CN111715440A - Full-automatic ultrasonic dry chemical multilayer film preparation equipment - Google Patents
Full-automatic ultrasonic dry chemical multilayer film preparation equipment Download PDFInfo
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- CN111715440A CN111715440A CN202010630583.1A CN202010630583A CN111715440A CN 111715440 A CN111715440 A CN 111715440A CN 202010630583 A CN202010630583 A CN 202010630583A CN 111715440 A CN111715440 A CN 111715440A
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- 239000000126 substance Substances 0.000 title claims abstract description 18
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 239000007788 liquid Substances 0.000 claims abstract description 48
- 238000001816 cooling Methods 0.000 claims abstract description 32
- 239000007921 spray Substances 0.000 claims abstract description 31
- 238000007493 shaping process Methods 0.000 claims abstract description 14
- 238000000889 atomisation Methods 0.000 claims abstract description 10
- 238000012544 monitoring process Methods 0.000 claims abstract description 7
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Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B17/00—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups
- B05B17/04—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods
- B05B17/06—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations
- B05B17/0607—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations generated by electrical means, e.g. piezoelectric transducers
- B05B17/0653—Details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/16—Arrangements for controlling delivery; Arrangements for controlling the spray area for controlling the spray area
- B05B12/18—Arrangements for controlling delivery; Arrangements for controlling the spray area for controlling the spray area using fluids, e.g. gas streams
Landscapes
- Nozzles (AREA)
- Special Spraying Apparatus (AREA)
Abstract
The invention relates to the field of inspection reagent processing, in particular to full-automatic ultrasonic dry chemical multilayer film preparation equipment. The device comprises a gas supply system, a liquid supply system, an ultrasonic atomization system, a PLC control system, a module motion system and a temperature monitoring control system. The air chamber is characterized in that an air chamber of the air supply system is of an inverted L shape and comprises an air inlet, a cooling chamber and an air outlet, a flow guide baffle plate is arranged in the middle of the inside of the cooling chamber, a piezoelectric transducer and a part of amplitude transformer penetrate through the lower part of the cooling chamber to be tightly connected with the wall of the cooling chamber in a sealing mode and form a certain angle of horizontal or downward inclination, the air outlet of the air chamber is perpendicular to the horizontal plane and is used for shaping air, and the supplied air. The invention realizes the ultrasonic spraying of the dry chemical multilayer film reagent sheet, and achieves the purposes of preventing the solution to be sprayed from being heated and denatured, continuously working the ultrasonic spray head for a long time, expanding the spray range and improving the production efficiency. The PLC control system improves the intelligent level of equipment and realizes automatic spraying of the dry chemical multilayer film.
Description
Technical Field
The invention relates to the field of inspection reagent processing, in particular to full-automatic ultrasonic dry chemical multilayer film preparation equipment.
Background
The dry chemical reagent is one kind of test reagent, and is one kind of test reagent with liquid in the tested sample as reaction medium and the tested matter reacted directly with the dry powder reagent solidified on the carrier. Compared with wet biochemical detection, dry biochemical detection is simple and convenient to operate, does not need professional personnel, consumes short time, and is suitable for field detection, emergency treatment detection, point of care (POCT) and family detection. With the progress of enzyme separation and purification technology, the development of photoelectric detection technology and computer application technology, the dry chemical detection technology has great progress, and the detection accuracy is almost comparable to that of wet chemical detection.
The currently applied manufacturing methods of the dry chemical reagent tablets are mainly divided into three types: one is to coat different reagent layers on a transparent carrier, namely a multilayer film dry sheet technology; the second is to place a reaction layer made of fiber products as carriers on the transparent layer in sequence; the third one is also using fiber product as carrier, the object to be measured is reacted with reagent after being filtered transversely.
