Filtering device

CN224893584UActive Publication Date: 2026-10-27SHENZHEN LANKE ENVIRONMENTAL TECH CO LTD
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Patent Information

Application Number
CN202522490742.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-11-24
Publication Date
2026-10-27
Estimated Expiration
2035-11-24

AI Technical Summary

Technical Problem

[0002]含油待处理污水中,如湿法冶金过程中的各种含油含离子的污水中,往往会同时含有颗粒物和悬浮物,这些颗粒物和悬浮物的存在给油水分离装置和方法带来了很大挑战;这些颗粒物和悬浮物在过滤材料的表面容易聚集导致滤材堵塞,从而影响油水分离装置的正常运行

Benefits of technology

[0021]同现有技术相比较,本申请的有益效果之一:过滤装置的上下腔体结构和导通管的连接方式,让液体中的杂质颗粒物,因重力,难以进入M进液口,从而会留在A1腔体中,实现了该部分杂质的分离过滤。

✦ Generated by Eureka AI based on patent content.

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Abstract

The filter device comprises a containing assembly, a through pipe, an inlet ID1, an outlet OD1 and a filter assembly; the containing assembly comprises an A1 cavity and an A2 cavity; the through pipe is connected with the A1 cavity and the A2 cavity; one end of the through pipe is located in the A1 cavity and the other end is located in the A2 cavity; the through pipe comprises a liquid flow channel; the through pipe in the A1 cavity comprises N liquid inlets which are connected with the channel; the through pipe in the A2 cavity comprises N liquid outlets which are connected with the channel; the inlet ID1 is connected with the A1 cavity and is used for the entry of the liquid to be treated; the outlet OD1 is connected with the A2 cavity and is used for the outflow of the treated liquid; the filter assembly comprises a connecting sleeve and a filter device; the connecting sleeve comprises a B1 containing cavity; the B1 containing cavity is connected with the M1 containing cavity; the filter device is connected with the connecting sleeve; the filter assembly is arranged in the A2 cavity; and the through pipe is connected with the B1 containing cavity.
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Description

Technical Field

[0001] This application relates to filtration devices, specifically to a water treatment filtration device that can be used for water containing particulate matter and suspended solids, and can be used for water filtration treatment of oily wastewater, wastewater containing impurities, and water in hydrometallurgical processes. Background Technology

[0002] Oily wastewater, such as various oily and ion-containing wastewaters from hydrometallurgical processes, often contains both particulate matter and suspended solids. The presence of these particulate matter and suspended solids poses a significant challenge to oil-water separation devices and methods. These particulate matter and suspended solids easily accumulate on the surface of filter materials, causing filter media blockage and thus affecting the normal operation of the oil-water separation device.

[0003] How to achieve efficient graded filtration, allowing different types of impurities to enter different chambers, is one of the important issues in the field of water filtration treatment.

[0004] How to better filter and separate different types of substances through structural design is a technical problem that the industry needs to solve. Summary of the Invention

[0005] The technical solution of this application overcomes the shortcomings of the prior art and designs a filter component and filter device that can significantly improve the oil-water separation efficiency containing particulate matter and suspended solids.

[0006] The technical solution of this application to solve the above-mentioned technical problems is a filtration device, including a receiving component, a guide tube, an inlet ID1, an outlet OD1, and a filtration assembly; the receiving component internally includes a cavity A1 and a cavity A2; the guide tube connects the cavity A1 and the cavity A2; one end of the guide tube is located in the cavity A1, and the other end is located in the cavity A2; the guide tube internally includes a liquid flow channel, and the guide tube located in the cavity A1 includes an N inlet, which is connected to the aforementioned channel; the end of the guide tube located in the cavity A2 includes... N outlet is connected to the aforementioned channel; inlet ID1 is connected to cavity A1 for the liquid to be treated to enter cavity A1; outlet OD1 is connected to cavity A2 for the treated liquid to flow out of cavity A2; it also includes a filter assembly; the filter assembly includes a connecting kit and a filter device; the connecting kit includes cavity B1; cavity B1 is connected to cavity M1; the filter device and the connecting kit are connected; the filter assembly is disposed in cavity A2; the aforementioned guide tube is connected to cavity B1.

