Filtering device and sewage treatment equipment

Abstract

The invention relates to the technical field of sewage filtration, in particular to a filtering device and sewage treatment equipment. According to the filtering device, a cavity is formed in a shell; the filter part is arranged in the shell to divide the cavity into a sewage cavity and a purified water cavity; the driving assembly is connected with the filtering piece and the turbulent flow piece so as to drive the filtering piece to rotate in the cavity; a turbulent flow part arranged in the sewage cavity is formed on the turbulent flow piece, and the driving assembly can drive the turbulent flow piece to rotate, so that vortex is formed in the cavity. Impurities deposited on the surface of the filtering piece can be thrown out through rotation of the filtering piece, vortex is formed in the cavity through rotation of the turbulent flow piece, the impurities on the surface of the filtering piece are flushed, and therefore the purpose of effectively cleaning the impurities deposited on the surface of the filtering piece is achieved; therefore, the sewage treatment equipment can be cleaned under the condition that the filtering piece does not need to be disassembled or replaced, maintenance is convenient, and the service life of the equipment is prolonged.

Description

Technical Field

[0001] The invention relates to the technical field of sewage filtration, and in particular to a filtering device and sewage treatment equipment. Background Art

[0002] Sewage treatment equipment can effectively treat domestic sewage, industrial wastewater, etc., and prevent sewage and impurities from directly flowing into waters, which is of great significance to improving the ecological environment and promoting economic development. Existing sewage treatment requires the use of filters to filter particulate matter, but after a period of use, impurities are easily attached to the surface of the filter, affecting its filtering effect. At this time, the filter needs to be removed from the equipment and manually cleaned with a brush, which is time-consuming and labor-intensive, and also affects the filtration efficiency of sewage. Summary of the invention

[0003] In view of this, the purpose of the present application is to provide a filtering device and a sewage treatment equipment to solve the problem that the filter in the existing sewage treatment equipment needs to be manually cleaned, which is time-consuming and labor-intensive and affects the sewage treatment efficiency.

[0004] A first aspect of the present invention provides a filtering device, wherein the filtering device comprises:

[0005] A shell body having a cavity formed therein;

[0006] A filter element is disposed in the housing to separate the cavity into a sewage cavity and a clean water cavity;

[0007] A driving assembly connected to the filter element to drive the filter element to rotate in the cavity;

[0008] A spoiler is connected to the driving assembly, wherein the spoiler is formed with a spoiler portion arranged in the sewage cavity, and the driving assembly can drive the spoiler to rotate, so that a vortex is formed in the cavity.

[0009] Preferably, the filter element is formed into a cylindrical structure, and filter holes are formed on the filter element; and the spoiler is formed into a fan blade structure.

[0010] Preferably, the drive assembly comprises:

[0011] A driving member is arranged outside the housing;

[0012] The drive shaft is inserted into the shell and connected to the drive element. The filter element and the spoiler are sleeved on the drive shaft. The clean water cavity is formed in a space surrounded by an inner wall of the filter element and an outer wall of the drive shaft. The sewage cavity is formed in a space surrounded by an outer wall of the filter element and an inner wall of the shell. A water outlet channel connected to the clean water cavity is opened inside the drive shaft.

[0013] Preferably, a water inlet and a water outlet are provided on the shell, and the water outlet is arranged on a side of the shell away from the driving member; the water inlet is communicated with the sewage cavity, and the water outlet channel is communicated with the water outlet.

[0014] Preferably, a sewage outlet is provided on the shell; the filtering device further comprises a sewage discharge assembly connected to the shell, and the sewage discharge assembly comprises:

[0015] A valve housing is formed with a valve cavity therein, the valve cavity includes a first channel and a second channel that can communicate with each other, an inlet portion and an outlet portion are formed on the outer wall of the valve housing, the inlet portion is communicated with the sewage outlet and the first channel respectively, and the outlet portion is communicated with the second channel;

[0016] A valve core is disposed in the valve housing, and the valve core can move in the valve housing to disconnect or connect the first channel and the second channel.

[0017] Preferably, the end of the valve housing is formed as a driving end connected to the fluid driving module, and the driving end is arranged at one end in the moving direction of the valve core;

[0018] The sewage discharge assembly also includes:

[0019] The first elastic member is arranged at the other end in the moving direction of the valve core.

