Novel laminated honeycomb type air filter element and air filter

Abstract

The utility model discloses a novel laminated honeycomb type air filter element, belongs to the technical field of air filtration, and solves the problem of insufficient structural strength of the existing large-area air filter element. The filter element comprises a supporting frame and a plurality of filter element bags, each filter element bag comprises a lower protection plate and a plurality of composite filter materials, each composite filter material comprises a corrugated filter material and a flat plate filter material, the corrugated filter material is placed at the top of the flat plate filter material, one end of the corrugated filter material and one end of the flat plate filter material are coated with first end sealing glue, and the other end of the corrugated filter material and the flat plate filter material are coated with second end sealing glue. The multiple composite filter materials are mounted on the lower protection plate in a stacked mode in the wave height direction of the corrugated filter materials, the other ends of the corrugated filter materials corresponding to every two adjacent composite filter materials and the other ends of the flat filter materials are coated with second end sealing glue, and the multiple filter element packages are mounted in the supporting frame in a stacked mode in the wave height direction of the corrugated filter materials. According to the laminated honeycomb type air filter element disclosed by the utility model, the structural strength of the filter element can be effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to air filter technology field more specifically, it relates to a novel laminated honeycomb type air filter element, air filter. BACKGROUND

[0002] Air filter is through the action of porous filter material from gas-solid two-phase flow trapping dust, and make gas can be purified equipment. The air filter of different fields, its filtering efficiency requirement is not quite same, such as engineering machinery air filter's filtering efficiency is relatively low, and the medical field to filter's filtering efficiency requirement generally is H13 and above, to reach this kind of superhigh efficiency filter grade, filter's filter material needs to select the glass fiber filter material or ultrafine synthetic fiber filter material processing production with superhigh filtering efficiency. But because this kind of superhigh efficiency filter material is soft, the strength of filter material is poor, leading to the filter element made in laminated mode size not suitable for being big, filter element cross section is generally 300mmX300mm, otherwise filter element will be pressed down due to its own dead weight and the wave shape of itself. However in most application occasions, the inflow cross section size of square laminated honeycomb filter element is needed to be made relatively big, such as made to 600mmx600mm or above, the existing laminated honeycomb filter element is difficult to meet the use demand. Therefore, design a kind of novel laminated honeycomb type air filter element, air filter and its manufacturing method. SUMMARY

[0003] The utility model wants to solve the technical problem to the above insufficient of prior art, the purpose of the utility model is to provide a kind of novel laminated honeycomb type air filter element, can effectively improve the structural strength of filter element.

[0004] The purpose two of the utility model is to provide a kind of novel laminated honeycomb type air filter, can satisfy the use of larger filter area.

[0005] In order to realize the above-mentioned purpose one, the utility model provides a kind of novel laminated honeycomb type air filter element, including support frame and multiple filter element packages, each the filter element package includes lower guard plate and multiple composite filter materials, each the composite filter material includes corrugated filter material and flat plate filter material, the corrugated filter material is placed at the top of flat plate filter material, and the one end of the corrugated filter material is coated with first end sealing glue with the one end of flat plate filter material, multiple the composite filter materials are laminatedly installed on lower guard plate along the wave height direction of corrugated filter material, and the other end of the corrugated filter material corresponding to adjacent two the composite filter materials is coated with second end sealing glue with the other end of flat plate filter material, multiple the filter element packages are laminatedly installed in support frame along the wave height direction of corrugated filter material.

[0006] As a further improvement, the support frame and the filter core package are both square structures, the support frame comprises an upper protective plate, a left end cover plate and a right end cover plate, the upper protective plate is sealedly installed at the top of the topmost filter core package by glue, the flat filter material is sealedly connected with the lower protective plate, between adjacent two filter core packages, between the filter core package and the left end cover plate and the right end cover plate, and between the upper protective plate and the left end cover plate and the right end cover plate by glue.

[0007] Further, the upper protective plate and the lower protective plate corresponding to each filter core package are both provided with plug-in plates, the left end cover plate and the right end cover plate are both slot plates provided with bent plates around, and the plug-in plates corresponding to the upper protective plate and the lower protective plate are respectively plugged into the left end cover plate and the right end cover plate.

