CN101804275A - Nano photocatalyst-active carbon fiber composite filter medium - Google Patents
Nano photocatalyst-active carbon fiber composite filter medium Download PDFInfo
- Publication number
- CN101804275A CN101804275A CN 201010155172 CN201010155172A CN101804275A CN 101804275 A CN101804275 A CN 101804275A CN 201010155172 CN201010155172 CN 201010155172 CN 201010155172 A CN201010155172 A CN 201010155172A CN 101804275 A CN101804275 A CN 101804275A
- Authority
- CN
- China
- Prior art keywords
- nano
- catalytic
- active carbon
- carbon fiber
- filter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Abstract
The invention belongs to the technical field of air filter materials, and particularly relates to a nano photocatalyst-active carbon fiber composite filter medium. The nano photocatalyst-active carbon fiber composite filter medium is characterized in that the filter medium consists of a nano photocatalyst-active carbon fiber non-woven fabric and a filter base material, wherein the nano photocatalyst-active carbon fiber non-woven fabric comprises the following components in percentage by weight: 0.5 to 1.0 percent of nano photocatalyst, 1.0 to 4.0 percent of nano active carbon and 95 to 98.5 percent of carrier resin. The filter medium enables organic molecular aerosol which cannot be trapped by a conventional efficient filter layer to be quickly adsorbed by active carbon grains of nano carbon fiber, has the properties of tolerating water washing and holding carbon grains, and can be combined and used with various efficient filter media calendared by other materials. In addition, the filter can be placed in the sun or under an ultraviolet lamp to perform illumination and regeneration after adsorbed saturation, and the service life of the whole filter can be greatly prolonged.
Description
Technical field
The invention belongs to the air filting material technical field, be specifically related to a kind of nano photo-catalytic-activated carbon fiber composite filter media, be mainly used in the household electrical appliance filter element, be a kind ofly have high dust catching rate, gel powder with high adsorptive, antibiotic, deodorizing, water-fastly wash, the functional air filtering material of characteristic such as long-life.
Background technology
Along with the fast development of industry, traffic convenient fast and the going from bad to worse of environment, the use of various chemistry and biological products is more and more, be released in airborne pollutant and micro organism quantity or concentration and worsen day by day, various novel bacterials, disease is increasing and harmfulness is huge.In daily life, as room, kitchen, lavatory and public place etc., because the frequent life activity of people all can inevitably bring certain pollution to surrounding environment.According to the related data investigation, its airborne pollutant mainly contains H
2S, SO
2, CO, NH
3, the finishing these gases such as volatile solvent, oil smoke and sweat acid smell mostly exist with the molecule of gas phase.In addition, the stink that people's sense of smell can be differentiated mainly is the little molecular organic compound that contains ammonia nitrogen and sulfydryl sulfide (as hydrogen sulfide, mercaptan, thioether, isovaleric acid, amido and amino), and this class gas molecule diameter is all less than 0.3um usually.
Most of indoor air-purifier is a main purpose to remove visual particle mainly on the present stage market, and its screen pack mostly adopts HEPA level filter paper (99.97%@0.3um aerosol), and this class filter mainly is that the particle more than the 0.3um is carried out isolated by filtration.But effectively do not remove for the harmful aerosol less than 0.3um, the secondary pollution that causes also influences our living environment once more.Therefore people press for various can long-term role, effectively remove indoor poisonous, pernicious gas, and do not produce the absorption high efficiency filter material of secondary pollution.
Although it is a variety of that the harmful aerocolloidal method of removal has, experience shows, adopts active carbon adsorption the most effective and rapid.Active carbon is made of crystallite charcoal and unformed charcoal as a kind of important carbon materials, contains the ash content that quantity does not wait, it is a kind of black porosu solid, the prosperity of voidage structure has huge specific area and superpower adsorption capacity, and specific area can be up to 1000-3000m
2/ g has very strong adsorption capacity to inorganic or organic substance and colloidal solid etc. in gas, the solution.The finiteness of active carbon specific area mainly occurs in the Gas Phase Adsorption field, owing to even have very high adsorptive value, after absorption a period of time, also can reach capacity with graininess, powdery, form such as fibrous.Therefore how active carbon is become renewablely, be a difficult problem always.
Because therefore disengaging non-caked and at random mutually between the activated carbon granule mainly uses with fluffy forms such as active carbon bag, adhesive active carbon nonwoven fabrics when designing and producing active carbon filter.But in the narrow and small filter element in space, be difficult to this class active carbon is effectively utilized.
In addition, conventional activated carbon filter layer all is non-renewable, if be used with some long-life high efficiency particulate air filters, the absorption life-span of its active carbon is well below the life-span of filtering filter paper, often a filter will be joined several activated carbon filter layers and satisfied the demands, and causes the rising and the inconvenience of customer using cost.
Summary of the invention
The purpose of this invention is to provide a kind of filtration efficiency that both had, have the long-life air filting material of renewable adsorption function again, a kind of nano photo-catalytic-activated carbon fiber composite filter media.
Technical scheme of the present invention is:
Nano photo-catalytic-active carbon fiber composite filter medium is characterized in that described filter medium is made of nano photo-catalytic-activated carbon fiber non-woven cloth and filtering substrate, and the component and the percentage by weight thereof of this nano photo-catalytic-activated carbon fiber non-woven cloth are:
Nano photo-catalytic 0.5%-1.0%
Nano active charcoal 1.0%-4.0%
Vector resin 95%-98.5%.
Described nano active carbon granule directly is 100nm-800nm, and the nano photo-catalytic particle diameter is 5um-100um.
Described nano photo-catalytic-activated carbon fiber non-woven cloth makes by spunbond or melt-blown process.
