Fillet rectangular filter cartridge

Abstract

The utility model provides a rounded rectangular filter cartridge which comprises a paper folding filter material formed by folding filter paper in a reciprocating mode, the paper folding filter material is in a rounded rectangular barrel shape, a supporting inner net matched with an inner cavity of the paper folding filter material is arranged in the paper folding filter material, a head cover is arranged at one end of the paper folding filter material, and a bottom cover is arranged at the other end of the paper folding filter material. According to the utility model, the paper folding filter material is in the shape of the rounded rectangular cylinder, so that the filter cylinder is in the shape of the rounded rectangle, and compared with the traditional round filter cylinder arrangement, the rounded rectangle can enable the filter cylinder arrangement to be more compact under the condition of the same filter cylinder spacing and increase the effective utilization rate of the space of the dust remover as the rounded rectangle is compared with the inscribed circle shape of the rounded rectangle; as the perimeter of the rounded rectangle is longer than that of the inscribed circle of the rounded rectangle, the origami filter material has more origami under the same pleat depth, further the effective filter area of the filter cartridge is remarkably increased, and the filter performance of the filter cartridge is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of environmental protection equipment, in particular to a round rectangle filter cartridge. BACKGROUND

[0002] The filter cartridge is widely used in dust removal and filtration field, and is generally arranged and installed in the dust remover during use. The main component of the filter cartridge is the folded paper filter material folded back and forth by filter paper. At present, the folded paper filter material is mostly in the form of a circular cylinder, so the outer shape of the filter cartridge is in the form of a column, which leads to that the filter cartridges are not closely arranged in the dust remover, there is a large gap between the filter cartridges, the space utilization rate is low, and the overall effective filtration area of the filter cartridges in the dust remover is not fully utilized. SUMMARY

[0003] In order to overcome the defects and problems of the prior art, the utility model provides a round rectangle filter cartridge, which can greatly improve the overall effective filtration area of the filter cartridges in the dust remover and improve the filtration effect.

[0004] The utility model is realized through the following technical solutions:

[0005] A round rectangle filter cartridge comprises a folded paper filter material folded back and forth by filter paper, the folded paper filter material is in the form of a round rectangle cylinder, a supporting inner net adapted to the inner cavity of the folded paper filter material is arranged in the folded paper filter material, a head cover is arranged at one end of the folded paper filter material, and a bottom cover is arranged at the other end of the folded paper filter material.

[0006] A round rectangle first groove is arranged on the head cover, and one end of the folded paper filter material and the supporting inner net is clamped into the first groove.

[0007] The head cover is provided with an extension part, a reinforcing convex edge is arranged on the outer ring edge of the extension part, and the reinforcing convex edge is flush with the back surface of the groove bottom of the first groove.

[0008] A round rectangle second groove is arranged on the bottom cover, and one end of the folded paper filter material and the supporting inner net is clamped into the second groove.

[0009] The two ends of the folded paper filter material and the supporting inner net are fixed in the first groove and the second groove by gluing respectively.

[0010] A bandage is arranged on the folded paper filter material.

[0011] The supporting inner net is made of a high polymer material.

[0012] The head cover and the bottom cover are manufactured by one-piece stamping or welding.

[0013] A sealing ring is arranged on the head cover, and the sealing ring is located at the extension part, the back surface of the groove bottom of the first groove or the reinforcing convex edge.

