CN108286757A - The fresh air filter device that a kind of anion generator and electrostatic electret are combined - Google Patents
The fresh air filter device that a kind of anion generator and electrostatic electret are combined Download PDFInfo
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- CN108286757A CN108286757A CN201810298694.XA CN201810298694A CN108286757A CN 108286757 A CN108286757 A CN 108286757A CN 201810298694 A CN201810298694 A CN 201810298694A CN 108286757 A CN108286757 A CN 108286757A
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- Prior art keywords
- electrostatic electret
- filter
- anion generator
- type electrostatic
- air
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/16—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by purification, e.g. by filtering; by sterilisation; by ozonisation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
- F24F8/192—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by electrical means, e.g. by applying electrostatic fields or high voltages
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/30—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by ionisation
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filtering Materials (AREA)
- Electrostatic Separation (AREA)
Abstract
The invention discloses the fresh air filter devices that a kind of anion generator and electrostatic electret are combined, including anion generator, charged cohesion air hose, air filtration babinet, plate type electrostatic electret filter, pocket type electrostatic electret filter, controller, particle concentration sensor；The anion generator is located in charged cohesion air hose, and charged cohesion air hose is connected with air filtration babinet；Plate type electrostatic electret filter and pocket type electrostatic electret filter are located in air filtering box body；Controller is connected with anion generator and particle concentration sensor respectively.In the present invention, particulate matter carries out charged and cohesion in charged cohesion air hose, then by the dual electro static filtering of plate type electrostatic electret filter and pocket type electrostatic electret filter, effectively promotes particle filtration efficiency, while filtration resistance is greatly reduced.
Description
Technical field
The invention belongs to aeration technology fields, and it is new to be related to the efficient low-resistance that anion generator and electrostatic electret are combined
Wind filter device.
Background technology
Outdoor particulate pollutant concentration is increasingly severe under domestic haze weather.At present the air purifier of China's mainstream,
Traditional air filtration and purification apparatus such as air filter can remove effectively the larger particulate matter of grain size in air, but
The smaller particulate matter of grain size can't be intercepted effectively.With the severe overweight and very of contaminant concentration of outside air
Multi-user requires air filter Wind Volume, the operation of high filtering velocity, and traditional air filter is in face of high concentration, high filtering velocity
Particulate pollutant far can not meet the requirement used, occur exhibits initial filtration efficiency it is relatively low, hold dirt stage filter efficiency it is notable under
The problems such as drop.According to electric precipitation or plasma discharge dedusting technology, then a large amount of ozone is will produce in dust removal process.
Invention content
The purpose of the present invention is to provide the efficient low-resistance fresh airs that a kind of anion generator and electrostatic electret are combined
Filter device, to solve under high concentration, high filtering velocity, fresh air filter device filter efficiency is not high, filtration resistance is larger, electrostatic precipitation
The problems such as lower ozone concentration is exceeded overcomes the defect of above-mentioned traditional fresh air filter device.
In order to achieve the above objectives, the technical solution adopted by the present invention is as follows：
The efficient low-resistance fresh air filter device that a kind of anion generator and electrostatic electret are combined, including one bear from
Electronic generator, charged cohesion air hose, air filtration babinet, a grammes per square metre are less than 150g/m2Plate type electrostatic electret filter,
One grammes per square metre is higher than 250g/m2Pocket type electrostatic electret filter, anion generator is controlled controller, monitoring
The particle concentration sensor of entire filter device exit concentration.
Further, the sectional area of the charged cohesion air hose should be less than the sectional area of babinet windward side.
Further, anion generator is less than using metal or carbon tip negative electrode tip discharge technology, discharge voltage
10kV。
Further, the front face area of filter device described in different designs air quantity is different.
Further, different regions outdoor haze weather and PM2.5 concentration levels are different, the plate type electrostatic electret
Filter effective area, the grammes per square metre of filtering material are different.
Further, different cleaniliness level is required and is designed under face velocity, the pocket type electrostatic electret filter
Effective filtration area, the grammes per square metre of filtering material are different.
Further, entire filter device under varying environment concentration, by be placed in outlet particle concentration sensor and
The effect of the controller of anion generator is controlled, service life is different.
