Membrane cleaning device for wastewater treatment

Abstract

The utility model discloses a membrane cleaning device for wastewater treatment, which comprises a base and a plurality of connecting columns fixedly mounted on the periphery of the bottom surface of the base. A water tank is fixedly installed on one side of the top surface of the base, a water pump is fixedly connected to one side of the top surface of the water tank, a water inlet pipe is fixedly connected to one side surface of the water pump, the water tank is connected to the side surface, away from the water pump, of the water inlet pipe in a penetrating mode, and a water outlet pipe is fixedly connected to the top surface of the water pump; a cleaning assembly is arranged on the other side of the top surface of the base; wherein the cleaning assembly comprises a cleaning box fixedly connected with the base, through the arrangement of the cleaning assembly, treatment membranes of different sizes and heights can be cleaned conveniently, the cleaning efficiency of the treatment membranes is improved, meanwhile, through the cooperation of a drainage pipe, a filter screen, a sealing gasket and other accessories, a water source after cleaning is recycled, and the cleaning efficiency is improved. Therefore, waste of water sources is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of wastewater treatment membrane cleaning, in particular to a membrane cleaning device for wastewater treatment. Background Art

[0002] Coking wastewater is an industrial wastewater containing a large amount of difficult-to-degrade organic pollutants. It has a complex composition and contains a large amount of toxic and harmful substances such as phenol, cyanide, benzene, ammonia nitrogen, etc. The coking wastewater treatment membrane used in the treatment of coking wastewater is an important part of the entire wastewater zero discharge system. It is responsible for removing turbidity, hardness, silicon and other scaling ions, and providing high-quality water supply guarantee for subsequent membrane concentration and evaporation crystallization systems.

[0003] Publication No. CN115738735A discloses a cleaning device for recycling and treating a coking wastewater treatment membrane. By coordinating the membrane body, bristles, a connecting mechanism and a clamping block, and utilizing the setting of the connecting mechanism, the connection function of the clamping block and the fixing block is realized, and the installation effect of the clamp is achieved, which effectively solves the problem of different diameter values ​​of the treatment membrane body. By changing the connection mode between the connecting mechanism and the clamping block, the disassembly and assembly steps of the clamp are simplified, so that the clamp can be applied to the use of the treatment membrane body with different diameter values, the applicable range of the clamp is expanded, and the utilization rate of the clamp is improved. However, the patent still has the following problems in actual use:

[0004] By coordinating the treatment membrane body, bristles, connecting mechanism and the clamping block, and utilizing the setting of the connecting mechanism, the connection between the clamping block and the fixed block is realized, and the installation effect of the clamp is achieved, which effectively solves the problem of different diameter values ​​of the treatment membrane body. However, the bristles are located inside the clamp, and the clamp is connected to the connecting structure, so that when cleaning the surface of the treatment membrane, the connecting structure and the clamp need to be constantly moved on the treatment membrane, so as to achieve the effect of cleaning the surface of the treatment membrane, which will reduce the efficiency of cleaning the surface of the treatment membrane.

[0005] A membrane cleaning device for wastewater treatment is proposed to solve the above-mentioned problems. Utility Model Content

[0006] The purpose of the utility model is to provide a membrane cleaning device for wastewater treatment, so as to solve the problem proposed in the above-mentioned background technology that the connection between the clamping block and the fixing block is realized by the coordination among the treatment membrane body, bristles, a connecting mechanism and a clamping block, and the installation effect of the clamp is achieved, thereby effectively solving the problem of different diameter values ​​of the treatment membrane body. However, the bristles are located inside the clamp, and the clamp is connected to the connecting structure, so that when cleaning the surface of the treatment membrane, the connecting structure and the clamp need to be continuously moved on the treatment membrane, so as to achieve the effect of cleaning the surface of the treatment membrane, thereby reducing the efficiency of cleaning the surface of the treatment membrane.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a membrane cleaning device for wastewater treatment, comprising a base and connecting columns, wherein a plurality of connecting columns are fixedly installed around the bottom surface of the base;

