CN105817087A - Composite type air purification filter element with multilayered structure - Google Patents

Composite type air purification filter element with multilayered structure Download PDF

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Publication number
CN105817087A
CN105817087A CN201610310854.9A CN201610310854A CN105817087A CN 105817087 A CN105817087 A CN 105817087A CN 201610310854 A CN201610310854 A CN 201610310854A CN 105817087 A CN105817087 A CN 105817087A
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China
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layer
air
metal
composite
organic
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CN201610310854.9A
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Chinese (zh)
Inventor
刘瑞
李晓波
邓敏
张方兴
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苏州甫电子科技有限公司
苏州甫一电子科技有限公司
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Priority to CN201610310854.9A priority Critical patent/CN105817087A/en
Publication of CN105817087A publication Critical patent/CN105817087A/en

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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION, OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICAL ARTICLES
    • A61L9/00Disinfection, sterilisation or deodorisation of air
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters, i.e. particle separators or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0019Filters, i.e. particle separators or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
    • B01D46/0023Filters, i.e. particle separators or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters, i.e. particle separators or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0027Filters, i.e. particle separators or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters, i.e. particle separators or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0027Filters, i.e. particle separators or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
    • B01D46/0028Filters, i.e. particle separators or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions provided with antibacterial or antifungal means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters, i.e. particle separators or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0027Filters, i.e. particle separators or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
    • B01D46/0036Filters, i.e. particle separators or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions by adsorption or absorption
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters, i.e. particle separators or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/10Particle separators, e.g. dust precipitators, using filter plates, sheets, or pads having plane surfaces, i.e. axial filtering
    • B01D46/12Particle separators, e.g. dust precipitators, using filter plates, sheets, or pads having plane surfaces, i.e. axial filtering in multiple arrangements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86Catalytic processes
    • B01D53/8668Removing organic compounds not provided for in B01D53/8603 - B01D53/8665
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86Catalytic processes
    • B01D53/88Handling or mounting catalysts

Abstract

The invention discloses a composite type air purification filter element with a multilayered structure. The composite type air purification filter element comprises a coarse filter layer used for removing large-particle contaminants in air, a metal/molecular sieve layer used for adsorbing and decomposing corrosive gas in air, an organic adsorption layer used for adsorbing and catalytically decomposing organic harmful gas in air, a particle adsorption layer used for adsorbing small-particle contaminants in air and a sterilizing layer used for removing bacteria, molds and other harmful microorganisms in air. The composite type air purification filter element with the multilayered structure can effectively adsorb and treat various harmful substances, solves the problems that a traditional air purification filter element is single in function, low in efficiency and prone to produce secondary pollution and has the advantages of being high in adsorption efficiency and adsorption speed, large in adsorption capacity, wide in treatment range, environmentally friendly, capable of treating harmful gas and the like, and the market application prospects are wide.

