Ultrafiltration equipment in industrial sewage treatment process
By designing an ultrafiltration equipment combining gravity and flow guide, the high cost problem caused by the use of high-power water pumps in the existing sewage treatment process is solved, and the efficient and economical sewage treatment is achieved.
Patent Information
- Application Number
- CN202411589684.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-08
- Publication Date
- 2025-02-11
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
In the existing sewage treatment process, the use of high-power water pumps leads to higher sewage treatment costs.
Design an ultrafiltration equipment in industrial sewage treatment process, using the structure of the sewage tank and filter cartridge, combined with gravity and the design of the flow guide, realize the sewage flows by itself and filters through the ultrafiltration membrane, reducing the dependence on the power of the water pump .
By reducing dependence on high-power water pumps, the cost of sewage treatment is reduced, while improving the efficiency of sewage treatment.
Smart Images
Figure CN119406246A_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of ultrafiltration equipment, and in particular to an ultrafiltration equipment used in an industrial wastewater treatment process. Background Art
[0002] Ultrafiltration membrane is a polymer semipermeable membrane with a pore size of 1 to 100 nm made of cellulose acetate, cellulose acetate ester, polyethylene, etc. It uses pressure as a driving force and can separate polymer colloids or suspended particles of a certain size from a solution. In the initial treatment of existing sewage, ultrafiltration membranes are used for filtration and precipitation. During the filtration process, sewage needs to be pumped in with a water pump so that the sewage can pass through the ultrafiltration membrane to achieve the purpose of filtration. In order to increase the filtration efficiency, a high-power water pump is usually used. However, the use of a high-power water pump will result in higher costs. Summary of the invention
[0003] In order to reduce the cost of sewage treatment, the present application provides an ultrafiltration device in an industrial sewage treatment process.
[0004] The present application provides an ultrafiltration device in an industrial wastewater treatment process using the following technical solution: An ultrafiltration device in an industrial sewage treatment process comprises a sewage tank and a filter cartridge arranged at the lower part of the sewage tank, the filter cartridge is connected to the sewage tank, an ultrafiltration membrane is coaxially arranged in the filter cartridge, the ultrafiltration membrane is cylindrical, the lower part of the filter cartridge is coaxially connected to a sewage pipe, and the peripheral wall of the filter cartridge is connected to a drainage pipe; a first push plate is arranged at the upper part of the water tank, the first push plate is located in the sewage tank and divides the interior of the sewage tank into two cavities, the upper cavity is the first cavity, and the lower cavity is the second cavity, the second cavity is used to store sewage, the first push plate is slidably connected to the sewage tank in a vertical direction, a drive box is arranged on one side of the sewage tank, the upper part of the drive box is connected to the first cavity by a connecting pipe, a second push plate is arranged in the drive box, and the drive box is provided with a first driving member that drives the second push plate to slide, the first cavity, the connecting pipe and the drive box are located at the upper part of the second push plate and are filled with water, and the cross-sectional area of the drive box is smaller than the cross-sectional area of the sewage tank.
[0005] By adopting the above technical solution, a sewage tank is arranged above the filter cartridge. Under the action of the gravity of the sewage, the sewage can flow from the sewage tank to the filter cartridge, and the action of gravity is conducive to the sewage passing through the ultrafiltration membrane, thereby filtering the sewage and saving the sewage treatment cost; and a first push plate and a second push plate are provided, the area of the first push plate is larger than the area of the second push plate, and the water network filter cartridge in the sewage tank can be pushed by a smaller force, so that the first driving member can select a smaller power, thereby achieving the purpose of saving costs.
[0006] Optionally, a first rotating shaft is provided in the filter cartridge, the first rotating shaft is coaxially rotatably connected to the filter cartridge, the first rotating shaft is located inside the ultrafiltration membrane, a plurality of first guide vanes are provided on the peripheral wall of the first rotating shaft, the plurality of first guide vanes are distributed around the axial direction of the first rotating shaft, the first guide vanes are used to force the sewage to move in a direction away from the first rotating shaft, and the filter cartridge is provided with a second driving member for driving the first rotating shaft.
