Activated carbon filter

Abstract

The utility model relates to the technical field of filtering equipment. The activated carbon filter comprises a tank body, a sealing cover and an activated carbon filter cartridge, a plurality of through holes are evenly formed in the bottom of the activated carbon filter cartridge, a supporting seat used for supporting the activated carbon filter tank is arranged on the inner wall of the tank body in a sliding mode, and a cleaning assembly used for cleaning the interior of the tank body is arranged at the bottom of the supporting seat. A lifting assembly used for lifting the supporting seat is further arranged on the tank body, a limiting ring is arranged in the tank body, and a fixing assembly used for fixing the activated carbon filter cartridge is arranged on the limiting ring. The filter tank has the advantages that the fixing assembly is convenient for improving the connection stability of the activated carbon filter cartridge and the limiting ring, the cleaning assembly can clean the inner wall of the tank body, and the lifting assembly is convenient for lifting the positions of the activated carbon filter cartridge and the cleaning assembly, so that a worker can conveniently carry out maintenance operation.

Description

Technical Field

[0001] The utility model relates to the technical field of filtering equipment, in particular to an activated carbon filter. Background Art

[0002] In the production of pharmaceutical intermediates or APIs, because there are a lot of inorganic or organic impurities in the materials after the reaction, activated carbon needs to be added in the subsequent refining steps to remove them. The activated carbon filter has the functions of adsorbing and removing impurities, decolorizing, and adsorbing pyrogens. It can intercept the waste activated carbon that has lost its effectiveness and pass the effective ingredients through the clear liquid.

[0003] In the existing activated carbon filtration technology, the commonly used method is to directly fill the activated carbon inside the filter. The disadvantage of this method is that the activated carbon after filtration is very heavy, and it is not easy for the staff to take the activated carbon out of the filter for replacement. In addition, since the activated carbon may shake or shift due to liquid flow or improper operation during the filtration process, the filtration effect may be unstable or even reduced. At the same time, for the daily cleaning and maintenance of the equipment, due to the complex structure of the equipment and the difficulty of operation, it is often difficult to achieve the expected cleaning and maintenance effects. Utility Model Content

[0004] In order to overcome the shortcomings of the prior art, the present application provides an activated carbon filter.

[0005] The present application provides an activated carbon filter, which adopts the following technical solution:

[0006] An activated carbon filter comprises a tank body, a sealing cover and an activated carbon filter cartridge, wherein a plurality of through holes are evenly arranged on the bottom of the activated carbon filter cartridge, a support seat for supporting the activated carbon filter tank is slidably arranged on the inner wall of the tank body, a cleaning component for cleaning the inside of the tank body is arranged at the bottom of the support seat, a lifting component for lifting the support seat is also arranged on the tank body, a limiting ring is arranged inside the tank body, and a fixing component for fixing the activated carbon filter cartridge is arranged on the limiting ring.

[0007] By adopting the above technical solution, the cleaning component can clean the inner wall of the tank body, thereby reducing the adhesion of impurities on the inner wall of the tank body and improving the filtering effect. The lifting component can lift the support seat, thereby facilitating the lifting of the activated carbon filter cartridge and the cleaning component to the opening position of the tank body, so that the staff can replace the activated carbon in the activated carbon filter cartridge and facilitate the inspection and maintenance of the cleaning component. The fixing component can improve the connection stability between the activated carbon filter cartridge and the limit ring.

[0008] Optionally, the lifting assembly includes a lifting bin, a lifting rack, a lifting gear and a driving motor. A mounting seat is provided on the top of the tank body. The lifting bin is arranged on the side wall of the tank body along the vertical direction and is connected to the interior of the tank body. The lifting rack is slidably arranged in the lifting bin, and the top of the lifting rack is slidably passed through the mounting seat. The bottom of the lifting rack is connected to the support seat. The lifting gear is rotatably arranged at the bottom of the mounting seat. The lifting gear is engaged with the lifting rack. The driving motor is fixedly arranged on the mounting seat, and the output shaft of the driving motor is coaxially connected to the lifting gear.

