Automatic multi-stage sorting and screening device for activated carbon

Abstract

The utility model relates to active carbon recycling processing technical field, concretely relates to active carbon automatic multistage sorting sieving device, including base, still include controller, drying mechanism, screening mechanism, dust removal mechanism and weighing mechanism, drying mechanism includes drying box, carding subassembly and two electric hot plate, screening mechanism includes processing box, first filter plate, second filter plate and drive assembly, dust removal mechanism includes position sensor, micromotor, wind scooper and a plurality of fan, weighing mechanism includes U type board, weighing assembly and three feeding slide, the active carbon automatic multistage sorting sieving device of the utility model can dry the active carbon used first, then carries out multistage screening according to size and synchronously removes dust, then weighs and records data, and is convenient for subsequent analysis and regeneration treatment.

Description

Technical Field

[0001] This utility model relates to the field of activated carbon recycling and treatment technology, specifically to an automatic multi-stage sorting and sieving device for activated carbon. Background Technology

[0002] Activated carbon possesses a highly developed pore structure and a large specific surface area, making it suitable for use in water treatment processes at waterworks. Activated carbon not only effectively adsorbs trace organic matter in water but also removes color caused by humic substances and odors produced by algal metabolites and chlorine disinfection byproducts, thus improving the taste and odor of drinking water and enhancing its sensory quality. When activated carbon reaches the end of its lifespan and its adsorption capacity can no longer meet treatment requirements, it needs to be recycled. After activity evaluation, activated carbon requires regeneration or disposal assessment. Currently, the activated carbon recycling process faces the following problems: 1. A large amount of dust particles are generated during the activated carbon recycling process, which cannot be cleaned up in time, thus reducing the quality of activated carbon recycling.

[0003] 2. It is impossible to perform multi-stage sieving of activated carbon according to size and weigh each part separately, which makes subsequent analysis and processing inconvenient. Summary of the Invention

[0004] The purpose of this invention is to provide an automatic multi-stage sorting and sieving device for activated carbon.

[0005] To achieve this objective, the present invention adopts the following technical solution: An automatic multi-stage sorting and sieving device for activated carbon is provided, including a base with four support rods fixed on the top of the base; It also includes a controller, a drying mechanism, a screening mechanism, a dust removal mechanism, and a weighing mechanism; The drying mechanism is located on top of four support rods. The drying mechanism includes a drying box, a combing assembly, and two electric heating plates. The drying box is fixedly located on top of the four support rods. A top plate is fixedly located on top of the drying box. Both electric heating plates are fixedly located on top of the top plate. The combing assembly is located at the bottom of the top plate. The screening mechanism is located on the top of the base. The screening mechanism includes a processing box, a first filter plate, a second filter plate, and a drive assembly. The processing box is rotatably located on the top of the base. The first and second filter plates are slidably mounted on the inner wall of the processing box via four sliders. The drive assembly is located on the outer wall of the processing box. The dust removal mechanism is located on the outer wall of the processing box. The dust removal mechanism includes a position sensor, a micro motor, an air guide hood, and several fans. The air guide hood is fixedly located on the outer wall of the processing box. An exhaust port is opened at the end of the air guide hood away from the processing box. The micro motor is fixedly located on the exhaust port. A support plate is fixedly located inside the air guide hood. Each fan is rotatably mounted on the support plate through a hinge shaft. A transmission assembly is sleeved between every two hinge shafts. The position sensor is fixedly located on the outer wall of the processing box. The weighing mechanism is located on the top of the base. The weighing mechanism includes a U-shaped plate, a weighing component, and three feeding slides. The U-shaped plate is fixedly located on the top of the base, and the three feeding slides are equally spaced on the top of the base. The weighing component is located on the U-shaped plate. The position sensor, drive component, adsorption component, weighing component, and each electric heating plate are electrically connected to the controller.

[0006] Preferably, the carding assembly includes a lead screw slide, an elastic telescopic rod, a carding plate, and a sliding plate. The lead screw slide is fixedly mounted on the top of the top, the sliding plate is slidably mounted on the outer wall of the lead screw slide, the elastic telescopic rod is fixedly mounted on the bottom of the sliding plate, the carding plate is fixedly mounted on the lower end of the elastic telescopic rod, the bottom of the inner side of the drying box is a sloping structure, the bottom of the carding plate is in contact with the bottom of the inner side of the drying box, and a feeding slide is provided at one end of the top of the drying box.

