CN109833977A - A kind of air purification method and air purifier - Google Patents

A kind of air purification method and air purifier Download PDF

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Publication number
CN109833977A
CN109833977A CN201910155775.9A CN201910155775A CN109833977A CN 109833977 A CN109833977 A CN 109833977A CN 201910155775 A CN201910155775 A CN 201910155775A CN 109833977 A CN109833977 A CN 109833977A
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China
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micro
air
particle
positive
girder construction
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CN109833977B (en
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漆明净
闫晓军
张小勇
刘志伟
黄大伟
陈省之
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Beihang University
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Beihang University
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
    • Y02A50/2351Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust

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Abstract

The present invention relates to a kind of air purification methods, using particle in self-excited vibration of the micro girder construction in electrostatic field and electrostatic adsorption capture air to purify air, additionally provide a kind of air purifier using above-mentioned air purification method, including air inlet, gas outlet, upper cover, outside plate and pedestal, it is provided with micro- beam particle capture component in air purifier, particle removal component is provided in pedestal.Its structure is simple, does not generate pernicious gas, no replacement is required consumptive material, is more energy-saving and environmentally friendly.

Description

A kind of air purification method and air purifier
Technical field
The present invention relates to a kind of air purification method and air purifiers, in particular to a kind of to capture sky using micro girder construction The air purification method and air purifier of particle in gas.
Background technique
Air purifying process suffers from broad application prospect in household and industrial circle, and main purpose is to remove air In all kinds of dust that mix.Existing air cleaning method is broadly divided into two class of filtering type dedusting and high-pressure electrostatic precipitation, wherein Filtering type dedusting is widely used because not generating additional pernicious gas in domestic environments, and high-pressure electrostatic precipitation is then because of efficiency of dust collection It is high and do not have to replacement strainer, it is widely used in industrial circle.
Fig. 1 is the schematic diagram of the bag-type dusting in filtering type dedusting, and bag-type dusting is the filter bag being made by fiber filtering, More important is filter bag is entered from lower part come the dust-contained airflow of purification gas by the dust layer formed in filter bag surface, passing through When the hole of filtrate, dust is got off by filtrate detention, is discharged through the cleaning gas tream of filtrate by outlet.It is deposited on filtrate Dust layer splits away off from filter material surface under the action of mechanical oscillation, falls into ash bucket.
Fig. 2 is the schematic diagram of high-pressure electrostatic precipitation, the gas containing dust particles, in the cathode for being connected to high-voltage DC power supply When being formed by high voltage electric field between line (also known as corona discharge electrode) and the anode plate of ground connection and pass through, due to cathode occur corona discharge, Gas is ionized, at this point, electronegative gas ion, under the action of electric field force, plate is moved on the sunny side, during exercise with dust Grain is collided, then makes grit lotus with negative electricity, it is charged after grit under the action of electric field force, also to anode movement, after reaching anode, The electronics of institute's band is released, grit is then deposited on anode plate, and outside the gas discharge dust excluder being purified.
Filtering type dedusting and high-pressure electrostatic precipitation have the shortcomings that its respectively.The shortcomings that filtration dust catcher: it is unsuitable for Work is run under the condition of high temperature;Drag losses are slightly larger;Dust bag easy to stick blocks up bag, causes cloth bag deashing difficulty, resistance to increase, needs Frequently replacement.The shortcomings that high-voltage electrostatic dust separator: equipment is huge, and consumption steel is more, needs high-voltage transforming and rectifier equipment, therefore invests high; The technical level of manufacture, installation and management is more demanding;Efficiency of dust collection is big by dust patterns affect;It is biggish to initial concentration to contain Pretreatment unit need to be arranged in dust and gas body;Do not have off-line maintenance function, once equipment failure can only run or stop in spite of illness Furnace maintenance;Because its principle limits, it is inevitably generated ozone in ionized air, is not suitable for the purification of room air.
Summary of the invention
