CN212283308U

CN212283308U - Inclined hole crossing honeycomb filter screen

Info

Publication number: CN212283308U
Application number: CN202020587492.XU
Authority: CN
Inventors: 倪棕; 谈凯旋; 朱牡丹; 彭风雷
Original assignee: Nantong Henka Environment Solutions Co ltd
Current assignee: Nantong Henka Environment Solutions Co ltd
Priority date: 2020-04-17
Filing date: 2020-04-17
Publication date: 2021-01-05
Anticipated expiration: 2030-04-17

Abstract

The utility model provides an inclined hole crossed honeycomb filter screen, which relates to the technical field of air purification and comprises a frame, a first mesh, a first adhesive film, an inclined hole paper honeycomb, a filter material, a second adhesive film and a second mesh; the inclined hole paper honeycomb is arranged in the middle layer of the honeycomb filter screen, filter materials are uniformly distributed on the inclined hole paper honeycomb, a first adhesive film and a second adhesive film are arranged on the upper surface and the lower surface of the inclined hole paper honeycomb, a first mesh cloth and a second mesh cloth are arranged on the outer sides of the first adhesive film and the second adhesive film, and a frame is arranged on the periphery of the whole honeycomb filter screen; the inclined-hole paper honeycomb is composed of an aramid fiber precipitation fiber layer, a leaf fiber layer and a polyester fiber layer, and silver zeolite molecular sieve powder is uniformly distributed in a filter material; the inclined hole paper honeycomb is divided into a first layer of twill and a second layer of twill which are made of the same materials, the first layer of twill and the second layer of twill are arranged in a stacked mode alternately, and the twills are symmetrical to each other. The utility model discloses can effectively solve the honeycomb active carbon technology manufacturing cost who exists among the prior art high, the low and unstable problem of quality of adsorption efficiency.

Description

Inclined hole crossing honeycomb filter screen

Technical Field

The utility model relates to an air purification technical field especially relates to an inclined hole crossing honeycomb filter screen.

Background

At present, a plurality of paper honeycomb air filter screens in the market are manufactured according to the honeycomb structure principle of the nature, kraft paper is bonded by glue to form a plurality of hollow three-dimensional regular hexagons, and honeycomb core blocks with the same thickness are connected together to form a whole strip. Before use, equipment is required to be stretched, dried and shaped, so that the requirement on stretching and drying equipment is high: (1) the general stretching degree is that the width of the honeycomb paper core is the optimal 75% of the width when the honeycomb paper core is not unfolded, and the equipment core strip is controlled to be too tight, so that the material waste is increased, and the material is too loose and the holes are easy to appear, so that the quality problem is caused; (2) the drying degree is higher as the water content of the paper honeycomb is lower, the strength of the finished product is higher, so that a proper drying temperature is required to be set according to the production environment, and the proper paper feeding speed is adjusted, the temperature is too high/speed is too low, the honeycomb has the possibility of burning, the production efficiency is low, the temperature is too low/speed is too high, the honeycomb is not dried in place, and the honeycomb can retract to influence the quality of the finished product. Current paper honeycomb filter screen all adopts the form of straight hole, and the air is direct to pass through filter screen honeycomb hole, and the active carbon granule contact time of contaminated air and honeycomb intussuseption is short, and the absorbent effect of active carbon particulate matter is low. Meanwhile, the structure of the paper honeycomb is soft, the integral strength of the filter is not high, and the filter is easy to deform and damage under stress. In the novel process for adhering the activated carbon to the honeycomb in recent years, two honeycombs, namely a plastic honeycomb and a paper honeycomb, are mainly adopted as aggregate, and water-based glue is used for adhering the activated carbon to the adhesive, but the plastic honeycomb has very strong hydrophobicity and poor glue adhesion, and the paper honeycomb becomes soft and deforms after meeting water and is not easy to shape. The manufacturing cost of the honeycomb activated carbon-bonded process is relatively high.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems of high manufacturing cost, low adsorption efficiency and unstable quality of the honeycomb activated carbon process in the prior art, the inclined-hole crossed honeycomb filter screen comprises a frame, a first mesh, a first adhesive film, an inclined-hole paper honeycomb, a filter material, a second adhesive film and a second mesh; the inclined-hole paper honeycomb is arranged in the middle layer of the honeycomb filter screen, filter materials are uniformly distributed on the inclined-hole paper honeycomb, the first adhesive film and the second adhesive film are arranged on the upper surface and the lower surface of the inclined-hole paper honeycomb, the first mesh cloth and the second mesh cloth are respectively arranged on the outer sides of the first adhesive film and the second adhesive film, and the frame is arranged on the periphery of the whole honeycomb filter screen; the inclined-hole paper honeycomb is formed by bonding or pressing an aramid fiber precipitation fiber layer, a leaf fiber layer and a polyester fiber layer, and silver zeolite molecular sieve powder is uniformly distributed in a filter material; the inclined hole paper honeycomb is divided into a first layer twill and a second layer twill which are made of the same materials, the first layer twill and the second layer twill are alternately arranged in a stacked mode, the twills on the first layer twill and the second layer twill are symmetrical to each other, and the air inlet is formed by ripples of the first layer twill and the second layer twill.