The multilayer film dry sheet technology is a dry chemical technology with the highest detection accuracy at present, the key point of the technology is the preparation of formulas of different reagent layers and a uniform reagent layer, and the formula of the reagent layer is matched with a production process to produce a more uniform product while meeting the detection requirement, so that the requirement of consistency of detection results is met. The Qiangsheng company is the main manufacturer of dry chemical reagent sheets in the world, applies the production process of the photosensitive film to the production of the dry chemical reagent sheets, and the produced dry chemical reagent sheets have stable performance and high result reproducibility and are widely applied to the field of rapid detection. However, the production process of the photosensitive film is complex and is a patent technology of Qiangsheng corporation, the coating process used in the production process needs to strictly control the extrusion speed of the coating and the running speed of the object to be coated, continuous operation is needed, the equipment requirement and the technical requirement threshold are high, and the popularization of the multilayer film dry chemical technology in China is restricted. In addition, the preparation process of the multilayer film such as leveling, hanging, rolling and bonding and the like is available, but the processing precision is not as good as that of the photosensitive film production process, and the market ratio is far lower than that of the strong dry chemical reagent film.
Through long-term exploration on a preparation process of a dry chemical reagent, a spraying process, namely an ultrasonic atomization spraying technology, can be innovatively applied to preparation of a dry chemical reagent tablet through certain process improvement and matched equipment research and development. The ultrasonic atomizing spray technology is a spray technology which is carried out by utilizing the ultrasonic atomizing technology, an ultrasonic atomizing horn is a hollow structure, coating or shaping gas is led through a middle passage, the coating to be sprayed is finally atomized into micron-sized liquid drops under the action of high-frequency vibration on the top end of the horn to generate a cavitation effect or a capillary wave effect, the liquid drops are uniformly coated on the surface of a base material under the drive of a certain amount of shaping gas, and a nano-scale coating or film is formed after drying. The ultrasonic atomization spraying process is widely applied to the preparation fields of thin-film solar cells, fuel cells, solar cell panels, super capacitors, heart stent drug coatings, nano thin-film coatings and the like.
The ultrasonic atomization spraying particles are as small as several microns, the spraying precision is high, the spraying thickness can be accurately controlled, and the coating uniformity and the raw material utilization rate are high.
Although the ultrasonic spraying equipment is simple, the operation is simple and convenient, and the spraying precision is high, in the ultrasonic atomization spraying process, the piezoelectric transducer and the amplitude transformer can generate a large amount of heat due to high-frequency vibration, and the enzyme, the antigen antibody and the like used in the dry chemical reagent are not high-temperature resistant, so that the heating of the liquid to be sprayed needs to be strictly controlled to avoid the inactivation of the raw materials. The common amplitude transformer is cooled by liquid or gas flowing in the middle of the amplitude transformer, so that the heat exchange area is small and the cooling effect is poor. The low-heating ultrasonic spray head in the current market is mainly used for spraying a medicine coating on a cardiac stent, and liquid to be sprayed is conveyed to the top end of the spray head through an independent liquid supply system, so that the liquid is prevented from being heated. Although this solves the problem of heating of the coating, the maximum spray width is only 5 mm. The variable amplitude rod is of a hollow structure and is a shaping gas channel, the tail end of the variable amplitude rod is required to be used for atomizing liquid to be sprayed, the spraying uniformity can be influenced by increasing the diameter of the variable amplitude rod, and therefore the diameter of the variable amplitude rod and the size of the hollow channel cannot be changed at will. The low-heat-exposure spray head has too small spray amplitude and too low spray efficiency, and is not suitable for large-scale industrial production of dry chemical reagent sheets, which greatly limits the application of the low-heat-exposure spray head in the production of the dry chemical reagent sheets. And the shaping gas is delivered to the upper part of the spray head through an independent gas supply system, and the gas is converged at the tip of the amplitude transformer and then dispersed into a fan shape under the guidance of a special-shaped component. The independent air supply spray head achieves the purpose of expanding spray width, greatly improves production efficiency, but cannot avoid heating liquid because the liquid flows through the hollow passage of the amplitude transformer.