Description

There is the composite air purifying filter element of multiple structure
Technical field
The present invention relates to a kind of composite air purifying filter element, particularly to a kind of composite air purifying filter element with multiple structure, belong to air purification field.
Background technology
In the last few years, along with modern industry high speed development, environmental pollution is increasingly severe, especially the China of rapid economic development.Live in for a long time in the air of muddiness, the nervous system of human body, respiratory system, immune system can be caused the biggest injury, cause the generation of immunity degradation and relevant disease.Meanwhile, along with improving constantly of people's quality of life, living environment is made every effort to comfortable, easy while also require that there is the function of health preserving, health care.
Major pollutants in air include several aspect at present: one is inhalable particles, dust, smog, pollen;Two is various microorganism, antibacterial, fungus and virus etc.;Three is harmful volatilization gas such as ammonia, carbon monoxide, formaldehyde, benzene etc..It is various to the pollutant kind in air that polluter is mainly derived from industry, transportation and life cooking stove and heating boiler, particularly industrial discharge, such as flue dust, sulfur oxide, nitrogen oxide, organic compound, halogenide, carbon compound etc..
Recent years, along with frequently occurring of haze weather, the quality of room air is paid close attention to the most widely.Therefore, the demand of air purifier increases.Existing frequently-used air purifier uses the filter material of the material establishments such as organic fiber and combines the materials such as activated carbon to the subparticle adsorbing in air and some Organic substances etc..CN2541781Y discloses a kind of air purifying net of air conditioner, including outer layer mesh skeleton and covering filter element thereon, wherein filter element is to constitute coated with specially treated multi-pleat type non-woven fabrics on outer layer mesh skeleton, non-woven fabrics is also coated with specially treated active carbon layer, photocatalysis composite granule and anti-virus sterilizing liquid medicine, while absorption harmful substance, the antibacterial in air, virus, mycete etc. can be removed.But there is a saturated adsorbed state in the meeting using granular adsorption material to filter air, and little activated carbon granule can blow to be formed in air pollutant along with air-flow, causes so-called slag-off phenomenon, causes secondary pollution.
In order to improve this situation, CN103768871A discloses non-woven fabrics and NACF combines, be used for the shortcoming in terms of overcoming existing filter element to occur the not enough secondary pollution of slag and secondary pollution, wherein, activated carbon fiber is then threadiness, fiber is covered with micropore for adsorbing harmful gas.Although improving the shortcoming in terms of tradition filter screen secondary pollution to a certain extent, but the sour gas for the sour gas in air such as hydrogen sulfide, sulfur dioxide and chloride ion-containing cannot adsorb, also it is difficult to adsorb to the small particles of pollution thing less than 2.5 microns, and the organic gas such as formaldehyde for absorption also cannot decompose.
Therefore, how to develop a kind of filter element that can effectively purify air and have become as industry problem demanding prompt solution.
Summary of the invention
Present invention is primarily targeted at a kind of composite air purifying filter element with multiple structure of offer, to overcome deficiency of the prior art.
For realizing aforementioned invention purpose, the technical solution used in the present invention includes:
The embodiment of the present invention provides a kind of composite air purifying filter element with multiple structure, it includes coarse filtration layer and is distributed in the metal/molecular sieve layer at coarse filtration layer rear on air direct of travel, organic adsorption layer, granular absorption layer and stenlizing layer, wherein said coarse filtration layer is at least in order to filter pollutant relatively large sized in air, described stenlizing layer is at least in order to remove the harmful microorganism in air, described metal/molecular sieve layer is at least in order to remove the corrosive gas in air and the organic pollution in preliminary absorption air, described organic adsorption layer is at least in order to the organic pollution removed in air of degrading, described granular absorption layer is at least in order to remove the particulate pollutant being relatively small in size in air.