Described filtering substrate is a kind of of ptfe composite, melt-blown non-woven thing, polyester nonwoven thing.
The complex method of described nano photo-catalytic-activated carbon fiber non-woven cloth and filtering substrate is by hot rolling or gluing applying.
Described vector resin is polyester, polypropylene or nylon.
The production method of nano photo-catalytic-activated carbon fiber non-woven cloth is characterized in that described production method may further comprise the steps:
1), nano photo-catalytic is deposited on the surface and macrovoid inwall of nano active charcoal by sedimentation, forms uniform photocatalyst-active carbon composite particles;
2), under 150 ℃ of conditions drying nano photocatalyst-active carbon composite particles, make its water content not be higher than 0.8wt%;
3), composite particles is placed rotating speed is the agitator of 4000-4500rpm, add to continue to stir 4h behind part carrier, the coupling agent and make suspended emulsion;
4), continue in suspended emulsion, to add carrier slice and stir with 1000-2000rpm, add surfactant, dispersant and defoamer, make nano photo-catalytic-active carbon master batch by comminutor after stirring fully.
5), master batch and vector resin are cut into slices in proportion behind the consolute, make nano photo-catalytic-activated carbon fiber non-woven cloth by no spinning process.
The weight percentages of components of described nano photo-catalytic-active carbon master batch is:
Photocatalyst-active carbon composite granule 30%-40%
Carrier slice 60%-69.4%
Dispersant 0.3%-4%
Coupling agent 0.2%-3%
Defoamer 0.1%-1%.
Described nano photo-catalytic is nano titanium oxide, nano zine oxide or Nano Silver.
Described nano active charcoal is taken from bamboo charcoal or the shell charcoal after the pulverizing.
Concrete technology path of the present invention is that the nano photo-catalytic particle is deposited on the macrovoid inwall of the surface of carbon nano powder and powdered carbon by sedimentation, forms uniform photocatalyst-active carbon composite particles; Again particle is mixed in proportion with carrier and make master batch, at last master batch and carrier are mixed in proportion put into spunbond, the non-woven fabrics apparatus spinned fiber such as melt and spray, make the surface of every fiber evenly be covered with composite particles, and high molecular vector resin play bonding, the fixedly effect of composite particles.The fiber that contains photocatalyst-active carbon composite particles of its spinning is evenly distributed in accepting on the curtain of adjustable-speed, through elevated temperature heat roll pressure point bonding, rolling, cut edge into containing 1.0-3.0wt% nano active charcoal, containing the fabric nonwoven cloth of 0.5-1.0wt% nano photo-catalytic of required grammes per square metre, at last this photocatalyst-activated carbon fiber non-woven cloth and high efficiency filtering substrate are composited by technologies such as viscose glue, hot rollings, can be processed into various shape filter.
Usually filter is in order to reduce overall resistance and to improve dust containing capacity, the capital increases filter area with the pleating accordion that is processed into of material, and active carbon is to utilize its abundant specific area to come adsorbed gas, the gas of big more its absorption of volume is many more, and its adsorption mechanism depends on its abundant specific area.And general granular active carbon is because very loose and fluffy is difficult to the processing use that directly fits together of filtration filter paper with calendering, even widely used folder charcoal nonwoven on the market, also be because its fluffy thickness causes the non-renewable of the reduction of its effective area and active carbon, and can only under the particular environment space, use reluctantly.For the finiteness of non-renewable active carbon, also determined its to be difficult to reach the requirement of scrapping synchronously with long-life high efficiency filter layer combination owing to its adsorption area.
Adopt filter medium of the present invention, the organic molecule aerosol that conventional efficient filter layer can't be captured is adsorbed very fast by the activated carbon granule of nano carbon fiber, because nano photo-catalytic-activated carbon granule is dispersed in the surface of carrier fibre, the carrier macromolecule plays the effect of fixing bonding nano particle, has the water-fast characteristic of washing, not falling the charcoal particle.
In addition, the every index of made nonwoven is near its pure carrier nonwoven index parameter, and this will be very beneficial for expanding nano photo-catalytic-activated carbon fiber non-woven cloth and other and roll all kinds of high-efficiency filtration media and be used in combination.In addition, nano active charcoal layer is placed in the outlet air surface of filter element usually in the use of reality, the Wave-shaped structural that its pleating material provided can facilitate for uviol lamp fully shines active carbon layer, more help the regeneration operation of active carbon layer, help active carbon layer and obtain higher regeneration rate.
The regeneration principle of nano photo-catalytic-NACF of the present invention is as follows:
Under the irradiation of ultraviolet light,
1. the surface or the inside, large aperture of its active carbon after a period of time absorption of the nano active charcoal on nano photo-catalytic-NACF are covered with the organic gas molecule;
2. be carried on photocatalyst in activated carbon surface and the large aperture under the effect of ultraviolet light, electronics generation transition on the photocatalyst conduction band generates hole-duplet, and spreads to photocatalyst surface;
3. hole-electronics produces at the photocatalyst outer surface and induces absorption, respectively with the OH of the organic gas of activated carbon surface
-And O
2Effect produces extremely strong activity hydroxy-OH and the super oxygen particle O of oxidisability
2 -
4. because activity hydroxy-OH and super oxygen particle O
2 -Strong oxidation, being adsorbed on the adsorbate that the active carbon outer surface is positioned at around the photocatalyst at first degrades, in the photo reversal process of active carbon, ultraviolet light can shine directly into the photocatalyst of institute's load in the active carbon macropore, adsorbed organic matter is upright around it connects by photocatalytic degradation, pollution organic substance concentration in the macropore is reduced, form the active carbon macropore concentration difference of organic adsorbate on every side.Under the effect of concentration difference, the adsorbate in the activated carbon capillary spreads in mesopore and macropore, and photocatalyst is proceeded the degraded of the organic pollution materials in the macropore.Through some intermediate steps, be decomposed into small-molecule substance gradually, finally be decomposed into H
2O, CO
2And harmless salt.
