CN107042159A - A kind of collecting plate, dust collecting electrode and portable electrostatic precipitator - Google Patents
A kind of collecting plate, dust collecting electrode and portable electrostatic precipitator Download PDFInfo
- Publication number
- CN107042159A CN107042159A CN201710431184.0A CN201710431184A CN107042159A CN 107042159 A CN107042159 A CN 107042159A CN 201710431184 A CN201710431184 A CN 201710431184A CN 107042159 A CN107042159 A CN 107042159A
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- Prior art keywords
- hollow sheeting
- plate
- collecting
- conductive
- conductive material
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/34—Constructional details or accessories or operation thereof
- B03C3/40—Electrode constructions
- B03C3/45—Collecting-electrodes
- B03C3/47—Collecting-electrodes flat, e.g. plates, discs, gratings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/34—Constructional details or accessories or operation thereof
- B03C3/66—Applications of electricity supply techniques
Abstract
The invention discloses a kind of collecting plate, including hollow sheeting, hollow sheeting, which has, is used for the through hole that air-flow is passed through, side in the top side and bottom side of hollow sheeting is provided with conductive material, the two ends of hollow sheeting, which are offered, is filled with electrically conductive ink or conductive silver paste in the groove of a side opening, groove, electrically conductive ink or conductive silver paste apply high low potential respectively after the drying, so that hollow sheeting formation high voltage electric field, for collecting charged particle.The invention also discloses a kind of dust collecting electrode, including multiple collecting plates, multiple collecting plates are from top to bottom staggeredly stacked setting successively.The invention also discloses a kind of portable electrostatic precipitator, including DC batteries, high pressure generator, conductive carbon brush, fan, in addition to dust collecting electrode.It can effectively solve the problem that causes efficiency of dust collection low and the problem of there is potential safety hazard and the problem of portable electrostatic precipitator can not continue transmitting anion because metal material surface burr produces point discharge under high pressure.
Description
Technical field
The present invention relates to technical field of electrostatic dust collection, more particularly to a kind of collecting plate, dust collecting electrode and portable electrostatic precipitation
Device.
Background technology
According to electrostatic precipitation principle, speed, electric-field intensity, the dust collecting electrode size of the efficiency of dust collection of dust collecting electrode and powered dust
It is related etc. factor.Existing dust collecting electrode is mainly made up of metal material, and the distance between its efficiency of dust collection and metal polar plate are into anti-
Than the electric-field intensity between plate is directly proportional, and is inversely proportional with air by the speed of dust collecting electrode.Because metal material finished surface holds
Burr is also easy to produce, point discharge can be produced when voltage is high, therefore the distance between metal polar plate is in more than 5mm, and in parallel electric field
Air breakdown field strength be 30kV/cm, therefore voltage between metal polar plate is below 15kV, by the calculated results metal material
There is also certain potential safety hazard for the relatively low and exposed metal electrical body of the dust collecting electrode efficiency of dust collection that is made.
The content of the invention
It is an object of the invention to propose a kind of collecting plate, dust collecting electrode and portable electrostatic precipitator, it can be effective
Solve to cause efficiency of dust collection low and the problem of there is potential safety hazard because metal material surface burr produces point discharge under high pressure,
And portable electrostatic precipitator is the problem of can not continue transmitting anion.
For up to this purpose, the present invention uses following technical scheme：
On the one hand, the invention provides a kind of collecting plate, including it is extruded into by the nonmetallic materials with high-k
The hollow sheeting of type, the hollow sheeting, which has, is used for the through hole that air-flow is passed through, and one in the top side and bottom side of the hollow sheeting
Side is provided with conductive material, and the two ends of the hollow sheeting, which are offered, is filled with conductive oil in the groove of a side opening, the groove
Ink or conductive silver paste, the electrically conductive ink or conductive silver paste apply high low potential respectively after the drying, so that the hollow plate shape
Into high voltage electric field, for collecting charged particle.
