CN1046869C - Multi-function high-flow ultrasonic spray system and its application thereof - Google Patents
Multi-function high-flow ultrasonic spray system and its application thereof Download PDFInfo
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- CN1046869C CN1046869C CN92108648A CN92108648A CN1046869C CN 1046869 C CN1046869 C CN 1046869C CN 92108648 A CN92108648 A CN 92108648A CN 92108648 A CN92108648 A CN 92108648A CN 1046869 C CN1046869 C CN 1046869C
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Abstract
The present invention relates to a multifunctional ultrasonic spraying system with large flow rate and high efficiency, and belongs to fields of acoustic ultrasonic spraying and superfine powder preparation engineering. The spraying system is composed of a piezoelectric ultrasonic concentrator with peculiar concept, simple structure, easy processing and high efficiency, and a power ultrasonic generator with novel design. The spraying system is matched with fluid circulation networks with reasonable travel and different structures to form an aging perfume regulating device for brewing wine, vinegar and perfume, a chemical reactor with esterification reaction, and a refining device for ceramic powder, polymeric high molecules, etc. The spraying system has the characteristics of large spraying flow rate, controllable size of mist drops, low energy consumption, no noise, small volume and light weight. The power generator has the advantages of large parameter regulation range, wide application, low cost, etc.
Description
The present invention relates to a kind of multi-function high-flow ultrasonic sprayer unit, belong to acoustics ultrasonic atomizatio and superfine powder preparation engineering technical field, have important use to be worth in this field.
Superfine powder preparation and ultrasonic organic synthesis are the forward position research topics in modern material science and the phonochemistry application.Formed ultrasonic cavitation effect is for studying phonochemistry and carrying out the superfine powder preparation and created extreme high temperature, condition of high voltage on liquid and solid interface because high power is ultrasonic, and the ultrasonic atomizatio technology of using the big flow of strong amplitude is may realize above-mentioned purpose fully.Ultrasonic spray system utilizes the high power ultrasonic wave to act on the liquid medium exactly, and produces the atomising device of cavitation effect on the amplitude transformer radiating surface.Commercially available medical ultrasonic atomizer.Its specificity of the ultrasonic ink discharge device of ultrasonic spraying burner, mimeograph (referring to patent CN87100781, CN85107669, JP62221462, US4352429) of family expenses humidifier and patent documentation record is strong, only be suitable for dry nebulization water, diesel oil, printing ink etc. respectively, and spraying system flow little (in＜1 liter/hour) can't be applicable to production.In recent years also have ultrasonic cell disintegrator, immersion sonochemistry reactor also because of cost an arm and a leg, the power consumption height, noise is big, supersonic concentrator easily generates heat, nebulization efficiency is low, can not long-time running thereby can not on industrial production, apply.
The object of the present invention is to provide the ultrasonic spray apparatus of a kind of multi-functional, big flow (in 〉=20 liters/hour).To solve many shortcomings of existing ultrasonic spray apparatus, realize that mist flow is big, function is many, low in energy consumption, noise is little, supersonic concentrator and power power-supply long-term operation are reliable and stable, but be suitable for also extensive use of suitability for industrialized production.
Complete unit of the present invention is by the supersonic concentrator I, and three parts of the fluid system III of power ultrasonic generator II and controllable flow rate are formed.Wherein the core component A of supersonic concentrator is by two piezoelectric ceramic pieces (3), and electrode (4) and the sandwich type structural that metal bezel plate (2) and metal back cover plate (5) (comprising clamp nut (6)) constitute are arranged therebetween, it is characterized in that:
(1) centre of the core component A of ultrasonic transducer I is fluid passage (7), atomizing end face (1) is positioned at the small end face of amplitude transformer, whole amplitude transformer is the odd-multiple of λ/2 oscillators or λ/4, is the surface area of Enhanced Radiation Reduced Blast face, and atomizing end face (1) is processed into multiple shape;
(2) core component of ultrasonic power generator II is power ultrasonic generator B, be to produce the adjustable pulse signal of frequency stabilization by accurate waveform generator (11), export through drive circuit (12), the power amplification circuit (13) that the square wave driving signal promotion is made up of the VMOS device, signal output is added on the piezoelectric vibrator through matching network (14), and produces strong amplitude on ultrasonic nozzle A, through modulated scanning control circuit (15), control wave generator (11) is done frequency sweep output;
(3) the fluid system III of controllable flow rate is formed by the Temperature controlled heater F of fluid pump C, the container D of flow-controllable, electric mixer E, band magnetic stirring apparatus and for the pipeline G that fluid or slurry flow; The side of container D is equipped with the supersonic concentrator I, opposite side and pipeline G join, and borrow the power line of supersonic concentrator I to link to each other with ultrasonic power generator II, and container D is born in above the temperature control heater F of belt stirrer, the centre is inserted with electric mixer E, constitutes the circulatory system.
