CN103277838A - Integrated energy-saving air cleaner - Google Patents
Integrated energy-saving air cleaner Download PDFInfo
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- CN103277838A CN103277838A CN2013101834383A CN201310183438A CN103277838A CN 103277838 A CN103277838 A CN 103277838A CN 2013101834383 A CN2013101834383 A CN 2013101834383A CN 201310183438 A CN201310183438 A CN 201310183438A CN 103277838 A CN103277838 A CN 103277838A
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Abstract
An integrated energy-saving air cleaner comprises a barrel body, an air inlet, an air outlet, at least two filters, namely, a fine filter, a primary filter and a draught fan. The draught fan and the two filters are installed at the communicated position inside the barrel body in a sealing mode, the air inlet and the air outlet are connected with the barrel body, and the primary filter is installed at the end close to the air inlet. An ultraviolet catalyzing air filter is placed inside an inner barrel component, and comprises a nanometer carrier honeycomb ceramic sheet and an ultraviolet lamp. The integrated energy-saving air cleaner is a scheme especially provided for reducing the PM2.5 index and improving the quality of the air in a family environment and a working environment. The integrated energy-saving air cleaner is widely applied in hospitals, and is low in operation cost and equipment plan cost and convenient to popularize.
Description
One, technical field
The present invention relates to a kind of air purifier, especially energy-conservation integrated air clarifier.
Two, background technology
Air purifier has been relatively ripe innovation and creation, the large-scale air clarifier that provides as CN201210108499, comprise that the air inlet duct, air filtration passage and the exhaust passage that are connected successively by front and back constitute, establish air filter in the air filtration passage, in air inlet duct and/or the air filtration passage blower fan is set, described air inlet duct arranges two and be branch-like and be communicated in air filtration passage front end at least.
Yet PM2.5 more needs the air-treatment problem that solves.To fine particle " PM2.5 refer to the littler particle of particle diameter; " in the particle in floating on atmosphere, use can be isolated the device that particle diameter is 2.5 microns particle with 50% ratio, removes the particle that collects after the larger particles ".Though also contain particle diameter greater than 2.5 microns particle, roughly refer to particle diameter at the particle below 2.5 microns, the composition of some 0.3-0.5 microns is arranged.
Prior art also comprises the CN200410019893 air cleaner, comprises casing, dust-collecting filter, pressure fan, and casing is formed with indoor suction inlet and indoor outlet; Dust-collecting filter is arranged in the casing, and utilizes electric field to make to be drawn into the dust granule in the room air in the casing charged, thereby utilizes the dust granule in the electrical affinity absorbed air; Blower setting forces room air to remove in casing inside and outside casing.
The CN200980114588 air purifier comprises: housing, this housing have air inlet and the exhaust apparatus that passes its extension; Replacement portion, this replacement portion is used for the reservoir of receiving fluids, and this replacement portion can get loose from described housing; Be positioned at the atomizer of described housing, this atomizer is configured to contact with the fluid supply phase fluid in use, to produce the drop mist.
The CN200910177814.1 air cleaner, comprise one with ground be housing longitudinally, its air intake vent is located at the bottom of housing, and air outlet is located at the top of housing, rely on the set fan in housing below that air is sucked by the below air intake vent, air upwards blows out via the air outlet of top via the vertical air flow channel that is vertical enclosure interior, and after air upwards blows out by air outlet, will continue to blow downwards.
The CN201110093345.2 air cleaner, comprise body, be provided with air inlet and gas outlet at body, be connected with air inlet in the air inlet rear end and hold the accent valve, hold accent valve lower end in air inlet and be connected with screw host, screw host is connected with oil strainer at the other end, and the other end of oil strainer is connected with oil cooler, and the other end of oil cooler is connected with oil cut-off valve.
CN200610035816. air cleaning facility, air duct is provided with air filter screen, fan, discharge tip, control of dust tube, and it also comprises a detecting head and the control circuit that is attached thereto; Aforesaid discharge tip is connected in one and can makes on the motor that this discharge tip and control of dust tube position move, and this motor links to each other with control circuit.The present invention is integrated release ozone, anion, electrostatic precipitation.
CN200880106051.5 filters the filter by the attractor inhaled air, it comprise can receiving fluids (12) first container (11); Can be arranged on second container (18) in described first container (11), second container (18) and described first container (11) are roughly coaxial and communicate; First transmission parts (14) that is connected with described first container (11).
