Secondary filter box additionally arranged on self-cleaning air filter

Abstract

The utility model belongs to the technical field of filters, particularly relates to a self-cleaning air filter additionally provided with a secondary filter box, and provides the following scheme aiming at the problem that a filter cartridge of the existing self-cleaning air filter is inconvenient to replace when a compressor is in a working state: the self-cleaning air filter comprises a first filter box, the bottom of the first filter box is fixedly provided with a supporting frame, a plurality of filter screens are fixedly embedded in the side wall of the supporting frame and used for air entering and simple filtering, one side of the first filter box is fixedly communicated with a second filter box, and one side of the second filter box is fixedly connected with an air outlet pipe. According to the equipment, through a filter drum in the first filter box and a secondary high-efficiency filter in the secondary high-efficiency filter box, the filter drum in the first filter box can be quickly replaced under the condition that subsequent equipment is not stopped, dust and impurities in air can be intercepted by the high-efficiency filter at the moment, use of the subsequent equipment cannot be affected, and the use effect is good.

Description

Technical Field

[0001] The utility model relates to the technical field of filters, in particular to a self-cleaning air filter equipped with a secondary filter box. Background Art

[0002] In self-cleaning air filters, in order to ensure the reliable operation of the filter and effectively protect the air compressor, the filter cartridge is generally replaced after about one year of operation, and the compressor needs to be shut down when replacing the filter cartridge. If the compressor is not shut down, dust and impurities in the air will directly enter the compressor and cause asthma shock to the compressor.

[0003] At present, it is inconvenient to replace the filter cartridge of the self-cleaning air filter on the market while the compressor is working. Moreover, if the filter cartridge is not replaced, dust and impurities in the air will directly enter the fan, which will easily affect the service life of the compressor and other equipment.

[0004] In view of the above problems, the utility model document proposes a self-cleaning air filter equipped with a secondary filter box. Utility Model Content

[0005] The utility model aims to solve the disadvantage of the prior art that the filter cartridge of the current self-cleaning air filter is inconvenient to replace when the compressor is working, and proposes a self-cleaning air filter with a secondary filter box.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A self-cleaning air filter is equipped with a secondary filter box, comprising:

[0008] A first filter box, a support frame is fixedly installed at the bottom of the first filter box, a plurality of filter screens are fixedly embedded in the side wall of the support frame for air intake and simple filtering, a second filter box is fixedly connected to one side of the first filter box, an air outlet pipe is fixedly connected to one side of the second filter box, and the air outlet pipe is used for air discharge;

[0009] It also includes a plurality of filter cartridges, each of which has a venturi tube fixedly connected to its top, and each of which is disposed in a first filter box, and is used to filter the air entering the first filter box;

[0010] It also includes a secondary high-efficiency filter box, in which a plurality of secondary high-efficiency filters are arranged, and the secondary high-efficiency filter box is arranged in the second filter box to achieve secondary filtration of air;

[0011] It also includes a back-blowing assembly, which is arranged in the first filter box and is used to back-blow and clean the secondary high-efficiency filter box;

[0012] It also includes a fixing assembly, which is used to complete the rapid disassembly and installation of multiple filter cartridges.

[0013] In a possible design, the fixing assembly includes a flower plate fixedly mounted on the inner wall of the first filter box, a plurality of mounting grooves are provided in the flower plate for placing and removing a plurality of filter cartridges, a plurality of first T-shaped clips are fixedly mounted on the top of the flower plate, two adjacent first T-shaped clips cooperate with each other, a plurality of second T-shaped clips are fixedly mounted between the inner walls on both sides of the support frame, two adjacent second T-shaped clips cooperate with each other, a plurality of fixing plates are arranged inside the first filter box, the fixing plates are divided into two groups, the two upper and lower corresponding fixing plates cooperate with each other and correspond to the adjacent mounting grooves, a plurality of fixing plates are provided on both sides, the two upper and lower corresponding fixing plates are engaged with a plurality of filter cartridges, the plurality of fixing plates located on the upper layer are sealed and slidably connected with the two adjacent first T-shaped clips through the slide groove, the plurality of fixing plates located on the lower layer are slidably connected with the two adjacent second T-shaped clips through the slide groove, the same push-pull plate is fixedly mounted on one side of the two upper and lower corresponding fixing plates, and the plurality of push-pull plates are sealed and engaged with one side of the first filter box.