[0007] By adopting the above technical solution, a first rotating shaft is provided, and a first guide plate is provided on the first rotating shaft. When the second driving member drives the first rotating shaft to rotate, the first guide plate can force the water in the filter cartridge to move along the radial direction of the filter cartridge away from the axis of the filter cartridge, thereby making it easier for the sewage to be filtered through the ultrafiltration membrane, thereby improving the sewage treatment efficiency.
[0008] Optionally, the second driving member includes a second rotating shaft and a plurality of blades, wherein the plurality of blades are arranged in a circular array around the axis of the second rotating shaft, the blades are arranged on the outer peripheral wall of the second rotating shaft, the blades are arranged in a spiral shape, and the first rotating shaft is coaxially connected to the second rotating shaft.
[0009] By adopting the above technical solution, when sewage flows through the position where the blades are located, the blades and the second rotating shaft can be forced to rotate, thereby driving the first rotating shaft to rotate, and then forcing the sewage to move in the direction close to the ultrafiltration membrane through the first guide plate.
[0010] Optionally, a third cavity is opened in the second rotating shaft, and a first rotating rod is arranged on the side of the blade close to the second rotating shaft. The axial direction of the first rotating rod is parallel to the radial direction of the second rotating shaft. The first rotating rod is connected to the second rotating shaft and penetrates into the third cavity by rotating around the axis. A driving component for driving the first rotating rod to rotate is arranged on the second rotating shaft.
[0011] By adopting the above technical solution, the blades are rotatably connected to the second rotating shaft through the first rotating rod, so that the inclination angle of the blades can be adjusted by the driving component. The larger the inclination angle, the greater the impact force of the water flow on the blades, and the faster the speed of the second rotating shaft.
[0012] Optionally, the driving assembly includes a second rotating rod, a first gear, a second gear and a first adjusting sleeve, the second rotating rod is located in the third cavity and is rotatably connected to the upper cavity wall of the third cavity, the first gear is arranged on the first rotating rod, the second gear is arranged on the second rotating rod, the first gear is meshed with the second gear, the first adjusting sleeve is rotatably sleeved on the second rotating shaft, and the first adjusting sleeve is provided with a first connecting rod, and the first connecting rod is used to be connected to the second rotating rod.
[0013] By adopting the above technical solution, when the inclination angle of the blade needs to be adjusted, the first adjustment sleeve is rotated, and the second rotating rod is driven to rotate after the first adjustment sleeve is rotated, thereby driving the first gear to rotate through the second gear, thereby controlling the inclination angle of the blade.
[0014] Optionally, the first adjustment sleeve is slidably connected to the second adjustment sleeve along the vertical direction, the outer peripheral wall of the second rotating shaft is surrounded by a first limiting tooth, the first limiting tooth is located below the first adjustment sleeve, and the inner wall of the second adjustment sleeve is surrounded by a second limiting tooth.
[0015] By adopting the above technical solution, after adjusting the inclination angle of the blade, it is necessary to limit the rotation of the blade, and the second adjusting sleeve is slid downward so that the second limiting tooth is clamped in the first limiting tooth, thereby limiting the second adjusting sleeve, and then limiting the first adjusting sleeve and the blade; and when adjustment is required, the second adjusting sleeve is slid upward to contact the limit of the second adjusting sleeve.
[0016] Optionally, a lifting assembly is provided in the sewage tank, and the lifting assembly is located in the first cavity and is used to pull the first push plate to slide upward.
[0017] By adopting the above technical solution, when the sewage tank needs to be filled with sewage, the second push plate is forced to slide downward, and then the first push plate is pulled upward by the lifting assembly to facilitate the sewage to enter the second cavity.