Disclosure of Invention
Based on the reasons, the invention discloses full-automatic ultrasonic dry chemical multilayer film preparation equipment, which realizes the spraying of dry chemical multilayer film reagent sheets by ultrasonic waves and achieves the purposes of preventing the solution to be sprayed from being heated and denatured, expanding the spraying range and improving the production efficiency. The PLC control system improves the intelligent level of equipment and realizes automatic spraying of the dry chemical multilayer film. In order to achieve the purpose, the invention provides the following technical scheme:
a full-automatic ultrasonic dry chemical multilayer film preparation device comprises a gas supply system, a liquid supply system, an ultrasonic atomization system, a PLC control system, a module motion system and a temperature monitoring control system. The air supply system comprises an air pump/air bottle, air refrigeration equipment, an air delivery pipeline and an air chamber; the liquid supply system comprises a liquid pump and a liquid conveying pipeline; the ultrasonic atomization system comprises an ultrasonic generator, an ultrasonic power supply signal wire and an ultrasonic spray head, wherein the ultrasonic spray head comprises a piezoelectric transducer and an amplitude transformer; the temperature monitoring and controlling system comprises a cleaning device temperature detecting and controlling system and a spray head temperature monitoring system. The air chamber is characterized in that an air chamber of the air supply system is of an inverted L shape and comprises an air inlet, a cooling chamber and an air outlet, a flow guide baffle plate is arranged in the middle of the inside of the cooling chamber, a piezoelectric transducer and a part of amplitude transformer penetrate through the lower part of the cooling chamber to be tightly connected with the wall of the cooling chamber in a sealing mode and form a certain angle of horizontal or downward inclination, the air outlet of the air chamber is perpendicular to the horizontal plane and is used for shaping air, and the supplied air.
The piezoelectric transducer and part of the amplitude transformer form an included angle of 0-35 degrees with the horizontal plane.
The supplied gas is a cryogenic gas.
The ultrasonic nozzle transducer may have a porous housing or no housing.
The horn may be a solid rod or a hollow rod, preferably a solid rod.
The gas enters the cooling chamber through the gas inlet, flows downwards from one side of the flow guide baffle plate, flows through the piezoelectric transducer and part of the amplitude transformer after reaching the bottom of the cooling chamber, flows upwards again through the piezoelectric transducer and part of the amplitude transformer, flows to the gas outlet from the other side of the flow guide baffle plate, and is ejected after being shaped. The shaping gas flows through the top end of the amplitude transformer to cool the spray head for the second time, and simultaneously drives the atomized liquid drops to move and shape the atomized liquid drops, and then the shaping gas and the atomized liquid drops are sprayed to the surface of an object to be sprayed. The structure simultaneously realizes the cooling of the piezoelectric transducer and the amplitude transformer and the shaping of atomized liquid drops. The air chamber flows around to cool the cooling efficiency of the energy converter and the amplitude transformer to the maximum, and the sprayed molding gas is used for secondary cooling of the spray head, so that the ultrasonic spray head can work continuously for a long time.
The supplied gas is low-temperature gas, so that the heat exchange efficiency can be increased, and the temperature of the ultrasonic spray head is prevented from being too high.
The piezoelectric transducer and the amplitude transformer part of the ultrasonic sprayer can use a porous outer cover, so that low-temperature gas can freely flow into the surfaces of the piezoelectric transducer and part of the amplitude transformer to realize the cooling effect, and the piezoelectric transducer and the amplitude transformer are sealed and fixed with the wall of the cooling chamber through the porous outer cover; when the piezoelectric transducer and the amplitude transformer do not use a housing, the cooling chamber is equivalent to the housing of the piezoelectric transducer and the amplitude transformer, and low-temperature gas flows on the surfaces of the piezoelectric transducer and part of the amplitude transformer to cool the piezoelectric transducer and part of the amplitude transformer.
The traditional amplitude transformer is a hollow rod, and the inside of the traditional amplitude transformer can be filled with shaping gas or liquid to be sprayed. The shaping gas and the liquid to be sprayed are also responsible for cooling the amplitude transformer and the piezoelectric transducer. However, the internal pipeline is narrow, the heat exchange area is small, and the temperature of the amplitude transformer and the piezoelectric transducer can be gradually increased along with the extension of the working time, so that the amplitude transformer and the piezoelectric transducer are not suitable for working for a long time. The piezoelectric transducer and the amplitude transformer are fixed in the cooling chamber, so that the external cooling of the cooling chamber can be realized, the heat exchange area is increased, the heat exchange efficiency is also increased by using cooling gas, and even if the liquid to be sprayed is moved inside the hollow passage of the amplitude transformer, the liquid cannot be denatured due to overhigh temperature. The horn may thus be either a hollow or solid rod. When the amplitude transformer is a solid rod, an independent external liquid conveying pipeline to be sprayed is required to be added, and the liquid to be sprayed is supplied to the top end of the amplitude transformer for atomization. Compared with a hollow rod, the solid rod has low processing degree and longer service life; the atomizing area is bigger, and the atomizing efficiency is higher.