Practice shows that the present invention is the composite filter media that basic framework is made with nano photo-catalytic-activated carbon fiber nonwoven, and made filter saturatedly is placed on illumination and regeneration operation under the sun or the uviol lamp through adsorbing, and organic gas is resolved into CO
2Thereby make active carbon obtain living again with water, nano photo-catalytic-acf layer has recovered its adsorptivity again.This will prolong the service life of monolithic filter greatly.
It is nano photo-catalytic-activated carbon composite particles of 100-800nm that technical solution of the present invention preferably adopts particle diameter, and wherein the particle diameter of nanocarbon particle is 300-800nm, and specific area is greater than 2000m
2/ g, iodine sorption value is greater than 1000mg/g; The nano photo-catalytic diameter that adopts is 5-20nm, and nano photo-catalytic-activated carbon fiber diameter is 1-5um.
Nano photo-catalytic of the present invention-activated carbon fiber nonwoven is the adsorption filtration layer, can be combined into composite filter media with the filtering material of any different efficient, different stiffness, different-thickness, all can be configured any desired filtered version, for example: filter cylinder, square position, filling, plate, bag and bag.Inside in said structure, this medium basically can by pleating, curl or place supporting construction.Composite filter media of the present invention can be used for any traditional structure, comprise flat-panel filter, elliptical filter, cartridge filter, coiled coil shape filtration device structure, and can be used for the Z type filter, V-bank of pleated or other comprise that this medium becomes the geometrical construction of useful shape or profile.
Description of drawings
Fig. 1 is nano photocatalyst of the present invention-activated carbon fiber composite filter media hot pressing compound section structural representation
Fig. 2 is nano photocatalyst of the present invention-activated carbon fiber composite filter media adhesive compound section structural representation
Fig. 3 is a composite filter media cross-sectional view of the present invention
Fig. 4 is gluing combination process schematic diagram
Fig. 5 is nano photo-catalytic-NACF air filtration media regeneration tests schematic diagram
Wherein: nano photo-catalytic-activated carbon fiber nonwoven 1, stiffening air-permeative filter base material 2, hot rolling point 3, adhesive 4, for nonwoven unreels 5, stiffening base material unreels 6, roller 7, winder 8, adhesive coated shower nozzle 9, one cube of standard thermostatic constant humidity test box 10, ac fan 11, ultraviolet lamp tube 12, specimen 13, automatic concentration of formaldehyde analyzer 14, carbon dioxide tester 15, Hygrothermograph 16.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is further described in detail.
Embodiment 1
Terylene nanometer titanium dioxide-active bamboo (TiO
2/ BC) the preparation of fabric nonwoven cloth
Prepare raw material by following proportioning
TiO
2/ BC particle (particle diameter 500-800nm) 5.0kg
Polyester slice 26.5Kg
Silane coupler 0.1kg
The cured 0.3kg of liquid
Zinc stearate 0.2Kg
Ployethylene Wax 2kg
Dry TiO under 150 ℃
2/ BC nano particle makes its water content not be higher than 0.8wt%;
Under 4000-4500rpm speed to TiO
2After adding coupling agent in the/BC nano particle, continue to stir 1h and make suspended emulsion;
Add the 2kg polyester slice and stir with 1000-2000RPM in suspended emulsion, and add surfactant and dispersant, stirring fully, the parcel back makes TiO by comminutor
2/ BC master batch, wherein TiO
2/ BC content is 30-40wt%;
With TiO
2/ BC master batch fully stirs with the residue carrier and obtains the mixture of cutting into slices;
Mixture is put into spunbond machine fusion, and melt mixes with high-pressure hot air to be extruded the back and is sprayed onto at a high speed suitable continued access and is subjected to obtain TiO on the curtain
2/ BC fiber;
Curtain speed is accepted in adjustment, with 250 ℃ of hot-rolling mills to TiO
2/ BC fiber carries out thermo-compression bonding;
The side cut rolling obtains terylene nanometer titanium oxide-activated carbon fiber non-woven cloth.
The preparation of polypropylene nano zinc oxide-active bamboo (ZnO/BC) fiber
Prepare raw material by following proportioning
Nano zine oxide-active carbon (ZnO/BC) particle (particle diameter 100-300nm) 3.0kg
Polypropylene chip (MFI=8) 20Kg
Silane coupler 0.1kg
The cured 0.3kg of liquid
Zinc stearate 0.2Kg
Ployethylene Wax 2kg
Dry ZnO/BC nano particle under 150 ℃ makes its water content not be higher than 0.8wt%;
After in nano zine oxide-active bamboo (ZnO/BC) particle, adding coupling agent under the 4000-4500RPM speed, continue to stir 4h and make suspended emulsion;
In suspended emulsion, add the 2kg polypropylene chip and stir with 1000-2000RPM, and adding surfactant and dispersant, stir fully and make nano zine oxide-active bamboo (ZnO/BC) master batch by comminutor behind the parcel, wherein nano zine oxide-active carbon content is 30-40wt%;
Nano zine oxide-active bamboo (ZnO/BC) master batch and residue carrier are fully stirred and obtain the mixture of cutting into slices;
Mixture put into melt and spray the machine fusion, melt mixes with high-pressure hot air to be extruded the back and is sprayed onto at a high speed and accepts continuously on the curtain, obtains nano zine oxide-active bamboo (ZnO/BC) fiber of 1.65 Denier;
Curtain speed is accepted in adjustment, with the 200 ℃ of hot-rolling mills in surface nano zine oxide-NACF is carried out thermo-compression bonding;
The side cut rolling obtains polypropylene nano zinc oxide-active bamboo (ZnO/BC) fabric nonwoven cloth.