Further, it exports under variable grain object concentration, the operating condition of anion generator is different.
Specifically, the air filter that a kind of anion generator and electrostatic electret are combined, including anion hair
Raw device, charged cohesion air hose, air filtration babinet, plate type electrostatic electret filter, pocket type electrostatic electret filter, control
Device, particle concentration sensor；The anion generator is set in charged cohesion air hose, charged cohesion air hose and air mistake
Filter box body is connected；Plate type electrostatic electret filter and pocket type electrostatic electret filter are set in air filtration babinet；It waits for
Air filtering is crossed after the entrance of charged cohesion air hose, it is quiet to pass sequentially through anion generator, plate type electrostatic electret filter, pocket type
Electroelectret filter, controller are connected with anion generator, particle concentration sensor to control its running and receive
Correlation detection signal.
Further, it is limited to ensure to be no more than by the maximum air flow speed on plate type electrostatic electret filter surface
Value, the length of air filtration babinet front end to plate type electrostatic electret filter are no less than babinet windward side width and charged cohesion
The difference of air hose caliber, it is ensured that Diffusion of gas stream is uniform；Preferably, the sectional area of the charged cohesion air hose is less than babinet windward side
Sectional area.
Preferably, the discharge voltage of anion generator is less than 10kV, is put using the tip of metal or carbon tip negative electrode
Power technology directly discharges electronics, only generates anion at least partially through the air around tip, avoid producing in discharge process
Raw a large amount of ozone, significant technological disparity is formed with plasma discharge technology.
Preferably, the plate type electrostatic electret filter uses electrostatic electret filter material, filtering material grammes per square metre
Specification need to be in 70g/m2-150g/m2Between, waveform, wave spacing 3-7cm, wave height is made in plate type electrostatic electret filter
3-5cm is spent, to control filtering velocity in 1m/s or less.
Preferably, the pocket type electrostatic electret filter uses electrostatic electret filter material, filtering material grammes per square metre
Specification need to be in 250g/m2-400g/m2Between, the long control of bag is in 30-50cm, and filtering velocity control is in 0.4m/s hereinafter, efficient to realize
The technology requirement of low-resistance.Filter bag is several to be required directly to be calculated according to filtering velocity.
Preferably, controller described in this patent receives the exit concentration data of particle concentration sensor, works as exit concentration
Higher than 35ug/m3When, controller connects the power supply of anion generator, forms the booster action to electrostatic electret filter；
When exit concentration is less than 15ug/m3When, the power supply of anion generator is disconnected by controller, extends anion by dynamic control
The service life of generator.By the compensatory auxiliary after the intermittent auxiliary of anion and the decaying of electrostatic electret, extend entire
The service life of filter device forms the technical characteristic of the long-time high efficiency filter of this filter device.
By adopting the above scheme, the beneficial effects of the invention are as follows：
The efficient low-resistance fresh air filter device that a kind of anion generator and electrostatic electret are combined shown in the present invention,
By anion generator to charged cohesion of the particulate matter under low pressure discharge and plate type electrostatic electret filter and
The combined filtration and anion generator of pocket type electrostatic electret filter and the coupling Electrostatic Absorption of plate type electrostatic electret
Effect effectively improves the filter efficiency of new wind filter, and reduces filtration resistance, brings prodigious energy-saving effect.Concrete analysis
It is as follows：
(1) the efficient charge of anion generator.Charge device of the present invention uses high-field electrode discharge mode, in fresh air
Particulate matter it is charged after the electric field that high-field electrode is formed.In order to ensure that the high efficiency of anion generator, charged electrode exist
Be evenly arranged in babinet, and fresh air inlet pipeline section ensure fresh air flow velocity in air hose it is uniform so that particulate matter more effectively by
It is charged.The electric field length of the generation rate of ozone caused by order to reduce the present apparatus, high-field electrode is no more than 6kV/cm.Particulate matter
Charged validity is mainly related with the residence time of the electric field strength of discharge electrode and fresh air particulate matter in the electric field.Due to this
The discharge electrode electric field strength of device is relatively low relative to traditional electrostatic precipitation or plasma cleaning electrode discharge electric field strength,
Additionally by being evenly arranged for discharge electrode, then effective discharge space range of discharge electrode increases, therefore particulate matter in fresh air
Residence time in discharge electrode electric field is elongated, and particulate matter can be more effectively charged.
