High-pressure-resistant anti-burst air filter element

Abstract

The utility model discloses a high-pressure-resistant anti-explosion air filter element which comprises a filter cartridge bottom tray, a pleated barrel body which is fixed above the filter cartridge bottom tray and is coaxial with the filter cartridge bottom tray, a plurality of winding belts which are wound on the outer ring of the pleated barrel body, a filter cartridge sealing cover which is fixed above the pleated barrel body and is coaxial with the pleated barrel body, and a supporting inner framework, the sealing ring is fixed above the filter cartridge sealing cover and is coaxial with the filter cartridge sealing cover. Anti-falling columns and anti-falling caps are arranged on a filter cartridge bottom tray and a filter cartridge sealing cover, so that the anti-falling caps of the filter cartridge bottom tray tightly press connecting glue, meanwhile, anti-falling rods are arranged at the uppermost end and the lowermost end of the outer side of a cylinder of a supporting inner framework, and the anti-falling rods are tightly pressed through the connecting glue; therefore, the filter cartridge bottom tray, the supporting inner framework and the filter cartridge sealing cover are locked into a firm whole, the tensile effect of the air filter element is enhanced, the whole air filter element can bear higher air pressure, and the filter element is prevented from bursting.

Description

Technical field:

[0001] The utility model relates to an air dust removal filter device used in an industrial dust collector, in particular to an air filter element used in a cartridge type dust collector. Background technology:

[0002] The pleated filter elements currently used in the market are processed through the filter material folding process. Based on factors such as economy and production efficiency, the filter cartridge bottom tray and filter cartridge cover of the filter element are usually conventionally bonded to the pleated cylinder body and supporting frame using connecting glue to form a whole.

[0003] However, the bottom tray and cover of the filter cartridge are connected to the pleated cylinder and the supporting frame only by the bonding force of the connecting glue. In subsequent use, the pulse backblowing force and the high pressure of the filtered gas may easily cause cracks on the bottom tray and cover of the filter cartridge and the cylinder, and even cause bursting or separation, which will eventually affect the filtering effect and service life of the air filter element. Summary of the invention:

[0004] The utility model aims to provide a high pressure resistant and explosion proof air filter element to solve the problems mentioned in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: including a filter cartridge bottom tray, a pleated cylinder fixed above the filter cartridge bottom tray and coaxially, a plurality of winding belts wrapped around the outer ring of the pleated cylinder, a filter cartridge cover fixed above the pleated cylinder and coaxially, an inner supporting skeleton, an outer supporting skeleton, and a sealing ring fixed above the filter cartridge cover and coaxially.

[0006] In the technical scheme of the utility model described above, the bottom tray of the filter cartridge includes a circular plane; within the width range of the circular plane, close to the outer ring side, an anti-slip column cap is provided above the circular plane when the bottom tray of the filter cartridge is placed upright; the number of the anti-slip column caps is several, and the several anti-slip column caps are arranged in a circular array with the central axis of the circular plane as the rotation axis; each anti-slip column cap is composed of an anti-slip column and an anti-slip cap; the anti-slip column is a cylinder or a square body; the anti-slip cap is a cylinder or a square body; the heights of the anti-slip column and the anti-slip cap are determined according to actual needs; when the bottom tray of the filter cartridge is placed upright, the anti-slip cap is located above the anti-slip column, and the end face area of ​​the anti-slip cap is larger than the end face area of ​​the anti-slip column.

[0007] In the technical solution of the above-mentioned utility model, the pleated cylinder has a plurality of pleats; the central axis of the pleated cylinder coincides with the central axis of the circular plane one; each anti-detachment column cap one composed of the anti-detachment column one and the anti-detachment cap one is located between two adjacent outer pleat tips of the pleated cylinder.

[0008] In the technical solution of the utility model described above, the number of the winding belts can be determined according to the height of the pleated cylinder and actual needs.