[0007] Alternatively, the aforementioned filter device may be an M1 filter device, which includes an M1 receiving cavity with a bottom opening for communicating with a B1 receiving cavity; the bottom opening of the M1 receiving cavity includes a mounting component for connecting with a connecting kit.

[0008] Alternatively, the aforementioned filtration device may include an M2 filtration device, which includes an M2 receiving cavity with a bottom opening for communicating with a B1 receiving cavity; the bottom opening of the M2 receiving cavity includes a mounting component for connecting with a connecting kit; and the B1 receiving cavity communicates with the M2 receiving cavity.

[0009] It is possible that either the M1 or M2 receiving cavity is a multi-faceted prism, with each sidewall of the M1 receiving cavity protruding outward to form the A filter material receiving section.

[0010] It is possible that either the M1 or M2 receiving cavity is cylindrical, and the side wall of the M1 receiving cavity is covered with a C filter material receiving part.

[0011] Alternatively, the connecting kit may be a hollow cylinder with multiple through holes, and the B1 receiving cavity may be connected to the outside through the through holes; the filter may be an annular structure and may cover the through holes.

[0012] Alternatively, the connecting kit may be a hollow cylinder, and the B1 receiving cavity may be connected to the outside through a through hole; the filtering device may include one or more filter tiles, which cover the one or more through holes.

[0013] It may also include outlet OD3, the top of the above-mentioned connecting kit includes liquid outlet K1, which is connected to outlet OD3; the horizontal cross-section of the above-mentioned A1 cavity is circular, and inlet ID1 is connected to inlet pipe, which is perpendicular to the radius of the above-mentioned circle.

[0014] It is possible that the aforementioned N inlet includes multiple openings, and the diameter of the openings is less than one-fifth of the diameter of the conductive tube.

[0015] It may also include a filter kit, which is fitted onto the aforementioned guide tube and covers the aforementioned N inlet.

[0016] It may also include a enclosure cylinder, which includes a central through hole. The bottom of the enclosure cylinder is connected to the bottom of the A1 cavity. One end of the guide tube passes through the central through hole and extends into the A1 cavity. The upper part of the enclosure cylinder is connected to the A1 cavity.

[0017] It may also include a drain outlet OD5, which is connected to the bottom of the cavity A1.

[0018] It may also include outlet OD2; outlet OD2 is connected to cavity A2 and is used for the treated liquid to flow out of cavity A2; outlet OD2 is located at the bottom of cavity A2; outlet OD1 is located at the top of cavity A2.

[0019] It may also include a support component, which is connected to the bottom of the receiving component; the support component includes a support pipe, which is connected to the A1 cavity, and the drain outlet OD5 is disposed on the support pipe and is connected to the support pipe.

[0020] Yes, the guide tube is a hollow rotating shaft, and a mechanical seal device A is installed on the hollow rotating shaft. The mechanical seal device A is used to achieve a metal-sealed connection with the external power device.

[0021] Compared with the prior art, one of the beneficial effects of this application is that the upper and lower cavity structure of the filter device and the connection method of the guide pipe make it difficult for impurity particles in the liquid to enter the M inlet due to gravity, so they will remain in the A1 cavity, thus realizing the separation and filtration of this part of the impurities.

[0022] Compared with the prior art, one of the advantages of this application is that the filter device in the filter assembly can be set separately, which facilitates the replacement of consumables. The bottom opening of the M1 receiving cavity includes a mounting component, which may be a connecting thread, for detachable connection with the connecting kit or other external connection terminals.

[0023] Compared with the prior art, one of the advantages of this application is that the M1 receiving cavity with a polygonal shape is easy to manufacture and can accommodate as much filter material as possible; each side wall protrudes outward to form the A filter material receiving part, which can further expand the space for accommodating filter material.

