Filtering device with self-cleaning function

Abstract

The invention relates to the technical field of water filtration, and particularly discloses a filtering device with a self-cleaning function, the filtering device comprises a concentration tank, the bottom end of the concentration tank is provided with a guide surface and a first opening; the sludge thickening tank is connected with the first opening through a pipeline; the filter membrane mechanism comprises a filter membrane shell, a filter membrane plate, a rotating shaft, a driving assembly, a filter membrane and a connecting block, the filter membrane plate and the connecting block are arranged in the filter membrane shell, the rotating shaft is connected with the filter membrane plate, the driving assembly is connected with the rotating shaft, and the driving assembly drives the rotating shaft to rotate; the backwashing mechanism comprises a backwashing pipeline, a backwashing cambered surface plate and a plurality of one-way nozzles, the backwashing pipeline is connected with the backwashing cambered surface plate, and a second steel ball and a limiting net are arranged in each one-way nozzle; the defects that in the prior art, a filtering device is incomplete in filtering and poor in self-cleaning efficiency are overcome.

Description

Technical Field

[0001] The invention relates to a field, and in particular to a filtering device with a self-cleaning function. Background Art

[0002] A self-cleaning filter is a system that automatically removes pollutants accumulated on the filter medium, thereby maintaining filtration efficiency and extending the service life of the equipment. This technology is used in many fields, including industrial production, environmental engineering, and water treatment in daily life.

[0003] In the prior art, incomplete filtration usually occurs in the self-cleaning filter device, and the filtered water source still does not meet the discharge standard. In the prior art, the cleaning of the filter mechanism is mostly carried out by cleaning with chemicals, and corresponding equipment such as a chemical adding box, a cleaning pump and a cleaning water tank are configured, which occupies a large area, has low cleaning efficiency, and requires a large amount of human resources. Summary of the invention

[0004] 1. Technical issues to be resolved

[0005] The problem to be solved by the present invention is to provide a filtering device with a self-cleaning function to overcome the defects of the filtering device in the prior art, such as incomplete filtering and poor self-cleaning efficiency.

[0006] (II) Technical solution

[0007] In order to solve the technical problem, the present invention provides a filtering device with a self-cleaning function, comprising:

[0008] A concentrating tank, wherein the interior of the concentrating tank is hollow and a guide surface and a first opening are provided at the bottom end of the concentrating tank;

[0009] A sludge thickening tank, the sludge thickening tank is arranged at the lower end of the thickening tank, and the sludge thickening tank is connected to the first opening through a pipeline;

[0010] A membrane filter mechanism, the membrane filter mechanism comprises a membrane filter housing, a membrane filter plate, a rotating shaft, a driving assembly, a membrane filter and a connecting block, the membrane filter plate is arranged at one end of the membrane filter housing, the connecting block is arranged at the other end of the membrane filter housing, a second opening is arranged at the center of the connecting block, the second opening is wide on the left and narrow on the right, a first steel ball is placed in the second opening, a plurality of water inlet holes are arranged on the membrane filter plate, the rotating shaft is connected to the membrane filter plate, the driving assembly is connected to the rotating shaft, the driving assembly drives the rotating shaft to rotate, the membrane filter is arranged on the rotating shaft, and a third opening and a fourth opening are arranged on the membrane filter housing;

[0011] A backwash mechanism, the backwash mechanism includes a backwash pipe, a backwash arc panel and a one-way nozzle, the backwash pipe is connected to the third opening, the backwash pipe is connected to the backwash arc panel, the backwash arc panel has a backwash channel, the backwash channel is connected to the backwash pipe, there are multiple one-way nozzles, each of which is evenly spaced on the backwash arc panel, the one-way nozzle is connected to the backwash channel, and a second steel ball and a limiting net are provided in the one-way nozzle.

[0012] As described above, the filtering device with a self-cleaning function, optionally, has a plurality of filter membrane mechanisms, the water outlet end and the water inlet end of each two adjacent filter membrane mechanisms are connected by a pipe, the water inlet end of the first filter membrane mechanism is connected to the concentration tank through a first pipe, and the water outlet end of the last filter membrane mechanism is connected to the water production pool through a second pipe.

[0013] As the filtering device with self-cleaning function as described above, optionally, a liquid inlet pump is provided between the concentrating tank and the pipeline at the water inlet end of the first filter membrane mechanism, and a solenoid valve is provided between the water outlet end of the last filter membrane mechanism and the pipeline of the water production pool.

