CN108159790A - A kind of portable W-shaped air filtration module for increasing dust containing capacity - Google Patents
A kind of portable W-shaped air filtration module for increasing dust containing capacity Download PDFInfo
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- CN108159790A CN108159790A CN201711385592.3A CN201711385592A CN108159790A CN 108159790 A CN108159790 A CN 108159790A CN 201711385592 A CN201711385592 A CN 201711385592A CN 108159790 A CN108159790 A CN 108159790A
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- plate
- portable
- air filtration
- shaped air
- filtration module
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
- B01D46/62—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
- B01D46/0032—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions using electrostatic forces to remove particles, e.g. electret filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
- B01D46/0036—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions by adsorption or absorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
- B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
- B01D46/121—V-type arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/44—Auxiliary equipment or operation thereof controlling filtration
- B01D46/446—Auxiliary equipment or operation thereof controlling filtration by pressure measuring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/20—Organic adsorbents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/40083—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption
- B01D2259/40088—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by heating
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Separation Of Gases By Adsorption (AREA)
Abstract
The present invention relates to technical field of air purification.A kind of portable W-shaped air filtration module for increasing dust containing capacity, including a filtering module, filtering module includes a paper frame, paper frame is equipped with filtration channel of the left and right through conducting, filter core is fixed in filtration channel, using the left side of paper frame as the inlet end of filtration channel, the right side of paper frame is the outlet side of filtration channel, and a knob is equipped on the front end face of paper frame；Filter core includes the connected W rugosity filter cores formed of at least three plate filtering bodies sequence, and W rugosities filter core is the partition board for filtration channel or so to be separated.The present invention is by optimizing the structures of traditional filtration modules, by the way that filter core is designed to W rugosity filter cores, while increasing the contact area with air, increased appearance ash quantity, in addition the present invention is detachably installed by knob convenient for filtering module integrally to be carried out to drawing and pulling type.
Description
Technical field
The present invention relates to technical field of air purification, and in particular to air filtration module.
Background technology
Air filtration module is one of essential component in air cleaning unit.
Existing air filtration module is not provided with shaking hands, and in installation, dismounting and transportational process, is not easy to grabbing for hand
It takes.
Invention content
The object of the present invention is to provide it is a kind of increase dust containing capacity portable W-shaped air filtration module, solve with up to
A few technical problem.
Following technical scheme may be used to realize in technical problem solved by the invention：
A kind of portable W-shaped air filtration module for increasing dust containing capacity, the filter including a paper frame and in paper frame
Core, the paper frame be by offering the left plate of air inlet, offering the right plate of gas outlet, front side board, back side panel, top plate,
The paper frame that bottom plate surrounds a, which is characterized in that knob, the paper frame installation are mounted on the front side board of the paper frame
There is the medial surface at knob to be fixed with a reinforcing plate；
The filter core includes the connected W rugosity filter cores formed of at least three plate filtering bodies sequence, adjacent plate mistake
Filter body forms one 15 °~35 ° of angle.
The present invention while dismounting convenient for drawing and pulling type, is readily transported by having additional knob.In addition, this patent passes through increasing
Equipped with reinforcing plate, certain pulling force is born convenient for paper frame.
The present invention is increased while increasing the contact area with air by the way that filter core is designed to W rugosity filter cores
Hold ash quantity.
The knob is shaken hands made of Matal handle or woven bag.It is portable convenient for being carried out to device.
The reinforcing plate includes a plate body, and the left and right ends of the plate body are equipped with a flange, to be located at plate body left end
Flange is left flange, to be located at the flange of plate body right end as right flange；
The plate body is fixedly connected with the front side board；
The left flange is fixedly connected with the left plate；
The right flange is fixedly connected with the right plate.
And then ensure to be equipped with paper frame the increase of intensity at knob.
The left side of the left plate is stained with left end gasket made of an EPDM；
The right side of the right plate is stained with right end gasket made of an EPDM.
The present invention is inserted into the socket of purifier convenient for filtering module by having additional left end gasket and right end gasket
When close connectivity.
The front surface of the front side board is stained with wearing layer made of an EPDM, offers to install on the wearing layer
The opening of knob.
While being easy to implement knob installation, by wearing layer, prevent the stress of front side board from wearing.
As a preferred embodiment, the plate filtering body is plate filtering body made of HEPA filter paper；
The thickness of the plate filtering body is 8mm~12mm.
Preferably, HEPA filter paper can be chosen for the beautiful H13 filter paper of 3M or east.
Convenient for the present invention is used as HEPA filtering modules.
Right end positioned at the plate filtering body of rearmost is connected with the right plate, the plate filtering body positioned at forefront
Right end is connected with the right plate；
The upper end of the plate filtering body is connected with the top plate, the lower end of the plate filtering body and the bottom plate phase
Even.
