CN202835606U - Air cleaning device - Google Patents

Air cleaning device Download PDF

Info

Publication number
CN202835606U
CN202835606U CN 201220476057 CN201220476057U CN202835606U CN 202835606 U CN202835606 U CN 202835606U CN 201220476057 CN201220476057 CN 201220476057 CN 201220476057 U CN201220476057 U CN 201220476057U CN 202835606 U CN202835606 U CN 202835606U
Authority
CN
China
Prior art keywords
module
air
electric
cleaning unit
air cleaning
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.)
Expired - Fee Related
Application number
CN 201220476057
Other languages
Chinese (zh)
Inventor
俞建德
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ATAL ENGINEERING Ltd
Original Assignee
ATAL ENGINEERING Ltd
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 ATAL ENGINEERING Ltd filed Critical ATAL ENGINEERING Ltd
Priority to CN 201220476057 priority Critical patent/CN202835606U/en
Application granted granted Critical
Publication of CN202835606U publication Critical patent/CN202835606U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Abstract

The utility model relates to an air cleaning device which comprises a prefiltration module, a heat exchange module, an electric precipitation module, a fine filtration module and an air return channel. The prefiltration module, the heat exchange module, the electric precipitation module and the fine filtration module are connected in sequence through an air inlet channel. An inlet of the air inlet channel is arranged outside a chamber, and an outlet of the air inlet channel is arranged inside the chamber. An air inlet motor is further arranged on the air inlet channel. An inlet of the air return channel is arranged inside the chamber, and an outlet of the air return channel is arranged outside the chamber. The air return channel is further provided with an air return motor. The air cleaning device is characterized in that an electric intercepting component is further arranged between the electric precipitation module and the fine filtration module, the electric intercepting module is an absorption plate which is prepared by a foaming metal plate and used for absorbing particles generated by ionization of the electric precipitation module, and the absorption plate is provided with electric charges opposite to electric charges carried by the electric precipitation module. The air cleaning device is capable of effectively reducing filtration burden of a fine filtration component, and therefore service life of the fine filtration component is prolonged.