The preparation of nylon nano silver-activated coconut charcoal fiber
Prepare raw material by following proportioning
Nano Silver-activated coconut charcoal particle (particle diameter 300-500nm) 2.5kg
Nylon (fibre-grade I level) section 51.75kg
Silane coupler 0.5kg
The cured 0.3kg of liquid
Zinc stearate 0.2Kg
Ployethylene Wax 1.5kg
At 150 ℃ of following drying nano silver-cocoanut active charcoal particles, make its water content not be higher than 0.8wt%;
After in Nano Silver-cocoanut active charcoal particle, adding coupling agent under the 4000-4500RPM speed, continue to stir 4h and make suspended emulsion;
In suspended emulsion, add the 4.15kg nylon chips and stir with 1000-2000rpm, and adding surfactant and dispersant, stir fully and make Nano Silver-cocoanut active charcoal master batch by comminutor behind the parcel, wherein Nano Silver-cocoanut active charcoal content is 30-40wt%;
Nano Silver-cocoanut active charcoal master batch and residue carrier are fully stirred and obtain the mixture of cutting into slices;
Mixture put into melt and spray the machine fusion, melt mixes with high-pressure hot air to be extruded the back and is sprayed onto at a high speed and accepts continuously on the curtain, obtains the Nano Silver-cocoanut active charcoal fiber of 2.0 Denier;
Curtain speed is accepted in adjustment, with the 200 ℃ of hot-rolling mills in surface Nano Silver-cocoanut active charcoal fiber is carried out thermo-compression bonding;
The side cut rolling obtains nylon nano silver-cocoanut active charcoal fabric nonwoven cloth.
Embodiment 4
Nano photo-catalytic-activated carbon fiber and highly efficient gas permeable filtering material compound, structure cutaway view as depicted in figs. 1 and 2, wherein the direction of arrow indication is an airflow direction among the figure.
Compound scheme 1)
One deck PET nonwoven A0 as supporting layer, is adopted one deck nylon 30g/m
2Nano Silver-cocoanut active charcoal fabric nonwoven cloth (E) is the compound A1 that is prepared into of hot pressing directly, the combination process route as shown in Figure 3, its roller diameter 50cm, temperature is 220 ℃, pressure 4.5 kgfs.Its composite filter efficiency of the compound back test of material hot pressing, gas permeability, resistance and iodine sorption value data are as shown in table 1.
Compound scheme 2)
One deck melt spraying non-woven fabrics B0 as supporting layer, is adopted one deck polypropylene 30g/m
2ZnO/BC fabric nonwoven cloth (F) is the compound B1 that is prepared into of hot pressing directly, process route as shown in Figure 3, its roller diameter 50cm, temperature is 150 ℃, pressure 3 kgfs.Its composite filter efficiency of the compound back test of material hot pressing, gas permeability, resistance and iodine sorption value data are as shown in table 1.
Compound scheme 3)
The composite filter material C0 that one deck is contained the polytetrafluoroethylene (PTFE) breathable films adopts one deck terylene 30g/m as supporting layer
2TiO
2/ BC fabric nonwoven cloth (G) is the compound C2 that is prepared into of hot pressing directly, process route as shown in Figure 3, its roller diameter 50cm, temperature is 220 ℃, pressure 7 kgfs.Its composite filter efficiency of the compound back test of material hot pressing, gas permeability, resistance and iodine sorption value data are as shown in table 1.
Compound scheme 4)
One deck PET nonwoven A0 as supporting layer, is adopted one deck nylon 30g/m
2Nano Silver-cocoanut active charcoal fiber (E) is by the compound A2 that is prepared into of adhesive, the combination process route as shown in Figure 4, its roller diameter 100cm, temperature is 150 ℃, pressure 3 kgfs.Its composite filter efficiency of the compound back test of material hot pressing, gas permeability, resistance and iodine sorption value data are as shown in table 1.
Compound scheme 5)
One deck melt spraying non-woven fabrics B0 as supporting layer, is adopted one deck polypropylene 30g/m
2Nano zine oxide-active bamboo (ZnO/BC) fabric nonwoven cloth (F) is by the compound B2 that is prepared into of adhesive, the combination process route as shown in Figure 4, its roller diameter 100cm, temperature is 120 ℃, pressure 3 kgfs.Its composite filter efficiency of the compound back test of material hot pressing, gas permeability, resistance and iodine sorption value data are as shown in table 1.
Compound scheme 6)
The composite filter material C0 that one deck is contained the polytetrafluoroethylene (PTFE) breathable films adopts one deck terylene 30g/m as supporting layer
2TiO
2/ BC fabric nonwoven cloth nonwoven (G) is by the compound C2 that is prepared into of adhesive, the combination process route as shown in Figure 4, its roller diameter 100cm, temperature is 140 ℃, pressure 3 kgfs.Its composite filter efficiency of the compound back test of material hot pressing, gas permeability, resistance and iodine sorption value data are as shown in table 1.
