CN105478008A - Photocatalytic reactor and air purifier - Google Patents
Photocatalytic reactor and air purifier Download PDFInfo
- Publication number
- CN105478008A CN105478008A CN201510887552.3A CN201510887552A CN105478008A CN 105478008 A CN105478008 A CN 105478008A CN 201510887552 A CN201510887552 A CN 201510887552A CN 105478008 A CN105478008 A CN 105478008A
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- China
- Prior art keywords
- catalyst substrate
- catalyst
- photo catalysis
- reactor
- catalysis reactor
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/88—Handling or mounting catalysts
- B01D53/885—Devices in general for catalytic purification of waste gases
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L9/00—Disinfection, sterilisation or deodorisation of air
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L9/00—Disinfection, sterilisation or deodorisation of air
- A61L9/16—Disinfection, sterilisation or deodorisation of air using physical phenomena
- A61L9/18—Radiation
- A61L9/20—Ultra-violet radiation
- A61L9/205—Ultra-violet radiation using a photocatalyst or photosensitiser
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/38—Removing components of undefined structure
- B01D53/44—Organic components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/80—Type of catalytic reaction
- B01D2255/802—Photocatalytic
Abstract
The invention provides a photocatalytic reactor, including a lamp, catalyst substrates, a mount and a fastener. The lamp as a light source is disposed in the axis of the reactor; the at least two catalyst substrates are in the same shape; a distance between two adjacent catalyst substrates is for the air to flow through; an overlapping portion exists in the radial or axial direction of the two adjacent catalyst substrates, so that the light emitted by the lamp can irradiate to the whole catalyst substrates and does not reveal; the catalyst substrates are supported with photocatalyst; and the mount and fastener are used for fixing the catalyst substrates to the reactor. The invention also provides an air purifier with the photocatalytic reactor. The photocatalytic reactor increases the surface area to form a vortex and extend the time for air passing through the device, such that more polluting gas is captured by the catalyst, and the light is fully utilized to improve the overall photocatalytic efficiency of the device. The photocatalytic reactor and air purifier have the advantages of reasonable structure, high safety and easiness for disassembly.
Description
Technical field
The present invention relates to field of air purification device, particularly relate to a kind of photo catalysis reactor and air cleaning unit.
Background technology
In the air of the living environment of people now, there is a large amount of pollutant, wherein have the material of peculiar smell and organic compound to be wherein main pollution sources.Light-catalyzed reaction is the effective means removing peculiar smell and organic pollution in prior art, and has good sterilization and suppress the effect of virus activity.A reasonable effective photo catalysis reactor possesses following characteristics: 1. utilize light source fully, excite catalyst to produce photo-generated carrier; 2. increase the specific area of catalyst substrate, make more pollutant touch catalyst surface, catalytic reaction occurs.
At present, how not only light source is utilized fully but also the specific area increasing catalyst substrate becomes the focus of photo catalysis reactor research and development.Traditional tubular catalytic reactor, ultraviolet source is positioned on the axis direction of tubular reactor, photochemical catalyst on reactor wall is subject to uniform illumination, light source can be made full use of, but the specific area of catalyst substrate is little, and air is directly shorter through the time of staying from tubular reactor, few with catalyst exposure chance, cause catalytic efficiency in the unit interval to reduce.
CN201420521591 discloses a kind of tubular photocatalysis device, adopt corrugated inwall, uviol lamp is fixed by supporting fin, make the area load photocatalyst layer of inner walls and support fin to increase the specific area of catalyst substrate, but the specific area of this corrugated tubular catalyst substrate is limited, do not utilize light source fully, cannot solve air directly through the problem that the time of staying is shorter from tubular catalyst, catalytic efficiency is not high yet.
