CN1981878B - Air cleaning device, air cleaning system equipped with such a device and use of such a system - Google Patents
Air cleaning device, air cleaning system equipped with such a device and use of such a system Download PDFInfo
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- CN1981878B CN1981878B CN2006101456322A CN200610145632A CN1981878B CN 1981878 B CN1981878 B CN 1981878B CN 2006101456322 A CN2006101456322 A CN 2006101456322A CN 200610145632 A CN200610145632 A CN 200610145632A CN 1981878 B CN1981878 B CN 1981878B
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Abstract
The invention provides air purification equipment, an air purification system provided with the air purification equipment and application of the air purification system. The equipment effectively removes various pollutants such as Volatile Organic Compounds (VOC), formaldehyde, benzene, ammonia, suspended particles and the like in the air and peculiar smell by comprehensively utilizing purification technologies such as oxidation, photolysis and the like while killing microorganisms such as bacteria, mold, viruses and the like and dust mites, and has strong applicability. The invention also provides a method for purifying air, an air purification system provided with the air purification equipment and an application of the system for purifying air.
Description
Technical field
The present invention relates to air purification field, specifically, the present invention relates to a kind of air cleaning facility and air cleaning system of this equipment and uses thereof is housed.
Background technology
The development of urbanization makes indoor life and work occupy the time of people more than 80 percent.Along with growth in the living standard reaches the concern to personal health, to the also raising day by day of requirement of IAQ.World Health Organization (WHO) and national governments also in the past more than ten years the health effect that room air pollution causes is assessed, and the warning in following many decades, room air pollution will become important " killer " of personal health.The SARS of the bird flu that took place in 1997, outburst in 2003 and during the autumn and winter disease such as recurrent influenza also all with public places such as indoor and transport facility in air quality closely related.
To the pollution in the public places such as indoor and transport facility, drainage screen is one of conventional means of improving air quality.But because drainage screen can only be at a distance from pollutant such as filter dust; Can't remove other harmful substances and antibacterial in institute's filtered air; And excessive dust accumulates, and can become the hotbed of antibacterial and other microorganisms, so these means can not satisfy the requirement that purifies air fully.
The technology that reaches public place air such as transport facility in existing other clean rooms comprises: use chemical reagent to purify sterilization, utilize ozone to purify sterilization, utilize uviol lamp to carry out the direct irradiation antibacterial and make technology such as photoactivation, plasma carry out purified treatment.
Above-mentioned air purifying process all has certain effect, but also exists limitation separately.For example, can not remove dissimilar air pollutants comprehensively; Produce secondary pollution; Air-polluting clean-up effect to serious is not remarkable; And safeguard problems such as inconvenience.And the solid that is used for purifying air or liquid freshener more or less contain and are unfavorable for human body even carcinogenic chemical constituent.
Ozone has functions such as antibacterial, deodorization, but the low excessively ozone DeGrain of concentration, and ozone concentration too high (being higher than 0.1ppm) can cause problems such as human chest pain, cough, of short duration dyspnea and stimulation throat.In addition, the present various discharge type ozonators that adopt all have nitric acid and oxynitride pollution problems; Though the ozonator of improvement can not produce oxynitride, the concentration of ozone still can't be well controlled.Though uviol lamp can kill airborne harmful microorganism, it can't effectively remove chemical and physical pollution thing, and like suspended particles etc., and it uses the restriction that can receive conditions such as radiant power, radiated time and angle of radiation usually.The air purifying process that photocatalysis and plasma technology etc. are new then exists effectiveness and practical problems such as stability and secondary pollution respectively.
Chinese patent 200420021772.5 disclosed miniature nanometer photocatalytic air purifying machines use photocatalysis technology, ozone technology and means such as double frequency ultraviolet technology and chemical reagent jointly; Can dispel dust, kill bacteria, elimination abnormal flavour and leave delicate fragrance, obtain good air purification effect.But the amount of cleansers such as the ozone that its defective is this air cleaner to be designed, hydroxyl is less, and bactericidal effect is not obvious; And behind life-time service, reduce effectiveness and the stability that its photo-catalysis function influences air cleaning thereby dust can cover on the titanium dioxide, safeguard also inconvenient.Because crossing low this air cleaner, air quantity is only applicable to small-sized room in addition, and for the DeGrain in transport facility and large-scale room.
Therefore, need that a kind of efficient stable of exploitation, the suitability are strong, the air cleaning facility of easy maintenance.