Table 1 test result contrast table
| The material model | Gas permeability [l/ (m 2.s)] | Resistance (Pa) | Filter efficiency (@0.3um NaCl%) | Iodine sorption value (mg/g) |
| ??A0 | ??125 | ??35 | ??56 | ??0 |
| ??A1 | ??115 | ??37 | ??57 | ??115 |
| ??A2 | ??120 | ??38 | ??57 | ??120 |
| ??B0 | ??85 | ??58 | ??95 | ??0 |
| ??B1 | ??83 | ??63 | ??97 | ??105 |
| ??B2 | ??82 | ??62 | ??96 | ??110 |
| ??C0 | ??17 | ??265 | ??99.985 | ??0 |
| ??C1 | ??18 | ??275 | ??99.99 | ??125 |
| ??C2 | ??18 | ??280 | ??99.985 | ??108 |
By above correction data as can be seen: nano photo-catalytic-activated carbon fiber material and any high efficiency filter material are compound, and its complex method and carrier do not influence its adsorptive value to organic gas.
Choose prepared in the above-described embodiments B1 and C2 and 30g/m
2TiO2/BC polypropylene fibre nonwoven (F) material is as nano photo-catalytic-NACF photocatalysis regeneration tests, and testing equipment as shown in Figure 5.
Method of testing and step:
1. with 0.5m
2Material is put into 1 cubic metre of standard thermostatic constant humidity test box.
2. the air that at first feeds 100 grades of cleanings entered container interior 8-10 minute, and the test container presence of pollution sources need be lower than the instrument test limiting value.
3. logical micro pressure gas will be analyzed pure formaldehyde and import in the experimental box, open then and make its even dispersion in agitation fan 1-2 minute.Test the initial concentration of its formaldehyde with automatic concentration of formaldehyde analyzer
4. test the concentration of formaldehyde value with automatic concentration of formaldehyde analyzer every 6hr, test its initial concentration value with the carbon dioxide tester, and then carry out regeneration reducing with ultra violet lamp laboratory sample 2hr, gas concentration lwevel value after degrading with carbon dioxide tester test material again, and fill in relevant parameter and calculate adsorption rate
5. refill formaldehyde gas and carry out adsorption test, carry out associative operation and fill in a form according to step 3 step 4
Table 2 30g/m2 TiO2/BC polypropylene fibre photocatalysis regeneration tests tables of data
Table 3 B1 photocatalysis regeneration tests tables of data
Table 4 C2 photocatalysis regeneration tests tables of data
Annotate: the carbon dioxide recruitment is considered to all be generated by Degradation Formaldehyde
We can draw by above-mentioned experiment: greater than more than 95%, its regeneration rate can maintain 90% higher level to nano photo-catalytic-NACF air filtration media to organic pollution 6hr purifying rate, slightly reduces along with regeneration times increases regeneration rate.
Claims (10)
1. nano photo-catalytic-active carbon fiber composite filter medium is characterized in that described filter medium is made of nano photo-catalytic-activated carbon fiber non-woven cloth and filtering substrate, and the component and the percentage by weight thereof of this nano photo-catalytic-activated carbon fiber non-woven cloth are:
Nano photo-catalytic 0.5%-1.0%
Nano active charcoal 1.0%-4.0%
Vector resin 95%-98.5%.
2. composite filter media according to claim 1 is characterized in that described nano active carbon granule directly is 100nm-800nm, and the nano photo-catalytic particle diameter is 5um-100um.
3. composite filter media according to claim 1 is characterized in that described nano photo-catalytic-activated carbon fiber non-woven cloth makes by spunbond or melt-blown process.
4. composite filter media according to claim 1 is characterized in that described filtering substrate is a kind of of ptfe composite, melt-blown non-woven thing, polyester nonwoven thing.
5. a kind of for by hot rolling or adhesive or ultrasonic wave applying of composite filter media according to claim 1, the complex method that it is characterized in that described nano photo-catalytic-activated carbon fiber non-woven cloth and filtering substrate.
6. composite filter media according to claim 1 is characterized in that described vector resin is polyester, polypropylene or nylon.
7. the production method of nano photo-catalytic-activated carbon fiber non-woven cloth is characterized in that described production method may further comprise the steps:
1), nano photo-catalytic is deposited on the surface and macrovoid inwall of nano active charcoal particle photocatalyst-active carbon composite particles of formation 100-800nm by sedimentation;
2), under 150 ℃ of conditions drying nano photocatalyst-active carbon composite particles, make its water content not be higher than 0.8wt%;
3), composite particles is placed rotating speed is the agitator of 4000-4500rpm, add to continue to stir 4h behind part carrier, the coupling agent and make suspended emulsion;
4), continue in suspended emulsion, to add carrier slice and stir with 1000-2000rpm, add surfactant, dispersant and defoamer, make nano photo-catalytic-active carbon master batch by comminutor after stirring fully.
5), master batch and vector resin are cut into slices in proportion behind the consolute, make nano photo-catalytic-activated carbon fiber non-woven cloth by no spinning process.
8. production method according to claim 8 is characterized in that the weight percentages of components of described nano photo-catalytic-active carbon master batch is:
Photocatalyst-active carbon composite granule 30%-40%
Carrier slice 50%-69.4%
Dispersant 0.3%-5%
Coupling agent 0.2%-4%
Defoamer 0.1%-1%.
9. according to the described composite filter media of each claim of claim 1-8, it is characterized in that described nano photo-catalytic is nano titanium oxide, nano zine oxide or Nano Silver.