Wherein, an at least side for the conductive material is alignd with a side of the hollow sheeting, the conductive material
Other sides are respectively relative to other respective sides retraction certain distance of the hollow sheeting, and the distance is not less than 2mm.
Wherein, the groove be shaped as rectangle, circular or triangle.
Wherein, the hollow sheeting is made up of high molecular polymer, the relative dielectric constant of the high molecular polymer for 1~
3, the high molecular polymer is for one kind in polyethylene, polyethylene and ethylene copolymers, polypropylene, polyvinyl chloride, PET and PTFE or extremely
Few two kinds mixture.
Wherein, the hollow sheeting includes the top plate and bottom plate that parallel interval is set up and down, the top plate and the bottom plate it
Between be provided between the guiding parting bead that some parallel intervals are set, the two neighboring guiding parting bead and form the through hole, it is described
Conductive material is arranged at the top plate or the bottom plate.
Wherein, the spacing between the top plate and the bottom plate is 1-3mm, and the conductive material print applies or be embedded in described
The top plate outer surface of hollow sheeting or plate outer side surface.
Wherein, the conductive material is metal film, carbon-based films or conductive carbon paste.
On the other hand, present invention also offers a kind of dust collecting electrode, including multiple collecting plates, multiple collecting plates by
Be staggeredly stacked setting successively under up to.
Wherein, surface is merged after multiple collecting plates are cut by heating wire, to form network structure, is located at
The conductive material of the outermost collecting plate is fully wrapped around by the hollow sheeting, and the cutting temperature of the heating wire is
More than 500 DEG C.
On the other hand, present invention also offers a kind of portable electrostatic precipitator, including DC batteries, high pressure generator,
Conductive carbon brush, fan, in addition to the dust collecting electrode.
Wherein, fan connects the DC batteries and powered by DC batteries；
High pressure generator connects the DC batteries and powered by DC batteries, output negative voltage and zero potential；Negative voltage and
Zero potential is connected on the two ends of dust collecting electrode respectively, and dust collecting electrode formation electric field is given to provide negative voltage, while also providing negative voltage to carbon
Fiber head transmitting anion；The conductive carbon brush of zero potential connection, conductive carbon brush is used to contact with the earth.
The collecting plate of the present invention, dust collecting electrode, using the hollow sheeting of nonmetallic materials extrusion molding, can be solved well
Certainly because metal material surface burr produces point discharge under high pressure, efficiency of dust collection is not high, and the problem of there is potential safety hazard,
Meanwhile, portable electrostatic precipitator of the invention solves the problem of anion can not continue to launch when DC batteries are powered.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of the collecting plate of the present invention；
Fig. 2 is the overlooking the structure diagram of the collecting plate of the present invention；
Fig. 3 is the side structure schematic diagram of the collecting plate of the present invention；
Fig. 4 is the decomposition texture schematic diagram of the dust collecting electrode of the present invention；
Fig. 5 is the structure formation schematic diagram of the dust collecting electrode of the present invention；
Fig. 6 is the dimensional structure diagram of the dust collecting electrode of the present invention；
Fig. 7 is the structural representation of the portable electrostatic precipitator of the present invention.
In figure：1- collecting plates；2- hollow sheetings；21- through holes；22- grooves；3- conductive materials；4- heating wire；5- carbon fibers
Beam；6- fans；7- dust collecting electrodes；8- high pressure generators；9- conduction carbon brush；10-DC batteries；11- power wheels；12- universal wheels.
Embodiment
1-7 and technical scheme is further illustrated by embodiment below in conjunction with the accompanying drawings.
