guide pipe (16). The input end of the liquid guide pipe (16) extends through the right end of the collection box (14) into the inside of the collection box (14). The characteristic is that... The extrusion device includes a first electric push rod (12), an extrusion filter plate (13), and a connecting device. The first electric push rod (12) is installed at the top center of the box cover (5). The output end of the first electric push rod (12) passes through the box cover (5) and extends to its lower side, where it is connected to the extrusion filter plate (13) via the connecting device. The extrusion filter plate (13) is located inside the filter frame (8), and the filter holes of the extrusion filter plate (13) are larger than those of the filter frame (8).

2. The collection and conveying device for landfill leachate as described in claim 1, characterized in that, The conveying combustion device includes a conveying box (17), a motor (18), a spiral conveying roller (19), four sets of support rods (20), an incineration box (21), and a door opening and closing assembly. The conveying box (17) is installed at the top of the collection box (14) via four sets of support rods (20). The output end of the liquid guide hopper (6) is connected to the right side of the top of the conveying box (17). The motor (18) is installed at the right end of the conveying box (17). The spiral conveying roller (19) is rotatably installed inside the conveying box (17). The output end of the motor (18) passes through the conveying box. The right end of the box (17) is connected to the right end of the spiral conveyor roller (19). The lower left side of the conveyor box (17) is connected to the discharge port. The door opening and closing assembly is installed at the discharge port of the conveyor box (17). The incinerator (21) is installed on the top left side of the conveyor plate (1). The left side of the conveyor box (17) extends through the left end of the collection box (14) and the right end of the incinerator (21) into the interior of the incinerator (21). The bottom end of the conveyor box (17) is connected to multiple sets of filter holes. The multiple sets of filter holes at the bottom end of the conveyor box (17) are smaller than the filter holes of the filter frame (8).

3. The collection and conveying device for landfill leachate as described in claim 2, characterized in that, The door opening and closing assembly includes a baffle (22), a fixing plate (23), a first fixing seat (24), a second electric push rod (25), and a connecting seat (26). The baffle (22) is rotatably installed at the discharge port on the left side of the conveyor box (17). The fixing plate (23) is installed on the left side of the conveyor box (17). The first fixing seat (24) is installed at the bottom of the fixing plate (23). The second electric push rod (25) is rotatably installed on the first fixing seat (24). The connecting seat (26) is installed on the lower side of the left side of the baffle (22). The output end of the second electric push rod (25) is rotatably connected to the connecting seat (26).

4. The collection and conveying device for landfill leachate as described in claim 3, characterized in that, The connecting device includes four sets of mounting plates (9), a mounting base (27), a mounting rod (28), a bolt (29), and a nut (30). The four sets of mounting plates (9) are respectively installed on the upper side of the left, rear, right, and front ends of the filter frame (8). The left, front, rear, and right sides of the top of the filter box (4) are provided with placement slots. The four sets of mounting plates (9) are respectively engaged with the four placement slots of the filter box (4). The mounting base (27) is installed at the output end of the first electric push rod (12). The mounting rod (28) is installed at the middle of the top of the extruded filter plate (13). The bottom end of the mounting base (27) is provided with a slot. The mounting rod (28) is engaged with the slot of the mounting base (27). The mounting rod (28) and the mounting base (27) are both connected with through holes. The bolt (29) passes through the through holes of the mounting base (27) and the mounting rod (28) and is threadedly connected to the nut (30).

5. A collection and conveying device for landfill leachate as described in claim 4, characterized in that, It also includes two sets of second fixing seats (31), two sets of L-shaped clamping plates (32), two sets of pin plates (33) and two sets of handles (34). The two sets of second fixing seats (31) are respectively installed on the upper side of the left and right ends of the liquid inlet pipe (10). The two sets of L-shaped clamping plates (32) are respectively rotatably installed on the two sets of second fixing seats (31). The left and right ends of the cover plate (11) are provided with slots. The two sets of L-shaped clamping plates (32) are respectively engaged with the two sets of slots of the cover plate (11). The front side of the two sets of slots of the cover plate (11) is provided with slots. The rear side of the two sets of slots is connected with through holes. The two sets of pin plates (33) pass through the two sets of through holes of the cover plate (11) and are engaged with the two sets of slots. The two sets of handles (34) are respectively installed on the rear side of the outer end of the two sets of pin plates (33).

6. The collection and conveying device for landfill leachate as described in claim 5, characterized in that, It also includes a guide trough plate (35), which is installed on the lower side of the discharge port at the left end of the conveyor box (17).

7. The collection and conveying device for landfill leachate as described in claim 6, characterized in that, The second electric push rod (25) is made of high temperature resistant material.

8. A collection and conveying device for landfill leachate as described in claim 7, characterized in that, Both the cover plate (11) and the box cover (5) are provided with sealing rings at their bottom ends.

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