10. according to the described composite filter media of each claim of claim 1-8, it is characterized in that bamboo charcoal or shell charcoal after described nano active charcoal is taken from pulverizing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101551728A CN101804275B (en) | 2010-04-26 | 2010-04-26 | Nano photocatalyst-active carbon fiber composite filter medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101551728A CN101804275B (en) | 2010-04-26 | 2010-04-26 | Nano photocatalyst-active carbon fiber composite filter medium |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101804275A true CN101804275A (en) | 2010-08-18 |
| CN101804275B CN101804275B (en) | 2012-02-01 |
Family
ID=42606328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101551728A Active CN101804275B (en) | 2010-04-26 | 2010-04-26 | Nano photocatalyst-active carbon fiber composite filter medium |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101804275B (en) |
Cited By (33)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102734912A (en) * | 2011-04-12 | 2012-10-17 | 舍帕Cnc株式会社 | Rotary heat exchange element |
| CN103191601A (en) * | 2013-03-20 | 2013-07-10 | 吴定汉 | Nanometer material filter screen and preparation method thereof |
| CN103736324A (en) * | 2014-01-15 | 2014-04-23 | 天津工业大学 | Manufacture method of filter material coated with carbon nano material-PTFE (polytetrafluoroethylene) hybridized coating |
| CN104174224A (en) * | 2014-08-25 | 2014-12-03 | 樊光裕 | Multifunctional air purification composite material component |
| CN104862965A (en) * | 2015-04-23 | 2015-08-26 | 温州烈骏无纺科技有限公司 | Non-woven fabric containing photocatalyst and formula and preparation method thereof |
| CN105113239A (en) * | 2015-08-13 | 2015-12-02 | 安徽凤凰滤清器股份有限公司 | Flame retardant and anti-aging cooking fume filtering material and preparing method thereof |
| CN105107265A (en) * | 2015-08-13 | 2015-12-02 | 蚌埠首创滤清器有限公司 | Flame-retardant lampblack filter material and preparation method therefor |
| CN105113238A (en) * | 2015-08-13 | 2015-12-02 | 安徽凤凰滤清器股份有限公司 | Corncob-modified oil fume filter material and preparation method thereof |
| CN105113241A (en) * | 2015-08-13 | 2015-12-02 | 蚌埠首创滤清器有限公司 | Anti-static cooking fume filtering material and preparation method thereof |
| CN105113237A (en) * | 2015-08-13 | 2015-12-02 | 安徽凤凰滤清器股份有限公司 | Ageing-resistant oil fume filtering material and preparation method thereof |
| CN105113240A (en) * | 2015-08-13 | 2015-12-02 | 安徽凤凰滤清器股份有限公司 | Lampblack filter material containing pine needle meal and preparation method thereof |
| CN105107264A (en) * | 2015-08-13 | 2015-12-02 | 安徽凤凰滤清器股份有限公司 | Fume filtering material containing folium artemisiae argyi powder and preparation method thereof |
| CN105113040A (en) * | 2015-08-13 | 2015-12-02 | 安徽凤凰滤清器股份有限公司 | Rice hull modified lampblack filtering material and preparation method thereof |
| CN105133321A (en) * | 2015-08-13 | 2015-12-09 | 蚌埠首创滤清器有限公司 | Fly ash modified oil fume filtration material and preparation method thereof |
| CN105126451A (en) * | 2015-08-13 | 2015-12-09 | 安徽凤凰滤清器股份有限公司 | Air purification oil fume filtration material and preparation method thereof |
| CN105126449A (en) * | 2015-08-13 | 2015-12-09 | 安徽凤凰滤清器股份有限公司 | High strength oil fume filtration material and preparation method thereof |
| CN105126450A (en) * | 2015-08-13 | 2015-12-09 | 蚌埠首创滤清器有限公司 | Coconut husk charcoal modified oil fume filtration material and preparation method thereof |
| CN105148612A (en) * | 2015-08-13 | 2015-12-16 | 安徽凤凰滤清器股份有限公司 | Antibacterial and mould-proof cooking fume filtering material and preparation method thereof |
| CN105148613A (en) * | 2015-08-13 | 2015-12-16 | 安徽凤凰滤清器股份有限公司 | Tea seed coat modified cooking fume filtering material and preparation method thereof |
| CN105155264A (en) * | 2015-08-13 | 2015-12-16 | 蚌埠首创滤清器有限公司 | Bagasse modified oil fume filter material and preparation method thereof |
| CN105600871A (en) * | 2015-12-24 | 2016-05-25 | 福州品行科技发展有限公司 | Photocatalytic magnetic filter element, filter employing same and filtering method |
| CN105923695A (en) * | 2016-07-13 | 2016-09-07 | 成都优纳新材料有限公司 | Photocatalyst active carbon floating sphere and preparation method thereof |
| CN107138156A (en) * | 2017-05-24 | 2017-09-08 | 黄丽英 | Except formaldehyde photocatalyst preparation |
| CN107185531A (en) * | 2017-05-24 | 2017-09-22 | 黄丽英 | It can remove the photocatalyst preparation of furniture formaldehyde |
| CN107199034A (en) * | 2017-05-24 | 2017-09-26 | 黄丽英 | The photocatalyst product of formaldehyde can be removed |
| CN107670480A (en) * | 2017-11-25 | 2018-02-09 | *** | A kind of system that organic pollution in gas is absorbed using light Fenton oxidation |
| CN108607371A (en) * | 2018-06-15 | 2018-10-02 | 南京水杯子科技股份有限公司 | One kind antibacterial carbon membrane with multi-layer structure and preparation method thereof |
| CN109077007A (en) * | 2018-06-22 | 2018-12-25 | 嘉兴赛亿科农业科技有限公司 | water quality optimizing device and method |
| CN109518455A (en) * | 2018-12-23 | 2019-03-26 | 上海师范大学 | A kind of load nano-sized carbon and the non-woven fabrics of titanium dioxide and preparation method thereof |