[0009] By adopting the above technical solution, the lifting assembly can lift the activated carbon filter cartridge to the top of the tank body, thereby making it convenient for the staff to remove the activated carbon filter cartridge and replace the activated carbon.

[0010] Optionally, the cleaning assembly includes a mounting plate, one end of the mounting plate is set on the support seat, a drive shaft is rotatably set on the mounting plate, a first cleaning rod is set on the top of the drive shaft, a plurality of bristles are evenly arranged on the first cleaning rod, a connecting rod is set on the drive shaft, a cleaning scraper is set on the connecting rod, the cleaning scraper is in contact with the inner wall of the tank body, a power motor is fixedly set on the mounting plate, a drive gear is set on the output shaft of the power motor, a driven gear is coaxially set on the drive shaft, and the drive gear is meshed with the driven gear.

[0011] By adopting the above technical solution, the cleaning component can clean the inner wall of the tank body, reduce the accumulation of impurities in the tank body, and thus improve the filtering effect.

[0012] Optionally, the fixing assembly includes multiple fixing seats, and the multiple fixing seats are evenly arranged on the limit ring. The fixing seats are passed through the activated carbon filter cartridge, and the fixing seats are hollow. Limiting blocks are slidably arranged on both sides of the fixing seat, and a reset spring is provided on the limit block. The other end of the reset spring is connected to the inner wall of the fixing seat. A power block is slidably provided inside the fixing seat, and a driving ring is slidably provided on the inside of the tank body. The bottom of the power block is connected to the driving ring, and a lifting screw is provided on the limit ring, and the bottom of the lifting screw is connected to the driving ring.

[0013] By adopting the above technical solution, the fixing assembly fixes the activated carbon filter cartridge on the limiting ring.

[0014] Optionally, a driving rod is provided at the top of the lifting screw, a driving handwheel is provided at the top of the driving rod, a cross-shaped mounting block is provided at the bottom of the driving rod, and a mounting groove is provided at the top of the lifting screw to facilitate connection of the mounting block.

[0015] By adopting the above technical solution, the driving rod and the lifting screw are detachably connected, so that the driving rod can be removed after the fixing assembly is driven to fix the installation position of the activated carbon filter cartridge, thereby not affecting the installation of the cover.

[0016] Optionally, the cover is arranged on the top of the tank body, and the cover is rotatably arranged on the mounting seat through a rotating shaft. A plurality of bolts are evenly arranged on the cover, and the cover is connected to the tank body through the bolts.

[0017] By adopting the above technical solution, the staff pushes the cover to rotate it to the top of the tank body with the rotating shaft as the center, and then uses multiple bolts to connect the cover to the tank body.

[0018] Optionally, the limiting ring and the top of the tank body are both provided with sealing rings.

[0019] By adopting the above technical solution, the sealing between the cover and the tank body and the sealing between the activated carbon filter cartridge and the limiting ring can be improved.

[0020] Optionally, a liquid inlet pipe is connected to the side wall of the tank body, a sewage discharge pipe is connected to the bottom of the tank body, and a liquid outlet pipe is connected to the top of the cover. Flanges are provided on the liquid inlet pipe, sewage discharge pipe and liquid outlet pipe.

[0021] By adopting the above technical solution, during the production process, the liquid to be filtered enters the interior of the tank from the liquid inlet pipe, and then enters the activated filter cartridge through the through hole at the bottom of the activated carbon filter cartridge. After being adsorbed by the activated carbon, it flows out from the liquid outlet pipe. During the filtration process, some impurities will settle at the bottom of the tank. A valve is installed on the sewage pipe so that impurities can be easily discharged through the sewage pipe when cleaning is required.

[0022] Optionally, a lifting handle is provided on the top of the activated carbon filter cartridge, and both ends of the lifting handle are rotatably provided on the activated carbon filter cartridge.

[0023] By adopting the above technical solution, it is convenient for workers to move the activated carbon filter cartridge after holding it.

[0024] Optionally, a plurality of supporting legs are evenly arranged on the bottom of the tank body.

