CN105561705A - Air pollutant disposal device and method - Google Patents

Air pollutant disposal device and method Download PDF

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Publication number
CN105561705A
CN105561705A CN201610079479.1A CN201610079479A CN105561705A CN 105561705 A CN105561705 A CN 105561705A CN 201610079479 A CN201610079479 A CN 201610079479A CN 105561705 A CN105561705 A CN 105561705A
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CN
China
Prior art keywords
air
water tank
water
indoor
treating apparatus
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610079479.1A
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Chinese (zh)
Inventor
王飞
张文局
王含笑
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Guest Agree Electric Ltd Co
Original Assignee
Anhui Guest Agree Electric Ltd Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Anhui Guest Agree Electric Ltd Co filed Critical Anhui Guest Agree Electric Ltd Co
Priority to CN201610079479.1A priority Critical patent/CN105561705A/en
Publication of CN105561705A publication Critical patent/CN105561705A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D47/00Separating dispersed particles from gases, air or vapours by liquid as separating agent
    • B01D47/02Separating dispersed particles from gases, air or vapours by liquid as separating agent by passing the gas or air or vapour over or through a liquid bath
    • B01D47/024Separating dispersed particles from gases, air or vapours by liquid as separating agent by passing the gas or air or vapour over or through a liquid bath by impinging the gas to be cleaned essentially in a perpendicular direction onto the liquid surface
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86Catalytic processes
    • B01D53/8678Removing components of undefined structure
    • B01D53/8687Organic components
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/30Treatment of water, waste water, or sewage by irradiation
    • C02F1/32Treatment of water, waste water, or sewage by irradiation with ultraviolet light
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/72Treatment of water, waste water, or sewage by oxidation
    • C02F1/78Treatment of water, waste water, or sewage by oxidation with ozone
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2251/00Reactants
    • B01D2251/95Specific microorganisms
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00Specific treatment goals
    • C02F2303/04Disinfection
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

Abstract

The invention discloses an air pollutant disposal device. The air pollutant disposal device comprises a water tank, a catalysis device, an exhaust pipeline and an air feed pipeline. A preset volume of water exists in the water tank, air in a room is led into the part under the water surface of the water tank by the exhaust pipeline, and air in the water tank is fed into the room by the air feed pipeline. The catalysis device is located under the water surface of the water tank. According to the disposal device, the water capable of circulating is used as a main body for air cleaning, inhalable particles and large particles in the air are insoluble in the water and can settle naturally in the water, secondary pollution to the air can be avoided, and the air can make sufficient contact with the water in the water; meanwhile, pollutants in the air are decomposed by the catalysis device, and then the air is further purified. Compared with an existing air purification device, the disposal device can achieve a good air purification effect without causing secondary pollution. The invention further discloses an air pollutant disposal method.

Description

A kind for the treatment of apparatus of air pollutants and processing method
Technical field
The present invention relates to technical field of air purification, particularly relate to a kind for the treatment of apparatus and processing method of air pollutants.
Background technology
At present, air pollution phenomenon is more and more serious, has had a strong impact on the healthy of people.Air cleaning unit can adsorb, decomposes or transform various air pollutants, effectively improves air cleanliness, more and more welcomed by the people.
Existing air purifying process comprises dry cleaning and the large class of wet cleaning two.Relatively more conventional is dry cleaning, dry cleaning mainly built-in various filter screen layer by layer, filtration, adsorption of dust, peculiar smell, toxic gas have net filtration and technology such as application silver ion, anion, photocatalyst etc. without net filtration, pollutant is directly deposited on the devices such as filter screen, long term accumulation can make the air-hole blockage on filter screen, affect the filter effect of air, the dust be accumulated on filter screen can become the procreation body of bacterium, forms secondary pollution.Existing filter screen generally all cannot clean, and can only change, and adds the use cost of air purifier.The mode that namely wet cleaning washes, imitates the atomizing of raining, and water falls in point or the mode of line, and air to be clean fully can not contact with water, and clean-up effect is poor.
Therefore, how designing a kind of good purification, do not produce the air purifying process of secondary pollution, is the technical problem that those skilled in the art are badly in need of solving at present.
Summary of the invention
The object of this invention is to provide a kind for the treatment of apparatus of air pollutants, this treating apparatus to the good purification of air, and can not produce secondary pollution.Another object of the present invention is to provide a kind of processing method of air pollutants.
In order to realize above-mentioned technical purpose, the invention provides a kind for the treatment of apparatus of air pollutants, comprising water tank, catalytic unit, exhaust duct and air supply duct; Have the water of predetermined in described water tank, the air of indoor is introduced the underwater of described water tank by described exhaust duct, and the air in described water tank is sent into described indoor by described air supply duct; Described catalytic unit is positioned at the underwater of described water tank.
Alternatively, described exhaust duct one end is communicated with the top of described indoor, and the port of the other end is positioned at the underwater of described water tank; Described air supply duct one end is communicated with the top of described water tank, and the other end is communicated with the bottom of described indoor.
Alternatively, described exhaust duct is positioned at described undersurface described port and is provided with porous current divider, be provided with air exhausting device in described exhaust duct, described air exhausting device makes the air of described indoor enter the underwater of described water tank by described exhaust duct and described porous current divider.
Alternatively, be provided with temperature and humidity regulation module in described air supply duct, described temperature and humidity regulation module can change temperature and/or the humidity of the air sending into described indoor.
Alternatively, described catalytic unit is one or more in ultraviolet lamp tube, ozone generator, nano-catalyst net, energetic ion generating means.
Alternatively, the volume of described water tank is the volume 0.5% ~ 1% of described indoor, and the volume of the water in described water tank is 70% ~ 90% of the volume of described water tank.
Alternatively, described water tank is provided with discharge outlet and water supplement port.
Alternatively, PH value detector is provided with in described water tank.
Alternatively, the top of described water tank is also provided with balanced valve.
Present invention also offers a kind of processing method of air pollutants, comprise the following steps:
S1, passes into the air of indoor and is provided with in the water of catalytic unit;
S2, sends the air through washing and catalytic unit purification back to indoor.
The treating apparatus of air pollutants provided by the invention, comprises water tank, catalytic unit, exhaust duct and air supply duct; Have the water of predetermined in water tank, the air of indoor is introduced the underwater of water tank by exhaust duct, and the air in water tank is sent into indoor by air supply duct; Catalytic unit is positioned at the underwater of water tank.
The air of indoor can be introduced in the water of water tank by the exhaust duct of this treating apparatus, gas enters after in water, the particle dust etc. in gas can be made to precipitate in water, clean air, simultaneously, also catalytic unit is provided with in water, decomposing, purifying can be carried out to the gas pollutant in water, form water-soluble material or on-contaminated gas and material, in addition, when the microorganisms such as the bacterium in water are by catalytic unit, can be inactivated postprecipitation.
This treating apparatus uses water capable of circulation as the main body of air cleaner, pellet in air and bulky grain thing water insoluble, can natural sedimentation in water, the secondary pollution to air can not be produced, air fully can contact with water in water, simultaneously, catalytic unit decomposes the pollutant in air, further air is purified, compared with existing air cleaning unit, this treating apparatus not only can not produce secondary pollution, can also obtain good air purification effect.
Present invention also offers a kind of processing method of air pollutants, first, the air of indoor is passed into and is provided with in the water of catalytic unit, then, send the air through washing and catalytic unit purification back to indoor.This processing method does not produce secondary pollution, and can obtain good clean-up effect.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of detailed description of the invention for the treatment of apparatus of air pollutants provided by the present invention;
Fig. 2 is the flow chart of the processing method of air pollutants provided by the present invention.
Wherein, the Reference numeral in Fig. 1 and the corresponding relation between component names as follows:
Water tank 1; Discharge outlet 11; Water supplement port 12; Balanced valve 13;
Catalytic unit 2;
Exhaust duct 3; Porous current divider 31; Air exhausting device 32;
Air supply duct 4; Temperature and humidity regulation module 41.
Detailed description of the invention
Core of the present invention is to provide a kind for the treatment of apparatus of air pollutants, and this treating apparatus to the good purification of air, and can not produce secondary pollution.Another core of the present invention is to provide a kind of processing method of air pollutants.
In order to make those skilled in the art person understand the present invention program better, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Please refer to Fig. 1, Fig. 1 is the structural representation of a kind of detailed description of the invention for the treatment of apparatus of air pollutants provided by the present invention.
In a kind of concrete embodiment, the invention provides a kind for the treatment of apparatus of air pollutants, comprise water tank 1, catalytic unit 2, exhaust duct 3 and air supply duct 4; Have the water of predetermined in water tank 1, the air of indoor is introduced the underwater of water tank 1 by exhaust duct 3, and the air in water tank 1 is sent into indoor by air supply duct 4; Catalytic unit 2 is positioned at the underwater of water tank 1.
The air of indoor can be introduced in the water of water tank 1 by the exhaust duct 3 of this treating apparatus, and gas enters after in water, the particle in gas, dust etc. can be made to precipitate in water, clean air, removes the pellet in air and bulky grain thing; Meanwhile, in water, be also provided with catalytic unit 2, decomposing, purifying can be carried out to the gas pollutant in water, can the dusty gas such as decomposing organic gas, nitrogen oxide, ammonia sulfide, make it form water-soluble material or on-contaminated gas and material; In addition, the microorganisms such as the bacterium in water swim in water, during by catalytic unit 2, can be inactivated, then precipitate.Overflow from water through gas that is clean and purification, the pressure of the gas in water tank 1 is raised, and then make gas send the air after purification back to indoor by air supply duct 4.
This treating apparatus uses water capable of circulation as the main body of air cleaner, and the pellet in air and bulky grain thing can natural sedimentations in water, can not produce the secondary pollution to air; In whole process, air fully can contact with water, and clean-up effect is better; Meanwhile, the pollutant in catalytic unit 2 pairs of air decomposes, and purifies further, obtain good air purification effect to air.Compared with existing air cleaning unit, this treating apparatus not only good purification, and can not secondary pollution be produced.
One preferred embodiment in, exhaust duct 3 one end is communicated with indoor top, and the port of the other end is positioned at the underwater of water tank 1; Air supply duct 4 one end is communicated with the top of water tank 1, and the other end is communicated with indoor bottom.
Exhaust duct 3 high level indoor deflates, and after purification, send into indoor low level place by air supply duct 4, make indoor air flows upwards, the air after clean moves up gradually, improves indoor air.Exhaust duct 3 and air supply duct 4 define gas circulation between indoor and water tank 1, and indoor air is cleaned circulating in process of gas.
In embodiment concrete further, exhaust duct 3 is positioned at undersurface port and is provided with porous current divider 31, is provided with air exhausting device 32 in exhaust duct 3, and air exhausting device 32 makes indoor air be entered the underwater of water tank 1 by exhaust duct 3 and porous current divider 31.
When indoor air is entered by exhaust duct 3 in the water of water tank 1, by porous current divider 31, porous current divider 31 has the split channel of multiple pore, gas by time can be shunted, gas is disperseed fully in water, increase the contact area of gas and water, guarantee gas fully contacts with water, improves the cleaning effect of air.
Be provided with air exhausting device 32 in exhaust duct 3, air exhausting device 32 can be blower fan, the equipment that room air can be extracted out by exhaust fan etc.Concrete, air exhausting device 32 can be selected according to the volume of indoor, air exhausting device 32 be deflated indoor according to certain air quantity and purifies.
In another kind of further embodiment, be provided with temperature and humidity regulation module 41 in air supply duct 4, temperature and humidity regulation module 41 can change the temperature and/or humidity of sending into indoor air.
Air after purification overflows from water, then indoor are sent back to through air supply duct 4, send back in indoor process, by the temperature and humidity regulation module 41 in air supply duct 4, regulate the temperature of air, humidity, the demand making the humiture of air reach comfortable, makes the air of Clean and comfortable turn back to indoor, while carrying out indoor air circulation purification, take into account indoor humiture demand.
In above-mentioned each concrete embodiment, catalytic unit 2 is one or more in ultraviolet lamp tube, ozone generator, nano-catalyst net, energetic ion generating means.
Ultraviolet lamp tube and ozone generator have the effect of sterilization, can carry out inactivation treatment to the bacterium in the air sent in water, bacterium remains just can with dust and particle sedimentation and bottom.Meanwhile, the illumination of ultraviolet lamp tube can active catalytic oxidant on excitation nano catalyst network, is decomposed into carbon dioxide and water to the VOC gas catalysis in the air sent in water.
The energetic ion that energetic ion generating means can produce in water, utilizes the activity of hydrone to drive, and continues to catch not from dust granules thing and the bacterium of sedimentation in water tank 1, plays acceleration dust granules thing further and gathers sedimentation and bacteria inactivation speed.
Concrete, different catalytic units can decompose different air pollutants, the type of catalytic unit is not limited to above-mentioned several device, and the catalytic unit being placed in water, according to the needs of concrete purification of air, selects one or more catalytic units to purify air.
In a kind of concrete embodiment, the volume of water tank 1 is 0.5% ~ 1% of the volume of indoor, and the volume of the water in water tank 1 is 70% ~ 90% of the volume of water tank 1.
The volume of water tank 1 and the volume of room air of this treating apparatus are certain proportion, can purify whole air of indoor within the regular hour, preferred scheme is the volume of water tank 1 is 0.5% ~ 1% of the volume of indoor, the such as room of about 100 cubic metres, area 33 square metres is high 3 meters, the water tank 1 of 1 cubic metre can be configured, the air of indoor is purified.
Certain air is left in water tank 1, a kind of scheme is the volume of water in water tank 1 is 70% ~ 90% of water tank 1 volume, when air after purification overflows from water, the pressure of water tank 1 air part is increased, and then make the air after evolving under the effect of pressure, send indoor back to by air supply duct 4.
In another kind of concrete embodiment, water tank 1 is provided with discharge outlet 11 and water supplement port 12.
This treating apparatus repeatedly circulates to air after evolution, and dust and particle precipitate in water, and making has certain sediment in water; In addition, material water-soluble after catalytic unit decomposing pollutant, can change the pH value of water.So, after circulation after a while, the water in water tank 1 can be changed, discharge a certain amount of water by discharge outlet 11, then fill into a certain amount of water by water supplement port 12.Obtain in water tank 1 when sediment reaches a certain amount of or when the pH value of water reaches certain standard, change the water in water tank 1.
In addition, can also water supplement port 12 be passed through, regularly fill into hydrogen peroxide solution.Hydrogen peroxide has strong oxidizing property, can strengthen the bactericidal action in water tank 1, maintains the cleaning in water tank further.And can utilize the effect of hydrogen peroxide, the surface of protection catalytic unit 2, can not collect dust mud, catalytic effect can not be affected and continue response effect.And hydrogen peroxide solution non-secondary pollution, can directly be discharged in municipal wastewater pipe network.
In another kind of concrete embodiment, PH value detector can be established in water tank 1.
PH value detector can detect the pH value of water in water tank 1, and when the pH value of water reaches predetermined value, the water in prompting changing water tank 1, ensures that the water in water tank 1 is no more than the standard that can discharge, can not produce secondary pollution to environment.
In another kind of concrete embodiment, the top of water tank 1 is also provided with balanced valve 13.
Air spilling from water through purification can increase the pressure of gas in water tank, if the speed of the gas overflowed from water, air supply duct 4 is slower to the speed of indoor conveying air, the pressure in water tank 1 then can be made constantly to raise, in order to ensure the safety of water tank 1, be provided with balanced valve 13, avoid water tank 1 due to pressure too high and there is potential safety hazard.
Please refer to Fig. 2, Fig. 2 is the flow chart of the processing method of air pollutants provided by the present invention.
Present invention also offers a kind of processing method of air pollutants, comprise the following steps:
Step S1, passes into the air of indoor and is provided with in the water of catalytic unit;
Step S2, sends the air through washing and catalytic unit purification back to indoor.
This processing method adopts the water that can be recycled as the main body of air cleaner, being sent to by certain air quantity by room air is provided with in the water tank of catalytic unit, after washing and catalytic purification, send back to indoor, send back in indoor process, the humiture of air can be regulated according to the comfort need of indoor temperature and humidity, make the air of Clean and comfortable turn back to indoor.Present invention utilizes the catalytic decomposition technology of principle that particle dust precipitates in water and dusty gas, while acquisition indoor cleaning air, do not produce secondary pollution.
Above the treating apparatus of air pollutants provided by the present invention and processing method are described in detail.Apply specific case herein to set forth principle of the present invention and embodiment, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improve and modify and also fall in the protection domain of the claims in the present invention.

Claims (10)

1. a treating apparatus for air pollutants, is characterized in that, comprises water tank (1), catalytic unit (2), exhaust duct (3) and air supply duct (4); The water of predetermined is had in described water tank (1), the air of indoor is introduced the underwater of described water tank (1) by described exhaust duct (3), and the air in described water tank (1) is sent into described indoor by described air supply duct (4); Described catalytic unit (2) is positioned at the underwater of described water tank (1).
2. the treating apparatus of air pollutants as claimed in claim 1, it is characterized in that, described exhaust duct (3) one end is communicated with the top of described indoor, and the port of the other end is positioned at the underwater of described water tank (1); Described air supply duct (4) one end is communicated with the top of described water tank (1), and the other end is communicated with the bottom of described indoor.
3. the treating apparatus of air pollutants as claimed in claim 2, it is characterized in that, described exhaust duct (3) is positioned at described undersurface described port and is provided with porous current divider (31), be provided with air exhausting device (32) in described exhaust duct (3), described air exhausting device (32) makes the air of described indoor enter the underwater of described water tank (1) by described exhaust duct (3) and described porous current divider (31).
4. the treating apparatus of air pollutants as claimed in claim 2, it is characterized in that, be provided with temperature and humidity regulation module (41) in described air supply duct (4), described temperature and humidity regulation module (41) can change temperature and/or the humidity of the air sending into described indoor.
5. the treating apparatus of the air pollutants as described in any one of Claims 1-4, is characterized in that, described catalytic unit (2) is ultraviolet lamp tube, one or more in ozone generator, nano-catalyst net, energetic ion generating means.
6. the treating apparatus of air pollutants as claimed in claim 5, it is characterized in that, the volume of described water tank (1) is 0.5% ~ 1% of the volume of described indoor, and the volume of the water in described water tank (1) is 70% ~ 90% of the volume of described water tank (1).
7. the treating apparatus of air pollutants as claimed in claim 6, it is characterized in that, described water tank (1) is provided with discharge outlet (11) and water supplement port (12).
8. the treating apparatus of air pollutants as claimed in claim 7, it is characterized in that, described water tank is provided with PH value detector in (1).
9. the treating apparatus of air pollutants as claimed in claim 8, it is characterized in that, the top of described water tank (1) is also provided with balanced valve (13).
10. a processing method for air pollutants, is characterized in that, comprises the following steps:
S1, passes into the air of indoor and is provided with in the water of catalytic unit;
S2, sends the air through washing and catalytic unit purification back to indoor.
CN201610079479.1A 2016-02-02 2016-02-02 Air pollutant disposal device and method Pending CN105561705A (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN201610079479.1A CN105561705A (en) 2016-02-02 2016-02-02 Air pollutant disposal device and method

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108035760A (en) * 2017-11-17 2018-05-15 中国矿业大学 A kind of air cleaning unit
CN108917023A (en) * 2018-08-03 2018-11-30 六安志成智能科技有限公司 A kind of high temperature sterilization suction type air purifier
CN109114715A (en) * 2018-09-25 2019-01-01 四川建源节能科技有限公司 Natural electro-catalysis liquid spray clean air manufacturing device
CN110327481A (en) * 2019-07-17 2019-10-15 陈伟华 A kind of herding treatment multifunctional intellectual decontamination system
CN110454882A (en) * 2019-07-08 2019-11-15 珠海市康顺电器科技有限公司 A kind of system purifying air

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CN202751911U (en) * 2012-07-09 2013-02-27 天津市中宝空调设备有限公司 Air filter part of flowing water source
CN103344008A (en) * 2013-07-09 2013-10-09 武汉纺织大学 Indoor air sterile washing technology and equipment
CN103673127A (en) * 2013-12-09 2014-03-26 李刘睿 Water washing type air purifying device
CN104566667A (en) * 2014-12-28 2015-04-29 王宁雷 Air purifier

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Publication number Priority date Publication date Assignee Title
CN2481398Y (en) * 2001-06-13 2002-03-13 梁明东 Smoke and gas purifier
KR101125620B1 (en) * 2010-02-23 2012-03-27 조규호 a air purifier
CN201676640U (en) * 2010-05-27 2010-12-22 中国科学院广州能源研究所 Fan-blade photocatalysis phase-transfer air purifier
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108035760A (en) * 2017-11-17 2018-05-15 中国矿业大学 A kind of air cleaning unit
CN108917023A (en) * 2018-08-03 2018-11-30 六安志成智能科技有限公司 A kind of high temperature sterilization suction type air purifier
CN109114715A (en) * 2018-09-25 2019-01-01 四川建源节能科技有限公司 Natural electro-catalysis liquid spray clean air manufacturing device
CN110454882A (en) * 2019-07-08 2019-11-15 珠海市康顺电器科技有限公司 A kind of system purifying air
CN110327481A (en) * 2019-07-17 2019-10-15 陈伟华 A kind of herding treatment multifunctional intellectual decontamination system

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Application publication date: 20160511