CN1276224C - Multifunctional air purifier with high adsorbability - Google Patents
Multifunctional air purifier with high adsorbability Download PDFInfo
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- CN1276224C CN1276224C CN 200310100485 CN200310100485A CN1276224C CN 1276224 C CN1276224 C CN 1276224C CN 200310100485 CN200310100485 CN 200310100485 CN 200310100485 A CN200310100485 A CN 200310100485A CN 1276224 C CN1276224 C CN 1276224C
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- carbon fiber
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Abstract
The present invention relates to a high-adsorption multifunctional air purifier which is composed of a shell, an electric dust-collecting device, a photocatalysis degradation device and a negative ion generator, wherein the electric dust-collecting device is composed of a group of positive ion wires and dust-collecting nets, the photocatalysis degradation device is composed of a plurality of groups of ultraviolet lamp tubes and active carbon fiber base TiO2 photocatalysis material, and the negative ion generator comprises a direct current high-voltage source and an active carbon fiber belt used as a negative ion generating source. The air purifier is characterized in that the strong adsorption of activated carbon fiber and the potential difference between charged current pollutants and grounding photocatalysis material are utilized, and large amounts of pollutants in air can be adsorbed on the surface of photocatalyst to promote the photocatalysis process. The present invention has the functions of dust collection, photocatalysis degradation and air negative ionization, and can obvious improve air quality.
Description
Technical field
The invention belongs to the air purifying process field, particularly a kind of current collection subclass dirt, photocatalytic degradation and negative aeroionization are in the high adsorption multifunctional air purifying device of one.
Background technology
Along with the raising of people's living standard and the improvement of living conditions, bulk petroleum chemical products, electric equipment products and the building and the finishing material that can produce volatile organic matter are brought into indoor, caused serious indoor pollution, the pollution level of room air is 5～10 times of outdoor air.Investigation test is the result show, the harmful species that can measure in the modern room reach kind more than 500, kind surplus wherein volatile organic matter (VOC) reaches 300, and carcinogenic substance just reaches kind more than 20.Generally believe that indoor noxious pollutant mainly contains following a few class: dust, various bacterium and virus, inorganic pernicious gas are (as NH
3, H
2S, NO
x, SO
2Deng) and volatile organic matter (as formaldehyde, benzene,toluene,xylene etc.), human body contacts with these pollutants indoor for a long time, very easily causes as multiple diseases such as cancer, leukaemia.
Semiconductor light-catalyst is under the exciting of ultraviolet light, can produce the hole-duplet of high energy, under the participation of aerial oxygen and water, bacterium, virus and the various pernicious gas that is adsorbed in photocatalyst surface can be degraded into inorganic molecules by redox, reach the purpose that purifies air.Photocatalysis technology is one of major technique of current air cleaning.
In addition, harmful positive charged ions such as dust in air, bacterium, virus, waste gas can be effectively eliminated in the increase of airborne negative ion amount, promote the metabolism of human body, prevent and treat multiple disease.Therefore, negative aeroionization has become the important technique measure of improving air quality, disease preventing and treating.
At present, in the photocatalysis air-cleaning field, the patented technology that relates to these two key problems of configuration of the load of photochemical catalyst and composite photocatalyst can be following two classes:
(1) photochemical catalyst is carried on the carrier of no adsorptivity, and Chinese patent 00100561.8 is characterized in that with photocatalyst coating air-flow passes mesh on wire netting; Chinese patent 95223245.6 is characterized in photochemical catalyst is carried on the glass fibre, and air-flow passes the bed that is filled with glass fibre; Chinese patent 02212337.7 is characterized in photochemical catalyst is carried on the glass tube outer wall, and air-flow passes the stacking bed of hollow glass tube composition; Its defective is: photochemical catalyst is relatively poor for the adsorption capacity of gaseous-phase organic pollutant, and photocatalysis efficiency is lower.