[0025] By adopting the above technical solution, the support legs can improve the stability of the device when it is placed.

[0026] The utility model has the following advantages:

[0027] 1. By setting up a lifting component, a fixing component and a cleaning component, the fixing component is convenient for improving the connection stability between the activated carbon filter cartridge and the limit ring, the cleaning component can clean the inner wall of the tank, and the lifting component is convenient for lifting the position of the activated carbon filter cartridge and the cleaning component, thereby facilitating maintenance operations for staff;

[0028] 2. The cover is rotated on the mounting base by a rotating shaft, so that when removing the cover, the cover is rotated to an opening position away from the top of the tank body;

[0029] 3. By rotating a lifting handle on the top of the activated carbon filter cartridge, it is convenient for staff to move the activated carbon filter cartridge. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0031] Figure 2 This is a schematic diagram of the installation structure of the activated carbon filter cartridge;

[0032] Figure 3 This is a schematic diagram of the installation structure of the lifting screw and the fixing seat;

[0033] Figure 4 Schematic diagram of the installation mechanism of the lifting assembly;

[0034] Figure 5 This is a schematic diagram of the installation structure of the cleaning component;

[0035] Figure 6 Schematic diagram of the installation structure of the limit block and the return spring;

[0036] In the figure: 1. Tank body; 11. Sealing cover; 111. Rotating shaft; 112. Bolt; 12. Support base; 13. Limiting ring; 14. Mounting base; 15. Sealing ring; 16. Liquid inlet pipe; 17. Drain pipe; 18. Liquid outlet pipe; 19. Flange; 2. Activated carbon filter cartridge; 21. Through hole; 3. Cleaning assembly; 31. Mounting plate; 32. Drive shaft; 33. First cleaning rod; 331. Brush; 34. Connecting rod; 341. Cleaning scraper; 35 , power motor; 36, driving gear; 37, driven gear; 4, lifting assembly; 41, lifting bin; 42, lifting rack; 43, lifting gear; 44, driving motor; 5, fixing assembly; 51, fixing seat; 52, limit block; 53, return spring; 54, power block; 55, driving ring; 56, lifting screw; 6, driving rod; 61, driving handwheel; 62, mounting block; 63, mounting slot; 64, lifting handle; 65, support foot. DETAILED DESCRIPTION

[0037] The present invention will be further described below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited to the following description.

[0038] like Figures 1 to 6 As shown, an activated carbon filter comprises a tank body 1, a sealing cover 11 and an activated carbon filter cartridge 2. A plurality of through holes 21 are evenly opened at the bottom of the activated carbon filter cartridge 2. A support base 12 for supporting the activated carbon filter tank is slidably mounted on the inner wall of the tank body 1. A cleaning assembly 3 for cleaning the interior of the tank body 1 is mounted at the bottom of the support base 12. A lifting assembly 4 for lifting the support base 12 is also mounted on the tank body 1. A limiting ring 13 is mounted inside the tank body 1. A fixing assembly 5 for fixing the activated carbon filter cartridge 2 is mounted on the limiting ring 13. When in use, the liquid to be filtered enters the interior of the tank body 1. Then it passes through the multiple through holes 21 at the bottom of the activated carbon filter cartridge 2, and is then adsorbed by the activated carbon and discharged. The cleaning component 3 can clean the inner wall of the tank body 1, thereby reducing the adhesion of impurities on the inner wall of the tank body 1 and improving the filtering effect. The lifting component 4 can lift the support seat 12, so as to facilitate the lifting of the activated carbon filter cartridge 2 and the cleaning component 3 to the opening position of the tank body 1, so as to facilitate the staff to replace the activated carbon in the activated carbon filter cartridge 2 and facilitate the inspection of the cleaning component 3. The fixing component 5 can improve the connection stability between the activated carbon filter cartridge 2 and the limit ring 13.

