CN103285695A - Air purifier - Google Patents

Air purifier Download PDF

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Publication number
CN103285695A
CN103285695A CN2013101425589A CN201310142558A CN103285695A CN 103285695 A CN103285695 A CN 103285695A CN 2013101425589 A CN2013101425589 A CN 2013101425589A CN 201310142558 A CN201310142558 A CN 201310142558A CN 103285695 A CN103285695 A CN 103285695A
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CN
China
Prior art keywords
air
air purifier
hydrophily
filtering
tank
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CN2013101425589A
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Chinese (zh)
Inventor
鞠文军
只金芳
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无锡普睿生物环保科技有限公司
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Priority to CN2013101425589A priority Critical patent/CN103285695A/en
Publication of CN103285695A publication Critical patent/CN103285695A/en

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Abstract

The invention provides an air purifier which comprises a housing (1), and a pedestal (2), wherein the housing (1) is disposed on the pedestal (2); the lower portion of the housing (1) is provided with an air inlet (3), and the top of the housing (1) is provided with an air outlet (14); and an air filtration system and a blower fan (12) are disposed in the housing (1), and purified air is discharged out of the air purifier through a suction inlet (13) of the blower fan. The air purifier is characterized in that, the filtration system consists of an air humidification apparatus and hydrophilic]/super-hydrophilic filtering materials (7). The air purifier of the invention increases air humidity before the hydrophilic]/super-hydrophilic filtering materials, enables water molecules to spread on the hydrophilic]/super-hydrophilic filtering materials and form a layer of water film, and particulate matters in air can be captured effectively, especially the particulate matters (PM) with diameters less than 2.5 micrometers; and furthermore, the air which has captured particulate matters enters into a photocatalyst decontamination chamber, and harmful gases in air can be degraded and removed effectively in the action of photocatalyst materials.

Description

Air purifier

Technical field

The present invention relates to a kind of air purifier, particularly relate to a kind of cleaning system of air purifier.

Background technology

Atmosphere pollution in recent years is serious day by day, and particularly haze weather is shrouding the sky in city for a long time on a large scale, seriously influences for daily life and healthy bringing.For the working environment of building cleaning and the air that does not have pollution, people have developed various air cleaning units.For example, Chinese invention patent application CN166958A discloses a kind of high efficiency indoor air cleaner, comprise that ring closed walk, the fan, with import and export produces ultrasonic wave vibration exciter and little, nanoscale mist molecule and hold body, the inwall of ring closed walk covers the photocatalyst film, be the platinum layer that covers on the coating of titanium dioxide, place incandescent light modulation in it; The outlet air passage of ring closed walk is connected mutually with little, the nanoscale mist molecular spray passage of tank nozzle.The purification efficiency that adopts this technical scheme can reach primary air circulation light catalyst is 10%, the mist molecule is 10% to air-polluting direct purification efficient, but this technical scheme is very low to the capture rate that is suspended in airborne micronic dust or particles of inorganic material, and the following floating dust particulate of a large amount of PM2.5 is still floated in the air.

China utility model patent CN2608882Y discloses a kind of water curtain type air purifier, comprise base, housing, be provided with air intlet and first, second filtering material in the side of housing, the top of housing is provided with air outlet slit, be provided with water tank in the base inversion, the water of water tank enters tank by water channel, vertical wind wheel and the water wheels of installing of driven by motor in the housing, water wheels take up the water in the tank when rotating, and are splashed on first, second filtering material to increase the clean-up effect of filtering material.But because the structural reason of this clarifier, the droplet that water wheels stir inevitably by on put blower fan and directly siphon away, and big drop splashes on the filtering material of bottom, cause this bottom filtering material saturated by a large amount of drop institutes, thereby the phenomenon that causes air to pass through, and the top filtering material seldom has drop to be splashed to, cause the situation of gas passage short circuit, namely, a large amount of air pass through from first filtering material on top, and second filtering material of bottom seldom has air to pass through, even the top filtering material also has drop to arrive, can to form big drop equally dirty because of the reason of gravity effect, and the bottom filtering material is by saturated, the unbalanced phenomena that gas can't pass through does not reach the clean-up effect of expection, particularly to the floating dust particulate below the PM2.5.

