CN100423783C - Supersonic synergic nano light catalytic air-sterilizing-purifying apparatus - Google Patents
Supersonic synergic nano light catalytic air-sterilizing-purifying apparatus Download PDFInfo
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- CN100423783C CN100423783C CNB2006100428397A CN200610042839A CN100423783C CN 100423783 C CN100423783 C CN 100423783C CN B2006100428397 A CNB2006100428397 A CN B2006100428397A CN 200610042839 A CN200610042839 A CN 200610042839A CN 100423783 C CN100423783 C CN 100423783C
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Abstract
The present invention relates to an air sterilization and purification device with ultrasonic and nanometer light catalysis. An upper water storage tank is arranged at the upper part of a casing, and a lower water storage tank is arranged at the lower part of the casing, wherein the upper water storage tank is provided with a water inlet valve and a water level scale of the upper water storage tank, and a filter filled with water is arranged in the upper water storage tank; the lower water storage tank is provided with a water discharge valve and a water level scale of the lower water storage tank; the upper water storage tank is communicated with the lower water storage tank by a miniature water pump arranged on a water feeding pipe; a coarse filter net is arranged at the air inlet end in the casing; one to four bracket for energy converts, which are provided with ultrasonic air energy converters, are arranged on the downstream casing of the coarse filter net; the downstream casings of the ultrasonic air energy converters are provided with photocatalysis three-dimensional nets positioned below the filter; the lower ends of the photocatalysis three-dimensional nets are inserted in the lower water storage tank; a sound wave reflection plate and a sterilization ultraviolet lamp are arranged between the coarse filter net on the inner wall of the casing and the photocatalysis three-dimensional nets; photocatalysis ultraviolet lamps are arranged at the upstream positions and the downstream positions of the photocatalysis three-dimensional nets. The present invention has the advantages of high purification efficiency, high purification speed, no secondary pollution, etc., and can be used for the air purification in air conditioner pipelines or components of air purification devices.
Description
Technical field
The invention belongs to the air disinfection device technical field, be specifically related to supersonic synergic nano light catalytic air-sterilizing-purifying apparatus.
Background technology
The hazardness of room air pollution is known together by the whole society.Nano-photo catalytic is considered to one of the most promising air purifying process.But because the nano-photocatalyst photocatalysis quantum efficiency that can make at present is still very low, photocatalysis simultaneously is again a kind of typical surface-catalyzed reactions, promptly have only pollutant and nano-photocatalyst to contact its excellent catalysis characteristics of competence exertion closely, just because of these 2 and influenced the effective exploitation and the application of present nanometer photocatalytic air purifying technology.Adopting the collaborative purification efficiency that improves nano-photo catalytic of many field energys (electric field, magnetic field, microwave, low-temperature plasma and ultrasonic field etc.), is that present nanometer photocatalytic air purifying technology is ground one of important content of exploitation.Be used for that sewage sterilizing and purifying more report with ultrasonic and nano-photo catalytic are collaborative, and the report of using it for air disinfection and purification also seldom.Chinese invention patent ZL200310109078 provides a kind of ultrasonic atomization liquid nanometer photocatalyst, makes that air pollutants fully contact with nano-particle in the airflow line, and under optical excitation the method for catalytic degradation air pollutants.Though this method has certain effect, but the nano-particle of absorption pollutant is difficult to be effectively separated with straightforward procedure the air-flow from flow velocity faster, promptly very easily cause the higher nano-photocatalyst of cost to run off in a large number, have the potential danger that causes secondary pollution by nano-particle itself simultaneously.
Summary of the invention
Technical problem to be solved by this invention is to overcome the shortcoming of above-mentioned patent, provide a kind of reasonable in design, simple in structure, purification efficiency is high, purification speed is fast, the supersonic synergic nano light catalytic air-sterilizing-purifying apparatus of non-secondary pollution.