Preferably, the corrugations between the first layer of twill and the second layer of twill are staggered by 60 degrees multiplied by 30 degrees or 45 degrees multiplied by 45 degrees, and the height of the corrugations is within the interval of 5-9 mm.

Through adopting above-mentioned technical scheme, ripple between the first layer twill of inclined hole paper honeycomb and the second floor twill is crisscross the setting, because the entrance of two-layer twill is present honeycombedly, the air volume that the entrance got into does not have the difference with the paper honeycomb filter screen of straight hole formula, and adopt the ripple of crisscross setting in the inclined hole paper honeycomb, the same amount of air can pass through the filter material in the multilayer inclined hole paper honeycomb when getting into in the inclined hole paper honeycomb to reach better filter effect.

Preferably, the inclined-hole paper honeycomb is formed by connecting inclined-hole paper with water-soluble environment-friendly glue, and the inclined-hole paper is connected with each other through the wave height bottom.

By adopting the technical scheme, compared with a plastic honeycomb, the paper honeycomb has better adhesion of water-soluble glue, does not contain a surfactant, and has good performances of high water absorption, high water resistance, honeycomb strength improvement, lasting efficiency and the like.

Preferably, the inclined hole paper honeycomb can be cut according to the size of the filter screen, wherein the inclined hole paper honeycomb is a long side parallel to the wave height, and a wide side perpendicular to the wave height.

Through adopting above-mentioned technical scheme, the in-process that the inclined hole honeycomb was tailor, the limit parallel with the wave height is long limit, is the broadside with the perpendicular limit of wave height, and such design can let the face that long limit and broadside are constituteed have great area for inclined hole crossing honeycomb filter screen air inlet face as far as possible to let whole filter screen can have great filter capacity.

Preferably, the first layer of twill and the second layer of twill in the inclined-hole paper honeycomb are both of upper and lower corrugations, the upper and lower corrugations are identical in shape and are arranged at intervals, and the adjacent two layers are fixed in a mode that the tops and the bottoms of the wave heights are connected.

Through adopting above-mentioned technical scheme, alternate arrangement from top to bottom in first layer twill and the second floor twill of inclined hole paper honeycomb, and ripple is the same and alternate arrangement from top to bottom on the ripple on same layer twill, and the filtration of air is carried out in the space among the abundant utilization layer structure, and the design of cooperation inclined hole lets the air can pierce through many times in inclined hole paper honeycomb, finally reaches better purifying effect.

Preferably, the filter screen and the frame are bonded and encapsulated by hot melt adhesive.

By adopting the technical scheme, the hot melt adhesive is bonded and packaged, has the advantages of rapid bonding, stable performance, low cost and the like, has unchanged chemical characteristics in the heating process, is nontoxic and tasteless, and belongs to an environment-friendly chemical product.

Preferably, activated carbon particles are adhered to the filter material.

Through adopting above-mentioned technical scheme, the active carbon is as the conventional material in the filter screen, can have fine granule adsorption effect to the contaminated air, and the technology of honeycomb adhesion active carbon has easy operation, advantage that the paper adsorptivity is good.