[0007] Preferably, a feeding channel is fixedly provided at one end of the drying box near the processing box, and a discharge port is provided on the outer wall of the drying box at one end near the feeding slide. A baffle is inserted on the discharge port, and a first electric push rod is fixedly provided on the outer wall of the drying box. Its output end is fixedly connected to the baffle through a push block, and the electric push rod is electrically connected to the controller.

[0008] Preferably, the drive assembly includes a second electric push rod, a push plate, and two slide rods. The second electric push rod is fixedly mounted on the outer wall of the processing chamber, the push plate is fixedly mounted on its output end, and the two slide rods are both fixedly mounted on the bottom of the push plate. The bottom of the two slide rods is fixedly connected to the top of the first filter plate. Each slide rod is slidably connected to the inner wall of the processing chamber. Four connecting rods are fixedly provided between the bottom of the first filter plate and the top of the second filter plate. Several first filter holes and second filter holes are respectively opened on the outer walls of the first filter plate and the second filter plate. The detection end of the position sensor faces the push plate, and the second electric push rod is electrically connected to the controller.

[0009] Preferably, each transmission component includes a synchronous belt and two synchronous pulleys. The output end of the micro motor is fixedly connected to the end of one of the hinge shafts. Each synchronous pulley is sleeved on one of the hinge shafts. The synchronous belt is sleeved between the two synchronous pulleys. Several filter slots are opened at the end of the processing box near the air guide shroud. A protective shell is fixedly provided at the end of the air guide shroud near the outlet.

[0010] Preferably, the weighing assembly includes three collection boxes and three weighing sensors. Six slots are fixed on the outer wall of the U-shaped plate. Each collection box is inserted between every two slots at the same height. Each weighing sensor is located inside one collection box and is electrically connected to the controller.

[0011] Preferably, the bottom of the processing box is fixedly provided with two connecting plates, the top of the base is rotatably provided with a rotating shaft, both connecting plates are fixedly connected to the rotating shaft, the top of the base is fixedly provided with a drive motor, the output end of which is fixedly provided with a first gear, one end of the rotating shaft is fixedly provided with a second gear, the first gear and the second gear are meshed and connected, the other end of the rotating shaft is fixedly provided with a third gear, the top of the base is rotatably provided with a fourth gear, the third gear and the fourth gear are meshed and connected, and the drive motor is electrically connected to the controller.

[0012] Preferably, the processing box is provided with a guide groove at one end near the feeding chute, a stop door is inserted inside the guide groove, and a handle is fixed on the outer wall of the stop door.

[0013] The beneficial effects of this utility model are: (1) This utility model designs a drying mechanism, namely a drying box, a combing component and two electric heating plates. While drying the damp activated carbon, the combing component moves the activated carbon in the drying box back and forth to achieve a stirring effect, ensuring that the activated carbon in all positions in the drying box is heated evenly, thereby improving the drying rate and effect of the activated carbon.

[0014] (2) By designing a position sensor, this utility model can send a signal to the controller every time the position sensor detects that the push plate is away from the processing box, that is, when the activated carbon is vibrating inside the processing box. The controller then starts the micro motor. Since its output end is fixedly connected to one of the hinge shafts, each fan is rotatably connected to the support plate through the hinge shaft. Each synchronous wheel is fixedly connected to one of the hinge shafts. The two synchronous wheels are connected by a synchronous belt, which drives several fans to rotate. This causes the dust on the surface of the dried activated carbon to fall off during the vibration or when they collide with each other. At the same time, the dust is drawn out from the processing box by several fans through several filter tanks to the inside of the air guide hood, and then discharged from the outlet at one end of the air guide hood, thus achieving dust removal and realizing the linkage operation of the screening mechanism and the dust removal mechanism.