CN201020180043 discloses a kind of photo catalysis reactor of convenient disassembly, rectangle/triangle/polygon the catalyst substrate adopting several pieces to be arranged in parallel, uviol lamp runs through the catalyst substrate of perforate, although the photo catalysis reactor of this structure adds the specific area of catalyst substrate, but the photon that its uviol lamp is launched is not vertically shine on catalysis substrate, but directly pass from the gap of two pieces of catalysis substrates, light utilization efficiency is lower, and the also unresolved air problem that the time of staying is shorter in tubular catalyst substrate, so catalytic efficiency is limited.
US20121340541 is a kind of photo catalysis reactor researched and developed by RGF company of the U.S., adopt the shape ring catalyst base tube plate around fluorescent tube, each catalyst plates distributes ventilating opening, air is made to form eddy current through photo catalysis reactor, thus can stay longer, there is larger catalysis specific area, distributed pores on its photochemical catalyst plate, object is the flowing being beneficial to air, reduce windage, but do not utilize light source fully, catalytic efficiency comparatively improves in above-mentioned technology, but still undesirable.
Summary of the invention
The object of this invention is to provide one and can make full use of light source, in the confined space, significantly can increase again the specific area of catalyst substrate, make air at the photo catalysis reactor forming eddy current and stay longer through wherein time simultaneously.
Another object of the present invention is to provide a kind ofly to be had above-mentioned advantage and has photo catalysis reactor for convenience detach concurrently.
Another object of the present invention is to provide a kind of air cleaning unit applying above-mentioned reactor.
Technical scheme of the present invention is to provide a kind of photo catalysis reactor, comprises fluorescent tube, catalyst substrate, deck and securing member; Described fluorescent tube, as light source, is arranged at the axis place of reactor; Described catalyst substrate at least two and shape is identical, there is between adjacent two catalyst substrates distance flow through for air, described adjacent two catalyst substrates have the light that lap makes fluorescent tube send and can be irradiated to whole catalyst substrate and not appear, loaded optic catalyst on described catalyst substrate on radial or axial direction; Described deck and securing member are used for described catalyst substrate to be fixed in reactor.
Preferably, described fluorescent tube is arranged at the axis place of catalyst substrate.
Preferably, described catalyst substrate is that axially conically and upper and lower opening described adjacent two catalyst substrates partly overlap in the axial direction.
Preferably, described reactor also comprises the bar shaped clamp axially arranged, and for connecting each catalyst substrate, the two ends of described bar shaped clamp are fixedly connected with deck.
Preferably, described catalyst substrate is parallel to fluorescent tube axis and adjacent two catalyst substrates partly overlap in radial directions, and described catalyst substrate two ends are fixedly connected with deck.
Preferably, it is characterized in that, described catalyst substrate indentation.
Preferably, it is characterized in that, described catalyst substrate is corrugated.
Preferably, it is characterized in that, described reactor also comprises top cover and base, and described securing member is used for deck to be fixedly connected with base with top cover respectively; Described top cover has the engaging part of engaging fluorescent tube head.
Preferably, described base is provided with air vent.
Technical scheme of the present invention also comprises provides a kind of air cleaning unit, comprises arbitrary photo catalysis reactor as above.
The invention has the beneficial effects as follows:
Adopt adjacent two catalyst substrates to have on radial or axial direction light that lap makes fluorescent tube send can be irradiated to the design that whole catalyst substrate does not appear and catalyst substrate can be made fully to wrap fluorescent tube thus make full use of light source; Adopt nonplanar several catalyst substrate significantly to increase the specific area of catalyst substrate simultaneously; At regular intervals for air circulation between adjacent two catalyst substrates, air is passed therethrough, and forms eddy current, extend the time of air by device, catalyzed dose of more dusty gas is caught, therefore without the need to offering ventilating opening on substrate, the overall photocatalysis efficiency improving device.
The catalyst substrate that shape is identical is fixedly connected with reactor by the journal stirrup at bar shaped clamp or two ends, convenient disassembly, when the catalyst of one of them catalyst substrate occurs only more replacing a part the problem that comes off, and retain other catalyst substrate.
