CN103691249A - Particle aggregation treatment device and treatment method thereof - Google Patents
Particle aggregation treatment device and treatment method thereof Download PDFInfo
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- CN103691249A CN103691249A CN201310660638.3A CN201310660638A CN103691249A CN 103691249 A CN103691249 A CN 103691249A CN 201310660638 A CN201310660638 A CN 201310660638A CN 103691249 A CN103691249 A CN 103691249A
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Abstract
The invention provides a particle aggregation treatment device and a treatment method thereof. The particle aggregation treatment device comprises a treatment chamber, and a module for generating ultrasonic wave, wherein a gas flow outlet is formed in the end surface of one side of the treatment chamber, a gas flow inlet is formed in the end surface of the other side of the treatment chamber, and an ultrasonic wave irradiation through hole for ultrasonic wave to enter the treatment chamber is formed in the side surface of the treatment chamber. By adopting the treatment chamber as a treatment space, to-be-treated gas flow of air and the like is subjected to ultrasonic wave treatment, when the ultrasonic wave passes through a suspension particle-containing air medium, suspension particles start vibrating together with air, the suspension particles have different relative vibration speed due to different sizes, the particles are collided and bonded, and then as the enlarged particles cannot move along with the ultrasonic vibration and can move irregularly to continue colliding, bonding is larger, so that the aggregation effect is achieved, and the purpose of filtering particles can be finally achieved by using fewer filter units.
Description
Technical field
The invention belongs to air cleaning process field, be specifically related to a kind of particle aggregation treating apparatus and processing method thereof.
Background technology
Air cleaning is widely used in Aero-Space, microelectronics, semiconductor, medicine, food, chemical industry, the fields such as health care, air cleaning facility need to use multistage filtering unit conventionally at present, airborne polluter particle is filtered to absorption step by step by grain diameter, reach the object purifying air, but, multistage filtering often needs to use the like products such as expensive high efficiency particulate air filter HEPA to remove the less air pollutants of particle diameter, filter (adsorption capacity drops to and cannot meet processing requirements) needs after using certain hour are changed, and the progression of multistage filtering is more, energy consumption is also just larger, therefore, not only filter efficiency is lower, and do not meet the social development requirement of energy-saving and emission-reduction.
Summary of the invention
The object of the present invention is to provide a kind of particle aggregation treating apparatus and processing method thereof.
For achieving the above object, the present invention has adopted following technical scheme.
A kind of particle aggregation treating apparatus, comprise treatment chamber and for generation of hyperacoustic module, on one side end face of described treatment chamber, be provided with air stream outlet, on the opposite side end face for the treatment of chamber, be provided with airflow inlet, on the side for the treatment of chamber, offer for entering the ultrasonic irradiation through hole in treatment chamber for described ultrasonic wave.
Described ultrasonic power density is 10-100W/cm
3.
Described air stream outlet is comprised of a plurality of pores that are uniformly distributed on corresponding end face.
On the side of described treatment chamber, be also provided with LED, the bright dipping side of described LED is in treatment chamber.
Described LED is red spectral band.
The processing method of above-mentioned particle aggregation treating apparatus, this processing method comprises the following steps:
1) particle aggregation treating apparatus is placed in to filter element inlet side;
2) start for generation of hyperacoustic module, and the ultrasonic wave that described module is produced by ultrasonic irradiation through hole enters in treatment chamber;
3) pending gas is entered in treatment chamber from airflow inlet, then from air stream outlet, flow out to filter element.
Described ultrasonic power density is 10-100W/cm
3.
The time of staying of described pending gas in treatment chamber is at least 1 second.
Described processing method is further comprising the steps of:
When starting for generation of hyperacoustic module, the LED of opening installation on treatment chamber side, makes the light of LED inject and cover the space in treatment chamber.
Described LED is red spectral band.