[0015] (3) This utility model designs a first filter plate and a second filter plate. The first filter plate is designed with a number of first filter holes and the second filter plate is designed with a number of second filter holes. Since the diameter of each first filter hole is larger than the diameter of a second filter hole, the dried activated carbon falling into the top of the first filter plate will keep jumping while the first filter plate and the second filter plate slide back and forth. As a result, the large-particle activated carbon will remain on the top of the first filter plate, the medium-particle activated carbon will remain on the top of the second filter plate, and the small-particle activated carbon will fall into the bottom of the inner side of the processing box through a number of second filter holes, thus realizing the automatic screening of activated carbon of different sizes.

[0016] (4) This utility model designs a weighing mechanism, namely a U-shaped plate, a weighing component and three feeding slides. The three feeding slides facilitate the receiving of activated carbon of different sizes after dust removal into the interior of three collection boxes. The three weighing sensors weigh the activated carbon respectively. The controller is equipped with a display screen, and the weighing data can be transmitted to the display screen in real time, which is convenient for the processing personnel to watch and record in real time, thereby facilitating the subsequent analysis and regeneration of activated carbon. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the three-dimensional structure of the present invention. Figure 1 ; Figure 2 for Figure 1 Enlarged view of point A in the image; Figure 3 This is a schematic diagram of the three-dimensional structure of the present invention. Figure 2 ; Figure 4 for Figure 3 Enlarged view of point B in the image; Figure 5 This is a cross-sectional structural diagram of the drying oven of this utility model; Figure 6 for Figure 5 Enlarged view of point C in the image; Figure 7 for Figure 5 Enlarged view of point D in the image; Figure 8 This is a cross-sectional structural diagram of the processing box of this utility model; Figure 9 for Figure 8 Enlarged view of point E in the image; Reference numerals: 1. Drying oven; 2. Electric heating plate; 3. Processing box; 4. First filter plate; 5. Second filter plate; 6. Slider; 7. Position sensor; 8. Micro motor; 9. Air guide hood; 10. Fan; 11. Discharge outlet; 12. U-shaped plate; 13. Feeding slide; 14. Screw slide; 15. Elastic telescopic rod; 16. Combing plate; 17. Slide plate; 18. Feeding slide; 19. Feeding channel; 20. Baffle; 21. First electric push rod; 22. Push block; 23. Second electric push rod; 24. Push plate; 25. Slide rod; 26. Connecting rod; 27. First filter hole; 28. Second filter hole; 29. ​​Synchronous belt; 30. Synchronous pulley; 31. Filter tank; 32. Protective shell; 33. Collection box; 34. Weighing sensor; 35. Connecting plate; 36. Rotating shaft; 37. Drive motor; 38. First gear; 39. Second gear; 40. Third gear; 41. Fourth gear; 42. Baffle door; 43. Handle; 44. Bellows protective cover. Detailed Implementation

[0018] The technical solution of the present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0019] The accompanying drawings are for illustrative purposes only and are schematic diagrams, not actual images. They should not be construed as limiting the scope of this patent. To better illustrate the embodiments of the present invention, some parts in the drawings may be omitted, enlarged, or reduced, and do not represent the actual dimensions of the product.

[0020] Reference Figures 1 to 9 As shown, the automatic multi-stage sorting and sieving device for activated carbon includes a base, and four support rods are fixedly installed on the top of the base. It also includes a controller, a drying mechanism, a screening mechanism, a dust removal mechanism, and a weighing mechanism; The drying mechanism is located on top of four support rods. The drying mechanism includes a drying box 1, a combing assembly and two electric heating plates 2. The drying box 1 is fixedly located on top of the four support rods. A top plate is fixedly located on the top of the drying box 1. Both electric heating plates 2 are fixedly located on the top of the top plate. The combing assembly is located at the bottom of the top plate. The screening mechanism is located on the top of the base. The screening mechanism includes a processing box 3, a first filter plate 4, a second filter plate 5 and a drive assembly. The processing box 3 is rotatably located on the top of the base. The first filter plate 4 and the second filter plate 5 are slidably located on the inner wall of the processing box 3 by four sliders 6. The drive assembly is located on the outer wall of the processing box 3. The dust removal mechanism is located on the outer wall of the processing box 3. The dust removal mechanism includes a position sensor 7, a micro motor 8, an air guide shroud 9, and several fans 10. The air guide shroud 9 is fixedly located on the outer wall of the processing box 3. An exhaust port 11 is opened at the end of the air guide shroud 9 away from the processing box 3. The micro motor 8 is fixedly located on the exhaust port 11. A support plate is fixedly located inside the air guide shroud 9. Each fan 10 is rotatably mounted on the support plate through a hinge shaft. A transmission assembly is sleeved between every two hinge shafts. The position sensor 7 is fixedly located on the outer wall of the processing box 3. The weighing mechanism is located on the top of the base. The weighing mechanism includes a U-shaped plate 12, a weighing component, and three feeding slides 13. The U-shaped plate 12 is fixedly located on the top of the base, and the three feeding slides 13 are equally spaced on the top of the base. The weighing component is located on the U-shaped plate 12. The position sensor 7, the drive component, the adsorption component, the weighing component, and each electric heating plate 2 are all electrically connected to the controller.