[0039] like Figures 1 to 6 As shown, the lifting assembly 4 includes a lifting warehouse 41, a lifting rack 42, a lifting gear 43 and a drive motor 44. The top of the tank body 1 is installed with a mounting seat 14. The lifting warehouse 41 is installed on the side wall of the tank body 1 along the vertical direction and is connected to the interior of the tank body 1. The lifting rack 42 is slidably installed in the lifting warehouse 41, and the top of the lifting rack 42 is slidably penetrated on the mounting seat 14. The bottom of the lifting rack 42 is connected to the support seat 12. The lifting gear 43 is rotatably installed at the bottom of the mounting seat 14. The lifting gear 43 is engaged with the lifting rack 42. The drive motor 44 is fixedly installed on the mounting seat 14. The drive motor 44 The output shaft is coaxially connected to the lifting gear 43; when in use, the sealing cover 11 is moved away from the opening position on the top of the tank body 1, and then the driving motor 44 is started. The driving motor 44 will drive the lifting gear 43 to rotate during rotation, and the lifting gear 43 will drive the lifting rack 42 to move in the vertical direction during rotation. The lifting rack 42 will drive the support seat 12 to move during movement, and the support seat 12 will drive the activated carbon filter cartridge 2 to be lifted from the inside of the tank body 1 to the top of the tank body 1 during movement, so that the staff can take out the activated carbon filter cartridge 2 from the inside of the tank body 1. The operation process is simple and convenient, and the labor intensity is low.

[0040] like Figures 1 to 6As shown, the cleaning assembly 3 includes a mounting plate 31, one end of the mounting plate 31 is fixedly mounted on the support seat 12, a driving shaft 32 is rotatably mounted on the mounting plate 31, a first cleaning rod 33 is mounted on the top of the driving shaft 32, a plurality of bristles 331 are evenly mounted on the first cleaning rod 33, a connecting rod 34 is mounted on the driving shaft 32, a cleaning scraper 341 is mounted on the connecting rod 34, the cleaning scraper 341 is in contact with the inner wall of the tank body 1, a power motor 35 is fixedly mounted on the mounting plate 31, a driving gear 36 is coaxially mounted on the output shaft of the power motor 35, a driven gear 37 is coaxially mounted on the driving shaft 32, and the driving gear 36 is meshed with the driven gear 37; when in use, the power motor 35 is started, and the driving gear 36 will be driven to rotate during the rotation of the power motor 35, and the driving gear 36 will rotate during the rotation of the driving gear 36. The driven gear 37 will be driven to rotate, and the rotation of the driven gear 37 will drive the driving shaft 32 to rotate. The rotation of the driving shaft 32 will drive the first cleaning rod 33 and the cleaning scraper 341 to rotate synchronously. The first cleaning rod 33 will scrub and dredge the through hole 21 at the bottom of the activated carbon filter cartridge 2 to prevent impurities in the solution from clogging the through hole 21 and reducing the filtration quality during the filtration process. The cleaning scraper 341 will clean the inner wall of the tank body 1 during rotation to reduce the impurity content accumulated in the tank body 1; when the lifting component 4 drives the activated carbon filter cartridge 2 and the support seat 12 to lift, it will drive the cleaning component 3 to lift synchronously to facilitate the staff to inspect and repair the cleaning component 3. In this embodiment, a waterproof shell is installed on the outside of the power motor 35 to protect the motor.