Preferably, the frame is a frame body surrounding the first mesh cloth, the first adhesive film, the inclined-hole paper honeycomb, the filter material, the second adhesive film and the second mesh cloth, folded edges are arranged at upper and lower openings of the frame, which are connected with the first mesh cloth and the second mesh cloth, and the folded edges are connected with the first mesh cloth and the second mesh cloth through hot melt adhesives.

Through adopting above-mentioned technical scheme, the frame encircles around whole filter screen, and the frame edge is through adopting the hem to be connected through hot melt adhesive and first screen cloth and second screen cloth, guaranteed the overall structure's of filter screen stability.

To sum up, the honeycomb inclined hole structure is adopted in the utility model, the distance of air passing through the filter screen is increased, the air flow distribution of air passing through the filter screen is changed, and the filtering effect of the inclined hole paper honeycomb air filter screen is improved; the multi-layer fiber filtering material and the silver zeolite molecular sieve powder in the paper improve the water absorption and can sterilize and resist mildew; the corrugation height and the honeycomb hole inclination can be adjusted according to the requirements, and the filter material can be suitable for filter material particles with different particle diameters, and meet different performance requirements; the adhesive is green and environment-friendly, improves the strength of the honeycomb, improves the water resistance, and is suitable for producing an air filter screen with more uniform filtering effect and filter materials stuck to the inclined-hole honeycomb; the process of adhering the activated carbon by the honeycomb can be conveniently adopted, the operation is simple, the water absorption of the paper is good, and due to the inclined hole structure, the paper has high tidy strength, is not easy to deform and is simple to process and produce.

Drawings

FIG. 1 is a schematic layer structure of an inclined-hole cross-type honeycomb filter screen;

FIG. 2 is a schematic diagram of a first layer of diagonal and a second layer of diagonal of the diagonal paper honeycomb of a diagonal cross-hole honeycomb filter screen;

FIG. 3 is a schematic view of the layer structure of the paper honeycomb with inclined holes in an inclined-hole cross type honeycomb filter screen;

FIG. 4 is a schematic view of the external structure of a cross type honeycomb filter screen with inclined holes;

reference numerals: 1. a frame; 11. folding edges; 2. a first mesh fabric; 3. a first adhesive film; 4. inclined hole paper honeycombs; 41. a first layer of twill; 42. a second layer of diagonal; 43. aramid fibrid layer; 44. a leaf fiber layer; 45. a polyester fiber layer; 5. filtering the material; 6. a second adhesive film; 7. and (7) a second mesh fabric.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Example 1

As shown in fig. 1, 2 and 3: an inclined hole crossed honeycomb filter screen comprises a frame 1, a first mesh fabric 2, a first adhesive film 3, an inclined hole paper honeycomb 4, a filter material 5, a second adhesive film 6 and a second mesh fabric 7; the inclined-hole paper honeycomb 4 is arranged in the middle layer of the honeycomb filter screen, the filter material 5 is uniformly distributed on the inclined-hole paper honeycomb 4, the first adhesive film 3 and the second adhesive film 6 are arranged on the upper surface and the lower surface of the inclined-hole paper honeycomb 4, the first mesh cloth 2 and the second mesh cloth 7 are respectively arranged on the outer sides of the first adhesive film 3 and the second adhesive film 6, and the frame 1 is arranged around the whole honeycomb filter screen; the inclined-hole paper honeycomb 4 is formed by bonding or pressing an aramid fibrid layer 43, a leaf fiber layer 44 and a polyester fiber layer 45, and silver zeolite molecular sieve powder is uniformly distributed in a filter material 5; the inclined-hole paper honeycomb 4 is divided into a first layer twill 41 and a second layer twill 42 which are made of the same materials, the first layer twill 41 and the second layer twill 42 are arranged in an alternate stacking mode, the twills on the first layer twill 41 and the second layer twill 42 are symmetrical to each other, and the air inlet is formed by the ripples of the first layer twill 41 and the second layer twill 42.

As shown in fig. 1 and 2: the corrugation between the first layer of twill 41 and the second layer of twill 42 is staggered by 60 degrees multiplied by 30 degrees, and the height of the corrugation is 7 mm. The corrugation between the first layer of twill 41 and the second layer of twill 42 of the inclined hole paper honeycomb 4 is arranged in a staggered mode, because the inlets of the twill of the two layers are in a honeycomb shape, the air quantity entering the inlets is not different from that of a straight hole type paper honeycomb filter screen, and because the corrugation in the inclined hole paper honeycomb 4 is arranged in a staggered mode, the same quantity of air can pass through the filter material 5 in the inclined hole paper honeycomb 4 in multiple layers when entering the inclined hole paper honeycomb 4, and therefore better filtering effect is achieved.