Compared with prior art, the invention have the advantages that the composite air purifying filter element with multiple structure of offer can realize the active adsorption to multiple harmful substances and process, twice absorption is carried out particularly with harmful organic gas such as formaldehyde, reach higher adsorption efficiency, overcome conventional air purifying filter element function singleness, the problem of the aspects such as inefficient and easy generation secondary pollution, there is adsorption efficiency high, adsorption rate is fast, adsorption capacity is big, process range width, advantage that is environmentally friendly and that the aspects such as harmful gas can be processed, there is wide market application foreground.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in describing below is only some embodiments described in the present invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation for composite air purifying filter element a kind of in one embodiment of the invention;
Description of reference numerals: coarse filtration layer 1, metal/molecular sieve layer 2, organic adsorption layer 3, granular absorption layer 4, stenlizing layer 5.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with the accompanying drawings the detailed description of the invention of the present invention is described in detail.The example of these preferred implementations is illustrated in the accompanying drawings.The embodiments of the present invention shown in accompanying drawing and described with reference to the accompanying drawings are merely exemplary, and the present invention is not limited to these embodiments.
Here, also, it should be noted in order to avoid having obscured the present invention because of unnecessary details, illustrate only in the accompanying drawings and according to the closely-related structure of the solution of the present invention and/or process step, and eliminate other details little with relation of the present invention.
The embodiment of the present invention provides a kind of composite air purifying filter element with multiple structure, it includes coarse filtration layer and is distributed in the metal/molecular sieve layer at coarse filtration layer rear on air direct of travel, organic adsorption layer, granular absorption layer and stenlizing layer, wherein said coarse filtration layer is at least in order to filter pollutant relatively large sized in air, described stenlizing layer is at least in order to remove the harmful microorganism in air, described metal/molecular sieve layer is at least in order to remove the corrosive gas in air and the organic pollution in initial absorption air, described organic adsorption layer is at least in order to the organic pollution removed in air of degrading, described granular absorption layer is at least in order to remove the particulate pollutant being relatively small in size in air.
Wherein, utilize described metal/molecular sieve layer and described organic adsorption layer the organic pollution (such as formaldehyde) in air can be carried out twice absorption, reach higher adsorption efficiency.
Further, described coarse filtration layer, metal/molecular sieve layer, organic adsorption layer, granular absorption layer and stenlizing layer set gradually on air direct of travel.
Further, described coarse filtration layer includes the fenestral fabric being made up of eco-friendly polymer.More preferred, the size of mesh opening in described fenestral fabric is 1mm*1mm~10mm*10mm.
More preferred, the thickness of described coarse filtration layer is 0.1mm~5mm.
More preferred, described polymer can include any one or two or more combination in cyclenes copolymer (COC), polycaprolactone (PCL) and polylactic acid (PLA), but is not limited to this.
More preferred, described fenestral fabric includes any one or two or more combination in triangular mesh structure, tetragon network structure, pentagon network structure or hexagonal network structure, but is not limited to this.
Further, described metal/molecular sieve layer comprises the fenestral fabric being mainly made up of metal and/or metal-oxide and molecular screen material.
More preferred, described metal and/or metal-oxide comprise any one or two or more combination in aluminum, titanium, magnesium, ferrum and copper, but are not limited to this.
More preferred, described molecular screen material is selected from can the molecular screen material of the harmful organic contaminants such as formaldehyde adsorption.
Further, described molecular screen material includes one or more combination in any of A type, X-type and Y type, and its shape can be strip or spherical etc. and be not limited to this.
Therefore, described metal/molecular sieve layer in order to adsorb the corrosive gas (particularly sour gas) in air, and can carry out primary absorption with the harmful organic contaminants such as PARA FORMALDEHYDE PRILLS(91,95) (the most gasiform organic pollution).
More preferred, the thickness of described metal/molecular sieve layer is 0.5~5mm.
More preferred, the size of mesh opening in described metal/molecular sieve layer is 1mm*1mm~10mm*10mm.