Addressing the above problem the technical scheme that is adopted is: aqua storage tank on upper surface is provided with outside housing, lower surface is provided with down aqua storage tank, last aqua storage tank is provided with water intaking valve and last aqua storage tank gauge, be provided with filter in the last aqua storage tank and water is housed, following aqua storage tank is provided with discharging valve and following aqua storage tank gauge, last aqua storage tank links by the micro pump that is installed on the upper hose with following aqua storage tank, inlet end one side is provided with coarse strainer in housing, coarse strainer airflow direction downstream housing is provided with 1～4 transducer mount that ultrasonic air transducer is installed, be provided with the photocatalysis three dimensional network that is positioned under the filter between aqua storage tank and the following aqua storage tank in housing on the housing of ultrasonic air transducer airflow direction downstream, insert in the following aqua storage tank lower end of photocatalysis three dimensional network, be provided with sound wave baffle-board and sterilizing viltalight lamp between inner walls coarse strainer and photocatalysis three dimensional network, the airflow direction upstream and the downstream of photocatalysis three dimensional network are provided with the photocatalysis uviol lamp.
The operating frequency of ultrasonic air transducer of the present invention is 20～25KHz, and power is 20～100W.Photocatalysis three dimensional network of the present invention is a porosity more than or equal to 95%, thickness is 5mm or 6mm or 10mm loaded with nano TiO
2The nickel foam of photocatalyst.
The profile of photocatalysis three dimensional network of the present invention is planar structure or lateral-cut structure or perpendicular ripple struction.
Lateral-cut structure of the present invention and perpendicular ripple struction are the plane or the sinusoidal wave forms that intersect that head and the tail are connected as a single entity.
A plane and an adjacent planar angle of lateral-cut structure of the present invention are 120 °～150 °, and a plane and an adjacent planar angle of perpendicular ripple struction are 60 °～150 °.The peak-to-peak height of the photocatalysis three dimensional network of sinusoidal wave structure of the present invention is 0.5～1 with wide ratio of cycle.
Sterilizing viltalight lamp of the present invention is provided with two at least.Photocatalysis uviol lamp of the present invention is provided with two at least.
The ultraviolet wavelength that sterilizing viltalight lamp of the present invention sent is 254nm, and the ultraviolet wavelength that the photocatalysis uviol lamp is sent is 365nm.
Filter of the present invention is sponge filter or fiber filter felt.
The present invention's hyperacoustic " coalescence dedusting " and ultrasound wave be used to degrade in same device " cavitation " Oxidation and nanometer photocatalytic air purifying of water pollutant is efficiently integrated, has guaranteed the high-effect of purifier.The photocatalysis three dimensional network is placed ultrasonic air transducer downstream, and the bulky grain pollutant that make ultrasonic " coalescence effect " form can have been significantly improved the efficiency of dust collection of purifier by the more effective Filtration Adsorption of photocatalysis three dimensional network.To descend the water in the aqua storage tank to be extracted in the aqua storage tank by micro pump, water in the last aqua storage tank flows to down in the aqua storage tank along the photocatalysis three dimensional network by filtering with flow-control, circulate with this, form the moisture film of stable sluggish flow from top to bottom on the surface of photocatalysis three dimensional network, moisture film can adhere to the particulate contaminants in the air-flow, the gaseous contaminant in the adsorption gas flow effectively, and make pollutant fully be enriched in the nano-photocatalyst surface, significantly improved light catalytic purifying usefulness.The moisture film on photocatalysis three dimensional network surface is given photocatalysis and ultrasonic synergistic purifying air pollution thing, has created ideal conditions.Be radiated in the process of ultrasound wave reflections propagate on the photocatalysis three dimensional network of photocatalysis three dimensional network, repeatedly penetrate the moisture film on the photocatalysis three dimensional network, in moisture film, form a large amount of bubbles by the