[0020] Preferably, the sewage discharge assembly further comprises:

[0021] A connecting piece installed at the outlet portion, a flow guiding cavity is formed inside the connecting piece, and a discharge port communicating with the flow guiding cavity is formed on a side wall of the connecting piece;

[0022] a sliding member, arranged in the diversion cavity, the sliding member being formed with a limiting portion capable of abutting against the outer wall of the valve housing, the sewage entering the second channel being able to squeeze the sliding member to move in a direction close to the connecting member, so as to drive the limiting portion to separate from the valve housing, so that the outlet portion is connected to the second channel and the discharge port;

[0023] The second elastic member is arranged between the connecting member and the sliding member. When the first channel and the second channel are disconnected, the second elastic member can drive the sliding member to move in a direction away from the connecting member, so that the limiting portion abuts against the valve housing.

[0024] Preferably, a recessed snap-fit ​​groove is formed at one end of the sliding member close to the connecting member, and at least a portion of the second elastic member is embedded in the snap-fit ​​groove.

[0025] Preferably, the first channel and the second channel are arranged at intervals in the moving direction of the valve core, and a protruding sealing portion is formed on the circumferential side wall of the valve core, and the sealing portion can abut against the cavity wall of the valve cavity.

[0026] A second aspect of the present invention provides a sewage treatment device, comprising the filtering device described in any of the above technical solutions.

[0027] Compared with the prior art, the present invention has the following beneficial effects:

[0028] The filter device of the present invention has a cavity formed inside a shell; a filter element is arranged in the shell to separate the cavity into a sewage cavity and a clean water cavity, thereby playing a role in filtering impurities in the sewage; a driving component is respectively connected to the filter element and the spoiler to drive the filter element and the spoiler to rotate in the cavity; the rotation of the filter element can generate centrifugal force to make the impurities deposited on the surface of the filter element be thrown outward, the spoiler is formed with a spoiler portion arranged in the sewage cavity, and the driving component can drive the spoiler to rotate to form a vortex in the cavity to flush the impurities on the surface of the filter element, thereby achieving the purpose of effectively cleaning the impurities deposited on the surface of the filter element, and then the sewage treatment equipment can be cleaned without disassembling or replacing the filter element, which is convenient for maintenance and prolongs the service life of the equipment.

[0029] In order to make the above-mentioned objects, features and advantages of the present application more obvious and easy to understand, preferred embodiments are specifically cited below and described in detail with reference to the attached drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0031] Figure 1 A schematic diagram of the structure of a filtering device provided by an embodiment of the present invention;

[0032] Figure 2 For along Figure 1 The cross-section taken at AA in the middle;

[0033] Figure 3 For along Figure 2 Cross-sectional view taken at BB in the middle.

[0034] Icons: 10-shell; 11-first shell; 12-second shell; 13-third shell; 101-water inlet; 102-water outlet; 103-drain outlet; 100-sewage chamber; 200-clean water chamber; 20-filter element; 30-spoiler; 31-spoiler; 41-driving element; 42-driving shaft; 43-limiting convex part; 44-water outlet channel; 51-valve housing; 501-first channel; 50 2-second channel; 511-inlet; 512-outlet; 513-driving end; 52-valve core; 521-sealing part; 53-first elastic member; 61-connecting member; 611-discharge port; 62-sliding member; 622-limiting part; 623-clamping groove; 63-second elastic member; 70-sealing member; 73-bearing; 74-limiting member; 75-oil nozzle; 76-exhaust valve; 80-mounting plate. DETAILED DESCRIPTION

[0035] The following specific embodiments are provided to help the reader obtain a comprehensive understanding of the methods, devices and / or systems described herein. However, after understanding the disclosure of the present application, various changes, modifications and equivalents of the methods, devices and / or systems described herein will be apparent. For example, the order of operations described herein is merely an example, and is not limited to the order set forth herein, but in addition to the operations that must occur in a particular order, changes that will be apparent after understanding the disclosure of the present application may be made. In addition, in order to improve clarity and brevity, descriptions of features known in the art may be omitted.

[0036] The features described herein may be implemented in different forms and should not be interpreted as being limited to the examples described herein. Rather, the examples described herein have been provided only to illustrate some of the many possible ways of implementing the methods, devices and / or systems described herein that will be apparent after understanding the disclosure of the present application.

