Multi-layer filtering device

Abstract

The utility model discloses a multi-layer type filtering device, relates to the field of feed feeding, and aims to solve the problems that an existing filtering device is only provided with a layer of filtering structure and can only perform filtering once, the filtering effect is poor, a main body of the filtering device is integrally formed, the cleaning and replacement difficulty of the filtering structure is increased, and the use effect of the filtering device is reduced. According to the technical scheme, the filter is characterized by comprising a first filter cartridge, a second filter cartridge and a third filter cartridge, the first filter cartridge and the third filter cartridge are arranged on the two sides of the second filter cartridge, second sealing rings are arranged between the second filter cartridge and the first filter cartridge and between the second filter cartridge and the third filter cartridge, a liquid inlet pipe is arranged at the upper end of the first filter cartridge, and a liquid outlet pipe is arranged at the lower end of the third filter cartridge. A liquid discharge pipe is arranged on one side of the upper end of the third filter cartridge, a first filter disc is arranged in one end of the second filter cartridge, a second filter disc is arranged in one end of the third filter cartridge, and first sealing rings are arranged outside the first filter disc and the second filter disc.

Description

Technical Field

[0001] The utility model relates to the technical field of filtration, in particular to a multi-layer filtration device. Background Art

[0002] A filter is a device used to filter impurities, particulate matter and other substances. It separates impurities from the medium to be treated by physical or chemical methods to achieve the purpose of purification or purifying. During the filtration process, the medium to be treated passes through the filter screen or filter cloth and other filter media. Impurities are trapped on the surface or inside of the filter medium, while pure media flows out through the filter medium. Filters play an important role in various fields. Selecting a suitable filter and regularly maintaining it are the key to ensuring its normal operation and extending its service life.

[0003] After searching, in the prior art, the publication number CN206955853U discloses a multi-layer water filtration device, including a base, a water storage tank, a side water injection port, a water permeable plate and a biofilm filler layer, the bottom of the base is equipped with walking wheels, and the top of the base is welded with a water storage tank through a mounting frame, the water permeable plate is respectively provided with a heavy metal treatment agent filler layer and an activated carbon filler layer, and the heavy metal treatment agent filler layer is located above the activated carbon filler layer, and a biofilm filler layer is provided below the activated carbon filler layer, the bottom of the water storage tank is spirally installed with a spiral sealing cover through a threaded plate, and the bottom of the water storage tank is penetrated by The spiral sealing cover is installed with a water outlet pipe. Compared with the traditional filtering device, the utility model has a simple structure and is easy to use. Through two sets of heavy metal treatment agent filler layers and activated carbon filler layers used in combination, the treatment effect of industrial wastewater is better, and the cost of filtration is also reduced, saving the cost of factory wastewater treatment, which is convenient for promotion and use.

[0004] However, the device and the prior art still have the following defects:

[0005] The existing filter device is only provided with one layer of filter structure, which can only filter once, and the filtering effect is poor. In addition, the filter device body is integrally formed, which increases the difficulty of cleaning and replacing the filter structure, reduces the use effect of the filter device, and cannot meet the use requirements. Utility Model Content

[0006] The purpose of the utility model is to provide a multi-layer filtering device.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] A multi-layer filtering device comprises a first filter cartridge, a second filter cartridge and a third filter cartridge, wherein the first filter cartridge and the third filter cartridge are arranged on both sides of the second filter cartridge, and the second filter cartridge is plugged into the first filter cartridge and the third filter cartridge, a second sealing ring is arranged between the second filter cartridge and the first filter cartridge and the third filter cartridge, a liquid inlet pipe is arranged at the upper end of the first filter cartridge, and the liquid inlet pipe is connected to the first filter cartridge as a whole, a liquid discharge pipe is arranged on one side of the upper end of the third filter cartridge, and the liquid discharge pipe is connected to the third filter cartridge as a whole, a first filter disc is arranged inside one end of the second filter cartridge, and a second filter disc is arranged inside one end of the third filter cartridge, a first sealing ring is arranged outside the first filter disc and the second filter disc, and the first sealing ring is connected to the first filter disc and the second filter disc as a whole, and the first sealing ring fits against the inner walls of the second filter cartridge and the third filter cartridge.

[0009] By adopting the above technical solution, the liquid is first injected into the first filter cylinder from the liquid inlet pipe, the liquid in the first filter cylinder contacts the first filter disc, the first filter disc first filters the liquid, the liquid passing through the first filter disc flows into the second filter cylinder, the liquid in the second filter cylinder contacts the second filter disc, the second filter disc then filters the liquid, and the filtered liquid accumulates in the third filter cylinder. When the accumulated liquid reaches a certain amount, it is discharged from the drain pipe, thereby realizing a multi-layer filtering function.

