CN103691249B - A kind of particle aggregation processing means and processing method thereof - Google Patents
A kind of particle aggregation processing means and processing method thereof Download PDFInfo
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- CN103691249B CN103691249B CN201310660638.3A CN201310660638A CN103691249B CN 103691249 B CN103691249 B CN 103691249B CN 201310660638 A CN201310660638 A CN 201310660638A CN 103691249 B CN103691249 B CN 103691249B
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Abstract
nullThe present invention provides a kind of particle aggregation processing means and processing method thereof，Including processing chamber and for producing the module of ultrasonic wave，Air stream outlet is offered on one side end face of described process chamber，Process and be provided with airflow inlet on the opposite side end face of chamber，Process and on the side of chamber, offer the ultrasonic irradiation through hole for processing in chamber for described ultrasonic wave entrance，The present invention uses process chamber as processing space，Inflow is processed the pending air-flows such as the air in space and carries out ultrasonic wave process，When utilizing ultrasonic wave by the air dielectric that has suspended particulate，Suspended particulate starts to shake together with air，Different Relative Vibration speed is had owing to suspended particulate varies in size，Particle will mutually collide bonding，Then ultrasonic vibration campaign can not be followed greatly owing to particle becomes，But random motion，Continue collision，Bonding becomes big，Reach the effect of cohesion，The filter element that may finally use less progression reaches to filter the purpose of particle.
Description
Technical field
The invention belongs to air cleaning process field, be specifically related to a kind of particle aggregation processing means
And processing method.
Background technology
Air cleaning be widely used in Aero-Space, microelectronics, semiconductor, medicine, food,
The field such as chemical industry, health care, current air cleaning facility typically requires use multistage filtering list
Unit, filters absorption by the polluter particle in air step by step by grain diameter, reaches to purify sky
The purpose of gas, but, multistage filtering generally requires the expensive high efficiency particulate air filter HEPA of use
Being purged, Deng like product, the air pollutants that particle diameter is less, filter is using a timing
After between, (adsorption capacity drops to meet process and requires) needs are changed, and multistage filtering
Progression is the most, and energy consumption is the biggest, and therefore, not only filter efficiency is relatively low, and does not meets joint
The social development requirement that can reduce discharging.
Summary of the invention
It is an object of the invention to provide a kind of particle aggregation processing means and processing method thereof.
For reaching above-mentioned purpose, present invention employs techniques below scheme.
A kind of particle aggregation processing means, including processing chamber and for producing the mould of ultrasonic wave
Block, a side end face of described process chamber is provided with air stream outlet, processes the opposite side of chamber
It is provided with airflow inlet on end face, processes and offer on the side of chamber for for described ultrasonic wave
Entrance processes the ultrasonic irradiation through hole in chamber.
Described ultrasonic power density is 10-100W/cm3。
Described air stream outlet is made up of multiple pores being uniformly distributed on corresponding end face.
Be additionally provided with LED on the side of described process chamber, the light emission side of described LED towards
In process chamber.
Described LED is red spectral band.
The processing method of above-mentioned particle aggregation processing means, this processing method comprises the following steps:
1) particle aggregation processing means is placed in filter element inlet side；
2) start the module for producing ultrasonic wave, and made by ultrasonic irradiation through hole described
The ultrasonic wave entrance that module produces processes in chamber；
3) make pending gas process in chamber from airflow inlet entrance, then go out from air-flow
Mouth flows out to filter element.
Described ultrasonic power density is 10-100W/cm3。
The described pending gas time of staying in processing chamber is at least 1 second.
Described processing method is further comprising the steps of:
While starting the module for producing ultrasonic wave, open and be installed on process chamber-side
On LED, make the light of LED inject and covering treatment chamber in space.
Described LED is red spectral band.
Beneficial effects of the present invention is embodied in:
The present invention uses process chamber as processing space, and inflow is processed the air etc. in space
Pending air-flow carries out ultrasonic wave process, when ultrasonic wave is by the air dielectric that has suspended particulate,
Suspended particulate starts to vibrate together with air, has different phases owing to suspended particulate varies in size
To vibration velocity, particle will mutually collide bonding, volume and quality all can become big, then by
Become in particle and can not follow greatly ultrasonic vibration campaign, but random motion, continue collision, viscous
Close and become big, reach the effect of cohesion, the filter element of less progression may finally be used to reach to have
Effect filters the purpose of particle.