(2) photochemical catalyst is carried on the adsorptive support, Chinese patent 02139299.4, be characterized in photochemical catalyst be coated on the filament after active carbon mixes, airflow direction is parallel with photocatalyst layer; Chinese patent 98240831.5, be characterized in photocatalyst-supporting in porosity greater than 70% cellular glass or porous ceramics on, and make cavity and be placed on the ultraviolet lamp tube, air-flow flows into from hole; Its defective is: ultra-violet radiation can not enter the duct, inside of adsorptive support, so that photocatalysis can only take place on the adsorptive support surface.
Negative ion generating device commonly used adopts high pressure needle point discharge generation anion.This class device can produce the ozone of a great deal of in the needle point discharge process, and there is certain potential safety hazard in needle point voltage up to more than 7000 volts; Needle point uses a period of time meeting oxidation and rusting, reduces the output quantity of anion and the quantum of output of increase ozone, and the efficient that influence purifies air is applied thereby influence it.
Summary of the invention
The objective of the invention is photocatalysis air purifying device at current use, the catalysis material absorption property that uses is not strong, photocatalysis efficiency lowly and easily produces secondary pollution, and big, the needle point overtension of the ozone amount that the negative ion generating device of current use exists, the defective that certain potential safety hazard is arranged, and provide a kind of electronic dust-collecting device, photocatalytic degradation device and negative ion generating device are integrated in one, form a kind of high adsorption multifunctional air purifying device with control of dust, photocatalytic degradation and negative aeroion function.
Technical scheme of the present invention is as follows:
High adsorption multifunctional air purifying device provided by the invention comprises housing 1 and is positioned over electronic dust-collecting device, photocatalytic degradation device and negative ion generating device in the housing 1 successively;
Described electronic dust-collecting device is made up of one group of cation lead 7 that is positioned at housing 1 air inlet 12 places and the dust-collecting net 6 that is positioned at described cation lead 7 rear portions, and this group cation lead 7 links to each other with the positive potential end of dc high-voltage source, constitutes ionized regions with dust-collecting net 6;
Described photocatalytic degradation device is positioned at the rear portion of electronic dust-collecting device, comprise at least one group of ultraviolet tube 5 and be arranged in fluorescent tube 5 around vertical NACF base TiO
2 Catalysis material band 41 and horizontal NACF base TiO
2 Catalysis material band 42, wherein vertical NACF base TiO
2 Catalysis material band 41 ground connection, ultraviolet tube 5 is electrically connected with an external power supply;
Described negative ion generating device is positioned at the rear portion of photocatalytic degradation device, forms by dc high-voltage source with as the active carbon fiber belt serving 8 in anion generation source; 11 places, gas outlet of the housing (1) at active carbon fiber belt serving 8 rear portions are equipped with an extractor fan 10, and the negative potential end of described dc high-voltage source links to each other with active carbon fiber belt serving 8;
Described dust-collecting net 6 is stainless (steel) wire, aluminium net or copper mesh, is installed in the slot 2 that is fixed on the close air inlet on housing 1 inwall, and links to each other with earth terminal 13; Described vertical NACF base TiO
2 Catalysis material band 41 is to be carrier with the NACF silk, and one layer thickness is arranged is 50～200nm, coat uniform TiO in load on the filament
2Photocatalyst layer, TiO
2The photochemical catalyst crystal formation is single anatase phase; Vertical NACF base TiO
2 Catalysis material band 41 is felted or cloth shape; Described vertical NACF base TiO
2 Catalysis material band 41 is bonded to one with its wire netting support 3, is installed on the slot that is positioned at the dust-collecting net rear portion 2 that is fixed on housing 1 inwall, and links to each other with earth terminal 13; Described horizontal NACF base TiO
2 Catalysis material band 42 is to be carrier with the NACF silk, and one layer thickness is arranged is 50～200nm, coat uniform TiO in load on the filament
2Photocatalyst layer, TiO
2The photochemical catalyst crystal formation is single anatase phase; Described horizontal NACF base TiO
2 Catalysis material band 42 is installed on the end face and bottom surface of housing 1, and is parallel with air-flow direction; Described ultraviolet tube 5 is lower powered quartziferous fluorescent tube, wavelength X＜380nm; The active carbon fiber belt serving 8 that the source takes place as anion is installed on ventilating duct 9 leading edges that are positioned at housing (1) gas outlet 11, and is close to the impeller of extractor fan 10; The active carbon fiber belt serving 8 that the source takes place as anion is charing, activates high conductivity active carbon fiber belt serving completely, is felted or cloth shape; Described extractor fan is axial flow blower, centrifugal fan or fan; Box-shaped tube that described housing 1 is circular cylinder, cuboid tube or oval tube.
