CN105813710A - Air cleaning filter and air cleaner provided with same - Google Patents

Air cleaning filter and air cleaner provided with same Download PDF

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Publication number
CN105813710A
CN105813710A CN201480067779.7A CN201480067779A CN105813710A CN 105813710 A CN105813710 A CN 105813710A CN 201480067779 A CN201480067779 A CN 201480067779A CN 105813710 A CN105813710 A CN 105813710A
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CN
China
Prior art keywords
air cleaning
cleaning filter
fiber
fiber assembly
air
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Granted
Application number
CN201480067779.7A
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Chinese (zh)
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CN105813710B (en
Inventor
永吉英昭
坂口昇平
横山义明
森次晋介
植田胜裕
大野京郎
大野京一郎
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Hosokawa Micron Corp
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Hosokawa Micron Corp
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Publication of CN105813710A publication Critical patent/CN105813710A/en
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Publication of CN105813710B publication Critical patent/CN105813710B/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/20—Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
    • F24F8/15—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by chemical means
    • F24F8/167—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by chemical means using catalytic reactions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/20—Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
    • B01D39/2068—Other inorganic materials, e.g. ceramics
    • B01D39/2082—Other inorganic materials, e.g. ceramics the material being filamentary or fibrous
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation 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
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • B01D53/88—Handling or mounting catalysts
    • B01D53/885—Devices in general for catalytic purification of waste gases
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
    • F24F8/108—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering using dry filter elements
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS 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
    • A61L2209/00—Aspects relating to disinfection, sterilisation or deodorisation of air
    • A61L2209/10—Apparatus features
    • A61L2209/14—Filtering means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/10—Noble metals or compounds thereof
    • B01D2255/104—Silver
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/20707—Titanium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/2073—Manganese
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/20776—Tungsten
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/20792—Zinc
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/80—Type of catalytic reaction
    • B01D2255/802—Photocatalytic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
    • B01D2257/708—Volatile organic compounds V.O.C.'s

Abstract

Provided is an air cleaning filter wherein: the surfaces of the fibers of a fiber aggregate have been roughened and the surface areas of the fibers per unit volume are large, thereby enabling the area of contact with fine particles in the air to be increased, and said fine particles can be collected without escaping, since fine particles such as PM2.5 particles come into contact with the surfaces of the fibers of the fiber aggregate and adhere easily thereto and the force for adsorbing said fine particles is strong. Furthermore, the air cleaning filter: is capable of reliably holding the collected fine particles; is highly reliably and efficient at collecting substances to be treated such as dust and fine particles, even if thin; has excellent shape stability and workability, corrosion resistance, durability, and quality stability; allows adsorbed substances to be washed away or suctioned with a vacuum cleaner; and is easily maintained and environmentally friendly. The air cleaning filter is provided with: a fiber aggregate formed in a non-woven fabric form with aluminum or aluminum alloy fibers; shape-retaining members having a plurality of holes and covering both flat surfaces of the fiber aggregate; and recesses formed by roughening the surfaces of at least the fibers on the upstream side of the fiber aggregate.

Description

Air cleaning filter and possess the air purifier of air cleaning filter
Technical field
The present invention relates to a kind of air cleaning filter and possess the air purifier of this air cleaning filter, this air cleaning filter is by being disposed in the various equipment with air-cleaning function, can effectively trap the dust in air, air is purified, particularly can be suitably employed in the countermeasure of the PM2.5 microgranule being representative.
Background technology
In recent years, house, office, height airtightization of vehicle etc. is developed, because the reasons such as the natural ventilation number of times extremely minimizing of room air, from plywood, decorative panel, bonding agent, the formaldehyde that the building materials such as coating etc. occur, the VOCs such as toluene (VOC), dust in indoor generation, mycete, indoor dust, acarid, the hair of house pet, the cigarettes of medicated cigarette etc. continue to be trapped in indoor, dust, the various particulate materials such as pollen etc. are attached to human body, on clothes etc., it is brought into indoor outside room, human body is produced harmful effect, sometimes Health cost is caused.For the purpose that these object to be processed matter removes, obtains comfortable living space, for so-called air purifier and have the demand of the various equipment such as the deodorizer of air-cleaning function, air conditioner, humidifier increase (following, by be representative with general air purifier, the various equipment such as the deodorizer with air-cleaning function, air conditioner, humidifier be referred to as air purifier).
Then, the filter for air purifier has been carried out various discussion.
Such as disclosing a kind of air purifier filter unit (in patent documentation 1), this air purifier filter unit is by the preliminary filter (the first filter) with deodorizing function, dust folder filter (the second filter), light catalyst filter (the 3rd filter) and metal phthalocyanine complex and alkalescence slaine support honeycomb fashion or the corrugated type filter (the 4th filter) in activated carbon mixed copy paper constitute.
It addition, (in patent documentation 2) discloses a kind of environmental pollution gas that combines removes material and the environmental pollutants removing filter of high-performance dust removing material composition.
Prior art literature
Patent documentation
Patent documentation 1: Japanese Unexamined Patent Publication 2007-260603 publication
Patent documentation 1: Japanese Unexamined Patent Publication 11-165007 publication
Summary of the invention
Invent problem to be solved
But, in the technology of above-mentioned prior art, there is following such problem.
(1) although the trapping of microgranule in general filter by undertaken by fiber block, carrying out with the collision of fiber, the gravity sedimentation of microgranule produced, the absorption contacting, being produced by electrostatic force with fiber that produced by the Brownian movement of microgranule of being produced by inertia force, but there is also the microgranule in the gap either directly through filter, the microgranule that rebounded by fiber.
Although it addition, the microgranule trapped by fiber is kept by intermolecular attraction, electrostatic force, but existing and pass through filter because of the flowing of air thereafter, flow out to the probability of outside.Particularly HEPA filter can be suitably used as the dust folder filter (the second filter) of patent documentation 1, the high-performance dust of patent documentation 2 removes material, but because filtering material is mainly made by glass fibre, compared with metal etc. difficult electronegative, so, the electrostatic force that the microgranule (PM2.5 etc.) of positively charged in atmosphere is adsorbed is weak, there is the problem of the stability of the trapping of microgranule, reliability shortcoming.
(2) there is the problem that thickness reaches about 20～50mm, device easily maximizes, save space is short of in HEPA filter.