Patent documentation 1: Chinese invention patent application publication number: CN166958A

Patent documentation 2: Chinese utility model patent notification number: CN2608882Y

Summary of the invention

The present invention is in view of above problem, the inventor finds in air cleaning system through long-term further investigation, with possess hydrophilic property/or Superhydrophilic filtering material following micro dust particle of micro dust particle, particularly PM2.5 in the traps air effectively under the condition of certain humidity.Thereby the photoactivation material pernicious gas of degrading under the effect of ultraviolet light has been finished the present invention then.

The object of the present invention is to provide the air purifier of the micro dust particle (comprising organically inorganic microactuator suspension particle) in a kind of traps air effectively, eliminate the following micro dust particle of PM2.5 to the harm of health of people.

(1) a kind of air purifier, comprise base, housing, housing places on the base, be provided with air intlet in lower part of frame, the top is provided with air outlet slit, be provided with air filtering system, blower fan in the housing, the air that is cleaned is through the suction inlet of blower fan and discharge air purifier, and described filtration system comprises air humidification device and hydrophily/or Superhydrophilic filtering material.

(2) as (1) described air purifier, it is characterized in that: described air humidification device is the air water cleaning device, be arranged on hydrophily/or the Superhydrophilic filtering material before.

(3) as (2) described air purifier, it is characterized in that: described air water cleaning device comprises: tank, air enter pipe, described air enters pipe and puts under the liquid level in the tank, the liquid level of described tank apart from described hydrophily/or the distance of Superhydrophilic filtering material basal surface enter pipe greater than described air and put in the distance under the liquid level in the tank.

(4) as (3) described air purifier, it is characterized in that: the position of next-door neighbour's liquid level has one deck to abolish the how empty material layer of gas permeability that bubble is used above described tank liquid level.

(5) as (1) described air purifier, it is characterized in that: described air humidification device be a ultrasonic air humidifying device/or the dress water of a natural evaporation principle of utilizing water, top arranges tank a plurality of perforates or that open wide fully, be arranged on hydrophily/or the Superhydrophilic filtering material before.

(6) as any described air purifier in (1)-(5), it is characterized in that: described hydrophily/or the Superhydrophilic filtering material be by hydrophily/or the Superhydrophilic fiber make, the aperture is below 1 μ m.

(7) as any described air purifier in (1)-(5), it is characterized in that: described hydrophily/or the Superhydrophilic filtering material be to be made by common fiber, its surface passed through hydrophily/or Superhydrophilic handle, the aperture is below 1 μ m.

(8) as any described air purifier in (1)-(5), it is characterized in that: described hydrophily/or the Superhydrophilic filtering material after, be provided with the photocatalyst clean room, its indoor wall is provided with photocatalyst material layer and ultraviolet source.

(9) as (8) described air purifier, it is characterized in that: described photocatalyst material layer is the TiO with photocatalytic activity 2Colloidal sol.

(10) as (3) described air purifier, it is characterized in that: in described tank, be added with CaCl 2, its concentration is in the 5wt%-25wt% scope.

Air purifier of the present invention by hydrophily/or the Superhydrophilic filtering material before increase air humidity, make hydrone hydrophily/or the Superhydrophilic filtering material on drawout come, form water membrane, the following micro dust particle of micro dust particle in the traps air, particularly PM2.5 effectively.In addition, the air of the micro dust particle that has been captured enters the photocatalyst clean room, under the effect of photocatalyst material, can degrade effectively and removes airborne pernicious gas.

Description of drawings

Fig. 1 is the formation vertical section schematic diagram of the related air purifier of first embodiment of the invention.

Fig. 2 is the formation vertical section schematic diagram of the related air purifier of second embodiment of the invention.

Symbol description

1-air purifier housing, 2-base, 3-air intake, the 4-air enters pipe, 5-tank, the how empty material of 6-gas permeability, the 7-hydrophily/or the Superhydrophilic filtering material, 8-photocatalyst clean room, 9-gas-flow deflector, the 10-ultraviolet source, 11-photocatalyst material layer, 12-blower fan, 13-fans entrance, the 14-outlet that purifies air, the filler pipe of 15-tank, the drainpipe of 16-tank, 17-second level air filting material

The specific embodiment

Below, according to embodiment the present invention is specifically described.