[0021] Reference Figures 1 to 9 As shown, the carding assembly includes a lead screw slide 14, an elastic telescopic rod 15, a carding plate 16, and a sliding plate 17. The lead screw slide 14 is fixedly mounted on the top of the assembly, the sliding plate 17 is slidably mounted on the outer wall of the lead screw slide 14, the elastic telescopic rod 15 is fixedly mounted on the bottom of the sliding plate 17, and the carding plate 16 is fixedly mounted on the lower end of the elastic telescopic rod 15. The bottom of the inner side of the drying chamber 1 has a sloping structure, and the bottom of the carding plate 16 is in contact with the bottom of the inner side of the drying chamber 1. A feeding chute 18 is provided at one end of the top of the drying chamber 1. When performing automatic multi-stage sorting and sieving of activated carbon, the used activated carbon is first fed from the feeding chute. 18 is poured into the interior of the drying chamber 1, and then the two electric heating plates 2 are activated by the controller. Next, the slide plate 17 is driven to slide horizontally back and forth by the lead screw slide table 14. Since the slide plate 17 is fixedly connected to the carding plate 16 by the elastic telescopic rod 15, the bottom of the inner side of the drying chamber 1 is a sloping structure. The bottom of the carding plate 16 is in contact with the bottom of the inner side of the drying chamber 1, thereby driving the carding plate 16 to slide back and forth on the bottom of the inner side of the drying chamber 1. While heating the activated carbon, it is also carded, which has a stirring effect. This ensures that the activated carbon in all positions in the drying chamber 1 is heated evenly, thereby improving the drying rate and effect of the activated carbon.

[0022] Reference Figures 1 to 9 As shown, a feeding channel 19 is fixedly provided at one end of the drying chamber 1 near the processing chamber 3. A discharge port is provided on the outer wall of the drying chamber 1 at one end near the feeding chute 13, and a baffle 20 is inserted into the discharge port. A first electric push rod 21 is fixedly provided on the outer wall of the drying chamber 1, and its output end is fixedly connected to the baffle 20 via a push block 22. An obstacle groove is provided on the outer wall of the processing chamber for the push block 22 to slide vertically. A bellows-shaped protective cover 44 is fixedly provided between the top of the inner side of the obstacle groove and the top of the push block 22. The electric push rod is electrically connected to the controller. After the activated carbon is dried… The controller activates the first electric push rod 21, causing its output end to retract. Since its output end is fixedly connected to the baffle 20 via the push block 22, and the baffle 20 is inserted into the discharge port, the baffle 20 rises vertically, causing the discharge port to open. Since the bottom of the inner side of the drying box 1 is a sloping structure, the dried activated carbon enters the interior of the processing box 3 through the feeding channel 19. The bellows cover 44 provides a sealing effect, preventing the activated carbon from leaking out of the clearance groove during the drying process due to the action of the combing plate 16 when the discharge port is not open.