[0014] As for the filtering device with self-cleaning function as mentioned above, optionally, the first pipe is connected to the ozone microbubble generating device.

[0015] As described above, the filter device with a self-cleaning function may optionally include a compressed air tank and a backwash water tank, wherein the compressed air tank contains compressed air and the backwash water tank contains clean water.

[0016] As described above, the filter device with a self-cleaning function may, optionally, have multiple backwash mechanisms, each of which is correspondingly connected to each filter membrane mechanism, one end of the third pipe is connected to each of the backwash pipes, and the other end of the third pipe is respectively connected to the compressed air tank and the backwash water tank.

[0017] As described above, for the filtering device with a self-cleaning function, optionally, a backwash water pump is provided adjacent to the third pipeline and the backwash water tank.

[0018] As mentioned above, the filtering device with a self-cleaning function may optionally include a fourth pipe, one end of which is connected to the fourth opening of the filter membrane mechanism, and the other end of which is connected to the concentration tank.

[0019] As for the filtering device with self-cleaning function as described above, optionally, the inner surface of the sludge concentration tank has a protrusion, the outer surface of the sludge collecting box has a groove, and the sludge concentration tank is slidably connected to the sludge collecting box.

[0020] As described above, the filter device with a self-cleaning function, optionally, the driving assembly includes a motor, a transmission rod, a driving gear and a passive gear, the motor is arranged on the filter membrane plate, the transmission rod is connected to the output end of the motor, the driving gear is connected to the transmission rod, the passive gear is arranged on the rotating shaft, the driving gear is meshed with the passive gear, and the motor drives the rotating shaft to rotate.

[0021] (III) Beneficial effects

[0022] The present invention provides a filtering device with a self-cleaning function, which has the following beneficial effects:

[0023] (1) The present invention places raw water in a concentration tank. When the present invention is in working state, the raw water is input into the filter membrane mechanism driven by the liquid inlet pump. The filter membrane mechanism has multiple filter membrane mechanisms, which are connected in series. The filter membrane mechanism can produce cleaner pure water through multi-layer filtration and output from the filter membrane mechanism to the water production pool. The filter membrane mechanism has a filter membrane plate. The raw water can be accelerated by the water inlet hole opened on the filter membrane plate, so that it flows into the filter membrane faster. The filter membrane mechanism is also provided with a connecting block, which has a second opening. The second opening is wide on the left and narrow on the right. A first steel ball is placed at the second opening. The first steel ball can prevent the backflow of raw water, so that the filtered water in the multiple filter membrane mechanisms is not disturbed. The raw water that has not been completely filtered can flow into the fourth pipe through the fourth opening and flow back to the concentration tank from the fourth pipe. The present invention deeply filters the raw water through the filter membrane mechanism formed in series, and makes the raw water that has not been completely filtered flow back to the raw water storage place, which effectively improves the cleanliness of the filtration.

[0024] (2) When the present invention is in the backwash state, the solenoid valve is closed, the backwash water tank and the compressed air tank are started synchronously, the backwash water tank provides high-pressure water under the drive of the backwash water pump, the compressed air tank is combined with the high-pressure water, and at the same time, the ozone microbubble generating device is started synchronously, and the ozone microbubbles can be synchronously combined with the high-pressure water and flow into the backwash mechanism. The backwash mechanism can clean the filter membrane of each filter membrane mechanism, and the backwash mechanism has a plurality of unidirectional nozzles distributed at equal intervals. Ozone microbubble high-pressure water is sprayed from the unidirectional nozzles to clean the filter membrane. It should be noted that the second steel ball cooperates with the limiting net to ensure that the cleaning liquid does not flow back when the filter membrane mechanism is working, and plays the role of isolation and cleaning. In the backwash state, the present invention can effectively clean and disinfect the filter membrane mechanism, each pipeline and the concentration tank, thereby increasing the service life of the present invention and avoiding the labor cost consumed by multiple replacements.