[0010] Furthermore, the filter holes of the second filter disc are smaller than the filter holes of the first filter disc, and a limit block is arranged inside the second filter cartridge and the third filter cartridge, and the limit block is fixedly connected to the second filter cartridge and the third filter cartridge, and the limit block is arranged on one side of the first filter disc and the second filter disc.

[0011] By adopting the above technical solution, the limiting block supports and limits the installed first filter disc and the second filter disc, thereby improving the installation stability of the first filter disc and the second filter disc.

[0012] Furthermore, a connecting hole is provided on the outer wall of one end of the second filter cartridge and the third filter cartridge, a locking bolt is provided on the outside of one end of the first filter cartridge and the second filter cartridge, and the locking bolt is correspondingly arranged to the connecting hole, and the locking bolt is slidably connected to the first filter cartridge and the second filter cartridge.

[0013] By adopting the above technical solution, the locking bolt is aligned with the connecting hole and inserted into the second filter cartridge or the third filter cartridge to connect with the first filter cartridge and the second filter cartridge, thereby fixing the connected first filter cartridge and the second filter cartridge, improving the assembly firmness of the first filter cartridge, the second filter cartridge and the third filter cartridge, and also facilitating the subsequent disassembly of the filter device to clean and replace the filter components, thereby ensuring the filtering efficiency.

[0014] Furthermore, a water quality detection probe assembly is disposed above the second filter cartridge and the third filter cartridge, and the water quality detection probe assembly is connected to the second filter cartridge and the third filter cartridge as a whole.

[0015] By adopting the above technical solution, the water quality detection probe assembly detects the filtered liquid in the second filter cartridge and the third filter cartridge, and the filtering effect is judged according to the detection data, so the filtering device can be quickly adjusted to improve the filtering effect.

[0016] Furthermore, a sewage discharge valve pipe is provided at the lower end of the third filter cartridge, and the sewage discharge valve pipe is connected to the third filter cartridge as a whole.

[0017] By adopting the above technical solution, the filtered liquid flows into the third filter cartridge and is left to stand. The dirt in the liquid can sink and accumulate at the bottom of the third filter cartridge. The dirt accumulated at the bottom of the third filter cartridge can be conveniently discharged through the drain valve pipe.

[0018] Furthermore, an end cover is provided at one end of the first filter cartridge, and the end cover is connected to the first filter cartridge by screws, a motor is provided on one side of the end cover, and the motor is connected to the end cover by screws, a rotating shaft is provided inside the first filter cartridge, and one end of the rotating shaft is connected to the output end of the motor, a cleaning brush is provided at the other end of the rotating shaft, and the cleaning brush is fixedly connected to the rotating shaft, the cleaning brush is fitted with the first filter disc, a connecting frame is provided inside the first filter cartridge, and the connecting frame is fixedly connected to the first filter cartridge, and the rotating shaft is rotatably connected to the end cover and the connecting frame.

[0019] By adopting the above technical solution, the motor drives the rotating shaft to rotate, and as the rotating shaft rotates, the cleaning brush is driven to rotate in close contact with the first filter disc. The rotating cleaning brush can clean up the debris attached to the first filter disc, preventing the debris from adhering to and accumulating on the first filter disc, thereby ensuring the filtering performance of the first filter disc and extending the disassembly, cleaning and replacement time of the filter device.

[0020] Furthermore, a visual window is provided on one side of the first filter cartridge, the second filter cartridge and the third filter cartridge, and the visual window is integrated with the first filter cartridge, the second filter cartridge and the third filter cartridge.

[0021] By adopting the above technical solution, the internal condition of the filter device can be observed from the outside through the viewing window, which is convenient for the staff to inspect and clean the filter device in time.

[0022] In summary, the beneficial technical effects of the utility model are:

[0023] The filter element of the embodiment of the present invention is a filter element, a filter element of the embodiment of the present invention, and a filter element of the embodiment of the present invention is a filter element. The filter element of the embodiment of the present invention is a filter element, a filter element of the embodiment of the present invention is a filter element, and a filter element of the embodiment of the present invention is a filter element. The filter element of the embodiment of the present invention is a filter element, a filter element of the embodiment of the present invention is a filter element, and a filter element of the embodiment of the present invention is a filter element.