The liquid to be sprayed is delivered to the top end of the amplitude transformer through an independent external liquid delivery pipeline to be sprayed or a hollow passage of the amplitude transformer, and is subjected to the action of ultrasonic waves to generate a cavitation effect or a capillary wave effect, and is finally atomized into liquid drops with the diameter less than 20 micrometers, and the liquid drops are uniformly sprayed on the surface of an object to be sprayed under the drive of shaping gas. The maximum heating temperature of the spraying liquid is less than 30 ℃.
Through the invention, the heat exchange area is increased by the porous outer cover or the structure without the outer cover of the piezoelectric transducer, and the heat exchange efficiency is improved; the low-temperature shaping gas cools the piezoelectric transducer and the amplitude transformer, so that the heating of the liquid to be sprayed is reduced; the PLC system is used for controlling, so that the automation level is improved; the application of low-temperature gas is that piezoelectric transducer and amplitude transformer continuous flow cool down, and spun moulding gas is again for the shower nozzle secondary cooling, has increased the length of time of shower nozzle continuous operation. The combination of these inventions finally realizes the ultrasonic continuityAutomaticThe uniformity, stability and reaction speed of the product reach or even exceed the level of the strong dry chemical reagent sheet when the multilayer film dry chemical reagent sheet is sprayed.
Drawings
FIG. 1 is a full-automatic ultrasonic dry chemical multilayer film preparation apparatus
FIG. 2 is a cross-sectional view of a housing-less piezoelectric transducer gas chamber and a side view thereof
FIG. 3 is a cross-sectional view of a piezoelectric transducer gas chamber with a porous enclosure and a side view thereof
FIG. 4 is a plan view of a baffle
Note: 1. a PLC system; 2. a module motion system; 3. infrared spray head temperature measuring equipment; 4. an air pump; 5. an air cooling device; 6. an electromagnetic valve; 7. a multi-channel syringe pump; 8. an ultrasonic generator; 9. an ultrasonic spray head; 10. an air inlet; 11. a cooling chamber; 12. an air outlet; 13. a flow guide baffle plate; 14. a piezoelectric transducer without a housing; 15. a hollow horn; 16. a piezoelectric transducer having a porous housing; 17. a solid horn; 18. is externally connected with a liquid conveying pipe to be sprayed.
The dotted arrows in fig. 2 and 3 indicate the flow direction of the cooling gas.
Detailed Description
In order that those skilled in the art will better understand the present invention, a clear and complete description of the invention is provided below in conjunction with the appended drawings. The examples are only a part of the present invention, and the present invention includes, but is not limited to, the following examples.
Example one
A full-automatic ultrasonic dry chemical multilayer film preparation device comprises an air pump 4, an air refrigeration device 5, an electromagnetic valve 6, an air supply pipeline, an air chamber, a multichannel injection pump 7, a liquid delivery pipeline, an ultrasonic generator 8, an ultrasonic power signal wire, a housing-free piezoelectric transducer 14, a hollow amplitude transformer 15, a PLC control system 1, a module motion system 2, a cleaning device temperature detection and control system and an infrared spray head temperature measurement device 3.