CN200910168005.4 urban air clarifier utilizes air exhauster with ozone, with air by the air inlet port, in the suction urban air clarifier, through air-purifying net, capillary network, pore, water smoke, after the purified treatment of water, scavenging solution, make fresh air up to standard enter Horizon again in the water pipe.
The air treatment system of CN201110091045.0, the described passage of area of low pressure suction air process that the sensor air passage utilization is produced by hair-dryer.Among another embodiment, filter stand comprises that a plurality of and described filter stand forms whole bindiny mechanism.Among another embodiment, sieve is positioned near the hair-dryer entrance
CN201110301328. water washing air purifier is made up of compression air blast and water-washing cleaning cartridge, and molten body and inlet duct are installed on the metope of better purifying space, and the compression air blast is installed in the body of wall another side, and body of wall is beaten a hole, by soft air pipe circulation air-supply.Purify device of air and be installed in the interior water of molten body, the compression air blast sucks inlet duct to air, emerges from purifying device of air.
The wetting machine of air cleaning that CN201110412797.2 Shanghai Communications University proposes comprises casing, top cover, filler, dewatering outlet, air exhauster, air inlet and the regulating the qi flowing in the channels baffle plate in order to hold solution.Wherein, be arranged at the top of casing, filler and air inlet are arranged on the top of casing or the top of sidewall top seal, and the dewatering outlet is arranged at the bottom of the sidewall of casing, and air exhauster is arranged on the top of casing.
When the PM2.5 index becomes hundred and when thousands of, we need examine breathing environment closely, arrived when live and work the degree (especially heavy fog haze area) of using air purifier, in a period of time from now on, this trend that the PM2.5 index raises still may continue.The cleaner air package of existing above-mentioned summary comprises: the suspended particulate in filtration, the electrostatic field particle absorbed air, ionic discharge absorption, water smoke are removed suspended particulate etc., but prior art fails PM2.5 is done special processing, especially at family and working environment reduction PM2.5 index improve air quality, and adopt the obvious operating cost of air cleaning scheme and the equipment scheme cost of toilet or clean room to be difficult to bear and promote.The N95 mouth mask is fiber filter material, but it can not clean, and can only guarantee 8 hours a service time.
Reported in literature, measure the composition of Beijing PM2.5: the particle of carbon containing, sulfate radical, nitrate anion, ammonium root are added together and have accounted for weight 69%.Similarly, have 41.6% to be ammonium sulfate, ammonium nitrate among the Shanghai PM2.5 that 1999 measure, the 41.4%th, the material of carbon containing.PM2.5 mainly damages respiratory system and cardiovascular system, comprise respiratory tract irriate, cough, expiratory dyspnea, reduction PFT, increase the weight of asthma, cause chronic bronchitis, arrhythmia cordis, non-lethal heart disease, heart and lung diseases patient dead too early.Old man, child and heart and lung diseases patient are the responsive crowds that PM2.5 pollutes.
If the concentration of PM2.5 is higher than 10 microgram/cubic meters for a long time in the air, mortality risk just begins to rise.Every increase by the 10 microgram/cubic meters of concentration, total mortality risk just rises 4%, and the mortality risk that gets heart and lung diseases rises 6%, and the mortality risk that gets lung cancer rises 8%.Be published in one piece of paper of " JAMA " from 2002 about the data source of PM2.5 mortality risk.This piece paper has been analyzed study for a long period of time middle participant's the death rate and the relation between the air pollution, finds that the pollution of death rate rising and PM2.5 and sulfur dioxide is relevant, and pollutes reliably not related with coarseparticulate.
Serial particle protective masks such as the N95 of 3M all are the disposable designs of using in 8 hours in adverse circumstances according to every day, and its filter material is fibrous material.Certainly in the air certain density PM2.5 is arranged also, this concentration is called as background concn.Background concn is approximately about 3-5 microgram/cubic meter.
Three, summary of the invention
The present invention seeks to, a kind of integrated energy-saving air purifier is proposed, adopt the dry type filter element, take all factors into consideration the effect of air cleaning even sterilization, the obvious operating cost of air cleaning scheme and equipment scheme operation cost are low, also can have airborne other harmful chemical of removal simultaneously, air cleaning unit with the high running quality of low energy consumption low operating cost, and long service life can be unharmful to environment, is difficult for the secondary pollution that may bring human body in the use.
