CN103495335B - A kind of purification of air device and purifying method thereof - Google Patents
A kind of purification of air device and purifying method thereof Download PDFInfo
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- CN103495335B CN103495335B CN201310444441.6A CN201310444441A CN103495335B CN 103495335 B CN103495335 B CN 103495335B CN 201310444441 A CN201310444441 A CN 201310444441A CN 103495335 B CN103495335 B CN 103495335B
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Abstract
The present invention provides a kind of purification of air device, ultraviolet emission device within comprising the photocatalyst passage within the shell being arranged on fixed action and being arranged at space that photocatalyst passage surrounds, photocatalyst passage is porous channel, described porous channel comprises front passage and rear passage, front passage windage is less than rear passage, and described ultraviolet emission device is wavelength is the ultraviolet lamp that 185nm and 254nm combines. This device purification function is comprehensive, and most of objectionable impurities and organic peculiar smell are all had desirable discomposing effect; To pollution substance complete decomposition, by chain reaction, pollution substance resolved into free of contamination reaction product; Initiatively purification, the objectionable impurities initiatively caught in room air purifies; Refining plant also has that volume is little, light weight, be convenient to installation and removal, the feature such as durable, noise is little, long service life firm in structure.
Description
Technical field
The present invention relates to field of air purification device, especially introduce a kind of catalytic oxidizing equipment and the purifying method thereof that purify air.
Background technology
In existing market, air purifier common, that compare applicable family and use roughly can divide following 3 kinds.
Filtering type: this kind of air purifier normally with gac as filtering material, fallen the objectionable impuritiess such as the benzene in air, formaldehyde by activated carbon filtration, reach the object of purification room air. But due to gac after used a period of time, the ability of adsorb harmful components will weaken gradually, so, filter core just should be changed by (with serious pollution region is recommended as about 3 months) at set intervals.
Electrostatic air cleaner: a kind of by suction type koniology concentrated on collecting plate and kill bacterium and virus by the highfield on circuit board, thus reach the air purifier of purification air object. It should be noted that high-voltage can produce excessive ozone simultaneously. Shortcoming is that ozone may exceed standard, and exceeds standard and can seriously be detrimental to health, and the pressure standard of ozone is 0.10mg/ every square metre by country; Sterilization effect is undesirable; PARA FORMALDEHYDE PRILLS(91,95), benzene, TVOC gas and various peculiar smell are invalid.
Photocatalytic air-purification device: the benefit of this kind of cleaner is eliminated various objectionable impurities, the harmful microbes such as bacterium, virus, mould are removed; The neutralization of the harmful chemicals gases such as formaldehyde, benzene, ammonia and decomposition; The removal of peculiar smell, smoke etc.; Harmless water and carbonic acid gas it is translated into by a series of chemical reactions. Shortcoming is that particulate matter effect is slower.
Photocatalyst is a kind of nano level metal oxide materials (titanium dioxide is more conventional), and it coats substrate surface, under the effect of light, produces strong catalyzed degradation function, toxic and harmful in air of effectively degrading; Can effectively kill various bacteria, and the toxin that can bacterium or fungi be discharged decomposes and harmless treatment; Also possesses the function such as deodorizing, anti-dirt simultaneously. Photocatalyst, under the irradiation of light, can produce similar photosynthetic light-catalyzed reaction, the hydroxyl radical free radical (-OH) becoming oxidation capacity extremely strong in water in air or oxygen catalytic and ultra-oxygen anion free radical (O2-), active oxygen (O3��O��H2O2) etc. there is the photoproduction active group (HEIG:HighEnergyIonGroup) of pole Strong oxdiative ability, can various organic compound and the part inorganics with unstable chemical bond of potent decomposition, and the cytolemma of bacterium can be destroyed and solidify the protein carrier of virus.
Summary of the invention
The problem to be solved in the present invention is to provide a kind of combination type air refining plant and its purifying method, warm several air purifying process so that it is purifying functions doubles.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of purification of air device, it is characterized in that: the ultraviolet emission device within comprising the photocatalyst passage within the shell being arranged on fixed action and being arranged at space that photocatalyst passage surrounds, photocatalyst passage is porous channel, described porous channel comprises front passage and rear passage, front passage windage is less than rear passage, and described ultraviolet emission device is wavelength is the ultraviolet lamp that 185nm and 254nm combines.
Further, rear channel surface increases resistance net.
Further, porous channel surface coating photocatalyst.
Further, photo-catalytic nano fineness is 5-10nm.
The working process of the present invention: blower fan drives the air in space, and by air intake purification of air device, first air carries out catalysed oxidn through the front passage of photocatalyst passage; Then flow forward, due to the windage difference of the forward and backward passage of photocatalyst passage, forming the convolution of air-flow between forward and backward passage, air produces by being detained, within the space that forward and backward passage surrounds, form oxidation storehouse, carry out photochemical catalytic oxidation by ultraviolet emission device; Catalysed oxidn is again carried out again through passage later; Pollutent in air decomposes in whole process, and is activated by air and generate high energy particle, finally returns in space; High energy particle is released into whole space, initiatively flutters and catches and obnoxious flavour in better purifying space, obnoxious flavour resolves into carbonic acid gas and water, and high energy particle is reduced into oxygen and water.