ultrasonic cavitation effect, the High Temperature High Pressure that bubble produces in the collapse process, hydrone is decomposed generate a large amount of OH, the OH that itself and photocatalysis produce is efficiently collaborative, and fast purification is adsorbed on the pollutant on the photocatalysis three dimensional network.The sluggish flow of moisture film and cavitation effect of ultrasonic waves have been avoided the accumulation of dust on photocatalysis three dimensional network surface, have guaranteed that adsorbed contaminants contacts closely with photocatalyst all the time.Ultrasound wave and ultraviolet light in dictyosome inside efficiently reflection and the absorption of the photocatalysis three dimensional network that the present invention adopts to being radiated strengthened the utilization rate to ultrasound wave and ultraviolet light.Simultaneously photocatalysis three dimensional network surface light catalyst strong adhesion, reaction specific surface area big, to the pollutant high adsorption capacity, guaranteed its existing very high photocatalysis efficiency, can not cause secondary pollution again.The present invention adopts the adsorption cleaning material of clean water as pollutant, and not only cost is low, and does not produce any pollution.Reasonable in design, simple in structure, advantages such as purge segment is few, windage is little, purification efficiency is high, purification speed is fast, non-secondary pollution that the present invention has can be used for the air-conditioning duct air cleaning, also can be used as the core component of air cleaner.
Description of drawings
The structural representation of Fig. 1 embodiment of the invention 1.
Fig. 2 is the structural representation of photocatalysis three dimensional network 11 among Fig. 1.
Fig. 3 is the A-A cutaway view of Fig. 2.
The specific embodiment
The present invention is described in more detail below in conjunction with drawings and Examples, but the invention is not restricted to these embodiment.
Embodiment 1
In Fig. 1,2,3, the supersonic synergic nano light catalytic air-sterilizing-purifying apparatus of present embodiment by housing 1, coarse strainer 2, transducer mount 3, ultrasonic air transducer 4, sound wave baffle-board 5, sterilizing viltalight lamp 6, water intaking valve 7, go up aqua storage tank gauge 8, go up aqua storage tank 9, sponge filter 10, photocatalysis three dimensional network 11, upper hose 12, photocatalysis uviol lamp 13, micro pump 14, down aqua storage tank 15, aqua storage tank gauge 16, discharging valve 17 connect and constitute down.
The cross section of present embodiment housing 1 is a rectangular frame structure, aqua storage tank 9 on upper surface outside housing 1 has been fixedly connected with the screw threads for fastening connector, lower surface is with the screw threads for fastening connector aqua storage tank 15 that has been fixedly connected down, water intaking valve 7 is installed and is connected with aqua storage tank gauge 8 by thread connection on the last aqua storage tank 9 with the screw threads for fastening connector, last aqua storage tank 9 inner bottom parts are equipped with sponge filter 10, in the last aqua storage tank 9 water is housed, sponge filter 10 adopts and filters sponge, sponge filter 10 is an embodiment of filter, also available other filters are as the fiber filter felt.Sponge filter 10 is used for filtering water body particulate matter and control discharge, brings into operation and last aqua storage tank 9, down in the aqua storage tank 15 during water shortage, adds entry in water intaking valve 7 makes progress aqua storage tank 9 in the present invention.Discharging valve 17 is installed and is connected with down aqua storage tank gauge 16 by thread connection on the infra aqua storage tank 15 with the screw threads for fastening connector, following aqua storage tank gauge 16 is used to indicate down the water level in the aqua storage tank 15, and the water in the following aqua storage tank 15 can be emitted by discharging valve 17.Last aqua storage tank 9 links by upper hose 12 with following aqua storage tank 15, and micro pump 14 is installed on upper hose 12, starts micro pump 14, and micro pump 14 will descend the water in the aqua storage tank 15 to be extracted in the aqua storage tank 9.Inlet end one side is inserted coarse strainer 2 is installed in housing 1, and coarse strainer 2 is commercially available air-conditioning filter nets, and air to be clean enters from the air inlet of housing 1, removes thicker particulate pollutant in