The present invention provides a kind of portable electrostatic precipitator, as shown in fig. 7, comprises high pressure generator 8, fan 6, conduction
Carbon brush 9, DC batteries 10, power wheel 11, universal wheel 12 and dust collecting electrode 7, high pressure generator 8 by many Carbon fibe beams 5 bear from
Sub- emitting head and one group of negative voltage for connecing dust collecting electrode 7 and zero potential line composition, negative electricity bit line and zero potential line connect dust collecting electrode
Two ends；Zero potential line connects conductive carbon brush 9 simultaneously；Negative electricity bit line connects carbon fiber head simultaneously.The emitting voltage of high pressure generator 8 for-
6000~-15000V.During work, negative high voltage is connected to the release tip of carbon fiber head, and high corona is produced using sophisticated negative high voltage,
High speed pays substantial amounts of electronics, and electrons are caught by the oxygen molecule in air at once, so as to generate negative aeroion；Air is born
Ion is taken in space by the wind through fan, charged to the dust in space, and Charged passes through the dust collecting electrode with high voltage electric field
When shifted under electric field action, finally adsorb in dust collecting electrode；Being launched always due to anion can cause to accumulate at zero potential
Poly- positive charge, it is necessary to which export has ensured that anion is constantly sent in time, the conductive carbon brush of connecting to neutral current potential is contacted with the earth at any time,
Pliability is good and contact area is big, it is ensured that equipment is sufficiently contacted in moving process with the good of the earth, can be in time by just
Electric charge imports the earth.
As shown in Figures 4 to 6, dust collecting electrode includes multiple collecting plates 1, and multiple collecting plates 1 are from top to bottom successively
Be staggeredly stacked setting, and surface is merged after multiple collecting plates 1 are cut by heating wire 4, to form network structure.Its
In, the cutting temperature of the heating wire 4 is more than 500 DEG C.
As shown in Figures 1 to 3, a kind of collecting plate 1, including formed by the nonmetallic materials extrusion molding with high-k
Hollow sheeting 2, the hollow sheeting 2 has the side being used in the through hole 21 that passes through of air-flow, the top side and bottom side of the hollow sheeting 2
Conductive material 3 is provided with, the two ends of the hollow sheeting 2 offer the groove 22 of a side opening, wherein, the shape of the groove 22
For rectangle, circular or triangle.Electrically conductive ink or conductive silver paste, the electrically conductive ink or conductive silver are filled with the groove 22
Slurry applies high low potential respectively after the drying, so that the formation high voltage electric field of the hollow sheeting 2, for collecting charged particle.
Using the hollow sheeting of nonmetallic materials extrusion molding, it can solve well due to metal material surface burr
The problem of producing point discharge under high pressure, efficiency of dust collection is not high, and there is potential safety hazard.
In the present embodiment, an at least side for the conductive material 3 is alignd with a side of the hollow sheeting 2, described
Other sides of conductive material 3 are respectively relative to other respective sides retraction certain distance of the hollow sheeting 2, and the distance is not small
In 2mm, 2mm, 3mm, 4mm, 5mm etc. are chosen as.Using distance is retracted, the periphery of hollow sheeting can be avoided well, is easy to cut
Melt to realize the combination of two neighboring hollow sheeting after cutting.
The hollow sheeting 2 is made up of high molecular polymer, and the relative dielectric constant of the high molecular polymer is 1~3, such as
1,2,3 are chosen as, the high molecular polymer is polyethylene, polyethylene and ethylene copolymers, polypropylene, polyvinyl chloride, PET
(Polyethylene terephthalate abbreviation, abbreviation PET, poly terephthalic acid class plastics) and PTFE
One kind or at least two mixing in (Polytetrafluoroethylene abbreviation, abbreviation PTFE, polytetrafluoroethylene (PTFE))
Thing.Because hollow sheeting is made up of the high molecular polymer with high-k, surface is smooth, therefore, will not under high pressure conditions
Produce point discharge caused by metal material surface burr.
The hollow sheeting 2 includes the top plate and bottom plate that parallel interval is set up and down, is set between the top plate and the bottom plate
It is equipped between the guiding parting bead that some parallel intervals are set, the two neighboring guiding parting bead and forms the through hole 21, it is described to lead
Electric material 3 is arranged at the top plate or the bottom plate.Wherein, the spacing between the top plate and the bottom plate is 1-3mm, should be away from
From being chosen as 1mm, 2mm, 3mm etc..