It is an object of the invention to overcome the deficiencies of existing technologies, the dedusting of combined filtering formula and high-pressure electrostatic precipitation are respective Advantage provides a kind of air cleaning for utilizing micro girder construction to capture the air purification method of particle and utilization this method in air Device, structure is simple, does not generate pernicious gas, no replacement is required consumptive material, is more energy-saving and environmentally friendly.
The technical scheme is that a kind of air purification method, using particle in micro girder construction capture air to net Change air, including capture particle step: when adding voltage between positive-negative electrode plate, making to form stable electrostatic between positive and negative electrode ?;The free end surface of the micro girder construction generates induction positive negative charge, when voltage reaches certain value, the micro- beam of vibration It will receive electrostatic force and its free end be adsorbed to positive/negative electrode, at this point, the free end of the micro- beam of vibration and positive/negative electricity The potential of pole is equal;Charging neutrality occurs after the micro girder construction is adsorbed onto positive/negative electrode, during charging neutrality, institute It states electrostatic force to be gradually reduced, when elastic restoring force is greater than the electrostatic force, the free end of the micro girder construction is detached from positive/negative electricity Pole and hit to positive negative electrode, the free end of the micro girder construction is equal with the potential of positive negative electrode at this time;Micro- beam knot Structure can dust laden air under the action of electrostatic force and elastic restoring force between the positive and negative electrode vibrate back and forth, realized with this Capture particle.
Further, in order to improve the capture rate of particle, micro girder construction direction of vibration is vertical with air-flow direction to be set It sets.
Further, further include removal particle step, further include micro girder construction cleaning plant, can remove attached on micro girder construction Particle.
Further, capture particle step and removal particle step are repeated, is recycled so as to form one, working in reciprocating mode reaches To the effect of continuing purge air.
Further, a kind of air purifier using above-mentioned air purification method, including air inlet, gas outlet, upper cover, Outside plate and pedestal are provided with micro- beam particle capture component in air purifier, and particle removal component is provided in pedestal.
Further, micro- beam particle capture component includes micro- beam, chuck, transmission shaft, electrode plate, and Duo Genwei beam is connected On chuck, chuck is set on transmission shaft, and transmission shaft can drive chuck and micro- Liang Xuanzhuan, the portion of the electrode plate centers on the lower Position offer through-hole, transmission shaft is passed through from the through-hole of electrode plate, and electrode plate is not rotated with transmission shaft, transmission shaft electric pole plate with Micro- beam is intervally arranged, and forms multiple tier array arrangement, and tow sides all have one layer of conductive layer on the electrode plate.
Further, micro- beam uses Ultimum Ti silk.
Further, micro- beam particle capture component further includes gasket, and the gasket is set on transmission shaft, and setting exists On the outside of micro- beam.
Further, the groove for installing the motor plate, the transmission shaft peace are offered on the upper cover and the pedestal Mounted in the position of the center of the outside plate on the lower.
Further, the particle removal component is removable water tank.
The invention has the following advantages: the present invention is vibrated using excitation high frequency of the micro- beam of every metal in electrostatic field Particle is captured, because of the characteristic of self-excited vibration, so that it is not needed to measure the intrinsic frequency of each micro- beam can be in higher-frequency Fast vibration under rate large magnitude, and it is simple not need additional motor or other vibratory drivers, structure.The micro- beam of metal is certainly Positive and negative charge is persistently had during excited vibration, compared to traditional filtering formula deduster, the present invention is using electrostatic force and divides Active force has better adsorption effect between son.The difficulty of the micro- Liang Wei beam removal attaching particles of every metal is smaller, and so there is no need to more Consumptive material is changed, is more energy-saving and environmentally friendly.Micro- beam uses Ultimum Ti silk, and good corrosion resistance lasts a long time.The present invention is 6mm's It is only 2KV that DC voltage is used under electrode plate line space design, and entire loop current is less than 10mA, therefore the present invention will not puncture air Pernicious gas such as ozone is generated, does not also need Large-scale High-Pressure transformer equipment, cost is relatively low, power is lower, energy conservation and environmental protection, is easy to pacify Dress maintenance is suitable for a variety of environment.
Detailed description of the invention
Fig. 1 is the schematic diagram of bag-type dusting.
Fig. 2 is the schematic diagram of high-pressure electrostatic precipitation.