[0025] (3) The present invention drives the filter membrane to rotate through a driving assembly. The output end of the motor is connected to a transmission rod, a driving gear is connected to the transmission rod, and a passive gear is connected to the rotating shaft. The driving gear and the passive gear are meshed, thereby driving the filter membrane to rotate. The rotating filter membrane can be linked with the backwash mechanism to achieve a faster cleaning effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0027] Figure 1 A three-dimensional diagram of a filter device with a self-cleaning function according to the present invention;

[0028] Figure 2 A cross-sectional view of a filter device with a self-cleaning function according to the present invention;

[0029] Figure 3 for Figure 2 A partial schematic diagram of the middle part;

[0030] Figure 4 It is a partial schematic diagram of a concentration tank of a filtering device with a self-cleaning function and a sludge concentration site of the present invention;

[0031] Figure 5 A three-dimensional cross-sectional view of a filter membrane mechanism of a filter device with a self-cleaning function according to the present invention;

[0032] Figure 6 A cross-sectional view of a filter membrane mechanism of a filter device with a self-cleaning function according to the present invention;

[0033] Figure 7 A three-dimensional diagram of a backwash mechanism of a filter device with a self-cleaning function according to the present invention;

[0034] Figure 8 A cross-sectional view of a backwash mechanism of a filter device with a self-cleaning function according to the present invention;

[0035] Fig. 9 for Figure 8 A partial schematic diagram of B in the middle;

[0036] Fig.10 The present invention is a three-dimensional diagram of a filter membrane mechanism of a filter device with a self-cleaning function.

[0037] The names of the components corresponding to the reference numerals in the figure are: 1. Concentration tank; 11. Guide surface; 12. First opening; 13. Third opening; 14. Fourth opening; 2. Sludge concentration tank; 3. Filter membrane mechanism; 31. Filter membrane housing; 32. Filter membrane plate; 33. Rotating shaft; 34. Driving assembly; 35. Filter membrane; 36. Connecting block; 37. Second opening; 38. First steel ball; 39. Water inlet; 4. Backwash mechanism; 41. Backwash pipe; 42. Backwash arc panel; 43. One-way Nozzle; 44, backwash channel; 45, second steel ball; 46, limit net; 47, third pipeline; 51, water outlet; 52, water inlet; 53, first pipeline; 54, second pipeline; 55, water production pool; 56, liquid inlet pump; 57, solenoid valve; 6, ozone microbubble generating device; 7, compressed air tank; 71, backwash water pump; 8, backwash water tank; 81, fourth pipeline; 82, sludge collection box; 91, motor; 92, transmission rod; 93, driving gear; 94, passive gear. DETAILED DESCRIPTION

[0038] The present application is described in detail below with reference to the accompanying drawings and specific embodiments.

[0039] The following describes the implementation methods of the present application through specific examples, and those skilled in the art can easily understand other advantages and effects of the present application from the contents disclosed in this specification. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. The present application can also be implemented or applied through other different specific implementation methods, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present application. It should be noted that, in the absence of conflict, the following embodiments and the features in the embodiments can be combined with each other. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without making creative work belong to the scope of protection of the present application.

[0040] It should be noted that various aspects of the embodiments within the scope of the appended claims are described below. It should be apparent that the aspects described herein can be embodied in a wide variety of forms, and any specific structure and / or function described herein is merely illustrative. Based on the present application, it should be understood by those skilled in the art that an aspect described herein can be implemented independently of any other aspect, and two or more of these aspects can be combined in various ways. For example, any number and aspect described herein can be used to implement the device and / or practice the method. In addition, other structures and / or functionalities other than one or more of the aspects described herein can be used to implement this device and / or practice this method.

[0041] It should also be noted that the illustrations provided in the following embodiments are only schematic illustrations of the basic concept of the present application. The drawings only show components related to the present application rather than being drawn according to the number, shape and size of components in actual implementation. In actual implementation, the type, quantity and proportion of each component may be changed arbitrarily, and the component layout may also be more complicated.

[0042] Additionally, in the following description, specific details are provided to facilitate a thorough understanding of the examples. However, it will be understood by those skilled in the art that the examples can be practiced without these specific details.

[0043] The technical solutions provided by various embodiments of the present application are described below in conjunction with the accompanying drawings.

[0044] See also Figures 1 to 10 The present invention provides a filtering device with a self-cleaning function, comprising a concentration tank 1, a sludge concentration tank 2, a filter membrane mechanism 3, a backwash mechanism 4, a compressed air tank 7, a backwash water tank 8, and an ozone microbubble generating device 6. Raw water is placed in the concentration tank 1. When the present invention is working, the raw water can be input from the concentration tank 1 into the filter membrane mechanism 3 for filtration. At the same time, the water flow that is not completely filtered during the filtration process flows back to the concentration tank 1. Sediments are easily precipitated in the returned water. The sediments can flow into the sludge concentration tank 2 under the action of gravity, and the completely filtered pure water flows into the water production tank 55.