[0024] Compared with the prior art, one of the beneficial effects of this application is that the cylindrical M1 receiving cavity is designed to facilitate manufacturing and accommodate as much filter material as possible; the C filter material receiving part is wrapped around the side wall of the M1 receiving cavity to further accommodate filter material and enhance the filtration effect.

[0025] Compared with the prior art, one of the advantages of this application is that the connection kit can connect multiple M1 filter devices at once. The more M1 filter devices the connection kit can connect, the greater the overall benefit.

[0026] Compared with the prior art, one of the advantages of this application is that it sets up multiple filtration devices to perform filtration simultaneously, thereby enhancing the filtration effect.

[0027] Compared with the prior art, one of the advantages of this application is that the connecting kit itself provides liquid containment space and interface for connecting multiple filter devices, and the power device rotates the guide tube, increasing the contact area and exchange rate between water and filter media.

[0028] Compared with the prior art, one of the beneficial effects of this application is that the multiple openings of the N inlet and the setting of the opening diameter further enhance the filtration effect of the N inlet, and the corresponding opening diameter can be set according to the size of the impurity particles in the water to be filtered.

[0029] Compared with the prior art, one of the beneficial effects of this application is that the filter kit further increases the filtration effect of the N inlet.

[0030] Compared with the prior art, one of the beneficial effects of this application is that the way the inlet ID1 and the liquid inlet pipe are set up allows the liquid to flow better in the A1 cavity, which can further enhance the filtration effect through the M inlet.

[0031] Compared with the prior art, one of the beneficial effects of this application is that the baffle can block the impurities that are deposited at the bottom of the A1 cavity due to gravity after filtration outside the baffle, so as to avoid affecting the filtration effect of the N inlet and ensure that the water entering the N inlet carries as few deposited impurities as possible.

[0032] Compared with the prior art, one of the beneficial effects of this application is that the OD5 outlet can directly discharge the sedimented impurities.

[0033] Compared with the prior art, one of the beneficial effects of this application is that using a support component as a sewage pipe can reduce the number of openings. The support component has a large depth, which can accommodate more separated materials, and at the same time, the depth allows the separated materials to settle effectively.

[0034] Compared with the prior art, one of the beneficial effects of this application is that the setting of outlet OD2 can discharge impurities precipitated in the A2 cavity, and outlet OD1 is set at the top of the A2 cavity to discharge suspended matter such as oil.

[0035] Compared with existing technologies, one of the beneficial effects of this application is that the placement of outlets OD3 and K1 allows for the discharge of suspended solids from the B1 containing chamber; the connection between outlet K2 and chamber A2 ensures water exchange between chamber A2 and the connecting kit, which is beneficial for the filtration of suspended solids. Filtration of suspended solids of different properties is possible, and the suspended solids discharged from outlets OD3 and OD1 can be of different properties. Of course, the suspended solids discharged from outlets OD3 and OD1 can also be of the same properties. When a connecting kit is provided, the connecting kit itself can also be a component with filtration properties, further improving the separation and filtration efficiency.

[0036] Compared with the prior art, one of the beneficial effects of this application is that the rotation of the guide tube drives the liquid to rotate at high speed in the A1 and A2 chambers. Impurities are separated due to centrifugal force and gravity, and it is difficult for impurities to enter from the M inlet, thereby playing a separation role.

[0037] Compared with the prior art, one of the beneficial effects of this application is that the blades rotate with the guide tube, thereby enhancing the driving force and achieving better stirring and centrifugal separation effects.

[0038] Compared with the prior art, one of the beneficial effects of this application is that the A1 cavity and the A2 cavity are set up at the top and bottom respectively, and the A2 cavity and the A1 cavity are used for step-by-step separation, which enhances the separation effect; the blades are in the A1 cavity, which can further enhance the centrifugal separation and gravity separation effect.

