CN100427183C - Air purification assembly filled with nano TiO2-carried ball - Google Patents
Air purification assembly filled with nano TiO2-carried ball Download PDFInfo
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- CN100427183C CN100427183C CNB2006100099633A CN200610009963A CN100427183C CN 100427183 C CN100427183 C CN 100427183C CN B2006100099633 A CNB2006100099633 A CN B2006100099633A CN 200610009963 A CN200610009963 A CN 200610009963A CN 100427183 C CN100427183 C CN 100427183C
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- housing
- indoor air
- air
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Abstract
The present invention provides a combined device for purifying filling type ball carried nanometer TiO2 gas, which comprises a housing, wherein a gas inlet hole is arranged on the side wall of the housing, an ultraviolet light tube is arranged in the middle of the housing, and a clean air outlet is arranged at the bottom of the housing. Glass beads coated with nanometer titanium dioxide photocatalysts are filled between the housing and the ultraviolet light tube. The combined device of the present invention combines photocatalysis oxidizing technology and adsorbing and filtering technology to remove indoor air pollution substances. With the advantages of convenient use and economy, the device can be used in an indoor air purifier to increase the efficiency of removing indoor air pollution substances of the indoor air purifier. The device is mainly used for removing indoor air pollution substances and particularly has a favorable removing effect on organic chemical pollutants generated in indoor decoration. Besides, the device thoroughly decomposes indoor air organic pollutants, so that secondary pollution is avoided.
Description
(1) technical field
What the present invention relates to is a kind of air cleaning unit, and specifically a kind of photocatalysis oxidation technique and absorption, filtering technique used combines and handle the device of polluter in the room air.
(2) background technology
Indoor air cleaner is one of main method of room air pollution purification in recent years.Along with the raising of living standards of the people, its application is more general.The homemade indoor air cleaner of China adopts traditional purification styles such as filter screen anion, electrostatic precipitation and ozone generation more, and the ubiquity treatment effeciency is lower, easily cause deficiencies such as secondary pollution.Though and imported product adopts advanced technology, but fetch long price, and most of volume is bigger.More to use in the present family, customer responsiveness ozone-air clarifier preferably is an example, its by to indoor release ozone to reach the oxidation indoor pollutant, with the purpose of contaminant degradation.But experimental studies results shows that there are disadvantages such as oxidation efficiency is lower, indoor ozone too high levels in this equipment, easily human body is worked the mischief.Another kind of widespread usage be the indoor air cleaner that adopts filter type, suspension during though it can effectively purify the air of a room and small part harmful substance, but can't eliminate the chemical contamination that decorations cause, exist simultaneously that filter screen need regularly replace and the uncertain problem of life cycle, and the indoor air pollutants that is attracted to screen surface is not thoroughly removed, thereby used filter screen needs post-processed.Therefore, commercially available air purifier remains further to be improved, and removes efficient to improve it, reduces the generation of secondary pollution simultaneously.
(3) summary of the invention
The object of the invention is to provide a kind of good purification, non-secondary pollution, filled type ball that cost is low to carry nano-TiO
2Air purification assembly.
The object of the present invention is achieved like this: it comprises housing, on housing sidewall, have air admission hole, air admission hole on described housing sidewall air admission hole area from top to bottom reduces gradually, the centre of housing is provided with ultraviolet lamp tube, housing bottom has the pure air outlet, between housing and ultraviolet lamp tube, be filled with the bead that is coated with the Nano titanium dioxide photocatalyst, be coated with fiber fabric layer at housing, housing bottom and be coated with between the bead of Nano titanium dioxide photocatalyst and be provided with fiber-reactive charcoal filter screen.
The present invention adopts the filled type ball to carry the gas purification treating apparatus that the nano titanium dioxide photocatalysis oxidation technology combines with absorption, filtering technique.
Room air is entered by the side that purifies composite set under the pneumatic power source effect of routine.At first pass through fabric, particle in the room air is trapped removal, gas enters the photocatalysis oxidation reaction stage then, the gas bead that be coated with Nano titanium dioxide photocatalyst interior with being filled in device contacts, organic pollution in the room air is that photocatalyst is adsorbed when contacting with the bead that is coated with the Nano titanium dioxide photocatalyst, and further under the irradiation of uviol lamp, the energy that utilizes black light to provide is decomposed into micromolecular pollutant by the photocatalyst catalytic oxidation.This intermediate product also be not able to do in time under the situation of photocatalyst surface desorption, further is the photocatalyst catalytic oxidation, finally is broken down into water and carbon dioxide.From the photocatalyst surface desorption, the fiber-reactive charcoal filter screen of flowing through purifies once more then, enters air to prevent the small organic molecule matter of not decomposed fully on a small quantity, and the air of last sanitary safe flows out and purifies composite set.The housing of interior lights catalyst reaction device is cylindrical, stainless steel, and the side has air admission hole, and the air admission hole area reduces gradually from top to bottom, can make overall optical catalytic reaction process uniformity of temperature profile like this, and steady air current, thereby reach more stable removal effect.