the air to be clean by coarse strainer 2 earlier.In housing 1 on the coarse strainer 2 downstream housings 1 with screw threads for fastening connector 2 transducer mounts 3 that have been fixedly connected, respectively be fixedly connected with the screw threads for fastening connector on the transducer mount 31 ultrasonic air transducer 4 is installed, the operating frequency of ultrasonic air transducer 4 is that 20～25KHz, power are 50W, and ultrasonic air transducer 4 is used for producing to the radiating ultrasound wave of air.Between housing 1 interior two ultrasonic air transducers 4,1 sterilizing viltalight lamp 6 is installed, 1 sterilizing viltalight lamp 6 is installed in the downstream of each ultrasonic air transducer 4, the ultraviolet wavelength that sterilizing viltalight lamp 6 is sent is 254nm, power is 30W, the ultraviolet that sterilizing viltalight lamp 6 is sent kills the pathogenic bacteria virus in the deacration.The particulate contaminants that enters ultrasonic air transducer 4 radiating ultrasonic wave ranges is under hyperacoustic " coalescence effect " effect, and coalescence becomes big granule rapidly.In housing 1 the airflow direction downstream housing 1 of ultrasonic air transducer 4 on be interspersed with housing 1 between aqua storage tank 9 and the following aqua storage tank 15 photocatalysis three dimensional network 11 be installed, the upper end of photocatalysis three dimensional network 11 is arranged in sponge filter, and aqua storage tank 15 is down inserted in 10 times, lower end.The photocatalysis three dimensional network 11 of present embodiment is a porosity more than or equal to 95%, thickness is 6mm loaded with nano TiO
2The nickel foam of photocatalyst, profile are planar structure.The airflow direction upstream and downstream of photocatalysis three dimensional network 11 is separately installed with 2 photocatalysis uviol lamps 13 in housing 1, and power is 20W, and the ultraviolet wavelength that photocatalysis uviol lamp 13 is sent is 365nm, and ultraviolet is a nano-TiO on the photocatalysis three dimensional network 11
2Photocatalyst provides exciting light.Water in the last aqua storage tank 9 makes it slowly flow to down aqua storage tank 15 along photocatalysis three dimensional network 11 through sponge filter 10 filtrations and flow-control, water flows from top to bottom on photocatalysis three dimensional network 11 and forms water membrane, moisture film can adhere to the particulate contaminants in the air-flow, the gaseous contaminant in the adsorption gas flow effectively, makes pollutant fully be enriched in nano-TiO
2Photocatalyst surface has improved light-catalysed purification efficiency.Between housing 1 inwall, four side coarse strainers 2 and photocatalysis three dimensional network 11, respectively be fixedly connected sound wave baffle-board 5 is installed with the screw threads for fastening connector, sound wave baffle-board 5 is the stainless steel wave card, sound wave baffle-board 5 is used for ultrasonic air transducer 4 radiating ultrasonic reflections to housing 1 interior and photocatalysis three dimensional network 11, be radiated in the process of ultrasound wave reflections propagate on photocatalysis three dimensional network 11 of photocatalysis three dimensional network 11, repeatedly penetrate the moisture film on the photocatalysis three dimensional network 11, in moisture film, form a large amount of bubbles by the ultrasonic cavitation effect, the High Temperature High Pressure that bubble produces in the collapse process, hydrone is decomposed generate a large amount of OH, the OH that itself and photocatalysis produce is efficiently collaborative, and fast purification is adsorbed on the pollutant on the photocatalysis three dimensional network 11.The sluggish flow and the ultrasonic cavitation of moisture film have been avoided the accumulation of grit on photocatalysis three dimensional network 11 surfaces simultaneously, have guaranteed that adsorbed contaminants contacts closely with photocatalyst all the time.Ultrasonic air transducer 4 radiating ultrasound wave with superposeed in the space by the ultrasound wave of housing 1 inwall sound wave baffle-board 5 reflected backs, make ultrasonic coalescence effect strengthen to particulate pollutant in the air, and cause that particulate pollutant is at the space high vibration, increased its absorption, made the more effective viral pathogenic bacteria that kills load on the particle-removing pollutant of ultraviolet light ultraviolet light.Discharge by the outlet of housing 1 through cleaned air passes.