(3) it addition, HEPA filter is because substantially can not wash, so, the occasion occurred in blocking must be changed, and there is the problem of maintainability, environmental protection property shortcoming.
nullThe present invention is contemplated to solve the problem of above-mentioned prior art and make，Its object is to a kind of air cleaning filter is provided and possesses the air purifier of this air cleaning filter，In this air cleaning filter，The surface of the fiber of fiber assembly is roughened，The surface area of the fiber of unit volume is big，Can increase and the contact area of the microgranule in air，Microgranule as PM2.5 easily contacts and is attached on the surface of fiber of fiber assembly，The power that microgranule is adsorbed is strong，So，Microgranule can not be allowed to be trapped with fleeing from，And，Can positively keep the microgranule being captured，Although thin but dust、The efficiency of the object to be processed matter trappings such as microgranule、Certainty is superior，And the stability of shape、Processability is superior，Additionally，Corrosion resistance、Durability、The stability of quality is superior，Adsorbed object to be processed matter can be carried out，Or attracted to remove it by vacuum cleaner，Maintainability、Environmental protection property is superior；By possessing this air cleaning filter, air purifier will not make the object to be processed matter such as the dust trapped, microgranule flow out to outside, the certainty of air cleaning, stability, of superior reliability, and miniaturization is easy, and save space is superior.
For solving the technological means of problem
In order to solve the problem of above-mentioned prior art, the air cleaning filter of the present invention and possess the air purifier of this air cleaning filter there is following composition.
The air cleaning filter that technical scheme 1 is recorded possesses fiber assembly, conformal component and recess；This fiber assembly is nonwoven cloth-like by the processbearing astrocyte of aluminum or aluminium alloy；This conformal component has multiple hole portion, capped two planes being arranged at above-mentioned fiber assembly；This recess is by carrying out roughened formation to the surface of the above-mentioned fiber of the upstream side of at least the above fiber assembly.
Constitute according to this, it is thus achieved that following such effect.
(1) by having the fiber assembly that processbearing astrocyte is nonwoven cloth-like by aluminum or aluminium alloy, compared with glass fibre, paper easily electronegative, the microgranule such as P.M2.5 of positively charged is strongly attracted and is captured in atmosphere, so, microgranule can be trapped and do not allow microgranule flee from, can positively keeping the microgranule being captured, the efficiency of the trapping of microgranule, certainty are superior.
(2) being formed nonwoven cloth-like by fiber assembly, fiber intricately kinks, although thin but microgranule easily tangles, can the really and expeditiously object to be processed such as trap debris, microgranule matter, so, total thickness can be made thinning, easily seeking lightweight, resource-saving, operability are superior.
(3) owing to having conformal component, this conformal component has multiple hole portion, capped two planes being arranged at fiber assembly, so, can preventing the deformation of fiber assembly, breakage, shape stability, operability are superior, and, by conformal component, the thickness of fiber assembly can be adjusted, design property freely superior.
(4) occasion being made of metal at fiber assembly and conformal component, the methods such as available crimping, welding, sintering firmly fix fiber assembly and conformal component, superior durability, it is not necessary to be equipped with the shape retaining members such as framework separately, can simplifying composition, batch is generation superior.
(5) by having the roughened recess formed in surface of the fiber of the upstream side (air inflow side) making at least fiber assembly, the surface area that can make the fiber of fiber assembly increases, so, can increase and the contact area of the microgranule in air, microgranule is liable to stick on the surface of the fiber of fiber assembly, and the efficiency of the trapping of microgranule, certainty are superior.
(6) owing to fiber assembly is nonwoven cloth-like by the processbearing astrocyte of aluminum or aluminium alloy, so, the object to be processed matter being adsorbed on fiber can being carried out, can attract to remove it by vacuum cleaner, maintainability, environmental protection property are superior.
Here, as the fiber of fiber assembly, the fiber of fiber diameter 30～200 μm can compatibly be used.
Along with fiber diameter becomes thinner than 30 μm, the weakened of fiber, the durability of fiber assembly reduces, and fiber assembly is easily damaged when recess is formed at the surface of fiber etc., there is the tendency that qualification rate reduces, along with becoming thicker than 200 μm, although the intensity of fiber becomes strong, but the surface area of voidage, unit volume reduces, air becomes to be difficult to pass through, further, there is the tendency that the adhesion property of microgranule becomes to be easily reduced, all undesirable.
The roughened processing method forming recess on the surface of fiber can be suitable for selecting, and can use bead, plasma discharge etc..Although recess is at least formed on the surface of the fiber of the upstream side (air inflow side) of fiber assembly, but also can be formed at whole of fiber.It addition, conformal component to be covered the two sides being arranged at fiber assembly, when by conformal component maintenance fiber assembly, form the occasion of recess (carrying out roughened process), it is possible on the surface of conformal component, simultaneously form recess.
About the surface roughness of the fiber after roughened process preferably Ra=3～8 μm.Along with the surface roughness of the fiber after roughened process becomes more smooth than Ra=3 μm, roughened effect reduces, and the surface area of fiber becomes easy deficiency, there is the tendency that microgranule becomes to be difficult to adhere to, along with becoming thicker than Ra=8 μm, the concavo-convex increase on the surface of fiber, the place that microgranule can adhere to is reduced, and the remaining stable for property of microgranule becomes to be easily reduced, and, the intensity of fiber reduces, and there is the tendency becoming easily damaged, all undesirable.
As fiber assembly, can compatibly use weight per unit area 300～10000g/m2Fiber assembly.
Along with weight per unit area becomes to compare 300g/m2Few, the quantitative change of the fiber of unit volume is few, the object to be processed matter such as microgranule in air, antibacterial, virus, odorant easily by, there is the tendency that the trapping of object to be processed matter becomes difficult, along with becoming to compare 10000g/m2Many, the quantitative change of the fiber of unit are is many, and blocking becomes to be susceptible to, and there is the tendency of lifetime, all undesirable.
As long as conformal component has multiple hole portion, can keep the conformal component of the shape of fiber assembly, material without particular limitation of, it is possible to be metal, it is also possible to be synthetic resin.In the occasion that conformal component is made of metal, although as long as dictyosome or porous metallic plate, then without particular limitation of, but metal lath, perforated metal, metal gauze etc. can compatibly use.Wherein, metal lath is not because having the crooked of mesh, and bonding part is integrally forming, so, robustness is superior, and the Flowing Hard of air is to be blocked, and the stability of shape is also superior.
It addition, the occasion being made of metal at conformal component, material without particular limitation of, ferrum, copper, silver, gold, aluminum, nickel, rustless steel, tungsten, molybdenum etc. can be used.
The percent opening of conformal component can compatibly use the percent opening of 50～90%.Along with the percent opening of conformal component becomes less than 50%, exposing of fiber assembly diminishes, the quantitative change of the air that the unit interval can pass through fiber assembly is few, there is blocking and become incidental tendency, along with becoming bigger than 90%, the structural strength of conformal component dies down, and there is the breakage etc. caused by external force etc. and becomes incidental tendency, all undesirable.
The mesh aperture area in 1 hole portion of conformal component can compatibly use 0.5～500mm2Mesh aperture area.Along with the mesh aperture area in hole portion becomes to compare 0.5mm2Little, mesh attenuates, and air becomes to be difficult to pass through, and there is the tendency being susceptible to blocking, along with becoming to compare 500mm2Greatly, mesh is thicker, becomes can not microgranule be trapped, and there is the tendency that trapping performance becomes to be easily reduced, all undesirable.