[0008] A water tank is fixedly mounted on one side of the top surface of the base, a water pump is fixedly connected to one side of the top surface of the water tank, a water inlet pipe is fixedly connected to one side surface of the water pump, a side surface of the water inlet pipe away from the water pump is connected to the water tank, and a water outlet pipe is fixedly connected to the top surface of the water pump;

[0009] Also includes:

[0010] A cleaning assembly is disposed on the other side of the top surface of the base;

[0011] The cleaning assembly includes a cleaning box fixedly connected to the base, one side of the top surface of the cleaning box is fixedly connected to an electric telescopic rod, the top surface of the electric telescopic rod is fixedly connected to a water spray pipe, and one side surface of the water spray pipe is penetrated and connected to a limiting sleeve;

[0012] Wherein, a side surface of the limiting sleeve close to the bottom is fixedly connected with a fixing rod, and a side surface of the fixing rod away from the limiting sleeve is fixedly connected with the electric telescopic rod.

[0013] Preferably, a water spray head is connected to the other side surface of the water spray pipe, a connecting rod is fixedly connected to the side surface of the electric telescopic rod close to the bottom, a fixing sleeve is fixedly connected to the side surface of the fixed rod away from the electric telescopic rod, and the water spray pipe is connected to the water outlet pipe.

[0014] Preferably, one side surface of the cleaning box is fixedly connected to a support plate, the top surface of the support plate is fixedly connected to a driving motor, a fixing plate is provided inside the cleaning box, one side of the top surface of the fixing plate is fixedly connected to a cleaning cylinder, the cleaning cylinder is connected through the cleaning box, a plurality of stabilizing plates are fixedly installed inside the cleaning cylinder, a side surface of the stabilizing plate away from the cleaning cylinder is symmetrically installed with sliding rods, a sliding sleeve is slidably connected to the surface of the sliding rod, a sleeve is fixedly connected to the top surface of the sliding sleeve, a cleaning piece is fixedly connected to one side surface of the sleeve, a sleeve rod is sleeved and connected to the other side surface of the sleeve, a first spring is sleeved and connected to the surface of the sleeve rod, one side surface of the first spring is fixedly connected to the sleeve, the other side surface of the first spring is fixedly connected to the stabilizing plate, and a side surface of the sleeve rod away from the sleeve is fixedly connected to the stabilizing plate.

[0015] Preferably, the output end of the driving motor passes through a side surface of the cleaning box and is fixedly connected to a rotating rod, the side surface of the rotating rod away from the driving motor is penetrated and connected to a main gear, the side surface of the main gear away from the rotating rod is meshingly connected to a slave gear, the middle of the slave gear is penetrated and connected to a rotating rod, the top surface of the rotating rod is fixedly connected to a placement plate, the top surface of the placement plate is symmetrically provided with grooves, a sliding rod is fixedly installed inside the groove, the surface of the sliding rod is slidably connected to a clamping plate, one side surface of the clamping plate is fixedly connected to a second spring, the side surface of the second spring away from the clamping plate is fixedly connected to the groove, the second spring is sleeved and connected to the sliding rod, a rotating groove is provided inside the cleaning cylinder, and the rotating groove is slidably connected to the placement plate.

[0016] Preferably, a side surface of the rotating rod away from the main gear is rotatably connected to a limit box, the bottom surface of the limit box is fixedly connected to a fixed plate, the bottom surface of the rotating rod is rotatably connected to the limit box, and the top surface of the rotating rod is through-connected to the limit box.

[0017] Preferably, a drainage tube is penetrated and connected to the other side surface of the cleaning box, a filter screen is installed inside the drainage tube, a sealing gasket is fixedly connected to the top surface of the filter screen, a block is symmetrically installed on the top surface of the drainage tube, a limiting rod is penetrated and connected to one side surface of the block, a third spring is sleeved on one side surface of the limiting rod, one side surface of the third spring is fixedly connected to the block, and the other side surface of the third spring is fixedly connected to the limiting rod.