When the spraying work is started, a worker places the transparent carrier to be sprayed on a workbench, sets the spraying area, the spraying track, the spraying speed and the spraying thickness of different spraying layers through the PLC1, and sets the cleaning program, the drying condition and the drying time after the spraying of each coating layer is finished. Clicking the start button the device simultaneously opens the air supply system solenoid valve 6 and the multi-channel syringe pump 7. After being cooled by the refrigerating equipment 5, the air enters the cooling chamber 11 from the air inlet 10 of the air chamber, flows downwards from the left side of the flow guide baffle 13, passes through the piezoelectric transducer 14 without the outer cover and the partial amplitude transformer 15, flows to the bottom of the cooling chamber 11, flows upwards again through the piezoelectric transducer 14 without the outer cover and the partial amplitude transformer 15, flows to the air outlet 12 from the right side of the flow guide baffle 13, is shaped by the adjustable air atomizing nozzle and is ejected. The liquid to be sprayed reaches the top end of the amplitude transformer 15 through the central pipeline of the amplitude transformer 15 under the action of the injection pump 7, at the moment, the system automatically turns on the ultrasonic generator 8, the infrared spray head temperature measuring equipment 3 starts to work, the amplitude transformer 15 starts to vibrate, and the liquid generates a cavitation effect or a capillary wave effect under the action of high-frequency vibration and is atomized into micron-sized liquid drops. The module moving system 2 drives the ultrasonic spray head 9 to perform spraying operation according to the set moving conditions.
And after the spraying work is finished, the equipment is automatically cleaned. And drying under the set drying condition and drying time, and then spraying the next coating. And the operation is circulated until all the set spraying work is finished.
Example two
A full-automatic ultrasonic dry chemical multilayer film preparation device comprises a liquid nitrogen bottle, an electromagnetic valve 6, an air supply pipeline, an air chamber, a multichannel injection pump 7, a transfusion pipeline, an external liquid delivery pipe 18 to be sprayed, an ultrasonic generator 8, an ultrasonic power signal wire, a piezoelectric transducer 16 with a porous outer cover, a solid amplitude transformer 17, a PLC control system 1, a module motion system 2, a cleaning device temperature detection and control system and an infrared spray head temperature measurement device 3.
When the spraying work is started, a worker places the transparent carrier to be sprayed on a workbench, sets the spraying area, the spraying track, the spraying speed and the spraying thickness of different spraying layers through the PLC1, and sets the cleaning program, the drying condition and the drying time after the spraying of each coating layer is finished. Clicking the start button the device simultaneously opens the air supply system solenoid valve 6 and the multi-channel syringe pump 7. The low-temperature nitrogen enters the cooling chamber 11 through the air inlet 10 of the air chamber, flows downwards from one side of the flow guide baffle 13, passes through the piezoelectric transducer 16 with the porous outer cover and the partial solid amplitude transformer 17, flows upwards again through the piezoelectric transducer 16 and the amplitude transformer 17 after reaching the bottom of the cooling chamber 11, flows to the air outlet 12 from the other side of the flow guide baffle 13, and is ejected after being shaped by the adjustable air atomizing nozzle. When the liquid to be sprayed reaches the pipe orifice of the external liquid conveying pipe 18 to be sprayed, the system automatically turns on the ultrasonic generator 8, the infrared nozzle temperature measuring equipment 3 starts to work, the amplitude transformer 17 starts to vibrate at the moment, the liquid to be sprayed in the external liquid conveying pipe 18 to be sprayed reaches the top end of the amplitude transformer 17, cavitation effect or capillary wave effect is generated under the action of high-frequency vibration, and the liquid to be sprayed is atomized into micron-sized liquid drops. The module moving system 2 drives the ultrasonic spray head 9 to perform spraying operation according to the set moving conditions.
And after the spraying work is finished, the equipment is automatically cleaned. And drying under the set drying condition and drying time, and then spraying the next coating. And the operation is circulated until all the set spraying work is finished.
