CN203220831U - Liquid medium air purifying device for purifying PM (particulate matter) 2.5 - Google Patents
Liquid medium air purifying device for purifying PM (particulate matter) 2.5 Download PDFInfo
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- CN203220831U CN203220831U CN 201320259772 CN201320259772U CN203220831U CN 203220831 U CN203220831 U CN 203220831U CN 201320259772 CN201320259772 CN 201320259772 CN 201320259772 U CN201320259772 U CN 201320259772U CN 203220831 U CN203220831 U CN 203220831U
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Abstract
The utility model provides a liquid medium air purifying device for purifying PM 2.5. The purifying device comprises an air compressor, a primary purifying cavity with a water medium, and a secondary purifying cavity with an alkaline solution medium, wherein wire meshes for cutting bubbles are respectively and laterally arranged in the primary purifying cavity and the secondary purifying cavity; an aerosol chamber is formed above the medium level of each purifying cavity; an air outlet of the air compressor is communicated with an air inlet of an air inlet duct leading into the bottom of the primary purifying cavity; the primary purifying cavity is communicated with the secondary purifying cavity through a gas delivery pipe; the air inlet end of the gas delivery pipe is communicated with an air outlet in the upper part of the aerosol chamber of the primary purifying cavity, and the air outlet end of the gas delivery pipe extends into the lower part of the medium solution in the secondary purifying cavity; an exhaust pipe is arranged at the upper part of the aerosol chamber of the secondary purifying cavity; a negative-ion generator is also installed at the upper part of the aerosol chamber of the secondary purifying cavity. The liquid medium air purifying device takes liquid as the filtering medium, adopts three-level purifying, has good PM 2.5 fine particulate matter purifying effect, is simple to maintain, has a long use period, and is low in cost.
Description
Technical field
The utility model relates to a kind of air cleaning unit, and especially a kind of what can eliminate PM2.5 level dust granules in the air and harmful germ or virus is the filter medium air cleaning unit with liquid.
Background technology
PM2.5 refers to the fine particle of diameter≤2.5 μ m of existing in the atmosphere, is also referred to as " can go into the lung particle ".Because the PM2.5 particle grain size is little, be very easy to carry poisonous, harmful substances such as a large amount of bacteriums, virus, and the aerial time of staying is long, fed distance is far away, just can directly enter bronchus after being inhaled into human body, disturb the gas exchange of lung, cause the disease that comprises aspects such as asthma, bronchitis and cardiovascular disease, also can enter blood by bronchus and alveolar, pernicious gases such as bacterium wherein, virus, heavy metal etc. are dissolved in the blood, and be very big to human health damage.In addition, the particulate sinking speed in the PM2.5 particle below 1 micron is slow, is suspended in of long duration in the atmosphere, under the atmosphere dynamic action, can be blown into far place, causes the pollution of large area region, has a strong impact on atmosphere quality.Wherein particle diameter is at the particle of 0.1-1.8 μ m, and is close with wavelength of visible light, and visible light is had very strong scattering process, can reduce atmospheric visibility, has a strong impact on air quality.
Traditional air purifier is to utilize solid (attitude) grid film (namely using different grid film/cloth), takes methods such as " stopping ", " isolation ", " absorption ", filters out airborne fine particle, reaches the purpose of " purification " air.In fact, this grid film/cloth is only effective to the particle of diameter＞3.0 μ m, can be with its " filtration resistance " outside, and invalid to diameter≤3.0 μ m particles, and present technology all can't realize the PM2.5 particle of diameter≤2.5 μ m is filtered mostly.
Wherein state-of-the-art efficient purifier film is HEPA/ULPA combination solid film (borosilicate fibrous paper shape film) in the world, but also can only filtration resistance the PM2.5 fine grained of part, to the particle filtration resistance weak effect below the PM2.0, especially its function damped cycle is very fast, generally can only disposablely use, thereby make this filter be difficult to extensive use, general favour masses.
Summary of the invention
It is the air cleaning unit that filter medium purifies PM2.5 with liquid that the purpose of this utility model provides a kind of utilization, this device can effectively be eliminated PM2.5 level dust granules and harmful bacteria or virus in the air, reach the PM2.5 in purifying air, and the effect of pernicious gas, and safeguard simple, life cycle is long, and is with low cost.