[0008] Further, the plug-in plates are both provided with anti-falling structures between the plug-in plates and the left end cover plate and the right end cover plate.

[0009] Further, the upper protective plate and the lower protective plate corresponding to the bottommost filter core package are both provided with flanges on one side or both sides in the airflow direction.

[0010] Further, the support frame is provided with a coarse filtration structure on one side of the inflow surface.

[0011] Further, the support frame is further provided with protective nets on both sides, and the coarse filtration structure is located on the inner side of the protective nets.

[0012] In order to achieve the above-mentioned purpose two, the utility model provides a novel laminated honeycomb type air filter, including at least one above -mentioned air filter core.

[0013] Beneficial effects

[0014] Compared with the prior art, the utility model has the advantages of:

[0015] 1. The laminated honeycomb type air filter core adopts a honeycomb structure, has higher space utilization and more compact structure compared with a traditional folding type air filter.

[0016] 2. The laminated honeycomb type air filter core adopts a block structure, each filter core package is provided with a lower protective plate, thereby forming a support structure between adjacent two filter core packages, improving the filter core strength, and effectively solving the problem that glass fiber filter material or composite filter material has low strength and cannot be made into large-size laminated filter cores.

[0017] 3. The laminated honeycomb type air filter core adopts a block structure, can be produced modularly, can effectively reduce the production difficulty and improve the production process efficiency, and can also better realize the serialization of product size and the generalization of parts. DRAWINGS

[0018] Figure 1 It is the front view structural schematic diagram of the utility model;

[0019] Figure 2 It is the three-dimensional structure schematic diagram of the filter element package of the utility model;

[0020] Figure 3 It is Figure 2 It is the structure enlarged schematic diagram of A in the middle;

[0021] Figure 4 It is the three-dimensional structure schematic diagram of the lower guard plate in the utility model;

[0022] Figure 5 It is the three-dimensional structure schematic diagram of the left end cover plate in the utility model;

[0023] Figure 6 It is the local structure enlarged schematic diagram of the composite filter material in the utility model;

[0024] Figure 7 It is the local structure enlarged schematic diagram of the composite filter material layering in the utility model;

[0025] Figure 8 It is the three-dimensional structure schematic diagram of the utility model;

[0026] Figure 9 It is Figure 8 It is the structure schematic diagram of removing the right end cover plate in the utility model;

[0027] Figure 10 It is Figure 9 It is the structure enlarged schematic diagram of B in the middle.

[0028] Wherein, 1-support frame, 2-filter element package, 3-inserting plate, 4-anti-drop structure, 5-flanging, 6-coarse filter structure, 7-protection net, 11-upper guard plate, 12-left end cover plate, 13-right end cover plate, 21-lower guard plate, 22-composite filter material, 23-second end portion sealing glue, 221-corrugated filter material, 222-flat plate filter material, 223-first end portion sealing glue. DETAILED DESCRIPTION

[0029] The utility model will be further explained in combination with specific embodiment in the drawing.

[0030] Refer to Figures 1-10The utility model discloses a new type of laminated honeycomb air filter element, including support frame 1 and a plurality of filter element package 2, and each filter element package 2 includes lower guard plate 21 and a plurality of composite filter material 22, and each composite filter material 22 includes corrugated filter material 221 and flat plate filter material 222, wherein the corrugated filter material 221 is placed on the top of flat plate filter material 222, and one end of corrugated filter material 221 and one end of flat plate filter material 222 are coated with first end sealing glue 223, form a layer of composite filter material 22, a plurality of composite filter material 22 are installed on lower guard plate 21 along the wave height direction of corrugated filter material 221, and the other end of the corresponding corrugated filter material 221 of adjacent two composite filter material 22 and the other end of flat plate filter material 222 are coated with second end sealing glue 23, form a plurality of layers of composite filter material 22, the corrugated filter material 221 and flat plate filter material 222 between single layer form inflow channel, and the inflow channel is communicated with the inflow surface of air filter element, the corrugated filter material 221 and flat plate filter material 222 between adjacent two layers form outflow channel, and the outflow channel is communicated with the outflow surface of air filter element, form honeycomb flow channel, and air enters into outflow channel from inflow channel to reach the purpose of filtration, which adopts honeycomb structure, and compared with traditional folding type air cleaner, the space utilization is higher, and the structure is more compact, a plurality of filter element package 2 are installed in support frame 1 along the wave height direction of corrugated filter material 221, and form laminated honeycomb air filter element.