Claims (5)
1. A full-automatic ultrasonic dry chemical multilayer film preparation device comprises a gas supply system, a liquid supply system, an ultrasonic atomization system, a PLC control system, a module motion system and a temperature monitoring control system,the gas supply systemComprises an air pump/air bottle, air refrigeration equipment, an electromagnetic valve, a gas transmission pipeline and an air chamber; the liquid supply system comprises a liquid pump andinfusion pipeline(ii) a The ultrasonic atomization system comprises an ultrasonic generator, an ultrasonic power signal wire and an ultrasonic spray head, whereinUltrasonic spray headComprises a piezoelectric transducer and a horn; the temperature monitoring and controlling system comprises a cleaning device temperature detecting and controlling system andspray head temperature monitoring system System(ii) a The method is characterized in that: the air chamber of the air supply system is of an inverted L shape and comprises an air inlet, a cooling chamber andair outletThe middle of the inside of the cooling chamber is provided with a flow guide baffle plate, the piezoelectric transducer and part of the amplitude transformer penetrate through the lower part of the cooling chamber to be tightly and hermetically connected with the wall of the cooling chamber and form a certain angle of horizontal or downward inclination, the air outlet of the air chamber is vertical to the horizontal plane and is used for shaping air, and the supplied air flows through the top end of the amplitude transformer.
2. The piezoelectric transducer and partial horn of claim 1 wherein the angle is 0-35 ° from horizontal.
3. The gas supply system according to claim 1, wherein the supplied gas is a cryogenic gas.
4. Piezoelectric transducer of an ultrasonic nozzle according to claim 1, characterized by a porous or non-porous covering.
5. The horn of claim 1, wherein the horn is a solid rod or a hollow rod, preferably a solid rod.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111018166.2A CN113634428A (en) | 2020-07-03 | 2020-07-03 | High-efficient refrigerated ultrasonic shower nozzle device |
| CN202010630583.1A CN111715440A (en) | 2020-07-03 | 2020-07-03 | Full-automatic ultrasonic dry chemical multilayer film preparation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010630583.1A CN111715440A (en) | 2020-07-03 | 2020-07-03 | Full-automatic ultrasonic dry chemical multilayer film preparation equipment |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111018166.2A Division CN113634428A (en) | 2020-07-03 | 2020-07-03 | High-efficient refrigerated ultrasonic shower nozzle device |
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| Publication Number | Publication Date |
|---|---|
| CN111715440A true CN111715440A (en) | 2020-09-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111018166.2A Withdrawn CN113634428A (en) | 2020-07-03 | 2020-07-03 | High-efficient refrigerated ultrasonic shower nozzle device |
| CN202010630583.1A Pending CN111715440A (en) | 2020-07-03 | 2020-07-03 | Full-automatic ultrasonic dry chemical multilayer film preparation equipment |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111018166.2A Withdrawn CN113634428A (en) | 2020-07-03 | 2020-07-03 | High-efficient refrigerated ultrasonic shower nozzle device |
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- 2020-07-03 CN CN202111018166.2A patent/CN113634428A/en not_active Withdrawn
- 2020-07-03 CN CN202010630583.1A patent/CN111715440A/en active Pending
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| CN204842077U (en) * | 2015-08-09 | 2015-12-09 | 呼图壁县景逸雕塑艺术有限公司 | Ultrasonic atomization ware shower nozzle |
| US10466213B2 (en) * | 2015-12-22 | 2019-11-05 | Micromass Uk Limited | Secondary ultrasonic nebulisation |
| CN109414718A (en) * | 2016-07-11 | 2019-03-01 | 东芝三菱电机产业系统株式会社 | Droplet coating film forming device and droplet coating film forming method |
| CN206951534U (en) * | 2016-11-08 | 2018-02-02 | 哈尔滨理工大学 | A kind of tapered power ultrasonic ultrasonic transformer of open circles |
| CN106424747A (en) * | 2016-11-29 | 2017-02-22 | 广东天高科技有限公司 | Tin-powder ultrasonic atomization device and atomization process thereof |
| CN206882008U (en) * | 2017-06-21 | 2018-01-16 | 江苏瑞尔隆鼎实业有限公司 | Ultrasonic resonator strong pulse jet spray head device |
| CN208627668U (en) * | 2018-05-29 | 2019-03-22 | 江苏嘉禾燃气设备有限公司 | A kind of dust-proof multi-faceted ultrasonic spraying device |
| CN209406626U (en) * | 2018-11-08 | 2019-09-20 | 江苏集萃微纳自动化系统与装备技术研究所有限公司 | It is a kind of can rapid cooling piezoelectricity atomizer |
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Application publication date: 20200929 |