The present invention utilizes photocatalysis oxidation technique to combine with absorption, filtering technique indoor air pollutants is removed, easy to use, economical, can be applied in the indoor air cleaner, improve the removal efficient of indoor air cleaner to indoor air pollutants, be mainly used in the removal of indoor air pollutants, especially the indoor organic chemical pollutant that causes because of finishing there is removal effect preferably, and can compare completely the room air organic pollution and decompose, avoid the generation of secondary pollution.
(4) description of drawings
Accompanying drawing is a structural representation of the present invention.
(5) specific embodiment
For a more detailed description to the present invention for example below in conjunction with accompanying drawing:
The filled type ball carries nano-TiO
2The composition of air purification assembly comprises housing 5, on housing sidewall, have air admission hole 6, the centre of housing is provided with ultraviolet lamp tube 4, and housing bottom has pure air outlet 2, is filled with the bead 7 that is coated with the Nano titanium dioxide photocatalyst between housing and ultraviolet lamp tube.Be coated with fiber fabric layer 3 at housing.Housing bottom and be coated with between the bead of Nano titanium dioxide photocatalyst and be provided with fiber-reactive charcoal filter screen 8.
The room air 1 that contains organic pollution filters the laggard photochemical catalytic oxidation room air treating apparatus of going into through fabric under external conventional gas power source effect, contact with the bead that is coated with the Nano titanium dioxide photocatalyst in the device.Organic pollution in the gas is that the photocatalyst on bead surface is adsorbed, and under the irradiation of uviol lamp degradation reaction takes place, thereby is able to remove from room air.For having prevented that small amounts of contamination from remaining in the gas, the outlet of reactor is equipped with fiber-reactive charcoal filter screen, and the little molecule organic pollution of not degraded is fully adsorbed removal.The end product carbon dioxide of light-catalyzed reaction degradation of organic substances and water then flow out the purification composite set with the air of cleaning.
It is a popular research topic both domestic and external in recent years that photocatalysis technology is handled pollutant.Photocatalyst of titanium dioxide is with its special physicochemical characteristic, for example in the photocatalyst of numerous kinds: thermal property is stable, low, the decomposition efficiency advantages of higher of cost, has obtained using very widely in various fields.At present, the photocatalysis research direction comprises organic matter decomposition reaction, inorganic matter redox reaction etc.
Light-catalyzed reaction occurs in titanium dioxide catalyst grains surface, when photon (photon) shines in titanium dioxide catalyst surface and its energy (hv) during more than or equal to the edge energy of titanium dioxide catalyst, will have electron-hole pair (electron-electron hole pair) and produce.When certain pollutant is adsorbed on photocatalyst surface, conductive strips (conduction band then; CB) electronics on will carry out reduction reaction with it, and valency electricity band (valence band; VB) oxidation reaction is then carried out in the hole on it.It is generally acknowledged that this electron-hole pair is if promptly can form the hydroxyl free radical (OH with activity with water molecule reaction
), this active OH
Has extremely strong redox ability, effectively decomposing pollutant.Al-Ekabi etc. once proposed hydroxyl free radical in 1998 can be via electric hole and the H that is adsorbed in titanium dioxide surface
2O or OH
-Reaction and generate, its reaction is as follows:
hvb
++H2O→OH
·+H
+
hvb
++OH
-→OH
·
Photocatalytic oxidation is removed the reaction efficiency of organic pollution, influenced by several factors.Its reaction efficiency is except that closely related with the kind of photocatalyst, light intensity, light utilization efficiency, operating condition, temperature, humidity etc., and DESIGN OF REACTOR also is the important factor in order of photocatalysis oxidation reaction efficient.This device has improved the utilization ratio of luminous energy, and it is more abundant that pollutant is contacted with photocatalyst, thereby improved the removal efficient of photocatalytic oxidation to organic pollution.