As the thickness of conformal component, can compatibly use the thickness of 0.3～1mm.Along with the thickness of conformal component becomes thinner than 0.3mm, bending strength is not enough, the tendency becoming easily disrumpent feelings is there is during manufacture, along with becoming thicker than 1mm, the ratio of the thickness that fiber assembly is overall relative to air cleaning filter tails off, existence can not obtain the tendency of the separation function of object to be processed matter time air passes through fully, all undesirable.
Voidage as fiber assembly, it is preferred to 50～90%.Along with voidage becomes less than 50%, the quantitative change of the air that can pass through is few, there is blocking and becomes incidental tendency, and along with becoming bigger than 90%, mesh is thicker, becomes to trap microgranule, there is the tendency that trapping performance becomes to be easily reduced, all undesirable.
Thickness as air cleaning filter, it is preferred to 1～4mm.Along with the thickness of air cleaning filter becomes thinner than 1mm, the ratio of fiber assembly tails off, object to be processed qualitative change in air must be easily by, become to trap microgranule, there is the tendency that trapping performance becomes to be easily reduced, along with thickness becomes thicker than 4mm, the amount of fiber assembly increases, the quantitative change of the air that can pass through fiber assembly is few, there is blocking and becomes incidental tendency, all undesirable.By making the thickness of air cleaning filter be as thin as 1～4mm, can carrying out Bending Processing etc., processability is superior, and the degree of freedom of design is high, so, can be corresponding with variform various equipment, light weight, operability, versatility are superior.
The invention that technical scheme 2 is recorded is, in the air cleaning filter that technical scheme 1 is recorded, there is following composition, namely, possessing the sprayed of the outer surface that is formed at above-mentioned fiber assembly and above-mentioned conformal component, this is sprayed comprises the metallic compound with photocatalyst function.
Constitute according to this, except the effect of technical scheme 1, also obtain following such effect.
(1) owing to possessing the sprayed of the outer surface that is formed at fiber assembly and conformal component, this is sprayed comprises the metallic compound with photocatalyst function, so, the bactericidal properties for the virus contacted with the surface of air cleaning filter, antibacterial is superior.
(2) owing to the surface of the fiber of the upstream side of fiber assembly is by roughened and form recess, so, utilizing anchoring effect, depositing materials is easily deep into the surface of fiber, and sprayed compactness, close contact property are superior.
Here, form sprayed depositing materials if at least having the metallic compound of photocatalyst function, then without particular limitation of, metal sulfide semiconductor, strontium titanates, cadmium selenide, potassium tantalate and their mixture such as the metal-oxide semiconductor (MOS)s such as titanium dioxide, zinc oxide, tungsten oxide, Aska-Rid., Indium sesquioxide., silver oxide, manganese oxide, copper oxide, ferrum oxide, stannum oxide, vanadium oxide, niobium oxide, zirconium oxide, cadmium sulfide, zinc sulfide, indium sulfide, vulcanized lead, copper sulfide, molybdenum sulfide, tungsten sulfide, antimony trisulfide, bismuth sulfide can be used.Wherein, titanium dioxide is cheap, and the stability of chemistry is superior, and has high catalyst activity, so, more satisfactory.
In titanium dioxide, although there is sharp titanium (Anatase) type, rutile (Rutile) type etc. according to the difference of crystal structure, but crystal structure without particular limitation of, can only use a side, it is possible to use their mixture.It addition, in the occasion paying attention to photocatalyst function, it is preferred to use the titanium dioxide of anatase titanium dioxide, in the occasion paying attention to cost face, it is preferred to use the titanium dioxide of rutile-type.
Additionally, also by adulterate in the lattice of titanium dioxide sulfur, carbon, nitrogen etc., or make, from being mixed in or support in sprayed as the compound more than metal complex of the ferrum of sensitizer, copper, chromium, nickel etc. or at least one of slaine selection, to make the sprayed of visible-light response type.
In forming sprayed depositing materials, except having the metal compound beyond the region of objective existence of photocatalyst function, it is possible to also support the bactericidal metal with sterilizing function.As bactericidal metal, silver, copper, zinc, nickel, cobalt, aluminum, ferrum, their compound etc. can be used.Bactericidal occasion is improved, it is desirable to comprise 0.1～10 mass % relative to sprayed total amount adding these bactericidal metal.
Along with the quantitative change of the bactericidal metal in sprayed must be fewer than 0.1 mass %, exist and become can't see the tendency of bactericidal raising, along with becoming more than 10 mass %, the amount of the metallic compound with photocatalyst function reduces, the bactericidal properties utilizing photocatalyst function reduces, and, by the treated substance in the air of air cleaning filter in the unit interval can with sprayed in the amount that contacts of the metallic compound with photocatalyst function reduce, existing utilizes the treating capacity that photocatalyst function obtains to become the tendency being easily reduced, all undesirable.
As forming sprayed method, if spraying plating, then without particular limitation of, the methods such as electric spraying plating, cold spray process such as flame coating, high-speed flame spraying plating, gas type spraying plating, arc spraying, plasma spraying, the quick-fried spraying plating of line can be used.Wherein, owing to the depositing materials of high-speed flame spraying plating is plated under semi-molten state, so, depositing materials is difficult to affected by the heat, additionally, owing to the speed of the several times with velocity of sound is jetted, so, depositing materials is easily deep in fiber composite, it is readily available anchoring effect, therefore, high sprayed of densification, close contact degree can be formed, more satisfactory.
As sprayed spraying plating amount, it is desirable to be 5～40g/m2, it is preferred to 10～30g/m2.Along with spraying plating quantitative change must compare 10g/m2Few, air cleaning filter surface sprayed thinning, so, it is easy to there is the sprayed stripping etc. caused by external force, there is the stability of quality, tendency that endurance reduces, along with becoming to compare 5g/m2Few, these tendencies become notable, so, undesirable.It addition, along with becoming to compare 30g/m2Many, sprayed thickening, so, when making air cleaning filter bending etc., it is easy to forming be full of cracks on surface, accompany with this, sprayed stripping etc. becomes to be susceptible to, there is the tendency that the stability of quality reduces, along with becoming to compare 40g/m2Many, these tendencies become notable, so, undesirable.
The invention that technical scheme 3 is recorded is, in the air cleaning filter that technical scheme 1 is recorded, has following composition, i.e. possess the epidermal area of the outer surface being formed on above-mentioned fiber assembly and above-mentioned conformal component.
Constitute according to this, except the effect of technical scheme 1, also can obtain following such effect.
(1) by having the epidermal area of the outer surface being formed on fiber assembly and conformal component, can protecting fiber assembly and conformal component, durability, long-life property are superior.
Here, as the epidermal area of the outer surface being formed at fiber assembly and conformal component, although as long as fiber assembly and the epidermal area of conformal component can be protected, but can compatibly use hard, epidermal area that corrosion resistance, mar proof are superior.
