CN203533722U - All-direction air inlet air purification device - Google Patents
All-direction air inlet air purification device Download PDFInfo
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- CN203533722U CN203533722U CN201320480221.4U CN201320480221U CN203533722U CN 203533722 U CN203533722 U CN 203533722U CN 201320480221 U CN201320480221 U CN 201320480221U CN 203533722 U CN203533722 U CN 203533722U
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- air cleaning
- air
- tio
- reaction chamber
- cleaning unit
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- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
The utility model discloses an all-direction air inlet air purification device which comprises a body. An air inlet, an air outlet and air purification reaction cavities connected between the air inlet and the air outlet are formed in the body. Filtering devices are arranged in the air purification reaction cavities. The body is further provided with a drive device for providing air power. The all-direction air inlet air purification device is characterized in that multiple air purification reaction cavities are formed in the periphery of the body, and a photocatalysis reaction cavity is formed in the middle of the body. A photocatalysis purification device is arranged in the photocatalysis reaction cavity, and all the air purification reaction cavities and the photocatalysis reaction cavity are connected and share the same air outlet. The all-direction air inlet air purification device can remove dust in the air and can also remove peculiar smells such as the cigarette smell, the musty smell and the lampblack smell. When the air passes through the photocatalysis purification device, bacteria and viruses can also be killed, in addition, organic matter is oxidatively decomposed into small molecules such as CO2 and H2O, and secondary pollution is avoided.
Description
Technical field
The utility model relates to a kind of comprehensive air intake air cleaning unit, specifically a kind of can comprehensive air intake, applying nano TiO
2photocatalysis oxidation technique and absorption, the filtering technique air cleaning unit of polluter in the air of space such as combine in process chamber.
Background technology
People's most of the time in all one's life is all spent indoor.Research shows, the material that pollutes the air in the space such as indoor is mainly chemical substance, has formaldehyde, benzene, dimethylbenzene, ammonia, CO, CO
2, NO
x, SO
2and other VOCs (VOC) etc.In these spaces, the feature of air pollutants is complicated components, and the concentration of pollutant is low, but it is long to act on time of human body, very big to the health hazard of human body.
Indoor air cleaner is exactly for improving the device of IAQ, it is several that current main air cleaning unit mainly contains negative ion type, ozone oxidation breakdown and photocatalysis formula etc., yet, negative ion type is helpless to bacterial virus and chemical pollutant, ozone oxidation breakdown is not suitable for open place, and the concentration of ozone is crossed, and to be greater than human body also harmful.In recent years, TiO
2vOC in light catalytic purifying gas phase is a newer research field, has very large development space.Especially utilize TiO
2as the photocatalytic process of catalyst, reaction condition is gentle, and photodissociation is rapid, and product is CO substantially
2and H
2o, removes airborne organic pollution applicable to the space such as indoor, applied widely, comprises that the organic matters such as hydrocarbon, alcohol, aldehyde, ketone can pass through TiO
2photochemical catalytic oxidation is decomposed into odorless, harmless material, and airborne mould, germ etc. are also killed simultaneously.
Utility model content
For solving the existing problem of above-mentioned prior art, the purpose of this utility model be to provide a kind of can multi-faceted air intake, catalytic efficiency is high, catalytic activity good, the application electrical-conductive nanometer TiO of good purification
2composite photocatalyst oxidation technology and absorption, the filtering technique air cleaning unit of polluter in the air of space such as combine in process chamber.
To achieve these goals, the utility model provides a kind of comprehensive air intake air cleaning unit, comprise body, wherein body is provided with air inlet, gas outlet and be connected in air inlet and gas outlet between air cleaning reaction chamber, in air cleaning reaction chamber, be provided with filter, on body, be also provided with for aerodynamic drive unit is provided, it is characterized in that, described air cleaning reaction chamber has a plurality of, be located at the surrounding of body, in the middle of body, be provided with light-catalyzed reaction chamber, light-catalyzed reaction is provided with smell photocatalysis purifier in chamber, each air cleaning reaction chamber is connected with light-catalyzed reaction chamber and shares a gas outlet.