[0018] Preferably, limiting grooves are symmetrically provided on both sides of the sealing gasket, the limiting grooves are engaged with the limiting rods, the sealing gasket is fitted and connected with the stopper, and the bottom surface of the sealing gasket is fitted and connected with the drainage tube.

[0019] Compared with the prior art, the utility model has the following beneficial effects: the membrane cleaning device for wastewater treatment, by providing a cleaning component, makes it easy to clean the treatment membranes of different sizes and heights, thereby improving the cleaning efficiency of the treatment membranes, and at the same time, by providing the cooperation between the drainage pipe, the filter screen, the sealing pad, the stopper, the limit rod, the third spring and the limit groove, the water source after cleaning can be recovered, thereby reducing the waste of water source. The specific contents are as follows:

[0020] 1. By setting a cleaning component, by starting the electric telescopic rod, the electric telescopic rod drives the water spray pipe to rise, so that the treatment film can pass through the top of the cleaning tube into the inside of the treatment film. After the treatment film enters the inside of the cleaning tube, the treatment film is tilted so that the bottom of the treatment film contacts the clamping plate, and the treatment film is pushed to make the treatment film return to the right position, so that the four clamping plates can clamp the treatment film under the action of the second spring. At the same time, the electric telescopic rod is started again, so that the electric telescopic rod stops after descending to a suitable position, so that the water spray head can clean the treatment film. At the same time, by starting the driving motor, the driving motor can drive the rotation of the rotating rod, and the rotation of the rotating rod can drive the rotation of the main gear, and the rotation of the main gear can drive the rotation of the slave gear, and the rotation of the slave gear can drive the rotation of the rotating rod, and the rotation of the rotating rod can drive the rotation of the placement plate, so that the rotation of the placement plate can drive the rotation of the treatment film, so that when the treatment film rotates, the cleaning parts inside the cleaning tube can quickly clean the surface of the treatment film, so that the cleaning efficiency of the treatment film can be improved;

[0021] 2. At the same time, the drainage tube, the filter screen, the sealing gasket, the block, the limit rod, the third spring and the limit groove are arranged. After the limit rod is separated from the limit groove by pulling the limit rod, the sealing gasket can be taken out with the filter screen, so that the staff can clean the filter screen to avoid the blockage of the filter screen. At the same time, when installing the cleaned filter screen, the limit rod is pulled again to make the filter screen enter the drainage tube. After the sealing gasket is tightly fitted with the drainage tube, the limit rod is loosened to make the limit rod return to its original position under the action of the third spring, so that the limit rod and the limit groove are re-engaged together, thereby completing the installation of the sealing gasket and the filter screen. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0023] Figure 2 It is a schematic diagram of the overall internal structure of the utility model;

[0024] Figure 3 For this utility model Figure 2 A schematic diagram of the enlarged structure of the middle A area;

[0025] Figure 4 For this utility model Figure 2 Schematic diagram of the enlarged structure of the middle B area;

[0026] Figure 5 For this utility model Figure 2 Schematic diagram of the enlarged structure of the middle C area;

[0027] Figure 6 It is a schematic diagram of the top view structure of the placement plate in the utility model.