So that hollow sheeting spacing is 2mm as an example, 6kv voltages, dust collecting electrode length 25mm, the water of dust are applied at hollow sheeting two ends
When flat speed is 1m/s, the efficiency of dust collection of dust collecting electrode is 99.84%.Compared to the metal dust collecting electrode of same size, the electricity of reduction
The effective area that die opening and network structure allow dust collecting electrode to accommodate dust adds at least more than 2.5 times.In addition, in phase
On the premise of efficiency of dust collection, the voltage between electrode also reduces at least 50%.
In the present embodiment, the print of conductive material 3 applies or is embedded in the top plate outer surface or bottom plate of the hollow sheeting 2
Outer surface.The conductive material 3 is metal film, carbon-based films or conductive carbon paste.Preferably conductive carbon paste, prints and is applied to outside table
Face, 1000~1000000 ohm of every square metre of 14um thickness.And positioned at the hollow sheeting 2 of the outermost collecting plate 1
The conductive material 3 that upper print is applied or embedded is fully wrapped around by macromolecule polymer material, it is to avoid leakage, improves security performance.
Based on said structure, the hollow sheeting 2 that both sides open up groove 22 is made using nonmetallic materials, the one of hollow sheeting 2
Individual surface print is applied or the formation electrode of embedded conductive material 3, so can substantially reduce interelectrode distance, can control
Within 2mm.Due to interelectrode apart from very little, so as to so as to ensure more than 99% in the case of the reduction of electrode both sides voltage
Efficiency of dust collection.
Multilayer hollow plate interlocks stacked on top, makes hollow edges of boards fusion one using more than 500 DEG C of heating wire thermal cutting
Rise and the hole of hollow sheeting will not be blocked, be fixed together the netted dust collecting electrode of composition, is filled out in the groove on the dust collecting electrode both sides of formation
Conductive carbon paste or conductive silver paste are filled, high voltage electric field can be formed in each hollow sheeting by applying high low potential respectively after the drying,
Under high voltage electric field effect, powered dust is moved along electric field line direction under the electric field, is finally adsorbed in dust collecting electrode.In addition, leading
Electric material is fully wrapped around by the macromolecule polymer material of high dielectric strength, can reserve enough electric clearances, it is ensured that this collection
Security under the working condition of dirt pole.
The collecting plate of the present invention, dust collecting electrode, charged particle in air-flow is removed using high voltage electric field, by the above-mentioned means, solution
The problem of multilayer hollow sheetpile poststack of having determined is fixed, and multilayer hollow plate apply the problem of voltage is difficult, and people can directly connect
Dust collecting electrode surface is touched, non-contact electric is dangerous, and security performance is high.
The moveable electrostatic precipitator of the present invention, imports the earth, constantly using conductive carbon brush by the cation of generation
Produce anion it is charged to dust, dust collecting electrode is adsorbed, solve portable electrostatic precipitator can not continue transmitting bear from
Son gives the problem of dust is charged.
In a word, collecting plate of the invention, dust collecting electrode and portable electrostatic precipitator have the following advantages that：
1st, dust collecting electrode of the invention is higher than the dust collecting electrode efficiency of dust collection that metal material is made.
2nd, the hollow sheeting of stacking is carried out thermal cutting make hollow sheeting merge and will not blockade gas flow paths, solve multilayer modeling
The fixation problem of flitch, makes conductive material be wrapped in completely in the material of high dielectric strength, the simple and convenient and collection that cuts out
Dirt pole strength is high, and outside will not directly contact conductive material, and security performance is high.
3rd, hollow sheeting both sides fluting, formed dust collecting electrode after conductive material is directly filled in groove, solve every layer it is hollow
The energization problem of the conductive material of plate surface.
4th, because interelectrode distance diminishes and the application of network structure under same volume so that powder can be accommodated under same volume
The effective area increase of dirt.