(2) cohesion of electrically charged particle.After fresh air is by anion generator, it is effective that partial particulate object is discharged electrode
Ground is charged.In the process of running, micro- electrostatic interaction is will produce between charged particle thing and not charged particulate matter, cohesion becomes big grain
Diameter particulate matter, large-size particles object are easier to be captured by filtering material in filtering, and filter efficiency is improved.Do not coagulate
The charged particle thing of poly- effect is also easier to be adsorbed by filtering material under the electrostatic interaction of electret electrostatic filtrate.For high dirty
The fresh air under object concentration is contaminated, the PM2.5 of high concentration, small particle can be effectively relieved to filtering by the cohesion of charged particle thing
It is easily penetrated caused by material, the problem that the effective filtration time of filter core is short.The distance between discharge electrode and electret filter claim
For the cohesion distance of particulate matter, minimum cohesion distance is multiplied by distance obtained by face velocity the time required to being at least particulate matter cohesion
1.1 times, to ensure that electrostatic coagulation occurs for most of charged particulate matter.Under certain density PM2.5 environment, particle in fresh air
The pool time of object is substantially the same, the head-on wind for agglomerating fresh wind tube of the distance mainly and where anion generator of particulate matter
Speed is related, and face velocity is faster, and when particulate matter agglomerates, required distance is longer, the distance between anion generator and babinet
It is longer.Meanwhile electret filter can increase cohesion distance using longer filter bag length, the cohesion for being conducive to particulate matter is made
With.
(3) efficient low-resistance of electret filter.Electret filter material increases electret technique in a manufacturing process,
So that the dielectric inside filtering material polarizes, the charging performance decaying of filtering material is slower.When the particulate matter in fresh air
When across electret filter material, the particulate matter of grain size very little can be influenced by electret filtrate electric field, at this time particulate matter
Electrostatic force between electret can change the movement locus of particulate matter, so that small size particle is easier quilt
Electret filter material captures.For the smaller particulate matter of grain size, particulate matter makes small with the electrostatic force that electret generates
The filter efficiency of particles things improves, especially PM2.5, therefore the filter efficiency of electret is apparently higher than common mistake
Filter material material.The electrostatic existence time of electret filter material is very long, the device filter appearance dirt stage electrostatic force decaying compared with
Slowly, filter efficiency is high-efficiency continuous.
Electret filter material in holding the dirt stage the captured particulate matter stacking states in filtering material surface with it is common
Filtering material is different.Since electret is after capturing particulate matter, the polarized electric field around particulate matter make particulate matter it
Between generate repulsive interaction or particulate matter and generate repulsive interaction after charged by anion generator so that particulate matter in
Stacking states on electret material are puffy, and there are certain gaps between particulate matter so that when fresh air passes through filtering material
Resistance is relatively low.And particulate matter accumulation is intensive on common filtering material, the gap between particulate matter is smaller, is holding dirt stage fresh air
Resistance across filtering material is larger.
(4) current balance function of plate type electrostatic electret filter.Plate type electrostatic electret filter is placed in the front end of babinet,
There are primarily efficient filter and fresh air to flow two big effects.Fresh air enters babinet from fresh air blast pipe, and flow velocity reduces, but on windward side
Fresh air wind speed profile is uneven, and wind speed is larger at the center of babinet windward side, is unfavorable for the filtering of fresh air particulate matter, reduces filtering effect
Rate.Plate type electrostatic electret filter is fine and closely woven electret filter material, and has certain resistance, has well stream effect
Fruit can make wind speed profile of the fresh air in filter box be more uniformly distributed, and flow velocity uniformly captures electret filter material
Particulate matter in fresh air has larger facilitation.Particulate matter in most of fresh air is after plate type electrostatic electret filter
It is all blocked, the particulate matter of small particle is uniformly distributed after penetrating, and is conducive to the secondary mistake of pocket type electrostatic electret filter
Filter.