Further, described organic adsorption layer includes activated carbon fiber cloth, and be distributed can the material of catalytic degradation organic pollution described activated carbon fiber cloth surface and/or inside.
More preferred, the thickness of described organic adsorption layer is 0.1mm~5mm.
More preferred, the specific surface area of described activated carbon fiber cloth is 500~2500m2/g。
Further, described activated carbon fiber cloth is to 1.5~100 times that organic adsorption capacity is activated carbon on same area, and absorbability is 10~400 times of activated carbon.
Further, described the material of catalytic degradation organic pollution nano-particle and/or sulphite can be included.
More preferred, described nano-particle includes any one or two or more combination in metal oxide nano particles and/or nano metal sulphide granule, but is not limited to this.
Such as, described metal oxide nano particles includes any one or two or more combination in nano size Titania particles, nanoscale zinc particles and nanoscale tin particles, but is not limited to this.
Such as, described nano metal sulphide granule includes cadmium sulfide nanoparticles, but is not limited to this.
Such as, described sulphite includes sodium sulfite and/or sodium sulfite, but is not limited to this.
Further, described granular absorption layer comprises by ultra-fine fibre glass filter paper and the non-woven fabric compounded folding structure formed.
More preferred, the thickness of described granular absorption layer is 0.1mm~1mm.
Further, the particle diameter of the particulate pollutant being relatively small in size described in is less than or equal to the particle diameter of PM2.5 particulate matter.
Further, described granular absorption layer is at least for absorbing the charged dust in air.
Further, described stenlizing layer comprises the composite of ultra-fine fibre glass filter paper and carbon fiber filter paper.
More preferred, the thickness of described stenlizing layer is 0.1mm~1mm.
Further, any one or the two or more combination that described composite material surface and/or inside are distributed in nanometer Ag material, nanometer Cu material and nanoscale graphite alkene, but it is not limited to this.
More preferred, described ultra-fine fibre glass filter paper material includes any one or the combination of two kinds in polypropylene, polyethylene terephthalate, but is not limited to this.
Using the filter element that the present invention provides, the air entering air purifier first passes through the pollutant such as coarse filtration layer removal hair, willow catkins flying in the air and coarse granule, it is to avoid the blocking of subsequent adsorbtion layer.It is then passed through metal/molecular sieve layer and carries out absorption and the process of sour gas, remove the harmful gass such as the sulfur dioxide in air, hydrogen sulfide, and carry out the preliminary absorption of harmful organic gas such as formaldehyde.Then pass through by nano size Titania (TiO2), the active carbon fiber fabrics modified of the material such as zinc oxide (ZnO), the formaldehyde in air can be carried out active adsorption, can effectively decompose simultaneously.Again pass by HEPA/ non-woven fabric compounded type high efficiency filter material and carry out the absorption of subparticle, remove harmful PM2.5 and the finely ground particles of smaller particle in air.Eventually pass the glass fiber filter paper stenlizing layer of nanometer Ag, Cu or nanoscale graphite alkene, carry out the process of antibacterial, virus and microorganism in air, it is achieved the purification process in air.
Below in conjunction with drawings and Examples the technical solution of the present invention is further explained explanation.
Embodiment 1
Shown in Figure 1, the present embodiment provides a kind of function composite air purifying filter core with multiple structure, including five-layer structure, is followed successively by coarse filtration layer 1, metal/molecular sieve layer 2, organic adsorption layer 3, granular absorption layer 4 and stenlizing layer 5.
Coarse filtration layer described in the present embodiment 1 uses cyclenes copolymer material, network is formed by injection moulding process, thickness is about 2mm, the advantage with high efficiency, low cost, the most environmentally friendly, and hair, willow catkins flying in the air, bulky grain pollutant are effectively adsorbed, prevent its blocking to subsequent adsorbtion layer.
Metal/molecular sieve layer 2 metal in the present embodiment uses aluminium material, is prepared by the method for compacting, and thickness is about 1mm, for network of quadrilaterals lattice structure, the harmful gass such as the sulfur dioxide in air, hydrogen sulfide and chloride ion-containing is carried out active adsorption.Molecular sieve preferably employs 5A level, and corrosive gas can be absorbed by it, tentatively can adsorb with PARA FORMALDEHYDE PRILLS(91,95) simultaneously.
