CN203971753U - A kind of smell photocatalysis purifier of dry waste gas - Google Patents

A kind of smell photocatalysis purifier of dry waste gas Download PDF

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Publication number
CN203971753U
CN203971753U CN201420363282.7U CN201420363282U CN203971753U CN 203971753 U CN203971753 U CN 203971753U CN 201420363282 U CN201420363282 U CN 201420363282U CN 203971753 U CN203971753 U CN 203971753U
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China
Prior art keywords
photocatalysis
base material
material base
unit
catalysis material
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Expired - Fee Related
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CN201420363282.7U
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Chinese (zh)
Inventor
梁春霞
时俊花
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SHANGHAI JIAYUAN ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD
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SHANGHAI JIAYUAN ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD
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Abstract

The utility model provides a kind of smell photocatalysis purifier of dry waste gas, comprise housing, the entrance and exit that two ends, housing left and right are gas, in housing, be provided with successively from left to right pretreatment unit, photocatalysis unit, mixed processing unit, in described pretreatment unit, be provided with air humidification device and filter, described photocatalysis unit comprises three blocks of catalysis material base materials that be arranged in parallel, on described catalysis material base material, be attached with semiconductor light-catalyst, between adjacent catalysis material base material, be provided with multiple uviol lamps, leaving certain gaps uncovered by the economic plan between every block of catalysis material base material and inner walls, the breach of adjacent catalysis material base material misplaces 180 ° and offers, the exit of described housing right-hand member is provided with blower fan.When the utility model purifying exhaust air, waste gas be folding flow, increased light-catalyzed reaction apart from discrete time, and then improve the efficiency of reaction, ensure clean-up effect, the use such as the utility model can be in room, public place of entertainment, factory, the scope of application is wide.

