CN202761767U - Photocatalyst air purifying device - Google Patents
Photocatalyst air purifying device Download PDFInfo
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- CN202761767U CN202761767U CN201220432850.5U CN201220432850U CN202761767U CN 202761767 U CN202761767 U CN 202761767U CN 201220432850 U CN201220432850 U CN 201220432850U CN 202761767 U CN202761767 U CN 202761767U
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Abstract
The utility model provides a photocatalyst air purifying device which comprises a light source and photocatalyst carriers. Photocatalyst layers are arranged on the photocatalyst carriers. The photocatalyst air purifying device is characterized in that the photocatalyst carriers are arranged in a layering mode, layers are parallel spatially, and the photocatalyst carriers among the layers are arrange in a staggered mode. The light source irradiates the photocatalyst carriers. The photocatalyst air purifying device is high in illumination efficiency and good in air purifying effect.
Description
Technical field
This utility model relates to a kind of air cleaner, particularly a kind of Photocatalyst air purification device.
Background technology
Photocatalyst material is the semi-conductive general name with photo-catalysis function of a class take TiO2 as representative, can under the rayed condition, electronics be excited, oxygen and water molecule reaction form the extremely strong hydroxyl free radical of oxidizing force in the electronics that forms and hole and the air, can catch and kill airborne antibacterial, thus the purpose that the degradable organic pollutant realization purifies air.The bottleneck of present existing photocatalyst air purifying technology is that the quantum efficiency of catalytic reaction is low, the effective electron that namely produces or the ratio of hole and incident photon are low, have the low defective of light source utilization rate, the quantum efficiency that improves light-catalyzed reaction is to improve the key of photocatalyst air purifying technology.In the existing Photocatalyst air purifying equipment, improve photocatalyst reaction efficient and guarantee that throughput is a pair of insurmountable contradiction, can only select one at both.At present, photocatalyst supports body structure (photocatalyst material supports in photocatalyst and supports on the body) and usually adopts to be arranged vertically with parallel collocation with illumination and be arranged vertically two kinds of arrangements in existing product: 1, photocatalyst supports body and adopts the arrangement vertical with illumination, photocatalyst supported body and was divided into two kinds of network structure and spongiosiss this moment, network structure (mostly adopts monolayer plane reticular structure, perhaps simply with monolayer overlapping be multilamellar, between layers not structural change) is difficult to effectively guaranteeing throughput under the photocatalyst reaction efficient that air purification effect can not take full advantage of material although spongiosis has preferably; 2, photocatalyst supports body and adopts the vertical arrangement of parallel collocation with illumination, is great waste to materials'use, and photocatalyst reaction efficient is low.
Existing studies show that light-catalyzed reaction mainly occurs in surface or the nearly surface of photocatalyst material, in traditional design, air-flow is simply to pass photocatalysis to support body, and the pollutant in the gas are difficult to contact with hydroxyl free radical fully and be purified.In the traditional design, gas flow rate, the efficiency of light energy utilization and stock utilization can be sacrificed in order to obtain preferably air purification effect, environmental requirement can not be satisfied far away.
The utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, a kind of Photocatalyst air purification device is provided, in this air cleaner, it is not to take simple overlapping arrangement of the prior art that photocatalyst supports body, but the employing staggered pattern increases the frequency of exposure that air and photocatalyst support body, and the while also is conducive to light source and fully is radiated at photocatalyst and supports on the body, for the reaction efficiency of photocatalyst and the effect of air cleaning, all increase significantly.
The purpose of this utility model is realized by following technical proposals: a kind of Photocatalyst air purification device, comprise that light source and photocatalyst support body, photocatalyst supports and is provided with photocatalyst layer on the body, it is characterized in that, described photocatalyst supports body layering setting, space parallel between layers, photocatalyst between layers supports body and is staggered; Described light source irradiation supports on the body at photocatalyst.
By as above scheme, light source can be radiated at fully photocatalyst and support on the body, rather than as traditional simple superposition mode, light source can only be radiated at the photocatalyst that is positioned at the top layer and support body, and therefore the reaction efficiency of light source utilization rate and photocatalyst can be provided greatly.Because photocatalyst supports body and is staggered, and allows photocatalyst material better contact with airborne pollutant and to react, and can guarantee air velocity, is conducive to improve the effect of air cleaning.