(5) secondary filter of pocket type electrostatic electret filter.Pocket type electrostatic electret filter is sent out applied to anion
PM2.5 still cannot meet PM2.5 concentration design requirement in fresh air after raw device and plate type electrostatic electret filter coupling
Place, such as in high concentration, the operating mode of high filtering velocity, place more demanding to filtration grade etc..It is relatively low for PM2.5 concentration
Area, fresh air can meet the requirement used after anion generator and plate type electrostatic electret filter coupling, then
Pocket type electrostatic electret filter can not use.
(6) system matches of different places difference pollutant concentration.Different regions haze situation seriousness is different, in fresh air
Particle concentration is different.It is wanted to ensure that particle concentration of the fresh air after this fresh air filter device in fresh air meets design
It asks, for the particulate pollutant of various concentration, need to there is the fresh air filter device of different filter efficiencies.The more serious ground of haze sky
Area, particle concentration is high in fresh air, then the filter efficiency of the fresh air filter device needed is high.The fresh air mistake of this fresh air filter device
Filter efficiency is related with Multiple factors, and principal element has：Flow velocity of the electrode voltage, fresh air of anion generator in babinet is stayed
The property etc. of electret filter material.Electrode voltage and fresh air flow velocity are in design it has been determined that therefore fresh air filter device filters
Efficiency and the matching of different regions pollutant concentration are mainly related with the performance of electret filter material.Electret filter material
Performance is mainly related with electret fibre structure, material grammes per square metre, material dielectric constant etc..For same material, no
It is different with the filtration of material efficiency of grammes per square metre.The grammes per square metre of filtering material is generally in 150~600g/m2, grammes per square metre is bigger, and filter efficiency is got over
It is high.For the serious area of haze phenomenon, the larger electret filter material of grammes per square metre can be selected.Different pollutant concentrations are wanted
The place asked, such as industrial building, office building, residential housing, to the higher occasion of the purity requirements of fresh air, optional gram
The larger electret filter material of weight.
Description of the drawings
Fig. 1 is a kind of anion generator of the embodiment of the present invention and the efficient low-resistance fresh air mistake that electrostatic electret is combined
Filter the overall schematic of device.
Fig. 2 is the structural schematic diagram of anion generator in the embodiment of the present invention.
Reference numeral：Anion generator 1, charged cohesion air hose 2, air filter babinet 3, plate type electrostatic electret mistake
Filter 4, pocket type electrostatic electret filter 5, controller 6, particle concentration sensor 7, cathode plate 8, high voltage power supply 9, anode
10, anode electrode 11, insulation board 12.
Specific implementation mode
The present invention is described in further detail for illustrated embodiment below in conjunction with the accompanying drawings.
As shown in Figure 1, the efficient low-resistance fresh air filter device that a kind of anion generator and electrostatic electret are combined
Overall schematic comprising anion generator 1, charged cohesion air hose 2, air filter babinet 3, plate type electrostatic electret mistake
Filter 4, pocket type electrostatic electret filter 5, controller 6, particle concentration sensor 7；The anion generator 1 is set to
In charged cohesion air hose 2, charged cohesion air hose 2 is connected with air filter babinet 3；Plate type electrostatic electret filter 4 and bag
Formula electrostatic electret filter 5 is set in air filter babinet 3, and particle concentration sensor 7 is set to pocket type electrostatic and stays
The outlet air region of electret filter 5；Air to be filtered passes sequentially through anion generator 1, plate after the entrance of charged cohesion air hose 2
Formula electrostatic electret filter 4, pocket type electrostatic electret filter 5, particle concentration sensor 7 is to passing through pocket type electrostatic electret
The air of body filter 5 is detected, and controller 6 is connected with anion generator 1, particle concentration sensor 7 to control
It operates and receives correlation detection signal.
As shown in Fig. 2, a kind of structural schematic diagram of anion generator comprising cathode plate 8, high voltage power supply 9, anode
10, anode electrode 11, insulation board 12；The cathode plate 9 and anode 10 are connected with high voltage power supply 9；The anode electrode 11 is uniform
It is arranged on anode 10；The cathode plate 9 and anode 10 are isolated by insulation board 12, and the branch of anode 10 is placed on insulation board 12
On.The anode electrode 11 is evenly arranged, to ensure that the electric field strength in charging particle region in babinet is uniformly distributed, therefore point
The uniform particulate matter of cloth can be effectively charged.