[0037] Throughout the specification, when an element (such as a layer, a region, or a substrate) is described as being “on”, “connected to”, “bound to”, “over”, or “covering” another element, it may be directly “on”, “connected to”, “bound to”, “over”, or “covering” another element, or one or more other elements may be present between them. In contrast, when an element is described as being “directly on”, “directly connected to”, “directly bound to”, “directly over”, or “directly covering” another element, there may be no other elements present between them.

[0038] As used herein, the term "and / or" includes any one of the associated listed items and any combination of any two or more items.

[0039] Although terms such as "first," "second," and "third" may be used herein to describe various members, components, regions, layers, or portions, these members, components, regions, layers, or portions are not limited by these terms. Rather, these terms are only used to distinguish one member, component, region, layer, or portion from another member, component, region, layer, or portion. Therefore, without departing from the teachings of the examples described herein, the first member, component, region, layer, or portion referred to may also be referred to as the second member, component, region, layer, or portion.

[0040] For ease of description, spatial relational terms such as "above", "upper", "below", and "lower" may be used herein to describe the relationship of one element to another element as shown in the accompanying drawings. Such spatial relational terms are intended to include different orientations of the device in use or operation in addition to the orientation depicted in the accompanying drawings. For example, if the device in the accompanying drawings is turned over, an element described as being "above" or "upper" relative to another element will subsequently be "below" or "lower" relative to the other element. Therefore, the term "above" includes both "above" and "below" orientations depending on the spatial orientation of the device. The device may also be positioned in other ways (e.g., rotated 90 degrees or in other orientations), and the spatial relational terms used herein will be interpreted accordingly.

[0041] The terms used herein are only used to describe various examples and are not used to limit the present disclosure. Unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. The terms "include", "comprise" and "have" list the stated features, quantities, operations, components, elements and / or their combinations that exist, but do not exclude the existence or addition of one or more other features, quantities, operations, components, elements and / or their combinations.

[0042] Variations in the shapes shown in the drawings may occur due to manufacturing techniques and / or tolerances. Therefore, the examples described herein are not limited to the specific shapes shown in the drawings but include variations in shapes that occur during manufacturing.

[0043] The features of the examples described herein may be combined in various ways that will be apparent after understanding the disclosure of the present application. In addition, although the examples described herein have various configurations, other configurations are possible as will be apparent after understanding the disclosure of the present application.

[0044] According to a first aspect of the present invention, a filtering device is provided, which includes a housing 10 , a filtering element 20 , a driving assembly and a spoiler 30 .

[0045] Hereinafter, the specific structures of the above components of the filter device according to the present embodiment will be described.

[0046] In this embodiment, if Figure 1 and Figure 2 As shown, a cavity is formed inside the housing 10, and a filter element 20 is disposed in the housing 10 to separate the cavity into a sewage cavity 100 and a clean water cavity 200. The filter element 20 is formed into a mesh structure with a plurality of filter holes, so that the filter element 20 can intercept impurities in the sewage during the process of the sewage passing from the sewage cavity 100 to the clean water cavity 200, so that the impurities are retained in the sewage cavity 100; the driving component is connected to the filter element 20 to drive the filter element 20 to rotate in the cavity, and the rotation of the filter element 20 can generate centrifugal force, so that the impurities deposited on the surface of the filter element 20 are removed. The impurities on the surface of the filter element 20 are flushed, so that the impurities deposited on the surface of the filter element 20 are effectively cleaned under the combined action of centrifugal force and eddy current impact, so that the sewage treatment equipment can be cleaned without disassembling or replacing the filter element 20, which is convenient for maintenance and prolongs the service life of the equipment.

[0047] It should be noted that, in the present embodiment, when the filter device performs normal filtering work, the driving component does not drive the filter element 20 and the spoiler 30 to rotate; when it is necessary to clean the impurities deposited on the surface of the filter element 20, the driving component can be started. Therefore, the starting cycle of the driving component can be set according to the actual sewage treatment situation to realize automatic cleaning of the filter element 20.

[0048] Furthermore, in this embodiment, if Figure 1 and Figure 2 As shown, the filter element 20 is formed as a cylindrical structure, and filter holes are opened on the circumferential side walls of the filter element 20 to form a sewage chamber 100 and a clean water chamber 200 outside and inside the cylinder; the spoiler 31 is formed as a fan blade structure, and preferably the spoiler 31 is formed as a plurality of fan blade structures arranged around the rotation axis of the filter element 20, so that the vortex generated by the rotation of the spoiler 31 can effectively flush the impurities deposited on the surface of the filter element 20, thereby improving the cleaning effect.