[0028] In the figure: 1, base; 2, connecting column; 3, cleaning assembly; 301, cleaning box; 302, electric telescopic rod; 303, water spray pipe; 304, limit sleeve; 305, fixed rod; 306, water spray head; 307, connecting rod; 308, fixed sleeve; 309, support plate; 310, driving motor; 311, fixed plate; 312, cleaning cylinder; 313, stabilizing plate; 314, sliding rod; 315, sliding sleeve; 316, sleeve; 317, cleaning piece; 318, sleeve rod; 3 19. First spring; 320. Rotating rod; 321. Main gear; 322. Slave gear; 323. Rotating rod; 324. Placement plate; 325. Groove; 326. Sliding rod; 327. Clamping plate; 328. Second spring; 329. Rotating groove; 330. Limit box; 4. Water tank; 5. Water pump; 6. Water inlet pipe; 7. Water outlet pipe; 8. Drainage pipe; 9. Filter; 10. Sealing pad; 11. Block; 12. Limit rod; 13. Third spring; 14. Limit groove. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the implementation regulations described are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] See also Figure 1-6The utility model provides a technical solution: a membrane cleaning device for wastewater treatment, including a base 1 and a connecting column 2, a plurality of connecting columns 2 are fixedly installed around the bottom surface of the base 1; a water tank 4 is fixedly installed on one side of the top surface of the base 1, a water pump 5 is fixedly connected to one side of the top surface of the water tank 4, a water inlet pipe 6 is fixedly connected to one side of the surface of the water pump 5, a side surface of the water inlet pipe 6 away from the water pump 5 is connected to the water tank 4, and a water outlet pipe 7 is fixedly connected to the top surface of the water pump 5; and also includes: a water tank 4 is fixedly installed on the other side of the top surface of the base 1 A cleaning assembly 3 is provided; wherein the cleaning assembly 3 includes a cleaning box 301 fixedly connected to the base 1, one side of the top surface of the cleaning box 301 is fixedly connected to an electric telescopic rod 302, the top surface of the electric telescopic rod 302 is fixedly connected to a water spray pipe 303, and one side surface of the water spray pipe 303 is penetrated and connected to a limiting sleeve 304; wherein a fixed rod 305 is fixedly connected to a side surface of the limiting sleeve 304 close to the bottom, and a side surface of the fixed rod 305 away from the limiting sleeve 304 is fixedly connected to the electric telescopic rod 302, such as Figure 1-4 As shown, by setting up the cleaning component 3, it is convenient to quickly clean the treatment membranes of different sizes and heights, thereby improving the cleaning efficiency of the cleaning membrane. At the same time, the water outlet pipe 7 is a hose in the prior art, which makes it easy to move with the electric telescopic rod 302.

[0031] The other side surface of the water spray pipe 303 is connected with a water spray head 306, the side surface of the electric telescopic rod 302 close to the bottom is fixedly connected with a connecting rod 307, the side surface of the fixed rod 305 away from the electric telescopic rod 302 is fixedly connected with a fixing sleeve 308, the water spray pipe 303 is connected with the water outlet pipe 7, the side surface of the cleaning box 301 is fixedly connected with a support plate 309, the top surface of the support plate 309 is fixedly connected with a driving motor 310, the interior of the cleaning box 301 is provided with a fixing plate 311, the top surface of the fixing plate 311 is fixedly connected with a cleaning cylinder 312, the cleaning cylinder 312 is connected with the cleaning box 301, and the cleaning cylinder 312 is connected with the cleaning box 301. 2 is fixedly installed with a plurality of stabilizing plates 313, a sliding rod 314 is symmetrically installed on the surface of the stabilizing plate 313 away from the cleaning cylinder 312, a sliding sleeve 315 is slidably connected to the surface of the sliding rod 314, a sleeve 316 is fixedly connected to the top surface of the sliding sleeve 315, a cleaning piece 317 is fixedly connected to one side surface of the sleeve 316, a sleeve rod 318 is sleeved and connected to the other side surface of the sleeve 316, a first spring 319 is sleeved and connected to the surface of the sleeve rod 318, one side surface of the first spring 319 is fixedly connected to the sleeve 316, the other side surface of the first spring 319 is fixedly connected to the stabilizing plate 313, and the sleeve rod 318 is away from the side of the sleeve 316. The surface is fixedly connected to the stabilizing plate 313, the output end of the driving motor 310 passes through the surface of one side of the cleaning box 301 and is fixedly connected with a rotating rod 320, the surface of the rotating rod 320 away from the driving motor 310 is penetrated and connected with a main gear 321, the surface of the main gear 321 away from the rotating rod 320 is meshed and connected with a slave gear 322, the middle of the slave gear 322 is penetrated and connected with a rotating rod 323, the top surface of the rotating rod 323 is fixedly connected with a placing plate 324, the top surface of the placing plate 324 is symmetrically provided with grooves 325, the inside of the groove 325 is fixedly installed with a sliding rod 326, and the surface of the sliding rod 326 is slidably connected with a clamping The second spring 328 is fixedly connected to the surface of the clamping plate 327, and the surface of the second spring 328 away from the clamping plate 327 is fixedly connected to the groove 325. The second spring 328 is sleeved and connected to the sliding rod 326. A rotating groove 329 is provided inside the cleaning cylinder 312, and the rotating groove 329 is slidably connected to the placement plate 324. The surface of the rotating rod 320 away from the main gear 321 is rotatably connected to the limit box 330, and the bottom surface of the limit box 330 is fixedly connected to the fixed plate 311. The bottom surface of the rotating rod 323 is rotatably connected to the limit box 330, and the top surface of the rotating rod 323 is connected to the limit box 330 through the connection, such as Figure 2-4As shown, the first spring 319 is a compression spring in the prior art, so that when facing processing films of different sizes, the cleaning piece 317 can always be in contact with the processing film, thereby facilitating the cleaning of the surface of the processing film. At the same time, the second spring 328 is a rubber composite spring in the prior art. The elastic force of the rubber composite spring is relatively large, so that the clamping plate 327 can clamp the processing film more tightly. At the same time, through the action of the limit box 330, the main gear 321 and the slave gear 322 can be protected, thereby extending the service life of the main gear 321 and the slave gear 322.