Below in conjunction with accompanying drawing major technique content of the present invention is described.Fig. 1 is the configuration schematic diagram of ultrasonic spray apparatus of the present invention.1 is supersonic concentrator among the figure, and its core component is shower nozzle A, and II is the power ultrasonic generator, and core component is power ultrasonic generator B.III is the circulatory system of controllable flow rate.Division is as follows, and Fig. 2 is shower nozzle A
1Structural representation, it has electrode 4 therebetween by two piezoelectric ceramics 3, forms sandwich type structural with it by front shroud 2, back shroud 5 (comprising clamp nut 6).The centre is fluid passage 7, and atomizing end face 1 is positioned at the small end face of amplitude transformer, and whole amplitude transformer is the odd-multiple of λ/2 oscillators or λ/4.In order to reach big mist flow to adapt to industrial needs.Adopted three technical measures, (1) is calculated and is processed in strict accordance with the composite oscillator of λ/2 or λ/4 integral multiples, makes the amplitude on the amplitude transformer radiating surface reach tens microns.(2) when guaranteeing that enough big driving acoustical power is arranged, enlarge the main channel internal diameter, to increase the unit interval flow.(3) surface area of appropriate Enhanced Radiation Reduced Blast face adopts A
2, A
3, A
4Shown structure, (see Fig. 3,4,5 they be respectively shower nozzle A
2, A
3, A
4Structural representation).A
2Atomizing end face nozzle be processed into the spiral helicine atomizing face 8 of expansion, A
3The atomizing end face be processed into the little atomizing end face 1 of band external spiral shape.Several apertures 9 that evenly distribute thereon, and be connected with fluid main channel 7.A
4Atomizing end face 1 back side top an outstanding upright porous road 10 is set, be one road fluid, inject the back side of atomizing end face through the porous passage aisle, form two-sided radiation, increase atomization quantity.In order to prepare the various different fine grained ceramic powders of forming, atomizing end face and inwall plasma spraying of wearable coating are to prevent wearing and tearing and corrosion.
II is to provide high power for supersonic concentrator A for broadband, low-power consumption, its effect of power ultrasonic generator B (seeing Fig. 1 and Fig. 6) that output impedance is adjustable partly, frequency tuning is to the driving signal of piezoelectric vibrator resonant frequency, make the amplitude transformer width of cloth penetrate the amplitude that face produces tens microns, be atomized thereby various fluid media (medium)s are penetrated on the face at the width of cloth, perhaps carry out phonochemical reaction.It is provided by power ultrasonic generator Fig. 6.5 component units, accurate waveform generator 11, drive circuit 12, power amplification circuit 13, matching network 14, modulation scanning control circuit 15 are arranged among Fig. 6, and A is a shower nozzle among the figure.For reaching the complete machine working stability, in accurate waveform generator circuit design, adopted special IC, to produce frequency stabilization.And be not subjected to the pulse signal of external power influence of fluctuations.It is wide to have operating frequency range simultaneously, the characteristics of output impedance varying.In the power amplification circuit design, selected for use the VMOS device to replace common transistor device.Improved the switching speed of complete machine.Reduced power consumption.Reliable.And volume is little.Power amplifier has adopted and has recommended the power comprise network simultaneously, thereby power utilization rate height, and low in energy consumption, device is not fragile.In order to improve supersonic concentrator spraying stability and nebulization efficiency and to reduce power consumption, adopted the matching network of series inductance.Designed modulation scanning control circuit 15 simultaneously, control waveform generator 11 is done frequency sweep output, supersonic concentrator A is produced do not influence the faint irregular oscillation of master oscillator frequenc, be adsorbed on liquid or slurry on the radiation end face, whole system can be moved continuously with removal.