Air purifier of the present invention is vertical column type, is that ellipse, four angles are the rectangle of fillet but also can be designed to cross section.

Fig. 1 is the formation vertical section schematic diagram of the related air purifier of first embodiment of the invention.

Entered the contaminated air of air purifier by air intake 3, at first entering pipe 4 through air enters under the liquid level of tank 5, eliminated the electric charge that micro dust particle has when having removed a part of micro dust particle micro dust particle that particularly particle is bigger and carried hydrone through the contaminated air after the washing, the how empty material 6 of gas permeability that the liquid level of process next-door neighbour's tank arranges, abolish bubble and eliminate bubble the noise when leaving the water surface, pass through hydrophily/or Superhydrophilic filtering material 7 afterwards, the air that is come out by tank is owing to carried portion of water, this hydrone this hydrophily/or the fiber surface of Superhydrophilic filtering material 7 sprawl to come and form layer of even hydrone film, to capture by the micro dust particle of this filtering material, this hydrophily/or the aperture of Superhydrophilic filtering material 7 be 50-800nm.Through hydrophily/or the air of Superhydrophilic filtering material 7, if wherein contain pernicious gas, for example formaldehyde gas in entering photocatalyst clean room 8, contacts with photocatalyst material layer 11, is degraded or is decomposed under the effect of ultraviolet light.The cleaned air that has removed micro dust particle and pernicious gas is discharged by blower fan 12.

Fountain solution identity distance hydrophily/or the vertical range of Superhydrophilic filtering material 7 enter the distances that pipe 4 inserts under the liquid levels greater than air, with prevent water because of the effect of negative pressure be inhaled into hydrophily/or Superhydrophilic filtering material 7 in, to such an extent as to air purifier can't operate as normal.

The how empty material 6 of gas permeability that the liquid level of next-door neighbour's tank arranges is not particularly limited, and for example can be the many empty potteries of gas permeability, gas permeability cellular plastics plate, the how empty hard foam of gas permeability etc.The how empty material 6 of this gas permeability is fixedly installed on the carriage of close tank liquid level of housing 1.

Tank 5 is provided with the filler pipe 15 of tank and the drainpipe 16 of tank, and is respectively equipped with valve.After using after a while, it is muddy that the clean water in the tank 5 can contaminatedly become, and after can being discharged by the drainpipe 16 of tank, replenishes new clean water by the filler pipe 15 of tank, is provided with the liquid level gauge (not shown) at the sidewall of tank 5.In order to capture the sour gas in the contaminated air, for example, H 2S, SO 3Deng, can in tank 5, add a certain amount of CaCl 2Make sour gas and Ca + 2Ionic reaction generates the precipitability calcium salt, thereby removes sour gas, the CaCl of adding 2Amount is different because of the capacity of water in the tank, makes CaCl 2Concentration is between the 5wt%-25wt% scope.

From air intake 3 to fans entrance 13, the mobile of air is to finish under the attraction of blower fan 12, and therefore, 13 is negative pressure space from air intake 3 to fans entrance.In order to prevent that foreign matter from entering in the housing of air purifier, be respectively equipped with grid in entrance and the outlet of air.

Fig. 2 is the formation vertical section schematic diagram of the related air purifier of second embodiment of the invention.

Entered the contaminated air of air purifier by air intake 3, at first entering pipe 4 through air enters on the liquid level of tank 5, the hydrone of tank 5 accelerates evaporation under the influence of surperficial moving air, and pass through hydrophily/or Superhydrophilic filtering material 7 together in company with air, because air has carried portion of water, this hydrone this hydrophily/or the fiber surface of Superhydrophilic filtering material 7 sprawl to come and form layer of even hydrone film, to capture by the micro dust particle of this filtering material, this hydrophily/or the aperture of Superhydrophilic filtering material be 50-800nm.Through hydrophily/or the air of Superhydrophilic filtering material 7, if wherein contain pernicious gas, for example formaldehyde gas in entering photocatalyst clean room 8, contacts with photocatalyst material layer 11, is degraded or is decomposed under the effect of ultraviolet light.The cleaned air that has removed micro dust particle and pernicious gas is discharged by blower fan 12.Tank 5 is provided with the filler pipe 15 of tank and the drainpipe 16 of tank, and is respectively equipped with valve.