[0014] The filter paper filter material is a round-corner rectangular cylinder, so the shape of the filter cylinder is a round-corner rectangle, compared with the traditional circular filter cylinder arrangement, because the round-corner rectangle is compared with the inscribed circle, the filter cylinder arrangement can be more compact under the same filter cylinder spacing, and the effective utilization rate of the dust collector space is increased; because the circumference of the round-corner rectangle is longer than the circumference of the inscribed circle, the filter paper filter material has more filter paper quantity under the same pleat depth, thereby significantly increasing the effective filtering area of the filter cylinder and improving the filtering performance of the filter cylinder. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a three-dimensional structure schematic diagram of the utility model;

[0016] Figure 2 is a parts exploded structure schematic diagram of the utility model;

[0017] Figure 3 and Figure 4 is a structure schematic diagram of the head cover in the utility model;

[0018] Figure 5 is a structure schematic diagram of the bottom cover in the utility model;

[0019] Figure 6 is a state schematic diagram of the utility model upper installation;

[0020] Figure 7 and Figure 8 is a state schematic diagram of the utility model lower installation;

[0021] Figure 9 is a contrast schematic diagram of two kinds of filter cylinders installed in the dust collector;

[0022] Figure 10 is a filter paper quantity contrast schematic diagram of two kinds of filter paper filter materials.

[0023] In the drawing: 1 - filter paper filter material, 11 - bandage, 2 - support inner net, 3 - head cover, 31 - first recess, 32 - outer extension part, 33 - reinforcing flange, 4 - bottom cover, 41 - second recess, 5 - sealing ring, 6 - dust collector flower plate. DETAILED DESCRIPTION

[0024] In order to facilitate the understanding of those skilled in the art, the utility model is further described in detail in combination with the drawings and specific embodiments.

[0025] As Figure 1 and Figure 2As shown, a round rectangular filter cartridge includes a paper filter 1 folded back and forth with filter paper, and the paper filter 1 is a cylindrical shape with rounded corners, which is the main part for dust removal filtration. The paper filter 1 is provided with a binding belt 11 to facilitate the shaping of the paper filter 1. The paper filter 1 is provided with a supporting inner net 2 that fits the inner cavity of the paper filter 1, that is, the supporting inner net 2 is also a round rectangular shape to fit the inner cavity of the paper filter 1. The supporting inner net 2 is made of a high polymer material. One end of the paper filter 1 is provided with a head cover 3, and the other end is provided with a bottom cover 4. The head cover 3 and the bottom cover 4 support the paper filter 1 and the supporting inner net 2.

[0026] As shown in Figure 3 and Figure 4 , the head cover 3 is provided with a round rectangular first groove 31, and one end of the paper filter 1 and the supporting inner net 2 is inserted into the first groove 31, which facilitates the installation of the paper filter 1 and the supporting inner net 2 with the head cover 3. The head cover 3 is provided with an extension part 32, and the outer edge of the extension part 32 is provided with a reinforcing convex edge 33, which is flush with the back of the groove bottom of the first groove 31. The reinforcing convex edge 33 can strengthen the structural strength of the head cover 2.

[0027] As shown in Figure 5 , the bottom cover 4 is provided with a round rectangular second groove 41, and one end of the paper filter 1 and the supporting inner net 2 is inserted into the second groove 41, which facilitates the installation of the paper filter 1 and the supporting inner net 2 with the bottom cover 4.

[0028] The head cover 3 and the bottom cover 4 are made by one-piece stamping or welding. The two ends of the paper filter 1 and the supporting inner net 2 are respectively fixed in the first groove 31 and the second groove 41 by gluing. The round rectangular supporting inner net 2 is nested in the paper filter 1, and the two ends are respectively inserted into the first groove and the second groove. After filling and sealing the glue, a filter cartridge is formed, and since the first groove and the second groove are both round rectangular designs, the paper filter 1 is also round rectangular after being fixed by glue, without the need for processing, reducing the processing and bonding difficulty.

[0029] The head cover 3 is provided with a sealing ring 5, which is located at the extension part 32, the back of the groove bottom of the first groove 31 or the reinforcing convex edge 33 according to the installation needs of the filter cartridge. The setting of the sealing ring 5 can effectively improve the sealing performance, the sealing performance is strong, the risk of leakage is reduced, and the applicability is improved.