Embodiment 2
In the present embodiment, in housing 1 on the coarse strainer 2 airflow direction downstream housings 1 with screw threads for fastening connector 4 transducer mounts 3 that have been fixedly connected, respectively be fixedly connected with the screw threads for fastening connector on the transducer mount 31 ultrasonic air transducer 4 is installed, the operating frequency of ultrasonic air transducer 4 is 20～25KHz, and power is 20W.The lamp of 1 sterilization ultraviolet is installed in the downstream of each ultrasonic air transducer 4, and the power 20W of sterilizing viltalight lamp, the ultraviolet wavelength that is sent are 254nm.Photocatalysis three dimensional network 11 is porositys more than or equal to 95%, thickness is 5mm loaded with nano TiO
2The nickel foam of photocatalyst, photocatalysis three dimensional network 11 is a plane-shaped structure, the airflow direction upstream of photocatalysis three dimensional network 11 and airflow direction downstream respectively are equipped with 1 photocatalysis uviol lamp 13, and the power of photocatalysis uviol lamp 13 is 30W, and the ultraviolet wavelength that photocatalysis uviol lamp 13 is sent is 365nm.The connecting relation of other parts and parts is identical with embodiment 1.
In the present embodiment, in housing 1 on the coarse strainer 2 airflow direction downstream housings 1 with screw threads for fastening connector 1 transducer mount 3 that has been fixedly connected, respectively be fixedly connected with the screw threads for fastening connector on the transducer mount 31 ultrasonic air transducer 4 is installed, the operating frequency of ultrasonic air transducer 4 is 20～25KHz, and power is 100W.The lamp of 2 sterilization ultraviolets is installed in the downstream of ultrasonic air transducer 4, and the power 30W of sterilizing viltalight lamp, the ultraviolet wavelength that is sent are 254nm.Photocatalysis three dimensional network 11 is porositys more than or equal to 95%, thickness is 10mm loaded with nano TiO
2The nickel foam of photocatalyst, photocatalysis three dimensional network 11 is a plane-shaped structure, the upstream and downstream of photocatalysis three dimensional network 11 respectively is equipped with 3 photocatalysis uviol lamps 13, and the power of photocatalysis uviol lamp 13 is 20W, and the ultraviolet wavelength that photocatalysis uviol lamp 13 is sent is 365nm.The connecting relation of other parts and parts is identical with embodiment 1.
In above embodiment 1～3, the profile of photocatalysis three dimensional network 11 is the lateral-cut structure, and a plane and an adjacent planar angle of the photocatalysis three dimensional network 11 of lateral-cut structure are 120 °.The connecting relation of other parts and parts is identical with respective embodiments.
In above embodiment 1～3, the profile of photocatalysis three dimensional network 11 is the lateral-cut structure, and a plane and an adjacent planar angle of the photocatalysis three dimensional network 11 of lateral-cut structure are 135 °.The connecting relation of other parts and parts is identical with respective embodiments.
In above embodiment 1～3, the profile of photocatalysis three dimensional network 11 is the lateral-cut structure, and a plane and an adjacent planar angle of the photocatalysis three dimensional network 11 of lateral-cut structure are 150 °.The connecting relation of other parts and parts is identical with respective embodiments.
In above embodiment 1～3, the profile of photocatalysis three dimensional network 11 is perpendicular ripple struction.A plane and an adjacent planar angle of the photocatalysis three dimensional network 11 of perpendicular ripple struction are 120 °.The connecting relation of other parts and parts is identical with respective embodiments.