III partly keeps not vulnerable to pollution of continuous operation and slurry and solution for the fluid system (see figure 1) of controllable flow rate.C is the fluid pump of flow-controllable among the figure; As peristaltic pump, gear pump, D is container (glass, stainless steel, plastics), and E is an electric mixer; F is the Temperature controlled heater of band magnetic agitation; G is the flow duct of liquid or slurry liquid, the various fluid media (medium)s that native system can make the continuous operation of whole device be atomized are atomized in container D and carry out phonochemical reaction, fluid pumping action by flow-controllable, the fluid that is atomized into behind the phonochemical reaction is circulated through supersonic concentrator after pipeline G sucks once more, carry out phonochemical reaction and reach goal of the invention thereby be atomized into once more by shower nozzle A.
Native system can be selected with different combinations according to suitable needs:
A, B, C, D, F combination.Constitute the ullrasonic spraying chemical reactor;
A, B, C, D, E combination.Constitute super superfine powder refinement device;
A, B, C, D combination.Constitute the ageing perfume compounding device of all kinds of wine brewing, wine vinegar, beverage and perfume.
Effect of the present invention is as follows:
1. the supersonic concentrator length piezoelectricity amplitude transformer more general than prior art of the present invention's development shortens half, and simple in structure.The nebulization efficiency height.
2. owing to the multiple design of supersonic concentrator and whole system, strengthened the Oscillation Amplitude of radiating surface, it is long-pending to have increased atomization surface, has improved the ullrasonic spraying flow, can reach more than 20 liters/hour, can remove the liquid or the slurry that adsorb on the radiating surface automatically.
3. the broadband that designs among the present invention, the ultrasonic spraying burner of the ultrasonic generator of low-power consumption and patent documentation record, commercially available atomizer for medicine has been compared advantages such as operating frequency range is wide, low in energy consumption, load capacity is strong, can mate with the amplitude transformer of different operating frequency, different resistance values well, a tractor serves several purposes, cost is low, is shown in Table 1.
4. the present invention has extensive use at acoustics ultrasonic atomizatio and superfine powder preparation engineering field: phonochemistry is used (drinks ageing, perfume slaking, ester class phonochemistry are synthesized) ceramic powder preparation etc.
5. but utilize the also various animal housings of dispersion and fining of native system.As prepare shrimp shell meal, crab shell powder, pearl powder, fishbone dust etc., and also can be used for preparing the nylon of ultra-fine grain, polyethylene powder etc. can be used for the additive in the flour milling cosmetic cream.
Table 1 be the present invention compared with the prior art, by table visible substantive distinguishing features of the present invention and obvious improvement.
Table 1, the present invention and prior art performance are relatively
| Compare instrument performance | The ultrasonic generator of using on the common atomizer | Power ultrasonic generator on this patent |
| Operating frequency range | With single-frequency work, frequency is unadjustable | (20-100KHz) frequency of can working in wider frequency range is conveniently adjusted |
| Power consumption | Power consumption is big | Power consumption is the former 1/2-1/3 |
| Load capacity | Be with single supersonic concentrator | Can be with a plurality of supersonic concentrator a tractor serves several purposes |
| Spraying stability | Poor stability has interrupted phenomenon | Good stability, operation continuously |
| Impedance ranges | Fixing | Adjustable |
The present invention has following accompanying drawing:
Fig. 1 is the schematic diagram of multi-function high-flow ultrasonic atomising device provided by the invention, and it is made up of the fluid system III of supersonic concentrator I, ultrasonic power generator II, controllable flow rate.Wherein the core component of supersonic concentrator I is shower nozzle A, the core component of ultrasonic power generator II is ultrasonic power generator B, and the fluid system III of controllable flow rate is formed by the chance control heater F of fluid pump C, the container D of flow-controllable, electric mixer E, band magnetic stirring apparatus and for the pipeline G that fluid or slurry flow;
Fig. 2 is a kind of version (A of shower nozzle A
1), 1. atomizing end face, 2. metal bezel plate, 3. two piezoelectric ceramic pieces, 4. electrode, 5. metal back cover plate, 6. clamp nut, 7. fluid passages among the figure.