As shown in fig. 1 and 2: the inclined-hole paper honeycomb 4 is formed by connecting water-soluble environment-friendly glue with inclined-hole paper, and the inclined-hole paper is connected with each other through wave height bottoms. Compared with a plastic honeycomb, the paper honeycomb has better adhesion of water-soluble glue, does not contain a surfactant, and has good performances of high water absorption, high water resistance, honeycomb strength improvement, lasting efficiency and the like.

As shown in fig. 1 and 2: the inclined hole paper honeycomb 4 can be cut according to the size of the filter screen, wherein the inclined hole paper honeycomb 4 is parallel to the wave height and is a long edge, and the inclined hole paper honeycomb is perpendicular to the wave height and is a wide edge. In the process of cutting the inclined-hole honeycomb, the side parallel to the wave height is the long side, and the side perpendicular to the wave height is the wide side, so that the design can ensure that the surface formed by the long side and the wide side has a larger area as far as possible for the air inlet surface of the inclined-hole crossed honeycomb filter screen, and therefore the whole filter screen can have larger filtering capacity.

Example 2

As shown in fig. 1 and 2: an inclined hole crossed honeycomb filter screen comprises a frame 1, a first mesh fabric 2, a first adhesive film 3, an inclined hole paper honeycomb 4, a filter material 5, a second adhesive film 6 and a second mesh fabric 7; the inclined-hole paper honeycomb 4 is arranged in the middle layer of the honeycomb filter screen, the filter material 5 is uniformly distributed on the inclined-hole paper honeycomb 4, the first adhesive film 3 and the second adhesive film 6 are arranged on the upper surface and the lower surface of the inclined-hole paper honeycomb 4, the first mesh cloth 2 and the second mesh cloth 7 are respectively arranged on the outer sides of the first adhesive film 3 and the second adhesive film 6, and the frame 1 is arranged around the whole honeycomb filter screen; the inclined-hole paper honeycomb 4 is formed by bonding or pressing an aramid fibrid layer 43, a leaf fiber layer 44 and a polyester fiber layer 45, and silver zeolite molecular sieve powder is uniformly distributed in a filter material 5; the inclined-hole paper honeycomb 4 is divided into a first layer twill 41 and a second layer twill 42 which are made of the same materials, the first layer twill 41 and the second layer twill 42 are arranged in an alternate stacking mode, the twills on the first layer twill 41 and the second layer twill 42 are symmetrical to each other, and the air inlet is formed by the ripples of the first layer twill 41 and the second layer twill 42.

As shown in fig. 1 and 2: the first layer of twill 41 and the second layer of twill 42 in the inclined-hole paper honeycomb 4 are both of upper and lower corrugations, the upper and lower corrugations are identical in shape and are arranged alternately, and the adjacent two layers are fixed in a mode that the tops and the bottoms of the wave heights are connected. The first layer twill 41 and the second layer twill 42 of inclined hole paper honeycomb 4 are arranged from top to bottom in an interval manner, and the ripple on the same layer of twill is arranged from top to bottom in an interval manner, the space in the layer structure is fully utilized to filter air, and the air can penetrate through the inclined hole paper honeycomb 4 for multiple times by matching with the inclined hole design, so that a better purification effect is finally achieved.

As shown in fig. 1 and 2: and the filter screen and the frame 1 are bonded and encapsulated by hot melt adhesive. The hot melt adhesive is used for bonding and packaging, has the advantages of rapid bonding, stable performance, low cost and the like, has no change of chemical characteristics in the heating process, is nontoxic and tasteless, and belongs to an environment-friendly chemical product.

As shown in fig. 1 and 2: activated carbon particles are also adhered to the filter material 5. The activated carbon is used as a conventional material in the filter screen, so that the filter screen has a good particle adsorption effect on polluted air, and the process for adhering the activated carbon to the honeycomb has the advantages of simplicity in operation and good paper adsorbability.