Technical scheme of the present invention is, the integrated energy-saving air purifier, comprise cylindrical shell 1, air intlet 2, comprising that fine filter 5 and coarse filter 6 two set filters, blower fan 8 and two set filters all seal to be installed in is communicated with the position in the cylindrical shell 1 at least, air intlet 2, air outlet slit 12 all connect cylindrical shell 1; Coarse filter 6 is installed in near-space gas import 2 ends.
Further, the air intlet end of cylindrical shell is installed coarse filter, fine filter and pull-out type blower fan successively, the import of pull-out type blower fan and cylindrical shell sealing, and blower fan is by connecting an inner cylinder member to air intlet.
The cross section of cylindrical shell 1 circle or rectangle all can, but fine filter 5, coarse filter 6 all adopt element dry type blowback or cleaning or that directly change.
Further, be provided with medium effeciency filter between fine filter and the coarse filter.
Further, between fine filter and the coarse filter and the medium effeciency filter housing be provided with sealing ring and cylindrical shell sealing (in the tube sealing or ring seal all can).
Further, be provided with the ultraviolet catalytic air cleaner in the inner cylinder member, the ultraviolet catalytic air cleaner comprises that nano-carrier ceramic honey comb sheet and uviol lamp constitute.
Blower fan is centrifugal, swinging or roots blower, and is that blast is greater than the blower fan of 0.4KPa.Coarse filter adopts papery, fiber or PVA, and fine filter adopts the PPS compound needle perverse and with the mistake filter element of PTFE overlay film or the element of nanofiber fine filter or its combination.Fine filter is the filter of the above particulate matter of filtering 0.2-0.3 micron.
Fine filter, coarse filter and medium effeciency filter are all installed on the installation stop that is stuck in microprotrusion, by the sealing station that stop is positioned in filter in tube is installed.
The filter plane can be an inclined-plane, and filtering material is with folded form, and the area of filtering material is 1.3-4 times of the oblique frame area of filter.
The ultraviolet catalytic air cleaner that is provided with in the inner cylinder member 9 of air outlet slit, be carrier (titanium dioxide and doping active ion thereof) with the ceramic honey comb carried nanometer titanium dioxide film, especially two ceramic honey combs press from both sides one deck ultraviolet lamp tubes, or two layers of ultraviolet lamp tube of three ceramic honey comb sheet folders, remove organic volatile in bacterium in the air, the catalytic air simultaneously, comprise nitrogen oxide, sulfide etc., be unlikely to again to make to have ozone in the air.
Be provided with the ultraviolet catalytic air cleaner in the inner cylinder member 9 of air outlet slit, be carrier (titanium dioxide and doping active ion thereof) with the ceramic honey comb carried nanometer titanium dioxide film, especially two ceramic honey combs press from both sides one deck ultraviolet lamp tubes, or two layers of ultraviolet lamp tube of three ceramic honey comb sheet folders, remove organic volatile in bacterium in the air, the catalytic air simultaneously, comprise nitrogen oxide, sulfide etc., be unlikely to again to make to have ozone in the air.
The invention has the beneficial effects as follows, this is the energy saving in running air purifier of a kind of integrated family of being convenient to install and office's (also comprising public places such as teahouse, hotel, restaurant), a kind of purified air stream of pressure-fired is provided, be used for replacing indoor muddy air, and the air through purification even catalytic treatment, its flow can be controlled in different scopes according to use occasion, and family uses even only needs per hour to get final product more than 10 cubic metres; The air of handling through the present invention can reach below 20 by the PM2.5 index, even low discharge (power of motor can about 250W even 100W) work still can make indoor PM2.5 index drop to below 100 from about the original hundreds of near environment after 4-5 hour, if power increases better effects if with bigger and flow earlier; The present invention's utmost point in design is convenient to install and blowback (can pass through the blower fan blowback, or pull down blower fan hair dryer blowback), and fine filter 5 and coarse filter 6 also all are convenient to take out and are repeated to install, be convenient to clean or change.The present invention starts and takes all factors into consideration the effect that air is removed a material and catalytic purification, air cleaning scheme operating cost is low, also can have airborne other harmful chemical of removal simultaneously, equipment cost is also very low, product low energy consumption green, long service life is because fine filter 5 and coarse filter 6 are convenient for changing or regenerate, can guarantee that the air running quality under the whole service condition is good, can not occur can the secondary pollution that may bring human body in the use not being arranged to environment because of filter life.General filter or precision shortcoming, can not guarantee the efficient of filtering 0.3 micron particles for a long time, filter element pollutes in being easy to use, not easy cleaning recoil, or poorly sealed close or installation inconvenience, overcoming air purifier may bring secondary pollution to human body.