Fig. 3 is a kind of version (A of shower nozzle A
2), 1. atomizing end face, 2. metal bezel plate, 3. two piezoelectric ceramic pieces, 4. electrode, 5. metal back cover plate, 6. clamp nut, 7. fluid passage, the 8. spiral helicine atomizing end faces of Kuo Daing among the figure.
Fig. 4 is a kind of version (A of shower nozzle A
3), 1. atomizing end faces among the figure, 2. metal bezel plate, 9. the atomizing end face of band external spiral shape.
Fig. 5 is a kind of version (A of shower nozzle A
4), 1. atomizing end faces among the figure, 2. the metal bezel plate 10. hangs upright porous road.
Fig. 6 is the formation schematic diagram of power ultrasonic generator B, 11. control wave generators among the figure, 12. drive circuits, 13. power amplification circuits, 14. matching networks, 15. modulated scanning control circuits, A. shower nozzle.
Further specify characteristics of the present invention and application thereof by following example:
(1) configuration of ultrasonic atomizing device:
Whole device is made up of fluid system III three parts of supersonic concentrator I, power ultrasonic generator II and controllable flow rate.
(1) supersonic concentrator 1 has electrode 4 therebetween by two piezoelectric ceramic pieces 3, constitutes sandwich piezoelectricity amplitude transformer with metal bezel plate 2 and metal back cover plate 5 (comprising clamp nut 6), and the centre is fluid passage 7, and the small end face that atomizing end face 1 is positioned at amplitude transformer utilizes Fig. 3 A
2Structure.
(2) power ultrasonic generator B: produce the adjustable pulse signal of frequency stabilization by accurate waveform generator 11, through drive circuit 12 outputs, the power amplification circuit 13 that the square wave driving signal promotion is made up of the VMOS device, signal output is through matching network 14, be added on the piezoelectric vibrator, and on ultrasonic nozzle A, produce strong amplitude, through modulated scanning control circuit 15, the control waveform generator is done frequency sweep output.
(3) the fluid system III of controllable flow rate is to use peristaltic pump, container to use stainless steel by flow-controllable fluid pump C present embodiment, the Temperature controlled heater of electric mixer E and band magnetic agitation down and pipeline G constitute.
This device is by power ultrasonic generator II, for the core component shower nozzle A3 of supersonic concentrator 1 provides high power, the frequency tuning driving signal to piezoelectric vibrator resonance, thereby the amplitude that makes the amplitude transformer radiating surface produce tens microns is atomized into various fluid media (medium)s on radiating surface carries out phonochemical reaction, forms a circulating flowing device with the fluid system III of controllable flow rate.
Constitute ageing perfume compounding device or ester through chemical reactor by A shown in Figure 1, B, C, D and F.
1, drinks ageing
(1) the general song (secondary in the Yanghe River, 55 °) after the ultrasonic aging circulation, test center analyzes with gas chromatograph by the Shanghai grain and oil, confirm that acetaldehyde obviously reduces in the liquor, ethyl hexanoate, ethyl lactate increase (seeing Table 2) to some extent, thereby have improved the piquant taste of liquor, increase pure fragrance, improved the quality of liquor.
Table 2, drinks ultrasonic aging effect
| The relative amount disposition | Ethyl hexanoate (%) | Ethyl lactate (%) |
| Not ultrasonic processing | 0.3606 | 0.1212 |
| Ultrasonic secondary | 0.4332 | 0.1781 |
| Ultrasonic four times | 0.4928 | 0.3651 |
(2) Suzhou brewery of Wu production Jiangsu wine (＞16 °) is identified by this engineering department of factory through ultrasonic aging circulation three times, is equivalent to the quality that this wine was stored 3 years.This wine exports Japan throughout the year.
2. perfume slaking
Under household chemicals four factories in Shanghai support.Get freshly prepared Gulong perfume and carry out the ultrasonic atomizatio processing, after identifying that affirmation is handled, the Gulong perfume smell is soft, has reduced excitant.
