CN218392780U

CN218392780U - D-shaped filter element

Info

Publication number: CN218392780U
Application number: CN202222442762.XU
Authority: CN
Inventors: 张学勇; 郭岭行; 马郅凯; 赵贝; 毛鹏飞
Original assignee: SHANGHAI KAISEN ENVIRONMENTAL TECHNOLOGY CO LTD
Current assignee: SHANGHAI KAISEN ENVIRONMENTAL TECHNOLOGY CO LTD
Priority date: 2022-09-15
Filing date: 2022-09-15
Publication date: 2023-01-31
Anticipated expiration: 2032-09-15

Abstract

The utility model provides a D-shaped filter element, includes upper end cover, lower extreme cover, skeleton net and strains a section of thick bamboo, upper end cover and lower extreme cover are fixed respectively and are established the upper and lower both sides at skeleton net, skeleton net and strain a section of thick bamboo and be upper and lower both ends open-ended D shape structure, strain a section of thick bamboo and form a plurality of filtering along circumference distribution after folding along circumference, strain a section of thick bamboo and establish the outside at skeleton net, just it fixes between upper end cover and lower extreme cover to strain a section of thick bamboo. The framework net is arranged in the D-shaped filter element, so that the strength of the filter cylinder with lower strength can be increased, the deformation of the filter cylinder is prevented, and the filter cylinder can be folded to form more filtering waves.

Description

D-shaped filter element

Technical Field

The utility model belongs to the technical field of air purification device, especially, relate to a D shape filter core.

Background

Factory workshops can generate a large amount of smoke when mechanical parts are welded, cut or polished. If the air containing smoke dust is not filtered and purified in time, the health of surrounding workers can be seriously damaged. The filter element is used as a core component of the filtering and purifying device, and directly influences the effect and the efficiency of filtering and purifying the air. In the prior art, in order to increase the filtering area of the filter element, the filter element is folded along the circumferential direction to form filtering. On the same circle, the more the number of filters, the larger the effective filtering area. In order to be able to fold more filtering, it is generally necessary to use a less strong filter substrate. The strength of the filter base material is reduced, and the filter base material is easy to deform or be sucked together under the suction action of negative pressure wind power, so that the filter area of the filter base material is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a D shape filter core has solved the problem of proposing among the above-mentioned background art.

In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides a D-shaped filter element, includes upper end cover, lower extreme cover, skeleton net and strains a section of thick bamboo, upper end cover and lower extreme cover are fixed respectively and are established the upper and lower both sides at skeleton net, skeleton net and strain a section of thick bamboo and be upper and lower both ends open-ended D shape structure, strain a section of thick bamboo and form a plurality of filtering along circumference distribution after folding along circumference, strain a section of thick bamboo and establish the outside at skeleton net, just it fixes between upper end cover and lower extreme cover to strain a section of thick bamboo.

In addition to the above, and as a preferable mode of the above, a PTFE coating layer is provided on the windward side of the filter cartridge.

On the basis of the scheme, as a preferable scheme of the scheme, a plurality of hot melt adhesive layers are arranged on the leeward side of the filter cylinder at intervals from top to bottom, the depth of the hot melt adhesive layers penetrating into the filter is a, the wave height of the filter is b, and a is more than or equal to 0.4b and less than or equal to 0.6b.

On the basis of the above scheme and as a preferable scheme of the above scheme, the thickness of the hot melt adhesive layer is 1.2 mm, and the interval between two adjacent hot melt adhesive layers is 28 mm to 30 mm.

In addition to the above, as a preferable embodiment of the above, the material of the skeleton net is stainless steel, and the material of the filter cartridge is polyester.

In addition to the above aspects and as a preferable aspect of the above aspects, a carburized layer is provided on an outer surface of the filter cartridge.

On the basis of the above scheme and as a preferable scheme of the above scheme, a protruding sealing rubber strip is fixedly arranged on the upper surface of the upper end cover.

The utility model discloses the beneficial effect who has does: the framework net is arranged in the filter cylinder of the D-shaped filter element, so that the strength of the filter cylinder with lower strength can be increased, the filter cylinder is prevented from deforming, and more filtering can be folded out of the filter cylinder; the leeward side of straining a section of thick bamboo is equipped with a plurality of hot melt adhesive layers from the top down interval, and the intensity of straining a section of thick bamboo can be improved to the hot melt adhesive layer after solidifying, prevents that two faces of filtering from being by the actuation of negative pressure wind-force.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the filter cartridge.

Fig. 3 is a front view of the filter cartridge.

Fig. 4 is a top view of the filter cartridge.

Fig. 5 is a partial enlarged view of a portion a in fig. 4.

Fig. 6 is a sectional view taken along line B-B in fig. 4.