[0023] Reference Figures 1 to 9 As shown, the drive assembly includes a second electric push rod 23, a push plate 24, and two slide rods 25. The second electric push rod 23 is fixedly mounted on the outer wall of the processing chamber 3, the push plate 24 is fixedly mounted on its output end, and the two slide rods 25 are both fixedly mounted on the bottom of the push plate 24. The bottom of the two slide rods 25 are fixedly connected to the top of the first filter plate 4. Each slide rod 25 is slidably connected to the inner wall of the processing chamber 3. Four connecting rods 26 are fixedly mounted between the bottom of the first filter plate 4 and the top of the second filter plate 5. Several first filter holes 27 and second filter holes 28 are respectively opened on the outer walls of the first filter plate 4 and the second filter plate 5. The detection end of the position sensor 7 faces the push plate 24. The second electric push rod 23 is electrically connected to the controller. When the dried activated carbon falls into the top of the first filter plate 4 inside the processing chamber 3 through the feeding channel 19, the controller starts the second electric push rod 23, causing its output end to extend. Since its output end is fixed to the top of the two slide rods 25 through the push plate 24... The bottoms of the two sliding rods 25 are fixedly connected to the top of the first filter plate 4. The first filter plate 4 and the second filter plate 5 are fixedly connected by four connecting rods 26. The first filter plate 4 and the second filter plate 5 are slidably connected to the inner wall of the processing box 3 by four sliders 6, so that the first filter plate 4 and the second filter plate 5 slide vertically upward. Then, the output end of the second electric push rod 23 is reset by the controller, thus driving the first filter plate 4 and the second filter plate 5 to slide vertically downward. Up and down, in a cycle, the dried activated carbon falling into the top of the first filter plate 4 jumps continuously, realizing vibration. Since the diameter of each first filter hole 27 is larger than the diameter of a second filter hole 28, large-particle activated carbon is temporarily retained on the top of the first filter plate 4, while medium-particle activated carbon is temporarily retained on the top of the second filter plate 5. Small-particle activated carbon falls into the inner bottom of the processing box 3 through several second filter holes 28, realizing automatic screening of activated carbon of different sizes.

[0024] Reference Figures 1 to 9As shown, each transmission component includes a synchronous belt 29 and two synchronous pulleys 30. The output end of the micro motor 8 is fixedly connected to the end of one of the hinge shafts. Each synchronous pulley 30 is sleeved on one of the hinge shafts. The synchronous belt 29 is sleeved between the two synchronous pulleys 30. The processing box 3 has several filter slots 31 at the end near the air guide shroud 9. The air guide shroud 9 has a protective shell 32 fixedly installed at the end near the outlet 11. Each time the position sensor 7 detects that the push plate 24 is away from the processing box 3, that is, when the activated carbon vibrates inside the processing box 3, this signal is sent to the controller, thereby starting the micro motor 8 through the controller. Since its output end is connected to one of the hinge shafts, the micro motor 8 is fixedly connected to the end of one of the hinge shafts. The hinge shaft is fixedly connected, and each fan 10 is rotatably connected to the support plate through the hinge shaft. Each synchronous pulley 30 is fixedly connected to one of the hinge shafts. Two synchronous pulleys 30 are connected by a synchronous belt 29, which drives several fans 10 to rotate. This causes the dust on the surface of the dried activated carbon to fall off during the vibration or when they collide with each other. At the same time, the dust is drawn out from the processing box 3 by several fans 10 through several filter tanks 31 into the interior of the air guide hood 9, and then discharged from the outlet 11 at one end of the air guide hood 9 to achieve dust removal. The protective shell 32 is used to cover the synchronous pulleys 30 and the synchronous belt 29 to prevent dust from entering and causing jamming.

[0025] Reference Figures 1 to 9 As shown, the weighing assembly includes three collection boxes 33 and three weighing sensors 34. Six slots are fixed on the outer wall of the U-shaped plate 12. Each collection box 33 is inserted between two slots at the same height. Each weighing sensor 34 is located inside one collection box 33 and is electrically connected to the controller. When the large, medium and small particle sizes of activated carbon after dust removal in the processing box 3 slide into the three collection boxes 33 through the three feeding slides 13, they are weighed by the three weighing sensors 34. The controller is equipped with a display screen, and the weighing data can be transmitted to the display screen in real time, which is convenient for the staff to watch and record in real time, and thus facilitates the subsequent analysis and regeneration of activated carbon. The design of inserting each collection box 33 into the U-shaped plate 12 is for quick removal after weighing to realize material unloading.