In above embodiment 1～3, the profile of photocatalysis three dimensional network 11 is perpendicular ripple struction.A plane and an adjacent planar angle of the photocatalysis three dimensional network 11 of perpendicular ripple struction are 60 °.The connecting relation of other parts and parts is identical with respective embodiments.
In above embodiment 1～3, the profile of photocatalysis three dimensional network 11 is perpendicular ripple struction.A plane and an adjacent planar angle of the photocatalysis three dimensional network 11 of perpendicular ripple struction are 150 °.The connecting relation of other parts and parts is identical with respective embodiments.
In above embodiment 1～3, the profile of photocatalysis three dimensional network 11 is horizontal sinusoidal wave structure, also can be vertical sinusoidal wave structure, and the peak-to-peak height of sinusoidal wave structure photocatalysis three dimensional network 11 and cycle, wide ratio was 0.75.The connecting relation of other parts and parts is identical with respective embodiments.
In above embodiment 1～3, the profile of photocatalysis three dimensional network 11 is horizontal sinusoidal wave structure, also can be vertical sinusoidal wave structure, and the peak-to-peak height of sinusoidal wave structure photocatalysis three dimensional network 11 and cycle, wide ratio was 0.5.The connecting relation of other parts and parts is identical with respective embodiments.
In above embodiment 1～3, the profile of photocatalysis three dimensional network 11 is horizontal sinusoidal wave structure, also can be vertical sinusoidal wave structure, and the peak-to-peak height of sinusoidal wave structure photocatalysis three dimensional network 11 and cycle, wide ratio was 1.The connecting relation of other parts and parts is identical with respective embodiments.
Also can design the supersonic synergic nano light catalytic air-sterilizing-purifying apparatus of another concrete structure according to above-mentioned principle; determining of the number of ultrasonic air transducer 4, sterilizing viltalight lamp 6, photocatalysis uviol lamp 13; determining of the power of ultrasonic air transducer 4, sterilizing viltalight lamp 6, photocatalysis uviol lamp 13; should specifically according to the size of intake and housing 1 air flow inlet end face determine, but all within protection scope of the present invention.
Claims (8)
1. supersonic synergic nano light catalytic air-sterilizing-purifying apparatus, it is characterized in that: upper surface is provided with aqua storage tank (9) outside housing (1), lower surface is provided with down aqua storage tank (15), last aqua storage tank (9) is provided with water intaking valve (7) and last aqua storage tank gauge (8), be provided with filter and water is housed in the last aqua storage tank (9), following aqua storage tank (15) is provided with discharging valve (17) and following aqua storage tank gauge (16), last aqua storage tank (9) links by the micro pump (14) that is installed on the upper hose (12) with following aqua storage tank (15), inlet end one side is provided with coarse strainer (2) in housing (1), coarse strainer (2) airflow direction downstream housing (1) is provided with 1～4 transducer mount (3) that ultrasonic air transducer (4) is installed, be provided with the photocatalysis three dimensional network (11) that is positioned under the filter between last aqua storage tank (9) in housing (1) on ultrasonic air transducer (4) the airflow direction downstream housing (1) and the following aqua storage tank (15), insert in the following aqua storage tank (15) lower end of photocatalysis three dimensional network (11), be provided with sound wave baffle-board (5) and sterilizing viltalight lamp (6) between housing (1) inwall coarse strainer (2) and photocatalysis three dimensional network (11), the airflow direction upstream of photocatalysis three dimensional network (11) and downstream are provided with photocatalysis uviol lamp (13).
2. according to the described supersonic synergic nano light catalytic air-sterilizing-purifying apparatus of claim 1, it is characterized in that: the operating frequency of said ultrasonic air transducer (4) is 20～25KHz, and power is 20～100W; Said photocatalysis three dimensional network (11) is a porosity more than or equal to 95%, thickness is 5mm or 6mm or 10mm loaded with nano TiO
2The nickel foam of photocatalyst.