[0041] like Figures 1 to 6As shown, the fixing assembly 5 includes a plurality of fixing seats 51, and the plurality of fixing seats 51 are evenly mounted on the limiting ring 13. The fixing seats 51 are provided on the activated carbon filter cartridge 2. The fixing seats 51 are hollow. Limiting blocks 52 are slidably mounted on both sides of the fixing seats 51. A return spring 53 is mounted on the limiting block 52. The other end of the return spring 53 is connected to the inner wall of the fixing seat 51. A power block 54 is slidably mounted inside the fixing seat 51. A driving ring 55 is slidably mounted on the inside of the tank body 1. The bottom of the power block 54 is connected to the driving ring 55. A lifting screw 56 is installed on the limiting ring 13, and the bottom of the lifting screw 56 is connected to the driving ring 55. When in use, the staff places the activated carbon filter cartridge 2 on the support seat 12, and then gradually places the activated carbon filter cartridge 2 inside the tank body 1 through the lifting assembly 4. When the top of the activated carbon filter cartridge 2 contacts the limiting ring 13, the limiting ring 13 plays a certain supporting role on the activated carbon filter cartridge 2. In the process of contact between the top of the activated carbon filter cartridge 2 and the limiting ring 13, the fixing seat 51 on the limiting ring 13 will penetrate the activated carbon filter cartridge 2. The filter cartridge 2 is mounted on the filter cartridge 2, and then the lifting screw 56 is driven to rotate. The lifting screw 56 is threadedly connected to the limit ring 13. During the rotation of the lifting screw 56, the driving ring 55 is driven to move in the vertical direction. During the movement of the driving ring 55, multiple power blocks 54 are driven to move synchronously. The power block 54 is slidably connected to the two limit blocks 52. During the movement of the power block 54, the limit block 52 is driven to extend out of the fixed seat 51, and the return spring 53 is compressed. The extended limit block 52 will have the effect of limiting and fixing the activated carbon filter cartridge 2, and the fixed assembly Component 5 can make the connection between the activated carbon filter cartridge 2 and the limiting ring 13 tight, thereby preventing the filtered liquid from leaking out of the gap between the activated carbon filter cartridge 2 and the limiting ring 13 without being filtered by the activated carbon to a certain extent; when the activated carbon filter cartridge 2 needs to be removed, the lifting screw 56 is driven to rotate in the opposite direction, thereby driving the power block 54 to move in the direction away from the fixed seat 51. Under the action of the return spring 53, the limiting block 52 will retract into the inside of the fixed seat 51, thereby preventing the limiting block 52 from affecting the movement of the activated carbon filter cartridge 2.

[0042] like Figures 1 to 6As shown, a driving rod 6 is installed on the top of the lifting screw 56, and a driving handwheel 61 is installed on the top of the driving rod 6. A cross-shaped mounting block 62 is fixedly provided at the bottom of the driving rod 6. The mounting block 62 is made integrally with the driving rod 6, and a mounting groove 63 is provided on the top of the lifting screw 56 for connecting with the mounting block 62. When in use, the mounting block 62 is inserted into the mounting groove 63, and then the driving handwheel 61 is rotated. The driving handwheel 61 will drive the lifting screw 56 to rotate during the rotation, and the lifting screw 56 will be lifted and lowered in the vertical direction during the rotation, so as to facilitate the adjustment of the position of the power block 54. The driving rod 6 and the lifting screw 56 are detachably connected, so that the driving rod 6 can be removed after the fixing assembly 5 is driven to fix the installation position of the activated carbon filter cartridge 2, thereby not affecting the installation of the cover 11.

[0043] like Figures 1 to 6 As shown, the cover 11 is installed on the top of the tank body 1, and the cover 11 is rotatably installed on the mounting base 14 through the rotating shaft 111. A plurality of bolts 112 are evenly installed on the cover 11, and the cover 11 is connected to the tank body 1 through the bolts 112; when in use, the staff pushes the cover 11 to rotate the cover 11 to the top of the tank body 1 with the rotating shaft 111 as the center, and then uses a plurality of bolts 112 to connect the cover 11 to the tank body 1; when the activated carbon needs to be replaced, the bolts 112 are removed, and then the cover 11 is rotated so that the cover 11 is located on the side away from the opening of the tank body 1, so that the staff can take the activated carbon filter cartridge 2 out of the tank body 1.

[0044] like Figures 1 to 6 As shown, a sealing ring 15 is installed on the limiting ring 13 and the top of the tank body 1; by providing the sealing ring 15, the sealing between the cover 11 and the tank body 1 and the sealing between the activated carbon filter cartridge 2 and the limiting ring 13 can be improved, thereby avoiding liquid overflow to a certain extent and reducing the filtering effect.