Similar with second embodiment, the tank with ultrasonic wave evaporimeter or other the device replacement natural evaporation that can evaporate the water or accelerate the water evaporation all can play the effect of humidifying air equally.

Hydrophily of the present invention/or Superhydrophilic filtering material 7 can be the filterability material that the various fibrous materials handled by natural cotton fiber, natural flaxen fiber, natural silk fiber, hydrophilic polyfluortetraethylemicroporous film, Superhydrophilic acid fiber by polylactic, through surface hydrophilicity or Superhydrophilic are made, wherein preferably have the filtering material that the Superhydrophilic fiber is made, its aperture is 50-800nm.This filterability material is fixed in the porch of the photocatalyst clean room 8 of the gas passage above the how empty material 6 of gas permeability with felted.

Air by hydrophily/or Superhydrophilic filtering material 7 perpendicular to the cross section of airflow direction can be circular, square, rectangle etc., its size is decided according to overall dimensions and the air velocity of this air purifier, not specific (special) requirements, for example, can be arranged to the circle that diameter is 5cm-50cm, or the length of side is the square of 5cm-50cm, or length of side rectangle in the 5cm-50cm scope etc. respectively.

In order to improve hydrophily/or the amount of collected of the micro dust particle of Superhydrophilic filtering material 7, the thickness of this filtering material is between the 5mm-50mm, is preferably 10mm-30mm.If be lower than 5mm, the very fast meeting of micro dust particle that then traps on the filtering material is saturated, is unfavorable for that the continuation of micro dust particle captures.If be higher than 50mm, then gas is excessive by the pressure differential Δ P of this filtering material, cause the negative pressure of blower fan suction inlet front portion of this air purifier excessive, therefore cause the phenomenon that is inhaled at the junction extraneous air of this air purifier in blower fan suction inlet front portion easily, cause the purification efficiency of air purifier to descend.

In order to increase the time of contact of gas and photocatalyst, in photocatalyst clean room 8, be provided with gas-flow deflector 9, be provided with the ultraviolet source 10 of LED in the both sides of gas-flow deflector 9, scribble the photocatalyst material layer 11 of photocatalytic activity at four walls of photocatalyst clean room 8, in the present invention, the photocatalyst material layer is TiO 2Colloidal sol.

Be installed with second level air filting material 17 in the outlet of photocatalyst clean room 8, the front portion of blower fan suction inlet 13, second level air filting material 17 is made felted by fiber, and its surface scribbles catalysis material, TiO 2Colloidal sol, aperture are 50-500nm.The fiber of making second level air filting material 17 does not have special requirement, can be natural fiber, for example, and natural cotton fiber, natural flaxen fiber also can be synthetic fibers, for example, can be polyster fibre, acrylic fiber, nylon fibre etc., the thickness of making felted is 10mm-30mm.

Embodiment

In order to verify the clean-up effect of air purifier of the present invention, burn respectively cigarette and dried leaf of inventor produces flue dust, made the contaminated air of respective concentration and it is measured.The air pollution detector that uses in the experiment is the micronic dust detector of US-built Dylos Dc1100pro type.

Embodiment 1

The air purifier of first embodiment of the present invention is positioned over PM2.5 micronic dust content 200 μ g/m 3Belong between the serious pollution air compartment, room area about 10m 2The about 30m of air capacity in the room 3Filtering material 7 is for to be made by hydrophilic natural cotton, and it is shaped as felted, and the aperture is 500nm, thickness 20mm, and through 8 hours operation, the PM2.5 micronic dust content in the room was about 50 μ g/m 3, belong to clean air, almost there is not peculiar smell, through 16 hours operation, the PM2.5 micronic dust content in the room was about 30 μ g/m 3, do not have peculiar smell fully.