Operation principle of the present invention: foul atmosphere enters high adsorption multifunctional air purifier of the present invention, the lotus that becomes positively charged when passing the ionized region of one group of cation lead generation, and charged dust, hair etc. are caught to combine on the dust-collecting net; Pass the NACF base TiO of ground connection when air-flow
2Behind the photocatalysis layer, because of having certain electrical potential difference between the high adsorption of NACF and catalysis material band and charged pollutant, meetings such as positively charged bacterium, virus and pernicious gas are adsorbed on the NACF in large quantities, the pollution sources of a preenrichment are provided for the photocatalytic degradation process, improved light-catalysed efficient, photocatalytic degradation makes adsorbent obtain in-situ regeneration simultaneously, so, formed the benign circulation process of absorption of an absorption-photocatalytic degradation-adsorbent in-situ regeneration-again in the photocatalytic degradation device; Because of the high adsorption of NACF, the intermediate product that degraded produces will be adsorbed in photocatalyst surface, can not form secondary pollution; When air passes negative ion generating device, be with a large amount of electronics to form anion, discharged apace outside the housing, increase airborne negative ion concentration.The course of work of this clarifier as shown in Figure 4.
In sum, the course of work of the present invention comprises electronic dust-collecting, absorption-photocatalytic degradation-adsorbent in-situ regeneration, three main processes of negative aeroionization successively.Multiple function with control of dust, absorption and photocatalytic degradation bacterium, virus and organic matter pollution and negative aeroionization.
Description of drawings
Accompanying drawing 1 is that vertical (horizontal stroke) is to NACF base TiO
2The electron scanning micrograph of catalysis material band;
Accompanying drawing 2 is structural representations of high adsorption multifunctional air purifier provided by the invention;
Accompanying drawing 4 is photocatalytic degradation Principle of Process figure of the present invention;
Wherein: housing 1 slot 2 wire netting supports 3
Vertical NACF base TiO
2Catalysis material band 41 ultraviolet tubes 5
Horizontal NACF base TiO
2Catalysis material band 42
Dust-collecting net 6 cation leads 7 active carbon fiber belt serving 8
Enter gas 12 earth terminals 13
The specific embodiment
Describe the specific embodiment of the present invention in detail below in conjunction with accompanying drawing:
Described electronic dust-collecting device is made up of one group of cation lead 7 that is positioned at housing 1 air inlet 12 places and the dust-collecting net 6 that is positioned at described cation lead 7 rear portions, and this group cation lead 7 links to each other with the positive potential end of dc high-voltage source, constitutes ionized regions with dust-collecting net 6;
Described photocatalytic degradation device is positioned at the postposition of electronic dust-collecting device, comprise at least one group of ultraviolet tube 5 and be arranged in fluorescent tube 5 around vertical NACF base TiO
2 Catalysis material band 41 and horizontal NACF base TiO
2 Catalysis material band 42, wherein vertical NACF base TiO
2 Catalysis material band 41 ground connection, ultraviolet tube 5 is electrically connected with an external power supply;