Anion generator 1 is arranged in charged cohesion air hose 2, according to the charging characteristic of anion generator, anion
Release time and particulate matter it is extremely short by the effectively charged time, to anion generator 1 and plate type electrostatic electret filter
The distance between device 4 is mainly limited by the length of air filter babinet 3 front end to plate type electrostatic electret filter 4.For
Ensure to be no more than limit value, air filter babinet 3 by the maximum air flow speed on plate type electrostatic electret filter 4 surface
The length of front end to plate type electrostatic electret filter 4 is no less than the difference of babinet windward side width and charged cohesion air hose caliber,
Ensure that Diffusion of gas stream is uniform.
Plate type electrostatic electret filter 4 uses electrostatic electret filter material, and filtering material gram weight specification need to be in 70g/
m2-150g/m2Between, waveform, wave spacing 3-7cm, wave height 3-5cm, filter is made in plate type electrostatic electret filter 4
Speed control is in 1m/s hereinafter, to realize the technology requirement of efficient low-resistance.Plate type electrostatic electret filter 4 is mainly used for removing new
Most particulate matter in wind plays the role of the pocket type electrostatic electret filter for protecting downstream.
Pocket type electrostatic electret filter 5 uses electrostatic electret filter material, and filtering material gram weight specification need to be in 250g/
m2-400g/m2Between, the long control of bag is in 30-50cm, and filtering velocity control is in 0.4m/s hereinafter, to realize that the technology of efficient low-resistance is wanted
It asks.Filter bag is several to be required directly to be calculated according to filtering velocity.Fresh air can have after the charged cohesion of anion generator 1
Effect ground reduces the concentration of small size particle in fresh air, therefore reduces the burden of two electret filters.In addition, grain size compared with
Small particulate matter is increased by the probability by electret filter capture after charged, and the filter efficiency of filter increases.
Controller 6 receives the exit concentration data of particle concentration sensor 7, when exit concentration is higher than 35ug/m3When, control
Device 6 processed connects the power supply of anion generator 1, forms the booster action to electrostatic electret filter；When exit concentration is less than
15ug/m3When, the power supply of anion generator 1 is disconnected by controller, extends the use of anion generator 1 by dynamic control
Service life.By the compensatory auxiliary after the intermittent auxiliary of anion and the decaying of electrostatic electret, extend the longevity of entire filter device
Life, forms the technical characteristic of the long-time high efficiency filter of this filter device.
The present invention utilizes the low pressure point discharge technology and electrostatic electret double medium filtration technology of anion generator,
So that the filter efficiency of air filter significantly improves, while also solving conventional air filter pair under high concentration, high filtering velocity
In the ozone problem that the technologies such as small size particle pollutant filter efficiency low problem and electric precipitation generate.In addition, anion is sent out
Raw device is held essentially constant the charged cohesion of particulate pollutant in the appearance dirt stage, effectively alleviates conventional air mistake
Filter is holding the problem of dirt stage filter efficiency is remarkably decreased, and compensates for electret filter material surface electrostatic power decaying behind efficiency
The case where decline.
The present invention carries out charged and coagulation in charged cohesion air hose by anion generator to the particulate matter in air
It is poly-, then pass through the dual mistake of plate type electrostatic electret filter in air filter babinet and pocket type electrostatic electret filter
Filter, has the function of Coulomb force and electrophoretic force, to realize air filter between particulate matter and electrostatic electret filter material
Efficient low-resistance strainability.
This hair can be understood and applied the above description of the embodiments is intended to facilitate those skilled in the art
It is bright.Person skilled in the art obviously easily can make various modifications to these embodiments, and described herein
General Principle is applied in other embodiment without having to go through creative labor.Therefore, the present invention is not limited to implementations here
Example, those skilled in the art's announcement according to the present invention, improvement and modification made without departing from the scope of the present invention all should be
Within protection scope of the present invention.