Summary of the invention
One aspect of the present invention provides a kind of air cleaning facility, and this equipment comprises double frequency ultraviolet purifier, the thermoelectric purifier of piezoelectricity and light catalytic purifying device.This equipment is through purification techniques such as comprehensive utilization oxidation, photodissociation; In microorganisms such as kill bacteria, mycete, virus and dirt demodicid mite, can effectively remove multiple pollutant and different, stinks such as airborne VOC (VOC), formaldehyde, benzene, ammonia, suspended particles, and have the stronger suitability.
The present invention provides a kind of air cleaning method on the other hand, comprises making the air flow that needs to purify through above-mentioned air cleaning facility.This method is simple to operate, and can for example use in train, bus, the car at multiple indoor environment and transport facility.
The purposes that further aspect of the present invention provides a kind of air cleaning system and purifies air.Said air cleaning system comprises that above-mentioned air cleaning facility and a kind of blast produce equipment.Air cleaning system of the present invention is not only applicable to wind pipe type or the fan unit tubular type central air-conditioning in the heavy construction; Be applicable to that also various needs carry out the place of air cleaning; For example, various indoor environments and transport facility, for example train, bus, car; Also applicable to different, the stink eliminated in the various environment.Detect through experiment, cleaning system of the present invention all can obtain significant effect in above-mentioned every field.
Description of drawings
Fig. 1 is the perspective view of a specific embodiments of air cleaning facility of the present invention, and wherein said air cleaning facility has the single tube structure.
Fig. 2 is the sectional view along the air cleaning facility of the present invention of A-A line shown in Figure 1 intercepting.
Fig. 3 is the perspective view of another specific embodiments of air cleaning facility of the present invention, and wherein said air cleaning facility has double pipe structure.
Fig. 4 is a sketch map that the air cleaning system of the present invention of air cleaning facility of the present invention and central air-conditioning is housed.
The specific embodiment
One aspect of the present invention provides a kind of air cleaning facility, and this equipment comprises double frequency ultraviolet purifier, the thermoelectric purifier of piezoelectricity and light catalytic purifying device.This equipment is through purification techniques such as comprehensive utilization oxidation, photodissociation; In microorganism such as kill bacteria, mycete, virus and dirt demodicid mite, effectively remove multiple pollutant and different, stinks such as airborne VOC (VOC), formaldehyde, benzene, ammonia, suspended particles, and have the stronger suitability.
Wherein, said double frequency ultraviolet purifier can be 185 nanometers and 254 nanometer double frequency ultraviolet pipes.The airborne oxygen conversion of ultraviolet photodissociation of 185 nanometers becomes an amount of ozone; And the ultraviolet of 254 nanometers of matched doses becomes oxygen also to reduce the concentration of ozone simultaneously ozone reduction; Thereby form the environment that ozone and oxygen are changed each other, constantly produce highly active single oxygen atom.
These single oxygen atoms can directly be removed airborne some pollutant, like volatile organic matter etc.Those skilled in the art can be according to known experimental data and the suitable double frequency ultraviolet combination of Professional knowledge configuration; Confirm the power of ultraviolet source simultaneously according to practical situations such as spatial size to be clean, air quantity, pollution situation and bactericidal purifying requirements; Guarantee that equipment produces the cleanser that comprises ozone, hydroxyl etc. of capacity; Effectively clear the pollution off, and guarantee that indoor ozone concentration meets the standard of each department.
Said light catalytic purifying device is the solid material that scribbles catalysis material.And, make a side that scribbles catalysis material usually towards double frequency ultraviolet purifier.Can be used for catalysis material of the present invention is titanium dioxide, preferred Nano titanium dioxide, and can be mixed with the oxide of zinc, silver or copper therein.Under the effect of light catalytic purifying device, the double frequency ultraviolet purifier further moisture in the catalytic air produces strong oxidizer such as hydroxyl, superoxide ion, hydroxyl ion and negative oxygen ion to eliminate airborne microorganism and to remove contaminants of chemical origin.
