CN204051659U - A kind of ultrasonic cavitation device - Google Patents
A kind of ultrasonic cavitation device Download PDFInfo
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- CN204051659U CN204051659U CN201420469905.9U CN201420469905U CN204051659U CN 204051659 U CN204051659 U CN 204051659U CN 201420469905 U CN201420469905 U CN 201420469905U CN 204051659 U CN204051659 U CN 204051659U
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Abstract
The utility model relates to a kind of ultrasonic cavitation device, and this device comprises: vibration body and reflector, and wherein vibration body one end arranges radiating surface, forms a liquid lamella between radiating surface and reflector; Vibration body generates ultrasonic wave, enters into liquid lamella, and form sound field by radiating surface in liquid lamella; The ultrasonic wave of reflector reflected radiation surface radiation, through reflector and radiating surface to hyperacoustic multiple reflections and superposition, makes the sound field in liquid lamella be strengthened, thus forms the large-area cavitation cloud laterally sprawled along liquid lamella.The ultrasonic cavitation device that the utility model provides, by settling a reflecting surface at transducer radiates in the face of side, makes under less input power, and the sound field strengthening in liquid lamella forms the cavitation cloud that large area is laterally sprawled.
Description
Technical field
The utility model relates to ultrasonic cavitation field, particularly relates to a kind of ultrasonic cavitation device.
Background technology
Cavitation refers to the generation of the liquid hollow bubble when the pressure of liquid drops to enough low and follow-up dynamic behavior thereof, its main forms is under periodic acoustic pressure effect, the micro-bubble of a large amount of continuous harmomegathus is there is in liquid, these bubbles produce instantaneously according to hyperacoustic cycle and crumble and fall instantaneously (between several microsecond to tens of microseconds), form the cloud and mist of bubble.HTHP can be produced in bubble inside time these bubbles are crumbled and fall, in liquid around, produce shock wave, can move towards wall when pressing close to wall and form the microjet beaten to wall.Current is all carry out in large body to the application such as ultrasonic cleaning and phonochemistry of cavitation, causes the waste of water resource so on the one hand, also causes cavitation efficiency to reduce because of acoustic energy dispersion simultaneously.We study and find in liquid lamella, occurred new cavitation form, this cavitation needs water little, there is very high cavitation cloud percent by volume and capacity usage ratio, also have lower input power and higher cavitation intensity, have potential using value in fields such as ultrasonic cleaning, surface treatment, phonochemistry and ultrasonic medicals.
Utility model content
The purpose of this utility model is for the low problem of prior art ultrasonic cavitation unit efficiency, provides a kind of ultrasonic cavitation device efficiently.
For achieving the above object, the utility model provides a kind of ultrasonic cavitation device, and this device comprises: vibration body and reflector, and wherein, vibration body one end has radiating surface, forms a liquid lamella between radiating surface and reflector; Vibration body generates ultrasonic wave, enters into liquid lamella, and form sound field by radiating surface in liquid lamella;
The ultrasonic wave of reflector reflected radiation surface radiation, through reflector and radiating surface to hyperacoustic multiple reflections and superposition, makes the sound field in liquid lamella be strengthened, thus forms the large-area cavitation cloud laterally sprawled along liquid lamella.
Preferably, the thickness of liquid lamella is less than 10 millimeters.
Preferably, radiating surface and reflector are two straight plates positioned opposite or twisted plate.
Preferably, ultrasonic cavitation device also comprises: fixing and adjusting part, and fixing and adjusting part, for vibration body is fixed on support, carrys out regulates liquid thickness of thin layer by the adjustable legs of support.
Preferably, ultrasonic cavitation device also comprises: preventing idle load assembly, for disconnecting vibration body power supply when the liquid in liquid lamella is less than default amount of liquid.
Preferably, the vibration body in ultrasonic cavitation device is transducer.
The ultrasonic cavitation device that the utility model provides, by settling a reflecting surface at transducer radiates in the face of side, make under less input power, sound field strengthening in liquid lamella forms the cavitation cloud that large area is laterally sprawled, this cavitation cloud has high spatial volume ratio and very high cavitation intensity, can be used for processing in teaching, scientific research, Industrial Analysis the fragmentation of the animal vegetable tissue of a small amount of liquid, cell, bacterium, brood cell's bacterial classification, also can be used for the location cleaning of flat surface, and the surface treatment such as the Surface hardened layer of flat surface, removal oxide-film.