Described negative ion generating device is positioned at the postposition of photocatalytic degradation device, forms by dc high-voltage source with as the active carbon fiber belt serving 8 in anion generation source; 11 places of giving vent to anger of the housing (1) of active carbon fiber belt serving 8 postposition are equipped with an extractor fan 10, and the negative potential end of described dc high-voltage source links to each other with active carbon fiber belt serving 8;
Described dust-collecting net 6 is stainless (steel) wire, aluminium net or copper mesh, is installed in the slot 2 that is fixed on the close air inlet on housing 1 inwall, and links to each other with earth terminal 13; Described vertical NACF base TiO
2 Catalysis material band 41 is to be carrier with the NACF silk, and one layer thickness is arranged is 50～200nm, coat uniform TiO in load on the filament
2Photocatalyst layer, TiO
2The photochemical catalyst crystal formation is single anatase phase; Vertical NACF base TiO
2 Catalysis material band 41 is felted or cloth shape; Described vertical NACF base TiO
2 Catalysis material band 41 is bonded to one with its wire netting support 3, is installed on the slot that is positioned at the dust-collecting net rear portion 2 that is fixed on housing 1 inwall, and links to each other with earth terminal 13; Described horizontal NACF base TiO
2 Catalysis material band 42 is to be carrier with the NACF silk, and one layer thickness is arranged is 50～200nm, coat uniform TiO in load on the filament
2Photocatalyst layer, TiO
2The photochemical catalyst crystal formation is single anatase phase; Described horizontal NACF base TiO
2 Catalysis material band 42 is installed on the end face and bottom surface of housing 1, and is parallel with air-flow direction; Described ultraviolet tube 5 is lower powered quartziferous fluorescent tube, wavelength X＜380nm; The active carbon fiber belt serving 8 that the source takes place as anion is installed on ventilating duct 9 leading edges that are positioned at housing (1) gas outlet 11, and is close to the impeller of extractor fan 10; The active carbon fiber belt serving 8 that the source takes place as anion is charing, activates high conductivity active carbon fiber belt serving completely, is felted or cloth shape; Described extractor fan is axial flow blower, centrifugal fan or fan; Box-shaped tube that described housing 1 is circular cylinder, cuboid tube or oval tube.
In the present invention, when air exhauster 10 actions, outside air is entered in the housing 1 by air inlet 12, behind the ionized region by 7 generations of one group of cation lead, on the pollutant band positive charge, behind the dust-collecting net 6 of the ground connection of flowing through, charged dust, hair etc. are caught to combine on the dust-collecting net 6; Charged foul atmosphere passes the NACF base TiO of ground connection again
2Behind the catalysis material band 41, by the high adsorption of this catalysis material and and charged pollutant between electrical potential difference, pollutant can be adsorbed onto on the NACF in large quantities, for the photocatalytic degradation process provides the pollution sources of a preenrichment, ultraviolet excitation TiO
2Photochemical catalyst produces hydroxyl radical free radical (OH) and superoxide anion free radical (O
- 2) etc. the strong oxidizing property species, the degraded adsorbed contaminants, simultaneously, NACF also obtains in-situ regeneration, so, formed the benign circulation process of an absorption-photocatalytic degradation-adsorbent in-situ regeneration-adsorb again in the photocatalysis space; When the air after the photocatalysis passed as the active carbon fiber belt serving 8 in anion generation source, airborne oxygen and hydrone etc. were with electronics to form anion, are discharged outside the housings 1 by extractor fan 10, enter the interior space.