The invention that technical scheme 4 is recorded is, in the air cleaning filter that technical scheme 3 is recorded, has following composition, i.e. possess the sprayed of the outer surface that is formed on above-mentioned epidermal area, and this is sprayed comprises the metallic compound with photocatalyst function.
Constitute according to this, except the effect of technical scheme 3, also can obtain following such effect.
(1) owing to being formed sprayed at the outer surface of the epidermal area of the outer surface being formed at fiber assembly and conformal component, this is sprayed comprises the metallic compound with photocatalyst function, so, by the close contact height of the metallic compound that spraying plating obtains, sprayed strippings etc. are difficult to occur, and the durability of goods, quality stability are superior.
(2) epidermal area is utilized, fiber assembly and conformal component are not directly contacted with sprayed, so, if epidermal area is passive state, then there is not the galvanic corrosion (electrochemical corrosion) of the fiber assembly caused by the moisture being attached to air cleaning filter surface, conformal component, corrosion resistance is superior, and bactericidal properties can be made to improve at bactericidal metal such as sprayed middle combined silver, copper.
(3) surface owing to being formed the fiber of epidermal area is roughened, is formed concavo-convex on the outer surface of epidermal area, so, utilizing anchoring effect, depositing materials is easily deep into the recess of epidermal area, and sprayed compactness, close contact property are superior.
Here, in the occasion by the sprayed outer surface being formed at epidermal area, as epidermal area, if the epidermal area that the close contact of depositing materials improves, corrosion resistance is superior, melting point is high can be made, then without particular limitation of.
It addition, as the epidermal area of fiber assembly and conformal component occasion made of aluminum or that be made up of aluminium alloy, aluminium oxide (Japanese: ア Le マ イ ト), hydrated alumina (Japanese: ベ マ イ ト) etc. can be listed.Wherein, in the occasion of hydrated alumina, owing to can independently form the overall epidermal area without speckle with the shape of air cleaning filter, so, more satisfactory.
The invention that technical scheme 5 is recorded is, in the air cleaning filter that technical scheme 3 or 4 is recorded, has following composition, i.e. above-mentioned conformal component is made of aluminum or is made up of aluminium alloy, and above-mentioned epidermal area is aqua oxidation aluminium lamination.
Constitute according to this, except the effect of technical scheme 3 or 4, also can obtain following such effect.
(1) being that aluminum is made or aluminium alloy is made by conformal component, epidermal area is aqua oxidation aluminium lamination, and hardness height compared with pure aluminum etc., durability, long-life property are superior.
(2) owing to fiber assembly and conformal component are that aluminum is made or aluminium alloy is made, as epidermal area, there is the aqua oxidation aluminium lamination that hardness is higher compared with pure aluminum etc., so, fiber assembly, conformal component and sprayed close contact can be improved through aqua oxidation aluminium lamination, sprayed stripping, be full of cracks etc. are difficult to occur, and the durability of goods, quality stability, shape property freely is superior.
(3) because hydrated alumina is passive state, so, the galvanic corrosion (electrochemical corrosion) of the fiber assembly caused by the moisture being attached to air cleaning filter surface, conformal component will not be there is, at bactericidal metal such as sprayed middle combined silver, copper, bactericidal properties can be made to improve.
Here, when fiber assembly with conformal component is all made of aluminum or when being made up of aluminium alloy, forms the layer (tunicle) of hydrated alumina (hydrous oxide of aluminum) from the teeth outwards, so, more satisfactory.
Hydrated alumina, by being exposed to by aluminum in the hot water (or steam) of more than about 90 DEG C, becomes hot water, the contact surface of steam and aluminum reacts and the passive state that formed.Therefore, by arranging aqua oxidation aluminium lamination on the surface of fiber assembly and conformal component, even if bactericidal metal be mixed into sprayed in occasion, aluminum does not also contact with dissimilar metal, the electric current that the attachment of moisture causes also does not occur, so, the galvanic corrosion (electrochemical corrosion) of corpus fibrosum, conformal component can be prevented.
Thickness as aqua oxidation aluminium lamination, it is preferred to 0.2～2 μm.Along with the thickness of aqua oxidation aluminium lamination becomes thinner than 0.2 μm, become to be difficult to form aqua oxidation aluminium lamination, and, the intensity of epidermal area is difficult to improve, and reduces with sprayed close contact, there is corrosion resistance, durability becomes the tendency that is easily reduced, along with becoming ratio 2 μ m-thick, the formation of aqua oxidation aluminium lamination is time consuming, there is the tendency that productivity ratio becomes to be easily reduced, all undesirable.
The air purifier that technical scheme 6 is recorded has following composition, i.e. possess any 1 air cleaning filter recorded in technical scheme 1 to 5.
Constitute according to this, following such effect can be obtained.
(1) by easy electronegative air cleaning filter, the microgranules such as the P.M2.5 that can strongly attract and trap positively charged in atmosphere, positively keep the object to be processed matter such as the dust, the microgranule that are captured, it will not be made to flow out to outside, the certainty of air cleaning, stability, of superior reliability.
(2) in this air cleaning filter, although microgranule is easily tangled by fiber that is thin but that intricately kink, additionally, the surface area of fiber is big, microgranule easily adheres to, and by possessing this air cleaning filter, the efficiency of the trapping of microgranule, certainty are superior, and miniaturization is easy, and save space is superior.
(3) by possess can by attracting, clean the air cleaning filter that the object to be processed matter such as the microgranule that is captured are removed, maintainability, environmental protection property, air-cleaning function stability superior.
Here, so-called air purifier, is the general designation of the various equipment such as deodorizer that be representative with so-called general air purifier, that have air-cleaning function, air conditioner, humidifier.
In air purifier, can only be used alone air cleaning filter, it is possible to other the combination of filters use with photocatalyst function, sterilization deodorize function.
Additionally, it is loaded on the occasion of air purifier in by ion generator making anion occur etc., anion can be made to contact with the fiber assembly of air cleaning filter, make it positively electronegative, the microgranule of positively charged in atmosphere can be attracted, positively trapping and maintenance, can make the efficiency of the trapping of microgranule, reliability improve.
The effect of invention
According to the invention that technical scheme 1 is recorded, following such effect can be obtained.
(1) a kind of air cleaning filter can be provided, this air cleaning filter is easily electronegative compared with glass fibre, paper, the microgranules such as the P.M2.5 that can strongly attract positively charged in atmosphere, it is not allowed to trap with fleeing from, and, can positively keeping the microgranule being captured, the efficiency of the trapping of microgranule, certainty are superior.
According to the invention that technical scheme 2 is recorded, except the effect that technical scheme 1 is recorded, also can obtain following such effect.
(1) sprayed compactness can be provided, air cleaning filter that close contact property is superior, superior relative to the bactericidal properties of the virus contacted with surface, antibacterial.
According to the invention that technical scheme 3 is recorded, except the effect that technical scheme 1 is recorded, following such effect also can be obtained.