Beneficial effect of the present invention is embodied in:
The present invention adopts treatment chamber as processing space, to flowing into the air wait flow of process air of processing in space, carry out ultrasonic wave processing, ultrasonic wave is when having the air dielectric of suspended particulate, suspended particulate starts to vibrate together with air, because suspended particulate varies in size Relative Vibration speed different, particle will collide bonding mutually, it is large that volume and quality all can become, then because becoming, particle can not follow ultrasonic vibration campaign greatly, but random motion, continue collision, bonding change is large, reach the effect of cohesion, finally can use the filter element of less progression to reach the object of effective filtering particle.
Further, red spectral band in LED can provide for larger dust granule larger energy, because its wavelength is longer, thereby increase penetration power, promote larger degree of adhesion, the dust granule below 0.6 μ m particularly, for the dust granule that has contaminative, because its viscosity is larger, thereby effect is more obvious.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is course of work schematic diagram of the present invention;
In figure: 1 is treatment chamber, 2 is for generation of hyperacoustic module, and 3 is ultrasonic irradiation through hole, and 4 is air stream outlet, and 5 is LED.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is elaborated.
Referring to Fig. 1 and Fig. 2, particle aggregation treating apparatus of the present invention comprises that treatment chamber 1(treatment chamber can adopt cuboid or cube shaped, wherein two the relative faces of take are end face, other faces are side) and for generation of hyperacoustic module 2(supersonic generator), on one side end face of described treatment chamber 1, be provided with air stream outlet 4, on the opposite side end face for the treatment of chamber 1, be provided with airflow inlet, on the side for the treatment of chamber 1, offer for entering the ultrasonic irradiation through hole 3 in treatment chamber 1 for described ultrasonic wave, described ultrasonic power density is 10-100W/cm
3(be preferably 45W/cm
3).
Described air stream outlet 4 is comprised of a plurality of pores that are uniformly distributed on corresponding end face (air stream outlet place end face), air stream outlet carries out current-sharing to the air-flow of output treatment chamber on the one hand, can make on the other hand the air-flow that passes into treatment chamber at air stream outlet place end face generating unit sub reflector, extend the time of staying of air-flow in treatment chamber.
On the side of described treatment chamber 1, be also provided with LED5, the bright dipping side of described LED5 is in treatment chamber 1, and described LED5 is red spectral band.
The processing method of above-mentioned particle aggregation treating apparatus, this processing method comprises the following steps:
1) particle aggregation treating apparatus is placed in to filter element (filter) inlet side in air cleaning facility;
2) start for generation of hyperacoustic module 2, and the ultrasonic wave that described module is produced by ultrasonic irradiation through hole 3 enters in treatment chamber 1; Described ultrasonic power density is 10-100W/cm
3(be preferably 45W/cm
3);
3) pending gas (such as air) is entered in treatment chamber 1 from airflow inlet, then from air stream outlet 4, flow out to filter element; The time of staying of described pending gas in treatment chamber 1 is at least 1 second (time of staying refers to that pending gas is from entering treatment chamber to the time of flowing out treatment chamber, and namely pending gas is accepted the time that ultrasonic wave is processed in treatment chamber).
Described processing method is further comprising the steps of:
When starting for generation of hyperacoustic module 2, the LED5 of opening installation on treatment chamber 1 side, makes the light of LED5 inject and cover the space in treatment chamber 1, and described LED5 is red spectral band.
Experimental example
Adopt air as trier, filtrate is same medium effeciency filter, and metrical instrument is dust particle measuring instrument, and humidity is not measured.Utilize blower fan to blow the air in circular duct, circular duct and medium effeciency filter are tightly connected, and particle aggregation treating apparatus is arranged in circular duct.Metrical instrument, in medium effeciency filter rear end, is collected air sampling data.
Situation one: ultrasonic wave is not processed than applying the number of particles of ultrasonic wave processing by medium effeciency filter and approximately reduced 20-30% separately.
Situation two: red spectral band LED illumination and ultrasonic wave are processed to apply simultaneously and compared with not applying, the number of particles by medium effeciency filter reduces about 25-35%.