The gas flowed through in paper frame is filtered convenient for passing through plate filtering body, avoid paper frame and W rugosities filter core it
Between gap.
As another preferred embodiment, the filter core further includes Electrostatic Absorption layer and the work of Electrostatic Absorption material composition
Property charcoal filter layer, the filtration channel from left to right successively be equipped with the Electrostatic Absorption layer, W rugosities filter core, activated carbon filtering
Layer.
It is easy to implement taste removal and first medium air filtration.
The plate filtering body is plate filtering body made of glass fibre or non-woven fabrics.
The left end of the plate filtering body connects the Electrostatic Absorption layer, and the right end of the plate filtering body connects the work
Property charcoal filter layer；
The upper end of the plate filtering body is connected with the inner wall of the top plate, lower end and the bottom of the plate filtering body
The inner wall of plate is connected.
Convenient for ensureing filter effect.
The Electrostatic Absorption material can be chosen for the HAF Electrostatic Absorption materials of 3M productions.
The filter core further includes one for adsorbing the adsorption layer of organic gas, the adsorption layer prepared by the following raw material and
Into, activated carbon 60%, glass fibre 3%, water-absorbing resin 8%, magnetic powder 4%, mao bamboon inner membrance 5%, sepiolite 9%, diatom ooze
8%, licorice powder 3%.The present invention ensures the overall air permeability of filter core, passes through diatom ooze by increasing the content of activated carbon
As adhesive, while realizing that the viscosity of raw material is fixed, moreover it is possible to realize and the viscosity of impurity is adsorbed.This patent is by having additional
Mao bamboon inner membrance and licorice powder, adsorption effect are more excellent.
The adsorption layer is adhered on the right side of the W rugosities filter core.
Convenient for passing through the filtering that W rugosities filter core carries out dust, the absorption of organic gas is realized by adsorption layer.
The inside of the adsorption layer is embedded with heater strip.By way of heating adsorption layer heater strip, absorption is realized
Organic gas in adsorption layer volatilizees outward.
Description of the drawings
Fig. 1 is a kind of sectional view of the present invention；
Fig. 2 is a kind of structure diagram of the present invention；
Fig. 3 is another sectional view of the present invention；
Fig. 4 is another structure diagram of the present invention.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Conjunction is specifically illustrating that the present invention is further explained.
With reference to Fig. 1, Fig. 2, Fig. 3, Fig. 4, a kind of portable W-shaped air filtration module for increasing dust containing capacity, including a paper frame 1
And the filter core in paper frame 1, paper frame 1 be by offering the left plate of air inlet, offering the right plate of gas outlet, it is preceding
The paper frame 1 that side plate, back side panel, top plate, bottom plate surround is mounted with a knob 6, paper frame installation on the front side board of paper frame
There is the medial surface at knob to be fixed with a reinforcing plate 5.The present invention is by having additional knob, while dismounting convenient for drawing and pulling type, just
In transport.In addition, by having additional reinforcing plate, certain pulling force is born convenient for paper frame 1 for this patent.
Filter core includes the sequentially connected W rugosities filter core 2 formed of at least three plate filtering bodies 21, the filtering of adjacent plate
Body 21 forms one 15 °~35 ° of angle.The present invention increases the contact with air by the way that filter core is designed to W rugosity filter cores
While area, increased appearance ash quantity.
Knob 6 is shaken hands made of Matal handle or woven bag.It is portable convenient for being carried out to device.
Reinforcing plate includes a plate body, and the left and right ends of plate body are equipped with a flange, to be located at the flange of plate body left end as a left side
Flange, to be located at the flange of plate body right end as right flange；Plate body is fixedly connected with front side board；Left flange is fixed with left plate to be connected
It connects；Right flange is fixedly connected with right plate.And then ensure to be equipped with paper frame 1 increase of intensity at knob.
The left side of left plate is stained with left end gasket 4 made of an EPDM；The right side of right plate is stained with one
Right end gasket 3 made of EPDM.The present invention is inserted by having additional left end gasket 4 and right end gasket 3 convenient for filtering module
Enter the close connectivity during socket of purifier.
The front surface of front side board is stained with wearing layer 7 made of an EPDM, offers to install knob on wearing layer 7
Opening.While being easy to implement knob installation, by wearing layer, prevent the stress of front side board from wearing.
