CN209005549U - Air filtration structure and air purifying filter core - Google Patents
Air filtration structure and air purifying filter core Download PDFInfo
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- CN209005549U CN209005549U CN201821680061.7U CN201821680061U CN209005549U CN 209005549 U CN209005549 U CN 209005549U CN 201821680061 U CN201821680061 U CN 201821680061U CN 209005549 U CN209005549 U CN 209005549U
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- air filtration
- filtration structure
- air
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Abstract
The utility model discloses a kind of air filtration structure and air purifying filter cores, wherein, multiple bending angles are formed along the length direction of the air filtration structure including sequentially connected first fiber filter supporting layer, silica adsorption filter layer, particulate matter filter layer, catalytic adsorption layer and the second fiber filter supporting layer, the air filtration structure.Due to the biggish specific surface area of silica and hole configurations, it can make the contaminant gases molecules such as quick air filtration structure, effective formaldehyde adsorption, benzene, and play the suction-operated for assisting the filter layers such as subsequent particulate matter filter layer, catalytic adsorption layer, to realize the high efficiency filter to gaseous pollutant, and, the synergic sorption of silica adsorption filter layer and catalytic adsorption layer may be implemented to greatly improve the service life of air filtering core to the removal of a large amount of gaseous pollutant molecules.
Description
Technical field
The utility model relates to technical field of air purification more particularly to a kind of air filtration structure and including the air mistake
Filter the air purifying filter core of structure.
Background technique
With the raising of people's living standard, a variety of decorating and renovating materials used in fitment process contain formaldehyde, benzene class
Equal volatile organic matters, similarly cause room air pollution, they are increasingly subject to the weight of people to the influence of body health
Depending on.Therefore, it there is an urgent need to effectively remove the air purifying filter core of indoor accelerated test pollutant and gaseous pollutant, realizes
Fast and effective purification to environment.
The filter screen structure of traditional cleaning equipment is mainly lived using discounting particulate matter filter layer and honeycomb filling
Property charcoal particle carry out compound filter cartridge construction, however this filter screen structure is because the active carbon volume of honeycomb filling is larger, with
The engagement capacity of gaseous molecular is limited, so the adsorption capacity of the gaseous pollutants molecule such as PARA FORMALDEHYDE PRILLS(91,95) is also limited, Bu Nengqi
To the effect of the deleterious moleculars gases such as formaldehyde in quick adsorption air.
Utility model content
The main purpose of the utility model is to provide a kind of air filtration structures, it is intended to solve existing filter cartridge construction and be difficult to
The problem of deleterious moleculars gas such as quick adsorption formaldehyde in air.
To achieve the above object, the utility model provides a kind of air filtration structure, wherein including sequentially connected first
Fiber filter supporting layer, silica adsorption filter layer, particulate matter filter layer, catalytic adsorption layer and the support of the second fiber filter
Layer, the air filtration structure form multiple bending angles along the length direction of the air filtration structure.
Preferably, the angle of the bending angle is 25 ° to 40 °.
Preferably, the first fiber filter supporting layer and the second limit filtering supporting layer are respectively non-woven fibrous filter
Layer.
Preferably, the non-woven fibrous filter layer is layer of polyester fiber, polypropene staple layer, glass layer, blending
Any one in fiber cloth under state.
Preferably, the particulate matter filter layer is glass layer or Electrospun nano-fibers layer.
Preferably, the catalytic adsorption layer, which is negative, is loaded with the active carbon layer of catalyst carrier, the catalyst carrier load
There is room temperature except formaldehyde catalyst powder.
Preferably, catalytic adsorption layer is that room temperature removes formaldehyde catalyst layer.
In addition, the utility model also provides a kind of air purifying filter core, wherein including above-mentioned air filtration structure.
Preferably, the shape of the air purifying filter core is the waveform formed by the air filtration structure, plate
Type, cylinder type, semicircular arc, convex.
In the technical solution of the utility model, due to silica adsorption filter layer, since silica is larger
Specific surface area and hole configurations, the contaminant gases molecules such as quick air filtration structure, effective formaldehyde adsorption, benzene can be made,
And the suction-operated for assisting the filter layers such as subsequent particulate matter filter layer, catalytic adsorption layer is played, to realize to gaseous pollutant
High efficiency filter, moreover, the synergic sorption of silica adsorption filter layer and catalytic adsorption layer may be implemented to a large amount of gas
The removal of state contaminant molecule greatly improves the service life of air filtering core, in addition, air filtration structure is with repeatedly curved
The structure of folding can increase the filter layer area in the limited length extent of air filtration structure, improve filter efficiency.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the sectional view of the utility model embodiment air filtration structure；
Fig. 2 is a kind of main view of the air purifying filter core of embodiment of the utility model；
Fig. 3 is a kind of top view of the air purifying filter core of embodiment of the utility model；
Fig. 4 is the partial enlarged view of the air purifying filter core in Fig. 3.