Embodiment 2

The air purifier of first embodiment of the present invention is positioned over PM2.5 micronic dust content 200 μ g/m 3Belong between the serious pollution air compartment, room area about 10m 2The about 30m of air capacity in the room 3Filtering material 7 is for to be made by the Superhydrophilic acid fiber by polylactic, and it is shaped as felted, and the aperture is 800nm, thickness 30mm.Through 8 hours operation, the PM2.5 micronic dust content in the room was about 40 μ g/m 3, belong to clean air, almost there is not peculiar smell, through 16 hours operation, the PM2.5 micronic dust content in the room was about 25 μ g/m 3, do not have peculiar smell fully.

Embodiment 3

The air purifier of second embodiment of the present invention is positioned over PM2.5 micronic dust content 200 μ g/m 3Belong between the serious pollution air compartment, room area about 10m 2The about 30m of air capacity in the room 3Filtering material 7 is for to be made by hydrophilic natural flaxen fiber, and it is shaped as felted, and the aperture is 10mm for 100nm thickness.Through 8 hours operation, the PM2.5 micronic dust content in the room was about 50 μ g/m 3, belong to clean air, almost there is not peculiar smell, through 16 hours operation, the PM2.5 micronic dust content in the room was about 30 μ g/m 3, do not have peculiar smell fully.

Embodiment 4

In order to check the decomposition effect of air purifier PARA FORMALDEHYDE PRILLS(91,95) gas of the present invention, under the similarity condition of embodiments of the invention 1, in the room, discharge a certain amount of formaldehyde gas in addition, its concentration is about 0.12mg/m 3Filtering material 7 is for to be made by the Superhydrophilic acid fiber by polylactic, and it is shaped as felted, and the aperture is 300nm, thickness 10mm.Through 8 hours operation, the PM2.5 micronic dust content in the room was about 50 μ g/m 3, belong to clean air, and the concentration of formaldehyde gas is reduced to 0.06mg/m 3, through 16 hours operation, the PM2.5 micronic dust content in the room was about 30 μ g/m 3, the concentration of formaldehyde gas is reduced to 0.03mg/m 3Below, there is not peculiar smell in the room fully.

Embodiment 5

Identical with the operation of embodiment 4, under the similarity condition of embodiments of the invention 3, in the room, discharge a certain amount of formaldehyde gas in addition, its concentration is about 0.12mg/m 3Filtering material 7 is for to be made by hydrophilic natural cotton, and it is shaped as felted, and the aperture is 400nm, thickness 30mm.Through 8 hours operation, the PM2.5 micronic dust content in the room was about 50 μ g/m 3, belong to clean air, and the concentration of formaldehyde gas is reduced to 0.06mg/m 3, through 16 hours operation, the PM2.5 micronic dust content in the room was about 30 μ g/m 3, the concentration of formaldehyde gas is reduced to 0.03mg/m 3Below, there is not peculiar smell in the room fully.

In the experiment, the methylene oxide detecting instrument that uses is the portable MIC-800-CH2O methylene oxide detecting instrument in the ease skies, Shenzhen.

Claims (10)