Further, the red spectral band in LED can be that bigger dust granule provides relatively
Big energy, because its wavelength is longer, thus increases penetration power, promotes bigger degree of adhesion,
Dust granule below particularly 0.6 μm, for there being the dust granule of contaminative, because it glues
Property relatively big, thus effect becomes apparent from.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the course of work schematic diagram of the present invention；
In figure: 1 for processing chamber, and 2 is the module for producing ultrasonic wave, and 3 is ultrasonic wave
Irradiating through hole, 4 is air stream outlet, and 5 is LED.
Detailed description of the invention
Below in conjunction with the accompanying drawings the present invention is elaborated.
Seeing Fig. 1 and Fig. 2, particle aggregation processing means of the present invention includes processing chamber
1(processes chamber can use cuboid or cube shaped, with the relative face of two of which for end
Face, other faces are side) and for producing the module 2(supersonic generator of ultrasonic wave),
It is provided with air stream outlet 4 on one side end face of described process chamber 1, processes chamber 1 another
It is provided with airflow inlet on side end face, processes and offer on the side of chamber 1 for for described super
Sound wave entrance processes the ultrasonic irradiation through hole 3 in chamber 1, and described ultrasonic power density is
10-100W/cm3(preferably 45W/cm3).
Described air stream outlet 4 is uniformly distributed in corresponding end face (air stream outlet place end by multiple
Face) on pore composition, the air-flow that air stream outlet on the one hand processes chamber to output carries out current-sharing,
On the other hand can make to be passed through and process the air-flow of chamber in air stream outlet place end face generation part
Reflection, extends the air-flow time of staying in processing chamber.
LED5, the light emission side of described LED5 it is additionally provided with on the side of described process chamber 1
Towards processing in chamber 1, described LED5 is red spectral band.
The processing method of above-mentioned particle aggregation processing means, this processing method comprises the following steps:
1) filter element particle aggregation processing means being placed in air cleaning facility (filters
Device) inlet side；
2) start the module 2 for producing ultrasonic wave, and made by ultrasonic irradiation through hole 3
The ultrasonic wave entrance that described module produces processes in chamber 1；Described ultrasonic power density is
10-100W/cm3(preferably 45W/cm3)；
3) pending gas (such as air) is made to process in chamber 1 from airflow inlet entrance,
Then filter element is flowed out to from air stream outlet 4；Described pending gas is processing chamber 1
The interior time of staying is at least 1 second, and (time of staying refers to that pending gas processes chamber from entrance
Process the time of chamber to outflow, the most pending gas accepts ultrasonic wave in processing chamber
The time processed).
Described processing method is further comprising the steps of:
While starting the module 2 for producing ultrasonic wave, open and be installed on process chamber 1
LED5 on side, make the light of LED5 inject and covering treatment chamber 1 in space,
Described LED5 is red spectral band.
Experimental example
Using air as trier, filtrate is same medium effeciency filter, and metrical instrument is
Dust particle measuring instrument, humidity is not measured.Blower fan is utilized to blow the air in circular duct, circle
Shape airduct is tightly connected with medium effeciency filter, and particle aggregation processing means is arranged on circular duct
In.Metrical instrument, in medium effeciency filter rear end, collects air sampling data.
Situation one: individually ultrasonic wave process processes by medium effeciency filter than not applying ultrasonic wave
Number of particles about reduces 20-30%.
Situation two: red spectral band LED illumination and ultrasonic wave process and apply simultaneously and do not apply phase
Ratio, reduces about 25-35% by the number of particles of medium effeciency filter.
Experiment preliminary proof, LED red spectral band and ultrasonic wave are obvious to microparticle populated with
Effect.(ultrasonic power density is 45W/cm can to make small particle aggregation3Time to
The cohesion of grain is the most obvious), improve filter efficiency, (such as administer PM2.5 at cleaning equipment
Equipment) in, it is not necessary to re-use high efficiency particulate air filter HEPA, i.e. can reach purification purpose (example
As, make the concentration of PM2.5 be reduced to the purpose of less than 15).