Drawing reference numeral explanation:
The utility model aim is realized, the embodiments will be further described with reference to the accompanying drawings for functional characteristics and advantage.
Specific embodiment
Below in conjunction with the attached drawing in the present embodiment, the technical solution in the present embodiment is clearly and completely described,
Obviously, described embodiment is only a part of the embodiment of the utility model, instead of all the embodiments.Based on this reality
It is obtained by those of ordinary skill in the art without making creative efforts every other with the embodiment in novel
Embodiment is fallen within the protection scope of the utility model.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute is only used for solving in the present embodiment
It releases in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, if this is specific
When posture changes, then directionality instruction also correspondingly changes correspondingly.
In addition, the description for being such as related to " first ", " second " in the present invention is used for description purposes only, and cannot manage
Solution is its relative importance of indication or suggestion or the quantity for implicitly indicating indicated technical characteristic.Define as a result, " the
One ", the feature of " second " can explicitly or implicitly include at least one of the features.It is " more in the description of the present invention,
It is a " it is meant that at least two, such as two, three etc., unless otherwise specifically defined.
It in addition, the technical solution between each embodiment of the utility model can be combined with each other, but must be with ability
Based on domain those of ordinary skill can be realized, it will be understood that when the combination of technical solution appearance is conflicting or cannot achieve
The combination of this technical solution is not present, also not within the protection scope of the requires of the utility model.
It should be appreciated that specific embodiment described herein is only used to explain the utility model, it is not used to limit this
Utility model.
As shown in Figure 1, one aspect according to the present utility model, provides a kind of air filtration structure, wherein air filtration
Structure includes sequentially connected first fiber filter supporting layer 1, silica adsorption filter layer 2, particulate matter filter layer 3, catalysis
Adsorption layer 4 and the second fiber filter supporting layer 5, air filtration structure form multiple along the length direction of the air filtration structure
Bending angle.First fiber filter supporting layer 1 and the second fiber filter supporting layer 5 can not only play the role of filtering, and
Entire air filtration structure can also be supported, it is to be understood that air to be filtered can from the first fiber filter supporting layer 1 into
Enter, passes sequentially through silica adsorption filter layer 2, particulate matter filter layer 3, catalytic adsorption layer 4 and the support of the second fiber filter
Layer 5 flows out.
In the technical solution of the utility model, due to silica adsorption filter layer 2, since silica is larger
Specific surface area and hole configurations, the contaminant gases molecules such as quick air filtration structure, effective formaldehyde adsorption, benzene can be made,
And the suction-operated for assisting the filter layers such as subsequent particulate matter filter layer 3, catalytic adsorption layer 4 is played, to realize to gaseous contamination
The high efficiency filter of object, moreover, silica adsorption filter layer 2 and the synergic sorption of catalytic adsorption layer 4 may be implemented to big
The removal for measuring gaseous pollutant molecule, greatly improves the service life of air filtering core.In addition, air filtration structure is with more
The structure of secondary bending can increase the filter layer area in the limited length extent of air filtration knot, improve filter efficiency.
Specifically, the angle of the bending angle of the structure repeatedly bent can be 25 ° to 40 °, and the utility model is not limited to
This, if it is desired, the angle for suitably adjusting (increase and decrease) bending angle is also possible, such Adjusted Option should also fall into this reality
With novel protection scope.
Specific embodiment according to the present utility model can first pass through the nano silica knot of sol-gal process preparation
Brilliant powder body material；Gained nano silica crystalline powder material is being obtained after granulation, modification, broken, screening step
Adsorbent material as silica adsorption filter layer 2.
Specific embodiment according to the present utility model, the first fiber filter supporting layer 1 and the second limit filtering supporting layer
Respectively non-woven fibrous filter layer.More specifically, non-woven fibrous filter layer is polyester fiber (PET fiber) layer, the short fibre of polypropylene
Tie up any one in the fiber cloth under (PP fiber) layer, glass layer, blending state.
In addition, particulate matter filter layer 3 can be glass layer or Electrospun nano-fibers layer, more specifically, can be with
High efficiency particle air filter (HEPA) filter paper, the glass fibre, Static Spinning of polypropylene (PP) meltblown layer containing the processing of electrostatic electret
Silk nanofiber or high efficiency particle air filter (HEPA) film.
As an implementation, catalytic adsorption layer 4, which can be negative, is loaded with the active carbon layer of catalyst carrier, and catalyst carries
Body load has room temperature except formaldehyde catalyst powder.At this point, catalyst carrier be metal oxide MnOx, CeOx, Co3O4, FeOx,
One of CuxO, NiO, TiO2 or several copolymers, at this point, room temperature except formaldehyde catalyst powder be selected from Pt, Pd, Au,
One or more of Ru, Rh, Ag.
As another embodiment, catalytic adsorption layer 4 can remove formaldehyde catalyst layer for room temperature.At this point, room temperature removes first
Aldehyde catalyst is one of metal oxide MnOx, CeOx, Co3O4, FeOx, CuxO, NiO, TiO2 or several copolymerization
Object.