[0049] In this embodiment, if Figure 1 and Figure 2As shown, the driving assembly includes a driving member 41 and a driving shaft 42. The driving member 41 can be a device such as a rotating motor, a rotating cylinder, etc. that can provide rotational power. The driving member 41 is arranged on the outside of the shell 10; the driving shaft 42 passes through the shell 10 and is connected to the driving member 41. The driving member 41 is arranged at one end of the driving shaft 42 in the length direction.

[0050] Furthermore, the filter element 20 and the spoiler 30 are sleeved on the drive shaft 42. Preferably, the circumferential side wall of the drive shaft 42 is formed with a limiting protrusion 43 extending outward, and one end of the spoiler 30 away from the filter element 20 is engaged with the limiting protrusion 43 to achieve axial limitation of the spoiler 30; one end of the filter element 20 on the shaft abuts against the spoiler 30, and the other end abuts against the limiting member 74 sleeved on the drive shaft 42, thereby achieving axial limitation of the spoiler 30 and the filter element 20 to prevent the spoiler 30 and the filter element 20 from moving along the length direction of the drive shaft 42; specifically, an annular groove is provided on the drive shaft 42, and one end of the limiting member 74 in the radial direction is embedded in the annular groove.

[0051] In this embodiment, if Figure 2 As shown, the clean water chamber 200 is formed in the space surrounded by the inner wall of the filter element 20 and the outer wall of the drive shaft 42, and the sewage chamber 100 is formed in the space surrounded by the outer wall of the filter element 20 and the inner wall of the shell 10. A water outlet channel 44 connected to the clean water chamber 200 is opened inside the drive shaft 42, so that water passing through the filter element 20 and entering the clean water chamber 200 can flow to the water outlet channel 44.

[0052] In a preferred embodiment, Figure 2 As shown, the water outlet channel 44 is arranged at one end of the drive shaft 42 away from the drive member 41, so that a cavity is formed inside the end of the drive shaft 42 away from the drive member 41, and the cavity is formed into a strip structure extending along the length direction of the drive shaft 42 and is the main structure of the water outlet channel 44. The cavity wall of the cavity is provided with a plurality of openings arranged around the rotation axis of the drive shaft 42, and the water purification cavity 200 described above and the water outlet 102 shown below are both connected to the cavity via the openings. The plurality of opening structures are provided in two groups and are respectively located at the two ends in the length direction of the cavity, and the axis of each opening extends along the radial direction of the drive shaft 42 and leads to the circumferential side wall of the drive shaft 42, thereby realizing the connection between the cavity and the outside of the drive shaft 42.

[0053] Furthermore, in this embodiment, if Figure 1 and Figure 2As shown, a water inlet 101 and a water outlet 102 are provided on the shell 10. The water outlet 102 is arranged on a side of the shell 10 away from the driving member 41 and is communicated with the water outlet channel 44. The water inlet 101 is communicated with the sewage chamber 100, so that the sewage to be treated enters the sewage chamber 100 through the water inlet 101, and impurities in the sewage are intercepted in the process of the sewage passing through the filter element 20, so that the impurities remain in the sewage chamber 100. The sewage after the impurities are removed enters the clean water chamber 200, and flows out from the water outlet 102 through the water outlet channel 44, thereby completing the filtration treatment of the sewage.

[0054] In addition, if Figure 1 and Figure 2 As shown, the shell 10 includes a first shell 11, a second shell 12 and a third shell 13 arranged in sequence along the extension direction of the drive shaft 42, wherein the second shell 12 is formed as a cylindrical structure, the sewage chamber 100 and the clean water chamber 200 are mainly formed in the space surrounded by the second shell 12, the first shell 11 and the third shell 13 block the two ends of the second shell 12 in the axial direction, and the first shell 11 and the third shell 13 can be connecting flanges.

[0055] like Figure 1 As shown, the filter device further includes a mounting plate 80 disposed outside the filter device for fixing the filter device as a whole at a desired position. Optionally, the mounting plate 80 is connected to the third shell 13 .