3. the phonochemistry of ethyl acetate is synthetic
Under the cooperation of Shanghai organic chemistry research institute, equimolar amounts glacial acetic acid and absolute ethyl alcohol are mixed, do not adding H
2SO
4Handle through ultrasonic atomizatio under catalyst and the room temperature condition.Generation has the ethyl acetate of banana flavor.
This device formally is used for research work at present.Replaced the former experiments instrument,
(3) superfine powder technology of preparing:
Superfine powder refinement device is made up by A, B, C, D, E among Fig. 1, and fluid pump C can use gear pump.
1. polytetrafluoroethylpowder powder
The Tetlon powder that 80 mesh sieve of learning from else's experience sieve is mixed with the ethanolic solution of 20% (W/V), drops in the D container, stirs with the circulation conveying and carries out ullrasonic spraying, and it the results are shown in Table shown in 3.
Table 3, the ultrasonic preparation effect of polytetrafluoroethylpowder powder
| Ultrasonic cycle-index | |||||
| Ultrasonic situation | Not ultrasonic | 1 | 2 | 4 | 8 |
| Average grain diameter | 10-15μ | 8μ | 6μ | 4μ | 2-3μ |
2. ceramic powder preparation
The semiconductive ceramic powder that 20 mesh sieves of learning from else's experience are crossed is mixed with the ethanolic solution of 15% (W/V).Drop in the D container, stir with the circulation conveying and spray.Before the ultrasonic atomizatio processing, the following particle of particle diameter 1 μ m accounts for 20% of sum, the following particle of 1 μ m accounts for 80% of sum after treated, has tangible pulverization, carry out grading analysis with electron probe simultaneously, after ultrasonic atomizatio was handled, image found out that obviously particle diminishes, it is few to reunite, good dispersion.Shown that fully ultrasonic atomizatio has tangible effect for the preparation superfine powder.
The end face of supersonic concentrator is sprayed one deck wear-resistant coating with plasma spraying technology, and then native system can be used for hard powders such as dispersion and fining silicon nitride, zirconia.
But utilize the also various animal housings of dispersion and fining of native system, as shrimp shell meal, crab shell powder, pearl powder, fishbone dust etc. can also prepare the nylon of ultra-fine grain, and polyethylene powder etc. can be used for the additive in the flour milling cosmetic cream.
Claims (7)
1, a kind of multi-function high-flow ultrasonic atomising device, fluid system III by supersonic concentrator I, ultrasonic power generator II, controllable flow rate is formed, wherein the core component A of supersonic concentrator is by two piezoelectric ceramic pieces (3), electrode (4) and the sandwich type structural that metal bezel plate (2) and metal back cover plate (5) (comprising clamp nut (6)) constitute are arranged therebetween, it is characterized in that
(1) centre of the core component A of ultrasonic transducer I is fluid passage (7), atomizing end face (1) is positioned at the small end face of amplitude transformer, whole amplitude transformer is the odd-multiple of λ/2 oscillators or λ/4, is the surface area of Enhanced Radiation Reduced Blast face, and atomizing end face (1) is processed into multiple shape;
(2) core component of ultrasonic power generator II is power ultrasonic generator B, be to produce the adjustable pulse signal of frequency stabilization by accurate waveform generator (11), export through drive circuit (12), the power amplification circuit (13) that the square wave driving signal promotion is made up of the VMOS device, signal output is added on the piezoelectric vibrator through matching network (14), and produces strong amplitude on ultrasonic nozzle A, through modulated scanning control circuit (15), control wave generator (11) is done frequency sweep output:
(3) the fluid system III of controllable flow rate is formed by the Temperature controlled heater F of fluid pump C, the container D of flow-controllable, electric mixer E, band magnetic stirring apparatus and for the pipeline G that fluid or slurry flow; The side of container D is equipped with the supersonic concentrator I, opposite side and pipeline G join, and borrow the power line of supersonic concentrator I to link to each other with ultrasonic power generator II, and container D is born in above the temperature control heater F of belt stirrer, the centre is inserted with electric mixer E, constitutes the circulatory system.