[0030] As shown in Figure 6 , the filter cartridge is installed, the sealing ring 5 is located at the extension part 32, and the head cover 3 is tightly pressed against the dust collector flower plate 6 by means of bolts, screws, clamps and other methods to ensure the sealing of the filter cartridge, and the installation is completed.

[0031] As shown in Figure 7 and Figure 8As shown, the filter cartridge is installed from below, the sealing ring 5 is located at the back of the groove bottom of the first groove 31 or the reinforcing convex edge 33, and the head cover 3 is tightly attached to the dust collector flower plate 6 by means of bolts, screws, clamps and the like to ensure the sealing of the filter cartridge, and the installation from below is completed.

[0032] As Figure 9 shown, the two kinds of filter cartridges are installed in the dust collector, and the comparison is as follows: Figure 9 (a) is an effect diagram of a traditional circular filter cartridge installed in a dust collector, and it can be seen from the diagram that the arrangement of the filter cartridges in the dust collector is not tight enough, there is a large gap between the filter cartridges, and the space utilization rate is low; Figure 9 (b) is an effect diagram of a round rectangular filter cartridge used in the application installed in a dust collector, and it can be seen from the diagram that the filter cartridges are arranged more compactly under the same filter cartridge spacing, and the effective utilization rate of the dust collector space is increased; Figure 9 (c) is a comparison effect diagram of the two kinds of filter cartridges, and it can be seen that the shaded part is the space increased by the filter cartridge of the application relative to the traditional filter cartridge, and the effect is obvious.

[0033] As Figure 10 shown, the number of paper folds of the paper folded filter material of the two kinds of filter cartridges is compared, the circumference of the round rectangular filter material of the paper folded filter material of the application is longer than that of the inscribed circle, and the specific circumstances are as follows, Figure 10 (a) is the paper folded filter material of the inscribed circle filter cartridge, and the number of paper folds is 46, while Figure 10 (b) the number of paper folds of the paper folded filter material of the application is 64, and the number is obviously increased, and the filtering performance of the filter cartridge is obviously improved.

[0034] The above embodiments are the preferred implementation of the application, and are not a limitation of the application, and any obvious replacement without departing from the inventive concept of the application is within the protection scope of the application.

Claims

1. A rounded rectangular filter cartridge comprising a pleated filter media (1) made by reciprocally folding filter paper, characterized in that: The paper-folding filter is a round-rectangular cylindrical shape, and a supporting inner net (2) is arranged in the paper-folding filter to fit the inner cavity of the paper-folding filter.

2. The rounded rectangular filter cartridge of claim 1, wherein: The head cover (3) is provided with a round-rectangular first recess (31), and one end of the paper-folding filter (1) and the supporting inner net (2) is clamped into the first recess.

3. The rounded rectangular filter cartridge of claim 2, wherein: The head cover (3) is provided with an extension part (32), and the outer edge of the extension part is provided with a reinforcing convex edge (33) which is flush with the back of the bottom of the first recess (31).

4. The rounded rectangular filter cartridge of claim 1 wherein: The bottom cover (4) is provided with a round-rectangular second recess (41), and one end of the paper-folding filter (1) and the supporting inner net (2) is clamped into the second recess.

5. The rounded rectangular filter cartridge of claim 3 or 4, wherein: The two ends of the paper-folding filter (1) and the supporting inner net (2) are respectively fixed in the first recess (31) and the second recess (41) by gluing.

6. The rounded rectangular filter cartridge of claim 5, wherein: The paper-folding filter (1) is provided with a bandage (11).

7. The rounded rectangular filter cartridge of claim 6, wherein: The supporting inner net (2) is made of a high polymer material.

8. The rounded rectangular filter cartridge of claim 7, wherein: The head cover (3) and the bottom cover (4) are made by one-piece stamping or welding.

9. The rounded rectangular filter cartridge of claim 8, wherein: The head cover (3) is provided with a sealing ring (5) which is located at the extension part (32), the back of the bottom of the first recess (31) or the reinforcing convex edge (33).

Images