[0045] like Figures 1 to 6 As shown, a liquid inlet pipe 16 is installed on the side wall of the tank body 1, a sewage pipe 17 is installed on the bottom of the tank body 1, and a liquid outlet pipe 18 is installed on the top of the cover 11. Flanges 19 are installed on the liquid inlet pipe 16, the sewage pipe 17 and the liquid outlet pipe 18. During the production process, the liquid to be filtered enters the interior of the tank body 1 from the liquid inlet pipe 16, and then enters the activated filter cartridge 2 through the through hole 21 at the bottom of the activated carbon filter cartridge 2. After being adsorbed by the activated carbon, it flows out from the liquid outlet pipe 18. During the filtration process, some impurities will settle at the bottom of the tank body 1. A valve is installed on the sewage pipe 17. When cleaning is required, impurities can be easily discharged through the sewage pipe 17. The flange 19 is a commonly used connection method between liquid pipelines. It is easy to install and has good sealing performance.

[0046] like Figures 1 to 6As shown, a lifting handle 64 is installed on the top of the activated carbon filter cartridge 2, and both ends of the lifting handle 64 are rotatably installed on the activated carbon filter cartridge 2. By installing the lifting handle 64 on the top of the activated carbon filter cartridge 2, when the staff needs to take out the activated carbon filter cartridge 2, the lifting handle 64 is rotated to a vertical direction, so that the staff can hold it, and then move the activated carbon filter cartridge 2. After the staff places the activated carbon filter cartridge 2 in the tank body 1, the lifting handle 64 is rotated to a position flush with the top of the activated carbon filter cartridge 2, so as to facilitate the storage of the lifting handle 64 without affecting the installation of the cover 11.

[0047] like Figures 1 to 6 As shown, a plurality of supporting legs 65 are evenly installed on the bottom of the tank body 1; by providing a plurality of supporting legs 65 on the tank body 1, the stability of the equipment when placed is improved, and it is convenient for the staff to carry out daily cleaning and maintenance work. In this embodiment, the supporting legs 65 are welded to the tank body 1, and in other embodiments, bolting can also be used.

[0048] The implementation principle of this embodiment is: when in use, the liquid to be filtered enters the interior of the tank body 1 and passes through the multiple through holes 21 at the bottom of the activated carbon filter cartridge 2, and is then adsorbed by the activated carbon and discharged. The cleaning component 3 can clean the inner wall of the tank body 1, thereby reducing the adhesion of impurities on the inner wall of the tank body 1 and improving the filtering effect. The lifting component 4 can lift the support seat 12, so as to facilitate the lifting of the activated carbon filter cartridge 2 and the cleaning component 3 to the opening position of the tank body 1, so as to facilitate the staff to replace the activated carbon in the activated carbon filter cartridge 2 and facilitate the inspection and maintenance of the cleaning component 3. The fixing component 5 can improve the connection stability between the activated carbon filter cartridge 2 and the limit ring 13.

[0049] The above description is merely a preferred embodiment of the present invention and does not constitute any form of limitation on the present invention. Any person skilled in the art can, without departing from the scope of the present invention, utilize the above-described technical content to make many possible changes and modifications to the present invention, or modify it into an equivalent embodiment with equivalent variations. Therefore, any changes, modifications, equivalent variations, and modifications made to the above embodiments based on the technology of the present invention that do not depart from the content of the present invention are within the scope of protection of the present invention.

Claims

1. An activated carbon filter, characterized in that: The invention comprises a tank body (1), a sealing cover (11) and an activated carbon filter cartridge (2), wherein a plurality of through holes (21) are evenly provided on the bottom of the activated carbon filter cartridge (2), a support seat (12) for supporting the activated carbon filter cartridge is slidably provided on the inner wall of the tank body (1), a cleaning component (3) for cleaning the interior of the tank body (1) is provided at the bottom of the support seat (12), a lifting component (4) for lifting the support seat (12) is further provided on the tank body (1), a limiting ring (13) is provided inside the tank body (1), and a fixing component (5) for fixing the activated carbon filter cartridge (2) is provided on the limiting ring (13).