[0039] Compared with the prior art, one of the beneficial effects of this application is that the mechanical seal device A can keep the A1 cavity and the power device sealed, ensuring the seal during high-speed rotation, improving the safety and efficiency of the equipment, and ensuring the centrifugal separation effect. Attached Figure Description

[0040] Figure 1 This is a schematic diagram of one embodiment of the filtration device; Figure 2 This is a schematic diagram of one embodiment of the filtration device; Figure 3 This is a schematic diagram of one embodiment of the filtration device; Figure 4 This is a schematic diagram of one embodiment of the filter component; Figure 5 This is a schematic diagram of one embodiment of the filtration device; Figure 6 This is a schematic diagram of one embodiment of the filtration device; Figure 7 This is a schematic diagram of one embodiment of the filtration device; Figure 8 This is a schematic diagram of the water flow inside cavity A1; Figure 9 This is a schematic diagram of one embodiment of the filtration device; Figure 10 This is a schematic diagram of one embodiment of the filtration device; Figure 11 This is one of the perspective schematic diagrams of one embodiment of the filtration device; Figure 12 This is a second perspective view of one embodiment of the filtration device; Figure 13 This is one of the cross-sectional schematic diagrams of one embodiment of the filtration device; Figure 14 This is a second cross-sectional schematic diagram of one embodiment of the filtration device; Figure 15 This is one of the cross-sectional schematic diagrams of a mechanical seal structure; Figure 16This is the second cross-sectional schematic diagram of the mechanical seal structure. Detailed Implementation

[0041] The contents of this application will be further described in detail below with reference to the accompanying drawings.

[0042] like Figure 1 An embodiment of a filtration device includes a receiving component, a connecting pipe, an inlet ID1, an outlet OD1, and a filtration assembly. The receiving component internally includes a cavity A1 and a cavity A2. The connecting pipe 0410 connects the cavity A1 and the cavity A2. One end of the connecting pipe is located in the cavity A1, and the other end is located in the cavity A2. The connecting pipe 0410 internally includes a liquid flow channel. The connecting pipe located in the cavity A1 includes an N inlet 0411, which is connected to the channel. The end of the connecting pipe located in the cavity A2 includes an N outlet 0412, which is connected to the channel. The inlet ID1 is connected to the cavity A1 for the liquid to be treated to enter the cavity A1. The outlet OD1 is connected to the cavity A2 for the treated liquid to flow out of the cavity A2.

[0043] The upper and lower chamber structure of the filter device and the connection method of the guide pipe make it difficult for impurity particles in the liquid to enter the M inlet due to gravity, so they remain in the A1 chamber, thus achieving the separation and filtration of these impurities.

[0044] like Figure 1 In one embodiment of a filtration device, during operation, liquid enters the internal channel of the guide tube through the N inlet. The liquid inside the guide tube first enters the B1 receiving cavity, then enters the M1 receiving cavity, passes through the filter material, enters the A2 cavity, and flows out from the outlet OD1.

[0045] like Figure 1 An embodiment of a filtering device further includes a filtering assembly; the filtering assembly is disposed in the aforementioned cavity A2; the filtering assembly includes a connecting kit 0420 and a filtering device M1, the connecting kit 0420 including a receiving cavity B1; the filtering device M1 0430 including a receiving cavity M1; the aforementioned receiving cavity B1 is in communication with the receiving cavity M1; the aforementioned guide tube is in communication with the aforementioned receiving cavity B1.

[0046] like Figure 1 An embodiment of a filtration device includes a bottom opening of a housing M1 for communication with a housing B1; the housing M1 is used for the liquid to be filtered to pass through from the bottom opening; a filter material is disposed in a filter media housing 0431; the housing M1 is connected to the outside through the filter material in the filter media housing A, for outputting the filtered liquid to a housing A2.

[0047] In some embodiments, the end of the conduit located in cavity A1 is closed.

[0048] In some embodiments, the end of the conduit located in cavity A1 is not sealed. Alternatively, a filter screen may be provided at the end.