More particularly, described photocatalyst between layers supports body and is staggered and one of refers in the following way to arrange: the photocatalyst between the ⑴ adjacent two layers supports body to be had overlappingly in conplane upright projection, it is parallel that the plane at upright projection place and photocatalyst support the body sheaf space; ⑵ the photocatalyst of n layer supports body and supports body and have overlapping in conplane upright projection with (n+2) photocatalyst of layer, the photocatalyst of n layer supports body and is adjacent the photocatalyst of layer to support body not overlapping in conplane upright projection, wherein n is natural number, and it is parallel that the plane at upright projection place and photocatalyst support the body sheaf space; ⑶ it is all not overlapping in conplane upright projection that any two-layer photocatalyst supports body, and whole photocatalysts supports body and realize seamless connection in conplane upright projection, and it is parallel that the plane at upright projection place and photocatalyst support the body sheaf space.
In ⑴ kind mode, the photocatalyst of adjacent two layers supports body and not exclusively overlaps; In ⑵ kind mode, adjacent two layers is not overlapping, and interlayer is overlapping; In ⑶ kind mode, but supporting body, photocatalyst can realize not overlapping seamless connection on same upright projection plane, suppose that namely it is that square, all photocatalyst supports body and forms square or a plurality of Quad Sides along being connected in conplane upright projection that photocatalyst supports body; This mode also is the highest to the utilization rate of light source.
As preferably, in described ⑶ kind mode, photocatalyst support body be provided with two-layer more than, every layer photocatalyst supports body and all arranges more than two, the photocatalyst in every layer supports the parallel and identical setting of spacing of body, it is all identical that all photocatalysts support body.The photocatalyst air purifying module just has enough air-filtering abilities like this.
Preferred as another, in described ⑶ kind mode, photocatalyst supports body and is provided with two-layerly, and what two-layer photocatalyst supported body is connected to form the identical square-wave-shaped of waveform, and two-layer photocatalyst supports the highest plane and the k level that body lays respectively at square-wave-shaped.The light source irradiation area is less like this, but also has taken into account the optimization of throughput.
Described two-layer photocatalyst supports vertical dimension H=(1/2 between the body～1/3) D1, wherein D1 refers to that adjacent two photocatalysts in the same layer support the vertical dimension between the body.Such interfloor distance, air purification efficiency is the highest.
Above-mentioned photocatalyst supports body and is comprised of bottom and top layer, and the bottom that described photocatalyst supports body is a flat board, and the top layer is the some rectangular pyramids that are arranged on the flat board.Such project organization has increased the contact area of air and photocatalyst material, Effective Raise the efficient of light-catalyzed reaction.
Described light source vertical irradiation supports on the body at photocatalyst; Described light source refers to the ultraviolet light area source.Illumination is even like this, and light-catalyzed reaction efficient is high.
Described photocatalyst supports body and adopts pottery to make, and described photocatalyst layer is nanometer titanium dioxide layer.
Described photocatalyst supports the two-sided photocatalyst layer that arranges on the body, and described light source respectively vertical irradiation supports the two sides of body at photocatalyst.Such project organization has increased the contact area of air and photocatalyst material, Effective Raise the efficient of light-catalyzed reaction.
This air cleaner also comprises housing, air intake, gas outlet and power supply, and described photocatalyst supports body and light source is arranged in the housing, and air intake and gas outlet are arranged on the housing, and described power supply is electrically connected with light source.
This utility model possesses following outstanding advantages and effect with respect to prior art:
1, Photocatalyst air purification device of the present utility model, creatively propose photocatalyst and supported the staggered mode of body layering, greatly improved light efficiency, and allow photocatalyst material better contact with airborne pollutant and to react, and can guarantee air velocity, be conducive to provide the effect of air cleaning.
2, in the Photocatalyst air purification device of the present utility model, photocatalyst supports the top layer of body for being designed to four prismatics, and such project organization has increased the contact area of air and photocatalyst material, Effective Raise the efficient of light-catalyzed reaction.