The reference numbers are as follows:

1. an upper end cover; 2. a lower end cover; 3. a skeletal network; 4. a filter cartridge; 41. filtering; 5. a PTFE film coating layer; 6. a hot melt adhesive layer; 7. and sealing rubber strips.

Detailed Description

To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are part of the embodiments of the present invention, rather than all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

As shown in fig. 1 to 6, the D-shaped filter element includes an upper end cover 1, a lower end cover 2, a framework net 3 and a filter cartridge 4, wherein the upper end cover 1 and the lower end cover 2 are respectively fixed on the upper and lower sides of the framework net 3, the framework net 3 and the filter cartridge 4 are D-shaped structures with openings at the upper and lower ends, the filter cartridge 4 is folded along the circumferential direction to form a plurality of filters 41 distributed along the circumferential direction, the filter cartridge 4 is arranged on the outer side of the framework net 3, and the filter cartridge 4 is fixed between the upper end cover 1 and the lower end cover 2.

The framework net is arranged in the D-shaped filter element, so that the strength of the filter cylinder with lower strength can be increased, the deformation of the filter cylinder is prevented, and the filter cylinder can be folded to form more filtering waves.

The PTFE film coating layer 5 is arranged on the windward side of the filter cylinder 4, the PTFE film coating layer can increase the filtering precision of the filter cylinder, the extremely small sieve holes can block most of submicron dust particles, the submicron dust particles are gathered on the surface of the filter cylinder and form a permeable dust blocking cake, and the dust blocking cake can block most of the dust particles outside the belt, so that the gathered dust particles can be blown off by air pressure conveniently.

The leeward side of the filter cartridge 4 is provided with a plurality of hot melt adhesive layers 6 at intervals from top to bottom, the depth of the hot melt adhesive layers 6 penetrating into the filter 41 is a, the wave height of the filter 41 is b, and a is more than or equal to 0.4b and less than or equal to 0.6b. The strength and hardness of the solidified hot melt adhesive layer are higher than those of the filter cylinder, so that the strength of the filter cylinder can be improved, two surfaces for filtering are prevented from being sucked by negative pressure wind power, the effective filtering area of the filter cylinder is ensured not to be reduced, the dust holding capacity of the filter cylinder is increased, the ventilation resistance is reduced, and the ash removal is more convenient and smooth.

The thickness of the hot melt adhesive layers 6 is 1.2 mm, and the interval between every two adjacent hot melt adhesive layers 6 is 28 mm to 30 mm.

The framework net 3 is made of stainless steel, and the filter cartridge 4 is made of polyester.

The outer surface of the filter cartridge 4 is provided with a carburized layer, so that the outer surface of the filter cartridge has certain antistatic performance.

The upper surface of the upper end cover 1 is fixedly provided with a convex sealing rubber strip 7, and when the filter element is fixed on the filtering and purifying device, the sealing rubber strip is mutually attached to the inner wall of the filtering and purifying device, so that the sealing property can be improved.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A D-shaped filter element is characterized in that: including upper end cover (1), lower extreme cover (2), skeleton net (3) and strain a section of thick bamboo (4), upper end cover (1) and lower extreme cover (2) are fixed respectively and are established the upper and lower both sides in skeleton net (3), skeleton net (3) and strain a section of thick bamboo (4) are upper and lower both ends open-ended D shape structure, strain a section of thick bamboo (4) and form a plurality of filtering (41) along circumference distribution after folding along circumference, strain a section of thick bamboo (4) and establish the outside at skeleton net (3), just it fixes between upper end cover (1) and lower extreme cover (2) to strain a section of thick bamboo (4).

2. A D-shaped filter element as recited in claim 1, wherein: the windward side of the filter cylinder (4) is provided with a PTFE (polytetrafluoroethylene) film coating layer (5).

3. A D-shaped filter element as claimed in claim 2 wherein: the leeward side of the filter cartridge (4) is provided with a plurality of hot melt adhesive layers (6) at intervals from top to bottom, the depth of the hot melt adhesive layers (6) penetrating into the filter (41) is a, the wave height of the filter (41) is b, and a is more than or equal to 0.4b and less than or equal to 0.6b.

4. A D-shaped filter element as claimed in claim 3 wherein: the thickness of the hot melt adhesive layers (6) is 1.2 mm, and the interval between every two adjacent hot melt adhesive layers (6) is 28 mm to 30 mm.

5. A D-shaped filter element as recited in claim 1, wherein: the framework net (3) is made of stainless steel, and the filter cartridge (4) is made of polyester.

6. A D-shaped filter element as claimed in claim 5 wherein: and a carburized layer is arranged on the outer surface of the filter cylinder (4).

7. A D-shaped filter element as claimed in claim 1 wherein: and a convex sealing rubber strip (7) is fixedly arranged on the upper surface of the upper end cover (1).