Accompanying drawing explanation
A kind of ultrasonic cavitation apparatus structure schematic diagram that Fig. 1 provides for the utility model embodiment;
The another kind of ultrasonic cavitation apparatus structure schematic diagram that Fig. 2 provides for the utility model embodiment;
Fig. 3 a is the High speed photography of liquid lamella ultrasonic cavitation in the utility model embodiment;
Fig. 3 b is High speed photography when liquid lamella thickness is 2.02mm in the utility model embodiment;
Fig. 4 is the High speed photography of liquid lamella different-thickness in the utility model embodiment;
Fig. 5 is for the percent by volume in the utility model embodiment shared by liquid lamella ultrasonic cavitation cavitation cloud is with the change schematic diagram of liquid lamella thickness;
The ultrasonic cavitation apparatus structure schematic diagram that Fig. 6 provides for the utility model embodiment;
Ultrasonic cavitation application of installation scene one schematic diagram that Fig. 7 provides for the utility model embodiment;
Ultrasonic cavitation application of installation scene two schematic diagram that Fig. 8 provides for the utility model embodiment.
Detailed description of the invention
After being described in detail embodiment of the present utility model by way of example below in conjunction with accompanying drawing, other features of the present utility model, feature and advantage will be more obvious.
A kind of ultrasonic cavitation apparatus structure schematic diagram that Fig. 1 provides for the utility model embodiment.As shown in Figure 1, this ultrasonic cavitation device comprises: vibration body 1 and reflector 4, and wherein vibration body 1 one end has radiating surface 2, forms a liquid lamella 3 between radiating surface 2 and reflector 4.Vibration body 1 is for converting electrical energy into ultrasonic wave, and ultrasonic wave enters into liquid lamella 3 by radiating surface 2, and forms sound field in liquid lamella 3.
The ultrasonic wave of reflector 4 reflected radiation face 2 radiation, through reflector 4 and radiating surface 2 to hyperacoustic multiple reflections and superposition, makes the sound field in liquid lamella 3 be strengthened, thus forms the large-area cavitation cloud laterally sprawled along liquid lamella 3.
Preferably, vibration body 1 selects transducer, the thickness of liquid lamella 3 is less than 10 millimeters, and radiating surface 2 and the reflector 4 of vibration body 1 are positioned opposite, can be two mutual equalitys of straight parallel plate, also can be the bending liquid lamella of twisted plate that two curvature is identical or close, of forming.Or radiating surface 2 and reflector 4 keep a gradient, as shown in Figure 4, cavitation cloud now is also that thin place is different with thick place, as long as the upper limit that the thickest place is no more than thin layer is just passable.Liquid lamella 3 thickness bottom in Fig. 4 is less than top.
As an improvement of the utility model embodiment, ultrasonic cavitation device also comprises preventing idle load assembly (not shown), disconnects the power supply of vibration body 1 when the liquid in the liquid lamella of ultrasonic cavitation device is less than default amount of liquid.
It should be noted that, the liquid lamella cavitation in the utility model embodiment presents following feature because of the particularity on space and border: the acoustic streaming 1, produced because of ultrasonic energy decay is limited; 2, the generation of liquid lamella cavitation cloud is closer to power cavitation but not acoustic cavitation; 3, narrow space limits the longitudinal development of cavitation size and cavitation cloud; 4, circumference entrance section is little, and flow field has particularity.The above-mentioned characteristic cavitation structure that lamella space is occurred is brand-new.
The liquid lamella ultrasonic cavitation device that the utility model provides, by settling a reflecting surface at transducer radiates in the face of side, make under less input power, sound field strengthening in liquid lamella forms the cavitation cloud that large area is laterally sprawled, this cavitation cloud has high spatial volume ratio and very high cavitation intensity, can be used for teaching, scientific research, the animal vegetable tissue of a small amount of liquid is processed in Industrial Analysis, cell, bacterium, the fragmentation of brood cell's bacterial classification, also can be used for the location cleaning of flat surface, and the Surface hardened layer of flat surface, remove the surface treatments such as oxide-film.
The another kind of ultrasonic cavitation apparatus structure schematic diagram that Fig. 2 provides for the utility model embodiment.As shown in Figure 2, this ultrasonic cavitation device belongs to an overflow-type thin layer cavitation reactor, and it comprises vibration body 1 and reflector 4, and vibration body 1 one end arranges radiating surface 2, forms a liquid lamella 3 between radiating surface 2 and reflector 4.Reflector 4 arranges water inlet and delivery port, and outer surface and reflector 4 inner surface of vibration body 1 are respectively arranged with sealing ring 5, inject liquid by water inlet in liquid lamella 4, is discharged by the liquid flowing through liquid lamella 4 by delivery port again.