[0045] When the present invention is in a cleaning state, the backwash water tank 8 and the compressed air tank 7 cooperate with the backwash mechanism 4 to clean the filter membrane mechanism 3, and at the same time, the ozone microbubble generating device 6 can generate ozone to clean the present invention.

[0046] exist Figures 1 to 10 In an optional embodiment, the interior of the concentration tank 1 is hollow, and a guide surface 11 and a first opening 12 are provided at the bottom end of the concentration tank 1 .

[0047] Furthermore, the sludge thickening tank 2 is disposed at the lower end of the thickening tank 1 , and the sludge thickening tank 2 is connected to the first opening 12 through a pipeline.

[0048] It should be noted that during the operation of the present invention, pollutants in the raw water will precipitate. A solenoid valve 57 is provided in the pipeline between the sludge thickening tank 2 and the thickening tank 1. When the sediment in the thickening tank 1 needs to be cleaned, the experimenters in this field can complete the treatment by opening the solenoid valve 57.

[0049] Furthermore, the inner surface of the sludge thickening tank 2 has a protrusion, the outer surface of the sludge collecting box 82 has a groove, and the sludge thickening tank 2 is slidably connected to the sludge collecting box 82.

[0050] exist Figures 1 to 10In an optional embodiment, the filter membrane mechanism 3 includes a filter membrane housing 31, a filter membrane plate 32, a rotating shaft 33, a driving assembly 34, a filter membrane 35 and a connecting block 36. The filter membrane plate 32 is arranged at one end of the filter membrane housing 31, and the connecting block 36 is arranged at the other end of the filter membrane housing 31. A second opening 37 is arranged at the center of the connecting block 36. The second opening 37 is wide on the left and narrow on the right. A first steel ball 38 is placed in the second opening 37. The filter membrane plate 32 has a plurality of water inlet holes 39. The rotating shaft 33 is connected to the filter membrane plate 32, the driving assembly 34 is connected to the rotating shaft 33, the driving assembly 34 drives the rotating shaft 33 to rotate, the filter membrane 35 is arranged on the rotating shaft 33, and the filter membrane housing 31 is provided with a third opening 13 and a fourth opening 14.

[0051] Furthermore, there are multiple filter membrane mechanisms 3, and the water outlet end 51 and the water inlet end 52 of each two adjacent filter membrane mechanisms 3 are connected by a pipe, the water inlet end 52 of the first filter membrane mechanism 3 is connected to the concentration tank 1 through a first pipe 53, and the water outlet end 51 of the last filter membrane mechanism 3 is connected to the water production pool 55 through a second pipe 54.

[0052] Furthermore, the driving assembly 34 includes a motor 91, a transmission rod 92, a driving gear 93 and a passive gear 94. The motor 91 is arranged on the filter membrane plate 32, the transmission rod 92 is connected to the output end of the motor 91, the driving gear 93 is connected to the transmission rod 92, the passive gear 94 is arranged on the rotating shaft 33, the driving gear 93 is meshed with the passive gear 94, and the motor 91 drives the rotating shaft 33 to rotate.

[0053] Furthermore, the first pipe 53 is connected to the ozone microbubble generator 6. The ozone microbubble generator 6 can generate ozone, which can flow into the concentration tank 1 and the filter membrane mechanism 3 through the first pipe 53, and the ozone can play a sterilizing and disinfecting effect.

[0054] Furthermore, a liquid inlet pump 56 is provided between the concentrating tank 1 and the pipeline of the water inlet end 52 of the first membrane filter mechanism 3 , and a solenoid valve 57 is provided between the water outlet end 51 of the last membrane filter mechanism 3 and the pipeline of the water production pool 55 .

[0055] exist Figures 1 to 10 In an optional embodiment, the backwash mechanism 4 includes a backwash pipe 41, a backwash arc panel 42 and a one-way nozzle 43. The backwash pipe 41 is connected to the third opening 13, and the backwash pipe 41 is connected to the backwash arc panel 42. The backwash arc panel 42 has a backwash channel 44, and the backwash channel 44 is connected to the backwash pipe 41. There are multiple one-way nozzles 43, each of which is evenly spaced on the backwash arc panel 42. The one-way nozzle 43 is connected to the backwash channel 44. A second steel ball 45 and a limiting net 46 are provided in the one-way nozzle 43.

[0056] exist Figures 1 to 10In an optional embodiment, the filtering device with a self-cleaning function includes a compressed air tank 7 and a backwash water tank 8, wherein the compressed air tank 7 contains compressed air and the backwash water tank 8 contains clean water.

