CN208431874U - A kind of low concentration formaldehyde air purifier - Google Patents
A kind of low concentration formaldehyde air purifier Download PDFInfo
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- CN208431874U CN208431874U CN201820196082.5U CN201820196082U CN208431874U CN 208431874 U CN208431874 U CN 208431874U CN 201820196082 U CN201820196082 U CN 201820196082U CN 208431874 U CN208431874 U CN 208431874U
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Abstract
The utility model provides a kind of low concentration formaldehyde air purifier.For this clarifier using activated carbon adsorption, photocatalytic degradation, the more technology combinations of low-temperature plasma, purification efficiency is high, can purify the pollutants such as formaldehyde of extremely low concentration in air.Load nanometer composite Ti O2The ceramic honey comb net of photochemical catalyst, large specific surface area, translucency be good, high mechanical strength, photocatalysis efficiency and photo-quantum efficiency are high, photocatalytic activity is lasting.Air passes through the absorption and photocatalytic Degradation of activated charcoal strainer, effectively removes the pollutants such as dust, formaldehyde and bacterium.The addition of permanent magnet increases the energy of electronics, can generate more plasmas, to improve the efficiency of removing and harmful gas, especially has significant effect to pollutants such as removal low concentration formaldehydes.
Description
Technical field
The utility model relates to air purification field, in particular to a kind of low concentration formaldehyde air purifier.
Background technique
With the improvement of living conditions, air pollution problem inside rooms become increasingly conspicuous, mainly with formaldehyde, benzene-series compound
It is the microbial contamination of representative with bacterium, mould, virus for the chemical contamination of representative, and using dust, suspended particles as representative
Physical contamination.Room air pollution will lead to many diseases even cancer occur, administer room air pollution increasingly by
To the attention of people.
The purification method of room air mainly has filtering technique, active carbon adsorption technology, ultraviolet radiation for sterilizing and disinfecting skill at present
It is art, ozone purification technology, electrostatic precipitator technology, anion technology, photocatalysis technology, Purification biotechnology, chemical-agent technique, low
Isothermal plasma technology etc..There are gas pollutant removal efficiency is low, adsorbent is easy to inhale for filtering technique, active carbon adsorption technology
Attached saturation, strainer need to be replaced frequently, and maintenance cost is high；Ultraviolet radiation for sterilizing and disinfecting technology, ozone purification technology, which have human body, hurts
Evil, so application range is small；There is the problems such as generating ozone, the cleaning of collecting plate difficulty in traditional electrostatic precipitator technology；Anion is net
Change low efficiency, and is easy to produce the secondary pollutions such as ozone, nitrogen oxides；The particulate matter that photocatalysis not can solve in air is asked
Topic, the photo-quantum efficiency and photocatalysis efficiency of traditional photochemical catalyst are low, influence clean-up effect；Purification biotechnology purification efficiency
It is low；Chemical-agent technique is single in the presence of removal substance, generates secondary pollution problems；Low temperature plasma is under high voltage condition
It generates, gaseous pollutant, the particulate matter etc. in air can be removed, while having the function of sterilizing, but can generated
The by-products such as ozone.The distinguishing feature of volatile organic contaminant is that type is more, concentration is low in room air, in recent years, application
Lower temperature plasma technology joint other technologies combination processing low concentration pollutant becomes the hot spot studied both at home and abroad.
Utility model content
The purpose of this utility model is to provide a kind of low concentration formaldehyde air purifier for problem described above.It is this
For clarifier using activated carbon adsorption, photocatalytic degradation, the more technology combinations of low-temperature plasma, purification efficiency is high, can purify air
The pollutants such as the formaldehyde of middle extremely low concentration.
In order to solve the above technical problems, technical solution provided by the utility model is:
A kind of low concentration formaldehyde air purifier, including shell 1 and air intake blower fan 2, air-out blower fan 8, the one of the shell 1
End is equipped with air inlet 3, and the other end of the shell 1 is equipped with air outlet 4, and the air intake blower fan 2 is set at the air inlet 3, uses
It is pumped into shell 1 in by air, the air-out blower fan 8 is set at the air outlet 4, for purified air to be detached shell
1, which is characterized in that activated carbon adsorption device 5, photocatalytic degradation are set gradually by air inlet 3 to air outlet 4 in shell 1
Device 6 and low temperature plasma generating device 7, the photocatalytic degradation device include the first photocatalysis filter screen 61, second
Photocatalysis filter screen 62, ultraviolet lamp 63, the low temperature plasma generating device 7 include electric discharge pin electrode, electrode plate.