[0032] The other side surface of the cleaning box 301 is penetrated by a drainage tube 8, a filter screen 9 is installed inside the drainage tube 8, a sealing gasket 10 is fixedly connected to the top surface of the filter screen 9, a block 11 is symmetrically installed on the top surface of the drainage tube 8, a limit rod 12 is penetrated by one side surface of the block 11, a third spring 13 is sleeved on one side surface of the limit rod 12, one side surface of the third spring 13 is fixedly connected to the block 11, and the other side surface of the third spring 13 is fixedly connected to the limit rod 12, limit grooves 14 are symmetrically provided on both sides of the sealing gasket 10, the limit grooves 14 are snap-connected to the limit rod 12, the sealing gasket 10 is fit-connected to the block 11, and the bottom surface of the sealing gasket 10 is fit-connected to the drainage tube 8, as shown in FIG. Figure 5 As shown, by pulling the limit rod 12 to separate the limit rod 12 from the limit groove 14, the sealing gasket 10 can be taken out together with the filter screen 9, so that the staff can clean the filter screen 9 to avoid the filter screen 9 from being blocked. At the same time, when installing the cleaned filter screen 9, the limit rod 12 is pulled again to make the filter screen 9 enter the drainage tube 8. After the sealing gasket 10 is tightly fitted with the drainage tube 8, the limit rod 12 is loosened to make the limit rod 12 return to its original position under the action of the third spring 13, so that the limit rod 12 and the limit groove 14 are re-engaged together. , thereby completing the installation of the sealing gasket 10 and the filter screen 9, so that the impurities in the water source can be better cleaned. At the same time, the third spring 13 is also a rubber composite spring in the prior art. The elastic force of the rubber composite spring is relatively large, so that the engagement between the limit rod 12 and the limit groove 14 can be tighter. At the same time, there is an engagement groove inside the drainage pipe 8, so that the filter screen 9 can be engaged with the engagement groove when entering the drainage pipe 8. Through the action of the sealing gasket 10, the sealing gasket 10 and the drainage pipe 8 are tightly fitted, so that the outflow of water source can be effectively reduced, so that the water source can be filtered through the filter screen 9, thereby realizing the recycling of water source.