Experiment shows, uses fine filter 5, coarse filter 6 secondary filters that the PM2.5 index is being fallen near the air-out more than 86%; Use tertiary filter that the PM2.5 index is fallen more than 91%, ideal conditions can make air-out PM2.5 index at 10-20.
The present invention especially reduces the scheme that the PM2.5 index improves the air quality proposition at family and working environment, and the present invention also is included in hospital's extensive use, has lower operating cost and equipment scheme cost and is convenient to promote.Also be used for air-conditioning even motor vehicle room and increase new wind slightly, the high-quality of air input between assurance is closed, can discharge pernicious gases such as formaldehyde, TOC, radon, also be good new wind (especially outdoor haze) conveying device to the air conditioning room in winter of north heating and south summer.
Four, description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is filter planar structure schematic diagram of the present invention.
Five, the specific embodiment
As shown in the figure, cylindrical shell 1, air intlet 2, connecting ring 3, installation stop 4, fine filter 5, coarse filter 6, connecting bolt 7, blower fan 8, inner cylinder member 9, filter element 10, sealing ring 11, air outlet slit 12.
The present invention mainly adopts the dry type filter element, and this dry type filter element is provided with by, paper, fiber and comprises the filter member that polyurethane material, PVA make and the filter that constitutes.
Be provided with the ultraviolet catalytic air cleaner in the inner cylinder member 9, be carrier (titanium dioxide and doping active ion supported catalyst thereof with the nanometer film with ceramic honey comb, can adopt the Gaochun ceramic product), especially two ceramic honey combs press from both sides one deck ultraviolet lamp tubes, or two layers of ultraviolet lamp tube of three ceramic honey comb sheet folders, remove organic volatile in bacterium in the air, the catalytic air simultaneously, comprise nitrogen oxide, sulfide etc., be unlikely to again to make to have ozone in the air.Every layer of ultraviolet lamp tube adopts and ceramic honey comb sheet diameter matched products, also can adopt long root ultraviolet lamp tube during major diameter ceramic honey comb sheet.The shorter better effects if of the wavelength of ultraviolet lamp tube.
The cross section of cylindrical shell 1 be the circle or rectangle all can, can be installed on wall or the door and window.The diameter of filter housing and tube internal diameter interference fit are in the hope of good seal.Fine filter 5, coarse filter 6 and medium effeciency filter all can be installed on the installation stop 4 that is stuck in slight projection.By the sealing station that stop is positioned in filter in tube is installed.Certainly, also can adopt other structure: fine filter 5, coarse filter 6 and medium effeciency filter, blower fan and ventilating duct are prepared into merogenesis, by connecting ring each parts are coupled together again, form a seal path.
But fine filter 5, coarse filter 6 all adopt element dry type blowback or cleaning or that directly change.
Blower fan adopts the pull-out type blower fan structure, as centrifugal, swinging or roots blower, also can adopt axial flow blower, and preferably blast in conjunction with the consideration of power, is preferred embodiment with the centrifugal blower greater than the blower fan of 0.4KPa, and power is that 90-500W is used for family expenses.Especially the note heart blower fan better effects if of 120-250W power is provided with the more convenient use of fan speed regulation or varying speed switch.When using, little air quantity discharges indoor kitchen guarding's foul smell, formaldehyde, the radon gas etc. of comprising slightly.Even the centrifugal blower of 90W still can make into air quantity greater than 15 cubic meters/hours; Certainly can control air quantity by speed governing, try to achieve balance at energy-conservation and air cloth newly, the ultraviolet catalytic air cleaner can be controlled its working time, as passing through regularly or hand-guided.