3, in the Photocatalyst air purification device of the present utility model, photocatalyst supports the two-sided photocatalyst layer that arranges on the body, and light source respectively vertical irradiation supports the two sides of body at photocatalyst.Such project organization has not only improved light efficiency, has also increased the contact area of air and photocatalyst material, and the efficient of Effective Raise light-catalyzed reaction has been strengthened air purification effect.
Description of drawings
Fig. 1 is a kind of arrangement sketch map that photocatalyst supports body in this utility model Photocatalyst air purification device;
Fig. 2 is the another kind arrangement sketch map that photocatalyst supports body in this utility model Photocatalyst air purification device;
Fig. 3 is another arrangement sketch map that photocatalyst supports body in this utility model Photocatalyst air purification device;
Fig. 4 is another arrangement sketch map that photocatalyst supports body in this utility model Photocatalyst air purification device;
Fig. 5 is the distribution schematic diagram that is supported body by air cleaner Air, illumination and the photocatalyst at arrangement shown in Figure 4 place;
Fig. 6 is the structural representation that photocatalyst supports surface layer.
The specific embodiment
Below in conjunction with embodiment this utility model is described in further detail, but embodiment of the present utility model is not limited to this.
Embodiment one
Comprise three photocatalysts in the Photocatalyst air purification device of the present utility model and support body and light source, photocatalyst supports and is provided with photocatalyst layer on the body, photocatalyst supports body and adopts pottery to make, photocatalyst layer is nanometer titanium dioxide layer, light source adopts the ultraviolet light area source, and light source irradiation supports on the body at photocatalyst.As shown in Figure 1, photocatalyst supports body and adopts in such a way and be staggered: three photocatalysts support body three layers of arrangement in 40 minutes, space parallel between layers, photocatalyst between the adjacent two layers supports body 40 has overlapping (plane at upright projection place with photocatalyst support the body sheaf space parallel) in conplane upright projection, but not exclusively overlaps.
The photocatalyst of this arrangement supports body and light source is arranged in the housing of air cleaner, also sets into QI KOU and gas outlet on housing, and light source connects power supply.During work, the air that enters from air intake directly impacts the upper surface that I layer photocatalyst supports body, and portion of air flows out from the gas outlet after supporting the body lower surface through the photocatalyst of I layer; A part continues to impact the upper surface that II layer photocatalyst supports body, then air continues shunting: portion of air flows out from the gas outlet support the lower surface of body through I layer photocatalyst after, a part continues to impact the upper surface that III layer photocatalyst supports body, this moment, portion of air flowed out from the gas outlet via the lower surface that II layer photocatalyst supports body, and another part air flows out from the gas outlet support the lower surface of body through III layer photocatalyst after.Air just can be fully supports the body haptoreaction with the photocatalyst of every one deck like this, and light source also can be radiated at fully photocatalyst and support on the body.
Preferred mode is, photocatalyst supports body and is comprised of bottom and top layer, the bottom that photocatalyst supports body is a flat board, the top layer is the some rectangular pyramid photocatalyst layers (as shown in Figure 6) that are arranged on the flat board, such project organization has increased the contact area of air and photocatalyst material, Effective Raise the efficient of light-catalyzed reaction.
Preferred mode is: such photocatalyst layer supports two-sided setting on the body (being that upper and lower surface is provided with photocatalyst layer) at photocatalyst, light source is radiated at simultaneously photocatalyst and supports the two-sided of body, air all can react when supporting the upper and lower surface of body through photocatalyst like this, improves the effect that purifies air.
If need and the space permission, the photocatalyst layer more than four layers can be set, also can arrange according to this, the photocatalyst that arranges more than two at every one deck supports body.
Embodiment two
Photocatalyst air purification device of the present utility model comprises three photocatalysts and supports body and light source, photocatalyst supports and is provided with photocatalyst layer on the body, photocatalyst supports body and adopts pottery to make, photocatalyst layer is nanometer titanium dioxide layer, light source adopts the ultraviolet light area source, and light source irradiation supports on the body at photocatalyst.As shown in Figure 2, photocatalyst supports body and adopts in such a way and be staggered: three photocatalysts support body three layers of arrangement in 40 minutes, space parallel between layers, photocatalyst between the adjacent two layers supports body 40 does not have overlapping (plane at upright projection place with photocatalyst support the body sheaf space parallel) in conplane upright projection, the photocatalyst of interlayer (such as I layer and III layer) supports body 40 to be had overlappingly in conplane upright projection, but do not overlap.