(1) can provide can by epidermal area protects fiber assembly and conformal component, air cleaning filter that durability, long-life property are superior.
According to the invention that technical scheme 4 is recorded, except the effect that technical scheme 3 is recorded, also can obtain following such effect.
(1) stripping etc. that the close contact of the metallic compound obtained by spraying plating can be provided high, sprayed is difficult to the air cleaning filter that durability that occur, goods, quality stability are superior.
According to the invention that technical scheme 5 is recorded, except the effect that technical scheme 3 or 4 is recorded, also can obtain following such effect.
(1) a kind of air cleaning filter can be provided, this air cleaning filter can make fiber assembly, conformal component improve with sprayed close contact through aqua oxidation aluminium lamination, sprayed stripping, be full of cracks etc. are difficult to occur, and the durability of goods, quality stability, shape property freely is superior.
According to the invention that technical scheme 6 is recorded, following such effect can be obtained.
(1) a kind of air cleaning filter can be provided, this air cleaning filter can strongly be attracted and trap the microgranules such as the P.M2.5 of positively charged in atmosphere by easy electronegative air cleaning filter, and, positively keep the object to be processed matter such as the dust, the microgranule that are captured, it is not made to flow out to outside, the certainty of air cleaning, stability, of superior reliability.
Accompanying drawing explanation
Fig. 1 is the resolution model axonometric chart of the air cleaning filter of embodiment 1.
Fig. 2 is pattern axonometric chart and the partial mode enlarged drawing of the air cleaning filter of embodiment 1.
Fig. 3 is the line B-B cross-sectional modes enlarged drawing of Fig. 2.
Fig. 4 is the pattern side view of the fiber of the fiber assembly forming the air cleaning filter in embodiment 1.
Fig. 5 (a) indicates that the pattern sectional view of the A-stage of the fiber of the fiber assembly of the air cleaning filter forming embodiment 1, b () indicates that the pattern sectional view of the state after the roughened treatment process of the fiber of the fiber assembly of the air cleaning filter forming embodiment 1, c () indicates that the pattern sectional view of the state after the epidermal area formation process of the fiber of the fiber assembly of the air cleaning filter forming embodiment 1, d () indicates that the pattern sectional view of the 1st state after the spraying plating operation of the fiber of the fiber assembly of the air cleaning filter forming embodiment 1, e () indicates that the pattern sectional view of the 2nd state after the spraying plating operation of the fiber of the fiber assembly of the air cleaning filter forming embodiment 1.
What Fig. 6 indicated that the composition of the air purifier of the air cleaning filter possessed in embodiment 1 wants portion's pattern side view
Fig. 7 indicates that 2 μm of granules in the air cleaning filter of embodiment 1 remove the curve chart of time and the relation of removal rate.
Detailed description of the invention
Hereinafter, with reference to the accompanying drawings of the air cleaning filter in embodiments of the present invention and the air purifier possessing this air cleaning filter.It addition, the invention is not restricted to embodiments described below.
(embodiment 1)
Fig. 1 is the resolution model axonometric chart of the air cleaning filter of embodiment 1, Fig. 2 is pattern axonometric chart and the partial mode enlarged drawing of the air cleaning filter of embodiment 1, Fig. 3 is the line B-B cross-sectional modes enlarged drawing of Fig. 2, and Fig. 4 is the pattern side view of the fiber of the fiber assembly of the air cleaning filter forming embodiment 1.
In Fig. 1 and Fig. 2, accompanying drawing labelling 1 is the air cleaning filter in embodiments of the present invention 1, accompanying drawing labelling 2 is by the fiber assembly that processbearing astrocyte is nonwoven cloth-like of aluminum or aluminium alloy, accompanying drawing labelling 3 is the conformal components such as the metal lath of the aluminum of gripping fibers aggregation 2 or aluminium alloy, and accompanying drawing labelling 4 is the pressure contact portion carrying out fiber assembly 2 with conformal component 3 crimping.
It addition, in Fig. 3, accompanying drawing labelling 5 is formed at the epidermal area on the surface of fiber assembly 2 and conformal component 3, accompanying drawing labelling 6 be formed at the surface of epidermal area 5 be made up of the metallic compound etc. with photocatalyst function sprayed.
In Fig. 4, accompanying drawing labelling 7 is the fiber forming fiber assembly 2, and accompanying drawing labelling 8 is the recess formed by the roughened process such as shot-peening, plasma discharge on the surface of fiber 7.
The fiber diameter of the fiber 7 forming fiber assembly 2 is set as 30～200 μm.This is because it is already known, along with fiber diameter becomes thinner than 30 μm, the weakened of fiber 7, the durability of fiber assembly 2 reduces, and fiber assembly 2 is easily damaged when recess 8 is formed at the surface of fiber 7 etc., there is the tendency that qualification rate reduces, along with becoming thicker than 200 μm, the intensity of fiber 7 becomes strong, but the surface area of voidage, unit volume reduces, air becomes to be difficult to pass through, and there is the tendency that the adhesion property of microgranule becomes to be easily reduced.
The weight per unit area of fiber assembly 2 is set as 300～10000g/m2.This is because it is known that along with weight per unit area becomes to compare 300g/m2Few, the quantitative change of the fiber of unit volume is few, the object to be processed matter such as microgranule in air, antibacterial, virus, odorant easily by, the separation (trapping) that there is object to be processed matter becomes the tendency of difficulty, along with becoming to compare 10000g/m2Many, the quantitative change of the fiber 7 of unit are is many, and blocking becomes to be susceptible to, and there is the tendency of lifetime.
As the material of conformal component 3, except aluminum, aluminium alloy, it be also possible to use metal, the synthetic resin such as ferrum, copper, silver, gold, nickel, rustless steel, tungsten, molybdenum.
The aperture opening ratio of conformal component 3 is set as 50～90%.This is because it is already known, along with the percent opening of conformal component 3 becomes less than 50%, exposing of fiber assembly 2 diminishes, the quantitative change of the air that the unit interval can pass through fiber assembly 2 is few, there is blocking and become incidental tendency, along with becoming bigger than 90%, the structural strength of conformal component 3 dies down, and there is the breakage etc. caused by external force etc. and becomes incidental tendency.
The mesh aperture area in 1 hole portion of conformal component 3 is set as 0.5～500mm2.This is because it is known that along with the mesh aperture area in hole portion becomes to compare 0.5mm2Little, mesh attenuates, and air becomes to be difficult to pass through, and there is blocking and becomes incidental tendency, along with becoming to compare 500mm2Greatly, mesh is thicker, becomes to trap microgranule, there is the tendency that trapping performance becomes to be easily reduced.Additionally, in the present embodiment, as shown in Figure 1, although with the mesh opening of the conformal component in the table back side 3 of air cleaning filter 1 towards become unidirectional mode the two sides of fiber assembly 2 cover conformal component 3 is set, but the conformal component 3 that also can make any one party carries out 90 degree of rotations, be configured to the conformal component in the table back side 3 mesh opening towards orthogonal, make intensity improve.