Organic adsorption layer 3 in the present embodiment uses active carbon fiber fabrics, and its fibre diameter is thin, and the micropore of composition is a lot, and the evolving path that adsorbent arrives absorption position is short, and its specific surface area is very big, can arrive 2500m2/ g, adsorption capacity is 1.5-100 times of activated carbon, and absorbability can reach 400 times of activated carbon, is a kind of material being very suitable for carrying out Adsorption of Organic.
And, by the method for chemosynthesis on active carbon fiber fabrics, by the way of infiltration, carry out TiO on its surface2The modification of nano-particle, can carry out the decomposition of harmful substance while organic harmful gas such as formaldehyde adsorption, benzene, reach thoroughly to remove effect of harmful gas.
Granular absorption layer 4 in the present embodiment can use high filtering material ultra-fine fibre glass to combine the double medium filtration material that the composite of non-woven fabrics is formed through the mode of hot pressing, it not only has environment-friendly materials water repellent of new generation, nonirritant ventilative, pliable and tough, the most combustion-supporting, nontoxic, is prone to the feature of the aspects such as washing, and its granule dust little to charged dust and PM2.5 has superpower absorbability.
Stenlizing layer 5 in the present embodiment uses nanometer Ag incorporating ultrafine glass fiber material (HEPA), sprays antibacterial by the method for spraying and prepare on ultra-fine fibre glass.Described antibacterial uses nano silver particles, owing to particle diameter can penetrate the cell wall of antibacterial or virus at the nano silver particles of below 25nm, it is combined for the base enzyme breathed with antibacterial or virus, makes antibacterial, virus be choked to death, thus effectively indoor air is carried out sterilizing.
The present embodiment is when practice, and the air entering air purifier first passes through the pollutant such as coarse filtration layer removal hair, willow catkins flying in the air and coarse granule, it is to avoid the blocking of succeeding layer.It is then passed through metal/molecular sieve layer and carries out the absorption of sour gas, remove the harmful gass such as the sulfur dioxide in air, hydrogen sulfide, and carry out the primary absorption of the gases such as formaldehyde.Then pass through by nano size Titania (TiO2) or the active carbon fiber fabrics modified of the material such as zinc oxide (ZnO), the formaldehyde in air can be carried out active adsorption, can decompose simultaneously.Again pass by HEPA high efficiency filter material and carry out the absorption of subparticle, remove the particulate matters such as PM2.5 harmful in air.Eventually pass the glass fiber filter paper stenlizing layer of nanometer Ag, Cu or nanoscale graphite alkene, carry out the process of antibacterial, virus and microorganism in air, it is achieved the purification process in air.
To sum up, the composite type purifying device filter element that the embodiment of the present invention uses has obvious absorbability to the subparticle of sour gas, suspended particles and PM2.5 and smaller particle.Wherein, utilize metal grill to carry out absorption and the process of deleterious acidic gas, and carry out primary absorption by molecular sieve PARA FORMALDEHYDE PRILLS(91,95);Utilize active carbon fiber fabrics as the adsorbing material of organic gas, not only solve the problem that when using granular adsorption material, little granule easily spills, and the nano-particle modified on it can many harmful gass decompose, and reaches the effect thoroughly removed;Utilize ultra-fine fibre glass/non-woven fabric composite material can realize more short grained active adsorption, and adsorption efficiency is high, adsorption capacity is big;Efficient absorption material HEPA is added nanometer silver and solves the conventional air purifying filter element problem without bactericidal effect.Compared with conventional air purifying filter element, the filter element that the present invention provides can realize the active adsorption to multiple harmful substances and process, particularly with formaldehyde, there is the highest adsorption efficiency, the problem overcoming the aspects such as conventional air purifying filter element function singleness, inefficient and easy generation secondary pollution, there is adsorption efficiency height, process range width, environmentally friendly and can process the advantage of the aspects such as harmful gas, have wide market application foreground.
Should be appreciated that above-described embodiment is only technology design and the feature of the explanation present invention, its object is to allow person skilled in the art will appreciate that present disclosure and to implement according to this, can not limit the scope of the invention with this.All equivalence changes made according to spirit of the invention or modification, all should contain within protection scope of the present invention.