[0056] Furthermore, in this embodiment, if Figure 2 As shown, the filtering device also includes a bearing 73 and a seal 70 clamped between the housing 10 and the drive shaft 42; the bearing 73 is provided to achieve smooth rotation and reduce friction and wear; the seal 70 can be a rotating sealing ring, and the seal 70 is provided between the cavity and the bearing 73 in the axial direction of the drive shaft 42 to prevent sewage from entering the bearing 73.

[0057] Preferably, the bearing 73 and the seal 70 are both sandwiched between the first housing 11 and the drive shaft 42 and between the third housing 13 and the drive shaft 42 , and a plurality of seals 70 are provided, and the plurality of seals 70 are arranged at intervals between the cavity and the bearing 73 .

[0058] Furthermore, if Figure 2 As shown, the filtering device also includes an exhaust valve 76 and an oil nozzle 75. Lubrication channels are provided on the first shell 11 and the third shell 13. The lubrication channels are connected to the bearing 73 and / or to the axial position of two adjacent seals 70. The exhaust valve 76 and the oil nozzle 75 are installed on the oil channel. The exhaust valve 76 and the oil nozzle 75 are existing components and their specific structures and working principles are not repeated here.

[0059] In this embodiment, if Figure 2 and Figure 3 As shown, a sewage outlet 103 is provided on the housing 10; the filter device further comprises a sewage outlet assembly connected to the housing 10, which is used to discharge impurities in the sewage chamber 100 to the outside of the housing 10. Preferably, the sewage outlet 103 is arranged at the bottom of the housing 10, and the water inlet 101 is arranged at the top of the housing 10, which helps the impurities to accumulate at the bottom of the housing 10 under the action of gravity, so that they can be discharged from the housing 10 when the sewage outlet assembly is opened.

[0060] Specifically, in this embodiment, Figure 2 and Figure 3 As shown, the sewage discharge assembly includes a valve housing 51 and a valve core 52. A valve cavity is formed inside the valve housing 51. The valve cavity includes a first channel 501 and a second channel 502 that can communicate with each other. The first channel 501 and the second channel 502 are arranged at intervals. An inlet 511 and an outlet 512 are opened on the outer wall of the valve housing 51. The inlet 511 is communicated with the sewage outlet 103 and the first channel 501 respectively, and the outlet 512 is communicated with the second channel 502, so that the sewage carrying impurities that needs to be discharged from the outside of the housing 10 is discharged through the sewage outlet 103 and the inlet 511. The mouth 511 enters the valve housing 51, and then flows out of the valve housing 51 in the first channel 501, the second channel 502 and the outlet 512 in sequence; the valve core 52 is arranged in the valve housing 51, and the valve core 52 can move in the valve housing 51, so as to disconnect or connect the first channel 501 and the second channel 502. When the first channel 501 and the second channel 502 are connected, impurities are discharged to the outside of the shell 10. When the first channel 501 and the second channel 502 are disconnected, sewage carrying impurities cannot enter the second channel 502, and thus cannot flow out of the valve housing 51.

[0061] In a first preferred embodiment, Figure 2 and Figure 3 As shown, the valve core 52 is slidably connected to the valve housing 51, and the end of the valve housing 51 is formed as a driving end 513 connected to the fluid driving module. The fluid driving module can be a hydraulic module. The driving end 513 is arranged at one end in the moving direction of the valve core 52. The driving end 513 is preferably a hydraulic input port, which is connected to a hydraulic motor, so that the movement of the valve core 52 can be controlled by pressing hydraulic oil; the first channel 501 and the second channel 502 are arranged at intervals in the moving direction of the valve core 52, and a protruding sealing portion 521 is formed on the circumferential side wall of the valve core 52. The sealing portion 521 is formed in an annular structure and can abut against the cavity wall of the valve cavity, so that the first channel 501 and the second channel 502 are disconnected when the sealing portion 521 abuts against the cavity wall, and the first channel 501 and the second channel 502 are connected when the sealing portion 521 is separated from the valve cavity, and then the driving end 513 controls the sliding of the valve core 52 to control the connection or disconnection of the first channel 501 and the second channel 502, which has the advantages of convenient operation and sensitive control.