[0026] Reference Figures 1 to 9As shown, two connecting plates 35 are fixedly installed at the bottom of the processing box 3, and a rotating shaft 36 is rotatably installed on the top of the base. Both connecting plates 35 are fixedly connected to the rotating shaft 36. A drive motor 37 is fixedly installed on the top of the base, and a first gear 38 is fixedly installed on its output end. A second gear 39 is fixedly installed at one end of the rotating shaft 36, and the first gear 38 and the second gear 39 are meshed together. A third gear 40 is fixedly installed at the other end of the rotating shaft 36. A fourth gear 41 is rotatably installed on the top of the base, and the third gear 40 and the fourth gear 41 are meshed together. The drive motor 37 is electrically connected to the controller. When the dust removal of the dried activated carbon is completed, the second electric push rod 23 is de-energized by the controller to stop the screening operation. The system operates by starting the drive motor 37 via the controller, causing the first gear 38 on its output end to rotate. Since the second gear 39 is fixedly connected to one end of the rotating shaft 36, the first gear 38 and the second gear 39 are meshed together. The rotating shaft 36 is rotatably connected to the base and is fixedly connected to the bottom of the processing box 3 via two connecting blocks. This causes the processing box 3 to rotate towards the end closer to the feeding slide 13 until it reaches an inclined state. Then, the power to the drive motor 37 is cut off. Since the third gear 40 is fixedly connected to the other end of the rotating shaft 36 and the fourth gear 41 is rotatably connected to the base, the third gear 40 and the fourth gear 41 are meshed together. This ensures that the rotating shaft 36 drives the processing box 3 to rotate smoothly.

[0027] Reference Figures 1 to 9 As shown, the processing box 3 is provided with a guide groove at one end near the feeding slide 13. A baffle 42 is inserted inside the guide groove, and a handle 43 is fixed on the outer wall of the baffle 42. When the processing box 3 is rotated to tilt towards one end near the three feeding slides 13, the operator grabs the handle to pull the baffle 42 out from inside the guide groove, so that the large, medium and small particle sizes of activated carbon after dust removal inside the processing box 3 can be poured into the three feeding slides 13 respectively.

Claims

1. An automatic multi-stage sorting and sieving device for activated carbon, comprising a base, wherein four support rods are fixedly mounted on the top of the base, characterized in that: It also includes a controller, a drying mechanism, a screening mechanism, a dust removal mechanism, and a weighing mechanism; The drying mechanism is located on the top of four support rods. The drying mechanism includes a drying box (1), a combing assembly and two electric heating plates (2). The drying box (1) is fixedly located on the top of the four support rods. A top plate is fixedly located on the top of the drying box (1). The two electric heating plates (2) are fixedly located on the top of the top plate. The combing assembly is located at the bottom of the top plate. The screening mechanism is located on the top of the base. The screening mechanism includes a processing box (3), a first filter plate (4), a second filter plate (5) and a drive assembly. The processing box (3) is rotatably located on the top of the base. The first filter plate (4) and the second filter plate (5) are slidably located on the inner wall of the processing box (3) by four sliders (6). The drive assembly is located on the outer wall of the processing box (3). The dust removal mechanism is located on the outer wall of the processing box (3). The dust removal mechanism includes a position sensor (7), a micro motor (8), an air guide hood (9), and several fans (10). The air guide hood (9) is fixedly located on the outer wall of the processing box (3). An outlet (11) is opened at the end of the air guide hood (9) away from the processing box (3). The micro motor (8) is fixedly located on the outlet (11). A support plate is fixedly located inside the air guide hood (9). Each fan (10) is rotatably located on the support plate through a hinge shaft. A transmission component is sleeved between every two hinge shafts. The position sensor (7) is fixedly located on the outer wall of the processing box (3). The weighing mechanism is located on the top of the base. The weighing mechanism includes a U-shaped plate (12), a weighing component and three feeding slides (13). The U-shaped plate (12) is fixed on the top of the base. The three feeding slides (13) are equally spaced on the top of the base. The weighing component is located on the U-shaped plate (12). The position sensor (7), drive component, adsorption component, weighing component and each electric heating plate (2) are electrically connected to the controller.