Experiment preliminary proof, LED red spectral band and ultrasonic wave are assembled and are had obvious effect microparticle.(ultrasonic power density is 45W/cm can to make small particle aggregation
3time the most obvious to the cohesion of particle), improve filter efficiency, for example, in cleaning equipment (administering the equipment of PM2.5), without re-using high efficiency particulate air filter HEPA, can reach and purify object (for example, making the concentration of PM2.5 be reduced to the object below 15).
In addition, experimental results show that air velocity can not be too high.Air can not be less than 1 second by the time for the treatment of chamber, and the time of staying, longer flocculating result was more obvious.Flow velocity is relevant with treatment chamber both ends of the surface spacing (treatment chamber thickness), and the air that the unit interval processes is relevant with treatment chamber volume.Volume is larger, and the volume of air that the unit interval processes is larger.
Claims (10)
1. a particle aggregation treating apparatus, it is characterized in that: comprise treatment chamber (1) and for generation of hyperacoustic module (2), on one side end face of described treatment chamber (1), be provided with air stream outlet (4), on the opposite side end face for the treatment of chamber (1), be provided with airflow inlet, on the side for the treatment of chamber (1), offer for enter the ultrasonic irradiation through hole (3) in treatment chamber (1) for described ultrasonic wave.
2. a kind of particle aggregation treating apparatus according to claim 1, is characterized in that: described ultrasonic power density is 10-100W/cm
3.
3. a kind of particle aggregation treating apparatus according to claim 1, is characterized in that: described air stream outlet (4) is comprised of a plurality of pores that are uniformly distributed on corresponding end face.
4. a kind of particle aggregation treating apparatus according to claim 1, is characterized in that: on the side of described treatment chamber (1), be also provided with LED(5), described LED(5) bright dipping side in treatment chamber.
5. a kind of particle aggregation treating apparatus according to claim 4, is characterized in that: be described LED(5) red spectral band.
6. a processing method for particle aggregation treating apparatus as claimed in claim 1, is characterized in that: this processing method comprises the following steps:
1) particle aggregation treating apparatus is placed in to filter element inlet side;
2) start for generation of hyperacoustic module (2), and the ultrasonic wave that described module is produced by ultrasonic irradiation through hole (3) enters in treatment chamber (1);
3) pending gas is entered in treatment chamber (1) from airflow inlet, then from air stream outlet (4), flow out to filter element.
7. a kind of processing method of particle aggregation treating apparatus according to claim 6, is characterized in that: described ultrasonic power density is 10-100W/cm
3.
8. a kind of processing method of particle aggregation treating apparatus according to claim 6, is characterized in that: the time of staying of described pending gas in treatment chamber (1) is at least 1 second.
9. a kind of processing method of particle aggregation treating apparatus according to claim 6, is characterized in that: described processing method is further comprising the steps of:
When starting for generation of hyperacoustic module (2), the LED(5 of opening installation on treatment chamber (1) side), make LED(5) light inject and cover the space in treatment chamber (1).
10. a kind of processing method of particle aggregation treating apparatus according to claim 9, is characterized in that: be described LED(5) red spectral band.
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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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| CN103691249B CN103691249B (en) | 2016-09-07 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106955540A (en) * | 2016-01-12 | 2017-07-18 | 绿源工程顾问有限公司 | The air cleaner and its air filtering method of acoustics auxiliary |
| CN107297119A (en) * | 2017-08-18 | 2017-10-27 | 中国科学院工程热物理研究所 | Bed Filtration dust arrester |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106955540A (en) * | 2016-01-12 | 2017-07-18 | 绿源工程顾问有限公司 | The air cleaner and its air filtering method of acoustics auxiliary |
| US10159925B2 (en) | 2016-01-12 | 2018-12-25 | Aurabeat Holdings Limited | Acoustic aided air filter and a method of air filtration thereof |
| CN106955540B (en) * | 2016-01-12 | 2020-03-24 | 雅弦控股有限公司 | Acoustically assisted air filter and method for filtering air |
| CN107297119A (en) * | 2017-08-18 | 2017-10-27 | 中国科学院工程热物理研究所 | Bed Filtration dust arrester |
| 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 | Publication date |
|---|---|
| CN103691249B (en) | 2016-09-07 |
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