The thickness of conformal component 3 is set as 0.3～1mm.This is because it is already known, along with the thickness of conformal component 3 becomes thinner than 0.3mm, bending strength is not enough, there is the tendency becoming easily disrumpent feelings when manufacturing, along with becoming thicker than 1mm, fiber assembly 2 tails off relative to the ratio of the thickness of air cleaning filter 1 entirety, there is the tendency becoming can not to obtain the separation function of object to be processed matter time air passes through fully.
As the metallic compound forming sprayed 6, although as long as having photocatalyst function, then without particular limitation of, but titanium dioxide is less expensive in photocatalyst agent, relative to human body toxicity also without, so, more satisfactory.
It addition, sprayed 6, except this burning beyond the region of objective existence, it is possible to also support the silver of bactericidal metal, copper, zinc, aluminum, nickel, cobalt, ferrum etc..
It addition, supporting the occasion of bactericidal metal, it is desirable to the total amount relative to sprayed 6 supports 0.1～10 mass %.This is because it is already known, along with the quantitative change of the bactericidal metal in sprayed 6 must be fewer than 0.1 mass %, exist and become can't see the tendency of bactericidal raising, along with becoming more than 10 mass %, the amount of the metallic compound with photocatalyst function reduces, the bactericidal properties utilizing photocatalyst function reduces, and, the amount that can be contacted with the metallic compound with photocatalyst function in sprayed 6 by the object to be processed matter unit interval in the air of air cleaning filter 1 is reduced, and there is the tendency that the treating capacity obtained by photocatalyst function becomes to be easily reduced.
Recess 8 is formed as the surface roughness of fiber 7 to be become about Ra=3～8 μm.This is because it is already known, along with the surface roughness of the fiber 7 after roughened process becomes more smooth than Ra=3 μm, roughened effect reduces, and the surface area of fiber 7 becomes easy deficiency, there is the tendency that microgranule becomes to be difficult to adhere to, along with becoming thicker than Ra=8 μm, the concavo-convex increase on the surface of fiber 7, the place that microgranule can adhere to is reduced, the remaining stable for property of microgranule becomes to be easily reduced, further, the intensity of fiber 7 reduces, and there is the tendency becoming easily damaged.
Additionally, although recess 8 is at least formed on the surface of the fiber 7 of the upstream side of fiber assembly 2, but also formed by the surface of the fiber 7 in the downstream of fiber assembly 2, the two sides making fiber assembly 2 is roughened, can take notice of air cleaning filter 1 the table back side use, operability is superior.Additionally, for covering on the two sides of fiber assembly 2, conformal component 3 is set, the occasion of recess 8 (carrying out roughened process) is formed, it is possible to simultaneously on the surface of conformal component 3, also form recess 8 when being kept fiber assembly 2 by conformal component 3.
The manufacture method of air cleaning filter in the above embodiments of the present invention 1 constituted is described.
Fig. 5 (a) indicates that the pattern sectional view of the A-stage of the fiber of the fiber assembly of the air cleaning filter forming embodiment 1, Fig. 5 (b) indicates that the pattern sectional view of the state after the roughened treatment process of the fiber of the fiber assembly of the air cleaning filter forming embodiment 1, Fig. 5 (c) indicates that the pattern sectional view of the state after the epidermal area formation process of the fiber of the fiber assembly of the air cleaning filter forming embodiment 1, Fig. 5 (d) indicates that the pattern sectional view of the 1st state after the spraying plating operation of the fiber of the fiber assembly of the air cleaning filter forming embodiment 1, Fig. 5 (e) indicates that the pattern sectional view of the 2nd state after the spraying plating operation of the fiber of the fiber assembly of the air cleaning filter forming embodiment 1.
First, as the conformal operation of fiber assembly, the fiber assembly 2 obtained by fiber carries out set compression etc. is sandwiched by the conformal component 3 such as metal lath, perforated metal as shown in Figure 1, it is compressed into the thickness of 1～4mm, as shown in Figure 2 the significant points of fiber assembly 2 and conformal component 3 is carried out spot welding, form pressure contact portion 4, the shape of fiber assembly 2 and conformal component 3 is kept, improve the close contact of fiber assembly 2 and conformal component 3.Now, fiber assembly 2 and conformal component 3 state exposed of rule of surface ground at air cleaning filter 1 is become.(with reference to A in Fig. 2)
It follows that relative to air cleaning filter 1, carry out using the roughened treatment process of shot-peening, plasma discharge etc..Although the fiber 7 of A-stage is shaped generally as cylindric as shown in Fig. 5 (a), but by carrying out roughened process, can as shown in Fig. 5 (b) on the surface of the fiber 7 of the upstream side of fiber assembly 2, at least form multiple recess 8.In the occasion that the surface being made fiber 7 by shot-peening is roughened, can compatibly use alumina abrasive as shot-peening material.Although it addition, the granularity of the shot-peening material fiber diameter according to fiber 7, the surface roughness as target etc. and different, it is preferred that about 150～180 μm.It addition, the time that processes of the expulsion pressure of shot-peening material, shot-peening can be suitable for selecting by the area etc. with the fiber diameter of fiber 7, as the surface roughness of target, fiber assembly accordingly.
Next, with pure water clean in roughened treatment process the surface of fiber assembly 2 by roughened air cleaning filter 1, as epidermal area formation process (hydrated alumina treatment process), by making dipping more than 30 minutes in this air cleaning filter 1 hot water more than 90 DEG C, steam with more than 90 DEG C contacts more than 30 minutes, generates the epidermal area 5 (aqua oxidation aluminium lamination) of 0.2～2 μm as shown in Fig. 5 (c).After epidermal area 5 generates, by a few hours dry in the drying oven of about 100～200 DEG C, epidermal area 5 stabilisation can be made.
Next, as spraying plating operation, by being had the metallic compound of photocatalyst function in this air cleaning filter 1 spraying plating by methods such as high-speed flame spraying platings, form sprayed 6 on the surface of fiber assembly 2 and conformal component 3, manufacture the air cleaning filter 1 of embodiments of the present invention 1.Sprayed 6 can as shown in Fig. 5 (d) be only formed at the surface of upstream side of fiber 7, it is possible to as shown in Fig. 5 (e), be formed at whole of fiber 7.
Air cleaning filter 1 uses after can cutting into the size of regulation when in use, or uses after making it deform.
It addition, epidermal area formation process (hydrated alumina treatment process) and spraying plating operation also can omit either or both.
It follows that the air purifier possessing the air cleaning filter in the above embodiment 1 constituted is described.
What Fig. 6 indicated that the composition of the air purifier of the air cleaning filter possessed in embodiment 1 wants portion's pattern side view.