Description

Air cleaning unit
Technical field
The utility model relates to airhandling equipment, specifically refers to a kind of air cleaning unit.
Background technology
Along with industrialized development, environmental problem is day by day serious, and the especially pollution of air has had a strong impact on the healthy of people.In order to make the air quality in the local environment obtain certain raising, people are provided with air cleaning unit.Purify entering indoor air by air cleaning unit, to satisfy the demand of health of people.
Existing air cleaning unit includes the following function assembly: prefiltration assembly, heat exchanger assembly, electric precipitation assembly and smart filter assemblies.Prefiltration is to carry out preliminary filtration to entering indoor air, and general prefiltration can reach 80% filter efficiency, and according to the difference of filtering accuracy, the size of the particle diameter of particle is also different in the interception air.
Enter into heat exchanger through the air behind the prefiltration, carry out heat exchange with the air of indoor discharge, the air behind over-heat-exchanger enters the high-pressure electrostatic precipitation district, and high-pressure electrostatic precipitation is to receive the device of catching dust in the air with the electrostatic depuration method.Its purification work mainly relies on high voltage discharge electrode and these two systems of receiving electrode (zero level) to finish.When two interpolars input high pressure, at electrode space, produce the yin, yang ion, and act on by the exhaust gas particles of electrostatic field surperficial, move to its opposite polarity electrode under the effect of electric field force, and form ion wind, the waste gas ion is bonded on the null electrode, reach the purpose of gathering dust, and puncture bacterium and the virus of killing by electric field.The air that has been cleaned through smart filter laggard enter indoor.
Through the air of electric precipitation finally by cross smart filter element laggard enter indoor.The filtering accuracy of general smart filter element can reach 0.1 ~ 0.2 micron, has reached the requirement of human health.
Outdoor air enters the prefiltration assembly by air inlet, remove by filter airborne dust, then enter the heat exchange module equilibrium temperature, air after the heat exchange enters the electric precipitation module, be added with 2000 ~ 6000 volts high-pressure electrostatic on the electric precipitation module, energy moment kill bacteria and virus, the air behind electric precipitation enters smart filter assemblies, the particle that produces after the sterilization of filtering electric precipitation module, purifying air after smart the filtration enters indoor by vent passages.Indoor air is discharged in the atmosphere after then entering heat exchanger assembly and enter the outdoor air heat exchange of heat exchanger assembly by return air channel.
Air cleaning unit is the particulate materials such as dust in the air-isolation effectively, and can kill bacteria, virus, guaranteed that effectively people's health is breathed.But the smart filter assemblies in the air cleaning unit of the prior art stops up easily, and service life is shorter.
Summary of the invention
Thereby being the present situation for prior art, technical problem to be solved in the utility model provide a kind of filtration burden that can effectively reduce smart filter assemblies to prolong the smart filter assemblies air cleaning unit in service life.
The utility model solves the problems of the technologies described above the technical scheme that adopts: this air cleaning unit, comprise the prefiltration module, heat exchange module, electric precipitation module and smart filtering module and the return air channel that connect successively by air intake passage, the entrance of described air intake passage is positioned at outdoor, the outlet of described air intake passage is positioned at indoor, also is provided with the air intake motor on the air intake passage; The entrance of described return air channel is positioned at indoor, and the outlet of described return air channel is positioned at outdoor, and described return air channel is provided with the return air motor; It is characterized in that also being provided with electric intercepting component between described electric precipitation module and the smart filtering module; Described electric blocking module is the adsorption plate that is used for the particle that the ionization of absorption electric precipitation module produces by foamable metal sheet preparation, on the described adsorption plate with described electric precipitation module on electrically charged opposite electric charge.
Electric precipitation module and electric intercepting component mating reaction, air is after process electric precipitation module, airborne molecule includes the dust such as the aerosol, bacterium, virus of harmful substances under the effect of electric precipitation module, so that charged less than the molecule of 0.1 μ m, mutually collision, flocculate into the larger particles greater than 0.1 μ m, thereby tackled and absorb by electric blocking module.After air after processing through electric blocking module enters the smart filtering module that filtering accuracy is 0.1 μ m again, further will be airborne greater than 0.1 μ m molecule filter send into after the removal indoor, thereby obtain not only totally but also ozone.
Described adsorption plate includes the foamable metal sheet of polylith slab construction, and the porosity of described foamable metal sheet is more than or equal to 80%, and these adsorption plates are arranged in parallel.Adopt foamable metal sheet as adsorption plate, can effectively increase adsorption area, guarantee adsorption effect.
Described adsorption plate can also be ripple struction, is coated with the nanometer titanium dioxide coating that organic matter is had decomposition on the surface of adsorption plate, and the provided upstream of adsorption plate is equipped with the ultraviolet source that this adsorption plate is shone.Can effectively decompose adsorption plate by ultraviolet light, nanometer titanium dioxide coating and adsorb the particle of tackling, have self-cleaning effect.
Tackle the particle that gets off for easy cleaning electricity blocking module, in above-mentioned each scheme, the below of described electric blocking module is provided with the container of accepting the particle that drops on the electric blocking module.
In above-mentioned each scheme, inner new wind passage and the return air channel of device is two complete airtight passages, through heat exchange module the time, because air force is different in two passages, so the pressure that exists is just different, can cause the pressure of the heat exchanging fin in the heat exchange module different, if side's pressure is excessive, will cause certain damage to heat exchanging fin, for fear of this problem, also be provided with the air channel bypass on the described air intake passage, the two-port of described air channel bypass all is communicated with described air intake passage and lays respectively at position between described prefiltration module and the described heat exchange module and the position between described heat exchange module and the described electric precipitation module.Like this when the pressure in the return air channel raises, air door 40 since pressure differential can automatically open, balance pressure between the two, guaranteed the normal operation of heat exchanger 4.