The technical solution of the utility model: described purifier comprises air compressor, the first class purification chamber of aqueous medium and the secondary purification chamber that the alkaline solution medium is housed are housed, in first class purification chamber and secondary purification chamber, laterally be provided with bubble respectively and isolate net, each medium liquid level top that purifies the chamber forms an aerosol chamber, the gas outlet of air compressor is communicated with the air inlet of the air induction conduit that feeds bottom, first class purification chamber, be communicated with by air shooter between first class purification chamber and the secondary purification chamber, the inlet end of air shooter is communicated with the gas outlet on top, aerosol chamber, first class purification chamber, the bottom of medium solution in the secondary purification chamber is stretched in the outlet side, is provided with blast pipe on the top, aerosol chamber in secondary purification chamber.
The further technical scheme of the utility model: be provided with silencer in the blast pipe in secondary purification chamber, the gas outlet is provided with anion generator, is provided with the sound insulation housing in the outside of whole purifier.
The further technical scheme of the utility model: in the aerosol chamber in first class purification chamber and secondary purification chamber, be provided with the demist filter, the demist filter is higher than the medium liquid level, the liquid level of aqueous medium is higher than bubble and isolates net in the described first class purification chamber, is lower than the gas outlet in first class purification chamber; The liquid level of alkaline solution medium is higher than bubble and isolates net in the secondary purification chamber, is lower than gas outlet, secondary purification chamber.
The technical scheme of the utility model optimum: described first class purification chamber is an independent purification chamber, or be the cavity assembly that a plurality of cavity series connection back forms, or be the cavity cavity assembly that forms in parallel, or be a plurality of cavity assembly series connection and the cavity assembly that is connected to form that mixes in parallel; Described secondary purification chamber is an independent purification chamber, or is the cavity assembly that a plurality of cavity series connection back forms, or is the cavity cavity assembly that forms in parallel, or is a plurality of cavity assembly series connection and the cavity assembly that is connected to form that mixes in parallel.
The technical scheme of the utility model optimum: described air compressor is arranged on the top in first class purification chamber, and air induction conduit inserts mouth by the sealing on the top cover of first class purification chamber, feeds the bottom in first class purification chamber; The blast pipe in described secondary purification chamber is located at the top cover face.
The technical scheme of the utility model optimum: be provided with the soda acid indicator in the outside in secondary purification chamber.
The technical scheme of the utility model optimum: the alkaline solution medium in described secondary purification chamber is the sodium hydroxide solution medium.
The technical scheme of the utility model optimum: described bubble isolates the fence type silk screen that net adopts, and described demist filter is organic mist elimination silk screen.
The technical scheme of the utility model optimum: be provided with air intlet, air outlet slit and control panel at the sound insulation shell, be provided with road wheel at the sound insulation outer casing bottom, wherein air outlet slit is communicated with the blast pipe gas outlet in secondary purification chamber.
The utility model utilizes " rainwater depositing dust " mechanism, is designed to gas motion in liquid, and the particle in the gas is implemented " shower " effect, makes fine grained be accumulated into bulky grain, and falls in the water, reaches and eliminates the PM2.5 particle.
Beneficial effect of the present utility model:
(1) the utility model is that PM2.5 purifies with the fluid purification medium, replaces traditional solid-state grid film and purifies PM2.5, has avoided the HEPA/ULPA film in use, because the hole pattern film is covered, and the function that causes decay is safeguarded simple, life cycle is long, and is with low cost;
(2) the utility model utilizes liquid medium that air is carried out secondary purification, and first order coarse filtration utilizes water as the carrier that purifies particle, is easy to get filter and maintenance, and economizes in raw materials; Cascade filtration adopts alkaline solution, and airborne acidic molecular is rolled into a ball particle, carries out neutralization reaction, makes and make them to be deposited in the liquid, has just removed Carbon Dioxide in Air (CO
2), sulfide, formaldehyde gases such as (HCHO), thus improved the concentration of oxygen in the air, can bring up to about 21.2% by 21%, reach the PM2.5 in purifying air, and the effect of pernicious gas;
(3) the utility model also is provided with anion generator in the gas outlet in cascade filtration chamber, can be with " purified gas " that come out from the gas outlet efficient negative ionization, namely under the electromotive force effect of same function, produce the anion of more high quality, make the air behind the secondary purification carry out air cleaning for the third time in outlet, make its clean-up effect better;
(4) the utility model also comprises a sound insulation shell, and is provided with muffler, can avoid occurring noise in the purification process, influences people's normal life;
(5) fluid purification Medium Replacement of the present utility model is easy, and secondary purification adopts NaOH solution, the residue (Na of medium
2CO
3, Na
2SO
4), all be the most frequently used detergent builders, can be used for family safely and clean;
(6) first class purification of the present utility model chamber can increase " depuration quality " by series connection by a plurality of cavitys, also can be by a plurality of cavitys increase " purification tolerance " in parallel, can also be according to actual needs, string and series-parallel connection are to reach the effect expanded function that required purification requires purpose.The extension of same function also can be done in secondary purification of the present utility model chamber.