As shown in fig. 1, 2 and 4: frame 1 is for encircleing at first screen cloth 2, first glued membrane 3, inclined hole paper honeycomb 4, filter material 5, second glued membrane 6 and second screen cloth 7 framework all around, and frame 1 and first screen cloth 2 and the upper and lower two openings part of being connected of second screen cloth 7 all are equipped with hem 11, and hem 11 all adopts the hot melt adhesive to be connected with first screen cloth 2 and second screen cloth 7. Frame 1 encircles around whole filter screen, and frame 1 is through hem 11 that the edge adopted to be connected through hot melt adhesive and first screen cloth 2 and second screen cloth 7, guaranteed the overall structure's of filter screen stability.

While the foregoing description shows and describes the preferred embodiments of the present invention, it is to be understood that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive or to exclude other embodiments and may be used in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.

Claims

1. The utility model provides a cross honeycomb filter screen of inclined hole which characterized in that: comprises a frame (1), a first mesh (2), a first adhesive film (3), an inclined-hole paper honeycomb (4), a filter material (5), a second adhesive film (6) and a second mesh (7); the inclined-hole paper honeycomb (4) is arranged in the middle layer of the honeycomb filter screen, filter materials (5) are uniformly distributed on the inclined-hole paper honeycomb (4), the first adhesive film (3) and the second adhesive film (6) are arranged on the upper surface and the lower surface of the inclined-hole paper honeycomb (4), the first screen cloth (2) and the second screen cloth (7) are respectively arranged on the outer sides of the first adhesive film (3) and the second adhesive film (6), and the frame (1) is arranged on the periphery of the whole honeycomb filter screen; the inclined-hole paper honeycomb (4) is formed by bonding or pressing an aramid fiber precipitation fiber layer (43), a leaf fiber layer (44) and a polyester fiber layer (45), and silver zeolite molecular sieve powder is uniformly distributed in a filter material (5); inclined hole paper honeycomb (4) divide into first layer twill (41) and second floor twill (42) that the material is the same, just first layer twill (41) and second floor twill (42) alternate range upon range of, wherein the twill on first layer twill (41) and the second floor twill (42) is symmetrical each other, the wind gap is constituteed into to the ripple of first layer twill (41) and second floor twill (42).

2. The inclined-hole cross type honeycomb filter screen according to claim 1, wherein: the corrugation between the first layer of twill (41) and the second layer of twill (42) is staggered by 60 degrees multiplied by 30 degrees or 45 degrees multiplied by 45 degrees, and the height of the corrugation is within the interval of 5-9 mm.

3. The inclined-hole cross type honeycomb filter screen according to claim 1, wherein: the inclined hole paper honeycomb (4) is connected with inclined hole paper by water-soluble environment-friendly glue, and the inclined hole paper is connected with each other through the wave height bottom.

4. The inclined-hole cross type honeycomb filter screen according to claim 1, wherein: the inclined hole paper honeycomb (4) can be cut according to the size of the filter screen, wherein the edges of the inclined hole paper honeycomb (4) parallel to the wave height are long edges, and the edges vertical to the wave height are wide edges.

5. The inclined-hole cross type honeycomb filter screen according to claim 1, wherein: the first layer of twill (41) and the second layer of twill (42) in the inclined-hole paper honeycomb (4) are both of upper and lower corrugations, the upper and lower corrugations are identical in shape and are arranged alternately, and the adjacent two layers are fixed in a mode that the tops and the bottoms of the adjacent two layers are connected through wave heights.

6. The inclined-hole cross type honeycomb filter screen according to claim 1, wherein: and the filter screen and the frame (1) are bonded and packaged by hot melt adhesive.

7. The inclined-hole cross type honeycomb filter screen according to claim 1, wherein: active carbon particles are also adhered to the filter material (5).

8. The inclined-hole cross type honeycomb filter screen according to claim 1, wherein: frame (1) is for encircleing at first screen cloth (2), first glued membrane (3), inclined hole paper honeycomb (4), filter material (5), second glued membrane (6) and second screen cloth (7) framework all around, two upper and lower openings department of frame (1) and first screen cloth (2) and second screen cloth (7) connection all are equipped with hem (11), hem (11) all adopt the hot melt adhesive to be connected with first screen cloth (2) and second screen cloth (7).