Embodiment 1
The high adsorption multifunctional air purifying device of present embodiment, housing 1 are circular cylinder (certainly, also can be cuboid cartridge type or oval tube), are positioned over electronic dust-collecting device, photocatalytic degradation device and negative ion generating device in it successively;
Described electronic dust-collecting device is (certain by one group of cation lead 7 that is positioned at housing 1 air inlet 12 places and the stainless steel that is positioned at described cation lead 7 rear portions, also can be aluminium net or copper mesh) dust-collecting net 6 compositions, this group cation lead 7 links to each other with the positive potential end of dc high-voltage source, constitutes ionized region with dust-collecting net 6;
Described photocatalytic degradation device is positioned at the rear portion of electronic dust-collecting device, comprise at least one group of ultraviolet tube 5 and be arranged in fluorescent tube 5 around vertical NACF base TiO
2 Catalysis material band 41 and horizontal NACF base TiO
2 Catalysis material band 42, wherein vertical NACF base TiO
2 Catalysis material band 41 ground connection, ultraviolet tube 5 is electrically connected with an external power supply; The ultraviolet tube 5 of present embodiment is that wavelength is the quartziferous fluorescent tube of 254nm, joins with the external power supply of 220V; Described vertical NACF base TiO
2 Catalysis material band 41 and horizontal NACF base TiO
2 Catalysis material band 42 is made by following step:
1, commercially available polyacrylonitrile-radical (also can be sisal based, viscose glue base, asphaltic base or the phenolic resin-based activated carbon fiber) 30～50wt% of active carbon fibre Wesy concentrated nitric acid oxidation is handled 40～80min, spends deionised water then to neutral, oven dry;
2, the dried NACF of step 1 places in the molecular adsorption deposition device, is less than or equal to 1.0 * 10 at vacuum pressure
-2Pa, temperature are to keep 1～2 hour under 110～150 ℃ the condition; Be cooled to room temperature, feed pure TiCl to this molecular adsorption deposition device
4Steam to pressure is 10～20kPa, and keeps 1～1.5h, has adsorbed TiCl on the NACF
4
3, this molecular adsorption deposition device feeds excessive saturated vapor again, the TiCl that adsorbs on the NACF
4Hydrolysis generates the hydroxide of titanium, has obtained coating the NACF of the hydroxide of titanium;
4, the coating that obtains of step 3 NACF of hydroxide of titanium, under argon gas (also can be nitrogen) protective atmosphere, 600～700 ℃ of roastings 1～2 hour obtain vertical NACF base TiO
2 Catalysis material band 41 and horizontal NACF base TiO
2 Catalysis material band 42.
Described vertical NACF base TiO
2 Catalysis material band 41 and horizontal NACF base TiO
2 Catalysis material band 42 is felted (also can be cloth shape or paper shape), and specific area is more than or equal to 800m
2/ g.
Vertical NACF base TiO of present embodiment
2 Catalysis material band 41 is bonded to one with wire netting support 3, is installed in the slot 2 that is fixed on housing 1 inwall, and links to each other with earth terminal 13; The horizontal NACF base TiO of present embodiment
2 Catalysis material band 42 is installed on the end face and bottom surface of housing 1, and is parallel with air-flow direction;
Negative ion generating device is positioned at the rear portion of photocatalytic degradation device, forms by dc high-voltage source with as the active carbon fiber belt serving 8 in anion generation source; 11 places, gas outlet of the housing (1) at active carbon fiber belt serving 8 rear portions are equipped with an extractor fan 10, and the negative potential end of described dc high-voltage source links to each other with active carbon fiber belt serving 8; This is charing, activates high conductivity active carbon fiber belt serving completely as the active carbon fiber belt serving 8 that the source takes place anion, is felted (or cloth shape);
Adopt this high adsorption multifunctional air purifier purge volume to be about 45 meters