It is further preferred that the activated carbon adsorption device 5 is set to 2 sides on air intake blower fan, including active carbon filtering absorption
Layer, active carbon filter adsorption layer and are made of the subtle active carbon of mesh skeleton and covering thereon, and subtle active carbon specific surface area is
500-1500m2/ g, the dust of the submicron order for being adsorbed and removed in air and bacterium, the tentatively volatilization such as removal formaldehyde, toluene
Property toxic gas, and remove odors.
It is further preferred that the photocatalytic degradation device 6 is set to 5 top of activated carbon adsorption device, the first photocatalysis
Strainer 61, the second photocatalysis filter screen 62 are honeycomb ceramic plate, and load has nanometer composite Ti O thereon2Photochemical catalyst, ultraviolet lamp 63
The wavelength for issuing ultraviolet light is 200~280nm, can excite TiO2Photocatalysis, and bacterium can be directly killed, and can adopt
With not producing ozoniferous ultraviolet lamp.The pollutants such as the formaldehyde that photocatalytic degradation device is used to degrade in air, pass through dual catalytic
Agent degradation, degradation effect are more preferable.
It is further preferred that the nanometer composite Ti O2Photochemical catalyst is TiO2It adulterates and is received made of a small amount of iron or cerium ion
Meter level catalyst, the additional amount of ion are 2~the 4 ‰ of total catalyst weight, and the catalyst carrier honeycomb ceramic plate is often flat
There is the ceramic honey comb in the hole 250-350 on square inch.Nanoscale composite Ti O is loaded using method preparation is mixed2Ceramic honey comb net,
To widen TiO2Optical response range, improve quantum yield, improve photocatalysis efficiency.Photocatalytic degradation is improved simultaneously
The air cleaning amount of device improves the quality of purification air.
It is further preferred that the low temperature plasma generating device 7 is needle-plate electrode, the height in shell 1 is set
The pressure pulse power generates high-voltage pulse and is loaded on spray point, wherein being provided on the two poles of the earth of discharge of plasma in low temperature electrode
A pair of of permanent magnet 9.The addition of permanent magnet increases the energy of electronics, can generate more plasmas, to improve
The efficiency of removing and harmful gas especially has significant effect to pollutants such as removal low concentration formaldehydes.
The utility model has the following beneficial effects:
1, nanometer composite Ti O is loaded2The ceramic honey comb net of photochemical catalyst, large specific surface area, translucency be good, mechanical strength
High, photocatalysis efficiency and photo-quantum efficiency height, photocatalytic activity are lasting.Air passes through the absorption and photocatalysis of activated charcoal strainer
Degradation effectively removes the pollutants such as dust, formaldehyde and bacterium.
2, the gas after photocatalysis ceramic honey comb net enters between discharge of plasma in low temperature electrode, in high-voltage pulse
Under the action of a large amount of low temperature plasma will be generated around the spray point of discharge of plasma in low temperature electrode, on the one hand,
During generating low temperature plasma, the high instantaneous energy of high-frequency discharge generation, it is sufficient to open certain pernicious gas molecules
Chemical bond makes it resolve into simple substance atom or harmless molecule；On the other hand, a large amount of strong oxidizing properties can be generated in low temperature plasma
Free group, these free groups such as N, O, OH can effectively remove formaldehyde, sulfur dioxide, nitrogen dioxide of low concentration etc.
Pernicious gas.It joined permanent magnet between discharge of plasma in low temperature electrode, increase the energy of electronics, can generate more
Plasma, to improve the efficiency of removing and harmful gas.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
1- shell, 2- air intake blower fan, 3- air inlet, 4- air outlet, 5- activated carbon adsorption device, 6- photocatalytic degradation dress
It sets, 7- low temperature plasma generating device, 8- air-out blower fan, 9- permanent magnet, 61- the first photocatalysis filter screen, the second light of 62- is urged
Change filter screen, 63- ultraviolet lamp.
Specific embodiment
The utility model is further described with reference to the accompanying drawings and detailed description.