| CN109966533A (en) * | 2019-05-23 | 2019-07-05 | 李学书 | It is a kind of to utilize deodorant and purposes made of carbon nanohorn |
| CN111569531A (en) * | 2019-02-15 | 2020-08-25 | 意高环保建材有限公司 | Nanofiber filter and method for manufacturing same |
| CN113440951A (en) * | 2020-03-27 | 2021-09-28 | 中昊晨光化工研究院有限公司 | Polytetrafluoroethylene composite filtering material |
| CN114263037A (en) * | 2021-12-24 | 2022-04-01 | 仙桃市鼎业劳保用品有限公司 | Mask capable of preventing PM2.5 activated carbon and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002177717A (en) * | 2000-12-14 | 2002-06-25 | Nissan Motor Co Ltd | Dust removing and deodorizing filter |
| CN1698949A (en) * | 2005-03-31 | 2005-11-23 | 桐乡市健民过滤材料有限公司 | Filtering material for absorption purification |
| TW200724234A (en) * | 2005-12-22 | 2007-07-01 | Ind Tech Res Inst | Photocatalystic composite material, method for producing the same and application thereof |
| CN100491620C (en) * | 2007-03-06 | 2009-05-27 | 天津工业大学 | Production and production equipment for functional micro granule modified melt-jetting non-woven cloth |
-
2010
- 2010-04-26 CN CN2010101551728A patent/CN101804275B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002177717A (en) * | 2000-12-14 | 2002-06-25 | Nissan Motor Co Ltd | Dust removing and deodorizing filter |
| CN1698949A (en) * | 2005-03-31 | 2005-11-23 | 桐乡市健民过滤材料有限公司 | Filtering material for absorption purification |
| TW200724234A (en) * | 2005-12-22 | 2007-07-01 | Ind Tech Res Inst | Photocatalystic composite material, method for producing the same and application thereof |
| CN100491620C (en) * | 2007-03-06 | 2009-05-27 | 天津工业大学 | Production and production equipment for functional micro granule modified melt-jetting non-woven cloth |
Cited By (38)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102734912A (en) * | 2011-04-12 | 2012-10-17 | 舍帕Cnc株式会社 | Rotary heat exchange element |
| CN103191601A (en) * | 2013-03-20 | 2013-07-10 | 吴定汉 | Nanometer material filter screen and preparation method thereof |
| CN103736324A (en) * | 2014-01-15 | 2014-04-23 | 天津工业大学 | Manufacture method of filter material coated with carbon nano material-PTFE (polytetrafluoroethylene) hybridized coating |
| CN104174224A (en) * | 2014-08-25 | 2014-12-03 | 樊光裕 | Multifunctional air purification composite material component |
| CN104174224B (en) * | 2014-08-25 | 2017-01-11 | 樊光裕 | Multifunctional air purification composite material component |
| CN104862965A (en) * | 2015-04-23 | 2015-08-26 | 温州烈骏无纺科技有限公司 | Non-woven fabric containing photocatalyst and formula and preparation method thereof |
| CN105148613A (en) * | 2015-08-13 | 2015-12-16 | 安徽凤凰滤清器股份有限公司 | Tea seed coat modified cooking fume filtering material and preparation method thereof |
| CN105126449A (en) * | 2015-08-13 | 2015-12-09 | 安徽凤凰滤清器股份有限公司 | High strength oil fume filtration material and preparation method thereof |
| CN105113241A (en) * | 2015-08-13 | 2015-12-02 | 蚌埠首创滤清器有限公司 | Anti-static cooking fume filtering material and preparation method thereof |
| CN105113237A (en) * | 2015-08-13 | 2015-12-02 | 安徽凤凰滤清器股份有限公司 | Ageing-resistant oil fume filtering material and preparation method thereof |
| CN105113240A (en) * | 2015-08-13 | 2015-12-02 | 安徽凤凰滤清器股份有限公司 | Lampblack filter material containing pine needle meal and preparation method thereof |
| CN105107264A (en) * | 2015-08-13 | 2015-12-02 | 安徽凤凰滤清器股份有限公司 | Fume filtering material containing folium artemisiae argyi powder and preparation method thereof |
| CN105113040A (en) * | 2015-08-13 | 2015-12-02 | 安徽凤凰滤清器股份有限公司 | Rice hull modified lampblack filtering material and preparation method thereof |
| CN105133321A (en) * | 2015-08-13 | 2015-12-09 | 蚌埠首创滤清器有限公司 | Fly ash modified oil fume filtration material and preparation method thereof |
| CN105126451A (en) * | 2015-08-13 | 2015-12-09 | 安徽凤凰滤清器股份有限公司 | Air purification oil fume filtration material and preparation method thereof |
| CN105113239A (en) * | 2015-08-13 | 2015-12-02 | 安徽凤凰滤清器股份有限公司 | Flame retardant and anti-aging cooking fume filtering material and preparing method thereof |
| CN105126450A (en) * | 2015-08-13 | 2015-12-09 | 蚌埠首创滤清器有限公司 | Coconut husk charcoal modified oil fume filtration material and preparation method thereof |
| CN105148612A (en) * | 2015-08-13 | 2015-12-16 | 安徽凤凰滤清器股份有限公司 | Antibacterial and mould-proof cooking fume filtering material and preparation method thereof |
| CN105107265A (en) * | 2015-08-13 | 2015-12-02 | 蚌埠首创滤清器有限公司 | Flame-retardant lampblack filter material and preparation method therefor |
| CN105155264A (en) * | 2015-08-13 | 2015-12-16 | 蚌埠首创滤清器有限公司 | Bagasse modified oil fume filter material and preparation method thereof |
| CN105113238A (en) * | 2015-08-13 | 2015-12-02 | 安徽凤凰滤清器股份有限公司 | Corncob-modified oil fume filter material and preparation method thereof |
| CN105600871A (en) * | 2015-12-24 | 2016-05-25 | 福州品行科技发展有限公司 | Photocatalytic magnetic filter element, filter employing same and filtering method |