Fig. 3 a is the High speed photography of liquid lamella ultrasonic cavitation in the utility model embodiment.Cavitation cloud in liquid lamella 3 is laterally sprawled, and pit shape cavitation cloud, cellular cavitation cloud, netted cavitation cloud and Smoker cavitation cloud will appear in increase along with the thickness of liquid lamella 3 successively.As shown in Figure 3, in (1) figure, liquid lamella thickness is 0.00mm, and thickness of thin layer increases successively, until when in (10) figure, liquid lamella thickness is 8.60mm, and the cavitation cloud form occurred successively in liquid lamella 3.
The size of cavity in cavitation cloud form in liquid lamella 3, cavitation cloud, cavitation cloud percent by volume change by force with the thickness of liquid lamella 3 and average radiated sound and change, therefore can for difference need to select the thickness of suitable liquid lamella 3 and average radiated sound strong.
It should be noted that, the form of cavitation cloud during different liquids thickness of thin layer, different cavitation cloud forms can be selected according to different needs.This point is realized by selecting different power and thickness of thin layer.The thickness of thin layer of the cavitation cloud in liquid lamella has the upper limit, within this upper limit, cavitation cloud is continuous phase and the water of non-cavitation is discrete phase, when exceeding this upper limit, to occur discrete Smoker cavitation cloud, cavitation cloud becomes discrete phase, and the water of non-cavitation becomes continuous phase, now illustrate that the impact of reflector is more weak, exceed this thickness and just do not belong to thin layer cavitation category.Different radiating surface sizes is different with this upper thickness limit of the different radiation sound intensity, can test in advance and determine.
Fig. 3 b is High speed photography when liquid lamella thickness is 2.02mm in the utility model embodiment.As shown in Figure 3 b, when the thickness of liquid lamella 3 is 2.02mm, cavitation cloud in liquid lamella 3 constantly develops, the form that the form that the form that such as (1) is the cavitation cloud of 0s, (2) they are the cavitation cloud of 0.95s, (3) they are the cavitation cloud of 1.74s, and (4) are the form of the cavitation cloud of 2.83s.That is, the chance of cavitation is all occurred everywhere from liquid lamella 3 for a long time, possesses ergodic, from this point cavitation cloud be the time, space uniform distribution, propose this point mainly for ultrasonic cleaning and surface treatment, be unlikely to occur that some local process is less than the situation with less cleaning.
Fig. 5 is for the percent by volume in the utility model embodiment shared by liquid lamella ultrasonic cavitation cavitation cloud is with the change schematic diagram of liquid lamella thickness.As shown in Figure 5, the percent by volume shared by cavitation cloud of the utility model embodiment liquid lamella ultrasonic cavitation changes with the change of thickness of thin layer, show cavitation cloud percent by volume on the whole in figure very high, reach time the highest close to 80%, there is very high value.
The ultrasonic cavitation apparatus structure schematic diagram that Fig. 6 provides for the utility model embodiment.As shown in Figure 6, ultrasonic cavitation device comprises vibration body 1, reflector (not shown), and fixing and adjusting part, fixing and adjusting part comprises support 8 and supporting leg 9, vibration body 1 is fixed on support 8 by fixing and adjusting part, is carried out the thickness of regulates liquid thin layer by the adjustable legs 9 of support 8.
Ultrasonic cavitation application of installation scene one schematic diagram that Fig. 7 provides for the utility model embodiment.Fig. 7 is an overflow-type thin layer cavitation reactor, can be used for emulsification, separation, dispersion, homogenize, extraction and accelerates chemical reaction etc., also can be used for other sonochemical process.Can be used for field teaching, scientific research, the detections etc. such as biochemistry, microbiology, pharmaceutical chemistry, surface chemistry, zoology, agronomy, medical science, pharmacy.As shown in Figure 7, ultrasonic cavitation device comprises transducer 23, poly (methyl methacrylate) plate 22 and glass plate 21, wherein, transducer 23 and lucite 22 bond together, poly (methyl methacrylate) plate 22 and glass plate 21 form liquid lamella 24, the vibration passing of transducer 23 is to lucite 22, lucite 22 is vibrated together, to cavitation be there is in the liquid lamella like this between glass plate 21 and poly (methyl methacrylate) plate 22, break process is carried out to the cell in liquid, because glass plate 21 and lucite 22 are transparent, can Real Time Observation and monitoring liquid interior change by microscope 20 under the irradiation of light source.