Preferably, filter comprises dust arrester, the active carbon filtering device setting gradually away from air inlet.
Preferably, smell photocatalysis purifier comprises that load has nano-TiO
2the TiO of photochemical catalyst
2nanometer film, at TiO
2the sidepiece of nanometer film is provided with light source generator.
Preferably, TiO
2in nanometer film, be loaded with predeterminated voltage, voltage range is 0.3～10V.
Preferably, drive unit is blower fan, has a plurality of blower fans to be installed in respectively each active carbon filtering device rear side in air cleaning reaction chamber.
Preferably, drive unit is blower fan, is installed in place, gas outlet.
Preferably, dust arrester is nanofiltration net.
Preferably, TiO
2the thickness range of nanometer film is 0.1～10mm.
Preferably, light source generator is ultraviolet source, and ultraviolet source is divided in light-catalyzed reaction chamber in the form of a ring, TiO
2nanometer film is column and is located in the middle of ultraviolet source.
Preferably, gas outlet is positioned at the top of body.
Air cleaning process of the present utility model is: the air that blower fan extracts in space enters air cleaning reaction chamber by air inlet, moving air is first removed airborne micronic dust through dust arrester, when passing through active carbon filtering device, the air of removal micronic dust can remove the peculiar smell such as airborne smoke, musty, oil smoke, enter subsequently smell photocatalysis purifier, flow through TiO
2during nanometer film, be arranged on the one hand TiO
2the ultraviolet killing pathogenic bacteria virus that the ultraviolet source of nanometer film sidepiece sends, is carried out nanometer photocatalytic purification: ultraviolet source irradiation has nano-TiO to load on the one hand
2the TiO of photochemical catalyst
2nanometer film surface, effectively excitation nano TiO
2photochemical catalyst produces electronics (e-) and hole (h+), electronics (e-) and hole (h+) can generate the hydroxyl radical free radical (OH) with extremely strong oxidability with water molecules, and hydroxyl radical free radical (OH) resolves into CO the oxidation operation that enters reaction chamber
2and H
2the little molecule such as O, non-secondary pollution.
Accompanying drawing explanation
Fig. 1 is the air cleaning unit stereogram of the present embodiment.
Fig. 2 is the transverse sectional view of the present embodiment.
Fig. 3 is the side sectional view of the present embodiment.
The specific embodiment
In order to set forth better technical characterstic of the present utility model and structure, below in conjunction with embodiment and accompanying drawing thereof, be described in detail, wherein, identical label represents identical parts all the time.
As shown in Figure 1, Figure 2 and Figure 3, be provided with air inlet 110 and gas outlet 120 on body 100, air cleaning reaction chamber 300 is located between air inlet 110 and gas outlet 120, take blower fan 200 as power source, and wherein blower fan 200 is centrifugal fan.When air cleaning unit is worked, under the driving of blower fan 200, air enters air cleaning reaction chamber 300 by the air inlet 110 on body 100.From air inlet 110, in air cleaning reaction chamber 300, be provided with successively dust arrester 310, active carbon filtering device 320, blower fan 200 and smell photocatalysis purifier 330, wherein dust arrester 310 is nanofiltration net, not only can high-effective dust-removing, and dust arrester 310 is arranged on to air inlet 110 places, this structure is also convenient to be pulled down dust arrester 310 to clean or change, and also can not impact miscellaneous part.Through dust arrester 310, remove after the impurity such as micronic dusts, more further remove the peculiar smell such as airborne smoke, musty, oil smoke during through active carbon filtering device 320, air is driven into smell photocatalysis purifier 330 through blower fan 200 subsequently.In addition, it is exactly to protect carrier of photocatalyst that active carbon filtering device 320 is arranged to smell photocatalysis purifier effect before, extends its service life, prevents its performance premature deterioration.In the present embodiment, smell photocatalysis purifier 330 is arranged on the centre position of body, the surrounding of body is respectively provided with a set of air inlet 110, dust arrester 310, active carbon filtering device 320 and blower fan, this structure can make the air of enclosure space enter into more efficiently air cleaning unit, improves purification efficiency.