The thermoelectric purifier of said piezoelectricity is the solid material that the top layer scribbles the piezoelectricity thermoelectric material, preferably uses nanoscale piezoelectricity thermoelectric material.Said piezoelectricity thermoelectric material is at pressure; Blast for example; And under the effect of heat energy; Can produce the potential difference of electrostatic pressure, make this material ambient air ionization, thereby contiguous hydrone and oxygen conversion are the strong oxidizers such as hydroxyl and negative oxygen ion with antibacterial and sterilizing function up to electron volts up to a million.Can be used for piezoelectricity thermoelectric material of the present invention and comprise, for example, the high crystal of Buddhist nun is promptly by one or more compositionss formed in Rochelle salt, tourmaline, quartz and the topaz.Preferably, the piezoelectricity thermoelectric material is the nano material of being made up of 0～30wt% Rochelle salt, 70～100wt% tourmaline, 0～30wt% quartz and 0～30wt% topaz.The thermoelectric purifier of this piezoelectricity can be by means of air cleaning facility air inlet of the present invention and the heat energy that produced of the give vent to anger wind-force that produced and equipment itself; Generation has the strong oxidizer and the negative oxygen ions such as hydroxyl of antibacterial and sterilizing function; With other purifier synergism, with the ability of further raising device clear pollutant.Because the above-mentioned effect of piezoelectricity thermoelectric material does not rely on light source, therefore can not influence its ionisation effect and the ability that produces strong oxidizer owing to the covering of dust or other materials, thereby strengthen the stability and the effectiveness of equipment, prolonged the life-span of equipment.
Preferably; Thermoelectric purifier of said piezoelectricity and light catalytic purifying device are that a side scribbles catalysis material; Opposite side scribbles the metal material of piezoelectricity thermoelectric material, and makes a side that scribbles catalysis material towards double frequency ultraviolet purifier, will reduce the volume of air cleaning facility so greatly.In a preferred embodiment, with the thermoelectric purifier of above-mentioned piezoelectricity and light catalytic purifying device place double frequency ultraviolet purifier around, and make a side that scribbles catalysis material towards double frequency ultraviolet purifier.More preferably, the piezoelectricity thermoelectric material is coated in the skin of metal material, and catalysis material is coated in the internal layer of metal material, thereby reduce owing to dust covers the probability that catalysis material causes photo-catalysis function to reduce.
Above-mentioned metal material used in the present invention is generally the sheet material that has on it or do not have hole, preferable alloy plate or metal guard, more preferably metal guard.In a preferred air cleaning facility 2 of the present invention (referring to Fig. 1 and Fig. 2); Said double frequency ultraviolet purifier is 185 nanometers and 254 nanometer double frequency ultraviolet pipes 20; And thermoelectric purifier of said piezoelectricity and light catalytic purifying device are that internal layer 22 scribbles titanium dioxide, the metal guard 21 that skin 23 scribbles by one or more the piezoelectricity thermoelectric materials formed in Rochelle salt, tourmaline, quartz and the topaz.This embodiment has unexpectedly obtained the collaborative air purification effect that significantly surpasss the expectation.Be not limited under the theoretical prerequisite, the applicant thinks that the metal guard has produced a kind of field effect, makes collaborative enhancing of air cleaning effect of the thermoelectric purifier of double frequency ultraviolet purifier, light catalytic purifying device and piezoelectricity.In addition, the later maintenance of this embodiment is simple, only needs in needs, to change double frequency ultraviolet pipe and gets final product.
In a further preferred embodiment, air cleaning facility of the present invention has double pipe structure as shown in Figure 3.Wherein, Said double frequency ultraviolet purifier is 185 nanometer ultraviolet pipes 31 and 254 nanometer ultraviolet pipes 32; The thermoelectric purifier of said piezoelectricity is the metal guard 33 that scribbles by one or more the piezoelectricity thermoelectric materials formed in Rochelle salt, tourmaline, quartz and the topaz, and said light catalytic purifying device is the metal guard 34 that scribbles titanium dioxide.This embodiment has also unexpectedly obtained the collaborative air purification effect that obviously surpasss the expectation.
The present invention provides a kind of air cleaning method on the other hand, comprises making the air flow that needs to purify through air cleaning facility of the present invention.This method is simple to operate, and can for example use in train, bus, the car at multiple indoor environment and transport facility.
The purposes that further aspect of the present invention provides a kind of air cleaning system and purifies air.Said air cleaning system comprises that above-mentioned air cleaning facility and a kind of blast produce equipment.Air cleaning system of the present invention is not only applicable to wind pipe type or the fan unit tubular type central air-conditioning in the heavy construction; Be applicable to that also various needs carry out the place of air cleaning; For example, various indoor environments and transport facility, for example train, bus, car; Also applicable to different, the stink eliminated in the environment.Detect through experiment, cleaning system of the present invention all can obtain significant effect in above-mentioned every field.
Said blast generation equipment can be pump, ventilation fan or air-conditioning etc.Air cleaning facility is generally looked concrete condition and is installed in the blast generation equipment or near it.For example, when blast generation equipment was on-board air conditioner, said blast produces equipment can be installed in returning/air supply position of on-board air conditioner; When said blast generation equipment was the wind pipe type central air-conditioning, said blast produced equipment and can be installed in the airduct of air-conditioning; When said blast generation equipment was fan unit tubular type central air-conditioning, said blast produces equipment can be installed in returning/air supply position of air-conditioning.
As shown in Figure 4, air cleaning facility of the present invention is installed in the return air position of central air-conditioning exhausting system (HVAC); Promptly utilize inherent circulation of air-conditioning exhausting system and distribution system, purify between on air at return air, antibacterial and disinfecting, make IAQ meet safety, comfortable requirement.
Embodiment
Embodiment 1
The air cleaning facility of the present invention that will have structure as shown in Figure 1 is installed in the car inner area and is about 27m
2Public transport motor bus (Shanghai AK8061) in, adopt the described method of GB/T18204-2000 to detect.Wherein, double frequency ultraviolet cleaning equipment is that radiation wavelength is the double frequency ultraviolet pipe of 185 nanometers and 254 nanometers; Catalysis material is a titanium dioxide; The piezoelectricity thermoelectric material is made up of 90wt% tourmaline and 10wt% topaz.Record before using air cleaning facility 150/cubic metre of the bacterial population average out in (between 20:50～21:00) car, use 9/cubic metre of the interior bacterial population average out to of (between 4:33～4:42) car after 7 hours.
This result shows that air cleaning facility of the present invention has good bactericidal effect.
The air cleaning facility of the present invention that will have structure as shown in Figure 3 is installed in the biological medicine laboratory, adopts the described method of GB/T18204-2000 to detect.Wherein, double frequency ultraviolet cleaning equipment is the double frequency ultraviolet pipe that radiation wavelength with double pipe structure is respectively 185 nanometers and 254 nanometers; Catalysis material is a Nano titanium dioxide; The piezoelectricity thermoelectric material is a tourmaline.Record before using air cleaning facility 1100/cubic metre of the bacterial population average out in the laboratory, uses 190/cubic metre of the interior bacterial population average out to of laboratory after 2 hours.
This result shows that air cleaning facility of the present invention has good bactericidal effect.
Embodiment 3
The air cleaning facility of the present invention that two offices of the meeting room (detection site 1) of good Room 3304, heart square, Central China and Office Area (detection site 2) and the permanently happy No. 989 29 building 01B in road in Shanghai (being respectively detection site 3 and detection site 4) have structure as shown in Figure 1 according to installation shown in Figure 4 in Shanghai respectively.Wherein, in the air cleaning facility that on detection site 1 and 2, detects, double frequency ultraviolet cleaning equipment is that radiation wavelength is the double frequency ultraviolet pipe of 185 nanometers and 254 nanometers; Catalysis material is a Nano titanium dioxide; The piezoelectricity thermoelectric material is made up of 80wt% tourmaline and 20wt% quartz.In the air cleaning facility that on detection site 3 and 4, detects, double frequency ultraviolet cleaning equipment is that radiation wavelength is the double frequency ultraviolet pipe of 185 nanometers and 254 nanometers; Catalysis material is a Nano titanium dioxide; The piezoelectricity thermoelectric material is made up of 90wt% tourmaline and 10wt% Rochelle salt.
Wherein, detection site is all disposed according to the requirement of GB 50325-2001 " civil building engineering indoor environmental pollution control standard ", closes the door and window of being examined the house, and the measuring point uniform distribution is avoided ventilating duct and vent.Synchronous acquisition outdoor air blank value during sampling, door and window was closed 7 hours between the detection anterior chamber.
The detection of benzene is carried out according to the said method of GB11737-89, and the detection of TVOC (total volatile organism) is carried out according to the said method of GB50325-2001, and the detection of formaldehyde is carried out according to the said method of GB/T18204.26-2000.Testing result and its corresponding limit value respectively like following table 1 to shown in the table 3.
The testing result of table 1 benzene and limit value
The testing result of table 2 TVOC and limit value
The testing result of table 3 formaldehyde and limit value
The above results shows, uses air cleaning system of the present invention can effectively reduce content of harmful in the air, makes the quality of room air meet the pertinent regulations of GB50325-2001 standard.