In Fig. 6, accompanying drawing labelling 10 is the air purifier possessing the air cleaning filter 1 in embodiment 1, accompanying drawing labelling 11 is the light catalyst filter in the downstream being disposed in air cleaning filter 1, and accompanying drawing labelling 12 is to be disposed in the downstream of light catalyst filter 11, draw air into the fan of the inside of air purifier 10.
In figure 6, when operate air purifier 10 time, fan 12 rotates, and the object to be processed matter such as involved aerial dust, microgranule is drawn into the inside of air purifier 10 together with indoor air.
Now, by arranging air cleaning filter 1 in the side, most upstream of air purifier 10 (air inflow side), object to be processed matter is trapped by air cleaning filter 1 and keeps.Passed through air light catalyst filter 11 deodorize by downstream of air cleaning filter 1, degerming, the air purified is discharged by the blow-off outlet from air purifier 10.
It addition, the composition of air purifier 10 is not limited to present embodiment, it is possible to omit light catalyst filter 11, or further combination has the 1 of different function and uses to multiple filters.Additionally, it is possible to built-in for making the electronegative ion generator of air cleaning filter 1 etc..
In the present embodiment, although air purifier 10 is illustrated, but air cleaning filter 1 can as have the various equipment such as the deodorizer of air-cleaning function, air conditioner, humidifier filter use.
Air cleaning filter in the above embodiment 1 constituted has following effect.
(1) by having the fiber assembly that processbearing astrocyte is nonwoven cloth-like by aluminum or aluminium alloy, compared with glass fibre, paper easily electronegative, the microgranule such as P.M2.5 of positively charged is strongly attracted and is captured in atmosphere, so, microgranule can not be allowed to trap with fleeing from, further, can positively keeping the microgranule being captured, the efficiency of the trapping of microgranule, certainty are superior.
(2) being formed nonwoven cloth-like by fiber assembly, fiber intricately kinks, though thin, microgranule is also easily tangled, can the really and expeditiously object to be processed such as trap debris, microgranule matter, so, total thickness can be made thinning, it is easy to seeking lightweight, resource-saving, operability are superior.
(3) due to the conformal component that there are capped two planes being arranged on fiber assembly, there is multiple hole portion, so, the deformation of fiber assembly, breakage can be prevented, shape stability, operability are superior, and by conformal component, the thickness of fiber assembly can be adjusted, design property freely superior.
(4) occasion being made of metal at fiber assembly and conformal component, the methods such as available crimping, welding, sintering firmly fix fiber assembly and conformal component, superior durability, it is not necessary to be equipped with the shape retaining members such as framework separately, can simplifying constituting, batch is generation superior.
(5) by having the roughened recess formed in surface of the fiber of the upstream side (air inflow side) making at least fiber assembly, the surface area that can make the fiber of fiber assembly increases, so, can increase and the contact area of the microgranule in air, microgranule is easily attached to the surface of the fiber of fiber assembly, and the efficiency of the trapping of microgranule, certainty are superior.
(6) owing to fiber assembly is nonwoven cloth-like by the processbearing astrocyte of aluminum or aluminium alloy, so, the object to be processed matter being adsorbed in fiber can being carried out, or attracted to remove it by vacuum cleaner, maintainability, environmental protection property are superior.
(7) due to possess that be formed at the outer surface of fiber assembly and conformal component, comprise the metallic compound with photocatalyst function sprayed, so, the bactericidal properties for the virus contacted with the surface of air cleaning filter, antibacterial is superior.
(8) by having the epidermal area of the outer surface being formed at fiber assembly and conformal component, can protecting fiber assembly and conformal component, durability, long-life property are superior.
(9) owing to being formed sprayed at the outer surface of the epidermal area of the outer surface being formed at fiber assembly and conformal component, this is sprayed comprises the metallic compound with photocatalyst function, so, by the close contact height of the metallic compound that spraying plating obtains, sprayed strippings etc. are difficult to occur, and the durability of goods, quality stability are superior.
(10) surface owing to being formed the fiber of epidermal area is roughened, and the outer surface at epidermal area is formed concavo-convex, so, utilizing anchoring effect, depositing materials is easily deep into the recess of epidermal area, and sprayed compactness, close contact property are superior.
(11) made of aluminum by conformal component or be made up of aluminium alloy, epidermal area is aqua oxidation aluminium lamination, and hardness is higher compared with pure aluminum etc., and durability, long-life property are superior.
(12) owing to fiber assembly and conformal component are made of aluminum or be made up of aluminium alloy, as epidermal area, there is the aqua oxidation aluminium lamination that hardness is higher compared with pure aluminum etc., so, fiber assembly, conformal component and sprayed close contact can be improved through aqua oxidation aluminium lamination, sprayed stripping, be full of cracks etc. are difficult to occur, and the durability of goods, quality stability, shape property freely is superior.
(13) because hydrated alumina is passive state, so, the galvanic corrosion (electrochemical corrosion) of the fiber assembly caused by the moisture being attached to air cleaning filter surface, conformal component will not be there is, at bactericidal metal such as sprayed middle combined silver, copper, bactericidal properties can be made to improve.
The air purifier possessing the air cleaning filter in the above embodiment 1 constituted has following effect.
(1) by easy electronegative air cleaning filter, the microgranules such as the P.M2.5 that can strongly attract and trap positively charged in atmosphere, and, the object to be processed matter such as the dust that trapped, microgranule are positively kept, will not flow out outside, the certainty of air cleaning, stability, of superior reliability.
(2) by possessing this air cleaning filter, in this air cleaning filter, although microgranule is easily tangled by fiber that is thin but that intricately kink, it addition, the surface area of fiber is big, microgranule easily adheres to, so, the efficiency of the trapping of microgranule, certainty are superior, and, miniaturization is easy, and save space is superior.
(3) by possessing available attraction, cleaning the air cleaning filter object to be processed matter such as the microgranule trapped removed, maintainability, environmental protection property, air-cleaning function stability superior.
Embodiment
Below, the present invention is further illustrated according to embodiment.It addition, the invention is not restricted to these embodiments.
(embodiment 1)
At the processbearing astrocyte voidage 65% of the aluminum by fiber diameter 100 μm, weight per unit area 850g/m2The two sides of fiber assembly of nonwoven cloth-like, cover the mesh aperture area 16mm being set using thickness 0.8mm, 65%, 1 hole portion of percent opening2The conformal component of metal lath of aluminum, be compressed, so that total thickness becomes 2mm, significant points being carried out spot welding.
Thereafter, shot-peening roughened process is carried out, in order to the surface roughness of the fiber of the upstream side of fiber assembly becomes about Ra=3～8 μm.
Such as the air cleaning filter of the above embodiment 1 obtained is installed on air purifier, operates with nominal air delivery, measure removing time and the removal rate of 2 μm of granules.
Fig. 7 indicates that 2 μm of granules in the air cleaning filter of embodiment 1 remove the curve chart of time and the relation of removal rate.