The main production method of above-mentioned air filtration structure are as follows:
Step 1: being substrate with the first fiber filter supporting layer 1, passing through spreading compounding machine in the first fiber filter supporting layer
Spreading silicon-dioxide powdery material on 1, then fitted together it with particulate matter filter layer 3 by hot pressing or gluing technique, it obtains
To three layers of composite air filter paper of sandwich structure.
Step 2: being substrate with the second fiber filter supporting layer 5, being spread on non-woven fibre supporting layer by spreading compounding machine
Expect catalytic adsorption layer material, then fitted together three layers of composite filter paper in the above-mentioned first step by hot pressing or gluing technique,
Obtain the composite air filter paper (air filtration structure i.e. provided by the utility model) of five-layer structure.
Referring to fig. 2 to Fig. 4, other side according to the present utility model also provides a kind of air purifying filter core, including upper
State air filtration structure.Since this air purifying filter core uses whole technologies of the air filtration structure of above-mentioned all embodiments
Scheme, thus this air purifying filter core at least have brought by the air filtration structure of the technical solution of above-described embodiment own
Beneficial effect, this is no longer going to repeat them.
Specific embodiment according to the present utility model, the shape of air purifying filter core can be to pass through air filtration structure
The waveform of formation (being formed by air filtration structure bending, winding etc.), plate, cylinder type, semicircular arc, convex surface
Cylindrical filter element 6 in shape, such as Fig. 2.
The above is only the preferred embodiments of the utility model, and therefore it does not limit the scope of the patent of the utility model, all
Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in
Other related technical areas are also included in the patent protection scope of the utility model.
Claims (9)
1. a kind of air filtration structure, which is characterized in that inhaled including sequentially connected first fiber filter supporting layer, silica
Attached filter layer, particulate matter filter layer, catalytic adsorption layer and the second fiber filter supporting layer, the air filtration structure is along the sky
The length direction of gas filter structure forms multiple bending angles.
2. air filtration structure according to claim 1, which is characterized in that the angle of the bending angle is 25 ° to 40 °.
3. air filtration structure according to claim 1 or 2, which is characterized in that the first fiber filter supporting layer and
Second limit filtering supporting layer is respectively non-woven fibrous filter layer.
4. air filtration structure according to claim 3, which is characterized in that the non-woven fibrous filter layer is polyester fiber
Any one in fiber cloth under layer, polypropene staple layer, glass layer, blending state.
5. air filtration structure according to claim 1 or 2, which is characterized in that the particulate matter filter layer is glass fibers
Tie up layer or Electrospun nano-fibers layer.
6. air filtration structure according to claim 1 or 2, which is characterized in that the catalytic adsorption layer, which is negative to be loaded with, urges
The active carbon layer of agent carrier, the catalyst carrier load have room temperature except formaldehyde catalyst powder.
7. air filtration structure according to claim 1 or 2, which is characterized in that the catalytic adsorption layer is that room temperature removes first
Aldehyde catalyst layer.
8. a kind of air purifying filter core, which is characterized in that including air mistake as claimed in any of claims 1 to 7
Filter structure.
9. air purifying filter core according to claim 8, which is characterized in that the shape of the air purifying filter core is to pass through
The waveform of the air filtration structure formation, plate, cylinder type, semicircular arc, convex.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821680061.7U CN209005549U (en) | 2018-10-16 | 2018-10-16 | Air filtration structure and air purifying filter core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821680061.7U CN209005549U (en) | 2018-10-16 | 2018-10-16 | Air filtration structure and air purifying filter core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209005549U true CN209005549U (en) | 2019-06-21 |
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ID=66838871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821680061.7U Active CN209005549U (en) | 2018-10-16 | 2018-10-16 | Air filtration structure and air purifying filter core |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110614034A (en) * | 2019-09-26 | 2019-12-27 | 成都易态科技有限公司 | Filter material and filter assembly |
| CN111135648A (en) * | 2020-01-20 | 2020-05-12 | 爱美克空气过滤器（苏州）有限公司 | Filtering device capable of removing gaseous molecular pollutants and ultra-efficient particulate matters |
| CN115950922A (en) * | 2023-01-17 | 2023-04-11 | 湖南元芯传感科技有限责任公司 | Active filter, semiconductor gas sensor and preparation method of active filter |
-
2018
- 2018-10-16 CN CN201821680061.7U patent/CN209005549U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110614034A (en) * | 2019-09-26 | 2019-12-27 | 成都易态科技有限公司 | Filter material and filter assembly |
| CN111135648A (en) * | 2020-01-20 | 2020-05-12 | 爱美克空气过滤器（苏州）有限公司 | Filtering device capable of removing gaseous molecular pollutants and ultra-efficient particulate matters |
| CN115950922A (en) * | 2023-01-17 | 2023-04-11 | 湖南元芯传感科技有限责任公司 | Active filter, semiconductor gas sensor and preparation method of active filter |
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