Coarse filter can adopt papery or fiber, and is as long as filter membrane has greater than the efficient of holding back more than 95% for the particle more than 0.3 micron, just qualified at last.The superfine little particle of loss part is to result's influence and little, because that part of particle is very little to the weight contribution of PM2.5.
Fine filter adopts the PPS compound needle perverse and with the filter of PTFE overlay film.Fine filter is the filter of the above particulate matter of filtering 0.2-0.3 micron.Fine filter also can adopt the nanofiber filter element.
But fine filter 5, coarse filter 6 all can adopt element dry type blowback or cleaning or that directly change.
Coarse filter is applicable to the primary filter of air-conditioning system, is mainly used in filtering the above dust particle of 5 μ m.This filter has board-like, collapsible, three kinds of patterns of pocket type, outer frame material has the outer rim of high polymer frame, paper frame, metal material frame, frame to be provided with sealing ring, filtering material has refill, nonwoven, nylon wire, activated carbon filter material etc., and protection network is provided with a plastic-blasting wire netting and double side zinc coating wire netting.
The frame of filter is to form with firm splash guard, is used for fixing the folding filter material of finishing.Cornerwise design can provide the big filter area on the housing, and inner filter material is sticked on the housing closely.Filter frame week is all bonding with the bonding glue of specialty and housing, can prevent that air from leaking or takes place because windage pressure causes damaged situation.
Constitute the filter of housing as paper frame, housing generally is divided into general cardboard frame and high strength to be touched and cuts hardboard, and filter core is pleating fiber filter material liner single face woven wire.Aesthetic in appearance.Firm in structure durable.General hardboard housing for the manufacture of filter, can be used for the production of any specification filter, high strength, difficult deformation.High strength touch and hardboard for the manufacture of the filter of standard specification, characteristics are specification precision height, cost attractive in appearance is low.
Medium effeciency filter (comprising other filter), filtering material (filter element or filter part) are to pack in the hardboard of high-strength membrane with folded form, and front face area increases.Dust particle in the leaked-in air is filtered material effectively to be stopped between pleat and the pleat.Pure air evenly flows out from another side, so air-flow is mild and uniform by filter.Look the filtering material difference, the particle diameter that it stops is from 0.5 μ m to 5 μ m and difference, and filter efficiency is also different.
Medium effeciency filter is the front end filtration of high efficiency particulate air filter as fine filter, to reduce the load of efficiently crossing, prolongs its service life; Because the windward side is big, therefore empty dust quantity is big, wind speed is low, and is respond well.Medium effeciency filter is generic F series filter in air cleaner.
In Fig. 2 filter planar structure of the present invention schematic diagram, the filter plane can be an inclined-plane (and be not orthogonal to tube cross section), filtering material (filter element or filter part) is to install with folded form, the area that makes filtering material again is 1.3-4 times of oblique frame area, and increasing filter area can obviously increase the service life.The urceolus air intlet is a bend pipe, is convenient to be installed in outdoor rainproof snow defence.Outer field coarse filter can be the formula filter, and mainly recoil or other renovation process are handled smart filter element part.
In a word, compact conformation of the present invention can integratedly be installed, and operating cost is low, allow the people is relieved to feel at ease in using.
Though the present invention discloses as above with preferred embodiment, so it is not in order to limit the present invention.The persond having ordinary knowledge in the technical field of the present invention, without departing from the spirit and scope of the present invention, when being used for a variety of modifications and variations.Therefore, protection scope of the present invention is as the criterion when looking claims person of defining.
Claims (10)
1. integrated energy-saving air purifier, it is characterized in that, comprise cylindrical shell, air intlet, air outlet slit, minimum fine filter and coarse filter two set filters, blower fan, blower fan and two set filters all seal the connection position that is installed in the cylindrical shell, and air intlet, air outlet slit all connect cylindrical shell; Coarse filter is installed in near-space gas entrance point.
2. integrated energy-saving air purifier according to claim 1, the air intlet end that it is characterized in that cylindrical shell is installed coarse filter, fine filter and pull-out type blower fan successively, the import of pull-out type blower fan and cylindrical shell sealing, blower fan is by connecting an inner cylinder member to air intlet.
3. integrated energy-saving air purifier according to claim 1 and 2 is characterized in that, is provided with medium effeciency filter between fine filter and the coarse filter.