As a preferred embodiment, plate filtering body is plate filtering body made of HEPA filter paper；The thickness of plate filtering body
It spends for 8mm~12mm.Preferably, HEPA filter paper can be chosen for the beautiful H13 filter paper of 3M or east.Convenient for using the present invention as HEPA
Filtering module uses.Right end positioned at the plate filtering body of rearmost is connected with right plate, the plate filtering body positioned at forefront
Right end be connected with right plate；The upper end of plate filtering body is connected with top plate, and the lower end of plate filtering body is connected with bottom plate.It is convenient for
The gas flowed through in paper frame 1 is filtered by plate filtering body, avoids gap between paper frame 1 and W rugosity filter cores.
As another preferred embodiment, filter core further includes the Electrostatic Absorption layer 8 and activity of Electrostatic Absorption material composition
Charcoal filter layer 9, filtration channel are equipped with Electrostatic Absorption layer 8, W rugosities filter core 2, activated carbon filter layer 9 successively from left to right.It is convenient for
Realize taste removal and first medium air filtration.Plate filtering body is plate filtering body made of glass fibre or non-woven fabrics.Plate mistake
The left end connection Electrostatic Absorption layer of filter body, the right end connection activated carbon filter layer of plate filtering body；The upper end of plate filtering body with
The inner wall of top plate is connected, and the lower end of plate filtering body is connected with the inner wall of bottom plate.Convenient for ensureing filter effect.Electrostatic Absorption material
It can be chosen for the HAF Electrostatic Absorption materials of 3M productions.
Filter core further includes one for adsorbing the adsorption layer of organic gas, and adsorption layer is prepared by the following raw material, activated carbon
60%, glass fibre 3%, water-absorbing resin 8%, magnetic powder 4%, mao bamboon inner membrance 5%, sepiolite 9%, diatom ooze 8%, licorice powder
3%.The present invention ensures the overall air permeability of filter core, is used as adhesive by diatom ooze by increasing the content of activated carbon,
While realizing that the viscosity of raw material is fixed, moreover it is possible to realize and the viscosity of impurity is adsorbed.This patent by have additional mao bamboon inner membrance with
Licorice powder, adsorption effect are more excellent.
Adsorption layer is adhered on the right side of W rugosity filter cores.Convenient for passing through the filtering that W rugosities filter core carries out dust,
The absorption of organic gas is realized by adsorption layer.
The inside of adsorption layer is embedded with heater strip.By way of heating adsorption layer heater strip, realize that absorption is being inhaled
Organic gas in attached layer volatilizees outward.
The left end of paper frame inner filter core is mounted on a baroceptor with right end.Convenient for the air pressure sensing according to left and right ends
The numerical value of device and then judge whether to need replacing filter core.When the air pressure difference of the two is more than setting value, air filtration mould is replaced
Block.
A transducer sensitivity is equipped in paper frame enhances system；Transducer sensitivity enhancing system is arranged on paper frame including one
Interior gas held chamber, gas held intracavitary are provided with gas sensor sensing element；It is set at the air inlet of gas held chamber
There is openable hermatic door；Gas held intracavitary is additionally provided with an electrothermal device；By heating, to improve the work of ingredient in air
Property or provide reaction effect, make detection sensitiveer；Gas held intracavitary is additionally provided with a temperature sensor, to provide temperature in real time
Parameter is spent, reference temperature is enabled a system to and detected value is modified, make detection more accurate.A piston mechanism is further included, it is living
Fill in the gas outlet of the cylinder of mechanism and gas held chamber unicom；The driving mechanism of piston mechanism uses motor, the electricity of motor
Source connects control system.By piston mechanism, gas held intracavitary other are compressed, improves density, and then improve
Accuracy of detection.Gas held intracavitary is additionally provided with the wind turbine of the air-flow flowing of a driving gas held intracavitary, the electric energy input of wind turbine
End connection control system, with by wind turbine drive gas held intracavitary air-flow flow, so as to make the gas reacted rapidly from
The sensitive surface of gas sensor sensing element flows away, new gas contact induction face, improves sensitivity.
The basic principles, main features and the advantages of the invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (10)
1. a kind of portable W-shaped air filtration module for increasing dust containing capacity, the filter core including a paper frame and in paper frame,
The paper frame is front side board, back side panel, top plate, bottom plate by offering the left plate of air inlet, offering the right plate of gas outlet
Six paper frames surrounded a, which is characterized in that knob is mounted on the front side board of the paper frame, the paper frame is equipped with drawing
Medial surface at hand is fixed with a reinforcing plate；
The filter core includes the connected W rugosity filter cores formed of at least three plate filtering bodies sequence, adjacent plate filtering body
Form one 15 °~35 ° of angle.