The photocatalyst of this arrangement supports body and light source is arranged in the housing of air cleaner, also sets into QI KOU and gas outlet on housing, and light source connects power supply.During work, the air that enters from air intake directly impacts the upper surface that I layer photocatalyst supports body, and portion of air flows out from the gas outlet after supporting the body lower surface through the photocatalyst of I layer; A part continues to impact the upper surface that III layer photocatalyst supports body, and sub-fraction can impact the upper surface that II layer photocatalyst supports body; Impact the upper surface air that II layer photocatalyst supports body, a part flows out from the gas outlet after supporting the lower surface of body through II layer photocatalyst, and another part continues to impact the upper surface that III layer photocatalyst supports body; Directly impact III layer photocatalyst support body upper surface air and flow through to arrive the air that III layer photocatalyst supports the body upper surface by the lower surface that II layer photocatalyst supports body, flow out from the gas outlet support the lower surface of body through III layer and/or II layer photocatalyst after.Just can be fully support the body haptoreaction with the photocatalyst of every one deck through such air, light source also can be radiated at fully photocatalyst and support on the body.
Preferred mode is, photocatalyst supports body and is comprised of bottom and top layer, the bottom that photocatalyst supports body is a flat board, the top layer is the some rectangular pyramid photocatalyst layers (as shown in Figure 6) that are arranged on the flat board, such project organization has increased the contact area of air and photocatalyst material, Effective Raise the efficient of light-catalyzed reaction.
Preferred mode is: such photocatalyst layer supports two-sided setting on the body (being that upper and lower surface is provided with photocatalyst layer) at photocatalyst, light source is radiated at simultaneously photocatalyst and supports the two-sided of body, air all can react when supporting the upper and lower surface of body through photocatalyst like this, improves the effect that purifies air.
If need and the space permission, also can arrange according to this, the photocatalyst that arranges more than two at every one deck supports body.
Embodiment three
Photocatalyst air purification device of the present utility model comprises four photocatalysts and supports body and light source, photocatalyst supports and is provided with photocatalyst layer on the body, photocatalyst supports body and adopts pottery to make, photocatalyst layer is nanometer titanium dioxide layer, light source adopts the ultraviolet light area source, and the light source vertical irradiation supports on the body at photocatalyst.As shown in Figure 3, photocatalyst supports body and adopts in such a way and be staggered: four photocatalysts support body four layers of arrangement in 40 minutes, space parallel between layers, it is all not overlapping in conplane upright projection that any two-layer photocatalyst supports body 1, and whole photocatalysts supports body and realizes seamless connection in conplane upright projection, and it is parallel that the plane at upright projection place and photocatalyst support the body sheaf space.Four photocatalysts support body 40 and all adopt squarely, and four photocatalysts support body 40 and form square in conplane upright projection.
The photocatalyst of this arrangement supports body and light source is arranged in the housing of air cleaner, sets into QI KOU and gas outlet at housing, and light source connects power supply.During work, the air that enters from air intake directly impacts the upper surface that I layer photocatalyst supports body, the upper and lower surface of each layer of then flowing through successively, and last air flows out from the gas outlet.Air just can be fully supports the body haptoreaction with the photocatalyst of every one deck like this, and light source also can be radiated at fully photocatalyst and support on the body.
Preferred mode is, photocatalyst supports body and is comprised of bottom and top layer, the bottom that photocatalyst supports body is a flat board, the top layer is the some rectangular pyramid photocatalyst layers (as shown in Figure 6) that are arranged on the flat board, such project organization has increased the contact area of air and photocatalyst material, Effective Raise the efficient of light-catalyzed reaction.
Preferred mode is: such photocatalyst layer supports two-sided setting on the body (being that upper and lower surface is provided with photocatalyst layer) at photocatalyst, the light source vertical irradiation supports on the two sides of body at photocatalyst, air all can react when supporting the upper and lower surface of body through photocatalyst like this, improves the effect that purifies air.
If need and the space permission, also can arrange according to this, the photocatalyst that arranges more than two at every one deck supports body.