[0018] Optionally, the lifting assembly includes a third rotating rod, a winding drum, a lifting rope and a driving motor, both ends of the third rotating rod are rotatably connected to the sewage tank, the winding drum is coaxially arranged on the third rotating rod, one end of the lifting rope is connected to the winding drum, and the other end of the lifting rope is connected to the first push plate, and the driving motor is fixed to the outer wall of the sewage tank to drive the third rotating rod to rotate.
[0019] By adopting the above technical solution, when the first push plate needs to be pulled upward, the driving motor drives the third rotating rod to rotate upward, thereby winding the pulling rope to force the first push plate to move upward.
[0020] Optionally, a clamping block is fixedly connected to the outer peripheral wall of the upper part of the filter cartridge, and two clamping blocks are provided. The two clamping blocks are symmetrically arranged, and a clamping ring corresponding to the connecting port is provided at the lower part of the sewage tank. A first clamping groove corresponding to the clamping block is penetrated through the peripheral wall of the clamping ring, and the first clamping groove is L-shaped. A second clamping groove for clamping the clamping block is provided on the bottom wall of the horizontally extending end of the first clamping groove, and the width of the second clamping groove is the same as the width of the clamping block.
[0021] By adopting the above technical solution, the filter cartridge can be detachably connected to the sewage tank, so that the filter cartridge can be removed from the sewage tank, so as to facilitate the adjustment of the inclination angle of the blade. When installing the filter cartridge, the filter cartridge is clamped in the clamping ring, and the clamping block is clamped in the first clamping groove, and then the filter cartridge is rotated so that the clamping block is located above the second clamping groove, and then the filter cartridge is loosened so that the clamping block is clamped in the second clamping groove.
[0022] In summary, the present invention has the following beneficial effects: 1. A sewage tank is arranged above the filter cartridge. Under the action of the gravity of the sewage, the sewage can flow from the sewage tank to the filter cartridge, and the action of gravity is conducive to the sewage passing through the ultrafiltration membrane, thereby filtering the sewage and saving the sewage treatment cost; and a first push plate and a second push plate are arranged. The area of the first push plate is larger than the area of the second push plate, so that the water network filter cartridge in the sewage tank can be pushed by a smaller force, so that the first driving member can select a smaller power, thereby achieving the purpose of saving costs; 2. After adjusting the inclination angle of the blade, it is necessary to limit the rotation of the blade. Slide the second adjustment sleeve downward so that the second limiting tooth is clamped in the first limiting tooth, thereby limiting the second adjustment sleeve, and then limiting the first adjustment sleeve and the blade. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 It is a structural schematic diagram of this embodiment; Figure 2 Schematic diagram of the internal structure of the sewage tank in this embodiment; Figure 3 Schematic diagram of the installation of the filter cartridge in this embodiment; Figure 4 yes Figure 2 The enlarged schematic diagram of point A in the middle; Figure 5 is a schematic diagram of the internal structure of the second rotating shaft in this embodiment; Figure 6 yes Figure 5 The enlarged schematic diagram of point B in the middle; Figure 7 Schematic diagram of the structure of the first limiting tooth in this embodiment.
[0024] In the figure, 1, sewage tank; 11, first cavity; 12, second cavity; 13, first push plate; 14, clamping ring; 141, first clamping groove; 142, second clamping groove; 15, second guide plate; 2, filter cartridge; 21, ultrafiltration membrane; 22, first rotating shaft; 221, first guide plate; 23, second connecting rod; 231, rotating plate; 24, clamping block; 3, driving box; 31, second push plate; 32, hydraulic cylinder; 4, lifting assembly; 41, third Rotating rod; 42, winding drum; 43, pulling rope; 5, second driving member; 51, second rotating shaft; 511, third cavity; 512, avoidance groove; 513, first limiting tooth; 52, paddle; 521, first rotating rod; 6, driving assembly; 61, first gear; 62, second gear; 63, second rotating rod; 64, first adjusting sleeve; 641, first connecting rod; 65, second adjusting sleeve; 651, third connecting rod; 652, second limiting tooth. DETAILED DESCRIPTION
[0025] The following is combined with Figure 1-7 This application is described in further detail.