Additionally, experiment proves that air velocity can not be the highest.Air is by processing the time of chamber not
Can be less than 1 second, the time of staying, the longest flocculating result was the most obvious.Flow velocity and process chamber both ends of the surface
Spacing (process chamber thickness) is relevant, the air that the unit interval processes and process chamber volume
Relevant.Volume is the biggest, and the volume of air that the unit interval processes is the biggest.
Claims (5)
1. a particle aggregation processing means, it is characterized in that: include processing chamber (1) and for producing the module (2) of ultrasonic wave, it is provided with air stream outlet (4) on one side end face of described process chamber (1), process and be provided with airflow inlet on the opposite side end face of chamber (1), process and on the side of chamber (1), offer the ultrasonic irradiation through hole (3) for processing in chamber (1) for described ultrasonic wave entrance, the pending gas time of staying in processing chamber 1 is at least 1 second, and described ultrasonic power density is 10-100W/cm3；
Described air stream outlet (4) is made up of multiple pores being uniformly distributed on corresponding end face；
Be additionally provided with LED(5 on the side of described process chamber (1)), described LED(5) light emission side towards processing in chamber.
A kind of particle aggregation processing means, it is characterised in that: described LED(5) it is red spectral band.
3. the processing method of a particle aggregation processing means as claimed in claim 1, it is characterised in that: this processing method comprises the following steps:
1) particle aggregation processing means is placed in filter element inlet side；
2) start the module (2) for producing ultrasonic wave, and the ultrasonic wave entrance making described module produce by ultrasonic irradiation through hole (3) processes in chamber (1)；
3) make pending gas process in chamber (1) from airflow inlet entrance, then flow out to filter element from air stream outlet (4).
A kind of processing method of particle aggregation processing means, it is characterised in that: described processing method is further comprising the steps of:
While starting the module (2) for producing ultrasonic wave, open and be installed on the LED(5 processed on chamber (1) side), make LED(5) light inject and space in covering treatment chamber (1).
A kind of processing method of particle aggregation processing means, it is characterised in that: described LED(5) it is red spectral band.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310660638.3A CN103691249B (en) | 2013-12-06 | 2013-12-06 | A kind of particle aggregation processing means and processing method thereof |
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| CN201310660638.3A CN103691249B (en) | 2013-12-06 | 2013-12-06 | A kind of particle aggregation processing means and processing method thereof |
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| CN103691249A CN103691249A (en) | 2014-04-02 |
| CN103691249B true CN103691249B (en) | 2016-09-07 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US10159925B2 (en) * | 2016-01-12 | 2018-12-25 | Aurabeat Holdings Limited | Acoustic aided air filter and a method of air filtration thereof |
| CN107297119B (en) * | 2017-08-18 | 2019-12-03 | 中国科学院工程热物理研究所 | Bed Filtration dust-extraction unit |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3471536B2 (en) * | 1996-08-30 | 2003-12-02 | アマノ株式会社 | Ultrasonic collection method and apparatus for suspended particles |
| JP3471548B2 (en) * | 1996-12-18 | 2003-12-02 | アマノ株式会社 | Method and apparatus for collecting suspended particles |
| CN100553737C (en) * | 2008-04-29 | 2009-10-28 | 东南大学 | A kind of sound wave auxiliary composite bag type dust remover |
| CN201182958Y (en) * | 2008-04-29 | 2009-01-21 | 东南大学 | Sound wave auxiliary composite bag type dust collector |
| CN201470244U (en) * | 2009-08-10 | 2010-05-19 | 申小中 | Acoustic agglomeration composite bag type dust collecting device |
| CN101637683A (en) * | 2009-08-10 | 2010-02-03 | 申小中 | Acoustic agglomeration composite bag type dust removing device |
| US8475665B2 (en) * | 2010-07-15 | 2013-07-02 | Empire Technology Development, Llc | Nanoparticle filter |
| WO2013131233A1 (en) * | 2012-03-05 | 2013-09-12 | Empire Technology Development Llc | Particle removal |
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