Description

A kind of smell photocatalysis purifier of dry waste gas
Technical field
The utility model relates to a kind of air cleaning unit, relates in particular to a kind of smell photocatalysis purifier of dry waste gas.
Background technology
The mankind's existence be unable to do without air, and the quality of air directly affects the mankind's health.In recent years, environmental air pollution and industrial waste gas pollute more and more serious, and this health on the mankind has caused impact to a great extent, so in order to ensure the quality of mankind's breathe air, some air cleaning units and air purification method arise at the historic moment.According to the difference in air pollution degree and air pollution place, the air cleaning unit adopting and air purification method are also different, for example comparatively common air freshener, active carbon bag, air purifier etc.Organic exhaust gas, foul gas are processed the main technology such as chemical washing method, active carbon adsorption, bioanalysis that adopt at present.Chemical washing method be method by solvent absorption by pollutant from gas phase conversion to liquid phase, and then play the effect purifying air, but pollutant is still with the existing of the form of liquid phase, so the method exists the shortcoming of secondary pollution.Active carbon adsorption is the pollutant in gas phase to be adsorbed in the duct of solid absorbent by the loose structure of adsorbent, and this treatment effect is good, but active carbon can not reuse, and needs periodic replacement, and the expense that therefore produced is higher.In order to solve shortcoming on these conventional arts, those skilled in the art develop photocatalysis air cleaning device, it can be used for the air cleaning in the places such as office, family, meeting room, also the exhaust-gas treatment that can be used for the generation of the industries such as spraying, chemical industry, sewage treatment plant, has the scope of application widely.Although photocatalysis air cleaning device uses extensively, because its development time is shorter, so also exist the not high weak point of purification efficiency, therefore how improving its purification efficiency is those skilled in the art's technical issues that need to address.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of dry waste gas smell photocatalysis purifier, effectively improves waste gas humidity to be administered, thereby improves the clean-up effect of smell photocatalysis purifier, to overcome the above-mentioned defect of prior art.
In order to solve the problems of the technologies described above, the utility model adopts following technical scheme: a kind of smell photocatalysis purifier of dry waste gas, comprise housing, the left end of housing is the entrance of gas, right-hand member is the outlet of gas, in described housing, be provided with successively from left to right pretreatment unit, photocatalysis unit, mixed processing unit, in described pretreatment unit, be provided with air humidification device and filter, described photocatalysis unit comprises three blocks of catalysis material base materials that be arranged in parallel, on described catalysis material base material, be attached with semiconductor light-catalyst, between adjacent catalysis material base material, be provided with multiple uviol lamps, leaving certain gaps uncovered by the economic plan between every block of catalysis material base material and inner walls, the breach of adjacent catalysis material base material misplaces 180 ° and offers, gas is folding mobile in photocatalysis unit, the exit of described housing right-hand member is provided with blower fan.
Preferably, catalysis material base material in described photocatalysis unit is Ti material or ACF material, be called Ti photocatalysis unit taking Ti as catalysis material base material, be called ACF photocatalysis unit taking ACF as catalysis material base material, in this device, be provided with one or both in Ti photocatalysis unit and ACF photocatalysis unit.
Preferably, described air humidification device is humidifier, and described filter is filter fiber cotton or active carbon fibre vinylon and cotton blend.
Preferably, described semiconductor light-catalyst is TiO 2or TiO 2adulterate body.
Preferably, the uviol lamp between adjacent catalysis material base material is provided with three along gas flow direction.
As mentioned above, the smell photocatalysis purifier of a kind of dry waste gas of the utility model, has following beneficial effect:
The utility model can be used for organic exhaust gas in production status, the human living space (as room, meeting room, public place of entertainment etc.) of low air humidity or the purification of foul gas, has the scope of application and application places widely.In addition, when the utility model purifying exhaust air, waste gas is folding mobile, therefore increased light-catalyzed reaction apart from discrete time, improved the efficiency of catalytic oxidation, also just improved purification efficiency, ensured clean-up effect.
Brief description of the drawings
Fig. 1 is structure chart of the present utility model.
Fig. 2 is schematic diagram of the present utility model.
In figure: 1 housing 11 entrances
12 outlet 2 pretreatment units
21 damping device 22 filters
3 photocatalysis unit 31 catalysis material base materials
32 uviol lamp 311 breach
4 mixed processing unit 5 blower fans
Detailed description of the invention
Structure that Figure of description illustrates, ratio, size etc., all contents in order to coordinate description to disclose only, understand and read for person skilled in the art scholar, not in order to limit the enforceable qualifications of the utility model, therefore the not technical essential meaning of tool, the adjustment of the modification of any structure, the change of proportionate relationship or size, do not affecting under effect that the utility model can produce and the object that can reach, all should still drop in the scope that technology contents that the utility model discloses can contain.Simultaneously, in this description, quote as " on ", the term such as D score, 'fornt', 'back', " centre ", also only for ease of understanding of narrating, but not in order to limit the enforceable scope of the utility model, the change of its relativeness or adjustment, changing under technology contents, when being also considered as the enforceable category of the utility model without essence.
Be the smell photocatalysis purifier of a kind of dry foul gas of the utility model as Figure 1-Figure 2, comprise housing 1, the left end of housing 1 is the entrance 11 of gas, right-hand member is the outlet 12 of gas, in described housing 1, be provided with successively from left to right pretreatment unit 2, photocatalysis unit 3, mixed processing unit 4, in described pretreatment unit 2, be provided with air humidification device 21 and filter 22, described photocatalysis unit 3 comprises three blocks of catalysis material base materials 31 that be arranged in parallel, described catalysis material base material 31 is tabular, on described catalysis material base material 31, be attached with semiconductor light-catalyst, between adjacent catalysis material base material 31, be provided with multiple uviol lamps 32, leaving certain gaps uncovered by the economic plan 311 between every block of catalysis material base material 31 and housing 1 inwall, the breach 311 of adjacent catalysis material base material 31 misplaces 180 ° and offers, gas is folding mobile in photocatalysis unit 31, outlet 12 places of described housing 1 right-hand member are provided with blower fan 5.
In the present embodiment, catalysis material base material 31 in described photocatalysis unit 3 is Ti material or ACF material (NACF), be called Ti photocatalysis unit taking Ti as catalysis material base material 31, be called ACF photocatalysis unit taking ACF as catalysis material base material 31, in this device, be provided with one or both in Ti photocatalysis unit and ACF photocatalysis unit.Be that one or more Ti photocatalysis units can be set in this device, one or more ACF photocatalysis units also can be set, the combination that one or more Ti photocatalysis units add one or more ACF photocatalysis units can also be set.
In the present embodiment, described air humidification device 21 can be spray pipe or humidifier etc., and wherein preferred scheme is to adopt humidifier.
In the present embodiment, described filter 22 is filter fiber cotton or active carbon fibre vinylon and cotton blend etc.
In the present embodiment, described semiconductor light-catalyst is TiO 2or TiO 2adulterate body.
In the present embodiment, the uviol lamp 32 between adjacent catalysis material base material 31 is provided with three along gas flow direction, and in order to ensure operating efficiency, three described uviol lamps 32 equidistantly arrange.The number of the uviol lamp 32 in the present embodiment is preferred scheme, and according to the actual needs, described uviol lamp 32 can arrange more.
The principle of the light catalytic purifying waste gas in this device is: purified and eliminated VOC by photocatalysis oxidation reaction, on the semiconductor light-catalyst of the irradiation that uviol lamp 32 penetrates certain energy on catalysis material base material 31, thereby the valence band electronics generation band-to-band transition of vitalizing semiconductor photochemical catalyst, transit to conduction band from valence band, thereby produce light induced electron (e-) and hole (h+).The dissolved oxygen trapped electron that is adsorbed on semiconductor light-catalyst surface forms superoxide anion, and the water that is adsorbed on semiconductor light-catalyst surface is oxidized to hydroxyl radical free radical by hole.Superoxide anion and hydroxyl radical free radical have very strong oxidisability, can make nearly all organic pollution be oxidizing to end product CO 2and H 2the inorganic matters such as O.
The course of work by this device purifying exhaust air is:
This device is placed into the position of wanting purifying exhaust air, open whole uviol lamps 32, open again blower fan 5, waste gas can be because the suction of blower fan 5 enters from the entrance 11 of left end, first waste gas pass through humidifier, because optimum humidity range is 50%~80% in light catalytic purifying processing procedure, so the scope that humidifier is 50%~80% by waste gas humidification to humidity; Waste gas after humidification is by filter 22, and the impurity in waste gas or some particles can be filtered device 22 adsorption filtrations and fall; Then waste gas enters into photocatalysis unit 3 again and degrades, in photocatalysis unit 3, waste gas is folding mobile, increase so the mobile distance of waste gas, and then increase time of the catalyzed oxidation of waste gas, improved the efficiency of the catalyzed oxidation of waste gas, ensured the purifying rate of waste gas, light catalytic purifying principle is described above; The waste gas of catalyzed oxidation enters into mixed processing unit 4 to be carried out further mixing and fully contact, ensures the enough reaction time, thereby reaches better clean-up effect, further waste gas is resolved into CO 2and H 2the inorganic matters such as O; The last gas producing is discharged from from exporting 12, and purification completes.
In sum, the smell photocatalysis purifier of a kind of dry waste gas of the utility model, can solve the not high problem of efficiency of photochemical catalytic oxidation waste gas.So, have very high value and use meaning thereby the utility model has effectively overcome practical problems more of the prior art.
Above-mentioned embodiment is illustrative principle of the present utility model and effect thereof only, but not for limiting the utility model.The utility model also has many aspects under the prerequisite without prejudice to overall thought, to improve, and all can, under spirit of the present utility model and category, can above-described embodiment be modified or be changed for person skilled in the art scholar.Therefore, have in technical field under such as and conventionally know that the knowledgeable modifies or changes not departing from all equivalences that complete under spirit that the utility model discloses and technological thought, must be contained by claim of the present utility model.