Claims (1)
1, a kind of filled type ball carries nano-TiO
2Air purification assembly, it comprises housing, on housing sidewall, have air admission hole, it is characterized in that: the air admission hole on described housing sidewall air admission hole area from top to bottom reduces gradually, the centre of housing is provided with ultraviolet lamp tube, housing bottom has the pure air outlet, between housing and ultraviolet lamp tube, be filled with the bead that is coated with the Nano titanium dioxide photocatalyst, be coated with fiber fabric layer at housing, housing bottom and be coated with between the bead of Nano titanium dioxide photocatalyst and be provided with fiber-reactive charcoal filter screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100099633A CN100427183C (en) | 2006-04-26 | 2006-04-26 | Air purification assembly filled with nano TiO2-carried ball |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100099633A CN100427183C (en) | 2006-04-26 | 2006-04-26 | Air purification assembly filled with nano TiO2-carried ball |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1864819A CN1864819A (en) | 2006-11-22 |
| CN100427183C true CN100427183C (en) | 2008-10-22 |
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ID=37424056
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100099633A Expired - Fee Related CN100427183C (en) | 2006-04-26 | 2006-04-26 | Air purification assembly filled with nano TiO2-carried ball |
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| Country | Link |
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| CN (1) | CN100427183C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107388129A (en) * | 2017-07-31 | 2017-11-24 | 中山乐宜嘉家居设备有限公司 | A kind of fan lamp with air-cleaning function |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101823778B (en) * | 2010-05-24 | 2012-02-01 | 哈尔滨工程大学 | Continuous photocatalytic reaction device |
| CN101912729B (en) * | 2010-07-30 | 2012-12-05 | 华南理工大学 | Method for purifying organic polluted gas by utilizing glass ring covered with nanometer titanium dioxide thin film |
| US8529831B1 (en) * | 2010-12-17 | 2013-09-10 | Nano And Advanced Materials Institute Limited | System and method for air purification using an enhanced multi-functional coating based on in-situ photocatalytic oxidation and ozonation |
| CN102886205A (en) * | 2012-08-16 | 2013-01-23 | 韩汶冀 | Photolysis purifying device for poisonous waste gas |
| CN103203180A (en) * | 2012-09-14 | 2013-07-17 | 方孝贤 | Ornament capable of purifying indoor air pollution |
| EP2937139A4 (en) * | 2012-12-20 | 2016-12-14 | Inst Problem Khim Fiziki Ran (Ipkhf Ran) | Photocatalytic element for purification and disinfection of air and water and method for the production thereof |
| CN103453591A (en) * | 2013-08-14 | 2013-12-18 | 广西大学 | Photocatalytic fluidized bed air purifier |
| RU2610406C1 (en) * | 2015-10-16 | 2017-02-09 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Юго-Западный государственный университет" (ФГБОУВО ЮЗГУ) | Helio-heat-and-cold supply system |
| CN105727705B (en) * | 2016-04-11 | 2018-06-29 | 徐州工程学院 | A kind of photodegradation fume purifier of fume and its method of work |
| CN107905472A (en) * | 2017-10-31 | 2018-04-13 | 苏州巴洛特新材料有限公司 | There is the printing ornament plate of purification and airing function |
| CN109200814B (en) * | 2018-11-26 | 2020-08-07 | 重庆市农业科学院 | Low-energy-consumption and high-efficiency purification method and device for culture malodorous gas |
| CN111811069A (en) * | 2020-06-10 | 2020-10-23 | 陆则龙 | Formaldehyde removal ceramic tile based on photocatalyst technology |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1486778A (en) * | 2003-06-19 | 2004-04-07 | 上海交通大学 | Photocatalytic air purifier |
| CN2619632Y (en) * | 2003-05-15 | 2004-06-09 | 南海市华星光电实业有限公司 | Indoor air purifier |
-
2006
- 2006-04-26 CN CNB2006100099633A patent/CN100427183C/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2619632Y (en) * | 2003-05-15 | 2004-06-09 | 南海市华星光电实业有限公司 | Indoor air purifier |
| CN1486778A (en) * | 2003-06-19 | 2004-04-07 | 上海交通大学 | Photocatalytic air purifier |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107388129A (en) * | 2017-07-31 | 2017-11-24 | 中山乐宜嘉家居设备有限公司 | A kind of fan lamp with air-cleaning function |
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| Publication number | Publication date |
|---|---|
| CN1864819A (en) | 2006-11-22 |
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