Embodiment four
Photocatalyst air purification device of the present utility model comprises ten identical photocatalysts and supports body and light source, photocatalyst supports and is provided with photocatalyst layer on the body, photocatalyst supports body and adopts pottery to make, photocatalyst layer is nanometer titanium dioxide layer, light source adopts LED ultraviolet light area source, and the light source vertical irradiation supports on the upper and lower surface of body at photocatalyst.As shown in Figure 4 and Figure 5, photocatalyst supports body and adopts in such a way and be staggered: ten photocatalysts support body two-layer arrangement in 40 minutes, space parallel between layers, it is all not overlapping in conplane upright projection that any two-layer photocatalyst supports body 40, and whole photocatalysts supports body and realizes seamless connection in conplane upright projection, and it is parallel that the plane at upright projection place and photocatalyst support the body sheaf space.What two-layer photocatalyst supported body is connected to form the identical square-wave-shaped of waveform, two-layer photocatalyst supports the highest plane and the k level that body lays respectively at square-wave-shaped, ten photocatalysts support body 40 and all adopt squarely, and ten photocatalysts support body 40 and form square in conplane upright projection.
Photocatalyst supports body 40 and is comprised of bottom and top layer, the bottom that photocatalyst supports body is a flat board, the top layer is the some rectangular pyramid photocatalyst layers (as shown in Figure 6) that are arranged on the flat board, such project organization has increased the contact area of air and photocatalyst material, Effective Raise the efficient of light-catalyzed reaction.Photocatalyst layer supports two-sided setting on the body (being that upper and lower surface is provided with photocatalyst layer) at photocatalyst, and air all can react when supporting the upper and lower surface of body through photocatalyst like this, improves the effect that purifies air.Two-layer photocatalyst supports vertical dimension H=(1/2 between the body～1/3) D1, wherein D1 refers to that adjacent two photocatalysts in the same layer support the vertical dimension between the body, it is wide that D1=D2, D2 are that arbitrary photocatalyst supports the sheet of body.The photocatalyst of this arrangement supports in the housing that body is arranged on air cleaner, also sets into QI KOU and gas outlet on housing, and light source connects power supply.During work, the air to be clean 10 that enters from air intake, through light source 20, the direct vertical impact of portion of air supports the upper surface of the I layer photocatalyst load carrier-pellet in the body 40 to photocatalyst, light-catalyzed reaction can occur at the upper surface that I layer photocatalyst supports body 40 in this part air preferably, and supports the body upper surface to two side flow along I layer photocatalyst; Another part of the air that flows to from air intake does not have direct vertical impact to support the upper surface of body to the photocatalyst of ground floor, with support the air of body upper surface to two side flow along I layer photocatalyst and mix, and impact together the upper surface that II layer photocatalyst supports body, and light-catalyzed reaction occurs thereon purify air; Then, air-flow supports the upper surface of body to two side flow along II layer photocatalyst, the I of flowing through layer photocatalyst supports the lower surface of body, and further generation light-catalyzed reaction purifies air under the irradiation of lower floor's ultraviolet LED light, air two-layer photocatalyst support flow through between the body after, portion of air can support through II layer photocatalyst the lower surface of body, light-catalyzed reaction further occurs under the irradiation of lower floor's ultraviolet LED light to purify air, so far all light-catalyzed reactions are finished, air flow after the purification is through lower floor's light source, and 50 flow out from the gas outlet.
Above-described embodiment is the better embodiment of this utility model; but embodiment of the present utility model is not restricted to the described embodiments; other any do not deviate from change, the modification done under spirit of the present utility model and the principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, be included within the protection domain of the present utility model.
Claims (10)
1. a Photocatalyst air purification device comprises that light source and photocatalyst support body, and photocatalyst supports and is provided with photocatalyst layer on the body, it is characterized in that, described photocatalyst supports body layering setting, space parallel between layers, and photocatalyst between layers supports body and is staggered; Described light source irradiation supports on the body at photocatalyst.