2. a kind of portable W-shaped air filtration module for increasing dust containing capacity according to claim 1, it is characterised in that：Institute
It states reinforcing plate and includes a plate body, the left and right ends of the plate body are equipped with a flange, are turned over using the flange for being located at plate body left end as a left side
Side, to be located at the flange of plate body right end as right flange；
The plate body is fixedly connected with the front side board；
The left flange is fixedly connected with the left plate；
The right flange is fixedly connected with the right plate.
3. a kind of portable W-shaped air filtration module for increasing dust containing capacity according to claim 1, it is characterised in that：Institute
The left side for stating left plate is stained with left end gasket made of an EPDM；
The right side of the right plate is stained with right end gasket made of an EPDM.
4. a kind of portable W-shaped air filtration module for increasing dust containing capacity according to claim 1, it is characterised in that：Institute
Stating knob is shaken hands made of Matal handle or woven bag.
5. a kind of portable W-shaped air filtration module for increasing dust containing capacity according to claim 1, it is characterised in that：Institute
The front surface for stating front side board is stained with wearing layer made of an EPDM, offers to install opening for knob on the wearing layer
Mouthful.
6. a kind of portable W-shaped air filtration module for increasing dust containing capacity according to claim 1, it is characterised in that：Institute
It is plate filtering body made of HEPA filter paper to state plate filtering body；
The thickness of the plate filtering body is 8mm~12mm.
7. a kind of portable W-shaped air filtration module for increasing dust containing capacity according to claim 1, it is characterised in that：Institute
State filter core further include an Electrostatic Absorption material composition Electrostatic Absorption layer and activated carbon filter layer, the filtration channel from a left side to
It is right to be equipped with the Electrostatic Absorption layer, W rugosities filter core, activated carbon filter layer successively.
8. a kind of portable W-shaped air filtration module for increasing dust containing capacity according to claim 7, it is characterised in that：Institute
The left end for stating plate filtering body connects the Electrostatic Absorption layer, and the right end of the plate filtering body connects the activated carbon filtering
Layer；
The upper end of the plate filtering body is connected with the inner wall of the top plate, lower end and the bottom plate of the plate filtering body
Inner wall is connected.
9. a kind of portable W-shaped air filtration module for increasing dust containing capacity according to claim 1, it is characterised in that：Institute
It states filter core and further includes one for adsorbing the adsorption layer of organic gas, the adsorption layer is prepared by the following raw material, activated carbon
60%, glass fibre 3%, water-absorbing resin 8%, magnetic powder 4%, mao bamboon inner membrance 5%, sepiolite 9%, diatom ooze 8%, licorice powder
3%.
10. a kind of portable W-shaped air filtration module for increasing dust containing capacity according to claim 9, it is characterised in that：Institute
The inside for stating adsorption layer is embedded with heater strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711385592.3A CN108159790A (en) | 2017-12-20 | 2017-12-20 | A kind of portable W-shaped air filtration module for increasing dust containing capacity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711385592.3A CN108159790A (en) | 2017-12-20 | 2017-12-20 | A kind of portable W-shaped air filtration module for increasing dust containing capacity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108159790A true CN108159790A (en) | 2018-06-15 |
Family
ID=62523015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711385592.3A Pending CN108159790A (en) | 2017-12-20 | 2017-12-20 | A kind of portable W-shaped air filtration module for increasing dust containing capacity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108159790A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114259860A (en) * | 2021-12-28 | 2022-04-01 | 湖南东江环保投资发展有限公司 | Exhaust gas treatment system |
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|---|---|---|---|---|
| CN204555268U (en) * | 2015-02-28 | 2015-08-12 | 深圳奥郎格环保有限公司 | The filter structure of air cleaning system |
| CN205730700U (en) * | 2016-01-06 | 2016-11-30 | 烟台宝源净化有限公司 | Core level high efficiency particle air filter with fire-retardant silk thread separator filter element |
| CN206295713U (en) * | 2016-12-13 | 2017-07-04 | 海森林（厦门）净化科技有限公司 | A kind of combined type eliminates the unusual smell filter except aldehyde |
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2017
- 2017-12-20 CN CN201711385592.3A patent/CN108159790A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204555268U (en) * | 2015-02-28 | 2015-08-12 | 深圳奥郎格环保有限公司 | The filter structure of air cleaning system |
| CN205730700U (en) * | 2016-01-06 | 2016-11-30 | 烟台宝源净化有限公司 | Core level high efficiency particle air filter with fire-retardant silk thread separator filter element |
| CN206295713U (en) * | 2016-12-13 | 2017-07-04 | 海森林（厦门）净化科技有限公司 | A kind of combined type eliminates the unusual smell filter except aldehyde |
Non-Patent Citations (3)
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114259860A (en) * | 2021-12-28 | 2022-04-01 | 湖南东江环保投资发展有限公司 | Exhaust gas treatment system |
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Application publication date: 20180615 |