3(long 3.5 meters, wide 4 meters, high 3.2 meters) closed room, preestablish certain density dust (with cigarette dirt as background), sulfur dioxide, benzene, hydrogen sulfide and bacterium in this room, connecting power supply allows this clarifier operate 2 hours, measure the concentration of above pollutant, it is as follows to be purified efficient: dust is removed rate 92%, the degradation rate 86.6% of the degradation rate 93.5% of sulfur dioxide, the degradation rate 91.2% of benzene, hydrogen sulfide and the clearance 96.5% of bacterium, measuring negative ion concentration apart from about 30cm place, gas outlet (11) of clarifier is 5.67 * 10
4Individual/cm
3, measuring distance is that the negative ion concentration at 50cm place is 2.34 * 10
4Individual/cm
3
Claims (9)
1, a kind of high adsorption multifunctional air purifying device is characterized in that, comprises housing (1) and is positioned over housing (1) interior electronic dust-collecting device, photocatalytic degradation device and negative ion generating device successively;
Described electronic dust-collecting device is formed by being positioned at one group of cation lead (7) that housing (1) air inlet (12) locates and the dust-collecting net (6) that is positioned at described cation lead (7) rear portion, described cation lead (7) links to each other with the positive potential end of dc high-voltage source, constitutes ionized region with dust-collecting net (6);
Described photocatalytic degradation device is positioned at the rear portion of electronic dust-collecting device, comprise at least one group of ultraviolet tube (5) and be arranged in fluorescent tube (5) around vertical NACF base TiO
2Catalysis material band (41) and horizontal NACF base TiO
2Catalysis material band (42), wherein vertical NACF base TiO
2Catalysis material band (41) ground connection, ultraviolet tube (5) is electrically connected with an external power supply;
Described vertical NACF base TiO
2Catalysis material band (41) and horizontal NACF base TiO
2Catalysis material band (42) adopts molecular adsorption deposition-roasting technique preparation, and concrete steps are as follows:
1) commercially available polyacrylonitrile-radical, sisal based, viscose glue base, asphaltic base or phenolic resin-based activated carbon fiber-reactive charcoal fiber are handled 40～80min with 30～50wt% concentrated nitric acid oxidation, spend deionised water then to neutral, oven dry;
2) the dried NACF of step 1 places in the molecular adsorption deposition device, is less than or equal to 1.0 * 10 at vacuum pressure
-2Pa, temperature are to keep 1～2 hour under 110～150 ℃ the condition; Be cooled to room temperature, feed pure TiCl to this molecular adsorption deposition device
4Steam to pressure is 10～20kPa, and keeps 1～1.5h, has adsorbed TiCl on the NACF
4
3) this molecular adsorption deposition device feeds excessive saturated vapor again, the TiCl that adsorbs on the NACF
4Hydrolysis generates the hydroxide of titanium, has obtained coating the NACF of the hydroxide of titanium;
4) coating that obtains of step 3 NACF of hydroxide of titanium, under argon gas or nitrogen protection atmosphere, 600～700 ℃ of roastings 1～2 hour and obtain coating TiO
2The NACF of photocatalyst layer;
Described negative ion generating device is positioned at the rear portion of photocatalytic degradation device, forms by dc high-voltage source with as the active carbon fiber belt serving (8) in anion generation source; Gas outlet (11) in housing (1) is located, and an extractor fan (10) is installed at the rear portion of active carbon fiber belt serving (8), and the negative potential end of described dc high-voltage source links to each other with active carbon fiber belt serving (8).
2, high adsorption multifunctional air purifying device as claimed in claim 1, it is characterized in that, described dust-collecting net (6) is stainless (steel) wire, aluminium net or copper mesh, is installed in the slot (2) that is fixed on the close air inlet on housing (1) inwall, and links to each other with earth terminal (13).
3, high adsorption multifunctional air purifying device as claimed in claim 1 is characterized in that, described vertical NACF base TiO
2Catalysis material band (41) and horizontal NACF base TiO
2Catalysis material band (42) is to be carrier with the NACF silk, and one layer thickness is arranged is 50～200nm, coat uniform TiO in load on the filament
2Photocatalyst layer, TiO
2The photochemical catalyst crystal formation is single anatase phase.