The utility model adopts three grades of purifications, good purification, the air that not only can be used in the clean room (outdoor enter into indoor) can also be as air filter, the automobile exhaust purifier of diesel engine, or removes some specialty purifications such as new decorating house fast.
Description of drawings
Fig. 1 is the structural representation of purifier of the present utility model,
Fig. 2 is overall structure schematic diagram of the present utility model;
Among the figure: 1-air compressor, 2-first class purification chamber, 3-secondary purification chamber, the 4-bubble isolates net, 5-air shooter, 6-air induction conduit, the 7-silencer, 8-anion generator, 9-sound insulation housing, the 10-blast pipe, 11-road wheel, 12-air intlet, 13-demist filter, 14-control panel, 15-aerosol chamber, the 16-top cover, 17-soda acid indicator.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.Among Fig. 1, the secondary purification chamber 3 that described purifier comprises air compressor 1, the first class purification chamber 2 of aqueous medium is housed and the alkaline solution medium is housed, in first class purification chamber 2 and secondary purification chamber 3, laterally be provided with bubble respectively and isolate net 4, described bubble isolates the boom net that net 4 adopts, the diameter of its grid is 0.3-1mm, make the large sparkle in the liquid medium isolate into minute bubbles, make " shower " more thorough; Each medium liquid level top that purifies chamber 2 forms an aerosol chamber 15, makes the mist pearl that produces in " shower " process, and space, the time of sedimentation is arranged, and makes the cleaned air passes drying simultaneously.The liquid level of described first class purification chamber 2 interior aqueous mediums is higher than bubble and isolates net 4, is lower than the gas outlet in first class purification chamber, and the liquid level of secondary purification chamber 3 interior alkaline solution media is higher than bubble and isolates net 4, is lower than the gas outlet in secondary purification chamber.The gas outlet of air compressor 1 is communicated with the air inlet of the air induction conduit 6 that feeds 2 bottoms, first class purification chamber, be communicated with by air shooter 5 between first class purification chamber 2 and the secondary purification chamber 3, the inlet end of air shooter 5 is communicated with the gas outlet on 15 tops, aerosol chamber, first class purification chamber, the bottom of medium solution in the secondary purification chamber 3 is stretched in the outlet side, is provided with blast pipe 10 on 15 tops, aerosol chamber in secondary purification chamber 3.Described air compressor 1 is arranged on the top in first class purification chamber 2, and air induction conduit 6 inserts a mouthful bottom that feeds first class purification chamber 2 by the sealing on 2 top covers of first class purification chamber; The blast pipe 10 in described secondary purification chamber 3 is located at the top cover face.
Be provided with demist filter 13 in the aerosol chamber 15 in first class purification chamber 2 and secondary purification chamber 3, demist filter 13 is higher than the medium liquid level, and as antifog, anti-globule device, through organic mist elimination silk screen, cleaned air passes dehumidifies demist in the aerosol chamber.Described demist filter 13 is organic mist elimination silk screen.
Be provided with soda acid indicator 17 in the outside in secondary purification chamber 3, be used for detecting the Acidity of Aikalinity of alkaline solution medium in the secondary purification chamber 3, when alkaline solution by neutralisation, the alkaline solution that just more renews, the alkaline solution medium in described secondary purification chamber 3 is the sodium hydroxide solution medium.Mostly the particle of diameter in the air≤0.18 μ m is carbon dioxide (CO
2), the micel particle of sulfide, formaldehyde (HCHO) and so on, can with NaOH (NaOH) solution chemically reactive, generate harmless solid sodium carbonate (Na
2CO
3) and sodium sulphate (Na
2SO
4), be difficult for evaporateing in the air, and the residue (Na of medium
2CO
3, Na
2SO
4) all be the most frequently used detergent builders, can must be used for family safely and clean.