[0031] The laminated honeycomb air filter element of the utility model adopts the block structure, each filter element package 2 is supported by the lower guard plate 21, the lower guard plate 21 can effectively support the multilayer composite filter material 22 during the manufacturing process, convenient carrying and transferring, further avoid the problem of damage during the manufacturing process, and after the air filter element is assembled, the support structure is formed between the adjacent two filter element packages 2, the filter element strength is improved, and the problem that the glass fiber filter material or composite filter material is low in strength and cannot be made into large-size laminated filter element is effectively solved.

[0032] And, the laminated honeycomb air filter element of the utility model adopts the block structure, can be produced and manufactured modularly, can effectively reduce the manufacturing difficulty and improve the efficiency of the manufacturing process, and can better realize the serialization of product size and the generalization of parts.

[0033] In the embodiment, the support frame 1 and the filter element package 2 are square structures, that is, the entire air filter element is square, wherein the support frame 1 comprises an upper guard plate 11, a left end cover plate 12 and a right end cover plate 13, the upper guard plate 11 is sealed and installed on the top of the topmost filter element package 2 by glue, the flat filter material 222 is sealed and connected with the lower guard plate 21 by glue, the adjacent two filter element packages 2 (that is, the flat filter material 222 corresponding to the adjacent two filter element packages 2 and the lower guard plate 21), and the filter element package 2 and the left end cover plate 12 and the right end cover plate 13 and the upper guard plate 11 and the left end cover plate 12 and the right end cover plate 13 are all sealed and connected by glue, so that the air can only flow from the inlet channel to the outlet channel, forming a unique air flow channel, thereby achieving the filtering effect. The square air filter element of the embodiment is convenient for transportation and assembly, and can improve the structural strength of the filter element.

[0034] Preferably, the upper guard plate 11 and the lower guard plate 21 corresponding to each filter element package 2 have a plug-in plate 3 at both ends, that is, the upper guard plate 11 and the lower guard plate 21 are integrally formed with the plug-in plate 3 at the corresponding end of the left end cover plate 12 and the right end cover plate 13, the left end cover plate 12 and the right end cover plate 13 are both groove plates with flanged bent plates around, and the plug-in plate 3 corresponding to the upper guard plate 11 and the lower guard plate 21 is respectively plugged into the left end cover plate 12 and the right end cover plate 13. When the glue is used for sealing, the glue can be accumulated in the left end cover plate 12 and the right end cover plate 13, and the plug-in plate 3 is located in the left end cover plate 12 and the right end cover plate 13, which can better contact with the glue, thereby improving the connection reliability of the upper guard plate 11 and the lower guard plate 21 and the left end cover plate 12 and the right end cover plate 13, ensuring the sealing performance and further improving the structural strength of the filter element.

[0035] Preferably, the plug-in plate 3 and the left end cover plate 12 and the right end cover plate 13 are provided with an anti-dropping structure 4, which can be a plurality of through holes opened on the plug-in plate 3, a protruding part integrally formed on the plug-in plate 3, a groove integrally formed on the plug-in plate 3, a protruding block protruding on the inner wall bottom of the left end cover plate 12 or the right end cover plate 13, etc. The anti-dropping structure 4 increases the adhesion between the plug-in plate 3 and the glue or the glue and the left end cover plate 12 and the right end cover plate 13, thereby improving the connection reliability of the upper guard plate 11 and the lower guard plate 21 and further improving the structural strength of the filter element.

[0036] Preferably, the upper guard plate 11 and the lower guard plate 21 corresponding to the filter core package 2 at the bottom layer are provided with a flange 5 on one side or both sides in the air flow direction, that is, the flange 5 is located on the inflow surface or / and the outflow surface of the air filter. By providing the flange 5 in the upper guard plate 11 and the lower guard plate 21, on the one hand, it is convenient to position the composite filter material 22 during production, and to position the adjacent two filter core packages 2 during assembly of the filter core, so that the multiple filter core packages 2 in the entire filter core are flush; on the other hand, it can improve the structural strength of the filter core, and avoid the problem of transverse movement of the composite filter material during later handling or use of the filter core. Further, the lower guard plate 21 corresponding to each filter core package 2 can also be provided with a flange 5, which is even better. It should be noted that the height of the flange 5 should be less than the height of the corrugated filter material 221, so as not to block the inflow channel or the outflow channel.