3. according to claim 1 or 2 described supersonic synergic nano light catalytic air-sterilizing-purifying apparatus, it is characterized in that: the profile of said photocatalysis three dimensional network (11) is planar structure or lateral-cut structure or perpendicular ripple struction.
4. according to the described supersonic synergic nano light catalytic air-sterilizing-purifying apparatus of claim 3, it is characterized in that: said lateral-cut structure and perpendicular ripple struction are the plane or the sinusoidal wave forms that intersect that head and the tail are connected as a single entity.
5. according to the described supersonic synergic nano light catalytic air-sterilizing-purifying apparatus of claim 4, it is characterized in that: a plane and an adjacent planar angle of said lateral-cut structure are 120 °～150 °, and a plane and an adjacent planar angle of perpendicular ripple struction are 60 °～150 °; The peak-to-peak height of the photocatalysis three dimensional network (11) of said sinusoidal wave structure is 0.5～1 with wide ratio of cycle.
6. according to the described supersonic synergic nano light catalytic air-sterilizing-purifying apparatus of claim 1, it is characterized in that: said sterilizing viltalight lamp (6) is provided with two at least; Said photocatalysis uviol lamp (13) is provided with two at least.
7. according to claim 1 or 6 described supersonic synergic nano light catalytic air-sterilizing-purifying apparatus, it is characterized in that: the ultraviolet wavelength that said sterilizing viltalight lamp (6) is sent is 254nm, and the ultraviolet wavelength that photocatalysis uviol lamp (13) is sent is 365nm.
8. according to the described supersonic synergic nano light catalytic air-sterilizing-purifying apparatus of claim 1, it is characterized in that: said filter is sponge filter (10) or fiber filter felt.
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| CNB2006100428397A CN100423783C (en) | 2006-05-19 | 2006-05-19 | Supersonic synergic nano light catalytic air-sterilizing-purifying apparatus |
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| CNB2006100428397A CN100423783C (en) | 2006-05-19 | 2006-05-19 | Supersonic synergic nano light catalytic air-sterilizing-purifying apparatus |
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| CN100423783C true CN100423783C (en) | 2008-10-08 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102506468B (en) * | 2011-11-16 | 2014-02-19 | 上海交通大学 | High-energy ultrasonic coupling photocatalytic air purification system |
| KR101916883B1 (en) * | 2011-12-28 | 2018-11-09 | 코웨이 주식회사 | Sterilization module using ultrasound and photocatalyst |
| CN103566501A (en) * | 2012-08-06 | 2014-02-12 | 上海广茂达光艺科技股份有限公司 | Ultraviolet disinfection face mask |
| CN108785721A (en) * | 2017-04-28 | 2018-11-13 | 圆融医疗设备（深圳）有限公司 | A kind of gaseous sterilization device |
| CN107631375A (en) * | 2017-11-09 | 2018-01-26 | 江苏森蝶环保科技有限公司 | A kind of device purified with quantum stage electricity coagulating technique to air |
| CN109529612B (en) * | 2018-12-25 | 2021-08-03 | 上海师范大学 | Wall-mounted photocatalytic air purification device and application method thereof |
| US11406937B2 (en) * | 2019-05-17 | 2022-08-09 | Calsonic Kansei North America, Inc. | Photocatalytic filtration in vehicle HVAC system |
| CN113058065A (en) * | 2021-03-25 | 2021-07-02 | 西安医学院 | Nano-photocatalyst sterilization reactor |
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| CN2612886Y (en) * | 2003-04-18 | 2004-04-21 | 武汉大学 | Air-purifying facility for oxygen bar |
| CN1669587A (en) * | 2004-03-17 | 2005-09-21 | 森岛(上海)电气有限公司 | Indoor air purifier with high efficiency |
| JP2005331190A (en) * | 2004-05-21 | 2005-12-02 | Ueno Kogyo Kk | Ventilator |
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