Claims (5)

1. the smell photocatalysis purifier of a dry waste gas, it is characterized in that: comprise housing (1), the entrance (11) that the left end of housing (1) is gas, right-hand member is the outlet (12) of gas, in described housing (1), be provided with successively from left to right pretreatment unit (2), photocatalysis unit (3), mixed processing unit (4), in described pretreatment unit (2), be provided with air humidification device (21) and filter (22), described photocatalysis unit (3) comprises three blocks of catalysis material base materials (31) that be arranged in parallel, on described catalysis material base material (31), be attached with semiconductor light-catalyst, between adjacent catalysis material base material (31), be provided with multiple uviol lamps (32), leaving certain gaps uncovered by the economic plan (311) between every block of catalysis material base material (31) and housing (1) inwall, the breach (311) of adjacent catalysis material base material (31) misplaces 180 ° and offers, gas is folding mobile in photocatalysis unit (31), the outlet (12) of described housing (1) right-hand member locates to be provided with blower fan (5).
2. the smell photocatalysis purifier of a kind of dry waste gas according to claim 1, it is characterized in that: the catalysis material base material (31) in described photocatalysis unit (3) is Ti material or ACF material, be called Ti photocatalysis unit taking Ti as catalysis material base material (31), be called ACF photocatalysis unit taking ACF as catalysis material base material (31), in this device, be provided with one or both in Ti photocatalysis unit and ACF photocatalysis unit.
3. the smell photocatalysis purifier of a kind of dry waste gas according to claim 1, is characterized in that: described air humidification device (21) is humidifier, and described filter (22) is filter fiber cotton or active carbon fibre vinylon and cotton blend.
4. the smell photocatalysis purifier of a kind of dry waste gas according to claim 1, is characterized in that: described semiconductor light-catalyst is TiO 2or TiO 2adulterate body.
5. the smell photocatalysis purifier of a kind of dry waste gas according to claim 1, is characterized in that: the uviol lamp (32) between adjacent catalysis material base material (31) is provided with three along gas flow direction.
CN201420363282.7U 2014-07-02 2014-07-02 A kind of smell photocatalysis purifier of dry waste gas Expired - Fee Related CN203971753U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104633785A (en) * 2015-02-28 2015-05-20 北京众鑫兴业大气污染治理有限公司 Photocatalytic waste gas purification device
CN105148724A (en) * 2015-08-25 2015-12-16 上海隆于环保科技有限公司 Intelligent integrated waste gas purifying system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104633785A (en) * 2015-02-28 2015-05-20 北京众鑫兴业大气污染治理有限公司 Photocatalytic waste gas purification device
CN104633785B (en) * 2015-02-28 2017-10-20 北京众鑫兴业大气污染治理有限公司 A kind of photocatalysis waste gas purification apparatus
CN105148724A (en) * 2015-08-25 2015-12-16 上海隆于环保科技有限公司 Intelligent integrated waste gas purifying system
CN105148724B (en) * 2015-08-25 2017-12-01 上海隆于环保科技有限公司 A kind of intelligent integral exhaust gas purifying treatment system

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20141203

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