[0026] The present application embodiment discloses an ultrafiltration device in an industrial wastewater treatment process, referring to Figure 1 , including a sewage tank 1 and a filter cartridge 2 arranged at the lower part of the sewage tank 1 , wherein a plurality of filter cartridges 2 are provided, and the plurality of filter cartridges 2 are distributed along the length direction of the sewage tank 1 , and the filter cartridges 2 are connected to the sewage tank 1 .
[0027] Reference Figure 1 and Figure 2 The sewage tank 1 is provided with a first push plate 13, which is located in the sewage tank 1 and divides the interior of the sewage tank 1 into two cavities, the upper cavity is the first cavity 11, and the lower cavity is the second cavity 12, and the second cavity 12 is used to store sewage. The first push plate 13 is slidably connected to the sewage tank 1 in the vertical direction, and a driving box 3 is fixedly connected to the side wall of one side of the sewage tank 1. The upper part of the driving box 3 is connected to the first cavity 11 by a connecting pipe. A second push plate 31 is provided in the driving box 3, and the second push plate 31 is slidably connected to the driving box 3 in the vertical direction. The first cavity 11, the connecting pipe and the driving box 3 located at the upper part of the second push plate 31 are filled with water. The cross-sectional area of the driving box 3 is smaller than the cross-sectional area of the sewage tank 1, and the cross-sectional area of the second push plate 31 is smaller than the cross-sectional area of the first push plate 13.
[0028] Reference Figure 1 and Figure 2 The driving box 3 is provided with a first driving member for driving the second push plate 31 to slide. The first driving member is a hydraulic cylinder 32 . The cylinder body of the hydraulic cylinder 32 is fixedly connected to the driving box 3 , and the piston rod of the hydraulic cylinder 32 is fixedly connected to the second push plate 31 .
[0029] Reference Figure 1 and Figure 2 A lifting assembly 4 is provided in the sewage tank 1. The lifting assembly 4 is located in the first cavity 11 and is used to pull the first push plate 13 to slide upward. The lifting assembly 4 includes a third rotating rod 41, a winding drum 42, a lifting rope 43 and a driving motor. The length direction of the third rotating rod 41 is parallel to the width direction of the sewage tank 1. Both ends of the third rotating rod 41 are rotatably connected to the sewage tank 1. The winding drum 42 is coaxially fixedly connected to the third rotating rod 41. One end of the lifting rope 43 is fixedly connected to the winding drum 42, and the other end of the lifting rope 43 is fixedly connected to the first push plate 13. The driving motor is fixed to the outer wall of the sewage tank 1, and the output shaft of the driving motor is coaxially fixedly connected to the third rotating rod 41 to drive the third rotating rod 41 to rotate.
[0030] Reference Figure 2 and Figure 3 The outer peripheral wall of the upper part of the filter cartridge 2 is fixedly connected with a clamping block 24, and two clamping blocks 24 are provided, and the two clamping blocks 24 are symmetrically arranged. The lower part of the sewage tank 1 is provided with a connecting port corresponding to the filter cartridge 2, and the lower part of the sewage tank 1 is provided with a clamping ring 14 corresponding to the connecting port, and the clamping ring 14 is coaxially arranged with the connecting port. The peripheral wall of the clamping ring 14 is penetrated with a first clamping groove 141 corresponding to the clamping block 24, and the first clamping groove 141 is L-shaped. The bottom wall of the horizontally extending end of the first clamping groove 141 is provided with a second clamping groove 142 for clamping the clamping block 24, and the width of the second clamping groove 142 is the same as the width of the clamping block 24.
[0031] Reference Figure 4 An ultrafiltration membrane 21 is coaxially fixedly connected inside the filter cartridge 2. The ultrafiltration membrane 21 is cylindrical and divides the filter cartridge 2 into two chambers. A sewage pipe is coaxially connected to the lower part of the filter cartridge 2, and the sewage pipe is connected to the inner chamber. A drainage pipe is connected to the peripheral wall of the filter cartridge 2, and the drainage pipe is connected to the outer chamber for discharging filtered water.