2. Photocatalyst air purification device according to claim 1, it is characterized in that, described photocatalyst between layers supports body and is staggered and one of refers in the following way to arrange: the photocatalyst between the ⑴ adjacent two layers supports body to be had overlappingly in conplane upright projection, it is parallel that the plane at upright projection place and photocatalyst support the body sheaf space; ⑵ the photocatalyst of n layer supports body and supports body and have overlapping in conplane upright projection with (n+2) photocatalyst of layer, the photocatalyst of n layer supports body and is adjacent the photocatalyst of layer to support body not overlapping in conplane upright projection, wherein n is natural number, and it is parallel that the plane at upright projection place and photocatalyst support the body sheaf space; ⑶ it is all not overlapping in conplane upright projection that any two-layer photocatalyst supports body, and whole photocatalysts supports body and realize seamless connection in conplane upright projection, and it is parallel that the plane at upright projection place and photocatalyst support the body sheaf space.
3. Photocatalyst air purification device according to claim 2, it is characterized in that, in described ⑶ kind mode, photocatalyst support body be provided with two-layer more than, every layer photocatalyst supports body and all arranges more than two, photocatalyst in every layer supports the parallel and identical setting of spacing of body, and it is all identical that all photocatalysts support body.
4. Photocatalyst air purification device according to claim 3, it is characterized in that, in described ⑶ kind mode, photocatalyst supports body and is provided with two-layer, what two-layer photocatalyst supported body is connected to form the identical square-wave-shaped of waveform, and two-layer photocatalyst supports the highest plane and the k level that body lays respectively at square-wave-shaped.
5. Photocatalyst air purification device according to claim 4 is characterized in that, described two-layer photocatalyst supports vertical dimension H=(1/2 between the body～1/3) D1, wherein D1 refers to that adjacent two photocatalysts in the same layer support the vertical dimension between the body.
6. each described Photocatalyst air purification device in 5 according to claim 1 is characterized in that described photocatalyst supports body and is comprised of bottom and top layer, and the bottom that described photocatalyst supports body is a flat board, and the top layer is the some rectangular pyramids that are arranged on the flat board.
7. Photocatalyst air purification device according to claim 6 is characterized in that, described light source vertical irradiation supports on the body at photocatalyst; Described light source refers to the ultraviolet light area source.
8. Photocatalyst air purification device according to claim 6 is characterized in that, described photocatalyst supports body and adopts pottery to make, and described photocatalyst layer is nanometer titanium dioxide layer.
9. Photocatalyst air purification device according to claim 6 is characterized in that, described photocatalyst supports the two-sided photocatalyst layer that arranges on the body, and described light source respectively vertical irradiation supports the two sides of body at photocatalyst.
10. each described Photocatalyst air purification device in 5 according to claim 1, it is characterized in that, described device also comprises housing, air intake, gas outlet and power supply, described photocatalyst supports body and light source is arranged in the housing, air intake and gas outlet are arranged on the housing, and described power supply is electrically connected with light source.
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| CN201220432850.5U CN202761767U (en) | 2012-08-28 | 2012-08-28 | Photocatalyst air purifying device |
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| CN201220432850.5U CN202761767U (en) | 2012-08-28 | 2012-08-28 | Photocatalyst air purifying device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102793943A (en) * | 2012-08-28 | 2012-11-28 | 广东科立盈光电技术有限公司 | Photocatalyst air purification module and air purifier formed thereby |
| CN108014356A (en) * | 2017-12-22 | 2018-05-11 | 广东科立盈光电技术有限公司 | A kind of self-cleaned by photocatalyst device suitable for medical instrument |
| CN110433655A (en) * | 2019-08-19 | 2019-11-12 | 中国商用飞机有限责任公司 | Photocatalyst core assembly and photocatalyst purification device |
-
2012
- 2012-08-28 CN CN201220432850.5U patent/CN202761767U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102793943A (en) * | 2012-08-28 | 2012-11-28 | 广东科立盈光电技术有限公司 | Photocatalyst air purification module and air purifier formed thereby |
| CN108014356A (en) * | 2017-12-22 | 2018-05-11 | 广东科立盈光电技术有限公司 | A kind of self-cleaned by photocatalyst device suitable for medical instrument |
| CN110433655A (en) * | 2019-08-19 | 2019-11-12 | 中国商用飞机有限责任公司 | Photocatalyst core assembly and photocatalyst purification device |
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