[0024] A water quality detection probe assembly and a visual window are used. The visual window can be used to observe the internal condition of the filter device from the outside, which is convenient for the staff to inspect and clean the filter device in time. The water quality detection probe assembly detects the filtered liquid in the second filter cartridge and the third filter cartridge, and the filtering effect is judged according to the detection data. The filter device can be quickly adjusted to improve the filtering effect;

[0025] A motor, a rotating shaft and a cleaning brush are used. The motor drives the rotating shaft to rotate. As the rotating shaft rotates, the cleaning brush is driven to rotate in close contact with the first filter disc. The rotating cleaning brush can clean up the debris attached to the first filter disc to prevent the debris from adhering to and accumulating on the first filter disc, thereby ensuring the filtering performance of the first filter disc and extending the time for disassembly, cleaning and replacement of the filter device. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification, but do not constitute a limitation of the present invention. In the accompanying drawings:

[0027] Figure 1 It is a schematic diagram of the overall structure of this utility model;

[0028] Figure 2 It is a cross-sectional view of the present utility model;

[0029] Figure 3 This is a practical Figure 2 A partial enlarged view of area A;

[0030] Figure 4 This is a cross-sectional view of the connection between the first filter disc, the first filter cartridge and the second filter cartridge of the present invention.

[0031] In the figure, 1. first filter cartridge; 2. second filter cartridge; 3. third filter cartridge; 4. end cover; 5. liquid inlet pipe; 6. motor; 7. liquid discharge pipe; 8. drain valve pipe; 9. visual window; 10. water quality detection probe assembly; 11. locking bolt; 12. first filter disc; 13. second filter disc; 14. rotating shaft; 15. connecting frame; 16. connecting hole; 17. cleaning brush; 18. limit block; 19. first sealing ring; 20. second sealing ring. DETAILED DESCRIPTION

[0032] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0033] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0034] See also Figure 1-4 The utility model provides a technical solution: a multi-layer filtering device, comprising a first filter cartridge 1, a second filter cartridge 2 and a third filter cartridge 3, the first filter cartridge 1 and the third filter cartridge 3 are arranged on both sides of the second filter cartridge 2, and the second filter cartridge 2 is plugged into the first filter cartridge 1 and the third filter cartridge 3, a second sealing ring 20 is arranged between the second filter cartridge 2 and the first filter cartridge 1 and the third filter cartridge 3, a liquid inlet pipe 5 is arranged at the upper end of the first filter cartridge 1, and the liquid inlet pipe 5 is connected to the first filter cartridge 1 as a whole, a liquid discharge pipe 7 is arranged on one side of the upper end of the third filter cartridge 3, and the liquid discharge pipe 7 is connected to the third filter cartridge 3 as a whole, a first filter disc 12 is arranged inside one end of the second filter cartridge 2, and a second filter disc 13 is arranged inside one end of the third filter cartridge 3, The first filter disc 12 and the second filter disc 13 are both provided with a first sealing ring 19 on the outside, and the first sealing ring 19 is connected to the first filter disc 12 and the second filter disc 13 as a whole. The first sealing ring 19 fits with the inner walls of the second filter cartridge 2 and the third filter cartridge 3. The liquid is first injected into the first filter cartridge 1 from the liquid inlet pipe 5, and the liquid in the first filter cartridge 1 contacts with the first filter disc 12. The first filter disc 12 filters the liquid first, and the liquid that passes through the first filter disc 12 flows into the second filter cartridge 2. The liquid in the second filter cartridge 2 contacts with the second filter disc 13, and the second filter disc 13 filters the liquid again. The filtered liquid accumulates in the third filter cartridge 3. When the accumulated liquid reaches a certain amount, it is discharged from the drain pipe 7 to realize the multi-layer filtering function.

[0035] See also Figure 2 and Figure 3The filter holes of the second filter disc 13 are smaller than the filter holes of the first filter disc 12, and a limiting block 18 is arranged inside the second filter cartridge 2 and the third filter cartridge 3, and the limiting block 18 is fixedly connected to the second filter cartridge 2 and the third filter cartridge 3. The limiting block 18 is arranged on one side of the first filter disc 12 and the second filter disc 13, and the limiting block 18 supports and limits the installed first filter disc 12 and the second filter disc 13 to improve the installation stability of the first filter disc 12 and the second filter disc 13.