[0057] Furthermore, there are multiple backwash mechanisms 4, each backwash mechanism 4 is correspondingly connected to each filter membrane mechanism 3, one end of the third pipe 47 is connected to each backwash pipe 41, and the other end of the third pipe 47 is respectively connected to the compressed air tank 7 and the backwash water tank 8.

[0058] Furthermore, a backwash water pump 71 is provided adjacent to the third pipe 47 and the backwash water tank 8. The backwash water pump 71 can provide power for the water in the backwash water tank 8 during the backwash cleaning process of the present invention.

[0059] exist Figures 1 to 10 In an optional embodiment, the filtering device with a self-cleaning function includes a fourth pipe 81 , one end of the fourth pipe 81 is connected to the fourth opening 14 of the filter membrane mechanism 3 , and the other end of the fourth pipe 81 is connected to the concentration tank 1 .

[0060] The present invention provides a filtering device with a self-cleaning function, and the specific steps are as follows:

[0061] By placing raw water in the concentration tank 1, when the present invention is in working state, the raw water is input into the filter membrane mechanism 3 under the drive of the liquid inlet pump 56. The filter membrane mechanism 3 has multiple filter membrane mechanisms 3, and the multiple filter membrane mechanisms 3 are connected in series. They can produce cleaner pure water through multi-layer filtration, and output from the filter membrane mechanism 3 to the water production pool 55. The filter membrane mechanism 3 has a filter membrane plate 32, and the raw water can be accelerated under the action of the water inlet hole 39 opened on the filter membrane plate 32, so as to flow into the filter membrane 35 faster. The filter membrane mechanism 3 is also provided with a connecting block 36, and the connecting block 36 has a second opening 37, the second opening 37 is wide on the left and narrow on the right, and a first steel ball 38 is placed at the second opening 37. The first steel ball 38 can prevent the backflow of the raw water, so that the filtered water in the multiple filter membrane mechanisms 3 is not disturbed. The raw water that has not been completely filtered can flow into the fourth pipe 81 through the fourth opening 14, and flow back to the concentration tank 1 from the fourth pipe 81. The present invention deeply filters the raw water through the filter membrane mechanism 3 connected in series, and makes the raw water that cannot be completely filtered flow back to the raw water storage place, which effectively improves the cleanliness of the filtration.

[0062] When the present invention is in the backwash state, the solenoid valve 57 is closed, the backwash water tank 8 and the compressed air tank 7 are started synchronously, the backwash water tank 8 provides high-pressure water under the drive of the backwash water pump 71, the compressed air tank 7 is combined with the high-pressure water, and at the same time, the ozone microbubble generating device 6 is started synchronously, and the ozone microbubbles can be synchronously combined with the high-pressure water and flow into the backwash mechanism 4. Among them, the backwash mechanism 4 can clean the filter membrane 35 of each filter membrane mechanism 3, and the backwash mechanism 4 has a plurality of unidirectional nozzles 43 distributed at equal intervals. Ozone microbubble high-pressure water is sprayed from the unidirectional nozzle 43, thereby cleaning the filter membrane 35. It should be noted that the second steel ball 45 cooperates with the limiting net 46 to ensure that the cleaning liquid does not flow back when the filter membrane mechanism 3 is working, and plays the role of isolation and cleaning. In the backwash state, the present invention can effectively clean and disinfect the filter membrane mechanism 3, each pipeline and the concentration tank 1, thereby improving the service life of the present invention and avoiding the labor cost consumed by multiple replacements.

[0063] The filter membrane 35 is driven to rotate by the driving assembly 34. The output end of the motor 91 is connected to the transmission rod 92, the transmission rod 92 is connected to a driving gear 93, the rotating shaft 33 is connected to a passive gear 94, the driving gear 93 and the passive gear 94 are meshed, thereby driving the filter membrane 35 to rotate, and the rotating filter membrane 35 can be linked with the backwash mechanism 4 to achieve a faster cleaning effect.

[0064] The same and similar parts between the various embodiments in this specification can be referenced to each other, and each embodiment focuses on the differences from other embodiments.

[0065] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed in the present application should be included in the protection scope of the present application. Therefore, the protection scope of the present application shall be based on the protection scope of the claims.