Claims (9)
1. the fresh air filter device that a kind of anion generator and electrostatic electret are combined, it is characterised in that：Including anion
Generator (1), charged cohesion air hose (2), air filtration babinet (3), plate type electrostatic electret filter (4), pocket type electrostatic are stayed
Electret filter (5), controller (6), particle concentration sensor (7)；The anion generator (1) is set to charged cohesion
In air hose (2), charged cohesion air hose (2) is connected with air filtration babinet (3)；Plate type electrostatic electret filter (4) and pocket type
Electrostatic electret filter (5) is set in air filtration babinet (3), and particle concentration sensor (7) is set to pocket type electrostatic
The outlet air region of electret filter (5)；Air to be filtered passes sequentially through anion hair after charged cohesion air hose (2) enters
Raw device (1), plate type electrostatic electret filter (4), pocket type electrostatic electret filter (5), particle concentration sensor (7) are right
Air by pocket type electrostatic electret filter (5) is detected, and controller (6) and anion generator (1), particulate matter are dense
Degree sensor (7) is connected to control its running and receive correlation detection signal.
2. the fresh air filter device that anion generator according to claim 1 and electrostatic electret are combined, feature
It is：The discharge voltage of anion generator (1) is less than 10kV, using the point discharge technology of metal or carbon tip negative electrode,
Directly discharge electronics.
3. the fresh air filter device that anion generator according to claim 1 and electrostatic electret are combined, feature
It is：Plate type electrostatic electret filter (4) uses electrostatic electret filter material, filtering velocity to control in 1m/s or less.
4. the fresh air filter device that anion generator according to claim 1 and electrostatic electret are combined, feature
It is：In order to ensure that the maximum air flow speed by plate type electrostatic electret filter (4) surface is no more than limit value, air mistake
The length of filter box body (3) front end to plate type electrostatic electret filter (4) is no less than babinet windward side width and charged cohesion wind
The difference of pipe caliber, it is ensured that Diffusion of gas stream is uniform.
5. the fresh air filter device that anion generator according to claim 3 and electrostatic electret are combined, feature
It is：The gram weight specification of the electrostatic electret filter material is in 70g/m2-150g/m2Between.
6. the fresh air filter device that anion generator according to claim 3 and electrostatic electret are combined, feature
It is：Waveform, wave spacing 3-7cm, wave height 3-5cm is made in plate type electrostatic electret filter (4).
7. the fresh air filter device that anion generator according to claim 1 and electrostatic electret are combined, feature
It is：Pocket type electrostatic electret filter (5) uses electrostatic electret filter material, filtering velocity to control in 0.4m/s or less.
8. the fresh air filter device that anion generator according to claim 7 and electrostatic electret are combined, feature
It is：The electrostatic electret filter material gram weight specification is in 250g/m2-400g/m2Between, pocket type electrostatic electret filter
(5) the long control of bag is in 30-50cm.
9. the fresh air filter device that anion generator according to claim 1 and electrostatic electret are combined, feature
It is：Controller (6) receives the exit concentration data of particle concentration sensor (7), when exit concentration is higher than 35ug/m3When,
Controller (6) connects the power supply of anion generator (1), forms the booster action to plate type electrostatic electret filter (4)；When
Exit concentration is less than 15ug/m3When, the power supply of anion generator (1) is disconnected by controller (6), is extended by dynamic control negative
The service life of ion generator (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810298694.XA CN108286757A (en) | 2018-04-03 | 2018-04-03 | The fresh air filter device that a kind of anion generator and electrostatic electret are combined |
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|---|---|---|---|
| CN201810298694.XA CN108286757A (en) | 2018-04-03 | 2018-04-03 | The fresh air filter device that a kind of anion generator and electrostatic electret are combined |
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| CN109028302A (en) * | 2018-07-20 | 2018-12-18 | 武汉理工大学 | A kind of ultrasonic air air purifying apparatus |
| CN110124404A (en) * | 2019-06-18 | 2019-08-16 | 山西安泰控股集团科技有限公司 | Exempt from deashing anion pocket type smoke and dust purifier |
| CN110584213A (en) * | 2019-09-20 | 2019-12-20 | 深圳华昶实业有限公司 | Electronic atomization device |
| CN112295736A (en) * | 2019-07-26 | 2021-02-02 | 上海必修福企业管理有限公司 | Passive electrostatic field exhaust gas purification device |
| CN115013879A (en) * | 2022-07-22 | 2022-09-06 | 中国建筑西南设计研究院有限公司 | Filtering method and filtering device for air return opening of fan coil |
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