2,, it is characterized in that the supersonic concentrator I adopts A according to the ultrasonic spray apparatus of claim 1
2Structure, A
2Atomizing end face nozzle be processed into the spiral helicine atomizing end face (8) of expansion.
3,, it is characterized in that the supersonic concentrator I adopts A according to the ultrasonic spray apparatus of claim 1
3Structure
(1) A
3The atomizing end face be processed into the atomizing end face of band external spiral shape;
(2) the even on every side a plurality of apertures that distribute of end face (1) are connected with fluid main channel (7).
4,, it is characterized in that the supersonic concentrator I adopts A according to the ultrasonic spray apparatus of claim 1
4Structure, at the back side of atomizing end face (1), other is provided with an outstanding upright porous road (10), another road fluid is injected the back side of atomizing end face by the porous passage aisle.
5, according to the ultrasonic spray apparatus of claim 1, it is characterized in that power ultrasonic generator B, adopt the power synthesis circuit of recommending with VMOS device composition.
6,, it is characterized in that power amplification circuit (13) adopts to recommend the power comprise network by the described ultrasonic spray apparatus of claim 1.
7,, it is characterized in that the fluid pump C in the fluid means of described controllable flow rate is peristaltic pump, the gear pump of flow-controllable by the described ultrasonic spray apparatus of claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN92108648A CN1046869C (en) | 1992-11-30 | 1992-11-30 | Multi-function high-flow ultrasonic spray system and its application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN92108648A CN1046869C (en) | 1992-11-30 | 1992-11-30 | Multi-function high-flow ultrasonic spray system and its application thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1089889A CN1089889A (en) | 1994-07-27 |
| CN1046869C true CN1046869C (en) | 1999-12-01 |
Family
ID=4943738
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN92108648A Expired - Fee Related CN1046869C (en) | 1992-11-30 | 1992-11-30 | Multi-function high-flow ultrasonic spray system and its application thereof |
Country Status (1)
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101613275B (en) * | 2009-03-11 | 2013-04-10 | 云南玉溪环腾科工贸有限公司 | Method for producing glyceryl triacetate by atomizing raw materials |
| CN101773893B (en) * | 2010-03-11 | 2012-03-28 | 清华大学 | Combined ultrasonic atomizing device |
| CN102210936B (en) * | 2011-06-03 | 2013-11-13 | 浙江大学 | Liquid evaporator with ultrasonic atomization and temperature control functions |
| CN102500502B (en) * | 2011-10-10 | 2016-02-10 | 苏州科技学院 | A kind of two-stage ultrasonic vibration atomizer |
| CN105750263B (en) * | 2016-02-04 | 2018-11-30 | 湖北瑜晖超声科技有限公司 | A kind of heat exchanger cooling pipe ultrasonic cleaning equipment |
| CN106972779B (en) * | 2017-05-18 | 2024-01-09 | 江苏鱼跃医疗设备股份有限公司 | Piezoelectric ceramic spraying sheet driving circuit controlled by single chip microcomputer |
| CN107803297A (en) * | 2017-11-16 | 2018-03-16 | 叶志徐 | A kind of integrated ultrasonic atomizing device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0217518A1 (en) * | 1985-09-05 | 1987-04-08 | Delavan Inc | Ultrasonic spray nozzle and method |
| JPS631476A (en) * | 1986-06-20 | 1988-01-06 | Tdk Corp | Liquid atomizing apparatus |
| CN2078199U (en) * | 1990-06-15 | 1991-06-05 | 蒋隽 | Multipurpose protable ultrasonic atomizer |
-
1992
- 1992-11-30 CN CN92108648A patent/CN1046869C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0217518A1 (en) * | 1985-09-05 | 1987-04-08 | Delavan Inc | Ultrasonic spray nozzle and method |
| JPS631476A (en) * | 1986-06-20 | 1988-01-06 | Tdk Corp | Liquid atomizing apparatus |
| CN2078199U (en) * | 1990-06-15 | 1991-06-05 | 蒋隽 | Multipurpose protable ultrasonic atomizer |
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| Publication number | Publication date |
|---|---|
| CN1089889A (en) | 1994-07-27 |
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