[0062] Furthermore, if Figure 2 As shown, the sewage discharge component also includes a first elastic member 53, which is a spring and is arranged at the other end in the moving direction of the valve core 52, that is, the first elastic member 53 and the driving end 513 are respectively arranged at the two ends in the moving direction of the valve core 52. When the driving end 513 is pressed with hydraulic oil, it can drive the valve core 52 to move in the direction away from the driving end 513 to achieve the squeezing of the first elastic member 53, thereby opening the connection between the first channel 501 and the second channel 502. When the impurities are discharged from the housing 10, the hydraulic motor as described above is closed. At this time, the first elastic member 53 is reset to push the valve core 52 to move in the direction close to the driving end 513 until the sealing portion 521 is firmly abutted against the cavity wall to ensure that the first channel 501 and the second channel 502 are disconnected.

[0063] In a second optional implementation, the valve core is rotatably connected to the valve housing to achieve communication or disconnection between the first channel and the second channel.

[0064] In a preferred embodiment, Figure 3 As shown, the sewage discharge assembly also includes a connecting member 61, a sliding member 62 and a second elastic member 63. Specifically, the connecting member 61 is installed on the outlet portion 512. The connecting member 61 can be formed as a cap arranged on the outer wall of the valve housing 51. A guide cavity is formed inside the connecting member 61. A discharge port 611 connected to the guide cavity is formed on the side wall of the connecting member 61. The discharge port 611 is arranged in the circumferential direction of the connecting member 61; the sliding member 62 is arranged in the guide cavity, and a limiting portion 622 is formed on the sliding member 62 that can abut against the outer wall of the valve housing 51, so that the valve housing 51 can limit the sliding of the sliding member 62, and the sewage entering the second channel 502 can squeeze the sliding member 62 to move it toward the direction close to the connecting member 61, so as to drive the limiting portion 622 to separate from the valve housing 51, so that the outlet portion 512 is connected to the second channel 502 and the discharge port 611.

[0065] The second elastic member 63 is arranged between the connecting member 61 and the sliding member 62. The second elastic member 63 can be a compression spring. When the valve core 52 moves to the point where the first channel 501 and the second channel 502 are connected, sewage carrying impurities enters the second channel 502 and drives the sliding member 62 to move so that the limiting portion 622 is separated from the valve housing 51, thereby squeezing the second elastic member 63. When the valve core 52 moves to the point where the first channel 501 and the second channel 502 are disconnected, the second elastic member 63 is reset to drive the sliding member 62 to move in a direction away from the connecting member 61, so that the limiting portion 622 abuts against the valve housing 51, thereby closing the outlet portion 512 to prevent external impurities from entering the valve housing 51 and causing pollution or blockage.

[0066] In a preferred embodiment, Figure 3As shown, a recessed snap-in groove 623 is formed at one end of the sliding member 62 close to the connecting member 61, and at least a portion of the second elastic member 63 is embedded in the snap-in groove 623, so that it has the effect of circumferentially limiting the second elastic member 63, ensuring that the second elastic member 63 can be extended and retracted along its axis, thereby ensuring that the sliding trajectory of the sliding member 62 can effectively open or block the outlet portion 512.

[0067] In other optional embodiments, the outlet portion 512 is directly connected to a sewage pipeline. Specifically, one end of the outlet portion 512 facing the outside of the valve housing 51 is provided with a thread for connection with the sewage pipeline.

[0068] In this embodiment, the expansion and contraction direction of the first elastic member 53 is perpendicular to the expansion and contraction direction of the second elastic member 63 .

[0069] According to the filter device of the present invention, a cavity is formed inside the shell; the filter element is arranged in the shell to separate the cavity into a sewage cavity and a clean water cavity, thereby filtering impurities in the sewage; the driving component is connected to the filter element and the spoiler respectively to drive the filter element and the spoiler to rotate in the cavity; the rotation of the filter element can generate centrifugal force to throw out the impurities deposited on the surface of the filter element, and the spoiler is formed with a spoiler portion arranged in the sewage cavity. The driving component can drive the spoiler to rotate to form a vortex in the cavity to flush the impurities on the surface of the filter element, thereby achieving the purpose of effectively cleaning the impurities deposited on the surface of the filter element, and then the filter element can be cleaned without disassembling or replacing it, which is convenient for maintenance and extends the service life of the filter element.

[0070] The second aspect of the present invention provides a sewage treatment device, including the filtering device as described above, which can clean the impurities deposited on the surface of the filter element without disassembling or replacing the filter element, thereby improving the sewage treatment efficiency of the sewage treatment equipment and the service life of the equipment.