The technical program is rational in infrastructure, and security is high, easy accessibility, and size is controlled, is especially applicable to being arranged on air cleaning unit or other have the position of ventilating opening.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of the first embodiment.
Fig. 2 is the decomposing schematic representation of the first embodiment.
Fig. 3 is the front view of the first embodiment.
Fig. 4 is the right view of the first embodiment.
Fig. 5 is the schematic perspective view of the second embodiment.
Fig. 6 is the decomposing schematic representation of the second embodiment.
Fig. 7 is the front view of the second embodiment.
Fig. 8 is the left view of the second embodiment.
Fig. 9 is the catalyst plates front view of the distressed structure of the second embodiment.
Detailed description of the invention
Below by way of specific concrete implementation embodiments of the present invention, those skilled in the art the content disclosed by this description can understand other advantages of the present invention and effect easily.
Embodiment one
Accompanying drawing 1-4 gives the first embodiment of photo catalysis reactor, comprises and is provided with base 1, deck 2, catalyst substrate 3, fluorescent tube 4, top cover 5 and bar shaped clamp 6.
Cup dolly 1 is provided with air vent 11, and the effect of air vent reduces windage and the pressure to blower fan, prevents the catalyst of load on catalyst substrate from coming off to a certain extent.
Described fluorescent tube 4 is installed on the axis place of photo catalysis reactor, and as light source, the light provided can be ultraviolet light or some visible light, according to photochemical catalyst to can the wave-length coverage of response light adjust.
Its side of circular top cover 5 has through hole, and center has the parts 51 engaged with fluorescent tube tube head.
Axially conically and upper and lower opening, the cross section of described catalyst substrate is rounded, also can be petal or other shapes for catalyst substrate 3.Bar shaped clamp 6 is arranged along catalyst substrate 3 axial direction, and for fixed catalyst substrate, its end has journal stirrup 6.Catalyst substrate 3 and bar shaped clamp 6 can adopt welding or dismountable connected mode.When adopting dismountable mode, each catalyst substrate has the draw-in groove that four supporting with bar shaped clamp 6, several catalyst substrate 3 is fastened togather by four bar shaped clamps 6.During real work, when the problems such as catalyst failure appear in catalyst substrate 3, can change separately it and retain other catalyst substrates.No matter catalyst substrate 3 adopts welding with bar shaped clamp 6 or dismountable mode is connected, during installation, the upper limb of a described catalyst substrate flushes with the lower edge of adjacent catalyst substrate, also the upper limb of a catalyst substrate can be made to reach the lower edge of adjacent catalyst substrate with upper part, namely ensure that adjacent two catalyst substrate axial direction upper part are overlapping to ensure that light does not appear, the number of catalyst substrate carries out the increase and decrease adapted according to the length of fluorescent tube.As can be seen from Figure 3, fluorescent tube 4 is arranged among catalyst substrate 3, due to the cooperation of adjacent two catalyst substrates, guarantees to make full use of light source; Again because the curved design of catalyst substrate makes axially have certain distance between catalyst substrate, air can freely flow through, thus without the need to offering ventilating opening on catalyst substrate.Equal loaded optic catalyst on catalyst substrate 3 and bar shaped clamp 6, and there is larger specific area.Can be immersed in photocatalyst solution after certain hour after catalyst substrate 3 and bar shaped clamp 6 are assembled, take out and dry, obtain the substrate of loaded optic catalyst.
Deck 2, in annular, is had the journal stirrup 21 corresponding with the through hole on base 1 and top cover 5 side, and is fixedly connected with by bolt and nut.Deck 2 is also provided with the through hole corresponding with the journal stirrup of bar shaped clamp 6, and is fixedly connected with by bolt and nut.Fluorescent tube 4 is arranged at the axis place of deck 2 and catalyst substrate 3, and fluorescent tube 4 head and top cover 5 are fixed.