[0036] See also Figure 1 , Figure 2 and Figure 3 , connecting holes 16 are provided on the outer walls of one end of the second filter cartridge 2 and the third filter cartridge 3, and locking bolts 11 are provided on the outside of one end of the first filter cartridge 1 and the second filter cartridge 2, and the locking bolts 11 are correspondingly arranged, and the locking bolts 11 are slidably connected with the first filter cartridge 1 and the second filter cartridge 2. The locking bolts 11 are aligned with the connecting holes 16 and inserted into the second filter cartridge 2 or the third filter cartridge 3 to fix the connected first filter cartridge 1 and the second filter cartridge 2, thereby improving the assembly firmness of the first filter cartridge 1, the second filter cartridge 2 and the third filter cartridge 3, and also facilitating the subsequent disassembly of the filter device to clean and replace the filter components to ensure the filtering efficiency.

[0037] See also Figure 1 and Figure 2 A water quality detection probe assembly 10 is provided above the second filter cartridge 2 and the third filter cartridge 3, and the water quality detection probe assembly 10 is connected to the second filter cartridge 2 and the third filter cartridge 3 as a whole. The water quality detection probe assembly 10 detects the filtered liquid in the second filter cartridge 2 and the third filter cartridge 3, and judges the filtering effect according to the detection data, and can quickly adjust the filtering device to improve the filtering effect.

[0038] See also Figure 1 and Figure 2 A drain valve pipe 8 is provided at the lower end of the third filter cartridge 3, and the drain valve pipe 8 is connected to the third filter cartridge 3 as a whole. The filtered liquid flows into the third filter cartridge 3 and is left to stand. The dirt in the liquid can sink and accumulate at the bottom of the third filter cartridge 3. The dirt accumulated at the bottom of the third filter cartridge 3 can be conveniently discharged through the drain valve pipe 8.

[0039] See also Figure 1 and Figure 2, an end cover 4 is provided at one end of the first filter cartridge 1, and the end cover 4 is connected to the first filter cartridge 1 by screws, a motor 6 is provided on one side of the end cover 4, and the motor 6 is connected to the end cover 4 by screws, a rotating shaft 14 is provided inside the first filter cartridge 1, and one end of the rotating shaft 14 is connected to the output end of the motor 6, a cleaning brush 17 is provided at the other end of the rotating shaft 14, and the cleaning brush 17 is fixedly connected to the rotating shaft 14, and the cleaning brush 17 is in contact with the first filter disc 12, a connecting frame 15 is provided inside the first filter cartridge 1, and the connecting frame 15 is fixedly connected to the first filter cartridge 1, the rotating shaft 14 is rotatably connected to the end cover 4 and the connecting frame 15, the motor 6 drives the rotating shaft 14 to rotate, and as the rotating shaft 14 rotates, the cleaning brush 17 is driven to rotate in contact with the first filter disc 12, and the rotating cleaning brush 17 can clean up the debris attached to the first filter disc 12, prevent the debris from adhering to and accumulating on the first filter disc 12, ensure the filtering performance of the first filter disc 12, and extend the time for disassembly, cleaning and replacement of the filtering device.

[0040] See also Figure 1 A visual window 9 is provided on one side of the first filter cartridge 1, the second filter cartridge 2 and the third filter cartridge 3, and the visual window 9 is integrated with the first filter cartridge 1, the second filter cartridge 2 and the third filter cartridge 3. The visual window 9 can be used to observe the internal condition of the filter device from the outside, so that the staff can inspect and clean the filter device in time.

[0041] Working principle: first, install the first filter disc 12 and the second filter disc 13 into the second filter cartridge 2 and the third filter cartridge 3 respectively, then connect the first filter cartridge 1 and the second filter cartridge 2 with the second filter cartridge 2 and the third filter cartridge 3 respectively, align the locking bolt 11 with the connecting hole 16 and insert the connection, fix the connected first filter cartridge 1 and the second filter cartridge 2, and quickly assemble the first filter cartridge 1, the second filter cartridge 2 and the third filter cartridge 3; the liquid is first injected into the first filter cartridge 1 from the liquid inlet pipe 5, the liquid in the first filter cartridge 1 contacts the first filter disc 12, the first filter disc 12 filters the liquid first, the liquid passing through the first filter disc 12 flows into the second filter cartridge 2, the liquid in the second filter cartridge 2 contacts the second filter disc 13, the second filter disc 13 filters the liquid again, the filtered liquid accumulates in the third filter cartridge 3, and the dirt in the liquid can be sunk and accumulated at the bottom of the third filter cartridge 3 when it is left to stand, and when the accumulated liquid reaches a certain amount, it is discharged from the drain pipe 7, and the sewage valve pipe 8 discharges the dirt accumulated at the bottom of the third filter cartridge 3, realizing the multi-layer filtering function. The water quality detection probe assembly 10 detects the filtered liquid in the second filter cartridge 2 and the third filter cartridge 3, determines the filtering effect according to the detection data, and can quickly adjust the filtering device; the motor 6 drives the rotating shaft 14 to rotate, and as the rotating shaft 14 rotates, the cleaning brush 17 is driven to rotate in contact with the first filter disc 12. The rotating cleaning brush 17 can clean up the debris attached to the first filter disc 12 to prevent the debris from adhering to and accumulating on the first filter disc 12, thereby ensuring the filtering performance of the first filter disc 12 and extending the disassembly, cleaning and replacement time of the filtering device.