Further, ultraviolet emission device adopts the power of UV light source to adjust according to the ozone safe concentration of measuring and calculating, and ozone safe concentration is determined according to spatial volume and ozone GB value.
The purposes of the present invention: purification of air device is installed in the pipeline of constructure ventilation equipment, apparatus of air conditioning, or in the air inlet of minitype air conditioner or ventilation, air regenerating device or gas exhaust duct.
The advantage that the present invention has and positively effect be: purification function is comprehensive, and most of objectionable impurities and organic peculiar smell are all had desirable discomposing effect; Photocatalyst passage antero-posterior pathway windage is variant, forms air and is detained oxidation storehouse, is decomposed by pollution substance more thorough, by chain reaction, pollution substance resolves into free of contamination reaction product; Initiatively purification, the objectionable impurities initiatively caught in room air purifies; Refining plant also has that volume is little, light weight, be convenient to installation and removal, the feature such as durable, noise is little, long service life firm in structure.
Accompanying drawing explanation
Fig. 1 is this device embodiment one structural representation
Fig. 2 is this device embodiment two structural representation
In figure:
The ultraviolet lamp of honeycomb channel 103. embodiment one after the shell 102. of 101. embodiments one
Meshed raceway after the shell 202. of honeycomb channel 201. embodiment two before 104.
Meshed raceway before the ultraviolet lamp 204. of 203. embodiments two
A. air b. to be clean purifies air
Embodiment
The present invention provides a kind of purification of air device, comprises the photocatalyst passage within the shell (101,201) being arranged on fixed action and is arranged at the ultraviolet lamp (103,203) within space that photocatalyst passage surrounds.
Photocatalyst passage is porous channel, it is possible to be honeycomb structure, as shown in Figure 1, or reticulated structure, as shown in Figure 2. Porous channel is coated with photocatalyst as carrier surface, it is possible to embedded by photocatalyst in the wall face of porous channel or other decoration forms.
Photocatalyst passage comprises front passage and rear passage, and front passage windage is less than rear passage. Windage such as the front honeycomb channel 104 in Fig. 1 is less than the windage of rear honeycomb channel 102; The windage of the front meshed raceway 204 in Fig. 2 is less than the windage of rear meshed raceway 202.
Due to windage difference before and after photocatalyst passage, the convolution of air-flow between causing, air produces to form oxidation storehouse by being detained, decompose more thorough to pollution substance.
Outer casing inner wall and described photocatalyst passage adopt quiet structure. Shell adopts metallic substance to make, firm in structure durable.
The main principle of work of the present invention utilizes broad general ultraviolet, in conjunction with the katalysis of photocatalyst, generates high-energy purifying particle (O3, O atom, OH-, O2Deng) group (HEIG), purification flows through the air of this device, catches on one's own initiative and kills the microorganisms such as various unwanted bacteria, virus. Optimal wavelength is the ultraviolet lamp 3 that 185nm and 254nm combines, and preferred 5-10nm photocatalyst is as catalyzer.
The luminescence spectrum of ultraviolet germicidal lamp mainly contains 254nm and 185nm two. 254nm ultraviolet carrys out kill bacteria by irradiating the DNA of microorganism, and 185nm ultraviolet can by the O in air2Become O3(ozone), ozone has strong oxidation, can kill bacteria effectively, the dispersivity of ozone can make up the shortcoming owing to ultraviolet is only linearly propagated, sterilization has dead angle just. This device can also calculate, according to the safe concentration of spatial volume and GB ozone, the UV light source adopting much power, and ozone growing amount is no more than national standard 0.10 milligram every cubic metre, and human body can not be caused any harm by life-time service.
Pollutent in air comprises the organic volatile in benzene, formaldehyde, air, pellet, peculiar smell, microorganism etc.; The ventilator trunk inside of central air-conditioning etc. can build up toxic gas and microorganism mostly, comprises intestinal bacteria, Staphylococcus albus, Candida albicans, Pseudomonas aeruginosa, staphylococcus aureus, mould etc.
The refining plant of the present invention forms matrix unit by nano photo-catalytic catalyzer and wide spectral UV-lamp, utilize nano-photocatalyst material and design, achieve photocatalysis oxidation reaction process, as Suo Shi reaction equation (1)��(2), (it be not limited to following two kinds of reactions):
3CH2O+2O3=3CO2+3H2O(1)
2C6H6+15O2=12CO2+6H2O(2)
The carbon-chain structure of pollutent (organic volatile in benzene, formaldehyde, air, peculiar smell, microorganism etc.) is all interrupted by the chain type advanced oxidation reaction through enumerating above, thoroughly resolve into carbonic acid gas and water, high energy particle is reduced into rapidly oxygen and water, without any residual contamination, more can not produce secondary pollution, to human body and environmentally friendly. Meanwhile, the accommodation space of this refining plant is also for the reaction of high-energy purifying particle and objectionable impurities provides carrier space, it is achieved that desirable decontamination effect improving.