[0032] Reference Figure 4 A first rotating shaft 22 is provided in the filter cartridge 2, the first rotating shaft 22 is coaxially arranged with the filter cartridge 2, and the first rotating shaft 22 is rotatably connected to the filter cartridge 2. A plurality of first guide vanes 221 are provided on the peripheral wall of the first rotating shaft 22, and the plurality of first guide vanes 221 are arranged in a circumferential array around the axis direction of the first rotating shaft 22, and the length direction of the first guide vanes 221 is parallel to the axis direction of the first rotating shaft 22. The filter cartridge 2 is provided with a second driving member 5 for driving the first rotating shaft 22, and the first rotating shaft 22 is driven to rotate by the second driving member 5, so as to force water to move in the radial direction of the filter cartridge 2 in a direction away from the axis direction of the filter cartridge 2.
[0033] Reference Figure 4 and Figure 5The second driving member 5 includes a second rotating shaft 51 and a plurality of paddles 52. The second rotating shaft 51 and the first rotating shaft 22 are coaxially arranged, and the lower end of the second rotating shaft 51 is fixedly connected to the first rotating shaft 22. The filter cartridge 2 is provided with a second connecting rod 23 above the second rotating shaft 51. The plurality of second connecting rods 23 are distributed in a circumferential array around the axis of the second rotating shaft 51. A connecting plate rotating plate 231 is fixed between the plurality of second connecting rods 23. The other end of the second connecting rod 23 is fixedly connected to the filter cartridge 2, and the upper end of the second rotating shaft 51 is rotatably connected to the rotating plate 231. The plurality of paddles 52 are arranged in a circumferential array around the axis of the second rotating shaft 51. The paddles 52 are fixedly connected to the outer peripheral wall of the second rotating shaft 51, and the paddles 52 are arranged in a spiral.
[0034] Reference Figure 5 and Figure 6 A third cavity 511 is defined in the second rotating shaft 51, a first rotating rod 521 is fixedly connected to one side of the blade 52 close to the second rotating shaft 51, an axial direction of the first rotating rod 521 is parallel to a radial direction of the second rotating shaft 51, the first rotating rod 521 is rotatably connected to the second rotating shaft 51 around an axis and is passed through the third cavity 511, and a driving assembly 6 for driving the first rotating rod 521 to rotate is provided on the second rotating shaft 51.
[0035] Reference Figure 5 and Figure 6 The driving assembly 6 includes a second rotating rod 63, a first gear 61, a second gear 62 and a first adjusting sleeve 64. The second rotating rod 63 is located in the third cavity 511. The second rotating rod 63 and the second rotating shaft 51 are coaxially arranged. The upper end of the second rotating rod 63 is rotatably connected to the upper cavity wall of the third cavity 511. The first gear 61 is coaxially fixedly connected to the first rotating rod 521, the second gear 62 is coaxially fixedly connected to the lower end of the second rotating rod 63, and the first gear 61 is meshed with the second gear 62.
[0036] Reference Figure 5 and Figure 6 The outer peripheral wall of the second rotating shaft 51 is provided with an annular groove, and the first adjusting sleeve 64 is rotatably sleeved in the annular groove. The inner wall of the first adjusting sleeve 64 is fixedly connected with a first connecting rod 641, and the other end of the first connecting rod 641 is fixedly connected to the second rotating rod 63. The second rotating groove is penetrated by a avoiding groove 512 for avoiding the first connecting rod 641, and the two ends of the avoiding groove 512 are respectively connected to the third cavity 511 and the annular groove. The extending direction of the annular groove is arranged in an arc shape and is arranged around the circumference of the second rotating shaft 51.