[0049] like Figure 2 In one embodiment of a filtration device, the M1 filtration device includes an M1 receiving cavity 0120 with a bottom opening for communication with a B1 receiving cavity; the M1 receiving cavity includes an A filter media receiving section 0130; filter media is disposed in the A filter media receiving section; the M1 receiving cavity is connected to the outside through the filter media in the A filter media receiving section for outputting filtered liquid; the A filter media receiving section is flat, which facilitates production and replacement.

[0050] The filter unit can be installed independently for easy replacement of consumables. The lower part of the M1 housing of the M1 filter unit may include connecting threads for detachable connection with a connection kit or other external connection terminals.

[0051] like Figure 2 The M1 receiving cavity is a multi-faceted prism, and each side wall of the M1 receiving cavity protrudes outward to form the A filter material receiving part 0130.

[0052] exist Figure 2 In this embodiment, the M1 receiving cavity is a quadrangular prism, and each side wall of the quadrangular prism is provided with an A filter media receiving portion 0130. Filter media is placed in the A filter media receiving portion inside the M1 receiving cavity.

[0053] The M1 housing cavity, with its multi-faceted prism shape, is easy to manufacture and can hold as much filter material as possible; each sidewall protrudes outward to form the A filter material housing section, which can further expand the space for holding filter material.

[0054] like Figure 3 In one embodiment of the filtration device, the M1 receiving cavity 0220 is a cylinder including multiple holes, and the sidewall of the M1 receiving cavity is covered with a C filter media receiving portion 0230. The interior of the M1 receiving cavity 0220 may also be filled with filter material 0270.

[0055] The cylindrical M1 receiving cavity is designed for ease of manufacturing and to accommodate as much filter material as possible. The C filter material receiving section is wrapped around the side wall of the M1 receiving cavity to further accommodate filter material and enhance the filtration effect.

[0056] like Figure 4 In one embodiment of a filter assembly, a connecting kit 0330 is further included, the connecting kit including a B1 receiving cavity 0350; an M1 filter device 0360 including an M1 receiving cavity 0370; the B1 receiving cavity 0350 and the M1 receiving cavity 0370 are in communication.

[0057] like Figure 5An embodiment of a filtration device further includes an M2 filtration device 0520; the M2 filtration device includes an M2 receiving cavity; an A filter media receiving section 0521 is provided outside the M2 receiving cavity, the A filter media receiving section is used for the liquid to be filtered to pass through from the bottom opening; a filter media receiving section is provided with filter media; the M2 receiving cavity is connected to the outside through the filter media in the A filter media receiving section, for outputting the filtered liquid; the aforementioned B1 receiving cavity is connected to the M2 receiving cavity.

[0058] Multiple M2 filter devices are installed to filter simultaneously, enhancing the filtration effect.

[0059] like Figure 6 In one embodiment of a filtering device, the connecting kit 0610 is a hollow cylinder with multiple through holes, and the B1 receiving cavity communicates with the outside through the through holes; the filtering device 0620 has an annular structure, and the filtering device 0620 covers the through holes on the hollow cylinder, with filter material covering the openings; the B1 receiving cavity communicates with the outside through the filter material.

[0060] If the connecting kit and the guide tube are mechanically connected, they can rotate together, bringing centrifugal force to the filter device and increasing the filtering power.

[0061] In some embodiments of the filtration device, the filtration device includes one or more filter tiles that cover one or more through-holes in the connecting kit. This further enhances the filtration effect.

[0062] like Figure 7 One embodiment of the filtration device further includes an outlet OD3, and the top of the aforementioned connection kit includes a liquid outlet K1, which is in communication with the outlet OD3.

[0063] like Figure 8 In one embodiment of a filtration device, the horizontal cross-section of the aforementioned A1 cavity is circular, and the inlet ID1 is connected to the liquid inlet pipe 0910, which is perpendicular to the radius of the aforementioned circle. When the liquid enters the A1 cavity, it causes the liquid to rotate, generating centrifugal force and achieving a centrifugal separation effect.