2. An activated carbon filter according to claim 1, characterized in that: The lifting assembly (4) includes a lifting bin (41), a lifting rack (42), a lifting gear (43) and a driving motor (44). A mounting seat (14) is provided on the top of the tank body (1). The lifting bin (41) is vertically arranged on the side wall of the tank body (1) and is connected to the interior of the tank body (1). The lifting rack (42) is slidably arranged in the lifting bin (41), and the top of the lifting rack (42) is slidably penetrated on the mounting seat (14). The bottom of the lifting rack (42) is connected to the support seat (12). The lifting gear (43) is rotatably arranged on the bottom of the mounting seat (14). The lifting gear (43) is meshed with the lifting rack (42). The driving motor (44) is fixedly arranged on the mounting seat (14). The output shaft of the driving motor (44) is coaxially connected to the lifting gear (43).

3. The activated carbon filter according to claim 1, characterized in that: The cleaning assembly (3) comprises a mounting plate (31), one end of the mounting plate (31) is arranged on the support seat (12), a driving shaft (32) is rotatably arranged on the mounting plate (31), a first cleaning rod (33) is arranged on the top of the driving shaft (32), a plurality of bristles (331) are evenly arranged on the first cleaning rod (33), a connecting rod (34) is arranged on the driving shaft (32), a cleaning scraper (341) is arranged on the connecting rod (34), and the cleaning scraper (341) is in contact with the inner wall of the tank body (1), a power motor (35) is fixedly arranged on the mounting plate (31), a driving gear (36) is arranged on the output shaft of the power motor (35), a driven gear (37) is coaxially arranged on the driving shaft (32), and the driving gear (36) is meshed with the driven gear (37).

4. The activated carbon filter according to claim 1, characterized in that: The fixing assembly (5) includes a plurality of fixing seats (51), and the plurality of fixing seats (51) are evenly arranged on the limiting ring (13). The fixing seats (51) are inserted into the activated carbon filter cartridge (2). The fixing seats (51) are hollow, and limiting blocks (52) are slidably arranged on both sides of the fixing seat (51). A return spring (53) is arranged on the limiting block (52), and the other end of the return spring (53) is connected to the inner wall of the fixing seat (51). A power block (54) is slidably arranged inside the fixing seat (51), and a driving ring (55) is slidably arranged inside the tank body (1). The bottom of the power block (54) is connected to the driving ring (55). A lifting screw (56) is arranged on the limiting ring (13), and the bottom of the lifting screw (56) is connected to the driving ring (55).

5. An activated carbon filter according to claim 4, characterized in that: A driving rod (6) is provided at the top of the lifting screw (56), a driving hand wheel (61) is provided at the top of the driving rod (6), a cross-shaped mounting block (62) is provided at the bottom of the driving rod (6), and a mounting groove (63) is provided at the top of the lifting screw (56) for connecting to the mounting block (62).

6. The activated carbon filter according to claim 2, characterized in that: The cover (11) is arranged on the top of the tank body (1), and the cover (11) is rotatably arranged on the mounting seat (14) via a rotating shaft (111). A plurality of bolts (112) are evenly arranged on the cover (11), and the cover (11) is connected to the tank body (1) via the bolts (112).

7. The activated carbon filter according to claim 1, characterized in that: The limiting ring (13) and the top of the tank body (1) are both provided with a sealing ring (15).

8. The activated carbon filter according to claim 1, characterized in that: A liquid inlet pipe (16) is connected to the side wall of the tank body (1), a sewage discharge pipe (17) is connected to the bottom of the tank body (1), and a liquid outlet pipe (18) is connected to the top of the cover (11). Flanges (19) are provided on the liquid inlet pipe (16), the sewage discharge pipe (17), and the liquid outlet pipe (18).

9. The activated carbon filter according to claim 1, characterized in that: A lifting handle (64) is provided on the top of the activated carbon filter cartridge (2), and both ends of the lifting handle (64) are rotatably arranged on the activated carbon filter cartridge (2).

10. The activated carbon filter according to claim 1, characterized in that: A plurality of supporting feet (65) are evenly arranged on the bottom of the tank body (1).

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