[0033] Working principle: Before using this kind of membrane cleaning device for wastewater treatment, it is necessary to check the overall condition of the device to ensure that it can work normally. Figure 1 - Figure 6 As shown, first, when the treated film needs to be cleaned, the electric telescopic rod 302 is started, so that the electric telescopic rod 302 drives the water spray pipe 303 to rise, so that the treated film can pass through the top of the cleaning tube 312 into the inside of the treated film. After the treated film enters the cleaning tube 312, the treated film is tilted so that the bottom of the treated film contacts the clamping plate 327, and the treated film is pushed so that the treated film returns to the normal position, so that the four clamping plates 327 can clamp the treated film under the action of the second spring 328. At the same time, the electric telescopic rod 302 is started again, so that the electric telescopic rod 302 stops after descending to a suitable position, and the water pump 5 is started so that the water pump 5 can guide the clean water stirred in the water tank 4 to the inside of the water spray pipe 303, and then the clean water is sprayed out through the water spray head 306, so that the water spray head 306 can spray water to clean the treated film. At the same time, by starting the driving motor 310, the driving motor 310 can drive the rotation of the rotating rod 320, and the rotation of the rotating rod 320 can drive the rotation of the main gear 321, and the rotation of the main gear 321 can drive the rotation of the slave gear 322, and the rotation of the slave gear 322 can drive the rotation of the rotating rod 323, and the rotation of the rotating rod 323 can drive the rotation of the placement plate 324, so that the rotation of the placement plate 324 can drive the rotation of the treatment film, so that when the treatment film rotates, the cleaning member 317 inside the cleaning cylinder 312 can quickly clean the surface of the treatment film, thereby improving the cleaning efficiency of the treatment film, and the cleaned water flows into the cleaning box 301 through the holes on the placement plate 324 and the fixed plate 311. The bottom of the cleaning box 301 is an inclined surface, so that the water flow can better enter the drainage pipe 8 through the inclined surface.

[0034] Secondly, after filtering the water source, by pulling the limit rod 12 to separate the limit rod 12 from the limit groove 14, by taking the sealing gasket 10, the sealing gasket 10 can drive the filter screen 9 to be pulled out together, so that the staff can clean the filter screen 9, thereby avoiding the blockage of the filter screen 9. At the same time, when installing the cleaned filter screen 9, the limit rod 12 is pulled again to make the filter screen 9 enter the drainage tube 8. After the sealing gasket 10 is tightly fitted with the drainage tube 8, the limit rod 12 is loosened to make the limit rod 12 return to its original position under the action of the third spring 13, so that the limit rod 12 and the limit groove 14 are re-engaged together, thereby completing the installation of the sealing gasket 10 and the filter screen 9, so that impurities in the water source can be better cleaned.

[0035] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A membrane cleaning device for wastewater treatment, comprising a base (1) and connecting columns (2), wherein a plurality of connecting columns (2) are fixedly mounted around the bottom surface of the base (1); A water tank (4) is fixedly mounted on one side of the top surface of the base (1); a water pump (5) is fixedly connected to one side of the top surface of the water tank (4); a water inlet pipe (6) is fixedly connected to one side surface of the water pump (5); a side surface of the water inlet pipe (6) away from the water pump (5) is connected to the water tank (4); and a water outlet pipe (7) is fixedly connected to the top surface of the water pump (5); It is characterized in that Also includes: A cleaning component (3) is provided on the other side of the top surface of the base (1); The cleaning assembly (3) comprises a cleaning box (301) fixedly connected to the base (1); one side of the top surface of the cleaning box (301) is fixedly connected to an electric telescopic rod (302); the top surface of the electric telescopic rod (302) is fixedly connected to a water spray pipe (303); one side surface of the water spray pipe (303) is penetrated and connected to a limiting sleeve (304); A fixing rod (305) is fixedly connected to a side surface of the limiting sleeve (304) close to the bottom, and a side surface of the fixing rod (305) away from the limiting sleeve (304) is fixedly connected to the electric telescopic rod (302).

2. A membrane cleaning device for wastewater treatment according to claim 1, characterized in that: The other side surface of the water spray pipe (303) is connected to a water spray head (306), the side surface of the electric telescopic rod (302) close to the bottom is fixedly connected to a connecting rod (307), the side surface of the fixed rod (305) away from the electric telescopic rod (302) is fixedly connected to a fixing sleeve (308), and the water spray pipe (303) is connected to a water outlet pipe (7).