Also be provided with the air channel bypass on the described air intake passage, the two-port of described air channel bypass all is communicated with described air intake passage and lays respectively at position between described prefiltration module and the described heat exchange module and the position between described heat exchange module and the described electric precipitation module.The design of air channel bypass is in order to regulate the heat exchange air-flow, the room air energy to be recycled.
Described electric precipitation module comprises the polylith battery lead plate that uniformly-spaced arranges, and is interval with a plurality of projections on the side of each described battery lead plate.By the design of projection, the air quantity that can effectively increase electron wind is with the boosting air stream and make electric charge on the particle band that the ionization of electric precipitation module produces.
Preferably, the longitudinal section of described projection is triangle, rectangle or arc.
In above-mentioned each scheme, in order further to improve heat transfer effect, described heat exchange module can comprise the metallic plate of the superimposed setting of polylith, and is separated with certain distance formation heat exchanger channels between between the adjacent metal sheets; Adjacent heat exchanger channels is respectively the first heat exchanger channels that is connected with described air intake passage and the second heat exchanger channels that is connected with described return air channel; And the first heat exchanger channels and the second heat exchanger channels are isolated mutually.
As improvement, be provided with the dividing plate that the polylith interval arranges between the described adjacent metal sheets, these dividing plates are divided into a plurality of separate branch roads with described passage; Dividing plate between the adjacent heat exchanger channels is mutually vertical.
Preferably, the thickness of described metallic plate is less than or equal to 3 millimeters.The metallic plate heat-transfer effect of this thickness is best.
Described metallic plate can also be corrugated structure, and the corrugation on the adjacent metal sheets is mutually vertical.
Preferably, the metallic plate in above-mentioned each scheme can be selected aluminium sheet, alloy sheets or the good metal material of other heat conduction, and especially for aluminium sheet, the thickness of aluminium sheet is during less than or equal to 3 millimeters, and its heat-transfer effect is thundering good.
Traditional high voltage electrostatic dust precipitator that is used for air cleaning, adopt the structure of cathode-anode plate, discharge by pole plate, what also have discharges with tungsten filament, and these devices all are that high voltage discharge electrode is set together with catching the utmost point (zero level), because two interpolars are set together, space length is less, charged waste gas ion does not also have enough time to be bonded on the zero level plate just to waft, and does not reach the effect of bonding, does not have the effect of dedusting.Compared with prior art, the utility model can effectively shield and tackle the particle that the ionization of electric precipitation module produces by the design of electric blocking module, has reduced the load of smart filtering module, has guaranteed clean-up effect, has prolonged the service life of smart filtering module; In the preferred version, improved the structure of heat exchange, increased electric interception unit, volume is little, and is lightweight, when satisfying the purification requirement, more is convenient to install and transportation, more can adapt to the demand in market; And but each module in the utility model can be made into the inserting structure, made things convenient for maintenance and the replacing of each module.
Description of drawings
Fig. 1 and Fig. 2 are the schematic perspective view (door opening state) of the utility model embodiment assembly structure;
Fig. 3 is the floor map (having saved door) of the utility model embodiment assembly structure;
Fig. 4 is the schematic perspective view of heat exchange module assembly structure among the utility model embodiment;
Fig. 5 and Fig. 6 are the perspective view of aluminium sheet in the utility model embodiment heat exchange module;
Fig. 7 is the perspective view of the utility model embodiment electric precipitation module;
Fig. 8 is the perspective view of electric blocking module among the utility model embodiment;
Fig. 9 is the perspective view of another kind of electric blocking module example in the utility model;
Figure 10 is the structural principle schematic diagram of the utility model embodiment.
The specific embodiment
Embodiment is described in further detail the utility model below in conjunction with accompanying drawing.
To shown in Figure 10, this air cleaning unit comprises such as Fig. 1:
Housing 1 is cabinet type structure, comprises cabinet 11 and cabinet door 12; Blast pipe 13 connects the basifacial fresh inlet in the outside that is arranged on cabinet 11, and backwind tube 14 connects the inboard basifacial return air inlet of cabinet; The end face of cabinet is provided with new wind outlet 15.
Air intake passage connects the fresh inlet on the housing, and its arrival end is positioned at outdoor, be used for being transported under with the outdoor effect of fresh wind at blower fan send into after the purification in this air cleaning unit indoor.Air intake passage is provided with air intake motor 33.
Return air channel connects the return air inlet on the housing, and its arrival end is positioned at indoor, is used for passing out to indoor air outdoor.Return air channel is provided with return air motor 34.
Be equipped with bypass line on air intake passage in the present embodiment and the return air channel, bypass line is provided with bypath valve, opens as required bypath valve with convenient when indoor/outdoor temperature-difference is larger, makes the inlet, outlet body divide heat exchange or not heat exchange.
Prefiltration module 4 is inclined in the housing 1, and the fresh air that is entered in the housing by air intake passage all filters by the prefiltration module.Prefiltration in the present embodiment adopts the nonwoven filter cotton usually, by 100% pure fiber with needle-punching method height of formation filter course fluffy, that have three-dimensional depth.Be characterized in that fibr tissue is loose, high voidage has increased the pollutant holding capability of impurity, belongs to the compound pattern of holding back, can effectively remove solid and soft particle, larger granule foreign is trapped within fiber surface, and fine particle then is trapped in the filter material deep layer, therefore has higher filter efficiency.
Heat exchange module 5 is used for indoor return air and outdoor fresh wind are carried out heat exchange, and balance enters the temperature of indoor fresh wind, makes it near indoor temperature.Heat exchange module 5 in the present embodiment comprises that the thickness of the superimposed setting of polylith is the aluminium sheet 51 of 2mm, and aluminium sheet 51 is fixed on the grille frame that is made of many cross-brace plates 57 and Duo Gen longitudinal supporting plate 52; The height of cross-brace plate 51 is less than the height of longitudinal supporting plate 52; Alternately be provided with projection 53 and connecting hole 54 on four angles of grille frame, adjacent grille frame cooperates together by projection 53 and connecting hole 54.And pass through a plurality of heat exchanger channels of spacing formation of vertical supporting bar between the adjacent aluminium sheet.With mutually vertical stack of the longitudinal supporting plate on the adjacent grid support (or cross-brace plate).What be connected with air intake passage is the first heat exchanger channels 55 in definition, be connected with return air channel be the second heat exchanger channels 56, the first heat exchanger channels mutually isolate with the second heat exchanger channels and airflow direction mutually vertical.The above-mentioned grille frame that is fixed with aluminium sheet is spacing in heat exchange module support 58, with convenient plug, is beneficial to maintenance and the plug of heat exchange module.