5th, in the case where ensureing that efficiency of dust collection is constant, voltage strength needed for electrode is than dust collecting electrode that metal material is made
It is low.
6th, the cation of generation is imported into the earth using conductive carbon brush, constantly generation anion is charged to dust, dust collecting electrode
Adsorbed, solve portable electrostatic precipitator can not continue transmitting anion to dust it is charged the problem of.
The technical principle of the present invention is described above in association with specific embodiment.These descriptions are intended merely to explain the present invention's
Principle, and limiting the scope of the invention can not be construed in any way.Based on explanation herein, the technology of this area
Personnel, which would not require any inventive effort, can associate other embodiments of the present invention, and these modes are fallen within
Within protection scope of the present invention.
Claims (10)
1. a kind of collecting plate (1), it is characterised in that including by the nonmetallic materials extrusion molding with high-k
Hollow sheeting (2), the hollow sheeting (2), which has, is used for the through hole (21) that air-flow is passed through, in the top side and bottom side of the hollow sheeting (2)
Side be provided with conductive material (3), the two ends of the hollow sheeting (2) offer the groove (22) of a side opening, the groove
(22) electrically conductive ink or conductive silver paste are filled with, the electrically conductive ink or conductive silver paste apply height electricity respectively after the drying
Position, so that the hollow sheeting (2) formation high voltage electric field, for collecting charged particle.
2. collecting plate (1) according to claim 1, it is characterised in that an at least side for the conductive material (3) and institute
The side alignment of hollow sheeting (2) is stated, other sides of the conductive material (3) are respectively relative to its of the hollow sheeting (2)
His respective side is retracted certain distance, and the distance is not less than 2mm.
3. collecting plate (1) according to claim 1, it is characterised in that the groove (22) be shaped as rectangle, it is circular or
Triangle.
4. collecting plate (1) according to claim 1, it is characterised in that the hollow sheeting (2) is by high molecular polymer system
Into the relative dielectric constant of the high molecular polymer is 1~3, and the high molecular polymer is polyethylene, polyethylene copolymer
One kind or at least two mixture in thing, polypropylene, polyvinyl chloride, PET and PTFE.
5. collecting plate (1) according to claim 1, it is characterised in that the hollow sheeting (2) includes parallel interval up and down and set
The top plate and bottom plate put, are provided with the guiding parting bead that some parallel intervals are set, adjacent two between the top plate and the bottom plate
The through hole (21) is formed between the individual guiding parting bead, the conductive material (3) is arranged at the top plate or the bottom plate.
6. collecting plate (1) according to claim 5, it is characterised in that the spacing between the top plate and the bottom plate is
1-3mm, conductive material (3) print applies or is embedded in top plate outer surface or the plate outer side surface of the hollow sheeting (2).
7. the collecting plate (1) according to claim any one of 1-6, it is characterised in that the conductive material (3) is metal
Film, carbon-based films or conductive carbon paste.
8. a kind of dust collecting electrode (7), it is characterised in that multiple including multiple collecting plates (1) as described in claim any one of 1-7
The collecting plate (1) is from top to bottom staggeredly stacked setting successively.
9. dust collecting electrode (7) according to claim 8, it is characterised in that multiple collecting plates (1) pass through heating wire (4)
Surface is merged after cutting, to form network structure, positioned at the conductive material of the outermost collecting plate (1)
(3) fully wrapped around by the hollow sheeting (2), the cutting temperature of the heating wire (4) is more than 500 DEG C.