[0037] Preferably, a coarse filter structure 6 is provided on one side of the support frame 1 at the inflow surface, which can be non-woven fabric or sponge or steel wool, etc., and serves to coarsely filter the air. The air first passes through the coarse filter before entering the composite filter material for filtration, so that the effect of two-stage filtration is better, and the wear of the composite filter material can be reduced.

[0038] Preferably, a protective net 7 is further provided on both sides of the support frame 1, and the coarse filter structure 6 is located inside the protective net 7, which can serve to protect the composite filter material and the coarse filter structure 6.

[0039] The embodiment also provides a new type of laminated honeycomb air filter, which comprises at least one of the above-mentioned air filter cores. In actual application, multiple air filter cores can be combined and spliced according to the filtration area, and the support frames between the adjacent two air filter cores are sealed and connected by glue, so that the use of a larger filtration area can be met.

[0040] The embodiment also provides a new type of laminated honeycomb air filter manufacturing method, which comprises the above-mentioned air filter core, and comprises the following steps:

[0041] S1: preparing multiple composite filter materials 22 with consistent length and width, which is specifically performed in the following manner: square flat filter materials 222 and corrugated filter materials 221 are respectively prepared according to sizes, then a first end portion sealing glue 23 is applied to one end of the flat filter material 222, then the corrugated filter material 221 is placed on the flat filter material 222 to obtain a single composite filter material 22, and the operation is repeated to obtain multiple composite filter materials 22;

[0042] S2: applying glue on the top of the lower guard plate 21, and then placing and pasting a layer of composite filter material 22 on the top of the lower guard plate 21;

[0043] S3: applying a second end portion sealing glue 23 on the top of the composite filter material 22 at the end opposite to the first end portion sealing glue 223, and then placing and pasting a layer of composite filter material 22 on the top of the composite filter material 22;

[0044] S4: repeating step S3 until the height dimension of the filter core package is reached, to obtain a single filter core package 2;

[0045] S5: repeating steps S2-S4 to obtain a plurality of filter core packages 2;

[0046] S6: applying glue on the top of the composite filter material 22 of one of the filter core packages 2, and placing and sticking the corresponding lower guard plate 21 of another filter core package 2 on the top of the composite filter material 22 of the one filter core package 2;

[0047] S7: repeating step S6 until the height dimension of the air filter core is reached;

[0048] S8: installing the coarse filtration structure 6 on the support frame 1 on the side of the inflow surface of the air filter core;

[0049] S9: installing the protective net 7 on both sides of the support frame 1;

[0050] S10: applying glue on the top of the composite filter material 22 of the uppermost filter core package 2, and then placing and sticking the upper guard plate 11 on the top thereof to obtain a full-size filter core package;

[0051] S11: applying glue in the left end cover plate 12 and the right end cover plate 13 respectively, and then placing and sticking the left end cover plate 12 and the right end cover plate 13 on the left and right ends of the full-size filter core package respectively to obtain a complete air filter core.

[0052] In step S4 of the embodiment, the height dimension of the filter core package refers to that the number n of layers of the composite filter material 22 satisfies the following formula:

[0053] H = nh - Δd;

[0054] wherein m is the weight of a single layer of the composite filter material, n is the total number of layers of the composite filter material, h is the height of a single layer of the composite filter material, H is the total height of the single filter core package, Δd is the cumulative deformation amount of the composite filter material after being stacked for n layers, k is the elastic coefficient of the composite filter material in the stacking direction, and g is the acceleration of gravity.

[0055] Specifically, the calculation process of the cumulative deformation amount Δd of the composite filter material after being stacked for n layers is as follows:

[0056]

[0057] Δd i is the deformation amount of the i-th layer of the composite filter material when being stacked and bonded from bottom to top.