[0071] Finally, it should be noted that the above-described embodiments are only specific implementation methods of the present application, which are used to illustrate the technical solutions of the present application, rather than to limit them. The protection scope of the present application is not limited thereto. Although the present application is described in detail with reference to the above-described embodiments, ordinary technicians in the field should understand that any technician familiar with the technical field can still modify the technical solutions recorded in the above-described embodiments within the technical scope disclosed in the present application, or can easily think of changes, or make equivalent replacements for some of the technical features therein; and these modifications, changes or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application, and should be included in the protection scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. A filtering device, characterized in that: The filtering device comprises: A shell body having a cavity formed therein; A filter element is disposed in the housing to separate the cavity into a sewage cavity and a clean water cavity; A driving assembly connected to the filter element to drive the filter element to rotate in the cavity; A spoiler is connected to the driving assembly, wherein the spoiler is formed with a spoiler portion arranged in the sewage cavity, and the driving assembly can drive the spoiler to rotate, so that a vortex is formed in the cavity.

2. The filtering device according to claim 1, characterized in that: The filter element is formed into a cylindrical structure, and filter holes are opened on the filter element; the spoiler is formed into a fan blade structure.

3. The filtering device according to claim 1, characterized in that: The drive assembly comprises: A driving member, arranged outside the housing; The drive shaft is inserted into the shell and connected to the drive element. The filter element and the spoiler are sleeved on the drive shaft. The clean water cavity is formed in a space surrounded by an inner wall of the filter element and an outer wall of the drive shaft. The sewage cavity is formed in a space surrounded by an outer wall of the filter element and an inner wall of the shell. A water outlet channel connected to the clean water cavity is opened inside the drive shaft.

4. The filtering device according to claim 3, characterized in that: The shell is provided with a water inlet and a water outlet, wherein the water outlet is arranged on a side of the shell away from the driving member; the water inlet is communicated with the sewage cavity, and the water outlet channel is communicated with the water outlet.

5. The filtering device according to claim 1, characterized in that: The housing is provided with a sewage outlet; the filter device further comprises a sewage discharge assembly connected to the housing, the sewage discharge assembly comprising: A valve housing is formed with a valve cavity therein, the valve cavity includes a first channel and a second channel that can communicate with each other, an inlet portion and an outlet portion are formed on the outer wall of the valve housing, the inlet portion is communicated with the sewage outlet and the first channel respectively, and the outlet portion is communicated with the second channel; A valve core is disposed in the valve housing, and the valve core can move in the valve housing to disconnect or connect the first channel and the second channel.

6. The filtering device according to claim 5, characterized in that: The end of the valve housing is formed as a driving end connected to the fluid driving module, and the driving end is arranged at one end in the moving direction of the valve core; The sewage discharge assembly also includes: The first elastic member is arranged at the other end in the moving direction of the valve core.

7. The filtering device according to claim 5, characterized in that: The sewage discharge assembly also includes: A connecting piece installed at the outlet portion, a flow guiding cavity is formed inside the connecting piece, and a discharge port communicating with the flow guiding cavity is formed on a side wall of the connecting piece; a sliding member, arranged in the diversion cavity, the sliding member being formed with a limiting portion capable of abutting against the outer wall of the valve housing, the sewage entering the second channel being able to squeeze the sliding member to move in a direction close to the connecting member, so as to drive the limiting portion to separate from the valve housing, so that the outlet portion is connected to the second channel and the discharge port; The second elastic member is arranged between the connecting member and the sliding member. When the first channel and the second channel are disconnected, the second elastic member can drive the sliding member to move in a direction away from the connecting member, so that the limiting portion abuts against the valve housing.

8. The filtering device according to claim 7, characterized in that: A recessed clamping groove is formed at one end of the sliding member close to the connecting member, and at least a portion of the second elastic member is embedded in the clamping groove.

9. The filtering device according to claim 5, characterized in that: The first channel and the second channel are arranged at intervals in the moving direction of the valve core, and a protruding sealing portion is formed on the circumferential side wall of the valve core, and the sealing portion can abut against the cavity wall of the valve cavity.

10. A sewage treatment equipment, characterized in that: A filter device comprising any one of claims 1 to 9.

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