10. a kind of portable electrostatic precipitator, including DC batteries (10), high pressure generator (8), conductive carbon brush (9), fan
(6), it is characterised in that also including dust collecting electrode described in claim 8 or 9 (7).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2016107308826 | 2016-08-26 | ||
| CN201610730882.6A CN106179755A (en) | 2016-08-26 | 2016-08-26 | Dust collecting electrode for electrostatic precipitation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107042159A true CN107042159A (en) | 2017-08-15 |
Family
ID=57525685
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610730882.6A Pending CN106179755A (en) | 2016-08-26 | 2016-08-26 | Dust collecting electrode for electrostatic precipitation |
| CN201720660076.6U Expired - Fee Related CN207056793U (en) | 2016-08-26 | 2017-06-08 | A kind of collecting plate, dust collecting electrode and portable electrostatic precipitator |
| CN201710431184.0A Pending CN107042159A (en) | 2016-08-26 | 2017-06-08 | A kind of collecting plate, dust collecting electrode and portable electrostatic precipitator |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610730882.6A Pending CN106179755A (en) | 2016-08-26 | 2016-08-26 | Dust collecting electrode for electrostatic precipitation |
| CN201720660076.6U Expired - Fee Related CN207056793U (en) | 2016-08-26 | 2017-06-08 | A kind of collecting plate, dust collecting electrode and portable electrostatic precipitator |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN106179755A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109591429A (en) * | 2019-01-08 | 2019-04-09 | 德阳烯碳科技有限公司 | A kind of industrialized preparing process of electrostatic precipitation piece |
| CN109731688A (en) * | 2018-12-26 | 2019-05-10 | 厚联环境科技（上海）有限公司 | One koji power multipole is superimposed dust material and dust collect plant |
| CN115519804A (en) * | 2022-10-14 | 2022-12-27 | 爱优特空气技术（上海）有限公司 | Preparation method of unbroken micro-electrostatic filter |
| CN115581791A (en) * | 2022-10-14 | 2023-01-10 | 爱优特空气技术（上海）有限公司 | Anti-high-humidity micro-static purification device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106861914A (en) * | 2017-02-14 | 2017-06-20 | 东莞市金鹤环保科技有限公司 | Self-cleaning dynamic air purifier and its installation method |
| CN108514782A (en) * | 2018-05-29 | 2018-09-11 | 苏州英菲蒙拓环境科技有限责任公司 | A kind of high-performance HVEPC filter cores |
| CN110102521A (en) * | 2019-05-09 | 2019-08-09 | 山东光韵智能科技有限公司 | One kind destaticing oil suction water suction dust suction electromagnetism horsetail whisk and its manufacturing method |
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- 2017-06-08 CN CN201710431184.0A patent/CN107042159A/en active Pending
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| JPH06238193A (en) * | 1993-02-18 | 1994-08-30 | Zexel Corp | Air cleaner |
| JPH07185391A (en) * | 1993-12-27 | 1995-07-25 | Hitachi Ltd | Air conditioner with dust collecting function |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109731688A (en) * | 2018-12-26 | 2019-05-10 | 厚联环境科技（上海）有限公司 | One koji power multipole is superimposed dust material and dust collect plant |
| CN109591429A (en) * | 2019-01-08 | 2019-04-09 | 德阳烯碳科技有限公司 | A kind of industrialized preparing process of electrostatic precipitation piece |
| CN115519804A (en) * | 2022-10-14 | 2022-12-27 | 爱优特空气技术（上海）有限公司 | Preparation method of unbroken micro-electrostatic filter |
| CN115581791A (en) * | 2022-10-14 | 2023-01-10 | 爱优特空气技术（上海）有限公司 | Anti-high-humidity micro-static purification device |
| CN115519804B (en) * | 2022-10-14 | 2024-02-09 | 爱优特空气技术（上海）有限公司 | Preparation method of unbroken micro-electrostatic filter |
| WO2024077783A1 (en) * | 2022-10-14 | 2024-04-18 | 爱优特空气技术（上海）有限公司 | High-humidity-resistant micro-electrostatic purification device |
| WO2024077784A1 (en) * | 2022-10-14 | 2024-04-18 | 爱优特空气技术（上海）有限公司 | Method for manufacturing unbreakable micro-electrostatic filter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN207056793U (en) | 2018-03-02 |
| CN106179755A (en) | 2016-12-07 |
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