Ultrasonic cavitation application of installation scene two schematic diagram that Fig. 8 provides for the utility model embodiment.As shown in Figure 8, the ultrasonic cavitation device provided by the utility model embodiment is processed human body skin disease, utilizes the HTHP shock wave of the bubble collapse in liquid lamella and microjet to process focus.
Obviously, under the prerequisite not departing from true spirit of the present utility model and scope, the utility model described here can have many changes.Therefore, all changes that it will be apparent to those skilled in the art that, all should be included within scope that these claims contain.The utility model scope required for protection is only limited by described claims.
Claims (8)
1. a ultrasonic cavitation device, is characterized in that, described device comprises: vibration body and reflector, and wherein, described vibration body one end has radiating surface, forms a liquid lamella between described radiating surface and described reflector;
Described vibration body generates ultrasonic wave, enters into described liquid lamella, and form sound field by described radiating surface in described liquid lamella;
Described reflector reflects the ultrasonic wave of described radiating surface radiation, through described reflector and described radiating surface to described hyperacoustic multiple reflections and superposition, sound field in described liquid lamella is strengthened, thus forms the large-area cavitation cloud laterally sprawled along described liquid lamella.
2. ultrasonic cavitation device according to claim 1, is characterized in that, the thickness of described liquid lamella is less than 10 millimeters.
3. ultrasonic cavitation device according to claim 1, is characterized in that, described radiating surface and described reflector are two straight plates positioned opposite or twisted plate.
4. ultrasonic cavitation device according to claim 1, it is characterized in that, also comprise: fixing and adjusting part, described fixing and adjusting part, for described vibration body is fixed on support, regulates described liquid lamella thickness by the adjustable legs of described support.
5. ultrasonic cavitation device according to claim 1, is characterized in that, also comprise: preventing idle load assembly, for disconnecting described vibration body power supply when the liquid in described liquid lamella is less than default amount of liquid.
6. ultrasonic cavitation device according to claim 1, is characterized in that, described vibration body is transducer.
7. ultrasonic cavitation device according to claim 1, is characterized in that, described reflector is glass plate, and described vibration body comprises transducer and poly (methyl methacrylate) plate, forms a liquid lamella between described glass plate and described poly (methyl methacrylate) plate.
8. ultrasonic cavitation device according to claim 1, it is characterized in that, described reflector arranges water inlet and delivery port, sealing ring is provided with between the outer surface of described vibration body and reflector inner surface, inject liquid by water inlet to liquid lamella, by delivery port, the liquid flowed through in liquid lamella is discharged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420469905.9U CN204051659U (en) | 2014-08-19 | 2014-08-19 | A kind of ultrasonic cavitation device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420469905.9U CN204051659U (en) | 2014-08-19 | 2014-08-19 | A kind of ultrasonic cavitation device |
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| CN204051659U true CN204051659U (en) | 2014-12-31 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104138736A (en) * | 2014-08-19 | 2014-11-12 | 中国科学院声学研究所 | Ultrasonic cavitation device |
| CN104971678A (en) * | 2015-07-02 | 2015-10-14 | 中国科学院声学研究所 | Coupled cavitation apparatus |
| CN105381769A (en) * | 2015-12-08 | 2016-03-09 | 迈安德集团有限公司 | Device for online cavitation effect adjustment |
-
2014
- 2014-08-19 CN CN201420469905.9U patent/CN204051659U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104138736A (en) * | 2014-08-19 | 2014-11-12 | 中国科学院声学研究所 | Ultrasonic cavitation device |
| CN104138736B (en) * | 2014-08-19 | 2016-08-31 | 中国科学院声学研究所 | A kind of ultrasonic cavitation device |
| CN104971678A (en) * | 2015-07-02 | 2015-10-14 | 中国科学院声学研究所 | Coupled cavitation apparatus |
| CN104971678B (en) * | 2015-07-02 | 2017-06-27 | 中国科学院声学研究所 | One kind coupling cavitation process device |
| CN105381769A (en) * | 2015-12-08 | 2016-03-09 | 迈安德集团有限公司 | Device for online cavitation effect adjustment |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141231 Effective date of abandoning: 20160831 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20141231 Effective date of abandoning: 20160831 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |