CN107965849A - A kind of indoor air cleaning system with inner-outer circulation function - Google Patents

A kind of indoor air cleaning system with inner-outer circulation function Download PDF

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Publication number
CN107965849A
CN107965849A CN201710137270.0A CN201710137270A CN107965849A CN 107965849 A CN107965849 A CN 107965849A CN 201710137270 A CN201710137270 A CN 201710137270A CN 107965849 A CN107965849 A CN 107965849A
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CN
China
Prior art keywords
air
cleaning system
outer circulation
housing
filtration membrane
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
CN201710137270.0A
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Chinese (zh)
Inventor
郑祥
尚闽
沈志鹏
程荣
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Renmin University of China
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Renmin University of China
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 Renmin University of China filed Critical Renmin University of China
Priority to CN201710137270.0A priority Critical patent/CN107965849A/en
Publication of CN107965849A publication Critical patent/CN107965849A/en
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
    • F24F3/16—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by purification, e.g. by filtering; by sterilisation; by ozonisation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/28—Arrangement or mounting of filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
    • F24F8/108—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering using dry filter elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
    • F24F8/15—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by chemical means
    • F24F8/167—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by chemical means using catalytic reactions
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/20—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation
    • F24F8/22—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation using UV light

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)

Abstract

The present invention relates to a kind of air cleaning system with the indoor air cleaning system of inner-outer circulation function to include housing, inner-outer circulation switching switch, air filtration membrane component, ultraviolet lamp, photocatalysis element and axial fan；Housing tip offers air outlet, and bottom offers interior circulation air inlet and external circulation air inlet, and interior circulation air inlet or external circulation air inlet inlet air are selected by inner-outer circulation switching switch；The top of air filtration membrane component is open, it is arranged in housing and there is the annular space for air flow between housing；Ultraviolet lamp is axially arranged in air filtration membrane component；Photocatalysis element housing is on ultraviolet lamp, and between air filtration membrane component and ultraviolet lamp outer wall；Axial fan, axial fan are installed on the open end of air filtration membrane component.The present invention is a kind of novel indoor air system with two kinds of purification patterns of inner-outer circulation, can realize and the efficient of indoor air pollutants is removed.

Description

A kind of indoor air cleaning system with inner-outer circulation function
Technical field
The present invention relates to a kind of air cleaning facility, more particularly to a kind of indoor air cleaning with inner-outer circulation function Change system.
Background technology
Indoor most important air pollutants have PM at present2.5, VOCs, microbial aerosol, ammonia, radon gas and CO2Deng, Main purification techniques has ventilation, filtering, absorption, ultraviolet, photocatalysis and plasma etc..Since outside atmosphere is subject to serious dirt The mode of dye, gravity-flow ventilation or force ventilation can not be used directly to dilution and replace indoor pollution air.Therefore, air is net Changing device becomes the first choice that people purify the air of a room.But air purifier currently on the market can not effectively remove indoor all Air pollutants, for example, to CO2, radon gas acted on almost without any removal, and if people are chronically at CO2, radon gas surpasses Target environment, can produce very major injury to health.Therefore, for indoor CO2, the existing air purifier such as radon gas is difficult to only The air pollutants of change, it is necessary to take the mode of ventilation dilution that pollutant is discharged to outdoor, make indoor pollutant be reduced to standard In limit value.
Therefore, to make indoor air quality reach the requirement of health of people, indoor air cleaner is relied solely on also not Requirement can be fully achieved, it is also necessary to can just meet the requirements by the cyclic permutation of indoor and outdoor air.Outdoor Air Quality compared with In the case of difference, the major pollutants being introduced into room air are removed, to ensure that indoor original pollutant is gone Except while, do not introduce new pollutant.But during using outer circulation function, indoor PM2.5It can only be cleaned once with microorganism, There is higher requirement to the single purification efficiency of system；And when outdoor damage ratio is more serious, long-time service outer circulation can increase The load of cleaning system, reduces the service life of system.And interior circulation can carry out indoor pollutant multiple circularly purifying, Pollutant can be dropped to extremely low level.Therefore, it is empty to design a kind of new indoor with two kinds of purification patterns of inner-outer circulation Gas cleaning system, to realize that to efficient remove of indoor air pollutants be current urgent problem to be solved.
The content of the invention
In view of the above-mentioned problems, the object of the present invention is to provide a kind of indoor air purification system with inner-outer circulation function System, the system can efficiently remove PM2.5, VOCs, microbial aerosol, CO2, ammonia, the indoor air pollutants such as radon gas, clearly New room air.
To achieve the above object, the present invention takes following technical scheme：A kind of room air with inner-outer circulation function Cleaning system, it is characterised in that the air cleaning system includes：Housing, the housing tip offer air outlet, and bottom opens up There are interior circulation air inlet and external circulation air inlet；Inner-outer circulation switching switch, by inner-outer circulation switching switch selection Circulate air inlet or external circulation air inlet inlet air；Air filtration membrane component, the top of the air filtration membrane component is open, it sets It is placed in the housing and there is the annular space for air flow between the housing；Ultraviolet lamp, the ultraviolet lamp are set vertically Put in the air filtration membrane component；Photocatalysis element, the photocatalysis element housing are located at described on the ultraviolet lamp Between air filtration membrane component and ultraviolet lamp outer wall；Axial fan, the axial fan are installed on the air-filtering membrane The open end of element.
In a preferred embodiment, the housing is cylinder-like structure, and a diameter of 60cm of the housing, is highly 100cm。
In a preferred embodiment, the interior circulation air inlet and the diameter of external circulation air inlet are 10cm, institute State a diameter of 30cm of air outlet.
In a preferred embodiment, the photocatalysis element includes photocatalysis carrier and photochemical catalyst, and the light is urged Change carrier is screw blade structure, and photocatalyst is on photocatalysis carrier.
In a preferred embodiment, the photochemical catalyst uses P25Titanium dioxide.
In a preferred embodiment, the air filtration membrane component is cylinder-like structure, and it is same with the housing Axis is set.
In a preferred embodiment, the air filtration membrane component outer diameter is 50cm, inner diameter is 40cm, be highly 80cm, filter membrane thickness be 5cm, filter material developed area 4m2；The filter material uses filtering rank as H12 glass fibers Tie up filter material.
In a preferred embodiment, the power of the axial fan is 54w, maximum quantity of wind 530m3/ h, it is maximum Static pressure is 300Pa, noise 45dB.
In a preferred embodiment, the UVC-254nm that the ultraviolet lamp uses length to be 15W for 70cm, power is purple Outer light source.
Due to taking above technical scheme, it has the following advantages the present invention：1st, the present invention is provided simultaneously with indoor air cleaning Change the function of device and fresh air purifier, can realize the switching of two kinds of purification patterns, gather the advantage, more of two kinds of purification styles The shortcomings that having mended single purification style.2nd, present invention collection purification particulate pollutant, microbial contamination, the pollution of formaldehyde pollution three major types Thing is in one, and internal structure compact in design, effectively make use of spatial volume, and purification efficiency is high；Air filtration membrane component can be with Filter out most PM2.5And microorganism, be enriched in microorganism on filter membrane can by ultraviolet inactivation, gaseous pollutant VOC with Photochemical catalyst contact is abundant, by catalytic degradation under the irradiation of ultraviolet lamp.3rd, air filtration membrane component of the invention is cylindrical shape, Air can all enter from bottom and side, compared to frame panel-style filter element, increase the filter area of filter membrane, reduce filter The windage of film, increases the air quantity and Clean air delivery rate of system.4th, light-catalyzed reaction cavity of the invention is cylinder-like structure, phase Than in deckle board formula photocatalysis module, light-catalyzed reaction cavity space is big, and pollutant stops reaction time length, photocatalysis carrier and purple Outer lamp efficient coupling, light utilization ratio is high, improves the catalytic degradation efficiency of system.5th, photocatalysis carrier of the invention uses spiral shell Rotating blade construction, can not only increase photocatalysis area, improve overall photocatalysis efficiency, but also can also make the gas in cavity More it is uniformly mixed.
Brief description of the drawings
Fig. 1 is the diagrammatic cross-section of structure of the present invention；
Fig. 2 is the schematic top plan view of structure of the present invention；
Fig. 3 is the present invention to indoor PM2.5Removal capacity schematic diagram；
Fig. 4 is removal capacity schematic diagram of the present invention to indoor formaldehyde；
Fig. 5 is the present invention to indoor CO2Removal capacity schematic diagram formaldehyde.
Reference numeral in figure：
1 is housing；2 be inner-outer circulation switching switch；3 be interior circulation air inlet；4 be external circulation air inlet；5 be ultraviolet Lamp；6 be photocatalysis element；7 be air filtration membrane component；8 be axial fan；9 be air outlet.
Embodiment
The present invention is described in detail below with reference to the accompanying drawings and embodiments.It should be appreciated, however, that the offer of attached drawing is only For a better understanding of the present invention, they should not be interpreted as limitation of the present invention.
As shown in Figure 1 and Figure 2, the present invention includes housing 1, inner-outer circulation switching switch 2, interior circulation air inlet 3, outer circulation Air inlet 4, ultraviolet lamp 5, photocatalysis element 6, air filtration membrane component 7, axial fan 8 and air outlet 9.Air outlet 9 is set On 1 top of housing, interior circulation air inlet 3 and external circulation air inlet 4 are arranged on 1 bottom of housing, and are opened by inner-outer circulation switching Close 2 selection air inlet modes.Air filtration membrane component 7 is arranged in housing 1, and there is the ring for air flow between housing 1 It is empty.Ultraviolet lamp 5 is axially arranged in air filtration membrane component 7, and photocatalysis element 6 is sleeved on ultraviolet lamp 5, and is located at air mistake Between 5 outer wall of filter membrane component 7 and ultraviolet lamp.The top of air filtration membrane component 7 is open, and axial fan 8 is installed on air mistake The open end of filter membrane component 7.
In a preferred embodiment, housing 1 is cylinder-like structure, and a diameter of 60cm of housing 1, is highly 100cm； Interior circulation air inlet 3 and the diameter of external circulation air inlet 4 are 10cm, a diameter of 30cm of air outlet 9.
In a preferred embodiment, photocatalysis element 6 includes photocatalysis carrier and photochemical catalyst, and photocatalysis carrier is Screw blade structure, photocatalyst can not only increase light on photocatalysis carrier, using screw blade structure and urge Change area, improve overall photocatalysis efficiency, and the gas in cavity can also be made more to be uniformly mixed；Photochemical catalyst uses P25Two Titanium oxide, to the inactivation ratio of microorganism more than 99.9%, the primary purification efficiency of the VOCs such as PARA FORMALDEHYDE PRILLS(91,95) is more than 70%.
In a preferred embodiment, air filtration membrane component 7 is cylinder-like structure, and it is coaxially disposed with housing 1； 7 outer diameter of air filtration membrane component is 50cm, inner diameter 40cm, be highly 80cm, filter membrane thickness be 5cm, filter material exhibition Open area 4m2；Filter material uses filtering rank as H12 glass fiber filters, to PM2.5Once filtering with microbial aerosol is imitated Rate is more than 99%.
In a preferred embodiment, the HF-150 types that axial fan 8 is produced using Shenzhen Hong Guan motors producer Number wind turbine, power 54w, maximum quantity of wind 530m3/ h, maximum static pressure 300Pa, noise 45dB.
In a preferred embodiment, ultraviolet lamp 5 uses the UVC-254nm that length is 15W for 70cm or so, power Ultraviolet source.
In a preferred embodiment, air cleaning system design air output is 450m3/ h, to PM2.5, microorganism Aerosol, the Clean air delivery rate (CADR) of formaldehyde are respectively 300m3/ h, 300m3/ h, 200m3/ h, to the energy of particulate matter and formaldehyde The highest standard that effect is satisfied by air purifier standard (GB/T18801-2015) with parameter indexes such as accumulative purge amounts (CCM) will Ask.
In the use of the present invention, the indoor place for leaning on wall is disposed at, and in wall drilling cloth pipeline with the present invention's External circulation air inlet 4 is connected, and so air inlet can be controlled by inner-outer circulation switching switch 2, when circulation air inlet 3 in selection When, which has air purifier function, and pollutants in air is purified by indoor circulation；When selection outer circulation During air inlet 4, which has the function of fresh air purifier, and indoor, dilution is introduced after outdoor air is purified Replace indoor air pollutants.For two kinds of purification patterns of inner-outer circulation, the cleaning principle that pollution air enters in cavity is one Cause：First, the air for entering air cleaning system cavity first passes through air filtration membrane component 7, air filtration membrane component 7 Filter membrane can retain and filter out most PM2.5And microorganism；Microorganism of the Sync enrichment on filter membrane again can be ultraviolet Lamp 5 inactivates, avoid microorganism bred on filter membrane, the generation of secondary pollution.It then passes through the sky of air filtration membrane component 7 The gaseous pollutants such as the VOC in gas are contacted with photocatalysis element 6, by catalytic degradation under the irradiation of ultraviolet lamp 5.Finally, enter Pure air after cavity is purified is transported to interior through axial fan 8.
The using effect of the present invention is proved below by a specific experiment：
Using area as=15m2, be highly 2.4m2Room exemplified by, it is assumed that indoor and outdoor PM2.5Concentration is respectively 240 μ g/m3、 300μg/m3, indoor and outdoor concentration of formaldehyde is respectively 0.5mg/m3、0mg/m3, to produce formaldehydogenic amount be 10.8mg/h for indoor source, interior There are two people, indoor generation CO2Measure and referred to for 40000ml/h, the selection of other specification《Air purifier standard》(GB/T 18801-2015) parameter chooses specification in annex F.
Theory is purified according to air purifier, is replaced using air cleaning system provided by the invention with two kinds of purification styles Operation, the alternate run cycle is 30min, to indoor PM2.5, formaldehyde, CO2Removal capacity respectively as shown in figures 3-5：It is indoor PM2.5Concentration is finally in 16~19 μ g/m3Between fluctuate；Indoor formaldehyde concentration is finally also in 0.04~0.06mg/m3Between fluctuate； Indoor CO2Concentration is finally in 605~928ml/m3Between fluctuate, removal of the air cleaning system to three kinds of air pollutants is imitated Fruit reaches《Indoor Air Quality standards》(GB/T18883-2002) the concentration standard limitation in requires.
The various embodiments described above are merely to illustrate the present invention, wherein the structure of each component, connection mode and manufacture craft etc. are all It can be varied from, every equivalents carried out on the basis of technical solution of the present invention and improvement, should not exclude Outside protection scope of the present invention.

Claims (9)

1. a kind of indoor air cleaning system with inner-outer circulation function, it is characterised in that the air cleaning system includes：
Housing, the housing tip offer air outlet, and bottom offers interior circulation air inlet and external circulation air inlet；
Inner-outer circulation switching switch, by the inner-outer circulation switching switch select in circulation air inlet or external circulation air inlet into Wind；
Air filtration membrane component, the top of the air filtration membrane component is open, its be arranged in the housing and with the shell There is the annular space for air flow between body；
Ultraviolet lamp, the ultraviolet lamp are axially arranged in the air filtration membrane component；
Photocatalysis element, the photocatalysis element housing on the ultraviolet lamp, and positioned at the air filtration membrane component with it is ultraviolet Between lamp outer wall；
Axial fan, the axial fan are installed on the open end of the air filtration membrane component.
2. a kind of indoor air cleaning system with inner-outer circulation function as claimed in claim 1, it is characterised in that described Housing is cylinder-like structure, and a diameter of 60cm of the housing, is highly 100cm.
3. a kind of indoor air cleaning system with inner-outer circulation function as claimed in claim 1, it is characterised in that described Interior circulation air inlet and the diameter of external circulation air inlet are 10cm, a diameter of 30cm of the air outlet.
4. a kind of indoor air cleaning system with inner-outer circulation function as claimed in claim 1, it is characterised in that described Photocatalysis element includes photocatalysis carrier and photochemical catalyst, and the photocatalysis carrier is screw blade structure, and photochemical catalyst is born It is loaded on photocatalysis carrier.
5. a kind of indoor air cleaning system with inner-outer circulation function as claimed in claim 4, it is characterised in that described Photochemical catalyst uses P25Titanium dioxide.
6. a kind of indoor air cleaning system with inner-outer circulation function as claimed in claim 2, it is characterised in that described Air filtration membrane component is cylinder-like structure, and it is coaxially disposed with the housing.
7. a kind of indoor air cleaning system with inner-outer circulation function as claimed in claim 6, it is characterised in that described Air filtration membrane component outer diameter is 50cm, inner diameter 40cm, be highly 80cm, filter membrane thickness be 5cm, filter material expansion Area 4m2；The filter material uses filtering rank as H12 glass fiber filters.
8. a kind of indoor air cleaning system with inner-outer circulation function as claimed in claim 1, it is characterised in that described The power of axial fan is 54w, maximum quantity of wind 530m3/ h, maximum static pressure 300Pa, noise 45dB.
9. a kind of indoor air cleaning system with inner-outer circulation function as claimed in claim 1, it is characterised in that described Ultraviolet lamp uses the UVC-254nm ultraviolet sources that length is 15W for 70cm, power.
CN201710137270.0A 2017-03-09 2017-03-09 A kind of indoor air cleaning system with inner-outer circulation function Pending CN107965849A (en)

Priority Applications (1)

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CN201710137270.0A CN107965849A (en) 2017-03-09 2017-03-09 A kind of indoor air cleaning system with inner-outer circulation function

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Application Number Priority Date Filing Date Title
CN201710137270.0A CN107965849A (en) 2017-03-09 2017-03-09 A kind of indoor air cleaning system with inner-outer circulation function

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111256316A (en) * 2020-02-13 2020-06-09 海信（山东）空调有限公司 Air conditioner and control method thereof
CN112815456A (en) * 2021-01-15 2021-05-18 重庆泓翔环保科技有限公司 Intelligent indoor air purification system and air purification method thereof
CN114935196A (en) * 2022-06-07 2022-08-23 南华大学 Liquid paraffin oil-based air radon removing device and radon removing method

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201006043Y (en) * 2007-03-22 2008-01-16 南京工业大学 Interior harmful gas expelling apparatus
CN204460505U (en) * 2015-03-04 2015-07-08 北京卡林新能源技术有限公司 A kind of device of high-efficient purification room air
EP2918939A1 (en) * 2014-03-14 2015-09-16 BERNER INTERNATIONAL GmbH Filter cartridge for a safety workbench and safety workbench with at least one filter cartridge
CN105509176A (en) * 2016-01-15 2016-04-20 王水英 Internal and external circulation positive pressure air purifier
KR20160045562A (en) * 2014-10-16 2016-04-27 코웨이 주식회사 Air conditioning apparatus
CN105841334A (en) * 2016-05-30 2016-08-10 上海洗尘环保科技有限公司 Inner and outer circulation controllable air purifier

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201006043Y (en) * 2007-03-22 2008-01-16 南京工业大学 Interior harmful gas expelling apparatus
EP2918939A1 (en) * 2014-03-14 2015-09-16 BERNER INTERNATIONAL GmbH Filter cartridge for a safety workbench and safety workbench with at least one filter cartridge
KR20160045562A (en) * 2014-10-16 2016-04-27 코웨이 주식회사 Air conditioning apparatus
CN204460505U (en) * 2015-03-04 2015-07-08 北京卡林新能源技术有限公司 A kind of device of high-efficient purification room air
CN105509176A (en) * 2016-01-15 2016-04-20 王水英 Internal and external circulation positive pressure air purifier
CN105841334A (en) * 2016-05-30 2016-08-10 上海洗尘环保科技有限公司 Inner and outer circulation controllable air purifier

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111256316A (en) * 2020-02-13 2020-06-09 海信（山东）空调有限公司 Air conditioner and control method thereof
CN112815456A (en) * 2021-01-15 2021-05-18 重庆泓翔环保科技有限公司 Intelligent indoor air purification system and air purification method thereof
CN114935196A (en) * 2022-06-07 2022-08-23 南华大学 Liquid paraffin oil-based air radon removing device and radon removing method
CN114935196B (en) * 2022-06-07 2023-07-11 南华大学 Air radon removing device and method based on liquid paraffin oil

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Application publication date: 20180427

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