The catalyst substrate number of described photo catalysis reactor is controlled, while increasing specific area, forms eddy current, extend the time of air by device, catalyzed dose of more dusty gas is caught, and makes full use of light source, the overall photocatalysis efficiency improving device.Rational in infrastructure, security is high, easy accessibility, and size is controlled, is especially applicable to being arranged on air cleaning unit or other have the position of ventilating opening.
Described photo catalysis reactor can be arranged in air cleaner, coordinates miscellaneous part, such as filter assemblies, disinfection component etc., improves the detergent power of air cleaner.
Embodiment two
Accompanying drawing 5-8 gives the second embodiment of photo catalysis reactor, comprises base 1, deck 2, catalyst substrate 3, fluorescent tube 4, and top cover 5.
Comparison diagram 6 and Fig. 2 known, base 1, the fluorescent tube 4 of embodiment 2 are identical with the structure of embodiment 1 with top cover 5.The introduction about the construction different from embodiment 1 is as follows.
As can be seen from Fig. 5 and Fig. 6, catalyst substrate 3 is parallel to fluorescent tube axis and arranges, and catalyst substrate 3 is in corrugated, and its length is suitable with fluorescent tube, and adjacent two catalyst substrates have certain distance can supply air circulation.Corrugated catalyst substrate has larger catalysis specific area.As can be seen from Figure 8, adjacent two catalyst substrates partly overlap in radial directions.As can be seen from Figure 7, fluorescent tube 4 is arranged among the circumference of several catalyst substrate composition, because the cooperation between catalyst substrate makes do not have light from wherein appearing, thus ensure that making full use of of light.In the present embodiment, catalyst substrate does not need by the fixing assembling of bar shaped clamp, and the end of each catalyst substrate is provided with journal stirrup, is fixedly connected with by bolt and nut with deck.
Deck 2, in annular, is had the through hole corresponding with catalyst substrate 3 journal stirrup, and is fixedly connected with by bolt and nut.Deck 2 also comprises journal stirrup 21 corresponding with the side through hole of base 1 and top cover 5 respectively, and is fixedly connected with by bolt and nut.
The catalyst substrate of described photo catalysis reactor controls the radian of number and axial slices according to theory calculate, its number is preferably the multiple of 4 or 4, while increase specific area, form eddy current, extend the time of air by device, catalyzed dose of more dusty gas is caught, and makes full use of light source, the overall photocatalysis efficiency improving device.Rational in infrastructure, security is high, easy accessibility, and size is controlled, is especially applicable to being arranged on air cleaning unit or other have the position of ventilating opening.
One as embodiment 2 is out of shape, and corrugated catalyst substrate also can be substituted by zigzag catalyst substrate, as shown in Figure 9, though zigzag catalyst substrate does not have corrugated specific area large, but is easier to processing, is suitable for large-scale production.
Although the present invention discloses as above with preferred embodiment, the present invention is not defined in this.Any those skilled in the art, without departing from the spirit and scope of the present invention, all can do various amendment or change, belong to protection scope of the present invention.
Claims (10)
1. a photo catalysis reactor, is characterized in that, comprises fluorescent tube, catalyst substrate, deck and securing member;
Described fluorescent tube, as light source, is arranged at the axis place of reactor;
Described catalyst substrate at least two and shape is identical, there is between adjacent two catalyst substrates distance flow through for air, described adjacent two catalyst substrates have the light that lap makes fluorescent tube send and can be irradiated to whole catalyst substrate and not appear, loaded optic catalyst on described catalyst substrate on radial or axial direction;
Described deck and securing member are used for described catalyst substrate to be fixed in reactor.
2. photo catalysis reactor according to claim 1, is characterized in that, described fluorescent tube is arranged at the axis place of catalyst substrate.
3. photo catalysis reactor according to claim 2, is characterized in that, described catalyst substrate is that axially conically and upper and lower opening described adjacent two catalyst substrates partly overlap in the axial direction.