[0009] In the technical scheme of the utility model described above, the filter cartridge cover includes a circular plane 2, and the width of the circular plane 2 is close to the outer ring side. When the filter cartridge cover is placed upright, an anti-stripping column cap 2 is provided below the circular plane 2; the number of the anti-stripping column caps 2 is several, and the several anti-stripping column caps 2 are arranged in a circular array with the central axis of the circular plane 2 as the rotating axis; each of the anti-stripping column caps 2 is composed of an anti-stripping column 2 and an anti-stripping cap 2; the anti-stripping column 2 is a cylinder or a square body; the anti-stripping cap 2 is a cylinder or a square body; the heights of the anti-stripping column 2 and the anti-stripping cap 2 are determined according to actual needs; when the filter cartridge cover is placed upright, the anti-stripping cap 2 is located below the anti-stripping column 2, and the end face area of ​​the anti-stripping cap 2 is larger than the end face area of ​​the anti-stripping column 2.

[0010] In the technical solution of the utility model, the central axis of the second circular plane coincides with the central axis of the pleated cylinder; each of the second anti-slip column caps is located between two adjacent outer pleat tips of the pleated cylinder.

[0011] In the technical scheme of the utility model mentioned above, the height of the supporting inner frame is the same as the height of the pleated cylinder; the supporting inner frame is cylindrical; the central axis of the supporting inner frame coincides with the central axis of the pleated cylinder; the lowermost end of the supporting inner frame is located on the outer side of the cylinder and is evenly provided with anti-slip rods, and the number of the anti-slip rods is several, and the several anti-slip rods are arranged in a circular array with the central axis of the supporting inner frame as the rotation axis; the anti-slip rod is cylindrical or square; the length of the anti-slip rod is determined according to actual needs; when the supporting inner frame is placed vertically, the anti-slip rod is parallel to the horizontal plane; each of the anti-slip rods is located between two adjacent inner pleat tips of the pleated cylinder; when placed upright, the highest point position of the anti-slip rod is determined according to actual needs, and is placed upright after assembly The highest point of the anti-drop rod one is lower than the lowest point of the anti-drop cap one; the uppermost end of the supporting inner skeleton is located on the outside of the cylinder and anti-drop rods two are evenly arranged, and the number of the anti-drop rods two is several, and the several anti-drop rods two are arranged in a circular array with the central axis of the supporting inner skeleton as the rotating axis; the anti-drop rod two is cylindrical or square columnar; the length of the anti-drop rod two is determined according to actual needs; when the supporting inner skeleton is placed vertically, the anti-drop rod two is parallel to the horizontal plane, and the central axis of the anti-drop rod two passes through the central axis of the supporting inner skeleton; when placed upright, the lowest point of the anti-drop rod two is determined according to actual needs, and when placed upright after assembly, the lowest point of the anti-drop rod two is higher than the highest point of the anti-drop cap two; each of the anti-drop rods two is located between two adjacent inner pleat tips of the pleated cylinder.

[0012] In the technical solution of the utility model described above, the height of the supporting exoskeleton is the same as the height of the pleated cylinder; the supporting exoskeleton is cylindrical; and the central axis of the supporting exoskeleton coincides with the central axis of the pleated cylinder.

[0013] In the technical scheme of the utility model described above, the lower part of the supporting inner skeleton, the lower part of the supporting outer skeleton, and the lower part of the pleated cylinder are connected and fixed to the bottom tray of the filter cartridge by connecting glue A. After assembly, the thickness of the connecting glue A is sufficient to bury the lower end surface of all the anti-drop caps 1 in the connecting glue A; the upper part of the supporting inner skeleton, the upper part of the supporting outer skeleton, and the upper part of the pleated cylinder are connected and fixed to the filter cartridge cover by connecting glue B. After assembly, the thickness of the connecting glue B is sufficient to bury the upper end surface of all the anti-drop caps 2 in the connecting glue B; after assembly, the anti-drop rod 1 is buried in the connecting glue A, and the anti-drop rod 2 is buried in the connecting glue B; after assembly, from the central axis of the supporting inner skeleton to the outside are the supporting inner skeleton, the pleated cylinder, the winding belt, and the supporting outer skeleton.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The utility model respectively arranges anti-dropping columns and anti-dropping caps on the bottom tray of the filter cartridge and the filter cartridge cover, so that the anti-dropping cap of the bottom tray of the filter cartridge tightly presses the connecting glue; at the same time, anti-dropping rods are arranged at the uppermost end and the lowermost end of the outer side of the supporting inner skeleton cylinder, and the anti-dropping rods are tightly pressed by the connecting glue; thereby, the bottom tray of the filter cartridge, the supporting inner skeleton and the filter cartridge cover are locked into a firm whole, and will not burst or fall off due to insufficient adhesion between the connecting glue and the bottom tray of the filter cartridge and the filter cartridge cover; finally, the tensile strength of the air filter element is enhanced in the direction of the central axis of the filter cartridge, so that the air filter element as a whole can withstand higher air pressure and has a more significant anti-burst effect. Description of the drawings:

[0016] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model placed upright;

[0017] Figure 2 This is a schematic diagram of the three-dimensional structure of the bottom tray of the filter cartridge of the utility model placed upright and viewed from an oblique top;

[0018] Figure 3 This is a schematic diagram of the three-dimensional structure of the filter cartridge cover of the utility model when placed upright and viewed from above;

[0019] Figure 4 This is a schematic diagram of the three-dimensional structure of the supporting inner frame of the utility model;

[0020] Figure 5 It is a top view of the assembly of the pleated cylinder, the bottom tray of the filter cartridge and the supporting inner frame of the utility model;

[0021] Numbers in the figure: bottom tray of filter cartridge -1; pleated cylinder -2; winding belt -3; filter cartridge cover -4; supporting inner frame -5; supporting outer frame -6; sealing ring -7; anti-slip column -8; circular plane -9; anti-slip cap -10; anti-slip column -11; circular plane -12; anti-slip cap -13; anti-slip rod -14; anti-slip rod -15; inner pleat tip -16; outer pleat tip -17. Specific implementation method:

[0022] 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.

[0023] See also Figure 1-5The utility model provides a technical solution: it includes a filter cartridge bottom tray, a pleated cylinder fixed above the filter cartridge bottom tray and coaxially, a plurality of winding belts wrapped around the outer ring of the pleated cylinder, a filter cartridge cover fixed above the pleated cylinder and coaxially, an inner supporting skeleton, an outer supporting skeleton, and a sealing ring fixed above the filter cartridge cover and coaxially. The bottom tray of the filter cartridge includes a circular plane; within the width range of the circular plane, close to the outer ring side, an anti-slip column cap is provided above the circular plane when the bottom tray of the filter cartridge is placed upright; the number of the anti-slip column caps is several, and the several anti-slip column caps are arranged in a circular array with the central axis of the circular plane as the rotation axis; each anti-slip column cap is composed of an anti-slip column and an anti-slip cap; the anti-slip column is a cylinder or a square body; the anti-slip cap is a cylinder or a square body; the heights of the anti-slip column and the anti-slip cap are determined according to actual needs; when the bottom tray of the filter cartridge is placed upright, the anti-slip cap is located above the anti-slip column, and the end face area of ​​the anti-slip cap is larger than the end face area of ​​the anti-slip column. The pleated cylinder has a plurality of pleats; the central axis of the pleated cylinder coincides with the central axis of the annular plane 1; each anti-slip column cap 1 composed of the anti-slip column 1 and the anti-slip cap 1 is located between two adjacent outer pleat tips of the pleated cylinder. The number of the wrapping belts can be determined according to the height of the pleated cylinder and actual needs. The filter cartridge cover includes a circular plane 2, and within the width range of the circular plane 2, close to the outer ring side, when the filter cartridge cover is placed upright, an anti-slip column cap 2 is provided below the circular plane 2; the number of the anti-slip column caps 2 is several, and the several anti-slip column caps 2 are arranged in a circular array with the central axis of the circular plane 2 as the rotation axis; each of the anti-slip column caps 2 is composed of an anti-slip column 2 and an anti-slip cap 2; the anti-slip column 2 is a cylinder or a square body; the anti-slip cap 2 is a cylinder or a square body; the heights of the anti-slip column 2 and the anti-slip cap 2 are determined according to actual needs; when the filter cartridge cover is placed upright, the anti-slip cap 2 is located below the anti-slip column 2, and the end face area of ​​the anti-slip cap 2 is larger than the end face area of ​​the anti-slip column 2. The central axis of the circular plane 2 coincides with the central axis of the pleated cylinder; each of the anti-slip column caps 2 is located between two adjacent outer pleat tips of the pleated cylinder.The height of the supporting inner frame is the same as the height of the pleated cylinder; the supporting inner frame is cylindrical; the central axis of the supporting inner frame coincides with the central axis of the pleated cylinder; the lowermost end of the supporting inner frame is located on the outer side of the cylinder and is evenly provided with anti-slip rods, and the number of the anti-slip rods is several, and the several anti-slip rods are arranged in a circular array with the central axis of the supporting inner frame as the rotation axis; the anti-slip rod is cylindrical or square; the length of the anti-slip rod is determined according to actual needs; when the supporting inner frame is placed vertically, the anti-slip rod is parallel to the horizontal plane; each anti-slip rod is located between two adjacent inner pleat tips of the pleated cylinder; when placed upright, the highest point position of the anti-slip rod is determined according to actual needs, and when the anti-slip rod is placed upright after assembly The highest point of the anti-drop cap is lower than the lowest point of the anti-drop cap; the uppermost end of the support inner frame is located outside the cylinder and is evenly provided with anti-drop rods 2, the number of which is several, and the several anti-drop rods 2 are arranged in a circular array with the central axis of the support inner frame as the rotation axis; the anti-drop rods 2 are cylindrical or square; the length of the anti-drop rods 2 is determined according to actual needs; when the support inner frame is placed vertically, the anti-drop rods 2 are parallel to the horizontal plane, and the central axis of the anti-drop rods 2 passes through the central axis of the support inner frame; when placed upright, the lowest point of the anti-drop rods 2 is determined according to actual needs, and when placed upright after assembly, the lowest point of the anti-drop rods 2 is higher than the highest point of the anti-drop cap 2; each of the anti-drop rods 2 is located between two adjacent inner pleat tips of the pleated cylinder. The height of the support outer frame is the same as the height of the pleated cylinder; the support outer frame is cylindrical; the central axis of the support outer frame coincides with the central axis of the pleated cylinder. The lower part of the supporting inner skeleton, the lower part of the supporting outer skeleton, and the lower part of the pleated cylinder are connected and fixed to the bottom tray of the filter cartridge by connecting glue A. After assembly, the thickness of the connecting glue A is sufficient to bury the lower end surface of all the anti-drop caps 1 in the connecting glue A; the upper part of the supporting inner skeleton, the upper part of the supporting outer skeleton, and the upper part of the pleated cylinder are connected and fixed to the filter cartridge cover by connecting glue B. After assembly, the anti-drop rod 1 is buried in the connecting glue A, and the anti-drop rod 2 is buried in the connecting glue B; after assembly, from the central axis of the supporting inner skeleton to the outside are the supporting inner skeleton, the pleated cylinder, the winding belt, and the supporting outer skeleton.