[0037] Reference Figure 5 , Figure 6 as well as Figure 7The first adjustment sleeve 64 is coaxially provided with a second adjustment sleeve 65, and the inner walls on both sides of the second adjustment sleeve 65 are fixedly connected with a third connecting rod 651. The outer peripheral wall of the first adjustment sleeve 64 is provided with a sliding groove, and the length direction of the sliding groove is vertically arranged. One end of the third connecting rod 651 is slidably connected to the sliding groove along the vertical direction. The outer peripheral wall of the second rotating shaft 51 is surrounded by a plurality of first limiting teeth 513, and the first limiting teeth 513 are located below the first adjustment sleeve 64. The inner wall of the second adjustment sleeve 65 is surrounded by a plurality of second limiting teeth 652. After adjusting the inclination angle of the blade 52, it is necessary to limit the rotation of the blade 52, and the second adjustment sleeve 65 is slid downward so that the second limiting teeth 652 are clamped in the first limiting teeth 513, so that the second adjustment sleeve 65 can be limited, and then the first adjustment sleeve 64 and the blade 52 can be limited.
[0038] Reference Figure 2 The bottom wall of the sewage tank 1 is fixedly connected with a second guide plate 15 corresponding to the connecting port. The cross section of the second guide plate 15 is arranged in an arc shape. The extension direction of the second guide plate 15 is arranged in a spiral shape. The radius corresponding to the cross section of the second guide plate 15 gradually decreases along the extension direction. The smallest end of the second guide plate 15 is located on one side of the connecting port.
[0039] The implementation principle of an ultrafiltration device in an industrial sewage treatment process according to an embodiment of the present application is as follows: a sewage tank 1 is arranged above the filter cartridge 2, and under the action of the gravity of the sewage, the sewage can flow from the sewage tank 1 to the filter cartridge 2, and through the action of gravity, it is beneficial for the sewage to pass through the ultrafiltration membrane 21, thereby filtering the sewage and saving the sewage treatment cost; and a first push plate 13 and a second push plate 31 are provided, and the area of the first push plate 13 is larger than the area of the second push plate 31, so that the water network filter cartridge 2 in the sewage tank 1 can be pushed to flow inward by a smaller force, so that the first driving member can select a smaller power, thereby achieving the purpose of cost saving.
[0040] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.
Claims
1. An ultrafiltration device in an industrial wastewater treatment process, characterized in that: The invention comprises a sewage tank (1) and a filter cartridge (2) arranged at the bottom of the sewage tank (1), the filter cartridge (2) being connected to the sewage tank (1), an ultrafiltration membrane (21) being coaxially arranged inside the filter cartridge (2), the ultrafiltration membrane (21) being cylindrical, the bottom of the filter cartridge (2) being coaxially connected to a sewage pipe, and the peripheral wall of the filter cartridge (2) being connected to a drainage pipe; a first push plate (13) being arranged at the top of the water tank, the first push plate (13) being located inside the sewage tank (1) and dividing the inside of the sewage tank (1) into two cavities, the upper cavity being a first cavity (11), the lower cavity being a second cavity (12), and the The second cavity (12) is used to store sewage. The first push plate (13) is connected to the sewage tank (1) by sliding in a vertical direction. A drive box (3) is provided on one side of the sewage tank (1). The upper part of the drive box (3) is connected to the first cavity (11) by a connecting pipe. A second push plate (31) is provided in the drive box (3). The drive box (3) is provided with a first driving member for driving the second push plate (31) to slide. The first cavity (11), the connecting pipe and the drive box (3) located on the upper part of the second push plate (31) are filled with water. The cross-sectional area of the drive box (3) is smaller than the cross-sectional area of the sewage tank (1).
2. The ultrafiltration device in the industrial wastewater treatment process according to claim 1, characterized in that: A first rotating shaft (22) is arranged inside the filter cartridge (2), the first rotating shaft (22) is coaxially rotatably connected to the filter cartridge (2), the first rotating shaft (22) is located inside the ultrafiltration membrane (21), a plurality of first guide vanes (221) are arranged on the peripheral wall of the first rotating shaft (22), the plurality of first guide vanes (221) are distributed around the axis direction of the first rotating shaft (22), the first guide vanes (221) are used to force sewage to move in a direction away from the first rotating shaft (22), and the filter cartridge (2) is provided with a second driving member (5) for driving the first rotating shaft (22).