Aluminium sheet in the above-mentioned heat exchange module can also adopt the aluminium sheet 2 of corrugated structure, can form mutual isolation and vertical the first heat exchanger channels and the second heat exchanger channels after superimposed with the corrugation on the adjacent aluminum plates is vertical.
Electric precipitation module 6 is added with 2000 ~ 6000 volts high-pressure electrostatic on it, be used for the fresh air after the heat exchange is ionized, to kill the poisonous and harmful microorganisms such as airborne bacterium, virus.Electric precipitation module in the present embodiment comprises the polylith battery lead plate 61 that uniformly-spaced arranges, and a side of battery lead plate is broached-tooth design; This broached-tooth design can also be designed to square wave structure or wavy shaped configuration as required.These battery lead plates 61 are fixed on the battery lead plate framework 62.
Electricity intercepting component 7 is arranged on the air intake passage, is positioned at electric precipitation module downstream.It comprises connecting rod 71, the adsorption plate 72 of the particle that is used for absorption electric precipitation module ionization generation that the polylith that is serially connected by connecting rod 71 is arranged in parallel, adsorption plate 72 in the present embodiment is foamed aluminum sheet, the porosity of foamed aluminum sheet is 80%, and porosity refers to that the material internal pore volume accounts for the percentage of its cumulative volume.These adsorption plates be arranged in parallel and on it with the electric precipitation module on electrically charged opposite electric charge.
The foamable metal sheet 31 that above-mentioned adsorption plate can also adopt can be increased front face area, improve the ripple struction for the treatment of effeciency, evenly be coated with the nanometer titanium dioxide coating that organic matter is had decomposition on the windward side of this metallic plate as shown in Figure 9, above framework, be provided with quartz burner 32.
Nano-TiO 2Have the advantages such as very high chemical stability, heat endurance, avirulence, Superhydrophilic, non-migrating, for a long time sterilization under ultraviolet effect.Light can see through the particle face of nano titanium oxide, and nano TiO 2 obviously strengthens the ultraviolet-absorbing in 280~320nm medium wave district, and ultraviolet irradiation intensity can play the effect of disinfection greater than 70UW/C (1 meter) stable output.
Experiment showed, with 0.1mg/cm 3The dichloride in anatase type TiO of concentration 2Can kill up hill and dale pernicious HeLa cell, and increase TiO along with superoxide dismutase SOD addition 2The efficient of photocatalysis kill cancer cell also improves.Killing rate to bacillus subtilis black variety gemma, Pseudomonas aeruginosa, Escherichia coli, gold-coloured staphylococci, salmonella, tooth branch bacterium and aspergillus all reaches more than 98%; Under the effect of daylight or light middle-ultraviolet lamp, make TiO 2Activate and generate the free radical with high catalytic activity, can produce very strong photooxidation and reducing power, but catalysis, photodissociation are attached to organic matter and the part inorganic matters such as various formaldehyde of body surface, and it is decomposed into carbon dioxide and water, can play the function that purifies air.
Drawer 73 is arranged on the below of electric blocking module 7, be used for accepting drop after the absorption that electric blocking module connects particle.
Smart filtering module 8, employed smart filtering module is without dividing plate high-efficiency precision filter in the present embodiment, its adopt high-performance 0.1UM ultra-fine fibre glass filter paper in other words the PTFE composite as filtrate, sept is the PUR of high-quality, the multiple ranks such as middle effect (F6-F9), inferior efficient (H10-H12), efficient (H13-H14), ultra high efficiency (U15-U17) are arranged, have without the leak source filtering accuracy advantages such as high, easy for installation.The filtering accuracy of smart filter element can reach 0.1~0.2 micron, has reached the requirement of human health.
The operation principle of this air cleaning unit is as follows:
Extraneous new wind enters in the air intake passage of purifier inside by blast pipe under the effect of air intake motor, after the prefiltration module, enter heat exchange module behind the dust of elimination about 80%, after the indoor wind of sending here with the return air motor carries out heat exchange, enter the electrostatic high-pressure dedusting zone that is formed by electric precipitation module and electric blocking module; The high-pressure electrostatic zone of electric precipitation is as the charged material of emission of cathode, and the electricity interception forms an interception zone as anode; Air at first under the effect of electric precipitation module, ionizes, decomposes materials such as airborne bacterium and viruses, generates some granules; These granules enter in the electric blocking module in downstream together along with air, and the granule after the ionization is adsorbed, shields, tackles by electric blocking module, and air enters smart filtering module, further remove by filter send into behind the airborne fine particle indoor.
Air in the room enters from the entrance of return air channel, is discharged in the atmosphere by the outlet of the air heat-exchange in heat exchanger and the air intake passage by return air channel.When outdoor temperature is higher, and the temperature of outside air is when low, and by-passing valve is opened, after the air that ambient temperature is low passes through prefiltration, have an appointment 30% air without heat exchange, directly enter in the electric precipitation by by-passing valve, through the electricity interception, smart filter laggard enter indoor.Be provided with detected temperatures, humidity, the isoparametric sensor of gas concentration lwevel in the equipment, constantly the air through equipment detected, guarantee the effect that purifies.
When indoor/outdoor temperature-difference was larger, the air in the part air intake passage was walked around heat exchange module, directly enters in the electric precipitation module by not carrying out heat exchange from the air channel bypass.
In this air cleaning unit, prefiltration module, heat exchange module, electric precipitation module, electric blocking module, smart filtering module are modular unit, but plug and play, and installation is cleaned more convenient.And each module in the present embodiment tilts to prevent all that structural configuration is compact, has effectively reduced the volume of whole device.And the large impurity such as dust of electricity interception bonding are accumulated to behind a certain size the particle because gravity can drop in the drawer.Utilize drawer to accept large particulate material, clear up very convenient.