[0024] It should be noted that in this article, terms such as "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes 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 apparatus.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high pressure resistant and explosion proof air filter element, characterized in that: The utility model comprises a filter cartridge bottom tray, a pleated cylinder fixed above the filter cartridge bottom tray and coaxially therewith, a plurality of winding belts wound around the outer ring of the pleated cylinder, a filter cartridge cover fixed above the pleated cylinder and coaxially therewith, an inner supporting frame, an outer supporting frame, and a sealing ring fixed above the filter cartridge cover and coaxially therewith.

2. The high pressure resistant and explosion proof air filter element according to claim 1, characterized in that: The bottom tray of the filter cartridge includes a circular plane; within the width range of the circular plane, close to the outer ring side, an anti-slip column cap is provided above the circular plane when the bottom tray of the filter cartridge is placed upright; the number of the anti-slip column caps is several, and the several anti-slip column caps are arranged in a circular array with the central axis of the circular plane as the rotation axis; each anti-slip column cap is composed of an anti-slip column and an anti-slip cap; the anti-slip column is a cylinder or a square body; the anti-slip cap is a cylinder or a square body; the heights of the anti-slip column and the anti-slip cap are determined according to actual needs; when the bottom tray of the filter cartridge is placed upright, the anti-slip cap is located above the anti-slip column, and the end face area of ​​the anti-slip cap is larger than the end face area of ​​the anti-slip column.

3. The high pressure resistant and explosion proof air filter element according to claim 2, characterized in that: The pleated cylinder has a plurality of pleats; the central axis of the pleated cylinder coincides with the central axis of the circular plane 1; each anti-slip column cap 1 composed of the anti-slip column 1 and the anti-slip cap 1 is located between two adjacent outer pleat tips of the pleated cylinder.

4. The high pressure resistant and explosion proof air filter element according to claim 3, characterized in that: The number of the wrapping belts can be determined according to the height of the pleated cylinder and actual needs.