Fig. 3 is electrostatic drive schematic illustration.
Fig. 4 is the operation principle schematic diagram of micro- beam capture particulate in air.
Fig. 5 is the structural schematic diagram of air purifier.
The structural schematic diagram of the micro- beam particle capture component of Fig. 6.
Fig. 7 is the operation principle schematic diagram that particle is removed.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical", The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ", " third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected;It can To be mechanical connection, it is also possible to be electrically connected;It can be directly connected, can also can be indirectly connected through an intermediary Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition Concrete meaning in invention.
Referring to Fig. 1-7, electrostatic force is quite huge under the scale of PM2.5, therefore utilizes intermolecular force And micro- beam the electrically charged attraction to PM2.5 particle realize the capture to PM2.5 particle, to purify air.
A kind of air purification method using particle in micro girder construction capture air, includes the following steps,
(1) when adding voltage between positive-negative electrode plate, make to form stable electrostatic field between positive and negative electrode;
(2) free end surface of the micro girder construction generates induction positive negative charge, described when voltage reaches certain value Vibrate that micro- beam will receive electrostatic force and its free end is adsorbed to positive/negative electrode, at this point, the free end of the micro- beam of vibration with The potential of positive/negative electrode is equal;
(3) charging neutrality occurs after the micro girder construction is adsorbed onto positive/negative electrode, it is described during charging neutrality Electrostatic force is gradually reduced, and when elastic restoring force is greater than the electrostatic force, the free end of the micro girder construction is detached from positive/negative electrode And hit to positive negative electrode, the free end of the micro girder construction is equal with the potential of positive negative electrode at this time;
(4) micro girder construction can shake back and forth between the positive and negative electrode under the action of electrostatic force and elastic restoring force Dynamic, micro girder construction direction of vibration is vertical with air-flow direction, and the efficient capture of particle is realized with this.
(5) it is provided with micro girder construction cleaning plant, can remove the particle adhered on micro girder construction.
(6) step (4) and step (5) are repeated, particle-removal particle-capture particle is captured, is followed so as to form one Ring, working in reciprocating mode achieve the effect that continuing purge air.
Based on the above method, the present invention has devised a kind of air purifier, including air inlet, gas outlet, upper cover 1, outer Plate 2 and pedestal 3 are provided with micro- beam particle capture component 4 in air purifier, and particle removal component 5 is provided in pedestal 3.
Micro- beam particle capture component 4 includes micro- beam 41, chuck 42, transmission shaft 43, electrode plate 44 and gasket 45, Duo Genwei beam 41 are connected on chuck 42, and chuck 42 is set on transmission shaft 43, and transmission shaft 43 can drive chuck 42 and micro- beam 41 to rotate, electrode The position of 44 center of plate on the lower offers through-hole, and transmission shaft 43 is passed through from the through-hole of electrode plate 44, and electrode plate 44 is not with transmission Axis rotation, transmission shaft electric pole plate 44 are intervally arranged with micro- beam 41, form multiple tier array arrangement.Tow sides are all on electrode plate 44 With one layer of conductive metal aluminum foil.Micro- beam 41 preferably uses Ultimum Ti silk.In order to further fix micro- beam 41, it is driven On axis 43, gasket 45 is provided with outside micro- beam 41.
The groove of installation motor plate 44 is offered in upper cover 1 and pedestal 3, transmission shaft 43 is mounted on the center of outside plate 2 on the lower Position.
It is removable water tank that particle, which removes component 5,.
In order to accelerate the flow velocity of air, fan 6 is additionally provided on air purifier.
When adding voltage between electrode, micro- beam 41 within which can generate self-excited vibration, ash-laden gas under electric field action Particle is captured using micro- vibration of beam when stream is by between two electrode plates, when micro- beam rotates to the water tank of lower section, utilizes water flow Impact force and eccentric structure design bring micro- beam deformation fast quick-recovery again forms of motion make to be adsorbed on micro- beam can Particulate matter desorption is sucked into water, so as to form circulation.Single air purifier array arrangement is finally formed into system, is improved net Change efficiency and the purge amount of unit time.
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment Limitation, other any changes, modifications, substitutions, combinations, simplifications made without departing from the spirit and principles of the present invention, It should be equivalent substitute mode, be included within the scope of the present invention.