3. The ultrafiltration device in the industrial wastewater treatment process according to claim 2, characterized in that: The second driving member (5) comprises a second rotating shaft (51) and a plurality of paddles (52), wherein the plurality of paddles (52) are arranged in a circular array around the axis of the second rotating shaft (51), the paddles (52) are arranged on the outer peripheral wall of the second rotating shaft (51), the paddles (52) are arranged in a spiral, and the first rotating shaft (22) is coaxially connected to the second rotating shaft (51).
4. The ultrafiltration device in the industrial wastewater treatment process according to claim 3, characterized in that: A third cavity (511) is provided in the second rotating shaft (51); a first rotating rod (521) is provided on a side of the paddle (52) close to the second rotating shaft (51); an axial direction of the first rotating rod (521) is parallel to a radial direction of the second rotating shaft (51); the first rotating rod (521) is connected to the second rotating shaft (51) by rotating around an axis and passing through the third cavity (511); and a driving component (6) for driving the first rotating rod (521) to rotate is provided on the second rotating shaft (51).
5. The ultrafiltration device in the industrial wastewater treatment process according to claim 4, characterized in that: The driving assembly (6) comprises a second rotating rod (63), a first gear (61), a second gear (62) and a first adjusting sleeve (64); the second rotating rod (63) is located in the third cavity (511) and is rotatably connected to the upper cavity wall of the third cavity (511); the first gear (61) is arranged on the first rotating rod (521); the second gear (62) is arranged on the second rotating rod (63); the first gear (61) is meshed with the second gear (62); the first adjusting sleeve (64) is rotatably sleeved on the second rotating shaft (51); the first adjusting sleeve (64) is provided with a first connecting rod (641); the first connecting rod (641) is used to be connected to the second rotating rod (63).
6. The ultrafiltration device in the industrial wastewater treatment process according to claim 5, characterized in that: The first adjustment sleeve (64) is slidably connected to the second adjustment sleeve (65) in the vertical direction, the outer peripheral wall of the second rotating shaft (51) is surrounded by a first limiting tooth (513), the first limiting tooth (513) is located below the first adjustment sleeve (64), and the inner wall of the second adjustment sleeve (65) is surrounded by a second limiting tooth (652).
7. The ultrafiltration device in the industrial wastewater treatment process according to claim 1, characterized in that: A lifting assembly (4) is provided in the sewage tank (1); the lifting assembly (4) is located in the first cavity (11) and is used to pull the first push plate (13) to slide upwards.
8. The ultrafiltration device in the industrial wastewater treatment process according to claim 7, characterized in that: The lifting assembly (4) comprises a third rotating rod (41), a winding drum (42), a lifting rope (43) and a driving motor; both ends of the third rotating rod (41) are rotatably connected to the sewage tank (1); the winding drum (42) is coaxially arranged on the third rotating rod (41); one end of the lifting rope (43) is connected to the winding drum (42); the other end of the lifting rope (43) is connected to the first push plate (13); and the driving motor is fixed to the outer wall of the sewage tank (1) to drive the third rotating rod (41) to rotate.
9. The ultrafiltration device in the industrial wastewater treatment process according to claim 1, characterized in that: A clamping block (24) is fixedly connected to the outer peripheral wall of the upper part of the filter cartridge (2), and two clamping blocks (24) are provided. The two clamping blocks (24) are symmetrically arranged. A clamping ring (14) corresponding to the connecting port is provided at the lower part of the sewage tank (1). A first clamping groove (141) corresponding to the clamping block (24) is formed through the peripheral wall of the clamping ring (14). The first clamping groove (141) is L-shaped. A second clamping groove (142) for clamping the clamping block (24) is formed on the bottom wall of the horizontally extending end of the first clamping groove (141). The width of the second clamping groove (142) is the same as the width of the clamping block (24).