5. The high pressure resistant and explosion proof air filter element according to claim 4, characterized in that: The filter cartridge cover comprises a circular plane 2, and within the width range of the circular plane 2, close to the outer ring side, when the filter cartridge cover is placed upright, an anti-stripping column cap 2 is provided below the circular plane 2; the number of the anti-stripping column caps 2 is several, and the several anti-stripping column caps 2 are arranged in a circular array with the central axis of the circular plane 2 as the rotating axis; each of the anti-stripping column caps 2 is composed of an anti-stripping column 2 and an anti-stripping cap 2; the anti-stripping column 2 is a cylinder or a square body; the anti-stripping cap 2 is a cylinder or a square body; the heights of the anti-stripping column 2 and the anti-stripping cap 2 are determined according to actual needs; when the filter cartridge cover is placed upright, the anti-stripping cap 2 is located below the anti-stripping column 2, and the end face area of ​​the anti-stripping cap 2 is larger than the end face area of ​​the anti-stripping column 2.

6. The high pressure resistant and explosion proof air filter element according to claim 5, characterized in that: The central axis of the second circular plane coincides with the central axis of the pleated cylinder; each of the second anti-slip column caps is located between two adjacent outer pleat tips of the pleated cylinder.

7. The high pressure resistant and explosion proof air filter element according to claim 6, characterized in that: The height of the supporting inner frame is the same as the height of the pleated cylinder; the supporting inner frame is cylindrical; the central axis of the supporting inner frame coincides with the central axis of the pleated cylinder; the lowermost end of the supporting inner frame is located on the outer side of the cylinder and is evenly provided with anti-slip rods, and the number of the anti-slip rods is several, and the several anti-slip rods are arranged in a circular array with the central axis of the supporting inner frame as the rotation axis; the anti-slip rod is cylindrical or square; the length of the anti-slip rod is determined according to actual needs; when the supporting inner frame is placed vertically, the anti-slip rod is parallel to the horizontal plane; each anti-slip rod is located between two adjacent inner pleat tips of the pleated cylinder; when placed upright, the highest point position of the anti-slip rod is determined according to actual needs, and when the anti-slip rod is placed upright after assembly The highest point of the anti-slip cap is lower than the lowest point of the anti-slip cap; the uppermost end of the supporting inner skeleton is located on the outside of the cylinder and is evenly provided with anti-slip rods 2, and the number of the anti-slip rods 2 is several, and the several anti-slip rods 2 are arranged in a circular array with the central axis of the supporting inner skeleton as the rotating axis; the anti-slip rods 2 are cylindrical or square columnar; the length of the anti-slip rods 2 is determined according to actual needs; when the supporting inner skeleton is placed vertically, the anti-slip rods 2 are parallel to the horizontal plane, and the central axis of the anti-slip rods 2 passes through the central axis of the supporting inner skeleton; when placed upright, the lowest point of the anti-slip rods 2 is determined according to actual needs, and when placed upright after assembly, the lowest point of the anti-slip rods 2 is higher than the highest point of the anti-slip cap 2; each of the anti-slip rods 2 is located between two adjacent inner pleat tips of the pleated cylinder.

8. The high pressure resistant and explosion proof air filter element according to claim 7, characterized in that: The height of the supporting exoskeleton is the same as that of the pleated cylinder; the supporting exoskeleton is cylindrical; and the central axis of the supporting exoskeleton coincides with the central axis of the pleated cylinder.

9. The high pressure resistant and explosion proof air filter element according to claim 8, characterized in that: The lower part of the supporting inner skeleton, the lower part of the supporting outer skeleton, and the lower part of the pleated cylinder are connected and fixed to the bottom tray of the filter cartridge by connecting glue A. After assembly, the thickness of the connecting glue A is sufficient to bury the lower end surface of all the anti-drop caps 1 in the connecting glue A; the upper part of the supporting inner skeleton, the upper part of the supporting outer skeleton, and the upper part of the pleated cylinder are connected and fixed to the filter cartridge cover by connecting glue B. After assembly, the anti-drop rod 1 is buried in the connecting glue A, and the anti-drop rod 2 is buried in the connecting glue B; after assembly, from the central axis of the supporting inner skeleton to the outside are the supporting inner skeleton, the pleated cylinder, the winding belt, and the supporting outer skeleton.

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