| CN105600871B (en) * | 2015-12-24 | 2018-06-29 | 福州品行科技发展有限公司 | A kind of photocatalyst magnetization filter element and apply its filter and filter method |
| CN105923695A (en) * | 2016-07-13 | 2016-09-07 | 成都优纳新材料有限公司 | Photocatalyst active carbon floating sphere and preparation method thereof |
| CN107185531A (en) * | 2017-05-24 | 2017-09-22 | 黄丽英 | It can remove the photocatalyst preparation of furniture formaldehyde |
| CN107199034A (en) * | 2017-05-24 | 2017-09-26 | 黄丽英 | The photocatalyst product of formaldehyde can be removed |
| CN107138156A (en) * | 2017-05-24 | 2017-09-08 | 黄丽英 | Except formaldehyde photocatalyst preparation |
| CN107670480A (en) * | 2017-11-25 | 2018-02-09 | *** | A kind of system that organic pollution in gas is absorbed using light Fenton oxidation |
| CN108607371A (en) * | 2018-06-15 | 2018-10-02 | 南京水杯子科技股份有限公司 | One kind antibacterial carbon membrane with multi-layer structure and preparation method thereof |
| CN109077007A (en) * | 2018-06-22 | 2018-12-25 | 嘉兴赛亿科农业科技有限公司 | water quality optimizing device and method |
| CN109518455A (en) * | 2018-12-23 | 2019-03-26 | 上海师范大学 | A kind of load nano-sized carbon and the non-woven fabrics of titanium dioxide and preparation method thereof |
| CN111569531A (en) * | 2019-02-15 | 2020-08-25 | 意高环保建材有限公司 | Nanofiber filter and method for manufacturing same |
| CN111569531B (en) * | 2019-02-15 | 2022-02-25 | 纳滤飞过滤科技有限公司 | Nanofiber filter and method for manufacturing same |
| CN109966533A (en) * | 2019-05-23 | 2019-07-05 | 李学书 | It is a kind of to utilize deodorant and purposes made of carbon nanohorn |
| CN113440951A (en) * | 2020-03-27 | 2021-09-28 | 中昊晨光化工研究院有限公司 | Polytetrafluoroethylene composite filtering material |
| WO2021189762A1 (en) * | 2020-03-27 | 2021-09-30 | 中昊晨光化工研究院有限公司 | Polytetrafluoroethylene composite filter material |
| US20230045147A1 (en) * | 2020-03-27 | 2023-02-09 | Zhonghao Chenguang Research Institute Of Chemical Industry Co., Ltd. | Polytetrafluoroethylene Composite Filter Material |
| CN114263037A (en) * | 2021-12-24 | 2022-04-01 | 仙桃市鼎业劳保用品有限公司 | Mask capable of preventing PM2.5 activated carbon and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101804275B (en) | 2012-02-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101804275B (en) | Nano photocatalyst-active carbon fiber composite filter medium | |
| Zhu et al. | ZIF-8@ SiO2 composite nanofiber membrane with bioinspired spider web-like structure for efficient air pollution control | |
| Dai et al. | Multifunctional polyethylene (PE)/polypropylene (PP) bicomponent fiber filter with anchored nanocrystalline MnO 2 for effective air purification | |
| Hu et al. | Manganese dioxide-filled hierarchical porous nanofiber membrane for indoor air cleaning at room temperature | |
| CN106192376A (en) | Grapheme material coating and preparation method thereof and air filter and system | |
| CN106902574B (en) | A kind of air purifying filter core and its preparation method and application based on glass fibre and alumina fibre skeleton | |
| Bian et al. | Effective removal of particles down to 15 nm using scalable metal-organic framework-based nanofiber filters | |
| JP2007260603A (en) | Filter unit for air cleaner | |
| Zhang et al. | Simultaneous removal of VOCs and PM2. 5 by metal-organic framework coated electret filter media | |
| CN106861288A (en) | A kind of compound air purification filtration and compound air purification filter core | |
| Rana et al. | Cellulose-based materials for air purification: A review | |
| JP6988477B2 (en) | Filter media for air purification | |
| CN109972456B (en) | Degradable air purification composite filter paper and preparation method thereof | |
| CN201692730U (en) | Nano-photocatalyst-activated carbon fiber composite filter medium | |
| EP3749435A1 (en) | A multi purpose composite gas filter | |
| Ni et al. | Zeolite imidazole framework-8 (ZIF-8) decorated keratin-based air filters with formaldehyde removal and photocatalytic disinfection performance | |
| Sheraz et al. | Electrospinning synthesis of CuBTC/TiO2/PS composite nanofiber on HEPA filter with self-cleaning property for indoor air purification | |
| CN112619287A (en) | Filter screen and preparation method thereof, air conditioner indoor unit with filter screen and air purifier | |
| CN112843880A (en) | Multifunctional composite air purification filter screen and preparation method thereof | |
| JPH03258319A (en) | Air cleaning filter | |
| CN205391963U (en) | Air purification filter core | |
| JP6910955B2 (en) | Composite gas adsorbent, adsorption filter using it, and method for manufacturing composite gas adsorbent | |
| JP2003062414A (en) | Photocatalyst composite filter | |
| CN209459121U (en) | Air cleaning unit | |
| JP5720415B2 (en) | Air cleaning media |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: Hangzhou City, Zhejiang province Binjiang District 310023 shore road 1197 building 7 room 316 Patentee after: HANGZHOU FILTECH INTELLIGENT CO., LTD. Address before: 311114 3 blocks of Jing Feng Feng Industrial Zone, Yuhang District, Zhejiang, Hangzhou Patentee before: Hangzhou CACL Technology Co., Ltd. |