[0042] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0043] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A multi-layer filter device, comprising a first filter cartridge (1), a second filter cartridge (2) and a third filter cartridge (3), characterized in that: The first filter cartridge (1) and the third filter cartridge (3) are arranged on both sides of the second filter cartridge (2), and the second filter cartridge (2) is plugged into the first filter cartridge (1) and the third filter cartridge (3). A second sealing ring (20) is arranged between the second filter cartridge (2) and the first filter cartridge (1) and the third filter cartridge (3). A liquid inlet pipe (5) is arranged at the upper end of the first filter cartridge (1), and the liquid inlet pipe (5) is connected to the first filter cartridge (1) as a whole. A liquid discharge pipe (7) is arranged on one side of the upper end of the third filter cartridge (3), and the liquid discharge pipe (7) is connected to the first filter cartridge (1). (7) is connected to the third filter cartridge (3) as a whole, a first filter disc (12) is arranged inside one end of the second filter cartridge (2), a second filter disc (13) is arranged inside one end of the third filter cartridge (3), a first sealing ring (19) is arranged outside the first filter disc (12) and the second filter disc (13), and the first sealing ring (19) is connected to the first filter disc (12) and the second filter disc (13) as a whole, and the first sealing ring (19) is in contact with the inner walls of the second filter cartridge (2) and the third filter cartridge (3).

2. A multi-layer filtering device according to claim 1, characterized in that: The filter holes of the second filter disc (13) are smaller than the filter holes of the first filter disc (12); a limit block (18) is provided inside the second filter cartridge (2) and the third filter cartridge (3); the limit block (18) is fixedly connected to the second filter cartridge (2) and the third filter cartridge (3); and the limit block (18) is provided on one side of the first filter disc (12) and the second filter disc (13).

3. A multi-layer filter device according to claim 1, characterized in that: A connecting hole (16) is provided on the outer wall of one end of the second filter cartridge (2) and the third filter cartridge (3), and a locking bolt (11) is provided on the outside of one end of the first filter cartridge (1) and the second filter cartridge (2), and the locking bolt (11) is arranged corresponding to the connecting hole (16), and the locking bolt (11) is slidably connected to the first filter cartridge (1) and the second filter cartridge (2).

4. A multi-layer filter device according to claim 1, characterized in that: A water quality detection probe assembly (10) is provided above the second filter cartridge (2) and the third filter cartridge (3), and the water quality detection probe assembly (10) is integrally connected to the second filter cartridge (2) and the third filter cartridge (3).

5. A multi-layer filtering device according to claim 1, characterized in that: A sewage discharge valve pipe (8) is provided at the lower end of the third filter cartridge (3), and the sewage discharge valve pipe (8) and the third filter cartridge (3) are connected as a whole.

6. A multi-layer filter device according to claim 1, characterized in that: An end cover (4) is provided at one end of the first filter cartridge (1), and the end cover (4) is connected to the first filter cartridge (1) by means of screws; a motor (6) is provided on one side of the end cover (4), and the motor (6) is connected to the end cover (4) by means of screws; a rotating shaft (14) is provided inside the first filter cartridge (1), and one end of the rotating shaft (14) is connected to the output end of the motor (6); a cleaning brush (17) is provided at the other end of the rotating shaft (14), and the cleaning brush (17) is fixedly connected to the rotating shaft (14); the cleaning brush (17) is fitted with the first filter disc (12); a connecting frame (15) is provided inside the first filter cartridge (1), and the connecting frame (15) is fixedly connected to the first filter cartridge (1); the rotating shaft (14) is rotatably connected to the end cover (4) and the connecting frame (15).

7. A multi-layer filter device according to claim 1, characterized in that: A visual window (9) is provided on one side of the first filter cartridge (1), the second filter cartridge (2) and the third filter cartridge (3), and the visual window (9) is integrally formed with the first filter cartridge (1), the second filter cartridge (2) and the third filter cartridge (3).

Images