First introduce TiO below
2photocatalysis mechanism.
Light-catalyzed reaction refer to have beche-de-mer without spike and in the situation that, occur in a kind of photochemical reaction and oxidation-reduction process between photochemical catalyst and Surface Contact thing thereof, its end product is CO
2, H
2o and other inorganic molecules material.
Under certain illumination condition, if the energy of photon is greater than TiO
2energy gap, the electronics (e-) in its valence band will be excited, and crosses forbidden band and enters conduction band, produces corresponding hole (h+) simultaneously in valence band.Photohole has very strong oxidability, and light induced electron has very strong reducing power, and they can discharge heat energy by direct combination, also can be combined with surperficial trap bit or with electron donor/acceptor generation redox reaction of adsorption.Hole is oxidation of organic compounds directly or indirectly, and generally carry out by hydroxyl radical free radical (OH) indirectly to organic oxidation in hole.Hydroxyl radical free radical (OH) is a kind of main active material of light-catalyzed reaction, and photochemical catalytic oxidation is played a decisive role.One of theoretical foundation of the present utility model that Here it is.
As shown in Figure 2, smell photocatalysis purifier 330 comprises that being provided with load has nano-TiO
2the TiO of photochemical catalyst
2nanometer film 332, and at described TiO
2in nanometer film 332, be loaded with predeterminated voltage, and light source generator is located at TiO
2the outside of nanometer film 332.In the present embodiment, light-catalysed excitation source is selected ultraviolet source 331, wherein ultraviolet source is arranged on to TiO
2nanometer film around, to can make ultraviolet ray be irradiated in all directions TiO
2nanometer film 332 surfaces, make light-catalyzed reaction more abundant, visible in figure, and ultraviolet source 331 is divided in light-catalyzed reaction chamber in the form of a ring, TiO
2nanometer film 332 is column and is located in the middle of ultraviolet source 331.
The air that enters smell photocatalysis purifier 330 flows through TiO
2during nanometer film 332, be arranged on the one hand TiO
2the ultraviolet killing pathogenic bacteria virus that nanometer film 332 ultraviolet source 331 around sends, is carried out nanometer photocatalytic purification: ultraviolet source 331 is irradiated to load nano-TiO on the one hand
2the TiO of photochemical catalyst
2nanometer film 332 surfaces, effectively excitation nano TiO
2photochemical catalyst produces electronics (e-) and hole (h+), electronics (e-) and hole (h+) can generate the hydroxyl radical free radical (OH) with extremely strong oxidability with water molecules, and hydroxyl radical free radical (OH) becomes CO the toxic organics matter oxidation Decomposition in space
2and H
2o, non-secondary pollution, the air after purification is discharged by gas outlet 120, reenters space, and then reaches deodorizing, antibacterial, the effect that purifies air.
TiO
2the thickness of nanometer film 332 is set to 0.1～10mm and is advisable, and air is by certain thickness TiO like this
2 nanometer film 332, makes it and loads on TiO
2tiO in nanometer film 332
2extend the time of contact of photochemical catalyst, and photocatalysis oxidation reaction is more abundant, strengthens air purification effect.Meanwhile, TiO
2in nanometer film 332, be loaded with predeterminated voltage, wherein voltage range is 0.3～10V.At TiO
2the electron distributions by change system of being actually nanometer application of loads on sealing membrane predeterminated voltage realizes, and increases the separation degree in light induced electron and hole, effectively suppresses the compound of light induced electron and hole, thereby has greatly improved catalytic activity.
In order to strengthen the effect of circulation of air, can also establish again a blower fan at place, gas outlet; Or in other embodiments, blower fan also can be located at separately place, gas outlet, all can reach the utility model object.