As shown in Figure 1, room air enters low concentration formaldehyde air cleaning by air inlet 3 under the driving of air intake blower fan 2
In device, by the suction-operated of active carbon filtering adsorption layer on activated carbon adsorption device 5, the powder of the submicron order in air is removed
Dirt and bacterium, tentatively the volatility toxic gas such as removal formaldehyde, toluene, and remove odors.After being filtered by activated carbon adsorption device 5
Air enter photocatalytic degradation device 6 therewith, under the irradiation of ultraviolet lamp 63, load have nanometer composite Ti O2Photochemical catalyst
Honeycomb ceramic plate is further degraded the pollutants such as the formaldehyde in air.It is the ultraviolet of 200~280nm that ultraviolet lamp 63, which issues wavelength,
Line can excite TiO2Photocatalysis, and can directly kill bacterium.Gas after photocatalysis ceramic honey comb net therewith into
Enter between the electric discharge pin electrode of low temperature plasma generating device 7 and electrode plate, it will be in low temperature etc. under the action of high-voltage pulse
A large amount of low temperature plasma is generated around the spray point of plasma discharge electrode, on the one hand, generating low temperature plasma
In the process, the high instantaneous energy that high-frequency discharge generates, it is sufficient to which the chemical bond for opening certain pernicious gas molecules makes it resolve into list
Matter atom or harmless molecule；On the other hand, the free groups such as N, O, OH of a large amount of strong oxidizing properties can be generated in low temperature plasma,
These free groups can effectively remove the pernicious gases such as the formaldehyde, sulfur dioxide, nitrogen dioxide of low concentration.Low temperature etc. from
It joined permanent magnet 9 between daughter discharge electrode, increase the energy of electronics, more plasmas can be generated, to improve
The efficiency of removing and harmful gas is gone, especially there is significant effect to pollutants such as removal low concentration formaldehydes.Finally, by net
Air after change is discharged shell 1 via air outlet 4 under the collective effect of air intake blower fan 2 and air-out blower fan 8 and enters the room environment.
It is above-mentioned although specific embodiments of the present invention are described with reference to the accompanying drawings, but not to utility model
The limitation of protection scope, those skilled in the art should understand that, based on the technical solution of the present invention, this field
Technical staff does not need to make the creative labor the various modifications or changes that can be made still in the protection scope of the utility model
It is interior.
Claims (5)
1. a kind of low concentration formaldehyde air purifier, including shell (1), air intake blower fan (2), air-out blower fan (8), the shell
(1) one end is equipped with air inlet (3), and the other end of the shell (1) is equipped with air outlet (4), and the air intake blower fan (2) is set to institute
It states at air inlet (3), for air to be pumped into shell (1), the air-out blower fan (8) is set at the air outlet (4), is used for
Purified air is detached into shell (1), which is characterized in that in shell (1) successively by air inlet (3) to air outlet (4)
Activated carbon adsorption device (5), photocatalytic degradation device (6) and low temperature plasma generating device (7), the photocatalysis are set
Decomposition apparatus (6) includes the first photocatalysis filter screen (61), the second photocatalysis filter screen (62), ultraviolet lamp (63), the low temperature
Plasma producing apparatus (7) includes electric discharge pin electrode, electrode plate.
2. low concentration formaldehyde air purifier according to claim 1, the activated carbon adsorption device (5) is set to air inlet wind
The top of machine (2), including active carbon filter adsorption layer, and active carbon filters the subtle work of adsorption layer thereon by mesh skeleton and covering
Property charcoal composition, subtle active carbon specific surface area be 500-1500m2/g。
3. low concentration formaldehyde air purifier according to claim 1, the photocatalytic degradation device (6) is set to active carbon
Above adsorbent equipment (5), the first photocatalysis filter screen (61) and the second photocatalysis filter screen (62) are honeycomb ceramic plate, are born thereon
It is loaded with nanometer composite Ti O2Photochemical catalyst, the wavelength that ultraviolet lamp (63) issues ultraviolet light is 200~280nm.
4. low concentration formaldehyde air purifier according to claim 3, the nanometer composite Ti O2Photochemical catalyst is TiO2It mixes
Nm-class catalyst made of miscellaneous a small amount of iron or cerium ion, the additional amount of ion is 2~the 4 ‰ of total catalyst weight, described to urge
Agent carrier honeycomb ceramic plate be per square inch on have the ceramic honey comb in the hole 250-350.