Claims (11)

1. air cleaning unit, comprise the prefiltration module, heat exchange module, electric precipitation module and smart filtering module and the return air channel that connect successively by air intake passage, the entrance of described air intake passage is positioned at outdoor, the outlet of described air intake passage is positioned at indoor, also is provided with the air intake motor on the air intake passage; The entrance of described return air channel is positioned at indoor, and the outlet of described return air channel is positioned at outdoor, and described return air channel is provided with the return air motor; It is characterized in that also being provided with electric intercepting component between described electric precipitation module and the smart filtering module; Described electric blocking module is the adsorption plate that is used for the particle that the ionization of absorption electric precipitation module produces by foamable metal sheet preparation, on the described adsorption plate with described electric precipitation module on electrically charged opposite electric charge.
2. air cleaning unit according to claim 1 is characterized in that described adsorption plate includes the foamable metal sheet of polylith slab construction, and the porosity of described foamable metal sheet is more than or equal to 80%, and these adsorption plates are arranged in parallel.
3. air cleaning unit according to claim 1, it is characterized in that described adsorption plate is ripple struction, be coated with the nanometer titanium dioxide coating that organic matter is had decomposition on the surface of adsorption plate, the provided upstream of adsorption plate is equipped with the ultraviolet source that this adsorption plate is shone.
4. according to claim 1,2 or 3 described air cleaning units, it is characterized in that also being provided with on the described air intake passage air channel bypass, the two-port of described air channel bypass all is communicated with described air intake passage and lays respectively at position between described prefiltration module and the described heat exchange module and the position between described heat exchange module and the described electric precipitation module.
5. air cleaning unit according to claim 4 is characterized in that the below of described electric blocking module is provided with the container of accepting the particle that drops on the electric blocking module.
6. air cleaning unit according to claim 4 is characterized in that described electric precipitation module comprises the polylith battery lead plate that uniformly-spaced arranges, and is interval with a plurality of projections on the side of each described battery lead plate.
7. air cleaning unit according to claim 6, the longitudinal section that it is characterized in that described projection is triangle, rectangle or arc.
8. air cleaning unit according to claim 4 is characterized in that described heat exchange module comprises the metallic plate of the superimposed setting of polylith, and is separated with certain distance formation heat exchanger channels between between the adjacent metal sheets; Adjacent heat exchanger channels is respectively the first heat exchanger channels that is connected with described air intake passage and the second heat exchanger channels that is connected with described return air channel; And the first heat exchanger channels and the second heat exchanger channels are isolated mutually.
9. air cleaning unit according to claim 8 is characterized in that being provided with the dividing plate that the polylith interval arranges between the described adjacent metal sheets, and these dividing plates are divided into a plurality of separate branch roads with described passage; Dividing plate between the adjacent heat exchanger channels is mutually vertical.
10. air cleaning unit according to claim 8 is characterized in that the thickness of described metallic plate is less than or equal to 3 millimeters.
11. air cleaning unit according to claim 8 it is characterized in that described metallic plate is corrugated structure, and the corrugation on the adjacent metal sheets is mutually vertical.
CN 201220476057 2012-09-18 2012-09-18 Air cleaning device Expired - Fee Related CN202835606U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220476057 CN202835606U (en) 2012-09-18 2012-09-18 Air cleaning device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220476057 CN202835606U (en) 2012-09-18 2012-09-18 Air cleaning device