3. A membrane cleaning device for wastewater treatment according to claim 1, characterized in that: A support plate (309) is fixedly connected to one side surface of the cleaning box (301), a driving motor (310) is fixedly connected to the top surface of the support plate (309), a fixing plate (311) is arranged inside the cleaning box (301), a cleaning cylinder (312) is fixedly connected to one side of the top surface of the fixing plate (311), the cleaning cylinder (312) is connected to the cleaning box (301) through, a plurality of stabilizing plates (313) are fixedly installed inside the cleaning cylinder (312), a sliding rod (314) is symmetrically installed on the side surface of the stabilizing plate (313) away from the cleaning cylinder (312), and the surface of the sliding rod (314) A sliding sleeve (315) is slidably connected, the top surface of the sliding sleeve (315) is fixedly connected to a sleeve (316), one side surface of the sleeve (316) is fixedly connected to a cleaning piece (317), the other side surface of the sleeve (316) is sleeved with a sleeve rod (318), the surface of the sleeve rod (318) is sleeved with a first spring (319), one side surface of the first spring (319) is fixedly connected to the sleeve (316), the other side surface of the first spring (319) is fixedly connected to a stabilizing plate (313), and the side surface of the sleeve rod (318) away from the sleeve (316) is fixedly connected to the stabilizing plate (313).

4. A membrane cleaning device for wastewater treatment according to claim 3, characterized in that: The output end of the driving motor (310) passes through a side surface of the cleaning box (301) and is fixedly connected to a rotating rod (320); a side surface of the rotating rod (320) away from the driving motor (310) is penetrated and connected to a main gear (321); a side surface of the main gear (321) away from the rotating rod (320) is meshingly connected to a slave gear (322); a rotating rod (323) is penetrated and connected in the middle of the slave gear (322); a top surface of the rotating rod (323) is fixedly connected to a placement plate (324); and a top surface of the placement plate (324) is symmetrically provided with grooves. (325), a sliding rod (326) is fixedly installed inside the groove (325), and the surface of the sliding rod (326) is slidably connected to a clamping plate (327), and a second spring (328) is fixedly connected to a side surface of the clamping plate (327), and a side surface of the second spring (328) away from the clamping plate (327) is fixedly connected to the groove (325), and the second spring (328) is sleeve-connected to the sliding rod (326), and a rotating groove (329) is opened inside the cleaning cylinder (312), and the rotating groove (329) is slidably connected to the placement plate (324).

5. A membrane cleaning device for wastewater treatment according to claim 4, characterized in that: A side surface of the rotating rod (320) away from the main gear (321) is rotationally connected to the limit box (330), the bottom surface of the limit box (330) is fixedly connected to the fixed plate (311), the bottom surface of the rotating rod (323) is rotationally connected to the limit box (330), and the top surface of the rotating rod (323) is connected to the limit box (330) through.

6. A membrane cleaning device for wastewater treatment according to claim 1, characterized in that: The other side surface of the cleaning box (301) is penetrated and connected with a drainage tube (8), a filter screen (9) is installed inside the drainage tube (8), a sealing gasket (10) is fixedly connected to the top surface of the filter screen (9), a stopper (11) is symmetrically installed on the top surface of the drainage tube (8), a side surface of the stopper (11) is penetrated and connected with a limiting rod (12), a side surface of the limiting rod (12) is sleeved with a third spring (13), a side surface of the third spring (13) is fixedly connected to the stopper (11), and the other side surface of the third spring (13) is fixedly connected to the limiting rod (12).

7. A membrane cleaning device for wastewater treatment according to claim 6, characterized in that: The sealing gasket (10) has symmetrically disposed limiting grooves (14) on both sides, the limiting grooves (14) are snap-fitted and connected to the limiting rods (12), the sealing gasket (10) is fit-fitted and connected to the stopper (11), and the bottom surface of the sealing gasket (10) is fit-fitted and connected to the drainage tube (8).

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