5. low concentration formaldehyde air purifier according to claim 1, the low temperature plasma generating device (7) are
Needle-plate electrode is arranged to generate high-voltage pulse in the high-voltage pulse power source in shell (1) and be loaded into and discharge on pin electrode, wherein
A pair of of permanent magnet (9) is provided on the two poles of the earth of discharge of plasma in low temperature electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820196082.5U CN208431874U (en) | 2018-02-05 | 2018-02-05 | A kind of low concentration formaldehyde air purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820196082.5U CN208431874U (en) | 2018-02-05 | 2018-02-05 | A kind of low concentration formaldehyde air purifier |
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| CN208431874U true CN208431874U (en) | 2019-01-25 |
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| CN201820196082.5U Active CN208431874U (en) | 2018-02-05 | 2018-02-05 | A kind of low concentration formaldehyde air purifier |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109915958A (en) * | 2019-04-18 | 2019-06-21 | 上海三因环保科技有限公司 | A kind of air purifier for removing formaldehyde by gas phase |
| CN110064291A (en) * | 2019-05-07 | 2019-07-30 | 中冶华天工程技术有限公司 | Integrated form low concentration foul waste gas processing unit |
| CN110425658A (en) * | 2019-07-19 | 2019-11-08 | 兰州交通大学 | A kind of air cleaner with photo-catalysis function |
| CN111038226A (en) * | 2019-12-31 | 2020-04-21 | 河海大学常州校区 | Combined discharge and catalytic vehicle air purifier |
| CN112032874A (en) * | 2020-08-27 | 2020-12-04 | 长沙京鳞子科技有限公司 | Virus killing type fresh air system for mobile biological cabin |
| WO2021148211A3 (en) * | 2020-01-23 | 2021-10-14 | Kunststoff Helmbrechts Ag | Method and devices for purifying exhaust air |
| WO2022008380A3 (en) * | 2020-07-06 | 2022-03-10 | Nualight Limited | An air sanitizer |
| CN114191950A (en) * | 2022-01-07 | 2022-03-18 | 河海大学 | A kind of discharge plasma formaldehyde rapid removal device |
| CN114909762A (en) * | 2022-03-15 | 2022-08-16 | 盐城工学院 | Wall-hanging intelligent removes antibiotic air purifier of aldehyde |
| CN115218337A (en) * | 2022-07-23 | 2022-10-21 | 武汉丽辉新技术有限公司 | Double-system air sterilizer based on low-temperature plasma space purification technology |
-
2018
- 2018-02-05 CN CN201820196082.5U patent/CN208431874U/en active Active
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109915958A (en) * | 2019-04-18 | 2019-06-21 | 上海三因环保科技有限公司 | A kind of air purifier for removing formaldehyde by gas phase |
| CN110064291A (en) * | 2019-05-07 | 2019-07-30 | 中冶华天工程技术有限公司 | Integrated form low concentration foul waste gas processing unit |
| CN110064291B (en) * | 2019-05-07 | 2021-09-24 | 中冶华天工程技术有限公司 | Integrated low-concentration stink waste gas treatment device |
| CN110425658A (en) * | 2019-07-19 | 2019-11-08 | 兰州交通大学 | A kind of air cleaner with photo-catalysis function |
| CN111038226A (en) * | 2019-12-31 | 2020-04-21 | 河海大学常州校区 | Combined discharge and catalytic vehicle air purifier |
| CN111038226B (en) * | 2019-12-31 | 2023-08-08 | 河海大学常州校区 | Discharge and catalysis combined vehicle-mounted air purifier |
| WO2021148211A3 (en) * | 2020-01-23 | 2021-10-14 | Kunststoff Helmbrechts Ag | Method and devices for purifying exhaust air |
| WO2022008380A3 (en) * | 2020-07-06 | 2022-03-10 | Nualight Limited | An air sanitizer |
| CN112032874A (en) * | 2020-08-27 | 2020-12-04 | 长沙京鳞子科技有限公司 | Virus killing type fresh air system for mobile biological cabin |
| CN114191950A (en) * | 2022-01-07 | 2022-03-18 | 河海大学 | A kind of discharge plasma formaldehyde rapid removal device |
| CN114909762A (en) * | 2022-03-15 | 2022-08-16 | 盐城工学院 | Wall-hanging intelligent removes antibiotic air purifier of aldehyde |
| CN115218337A (en) * | 2022-07-23 | 2022-10-21 | 武汉丽辉新技术有限公司 | Double-system air sterilizer based on low-temperature plasma space purification technology |
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Legal Events
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| TR01 | Transfer of patent right |
Effective date of registration: 20211014 Address after: 528000 room 603, building 12, Lihe Science Park, No. 99, Taoyuan East Road, Shishan town, Nanhai District, Foshan City, Guangdong Province (residence declaration) Patentee after: Foshan Nuolan Environmental Protection Technology Co.,Ltd. Address before: 518110 Room 501, Caifu building, 134 building, Sanhe xiner village, Tongsheng community, Dalang street, Longhua District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN TAINIAO TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right |