Described first class purification chamber 2 is an independent purification chamber, or is the cavity assembly that a plurality of cavity series connection back forms, or is the cavity cavity assembly that forms in parallel, or is a plurality of cavity assembly series connection and the cavity assembly that is connected to form that mixes in parallel.Described secondary purification chamber 3 is an independent purification chamber, or is the cavity assembly that a plurality of cavity series connection back forms, or is the cavity cavity assembly that forms in parallel, or is a plurality of cavity assembly series connection and the cavity assembly that is connected to form that mixes in parallel.
The series connection of a plurality of purification cavitys can increase " depuration quality ", and a plurality of cavity parallel connections can increase " purification tolerance ", can also be according to actual needs, and string and series-parallel connection are to reach the effect expanded function that required purification requires purpose.
Among Fig. 2, be provided with silencer 7 in the blast pipe 10 in secondary purification chamber 3, the gas outlet is provided with anion generator 8, is provided with sound insulation housing 9 in the outside of whole purifier.Be provided with air intlet 12 and control panel 14 at sound insulation shell 9, be provided with road wheel 11 in sound insulation shell 7 bottoms, wherein air outlet slit is communicated with blast pipe 10 outlets in secondary purification chamber 3." purified gas " that the anion generator 8 of blast pipe gas outlet can come out to the exhaust outlet from secondary purification chamber 3 carries out efficient negative ionization, namely under the electromotive force effect of same function, produces the anion of more high quality, forms air cleaning for the third time.Anion generator is very conventional mature technology, and after the purification through the front I and II, air is more suitable for negative ionization, and its concentration is with several times under the equipotential effect, and this is anion generator under situation about using separately, inaccessiable ratio.When the utility model specifically uses, cooperate silencer 7 and sound insulation shell 9 to abate the noise, and the control panel on the sound insulation shell 14 can regulate and control to it, the bottom is provided with the movement that road wheel 11 makes things convenient for this device.
The course of work of the present utility model: as Fig. 1, shown in Figure 2, the bottom of aqueous medium in the first class purification chamber 2 sent into air by air compressor 1 by air induction conduit 6, airborne PM2.5 airborne particulate carries out " shower " purified in aqueous medium, bubble in the water moves upward, when moving to bubble and isolating net 4, isolated net 4 by bubble and isolate into minute bubbles, air is thoroughly contacted with water, thorough must crossing with water smoke, the particle of water smoke is in aerosol chamber 15, further wrapped up by hydrone, fall in the water, make the particle that exists in the air, comprise the PM2.5 particle, finish " shower ", to reach the purpose of purification; Cleaned air passes is discharged from the gas outlet in first class purification chamber 2, and is transported in the purification chamber 3, the second level by air shooter 5, and mostly the particle of diameter in the air≤0.18 μ m is carbon dioxide (CO
2), the micel particle of sulfide, formaldehyde (HCHO) and so on, also be the particle very harmful to human body, these particles enter in the alkaline solution medium in secondary purification chamber 3, react with the alkaline solution medium, the environmental protection factor, general alkaline solution medium is selected NaOH (NaOH) solution for use, and these " particles " and NaOH solution chemically reactive generate harmless solid sodium carbonate (Na
2CO
3) and sodium sulphate (Na
2SO
4), and be difficult for evaporateing in the air, reach the purpose that purifies PM2.5.
Air behind the secondary purification carries out efficient negative ionization by anion generator 8, carries out tertiary air and purifies.
Above air purification method is compared with existing air purifier, and is more reliable to the purification function of PM2.5, and is easy to safeguard that the thing that depollutes is simpler and easy, does not have the pollution in atmosphere and soil.It is to utilize water as the carrier that purifies particle that one-level is filtered, and is easy to get filter and safeguards that its " coarse filtration " act as partial " fine filtering " and lay the foundation, and economizes in raw materials, and secondary alkaline solution medium is evolved can well remove carbon dioxide (CO
2), sulfide, formaldehyde gases such as (HCHO), thus improved the concentration of oxygen in the air, can bring up to about 21.2% by 21%.Secondary purification adopts sodium hydroxide solution as medium, reacted residue (Na
2CO
3, Na
2SO
4), all be the most frequently used detergent builders, can must be used for family safely and clean.