[0014] In one possible design, the back-blowing assembly includes an air bag fixedly mounted on the inner wall of one side of the first filter box, a compressed air inlet pipe fixedly mounted on one side of the air bag, one end of the compressed air inlet pipe passes through one side of the first filter box and is connected to an external air supply device, a plurality of solenoid valves are fixedly connected to the outer wall of the air bag, the other ends of the plurality of solenoid valves are fixedly connected to connecting pipes, the other ends of the plurality of connecting pipes are fixedly connected to blowing pipes, the other ends of the plurality of blowing pipes pass through the flower plate, and their air outlets correspond to the secondary high-efficiency filter box.

[0015] In a possible design, two handles are fixedly mounted on one side of each of the plurality of push-pull plates, for removing the fixed plates from the first filter box.

[0016] In a possible design, an electric control box is fixedly mounted on one side of the support frame, and the electric control box is used to control the equipment.

[0017] In a possible design, a movable door is hinged on one side of the second filter box for maintenance and repair of the secondary high-efficiency filter box.

[0018] In the present application, when in use, air enters the first filter box through multiple filters, and then passes through multiple filter cartridges to complete filtration, and then passes through the secondary high-efficiency filter box to complete secondary filtration, and finally is discharged from the air outlet pipe to the subsequent connected compressor and other equipment; when the equipment replaces the filter cartridge, the dust and impurities in the air will be intercepted by the secondary high-efficiency filter box, which not only ensures the cleanliness of the air when it enters the subsequent equipment, but also realizes the feasibility of replacing the filter cartridge without stopping the machine, and the use effect is good; at the same time, in the equipment, multiple filter cartridges are designed in groups. When replacing, the fixed plate can be taken out by pulling the push-pull plate, so that multiple filter cartridges can be disassembled and installed at the same time, which is faster and more convenient to operate, and can effectively improve work efficiency; the equipment can also be connected to the external compressed air supply equipment through the compressed air inlet pipe set on one side, and the compressed air can be stored through the air bag. After opening the solenoid valve, the air can be sprayed out through the blowpipe, which can effectively blow and clean the secondary high-efficiency filter box, so as to ensure that the filtering effect of the secondary high-efficiency filter box is relatively stable.

[0019] Beneficial effects:

[0020] In the utility model, the self-cleaning air filter is equipped with a secondary filter box, and the deep filtration of the air is realized through the filter cartridge in the first filter box and the secondary high-efficiency filter in the secondary high-efficiency filter box, and the particulate matter and harmful substances in the air are effectively removed. After the secondary high-efficiency filter box is installed, the filter cartridge can be replaced without stopping the subsequent equipment, and the dust and impurities in the air will be intercepted by the high-efficiency filter, which will not affect the use of the subsequent equipment;

[0021] In the utility model, the self-cleaning air filter is equipped with a secondary filter box, and multiple filter cartridges can be replaced at the same time through a fixed component, making the replacement and maintenance of the filter cartridges convenient and quick, thereby improving the work efficiency of equipment maintenance;

[0022] In the utility model, the device uses the filter cartridge in the first filter box and the secondary high-efficiency filter in the secondary high-efficiency filter box to quickly replace the filter cartridge in the first filter box without stopping subsequent equipment. At this time, dust and impurities in the air will be intercepted by the high-efficiency filter, will not affect the use of subsequent equipment, and the use effect is good. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 A three-dimensional structural schematic diagram of a self-cleaning air filter provided by the utility model and equipped with a secondary filter box;

[0024] Figure 2 A side cross-sectional structural schematic diagram of a self-cleaning air filter provided by the utility model and equipped with a secondary filter box;

[0025] Figure 3This is a schematic diagram of the main cross-sectional structure of a self-cleaning air filter provided by the utility model and equipped with a secondary filter box;

[0026] Figure 4 A three-dimensional structural schematic diagram of a self-cleaning air filter provided by the utility model with a secondary filter box installed from another perspective;

[0027] Figure 5 The utility model discloses a self-cleaning air filter provided by the present invention and equipped with a second-stage filter box.