2. The automatic multi-stage sorting and sieving device for activated carbon according to claim 1, characterized in that: The carding assembly includes a screw slide (14), an elastic telescopic rod (15), a carding plate (16), and a sliding plate (17). The screw slide (14) is fixedly installed at the top of the top, the sliding plate (17) is slidably installed on the outer wall of the screw slide (14), the elastic telescopic rod (15) is fixedly installed at the bottom of the sliding plate (17), the carding plate (16) is fixedly installed at the lower end of the elastic telescopic rod (15), the bottom of the inner side of the drying box (1) is a sloping structure, the bottom of the carding plate (16) is in contact with the bottom of the inner side of the drying box (1), and a feeding slide (18) is provided at one end of the top of the drying box (1).

3. The automatic multi-stage sorting and sieving device for activated carbon according to claim 2, characterized in that: A feeding channel (19) is fixedly provided at one end of the drying box (1) near the processing box (3). A discharge port is provided on the outer wall of the drying box (1) near the feeding slide (13). A baffle (20) is inserted on the discharge port. A first electric push rod (21) is fixedly provided on the outer wall of the drying box (1). Its output end is fixedly connected to the baffle (20) through a push block (22). The electric push rod is electrically connected to the controller.

4. The automatic multi-stage sorting and sieving device for activated carbon according to claim 3, characterized in that: The drive assembly includes a second electric push rod (23), a push plate (24), and two slide rods (25). The second electric push rod (23) is fixed on the outer wall of the processing box (3), the push plate (24) is fixed on its output end, and the two slide rods (25) are fixed on the bottom of the push plate (24). The bottom of the two slide rods (25) is fixedly connected to the top of the first filter plate (4). Each slide rod (25) is slidably connected to the inner wall of the processing box (3). Four connecting rods (26) are fixedly provided between the bottom of the first filter plate (4) and the top of the second filter plate (5). Several first filter holes (27) and second filter holes (28) are respectively opened on the outer walls of the first filter plate (4) and the second filter plate (5). The detection end of the position sensor (7) faces the push plate (24), and the second electric push rod (23) is electrically connected to the controller.

5. The automatic multi-stage sorting and sieving device for activated carbon according to claim 4, characterized in that: Each transmission component includes a synchronous belt (29) and two synchronous pulleys (30). The output end of the micro motor (8) is fixedly connected to the end of one of the hinge shafts. Each synchronous pulley (30) is sleeved on one of the hinge shafts. The synchronous belt (29) is sleeved between the two synchronous pulleys (30). Several filter slots (31) are opened at one end of the processing box (3) near the air guide shroud (9). A protective shell (32) is fixedly provided at one end of the air guide shroud (9) near the outlet (11).

6. The automatic multi-stage sorting and sieving device for activated carbon according to claim 5, characterized in that: The weighing assembly includes three collection boxes (33) and three weighing sensors (34). Six slots are fixed on the outer wall of the U-shaped plate (12). Each collection box (33) is inserted between two slots at the same height. Each weighing sensor (34) is located inside a collection box (33). Each weighing sensor (34) is electrically connected to the controller.

7. The automatic multi-stage sorting and sieving device for activated carbon according to claim 6, characterized in that: Two connecting plates (35) are fixedly provided at the bottom of the processing box (3), and a rotating shaft (36) is rotatably provided at the top of the base. Both connecting plates (35) are fixedly connected to the rotating shaft (36). A drive motor (37) is fixedly provided at the top of the base, and a first gear (38) is fixedly provided at its output end. A second gear (39) is fixedly provided at one end of the rotating shaft (36). The first gear (38) and the second gear (39) are meshed and connected. A third gear (40) is fixedly provided at the other end of the rotating shaft (36). A fourth gear (41) is rotatably provided at the top of the base. The third gear (40) and the fourth gear (41) are meshed and connected. The drive motor (37) is electrically connected to the controller.

8. The automatic multi-stage sorting and sieving device for activated carbon according to claim 7, characterized in that: The processing box (3) is provided with a guide groove at one end near the feeding chute (13), and a stop door (42) is inserted inside the guide groove. A handle (43) is fixed on the outer wall of the stop door (42).

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