Two liquid mediums that purify in the chambeies of the present utility model can arbitrarily be changed, and change simple and conveniently, the top cover of cavity need be opened, and just can directly change.
Claims (9)
1. liquid filtration media air cleaning unit that purifies PM2.5, it is characterized in that: described purifier comprises air compressor (1), the secondary purification chamber (3) of the first class purification chamber (2) of aqueous medium being housed and the alkaline solution medium being housed, in first class purification chamber (2) and secondary purification chamber (3), laterally be provided with bubble respectively and isolate net (4), each medium liquid level top that purifies the chamber forms an aerosol chamber (15), the gas outlet of air compressor (1) is communicated with the air inlet of the air induction conduit (6) that feeds bottom, first class purification chamber (2), be communicated with by air shooter (5) between first class purification chamber (2) and secondary purification chamber (3), the inlet end of air shooter (5) is communicated with the gas outlet on top, aerosol chamber, first class purification chamber (15), the bottom of the interior medium solution in secondary purification chamber (3) is stretched in the outlet side, is provided with blast pipe (10) on the top, aerosol chamber (15) of secondary purification chamber (3).
2. the liquid medium air cleaning unit of purification according to claim 1 PM2.5, it is characterized in that: in the blast pipe (10) of secondary purification chamber (3), be provided with silencer (7), the gas outlet is provided with anion generator (8), is provided with sound insulation housing (9) in the outside of whole purifier.
3. the liquid medium air cleaning unit of purification according to claim 1 and 2 PM2.5, it is characterized in that: in the aerosol chamber (15) of first class purification chamber (2) and secondary purification chamber (3), be provided with demist filter (13), demist filter (13) is higher than the medium liquid level, the liquid level of the interior aqueous medium in described first class purification chamber (2) is higher than bubble and isolates net (4), be lower than the gas outlet in first class purification chamber, the liquid level of the interior alkaline solution medium in secondary purification chamber (3) is higher than bubble and isolates net (4), is lower than the gas outlet in secondary purification chamber.
4. the liquid medium air cleaning unit of purification according to claim 1 and 2 PM2.5, it is characterized in that: described first class purification chamber (2) is an independent purification chamber, or be the cavity assembly that a plurality of cavity series connection back forms, or be the cavity cavity assembly that forms in parallel, or be a plurality of cavity assembly series connection and the cavity assembly that is connected to form that mixes in parallel; Described secondary purification chamber (3) is an independent purification chamber, or is the cavity assembly that a plurality of cavity series connection back forms, or is the cavity cavity assembly that forms in parallel, or is a plurality of cavity assembly series connection and the cavity assembly that is connected to form that mixes in parallel.
5. the liquid medium air cleaning unit of purification according to claim 1 and 2 PM2.5, it is characterized in that: described air compressor (1) is arranged on the top of first class purification chamber (2), and air induction conduit (6) inserts a mouthful bottom that feeds first class purification chamber (2) by the sealing on the top cover of first class purification chamber (2); The blast pipe (10) in described secondary purification chamber (3) is located at the top cover face.
6. the liquid medium air cleaning unit of purification PM2.5 according to claim 1 and 2 is characterized in that: be provided with soda acid indicator (17) in the outside of secondary purification chamber (3).
7. the liquid medium air cleaning unit of purification according to claim 1 and 2 PM2.5, it is characterized in that: the alkaline solution medium in described secondary purification chamber (3) is the sodium hydroxide solution medium.
8. the liquid medium air cleaning unit of purification according to claim 2 PM2.5, it is characterized in that: be provided with air intlet (12), air outlet slit and function display floater (14) at sound insulation shell (9), be provided with road wheel (11) in sound insulation shell (9) bottom, wherein air outlet slit is communicated with blast pipe (10) outlet of secondary purification chamber (3).