[0058] The air filter element, the split of the plurality of filter element packs 2 is obtained according to the height dimension of the air filter element, and the cumulative deformation Δd of the single filter element pack 2 after the laminated n layers of the composite filter material is not more than 1.5 h (the height of the single layer of the composite filter material) is taken as the reference to be divided in the design process.

[0059] The air filter element, the cumulative deformation Δd of the single filter element pack 2 is strictly controlled in the manufacturing process, so that the height of each filter element pack 2 is ensured, and the height of the air filter element obtained after the assembly of the plurality of filter element packs 2 meets the height required by the design, and the assembly accuracy of the air filter element is effectively ensured.

[0060] Preferably, the flowability of the glue used in the step S9 is greater than that of the glue used in the steps S2, S3, S6 and S8, the flowability of the glue associated with the filtering surface of the composite filter material 22 is poor, the glue is prevented from affecting the filtering area, the filtering effect of the filter element is ensured, the flowability of the glue corresponding to the left end cover plate 12 and the right end cover plate 13 is relatively good, the glue can flow to the edges of the composite filter material 22 and the upper protective plate 11, and the connection reliability is further improved.

[0061] The above is only the preferred embodiment of the utility model, and it should be pointed out that, for those skilled in the art, without departing from the structure of the utility model, a plurality of modifications and improvements can be made, and these will not affect the effect and practicality of the utility model.

Claims

1. A novel stacked honeycomb air filter element, characterized in that, The system includes a support frame (1) and multiple filter cartridges (2). Each filter cartridge (2) includes a lower guard plate (21) and multiple composite filter media (22). Each composite filter media (22) includes a corrugated filter media (221) and a flat filter media (222). The corrugated filter media (221) is placed on top of the flat filter media (222), and one end of the corrugated filter media (221) and one end of the flat filter media (222) are coated with a first end sealant (223). Multiple composite filter media (22) are stacked on the lower guard plate (21) along the wave height direction of the corrugated filter media (221), and the other end of the corrugated filter media (221) of two adjacent composite filter media (22) and the other end of the flat filter media (222) are coated with a second end sealant (23). Multiple filter cartridges (2) are stacked in the support frame (1) along the wave height direction of the corrugated filter media (221).

2. The novel stacked honeycomb air filter element according to claim 1, characterized in that, The support frame (1) and filter cartridge (2) are both square structures. The support frame (1) includes an upper guard plate (11), a left end cover plate (12) and a right end cover plate (13). The upper guard plate (11) is installed on the top of the top filter cartridge (2) by glue sealing. The flat filter material (222) is sealed with the lower guard plate (21), the two adjacent filter cartridges (2), the filter cartridge (2) and the left end cover plate (12) and the right end cover plate (13), and the upper guard plate (11) and the left end cover plate (12) and the right end cover plate (13) are all sealed with glue sealing.

3. A novel stacked honeycomb air filter element according to claim 2, characterized in that, Both ends of the upper guard plate (11) and the lower guard plate (21) corresponding to each filter element pack (2) have plug-in plates (3). The left end cover plate (12) and the right end cover plate (13) are both grooved plates with bent plates around them. The plug-in plates (3) corresponding to the upper guard plate (11) and the lower guard plate (21) are respectively plugged into the left end cover plate (12) and the right end cover plate (13).

4. A novel stacked honeycomb air filter element according to claim 3, characterized in that, Each of the plug-in plates (3) is provided with an anti-detachment structure (4) between the left end cover plate (12) and the right end cover plate (13).

5. A novel stacked honeycomb air filter element according to claim 2, characterized in that, The upper guard plate (11) and the lower guard plate (21) corresponding to the bottom filter cartridge (2) are provided with flanges (5) on one or both sides along the airflow direction.

6. A novel stacked honeycomb air filter element according to claim 1, characterized in that, The support frame (1) is provided with a coarse filter structure (6) on one side of the inflow surface.

7. A novel stacked honeycomb air filter element according to claim 6, characterized in that, The support frame (1) is also provided with protective nets (7) on both sides, and the coarse filter structure (6) is located inside the protective nets (7).

8. A novel stacked honeycomb air filter, characterized in that, The air filter element comprising at least one of the claims 1-7 above.

Images