4. photo catalysis reactor according to claim 3, is characterized in that, described reactor also comprises the bar shaped clamp axially arranged, and for connecting each catalyst substrate, the two ends of described bar shaped clamp are fixedly connected with deck.
5. photo catalysis reactor according to claim 1, is characterized in that, described catalyst substrate is parallel to fluorescent tube axis and adjacent two catalyst substrates partly overlap in radial directions, and described catalyst substrate two ends are fixedly connected with deck.
6. photo catalysis reactor according to claim 5, is characterized in that, described catalyst substrate indentation.
7. photo catalysis reactor according to claim 5, is characterized in that, described catalyst substrate is corrugated.
8. according to the arbitrary photo catalysis reactor described in claim 1 to 7, it is characterized in that, described reactor also comprises top cover and base, and described securing member is used for deck to be fixedly connected with base with top cover respectively; Described top cover has the engaging part of engaging fluorescent tube head.
9. photo catalysis reactor according to claim 8, described base is provided with air vent.
10. an air cleaning unit, is characterized in that, comprises the arbitrary photo catalysis reactor as described in claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510887552.3A CN105478008A (en) | 2015-12-07 | 2015-12-07 | Photocatalytic reactor and air purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510887552.3A CN105478008A (en) | 2015-12-07 | 2015-12-07 | Photocatalytic reactor and air purifier |
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| Publication Number | Publication Date |
|---|---|
| CN105478008A true CN105478008A (en) | 2016-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510887552.3A Pending CN105478008A (en) | 2015-12-07 | 2015-12-07 | Photocatalytic reactor and air purifier |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106669412A (en) * | 2016-11-18 | 2017-05-17 | 南方科技大学 | Photocatalytic reactor |
| CN107894041A (en) * | 2017-11-14 | 2018-04-10 | 冯志强 | A kind of Photocatalyst air purification device |
| CN114941885A (en) * | 2022-04-20 | 2022-08-26 | 西安交通大学 | Photocatalytic air purifier |
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| JP2006061842A (en) * | 2004-08-27 | 2006-03-09 | Planet:Kk | Photocatalytic reactor |
| CN101091924A (en) * | 2006-06-23 | 2007-12-26 | 杨小明 | Sheet combination type structure of photocatalyst carrier |
| CN101096014A (en) * | 2006-06-27 | 2008-01-02 | 杨小明 | Thin plate combined type photocatalyst carrier structure |
| CN103495195A (en) * | 2013-09-18 | 2014-01-08 | 浙江大学 | Photocatalytic type air purification device and method |
| CN205252900U (en) * | 2015-12-07 | 2016-05-25 | 上海晶顿科技有限公司 | Photocatalysis reactor and air purification device |
-
2015
- 2015-12-07 CN CN201510887552.3A patent/CN105478008A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006061842A (en) * | 2004-08-27 | 2006-03-09 | Planet:Kk | Photocatalytic reactor |
| CN101091924A (en) * | 2006-06-23 | 2007-12-26 | 杨小明 | Sheet combination type structure of photocatalyst carrier |
| CN101096014A (en) * | 2006-06-27 | 2008-01-02 | 杨小明 | Thin plate combined type photocatalyst carrier structure |
| CN103495195A (en) * | 2013-09-18 | 2014-01-08 | 浙江大学 | Photocatalytic type air purification device and method |
| CN205252900U (en) * | 2015-12-07 | 2016-05-25 | 上海晶顿科技有限公司 | Photocatalysis reactor and air purification device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106669412A (en) * | 2016-11-18 | 2017-05-17 | 南方科技大学 | Photocatalytic reactor |
| CN106669412B (en) * | 2016-11-18 | 2019-10-18 | 南方科技大学 | Photo catalysis reactor |
| CN107894041A (en) * | 2017-11-14 | 2018-04-10 | 冯志强 | A kind of Photocatalyst air purification device |
| CN114941885A (en) * | 2022-04-20 | 2022-08-26 | 西安交通大学 | Photocatalytic air purifier |
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Application publication date: 20160413 |