[0064] like Figure 1 In one embodiment of a filtration device, the N inlet 0411 includes multiple openings, the diameter of which is less than one-fifth of the diameter of the guide tube. The multiple openings of the N inlet, and the setting of their diameters, further enhance the filtration effect of the N inlet. The appropriate opening diameter can be set according to the size of the impurity particles in the water to be filtered.

[0065] like Figure 5One embodiment of a filtration device further includes a filter kit 0530, which is sleeved on the guide tube and covers the N inlet.

[0066] like Figure 7 and Figure 9 One embodiment of the filtration device further includes a baffle cylinder 0720, which includes a central through hole. The bottom of the baffle cylinder is connected to the bottom of the A1 cavity, and one end of a guide tube passes through the central through hole and extends into the baffle cylinder. The upper part of the baffle cylinder is in communication with the A1 cavity. The baffle cylinder allows only the central portion of the upper liquid to enter, improving the separation effect.

[0067] like Figure 9 An embodiment of a filtration device further includes a drain outlet OD5, which is connected to the bottom of the A1 cavity; like Figure 10 An embodiment of a filtration device further includes an outlet OD2; the outlet OD2 is connected to the A2 cavity and is used for the treated liquid to flow out of the A2 cavity; the outlet OD2 is located at the bottom of the A2 cavity; the outlet OD1 is located at the top of the A2 cavity.

[0068] In the extraction process, oil floats to the surface and is discharged through OD1, while water is discharged through OD2.

[0069] like Figure 10 An embodiment of a filtration device further includes a support assembly connected to the bottom of a receiving assembly; the support assembly includes a support pipe communicating with the A1 cavity, and the drain outlet OD5 is disposed on the support pipe and communicates with the support pipe.

[0070] like Figure 10 In one embodiment of a centrifugal filtration separation device, the guide tube 1070 includes blades 1060; the blades 1060 are mounted on the guide tube and are located in the A2 cavity.

[0071] like Figure 10 In one embodiment of a centrifugal filtration and separation device, the guide tube is a hollow rotating shaft, and a mechanical seal device 1030 is provided on the hollow rotating shaft. The mechanical seal device 1030 is used to achieve a metal-sealed connection with the power device 1050.

[0072] like Figure 15 and Figure 16 This is a connection diagram of a mechanical seal device. The mechanical seal device can also be other mechanical seal devices existing in the art. For example... Figure 15 The packing area is primarily used for sealing. For example... Figure 16 The designations 1610 and 1620 are also structural components used for sealing.

[0073] like Figure 11 In one embodiment of a centrifugal filtration and separation device, there are an inlet ID1, an outlet OD1, an outlet OD2, a power unit 1150, and a mechanical seal device A 1160. Outlet OD2 communicates with cavity A2 and is used for the treated liquid to flow out of cavity A2; outlet OD2 is located at the bottom of cavity A2; outlet OD1 is located at the top of cavity A2. The guide pipe is a hollow rotating shaft, and the mechanical seal device A 1160 is installed on the hollow rotating shaft. The mechanical seal device A 1160 is used to achieve a metal-sealed connection with the power unit 1150.

[0074] like Figure 12 In one embodiment of a centrifugal filtration and separation device, the support assembly includes four support pipes 1220, which are connected to the A2 cavity. The drain outlet OD5 is disposed on the support pipe and is connected to the support pipe.

[0075] like Figure 13 and Figure 14 In one embodiment of a centrifugal filtration separation device, a connecting kit 1310 and a plurality of M1 filtration devices 1320 are included; the connecting kit includes a B1 receiving cavity 1410; the M1 filtration devices include M1 receiving cavities 1420; the B1 receiving cavity 1410 and the M1 receiving cavity 1420 are in communication.

[0076] like Figure 14 In one embodiment of a centrifugal filtration separation device, the guide tube 1460 includes blades 1450; the blades 1450 are mounted on the guide tube 1460 and are located in the A2 cavity.