Not only the air flowing through device is processed, and blow recirculated air by blower fan, the high energy particle produced in device is initiatively released into whole space, initiatively flutter and catch and cleaning bacteria, mould and obnoxious flavour. In high energy particle, ozone content is lower than national standard (0.10mg/m3), make active cleaner can have use under people's environment, generate friendly, safe and active high energy oxidosome subgroup (HEIG) by the air sucked, it is to increase the purification disinfecting power of air itself in better purifying space, under dynamic environment, remove the pollution substance in air.
The refining plant of the present invention can be installed in the pipeline of building ventilation installation, apparatus of air conditioning, it is possible to acting in minitype air conditioner or ventilation, the air inlet of air regenerating device or gas exhaust duct, application mode is flexible, volume is little, and weight is light, is convenient to installation and removal. The present invention can be applicable in the compound ventilation air-changing device that other are not enumerated equally.
Above one embodiment of the present of invention is described in detail, but described content is only the better embodiment of the present invention, the practical range for limiting the present invention can not be considered to. All equalizations done according to the present patent application scope change and improvement etc., all should still belong within the patent covering scope of the present invention.
Claims (7)
1. a purification of air device, it is characterized in that: the ultraviolet emission device within comprising the photocatalyst passage within the shell being arranged on fixed action and being arranged at space that photocatalyst passage surrounds, photocatalyst passage is porous channel, described porous channel comprises front passage and rear passage, front passage windage is less than rear passage, and described ultraviolet emission device is wavelength is the ultraviolet lamp that 185nm and 254nm combines.
2. purification of air device according to claim 1, it is characterised in that: described rear channel surface increases resistance net.
3. purification of air device according to claim 1 and 2, it is characterised in that: described porous channel surface coating photocatalyst.
4. purification of air device according to claim 3, it is characterised in that: described photo-catalytic nano fineness is 5-10nm.
5. the purifying method of purification of air device according to claim 1, it is characterised in that: blower fan drives the air in space, and by air intake purification of air device, first air carries out catalysed oxidn through the front passage of photocatalyst passage; Then flow forward, due to the windage difference of the forward and backward passage of photocatalyst passage, forming the convolution of air-flow between forward and backward passage, air produces by being detained, within the space that forward and backward passage surrounds, form oxidation storehouse, carry out photochemical catalytic oxidation by ultraviolet emission device; Catalysed oxidn is again carried out again through passage later; Pollutent in air decomposes in whole process, and is activated by air and generate high energy particle, finally returns in space; High energy particle is released into whole space, initiatively flutters and catches and obnoxious flavour in better purifying space, obnoxious flavour resolves into carbonic acid gas and water, and high energy particle is reduced into oxygen and water.
6. the purifying method of purification of air device according to claim 5, it is characterised in that: ultraviolet emission device adopts the power of UV light source to adjust according to the ozone safe concentration of measuring and calculating, and ozone safe concentration is determined according to spatial volume and ozone GB value.
7. the purposes of purification of air device according to claim 1, it is characterised in that: purification of air device is installed in the pipeline of constructure ventilation equipment, apparatus of air conditioning; Or in the air inlet of minitype air conditioner or ventilation, air regenerating device or gas exhaust duct.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310444441.6A CN103495335B (en) | 2013-09-25 | 2013-09-25 | A kind of purification of air device and purifying method thereof |
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| CN201310444441.6A CN103495335B (en) | 2013-09-25 | 2013-09-25 | A kind of purification of air device and purifying method thereof |
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| CN103495335B true CN103495335B (en) | 2016-06-01 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104445762B (en) * | 2014-11-14 | 2016-08-31 | 四川卓众科技有限公司 | A kind of water sterilization purification method and device |
| CN107842951A (en) * | 2017-11-02 | 2018-03-27 | 南京汉尔斯生物科技有限公司 | A kind of air cleaning unit and its purification method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2756643Y (en) * | 2004-07-16 | 2006-02-08 | 鸿富锦精密工业（深圳）有限公司 | Gas filter |
| CN202590592U (en) * | 2012-03-28 | 2012-12-12 | 北京净佳电子有限公司 | Photocatalyst component |
| CN203507803U (en) * | 2013-09-25 | 2014-04-02 | 天津市众联科技发展有限公司 | Air purification device |
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- 2013-09-25 CN CN201310444441.6A patent/CN103495335B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2756643Y (en) * | 2004-07-16 | 2006-02-08 | 鸿富锦精密工业（深圳）有限公司 | Gas filter |
| CN202590592U (en) * | 2012-03-28 | 2012-12-12 | 北京净佳电子有限公司 | Photocatalyst component |
| CN203507803U (en) * | 2013-09-25 | 2014-04-02 | 天津市众联科技发展有限公司 | Air purification device |
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