[0028] In the figure: 1. Support frame; 2. First filter box; 3. Second filter box; 4. Filter screen; 5. Flower plate; 6. Filter cartridge; 7. Venturi tube; 8. Secondary high-efficiency filter box; 9. Air outlet pipe; 10. Air bag; 11. Solenoid valve; 12. Connecting pipe; 13. Blowing pipe; 14. Compressed air inlet pipe; 15. Push-pull plate; 16. Fixed plate; 17. Slide groove; 18. Mounting groove; 19. First T-shaped clip strip; 20. Second T-shaped clip strip; 21. Electric control box. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0030] Example 1

[0031] Reference Figure 1-5 , a self-cleaning air filter equipped with a secondary filter box, comprising: a support frame 1, a first filter box 2, a second filter box 3, a backflush assembly and a fixing assembly;

[0032] The support frame 1 is fixedly installed at the bottom of the first filter box 2, and a plurality of filter screens 4 are fixedly embedded in the side wall of the support frame 1, and these filter screens 4 are used for air entry and simple filtering;

[0033] The second filter box 3 is fixedly connected to one side of the first filter box 2, and one side of the second filter box 3 is fixedly connected to an air outlet pipe 9, the other end of the air outlet pipe 9 is connected to equipment such as a compressor, and the air outlet pipe 9 is used to discharge air.

[0034] A plurality of filter cartridges 6 are arranged in the first filter box 2, and a venturi tube 7 is fixedly connected to the top of each filter cartridge 6. The main function of these filter cartridges 6 is to further filter the air entering the first filter box 2. In addition, a secondary high-efficiency filter box 8 is arranged in the second filter box 3, and a plurality of secondary high-efficiency filters are arranged in the filter box for realizing secondary filtration of the air to ensure that the quality of the filtered air reaches a higher standard. Furthermore, through the above design, when the user replaces the filter cartridge 6, the dust in the air will still be intercepted by the secondary high-efficiency filter box 8, which can ensure that dust and impurities will not enter the equipment connected to one end of the air outlet pipe 9. Therefore, the replacement of the filter cartridge 6 can be completed without stopping the equipment, thereby effectively improving the work efficiency.

[0035] The back-blowing assembly is arranged in the first filter box 2, and is mainly used for back-blowing and cleaning the secondary high-efficiency filter box 8. Specifically, the back-blowing assembly includes an air bag 10 fixedly mounted on the inner wall of one side of the first filter box 2, and a compressed air intake pipe 14 is fixedly mounted on one side of the air bag 10. One end of the intake pipe 14 passes through one side of the first filter box 2 and is connected to an external air supply device. A plurality of solenoid valves 11 are fixedly connected to the outer wall of the air bag 10, and the other end of each solenoid valve 11 is fixedly connected to a connecting pipe 12, and the other end of the connecting pipe 12 is fixedly connected to a blowing pipe 13. The other ends of the plurality of blowing pipes 13 all pass through the flower plate 5, and their air outlets all correspond to the secondary high-efficiency filter box 8. When cleaning is required, by controlling the opening of the solenoid valve 11, the compressed air enters the air bag 10 through the intake pipe 14, and then is sprayed out through the connecting pipe 12 and the blowing pipe 13 to back-blow and clean the secondary high-efficiency filter box 8.