Claims (14)
1. air cleaning facility that is used for indoor environment or transport facility; This equipment comprises double frequency ultraviolet purifier, the thermoelectric purifier of piezoelectricity and light catalytic purifying device; Thermoelectric purifier of wherein said piezoelectricity and light catalytic purifying device are that a side scribbles catalysis material; Opposite side scribbles the metal material of piezoelectricity thermoelectric material; Said light catalytic purifying device scribbles a side of catalysis material towards double frequency ultraviolet purifier, and said double frequency ultraviolet purifier is that radiation wavelength is the double frequency ultraviolet pipe of 185 nanometers and 254 nanometers, and said piezoelectricity thermoelectric material is by one or more nano materials formed in Rochelle salt, tourmaline, quartz and the topaz.
2. the air cleaning facility of claim 1 is characterized in that, said piezoelectricity thermoelectric material is the nano material of being made up of 0～30wt% Rochelle salt, 70～100wt% tourmaline, 0～30wt% quartz and 0～30wt% topaz.
3. the air cleaning facility of claim 1 is characterized in that, said catalysis material is a Nano titanium dioxide.
4. the air cleaning facility of claim 1 is characterized in that, said metal material is metallic plate or metal guard.
5. the air cleaning facility of claim 1 is characterized in that, said metal material is the metal guard.
6. the air cleaning facility of claim 1; It is characterized in that; Thermoelectric purifier of said piezoelectricity and light catalytic purifying device are that internal layer scribbles Nano titanium dioxide; Skin scribbles the metal guard by one or more the piezoelectricity thermoelectric materials formed in Rochelle salt, tourmaline, quartz and the topaz, and said double frequency ultraviolet purifier is that radiation wavelength is the double frequency ultraviolet pipe of 185 nanometers and 254 nanometers.
7. air cleaning method comprises making the air flow that needs the to purify air cleaning facility through claim 1.
8. an air cleaning system comprises that the air cleaning facility of claim 1 and blast produce equipment.
9. the system of claim 8 is characterized in that, said air cleaning facility is installed in the blast generation equipment or near it.
10. claim 8 or 9 system is characterized in that said blast generation equipment is pump, ventilation fan or air-conditioning.
11. the system of claim 10 is characterized in that, said blast generation equipment is on-board air conditioner.
12. the system of claim 11 is characterized in that, said air cleaning facility is installed in returning/air supply position of on-board air conditioner.
13. the system of claim 10 is characterized in that, said blast generation equipment is central air-conditioning.
14. the system of claim 13 is characterized in that, said air cleaning facility is installed in the airduct of central air-conditioning or returns/air supply position.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| HK05111466.7 | 2005-12-14 | ||
| HK05111466A HK1092329A2 (en) | 2005-12-14 | 2005-12-14 | Multi-catalytic ionization air purification technology |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1981878A CN1981878A (en) | 2007-06-20 |
| CN1981878B true CN1981878B (en) | 2012-11-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006101456322A Active CN1981878B (en) | 2005-12-14 | 2006-11-22 | Air cleaning device, air cleaning system equipped with such a device and use of such a system |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN1981878B (en) |
| HK (1) | HK1092329A2 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102357256A (en) * | 2011-07-19 | 2012-02-22 | 凯天环保科技股份有限公司 | Two-waveband photocatalyst titanium oxide catalytic purifying module |
| CN114749169B (en) * | 2022-04-22 | 2023-12-22 | 陕西科技大学 | Thermoelectric base photocatalyst and preparation method and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1519207A (en) * | 2003-01-23 | 2004-08-11 | 翰信科技股份有限公司 | Sterilizing unit of ultraviolet rediationa nd ozone with improved sterukuzubg effect |
| CN2681747Y (en) * | 2004-01-20 | 2005-03-02 | 河南新飞电器有限公司 | Integrated sterilizing device |
| CN1687268A (en) * | 2005-05-02 | 2005-10-26 | 复旦大学 | Controlled released stably coating material capable of purifying air and preparation method thereof |
-
2005
- 2005-12-14 HK HK05111466A patent/HK1092329A2/en not_active IP Right Cessation
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2006
- 2006-11-22 CN CN2006101456322A patent/CN1981878B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1519207A (en) * | 2003-01-23 | 2004-08-11 | 翰信科技股份有限公司 | Sterilizing unit of ultraviolet rediationa nd ozone with improved sterukuzubg effect |
| CN2681747Y (en) * | 2004-01-20 | 2005-03-02 | 河南新飞电器有限公司 | Integrated sterilizing device |
| CN1687268A (en) * | 2005-05-02 | 2005-10-26 | 复旦大学 | Controlled released stably coating material capable of purifying air and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| HK1092329A2 (en) | 2007-02-02 |
| CN1981878A (en) | 2007-06-20 |
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