Claims

1. A filtering device with a self-cleaning function, characterized in that: include A concentration tank (1), wherein the interior of the concentration tank (1) is hollow, and a guide surface (11) and a first opening (12) are provided at the bottom end of the concentration tank (1); A sludge thickening tank (2), the sludge thickening tank (2) being arranged at the lower end of the thickening tank (1), the sludge thickening tank (2) being connected to the first opening (12) via a pipeline; A filter membrane mechanism (3), the filter membrane mechanism (3) comprising a filter membrane housing (31), a filter membrane plate (32), a rotating shaft (33), a driving assembly (34), a filter membrane (35) and a connecting block (36), the filter membrane plate (32) being arranged at one end of the filter membrane housing (31), the connecting block (36) being arranged at the other end of the filter membrane housing (31), a second opening (37) being arranged at the center of the connecting block (36), the second opening (37) being wide on the left and narrow on the right, A first steel ball (38) is placed in the second opening (37), a plurality of water inlet holes (39) are provided on the filter membrane plate (32), the rotating shaft (33) is connected to the filter membrane plate (32), the driving component (34) is connected to the rotating shaft (33), the driving component (34) drives the rotating shaft (33) to rotate, the filter membrane (35) is arranged on the rotating shaft (33), and a third opening (13) and a fourth opening (14) are provided on the filter membrane housing (31); A backwash mechanism (4), the backwash mechanism (4) comprising a backwash pipe (41), a backwash arc panel (42) and a one-way nozzle (43), the backwash pipe (41) being connected to the third opening (13), the backwash pipe (41) being connected to the backwash arc panel (42), the backwash arc panel (42) having a backwash channel (44), the backwash channel (44) being connected to the backwash pipe (41), the one-way nozzle (43) having a plurality of them, each of which is evenly spaced on the backwash arc panel (42), the one-way nozzle (43) being connected to the backwash channel (44), and the one-way nozzle (43) being provided with a second steel ball (45) and a limiting net (46).

2. The filter device with self-cleaning function according to claim 1, characterized in that: There are multiple filter membrane mechanisms (3), and the water outlet end (51) and the water inlet end (52) of each of two adjacent filter membrane mechanisms (3) are connected via a pipeline. The water inlet end (52) of the first filter membrane mechanism (3) is connected to the concentration tank (1) via a first pipeline (53), and the water outlet end (51) of the last filter membrane mechanism (3) is connected to a water production pool (55) via a second pipeline (54).

3. The filter device with self-cleaning function according to claim 2, characterized in that: A liquid inlet pump (56) is provided between the concentrating tank (1) and the pipeline of the water inlet end (52) of the first filter membrane mechanism (3), and a solenoid valve (57) is provided between the water outlet end (52) of the last filter membrane mechanism (3) and the pipeline of the water production pool (55).

4. The filter device with self-cleaning function according to claim 2, characterized in that: The first pipe (53) is connected to the ozone microbubble generating device (6).

5. The filter device with self-cleaning function according to claim 1, characterized in that: The filtering device with a self-cleaning function comprises a compressed air tank (7) and a backwash water tank (8), wherein the compressed air tank (7) contains compressed air and the backwash water tank (8) contains clean water.

6. The filter device with self-cleaning function according to claim 5, characterized in that: The backwash mechanisms (4) are multiple, each backwash mechanism (4) is correspondingly connected to each filter membrane mechanism (3), one end of the third pipe (47) is connected to each backwash pipe (41), and the other end of the third pipe (47) is respectively connected to the compressed air tank (7) and the backwash water tank (8).

7. The filter device with self-cleaning function according to claim 6, characterized in that: A backwash water pump (71) is provided adjacent to the third pipeline (47) and the backwash water tank (8).

8. The filter device with self-cleaning function according to claim 1, characterized in that: The filtering device with a self-cleaning function comprises a fourth pipe (81), one end of the fourth pipe (81) is connected to the fourth opening (14) of the filter membrane mechanism (3), and the other end of the fourth pipe (81) is connected to the concentration tank (1).

9. The filter device with self-cleaning function according to claim 1, characterized in that: The inner surface of the sludge concentration tank (2) has a protrusion, the outer surface of the sludge collection box (82) has a groove, and the sludge concentration tank (2) is slidably connected to the sludge collection box (82).

10. The filter device with self-cleaning function according to claim 1, characterized in that: The driving assembly (34) comprises a motor (91), a transmission rod (92), a driving gear (93) and a driven gear (94); the motor (91) is arranged on the filter membrane plate (32); the transmission rod (92) is connected to the output end of the motor (91); the driving gear (93) is connected to the transmission rod (92); the driven gear (94) is arranged on the rotating shaft (33); the driving gear (93) is meshed with the driven gear (94); and the motor (91) drives the rotating shaft (33) to rotate.

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