1. air purifier, comprise housing (1), base (2), housing (1) places on the base (2), be provided with air intlet (3) in the bottom of housing (1), the top is provided with air outlet slit (14), be provided with air filtering system, blower fan (12) in the housing (1), the air that is cleaned is through the suction inlet (13) of blower fan and discharge air purifier, and described filtration system comprises air humidification device and hydrophily/or Superhydrophilic filtering material (7).
2. air purifier according to claim 1, it is characterized in that: described air humidification device is the air water cleaning device, is arranged on that hydrophily/or Superhydrophilic filtering material (7) before.
3. air purifier according to claim 2, it is characterized in that: described air water cleaning device comprises: tank (5), air enter pipe (4), described air enters pipe (4) and puts under the liquid level in the tank (5), the liquid level of described tank (5) apart from described hydrophily/or the distance of Superhydrophilic filtering material (7) basal surface enter pipe (4) greater than described air and put in distance under the middle liquid level of tank (5).
4. air purifier according to claim 3 is characterized in that: the position at the top of described tank (5) liquid level next-door neighbour's liquid level has one deck to abolish the how empty material layer of gas permeability (6) that bubble is used.
5. air purifier according to claim 1, it is characterized in that: described air humidification device be a ultrasonic air humidifying device/or the dress water of a natural evaporation principle of utilizing water, top arranges tank a plurality of perforates or that open wide fully, is arranged on that hydrophily/or Superhydrophilic filtering material (7) before.
6. according to any described air purifier of claim 1-5, it is characterized in that: described hydrophily/or Superhydrophilic filtering material (7) be by hydrophily/or the Superhydrophilic fiber make, the aperture is below 1 μ m.
7. according to any described air purifier of claim 1-5, it is characterized in that: described hydrophily/or Superhydrophilic filtering material (7) be to be made by common fiber, its surface passed through hydrophily/or Superhydrophilic handle, the aperture is below 1 μ m.
8. according to any described air purifier of claim 1-5, it is characterized in that: in that described hydrophily/or Superhydrophilic filtering material (7) afterwards, be provided with photocatalyst clean room (8), its indoor wall is provided with photocatalyst material layer (10) and ultraviolet source (11).
9. air purifier according to claim 8 is characterized in that: described photocatalyst material layer (10) is for having the TiO of photocatalytic activity 2Colloidal sol.
10. air purifier according to claim 3 is characterized in that: be added with CaCl in described tank (5) 2, its concentration is in the 5wt%-25wt% scope.
CN2013101425589A 2013-04-23 2013-04-23 Air purifier CN103285695A (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104667885A (en) * 2013-12-03 2015-06-03 黄然 Air purification base body material prepared from polylactic acid
CN104764104A (en) * 2015-01-23 2015-07-08 倪家骧 Air purifier with sterilizing, dust-removing and humidifying functions
CN104801130A (en) * 2014-12-24 2015-07-29 辽宁蓝海川流流体控制设备有限公司 Air filtration and separation system and filtration method thereof
CN106237779A (en) * 2016-10-10 2016-12-21 董亚伦 Air purifier
CN108613281A (en) * 2017-01-19 2018-10-02 武汉禾小科技有限公司 A kind of multifunctional air purifier and its working method
CN109260923A (en) * 2018-12-10 2019-01-25 安徽万山红环保科技有限公司 The processing method of sour gas in a kind of exhaust gas

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200326132Y1 (en) * 2003-05-27 2003-09-17 (주) 한림기연 Indoor air purifier using photocatalyst and activated carbon filter
KR20050035921A (en) * 2003-10-13 2005-04-20 유영상 The method of cleanning and sterilizing the air, and the apparatus for it
CN101077420A (en) * 2007-06-11 2007-11-28 孙原波 Water washing air purifier
CN201768449U (en) * 2010-08-27 2011-03-23 赵永科 Washing air purification device
CN102865630A (en) * 2012-10-24 2013-01-09 裘姝洁 Air purifier
CN203303761U (en) * 2013-04-23 2013-11-27 无锡普睿生物环保科技有限公司 Air purifier

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200326132Y1 (en) * 2003-05-27 2003-09-17 (주) 한림기연 Indoor air purifier using photocatalyst and activated carbon filter
KR20050035921A (en) * 2003-10-13 2005-04-20 유영상 The method of cleanning and sterilizing the air, and the apparatus for it
CN101077420A (en) * 2007-06-11 2007-11-28 孙原波 Water washing air purifier
CN201768449U (en) * 2010-08-27 2011-03-23 赵永科 Washing air purification device
CN102865630A (en) * 2012-10-24 2013-01-09 裘姝洁 Air purifier
CN203303761U (en) * 2013-04-23 2013-11-27 无锡普睿生物环保科技有限公司 Air purifier

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104667885A (en) * 2013-12-03 2015-06-03 黄然 Air purification base body material prepared from polylactic acid
CN104801130A (en) * 2014-12-24 2015-07-29 辽宁蓝海川流流体控制设备有限公司 Air filtration and separation system and filtration method thereof
CN104764104A (en) * 2015-01-23 2015-07-08 倪家骧 Air purifier with sterilizing, dust-removing and humidifying functions
CN106237779A (en) * 2016-10-10 2016-12-21 董亚伦 Air purifier
CN108613281A (en) * 2017-01-19 2018-10-02 武汉禾小科技有限公司 A kind of multifunctional air purifier and its working method
CN109260923A (en) * 2018-12-10 2019-01-25 安徽万山红环保科技有限公司 The processing method of sour gas in a kind of exhaust gas

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Application publication date: 20130911