The comprehensive air intake air cleaning unit that the utility model provides, has the apparent advantages such as catalytic efficiency is high, catalytic activity good, good purification.
Although the utility model is described in detail and shows with reference to its exemplary embodiment, but will be understood by those skilled in the art that, in the situation that do not depart from the spirit and scope of the present utility model that are defined by the claims, can carry out to it various changes of form and details.
Claims (10)
1. a comprehensive air intake air cleaning unit, comprise body, wherein body is provided with air inlet, gas outlet and be connected in air inlet and gas outlet between air cleaning reaction chamber, in air cleaning reaction chamber, be provided with filter, on body, be also provided with for aerodynamic drive unit is provided, it is characterized in that, described air cleaning reaction chamber has a plurality of, be located at the surrounding of body, in the middle of body, be provided with light-catalyzed reaction chamber, light-catalyzed reaction is provided with smell photocatalysis purifier in chamber, each air cleaning reaction chamber is connected with light-catalyzed reaction chamber and shares a gas outlet.
2. air cleaning unit according to claim 1, is characterized in that, described filter comprises dust arrester, the active carbon filtering device setting gradually away from air inlet.
3. air cleaning unit according to claim 1, is characterized in that, described smell photocatalysis purifier comprises that load has nano-TiO
2the TiO of photochemical catalyst
2nanometer film, at TiO
2the sidepiece of nanometer film is provided with light source generator.
4. air cleaning unit according to claim 3, is characterized in that, described TiO
2in nanometer film, be loaded with predeterminated voltage, voltage range is 0.3～10V.
5. according to arbitrary described air cleaning unit in claim 1 to 4, it is characterized in that, described drive unit is blower fan, has a plurality of blower fans to be installed in respectively each active carbon filtering device rear side in air cleaning reaction chamber.
6. according to arbitrary described air cleaning unit in claim 1 to 4, it is characterized in that, described drive unit is blower fan, is installed in place, gas outlet.
7. air cleaning unit according to claim 2, is characterized in that, described dust arrester is nanofiltration net.
8. according to the air cleaning unit described in claim 3 or 4, it is characterized in that described TiO
2the thickness range of nanometer film is 0.1～10mm.
9. according to the air cleaning unit described in claim 3 or 4, it is characterized in that, described light source generator is ultraviolet source, and ultraviolet source is divided in light-catalyzed reaction chamber in the form of a ring, TiO
2nanometer film is column and is located in the middle of ultraviolet source.
10. air cleaning unit according to claim 9, is characterized in that, described gas outlet is positioned at the top of body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320480221.4U CN203533722U (en) | 2013-07-30 | 2013-07-30 | All-direction air inlet air purification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320480221.4U CN203533722U (en) | 2013-07-30 | 2013-07-30 | All-direction air inlet air purification device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203533722U true CN203533722U (en) | 2014-04-09 |
Family
ID=50419923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320480221.4U Expired - Fee Related CN203533722U (en) | 2013-07-30 | 2013-07-30 | All-direction air inlet air purification device |
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|---|---|
| CN (1) | CN203533722U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103388859A (en) * | 2013-07-30 | 2013-11-13 | 姚海宁 | All-dimensional inlet air purification device |
| CN104132437A (en) * | 2014-08-14 | 2014-11-05 | 上海嘉成轨道交通安全保障***股份公司 | Air inlet mechanism of air purification system and control method |
-
2013
- 2013-07-30 CN CN201320480221.4U patent/CN203533722U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103388859A (en) * | 2013-07-30 | 2013-11-13 | 姚海宁 | All-dimensional inlet air purification device |
| CN104132437A (en) * | 2014-08-14 | 2014-11-05 | 上海嘉成轨道交通安全保障***股份公司 | Air inlet mechanism of air purification system and control method |
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Addressee: Yao Haining Document name: Notification of Passing Examination on Formalities |
|
| DD01 | Delivery of document by public notice | ||
| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140409 Termination date: 20160730 |
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| CF01 | Termination of patent right due to non-payment of annual fee |