4. according to claim 2 or 3 described integrated energy-saving air purifiers, it is characterized in that, between fine filter and the coarse filter and the medium effeciency filter housing be provided with sealing ring and cylindrical shell sealing (in the tube sealing or ring seal all can).
5. according to claim 2 or 3 described integrated energy-saving air purifiers, it is characterized in that, be provided with the ultraviolet catalytic air cleaner in the inner cylinder member, the ultraviolet catalytic air cleaner comprises that nano-carrier ceramic honey comb sheet and uviol lamp constitute.
6. according to claim 2 or 3 described integrated energy-saving air purifiers, it is characterized in that fine filter is the filter of the above particulate matter of filtering 0.2-0.3 micron.
7. according to claim 2 or 3 described integrated energy-saving air purifiers, it is characterized in that blower fan is centrifugal, swinging or roots blower, and is that blast is greater than the blower fan of 0.4KPa.
8. according to claim 2 or 3 described integrated energy-saving air purifiers, it is characterized in that coarse filter adopts papery, fiber or PVA, fine filter adopts the PPS compound needle perverse and with the mistake filter element of PTFE overlay film or the element of nanofiber fine filter or its combination.
9. according to claim 2 or 3 described integrated energy-saving air purifiers, it is characterized in that fine filter, coarse filter and medium effeciency filter are all installed on the installation stop that is stuck in microprotrusion, by the sealing station that stop is positioned in filter in tube is installed.
10. according to claim 2 or 3 described integrated energy-saving air purifiers, it is characterized in that the filter plane is an inclined-plane, filtering material is with folded form, and the area of filtering material is 1.3-4 times of the oblique frame area of filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310183438.3A CN103277838B (en) | 2013-05-15 | 2013-05-15 | Integrated energy-saving air purifier |
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| CN201310183438.3A CN103277838B (en) | 2013-05-15 | 2013-05-15 | Integrated energy-saving air purifier |
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| CN103277838A true CN103277838A (en) | 2013-09-04 |
| CN103277838B CN103277838B (en) | 2016-08-10 |
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| CN201310183438.3A Expired - Fee Related CN103277838B (en) | 2013-05-15 | 2013-05-15 | Integrated energy-saving air purifier |
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| CN103673099A (en) * | 2013-12-09 | 2014-03-26 | 李刘睿 | Air outlet device of water washing type air purifier |
| CN104001387A (en) * | 2014-01-27 | 2014-08-27 | 沈亚斌 | External intelligent fresh air system for rooms |
| CN104645469A (en) * | 2015-02-04 | 2015-05-27 | 丁本增 | Noninvasive breathing apparatus |
| CN105664396A (en) * | 2016-01-31 | 2016-06-15 | 杭州天诚药业有限公司 | Anti-smog filter element, as well as mask and purifying machine adopting anti-smog filter element |
| CN105757790A (en) * | 2014-12-16 | 2016-07-13 | 森德(中国)暖通设备有限公司 | Fresh air system |
| CN105953324A (en) * | 2016-04-20 | 2016-09-21 | 清北高科（北京）科技有限公司 | Air purification device for air conditioner |
| CN106114149A (en) * | 2016-07-13 | 2016-11-16 | 安徽奥丰汽车配件有限公司 | A kind of automobile air pipe filtration system |
| CN108205723A (en) * | 2016-12-18 | 2018-06-26 | 刘宏志 | Up to Air Quality Evaluation method |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103673099A (en) * | 2013-12-09 | 2014-03-26 | 李刘睿 | Air outlet device of water washing type air purifier |
| CN104001387A (en) * | 2014-01-27 | 2014-08-27 | 沈亚斌 | External intelligent fresh air system for rooms |
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| CN105664396A (en) * | 2016-01-31 | 2016-06-15 | 杭州天诚药业有限公司 | Anti-smog filter element, as well as mask and purifying machine adopting anti-smog filter element |
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| CN106114149A (en) * | 2016-07-13 | 2016-11-16 | 安徽奥丰汽车配件有限公司 | A kind of automobile air pipe filtration system |
| CN108205723A (en) * | 2016-12-18 | 2018-06-26 | 刘宏志 | Up to Air Quality Evaluation method |
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| Publication number | Publication date |
|---|---|
| CN103277838B (en) | 2016-08-10 |
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