Claims (10)

1. a composite air purifying filter element with multiple structure, it is characterized in that including coarse filtration layer and on air direct of travel, being distributed in the metal/molecular sieve layer at coarse filtration layer rear, organic adsorption layer, granular absorption layer and stenlizing layer, wherein said coarse filtration layer is at least in order to filter pollutant relatively large sized in air, described stenlizing layer is at least in order to remove the harmful microorganism in air, described metal/molecular sieve layer is at least in order to remove the corrosive gas in air and the organic pollution in preliminary absorption air, described organic adsorption layer is at least in order to the organic pollution removed in air of degrading, described granular absorption layer is at least in order to remove the particulate pollutant being relatively small in size in air.
The composite air purifying filter element with multiple structure the most according to claim 1, it is characterised in that: described coarse filtration layer, metal/molecular sieve layer, organic adsorption layer, granular absorption layer and stenlizing layer set gradually on air direct of travel.
The composite air purifying filter element with multiple structure the most according to claim 1, it is characterized in that: described coarse filtration layer includes that the fenestral fabric being made up of environment amenable polymer, the size of mesh opening in described fenestral fabric are 1mm*1mm~10mm*10mm;And/or, the thickness of described coarse filtration layer is 0.1mm~5mm.
The composite air purifying filter element with multiple structure the most according to claim 1, it is characterized in that: described metal/molecular sieve layer comprises the fenestral fabric being made up of metal and/or metal-oxide and molecular screen material, described metal and/or metal-oxide comprise any one or two or more combination in aluminum, titanium, magnesium, ferrum and copper, and the size of mesh opening in described fenestral fabric is 1mm*1mm~10mm*10mm;And/or, the thickness of described metal/molecular sieve layer is 0.5mm~5mm.
The composite air purifying filter element with multiple structure the most according to claim 4, it is characterised in that: described molecular screen material is selected from adsorbing the molecular screen material of organic pollution in air;And/or, described molecular screen material includes one or more combination in any of A type, X-type and Y type molecular sieve material;And/or, the shape of described molecular screen material includes strip or spherical.
The composite air purifying filter element with multiple structure the most according to claim 1, it is characterized in that: described organic adsorption layer includes activated carbon fiber cloth, and be distributed can the material of catalytic degradation organic pollution described activated carbon fiber cloth surface and/or inside;And/or, the thickness of described organic adsorption layer is 0.1mm~5mm.
The composite air purifying filter element with multiple structure the most according to claim 6, it is characterised in that: described the material of catalytic degradation organic pollution can include nano-particle and/or sulphite;Wherein, described nano-particle includes metal oxide nano particles and/or nano metal sulphide granule, described metal oxide nano particles includes any one or two or more combination in nano size Titania particles, nanoscale zinc particles and nanoscale tin particles, and described nano metal sulphide granule includes cadmium sulfide nanoparticles;Described sulphite includes sodium sulfite and/or sodium sulfite.
The composite air purifying filter element with multiple structure the most according to claim 1, it is characterised in that: described granular absorption layer comprises by ultra-fine fibre glass filter paper and the non-woven fabric compounded folding structure formed;And/or, the thickness of described granular absorption layer is 0.1mm~1mm.
The composite air purifying filter element with multiple structure the most according to claim 1, it is characterised in that the particle diameter of the particulate pollutant being relatively small in size described in: is less than or equal to the particle diameter of PM2.5 particulate matter.
The composite air purifying filter element with multiple structure the most according to claim 1, it is characterized in that: described stenlizing layer comprises the composite of ultra-fine fibre glass filter paper and carbon fiber filter paper, and any one or the two or more combination that described composite material surface and/or inside are distributed in nanometer Ag material, nanometer Cu material and nanoscale graphite alkene;And/or, the thickness of described stenlizing layer is 0.1mm~1mm.
CN201610310854.9A 2016-05-11 2016-05-11 Composite type air purification filter element with multilayered structure CN105817087A (en)

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Cited By (7)

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CN106334373A (en) * 2016-09-29 2017-01-18 芜湖美智空调设备有限公司 Composite air purifying filter paper material and filter element using same
CN106499481A (en) * 2016-10-26 2017-03-15 润摩油品(上海)有限公司 TiO2Graphene sandwich construction and its application in gasoline and diesel engine
CN106890514A (en) * 2017-02-24 2017-06-27 吉林省华纺静电材料科技有限公司 Outdoor air cleaning equipment is combined integrated filter with electrostatic fibrous filter web
CN107158837A (en) * 2017-05-27 2017-09-15 佛山市三水万瑞达环保科技有限公司 A kind of gas purification film
CN107983403A (en) * 2017-12-05 2018-05-04 浙江兴益风机电器有限公司 A kind of preparation method of Ni-based metal composite oxide ceramics air filter
CN110394051A (en) * 2018-11-13 2019-11-01 成都易态科技有限公司 Filtering material, filter assemblies, filter and filter method
CN110624398A (en) * 2018-06-25 2019-12-31 湖州宸唯环保科技有限公司 Air purification composite material

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Application publication date: 20160803