[0036] The fixing assembly includes a flower plate 5 fixedly mounted on the inner wall of the first filter box 2, and a plurality of mounting grooves 18 are provided in the flower plate 5 for placing and removing a plurality of filter cartridges 6. A plurality of first T-shaped clips 19 are fixedly mounted on the top of the flower plate 5, and two adjacent first T-shaped clips 19 cooperate with each other. A plurality of second T-shaped clips 20 are fixedly mounted between the inner walls on both sides of the support frame 1, and two adjacent second T-shaped clips 20 also cooperate with each other. A plurality of fixing plates 16 are arranged inside the first filter box 2, and these fixing plates 16 are divided into two groups, the upper and lower corresponding two fixing plates 16 cooperate with each other and correspond to the adjacent mounting grooves 18. Slide grooves 17 are provided on both sides of the plurality of fixing plates 16. The two corresponding fixing plates 16 at the bottom are both engaged and connected with multiple filter cartridges 6, the multiple fixing plates 16 located on the upper layer are all sealed and slidably connected with the two adjacent first T-shaped clips 19 through the slide groove 17, and the multiple fixing plates 16 located on the lower layer are slidably connected with the two adjacent second T-shaped clips 20 through the slide groove 17. The same push-pull plate 15 is fixedly installed on one side of the two corresponding fixing plates 16 above and below, and the multiple push-pull plates 15 are all sealed and engaged and connected with one side of the first filter box 2; when the filter cartridge 6 needs to be replaced, only the push-pull plate 15 needs to be pulled to remove the fixing plate 16 from the inside of the first filter box 2, so that multiple filter cartridges 6 can be conveniently taken out or put in simultaneously, which can improve the replacement efficiency of the filter cartridge 6.

[0037] The present application can be used in the field of filter technology, and can also be used in other fields applicable to the present application.

[0038] Example 2

[0039] refer to Figure 1 , 4 5. Improvement on the basis of Example 1: A self-cleaning air filter is equipped with a secondary filter box, which is applied to the field of filter technology;

[0040] For ease of operation, two handles are fixedly installed on one side of the plurality of push-pull plates 15 , and the user can easily take the fixed plate 16 out of the first filter box 2 through these handles.

[0041] In addition, in order to achieve control over the entire device, an electrical control box 21 is fixedly installed on one side of the support frame 1 for controlling the device. The user can set parameters such as the start time and duration of the backflush component through the electrical control box 21 to achieve automatic cleaning of the secondary high-efficiency filter box 8.

[0042] Finally, in order to facilitate the maintenance and inspection of the secondary high-efficiency filter box 8, a movable door is provided on one side of the second filter box 3. When the user only needs to open the movable door, the secondary high-efficiency filter box 8 can be maintained or inspected, which is convenient to use.

[0043] However, as is well known to those skilled in the art, the working principle and wiring method of the solenoid valve 11 are commonplace, and are conventional means or common knowledge, and will not be elaborated here. Those skilled in the art may make any selection according to their needs or convenience.

[0044] The working principle and use process of this technical solution are as follows: when in use, air enters the first filter box 2 through multiple filter screens 4, and then passes through multiple filter cartridges 6 to complete filtering, and then passes through the secondary high-efficiency filter box 8 to complete secondary filtration, and finally is discharged from the air outlet pipe 9 to the subsequent connected compressor and other equipment; when the equipment replaces the filter cartridge 6, the dust and impurities in the air will be intercepted by the secondary high-efficiency filter box 8, which not only ensures the cleanliness of the air when it enters the subsequent equipment, but also realizes the feasibility of replacing the filter cartridge 6 without stopping the machine, and the use effect is good; at the same time, in the equipment, multiple filter cartridges 6 The grouping design is adopted, and the fixing plate 16 can be taken out by pulling the push-pull plate 15 when replacing, so that multiple filter cartridges 6 can be disassembled and installed at the same time, which is faster and more convenient to operate and can effectively improve work efficiency; the equipment can also be connected to an external compressed air supply device through a compressed air inlet pipe 14 arranged on one side, and the compressed air can be stored through the air bag 10. After opening the solenoid valve 11, the air can be sprayed out through the blowing pipe 13, which can effectively blow and clean the secondary high-efficiency filter box 8, thereby ensuring that the filtering effect of the secondary high-efficiency filter box 8 is relatively stable.