Publications (1)

Publication Number Publication Date
CN202835606U true CN202835606U (en) 2013-03-27

Family

ID=47947299

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220476057 Expired - Fee Related CN202835606U (en) 2012-09-18 2012-09-18 Air cleaning device

Country Status (1)

Country Link
CN (1) CN202835606U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102980255A (en) * 2012-09-18 2013-03-20 宁波德安生态环保工程有限公司 Air cleaner

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102980255A (en) * 2012-09-18 2013-03-20 宁波德安生态环保工程有限公司 Air cleaner
CN102980255B (en) * 2012-09-18 2015-07-08 宁波德安生态环保工程有限公司 Air cleaner

Similar Documents

Publication Publication Date Title
CN102980255B (en) Air cleaner
CN204421208U (en) A kind of multifunctional air purifying case
CN201628325U (en) Air purifier
CN201143317Y (en) Electrostatic field plasma air purifying device
CN203550061U (en) Comprehensive type air disinfecting and purifying machine
CN202289842U (en) Plasma discharge-catalyzed air purifying device
CN103982949B (en) The dual-purpose new wind air cleaner of anti-PM2.5 with ozone removal device
CN203793080U (en) Automatic roof air purification device
CN103691240A (en) High-dust holding capacity and high-efficiency composite electrostatic air purification device
CN104791920A (en) Fresh air PM2.5 air purifier
CN201028711Y (en) Air conditioner purifying and disinfection device
CN202497789U (en) PM2.5 integrated air purifying treatment device
CN101886828A (en) Static lampblack purification device
CN102721126A (en) Electrostatic filter composite air purification device
CN204704960U (en) A kind of new wind PM2.5 air purifier
CN206959175U (en) A kind of dismountable air cleaning unit
CN102434924A (en) Improvement method of air-conditioner purifier
CN203469745U (en) Air-opening type electronic dust-removing purification device
CN105135545A (en) Efficient air purifier
CN202505825U (en) Air cleaning device and plasma generator
CN2770660Y (en) Air purifier
CN202835606U (en) Air cleaning device
CN205245374U (en) Air purifier
CN202432661U (en) Multistage-filtration air conditioning purifier
CN203370447U (en) Integrated purifier for whole industrial plant

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: 20130327

Termination date: 20170918