Claims (10)

1. a kind of air purification method, it is characterised in that: using particle in micro girder construction capture air to purify air, including Capture particle step:
When adding voltage between positive-negative electrode plate, make to form stable electrostatic field between positive and negative electrode;
It directs the air between positive and negative anodes electrode;
The free end surface of the micro girder construction generates induction positive negative charge, when voltage reaches certain value, the micro- beam of vibration It will receive electrostatic force and its free end be adsorbed to positive/negative electrode, at this point, the free end of the micro- beam of vibration and positive/negative electricity The potential of pole is equal;
Charging neutrality occurs after the micro girder construction is adsorbed onto positive/negative electrode, during charging neutrality, the electrostatic force by It is decrescence small, when elastic restoring force is greater than the electrostatic force, the free end of the micro girder construction be detached from positive/negative electrode and to it is negative/ Positive electrode is hit, and the free end of the micro girder construction is equal with the potential of positive negative electrode at this time;
The micro girder construction can be in air under the action of electrostatic force and elastic restoring force between the positive and negative electrode back and forth It vibrates, and captures the particle in air by Electrostatic Absorption and Van der Waals force in vibration processes.
2. a kind of air purification method according to claim 1, it is characterised in that: in order to improve the capture rate of particle, Micro girder construction direction of vibration is vertically arranged with air-flow direction.
3. a kind of air purification method according to claim 1, it is characterised in that: further include removal particle step, also wrap Micro girder construction cleaning plant is included, can remove the particle adhered on micro girder construction.
4. a kind of air purification method according to claim 2, it is characterised in that: repeat capture particle step and removal Grain step, recycles so as to form one, and working in reciprocating mode achievees the effect that continuing purge air.
5. a kind of air purifier using any air purification method of claim 1-4, it is characterised in that: including into Port, gas outlet, upper cover, outside plate and pedestal are provided with micro- beam particle capture component in air purifier, are provided in pedestal Grain removal component.
6. a kind of air purifier according to claim 5, it is characterised in that: micro- beam particle capture component includes micro- Beam, chuck, transmission shaft, electrode plate, Duo Genwei beam are connected on chuck, and chuck is set on transmission shaft, and transmission shaft can drive card Disk and micro- Liang Xuanzhuan, the position of the electrode plate centers on the lower offer through-hole, and transmission shaft is passed through from the through-hole of electrode plate, electricity Pole plate is not rotated with transmission shaft, and transmission shaft electric pole plate is intervally arranged with Wei Liang, is formed multiple tier array and is arranged, on the electrode plate Tow sides all have one layer of conductive layer.
7. a kind of air purifier according to claim 6, it is characterised in that: micro- beam uses Ultimum Ti Silk.
8. a kind of air purifier according to claim 6, it is characterised in that: micro- beam particle capture component further includes Gasket, the gasket are set on transmission shaft, are arranged on the outside of micro- beam.
9. a kind of air purifier according to claim 6, it is characterised in that: offered on the upper cover and the pedestal The groove of the motor plate is installed, the transmission shaft is mounted on the position of the center of the outside plate on the lower.
10. a kind of air purifier according to claim 5, it is characterised in that: the particle removal component is detachable Water tank.
CN201910155775.9A 2019-03-01 2019-03-01 Air purifying method and air purifier Active CN109833977B (en)

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CN110681490A (en) * 2019-09-04 2020-01-14 扬州博林环保机械有限公司 Full-automatic high-efficient electrostatic precipitator device
CN111111924A (en) * 2019-12-31 2020-05-08 国网北京市电力公司 Method, device and electrical equipment for acquiring component data of particle capture device

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CN110681490A (en) * 2019-09-04 2020-01-14 扬州博林环保机械有限公司 Full-automatic high-efficient electrostatic precipitator device
CN111111924A (en) * 2019-12-31 2020-05-08 国网北京市电力公司 Method, device and electrical equipment for acquiring component data of particle capture device

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