4, high adsorption multifunctional air purifying device as claimed in claim 1 is characterized in that, described vertical NACF base TiO
2Catalysis material band (41) is bonded to one with its wire netting support (3), is installed on the slot that is positioned at the dust-collecting net rear portion (2) that is fixed on housing (1) inwall, and links to each other with earth terminal (13); Horizontal NACF base TiO
2Catalysis material band (42) is installed on the end face and bottom surface of housing (1), and is parallel with air-flow direction.
5, high adsorption multifunctional air purifying device as claimed in claim 1 is characterized in that, described ultraviolet tube (5) is lower powered quartziferous fluorescent tube, wavelength X＜380nm.
6, high adsorption multifunctional air purifying device as claimed in claim 1, it is characterized in that, the active carbon fiber belt serving (8) that the source takes place as anion is installed on ventilating duct (9) leading edge that is positioned at housing (1) gas outlet (11), and is close to the impeller of extractor fan (10).
7, high adsorption multifunctional air purifying device as claimed in claim 1 is characterized in that, the active carbon fiber belt serving (8) that the source takes place as anion is charing, activates high conductivity active carbon fiber belt serving completely, is felted or cloth shape.
8, high adsorption multifunctional air purifying device as claimed in claim 1 is characterized in that, described extractor fan is axial flow blower, centrifugal fan or fan.
9, high adsorption multifunctional air purifying device as claimed in claim 1 is characterized in that, described housing (1) is the box-shaped tube or the oval tube of cylindrical tube, cuboid tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310100485 CN1276224C (en) | 2003-10-17 | 2003-10-17 | Multifunctional air purifier with high adsorbability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310100485 CN1276224C (en) | 2003-10-17 | 2003-10-17 | Multifunctional air purifier with high adsorbability |
Publications (2)
| Publication Number | Publication Date |
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| CN1609523A CN1609523A (en) | 2005-04-27 |
| CN1276224C true CN1276224C (en) | 2006-09-20 |
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| CN 200310100485 Expired - Fee Related CN1276224C (en) | 2003-10-17 | 2003-10-17 | Multifunctional air purifier with high adsorbability |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11213777B2 (en) | 2019-09-06 | 2022-01-04 | Imam Abdulrahman Bin Faisal University | Titanium oxide-comprising fibrous filter material |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100545524C (en) * | 2004-06-28 | 2009-09-30 | 袁仕杰 | The cylindrical nanometer photoelectronic air purifier |
| CN101280943B (en) * | 2008-04-22 | 2010-06-02 | 浙江大学 | Apparatus for long-acting purifying indoor air combined pollution |
| CN102688656A (en) * | 2012-06-01 | 2012-09-26 | 秦皇岛裕源木业有限公司 | Air purification system |
| CN103271014B (en) * | 2013-05-24 | 2014-10-08 | 高云明 | Device for actively absorbing winged insects and purifying air and water |
| CN104958973A (en) * | 2015-06-24 | 2015-10-07 | 贵阳汽车工业技术学校 | Small-sized tower-shaped combined waste gas treatment device |
| CN105674400B (en) * | 2016-03-06 | 2019-04-09 | 淄博环能海臣环保技术服务有限公司 | A kind of air-conditioning plasma air purifying composite module |
| CN108928899A (en) * | 2016-06-06 | 2018-12-04 | 丽水市伊凡家模具科技有限公司 | A kind of Domestic environment-protection machine |
| CN107369369A (en) * | 2017-08-16 | 2017-11-21 | 北京科技大学 | A kind of device administered for the VOC photochemical catalytic oxidations of commerical test and teaching |
| CN110425658A (en) * | 2019-07-19 | 2019-11-08 | 兰州交通大学 | A kind of air cleaner with photo-catalysis function |
-
2003
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11213777B2 (en) | 2019-09-06 | 2022-01-04 | Imam Abdulrahman Bin Faisal University | Titanium oxide-comprising fibrous filter material |
| US11571644B2 (en) | 2019-09-06 | 2023-02-07 | Imam Abdulrahman Bin Faisal University | Cyclonic vehicular traffic pollution control system |
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