9. the liquid medium air cleaning unit of purification according to claim 3 PM2.5, it is characterized in that: described bubble isolates the fence type silk screen that net (4) adopts, and described demist filter (13) is organic mist elimination silk screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320259772 CN203220831U (en) | 2013-05-14 | 2013-05-14 | Liquid medium air purifying device for purifying PM (particulate matter) 2.5 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320259772 CN203220831U (en) | 2013-05-14 | 2013-05-14 | Liquid medium air purifying device for purifying PM (particulate matter) 2.5 |
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| CN203220831U true CN203220831U (en) | 2013-10-02 |
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|---|---|---|---|
| CN 201320259772 Expired - Fee Related CN203220831U (en) | 2013-05-14 | 2013-05-14 | Liquid medium air purifying device for purifying PM (particulate matter) 2.5 |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103642673A (en) * | 2013-12-06 | 2014-03-19 | 黑龙江大学 | High-efficiency liquid fermentation tank |
| CN103908865A (en) * | 2014-04-16 | 2014-07-09 | 哈尔滨新海德智能环境工程有限公司 | Waste gas trapping fire-retarding cooling device |
| CN104056513A (en) * | 2014-05-19 | 2014-09-24 | 东南大学 | Air fine particle purifying device based on carbon black nanometer fluid and preparation method thereof |
| CN104801125A (en) * | 2014-01-24 | 2015-07-29 | 苏州大学 | Air cleaning device and method thereof |
| CN105352061A (en) * | 2015-12-15 | 2016-02-24 | 徐信东 | Negative oxygen ion air purifier |
| CN105413342A (en) * | 2015-12-15 | 2016-03-23 | 苏州铭冠软件科技有限公司 | Smog dust removal system |
| CN105879521A (en) * | 2014-09-17 | 2016-08-24 | 蔡苏卫 | Method for capturing PM2.5 fine particles |
| CN106474846A (en) * | 2015-08-24 | 2017-03-08 | 沙小如 | The cistern device of purify air |
| CN107088341A (en) * | 2017-05-19 | 2017-08-25 | 贾亮成 | Air cleaning unit |
| CN107456817A (en) * | 2017-07-30 | 2017-12-12 | 合肥徽工工业自动化工程有限公司 | A kind of air purification method applied in family room |
| CN109794006A (en) * | 2019-01-23 | 2019-05-24 | 河海大学常州校区 | A fresh air system in a dusty environment |
| CN112370885A (en) * | 2020-10-29 | 2021-02-19 | 湖南新宝峰家具制品有限公司 | Steam-water separator for steam boiler water film dust removal and separation method |
-
2013
- 2013-05-14 CN CN 201320259772 patent/CN203220831U/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103642673B (en) * | 2013-12-06 | 2015-07-15 | 黑龙江大学 | High-efficiency liquid fermentation tank |
| CN103642673A (en) * | 2013-12-06 | 2014-03-19 | 黑龙江大学 | High-efficiency liquid fermentation tank |
| CN104801125A (en) * | 2014-01-24 | 2015-07-29 | 苏州大学 | Air cleaning device and method thereof |
| CN103908865A (en) * | 2014-04-16 | 2014-07-09 | 哈尔滨新海德智能环境工程有限公司 | Waste gas trapping fire-retarding cooling device |
| CN103908865B (en) * | 2014-04-16 | 2017-01-04 | 哈尔滨新海德智能环境工程有限公司 | Waste gas trapping back-fire relief heat sink |
| CN104056513A (en) * | 2014-05-19 | 2014-09-24 | 东南大学 | Air fine particle purifying device based on carbon black nanometer fluid and preparation method thereof |
| CN105879521A (en) * | 2014-09-17 | 2016-08-24 | 蔡苏卫 | Method for capturing PM2.5 fine particles |
| CN106474846A (en) * | 2015-08-24 | 2017-03-08 | 沙小如 | The cistern device of purify air |
| CN105413342A (en) * | 2015-12-15 | 2016-03-23 | 苏州铭冠软件科技有限公司 | Smog dust removal system |
| CN105352061A (en) * | 2015-12-15 | 2016-02-24 | 徐信东 | Negative oxygen ion air purifier |
| CN105352061B (en) * | 2015-12-15 | 2018-01-26 | 徐信东 | A kind of negative oxygen ion air purifier |
| CN107088341A (en) * | 2017-05-19 | 2017-08-25 | 贾亮成 | Air cleaning unit |
| CN107456817A (en) * | 2017-07-30 | 2017-12-12 | 合肥徽工工业自动化工程有限公司 | A kind of air purification method applied in family room |
| CN109794006A (en) * | 2019-01-23 | 2019-05-24 | 河海大学常州校区 | A fresh air system in a dusty environment |
| CN112370885A (en) * | 2020-10-29 | 2021-02-19 | 湖南新宝峰家具制品有限公司 | Steam-water separator for steam boiler water film dust removal and separation method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131002 |