[0045] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A self-cleaning air filter equipped with a secondary filter box, characterized in that: include: A first filter box (2), a support frame (1) is fixedly mounted on the bottom of the first filter box (2), a plurality of filter screens (4) are fixedly embedded in the side wall of the support frame (1) for air intake and simple filtering, one side of the first filter box (2) is fixedly connected to a second filter box (3), one side of the second filter box (3) is fixedly connected to an air outlet pipe (9), and the air outlet pipe (9) is used for air discharge; It also comprises a plurality of filter cartridges (6), the tops of the plurality of filter cartridges (6) are all fixedly connected with a venturi tube (7), the plurality of filter cartridges (6) are all arranged in the first filter box (2), and the plurality of filter cartridges (6) are used to filter the air entering the first filter box (2); It also comprises a secondary high-efficiency filter box (8), wherein a plurality of secondary high-efficiency filters are arranged in the secondary high-efficiency filter box (8), and the secondary high-efficiency filter box (8) is arranged in the second filter box (3) to achieve secondary filtration of air; It also includes a back-blowing component, which is arranged in the first filter box (2) and is used to back-blow and clean the secondary high-efficiency filter box (8); It also comprises a fixing assembly, which is used to complete the rapid disassembly and installation of multiple filter cartridges (6).

2. A self-cleaning air filter according to claim 1, equipped with a secondary filter box, characterized in that: The fixing assembly comprises a flower plate (5) fixedly mounted on the inner wall of the first filter box (2), wherein a plurality of mounting grooves (18) are provided in the flower plate (5) for placing and removing a plurality of filter cartridges (6), a plurality of first T-shaped clips (19) are fixedly mounted on the top of the flower plate (5), and two adjacent first T-shaped clips (19) cooperate with each other, a plurality of second T-shaped clips (20) are fixedly mounted between the inner walls on both sides of the support frame (1), and two adjacent second T-shaped clips (20) cooperate with each other, and a plurality of fixing plates (16) are arranged inside the first filter box (2), and the fixing plates (16) are divided into two upper and lower groups, and the two upper and lower corresponding fixing plates (16) are fixedly mounted on the top of the flower plate (5). ) cooperate with each other and correspond to adjacent mounting grooves (18), a plurality of the fixing plates (16) are provided with sliding grooves (17) on both sides, the two corresponding fixing plates (16) above and below are snap-connected with the plurality of filter cartridges (6), the plurality of fixing plates (16) located on the upper layer are sealingly and slidably connected with the two adjacent first T-shaped clips (19) through the sliding grooves (17), the plurality of fixing plates (16) located on the lower layer are slidingly connected with the two adjacent second T-shaped clips (20) through the sliding grooves (17), one side of the two corresponding fixing plates (16) above and below is fixedly installed with the same push-pull plate (15), and the plurality of push-pull plates (15) are sealingly and snap-connected with one side of the first filter box (2).

3. A self-cleaning air filter according to claim 1, equipped with a secondary filter box, characterized in that: The back-blowing assembly comprises an air bag (10) fixedly mounted on the inner wall of one side of the first filter box (2); a compressed air intake pipe (14) is fixedly mounted on one side of the air bag (10); one end of the compressed air intake pipe (14) passes through one side of the first filter box (2) and is connected to an external air supply device; a plurality of solenoid valves (11) are fixedly connected to the outer wall of the air bag (10); the other ends of the plurality of solenoid valves (11) are fixedly connected to a connecting pipe (12); the other ends of the plurality of connecting pipes (12) are fixedly connected to a blowing pipe (13); the other ends of the plurality of blowing pipes (13) pass through the flower plate (5), and their air outlets correspond to the secondary high-efficiency filter box (8).

4. A self-cleaning air filter according to claim 2, equipped with a secondary filter box, characterized in that: Two handles are fixedly mounted on one side of each of the plurality of push-pull plates (15) for removing the fixed plate (16) from the interior of the first filter box (2).

5. A self-cleaning air filter according to claim 1, equipped with a secondary filter box, characterized in that: An electric control box (21) is fixedly mounted on one side of the support frame (1), and the electric control box (21) is used to control the equipment.

6. A self-cleaning air filter according to claim 1, equipped with a secondary filter box, characterized in that: A movable door is hinged on one side of the second filter box (3) for maintenance and repair of the secondary high-efficiency filter box (8).

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