From Fig. 7 it is known that air cleaning filter according to embodiment 1, relative to the microgranule of particle diameter 2 μm, 99.5% can be trapped from operation start by 30 minutes, substantially 100% can be trapped by 1 hour 30 minutes.
According to this result it can be said that the air cleaning filter of embodiment 1 has high trapping ability relative to microgranule, can be suitably employed in the microgranule countermeasure being representative such as the PM2.5 in each family etc..
Industry utilizes probability
nullThe present invention can provide a kind of air cleaning filter and possess the air purifier of this air cleaning filter，In this air cleaning filter，The surface of the fiber of fiber assembly is roughened，The surface area of the fiber of unit volume is big，Can increase and the contact area of the microgranule in air，Because as PM2.5, microgranule easily contacts and adheres on the surface of the fiber of fiber assembly，The power of microgranule absorption is strong，So，Microgranule can not be made to be trapped with fleeing from，And，Can positively keep the microgranule being captured，Although thin but dust、The efficiency of the object to be processed matter trappings such as microgranule、Certainty is superior，And the stability of shape、Processability is superior，Additionally，Corrosion resistance、Durability、The stability of quality is also superior，The object to be processed matter of absorption can be carried out，Or attracted to remove it by vacuum cleaner，Maintainability、Environmental protection property is superior；In this air purifier, by possessing this air cleaning filter, the object to be processed matter such as the dust that trapped, microgranule will not flow out outside, the certainty of air cleaning, stability, of superior reliability, and miniaturization is easy, save space is superior, the P.M2.5 countermeasure etc. in each family etc. can be made big contribution.
Description of reference numerals:
1 air cleaning filter
2 fiber assemblies
3 conformal portions
4 pressure contact portions
5 epidermal areas
6 is sprayed
7 fibers
8 recesses
10 air purifiers
11 light catalyst filters
12 fans

Claims (6)

1. an air cleaning filter, it is characterised in that: possess fiber assembly, conformal component and recess；This fiber assembly is nonwoven cloth-like by the processbearing astrocyte of aluminum or aluminium alloy；This conformal component has multiple hole portion, capped two planes being arranged on above-mentioned fiber assembly；This recess is by carrying out roughened formation to the surface of the above-mentioned fiber of the upstream side of at least the above fiber assembly.
2. air cleaning filter according to claim 1, it is characterised in that possess the sprayed of the outer surface that is formed at above-mentioned fiber assembly and above-mentioned conformal component, this is sprayed comprises the metallic compound with photocatalyst function.
3. air cleaning filter according to claim 1, it is characterised in that possess the epidermal area of the outer surface being formed on above-mentioned fiber assembly and above-mentioned conformal component.
4. air cleaning filter according to claim 3, it is characterised in that possess the sprayed of the outer surface that is formed on above-mentioned epidermal area, this is sprayed comprises the metallic compound with photocatalyst function.
5. the air cleaning filter according to claim 3 or 4, it is characterised in that above-mentioned conformal component is made of aluminum or is made up of aluminium alloy, above-mentioned epidermal area is aqua oxidation aluminium lamination.
6. an air purifier, it is characterised in that possess the air cleaning filter according to any one of claim 1 to 5.
CN201480067779.7A 2013-12-13 2014-12-12 Air cleaning filter and the air purifier for possessing air cleaning filter Active CN105813710B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110756200A (en) * 2019-04-19 2020-02-07 天津日中环保科技股份有限公司 Nano oxygen catalyst air purifying agent and preparation method thereof

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017190391A1 (en) * 2016-05-04 2017-11-09 朱红英 Air purifier
KR101885645B1 (en) 2016-12-26 2018-09-06 유장호 Air cleaning filter that can be used continuously and air cleaner provided with same
KR20180099005A (en) 2017-02-28 2018-09-05 유장호 Air cleaning filter and air cleaner provided with same
KR20180099004A (en) 2017-02-28 2018-09-05 유장호 Air cleaning filter and air cleaner provided with same
KR102095479B1 (en) 2017-04-21 2020-04-01 유장호 Air cleaning filter and air cleaner provided with same
KR20210009591A (en) 2019-07-17 2021-01-27 (주)엠코 Filters for air cleaners
CN113209991A (en) * 2021-05-20 2021-08-06 山西恒投环保节能科技有限公司 Ammonia low-temperature selective catalytic oxidation catalyst composition and preparation method and application thereof
WO2023166841A1 (en) * 2022-03-04 2023-09-07 シャープ株式会社 Filter material, air filter, air conditioner, water filter, and water cleaner

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1089548A (en) * 1992-12-18 1994-07-20 贝克特股份有限公司 The porous layer casting die that contains the sintering of metallic fiber
JP2000042320A (en) * 1998-07-27 2000-02-15 Suzuki Sogyo Co Ltd Functional filter
CN1515346A (en) * 2002-12-18 2004-07-28 GKD-�����������˼�ɷݹ�˾ Filtering material, filtering body and method for mfg. filtering material
JP2006272038A (en) * 2005-03-28 2006-10-12 Shimura Shoji Kk Filter medium and its manufacturing method
CN101687288A (en) * 2007-04-25 2010-03-31 N.V.贝卡特股份有限公司 A method to provide coil shaved metal fibers
CN102803670A (en) * 2009-06-25 2012-11-28 贝卡尔特公司 Multicartridge diesel soot particulate filter

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05293318A (en) * 1992-04-17 1993-11-09 Souriyuu Kk Filter material for kitchen
JP3770998B2 (en) * 1997-03-31 2006-04-26 新東工業株式会社 Gas processing equipment
JPH11165007A (en) 1997-12-04 1999-06-22 Hitachi Chem Co Ltd Environmental pollutant removing filter and air purifier
JP2007260603A (en) 2006-03-29 2007-10-11 Suminoe Textile Co Ltd Filter unit for air cleaner
JP5996973B2 (en) * 2012-08-31 2016-09-21 株式会社フジコー Metal fiber composite and method for producing the same

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1089548A (en) * 1992-12-18 1994-07-20 贝克特股份有限公司 The porous layer casting die that contains the sintering of metallic fiber
JP2000042320A (en) * 1998-07-27 2000-02-15 Suzuki Sogyo Co Ltd Functional filter
CN1515346A (en) * 2002-12-18 2004-07-28 GKD-�����������˼�ɷݹ�˾ Filtering material, filtering body and method for mfg. filtering material
JP2006272038A (en) * 2005-03-28 2006-10-12 Shimura Shoji Kk Filter medium and its manufacturing method
CN101687288A (en) * 2007-04-25 2010-03-31 N.V.贝卡特股份有限公司 A method to provide coil shaved metal fibers
CN102803670A (en) * 2009-06-25 2012-11-28 贝卡尔特公司 Multicartridge diesel soot particulate filter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110756200A (en) * 2019-04-19 2020-02-07 天津日中环保科技股份有限公司 Nano oxygen catalyst air purifying agent and preparation method thereof

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