[0077] The above description is merely an embodiment of this application and does not limit the scope of this application. Any equivalent structural or procedural transformations made based on the content of the application specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the scope of protection of this application.

Claims

1. A filtration device, characterized in that, Includes housing components, conduit, inlet ID1, outlet OD1, and filter components; The internal components of the housing include cavity A1 and cavity A2; The conduit connects cavity A1 and cavity A2; One end of the conduit is located in cavity A1, and the other end is located in cavity A2; The conduit contains a channel for liquid flow, and the conduit located in cavity A1 includes an N inlet, which is connected to the channel. The conduit located at one end of cavity A2 includes an N liquid outlet, which is connected to the channel. The inlet ID1 is connected to the A1 cavity and is used for the liquid to be treated to enter the A1 cavity; The outlet OD1 is connected to the A2 cavity, allowing the treated liquid to flow out of the A2 cavity; A filter assembly, including a connecting kit and a filter device; the connecting kit includes a B1 receiving cavity; the filter device and the connecting kit are connected. The filter assembly is disposed in the A2 cavity; The conduit is connected to the B1 accommodating cavity.

2. The filtration device according to claim 1, characterized in that, The filtering device is an M1 filtering device, which includes an M1 receiving cavity and a B1 receiving cavity connected together. The bottom opening of the M1 receiving cavity includes a mounting component for connection with a connection kit.

3. The filtration device according to claim 2, characterized in that, The M1 receiving cavity is a multi-faceted prism, and each side wall of the M1 receiving cavity protrudes outward to form the A filter material receiving section.

4. The filtration device according to claim 2, characterized in that, The M1 receiving cavity is cylindrical, and the side walls of the M1 receiving cavity are covered with C filter media receiving parts.

5. The filtration device according to claim 1, characterized in that, The connecting kit is a hollow cylinder, which includes multiple through holes. The B1 receiving cavity is connected to the outside through the through holes. The filter device has a ring structure and covers the through hole.

6. The filtration device according to claim 1, characterized in that, The connecting kit is a hollow cylinder, and the B1 receiving cavity is connected to the outside through a through hole; The filtration device includes one or more filter tiles that cover the one or more through holes.

7. The filtration device according to claim 1, characterized in that, It also includes an outlet OD3, and the top of the connection kit includes a liquid outlet K1, which is connected to the outlet OD3.

8. The filtration device according to claim 1, characterized in that, The horizontal cross-section of the A1 cavity is circular, and the inlet ID1 is connected to the liquid inlet pipe, which is perpendicular to the radius of the circle.

9. The filtration device according to claim 1, characterized in that, It also includes any one of the following technical features: T1: The N inlet includes multiple openings, and the diameter of the openings is less than one-fifth of the diameter of the conductive tube; T2: also includes a filter kit, which is fitted onto the guide tube and covers the N inlet; T3: It also includes a enclosure tube, which has a central through hole. The bottom of the enclosure tube is connected to the bottom of the A1 cavity. One end of the guide tube passes through the central through hole and extends into the A1 cavity. The upper part of the enclosure tube is connected to the A1 cavity. T4: also includes a drain outlet OD5, which is connected to the bottom of the A1 cavity; T5: also includes outlet OD2; outlet OD2 is connected to cavity A2 and is used for the treated liquid to flow out of cavity A2; outlet OD2 is located at the bottom of cavity A2; outlet OD1 is located at the top of cavity A2; T6: It also includes a support assembly, which is connected to the bottom of the receiving assembly; the support assembly includes a support pipe, which is connected to the A1 cavity, and the drain outlet OD5 is disposed on the support pipe and is connected to the support pipe.

10. The filtration device according to claim 1, characterized in that, The guide tube is a hollow rotating shaft, and a mechanical seal device A is installed on the hollow rotating shaft. The mechanical seal device A is used to achieve a metal-sealed connection with the external power device.