CN204486119U - A kind of high temperature resistant ultrasonic spray nozzle - Google Patents
A kind of high temperature resistant ultrasonic spray nozzle Download PDFInfo
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- CN204486119U CN204486119U CN201520155082.7U CN201520155082U CN204486119U CN 204486119 U CN204486119 U CN 204486119U CN 201520155082 U CN201520155082 U CN 201520155082U CN 204486119 U CN204486119 U CN 204486119U
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Abstract
A kind of high temperature resistant ultrasonic spray nozzle, its bag transducer, shell, electrical connector, inlet and air inlet, described transducer comprises transducer back shroud, piezoelectric vibrator group, electrode weld tabs, transducer front shroud, the electrode of piezoelectric vibrator group is drawn by electrode weld tabs and is connected with electrical connector, and electrical connector is fixed on shell bonnet.The shell of described high temperature resistant ultrasonic spray nozzle comprises procapsid, back casing, cooling chamber shell, airflow chamber's shell, air-flow chamber cap and sprinkler cap, and procapsid, back casing, cooling chamber shell, airflow chamber's shell, air-flow chamber cap and sprinkler cap are interconnected successively.Cooling chamber shell both sides have fluid inlet and fluid issuing respectively, and there is an air inlet airflow chamber's shell side.Back casing there are electrical connector, temperature sensor joint and inlet respectively.
Description
Technical field
The utility model relates to a kind of ultrasonic spraying device, particularly relate to a kind of for work under hot environment fog-spray nozzle, belong to atomization of liquid field.
Background technology
Along with the development of nano material technology, to the demand of nano level superfine powder growing, as: metal and the metal-oxide powders such as titanium dioxide, platinum, silver.It is a kind of popular preparation method that spraying dry and spray pyrolysis prepare superfine powder.Traditional spraying dry shower nozzle is employing two Fluid sprayer, because two Fluid sprayers are the atomizations carried out based on gases at high pressure and liquid generation kinetic energy, the particle diameter of atomizing particle is large, and granulation uniformity is poor, thus the solid particle uniformity making drying go out is low, and particle is difficult to greatly reach nanometer or sub-micron rank.
Ultrasonic atomization mode (the patent No.: 2013205313376) be applied in nano-level thin-membrane spraying as a kind of new technique, hyperacoustic amplitude that this technology is sent by ultrasonic variable amplitude bar increase ultrasonic transducer, the liquid or solid particle suspension liquid making viscosity larger can be atomized, and is evenly sprayed by liquid mist by the Compressed Gas applying particular orientation.Ultrasonic atomization spraying has the advantage that atomizing particle is tiny, spraying is even, flow is controlled, and prepares film under can be implemented in normal temperature and pressure environment, makes the large-scale production of nano-level thin-membrane become possibility.Simultaneously, the ultrasonic spray nozzle of this technology is utilized also to may be used for spraying dry and spray pyrolysis field, high temperature drying or Pintsch process reaction are carried out to the solid-liquid mixed liquor be atomized out or solution, the liquid particles dissolved due to ultrasonic fog fine (10-20 micron), and the uniformity is high, more fine and uniform particle can be prepared.But the environment temperature due to spraying dry and spray pyrolysis is all higher, and (, usually at 100 DEG C-200 DEG C, the fire door environment temperature of pyrolysis oven also will at about 200 DEG C for spraying dry.), if worked under ultrasonic nozzle being placed in for a long time this environment, shower nozzle be easy to due to temperature too high and damage or hydraulic performance decline.
Utility model content
(1) technical problem that will solve
The technical problems to be solved in the utility model realizes a kind of high temperature resistant ultrasonic spray nozzle, can long-term work under higher temperature environment, solve the problem of high temperature failure ultrasonic spray nozzle in the dry or ultrasonic atomization pyrolysis application of ultrasonic atomization.
(2) technical scheme
For solving the problems of the technologies described above, the utility model provides a kind of high temperature resistant ultrasonic spray nozzle, its bag transducer, shell, electrical connector, inlet and air inlet, described transducer comprises transducer back shroud, piezoelectric vibrator group, electrode weld tabs, transducer front shroud, the electrode of piezoelectric vibrator group is drawn by electrode weld tabs and is connected with electrical connector, and electrical connector is fixed on shell bonnet.The shell of described high temperature resistant ultrasonic spray nozzle comprises procapsid, back casing, cooling chamber shell, airflow chamber's shell, air-flow chamber cap and sprinkler cap, and procapsid, back casing, cooling chamber shell, airflow chamber's shell, air-flow chamber cap and sprinkler cap are interconnected successively.Cooling chamber shell both sides have fluid inlet and fluid issuing respectively, and there is an air inlet airflow chamber's shell side.Back casing there are electrical connector, temperature sensor joint and inlet respectively.
Described cooling chamber shell and airflow chamber's shell are interconnected or are structure as a whole, and the space that the middle-end bar of cooling chamber shell and transducer front shroud, airflow chamber's shell and procapsid surround is cooling chamber.
On the middle-end bar of described transducer front shroud, cover has sealing ring cooling chamber and airflow chamber to be separated.Air-flow chamber cap cross section is an I-shaped structure, and it is connected with airflow chamber shell and forms airflow chamber.
Described transducer comprises transducer back shroud, electrode weld tabs, piezoelectric vibrator group and transducer front shroud, and the electrode of piezoelectric vibrator group is drawn by electrode weld tabs.Piezoelectric vibrator group is coaxially enumerated by the circular piezoelectric ceramic piece of even number and is formed, and with parallel way electrical connection, a piezoelectric vibrator group wherein pole is electrically connected with transducer front shroud and transducer back shroud.Transducer front shroud is structurally sequentially divided into front end bar, middle-end bar, rear end bar and tail end bar four part.Front end bar is truncated cone-shaped, and middle-end bar, rear end bar and tail end bar are cylindrical, is with the chuck of a circle projection and procapsid by sealing ring close contact outside middle-end bar.The rear end bar of transducer front shroud is through piezoelectric vibrator group, electrode weld tabs and transducer back shroud, and transducer tail end bar cover has a sealing ring and back casing close contact, and the top of transducer tail end bar is feed liquor body place.The aperture of the cental axial position through hole of front shroud is, front end face is atomization end face.
During work, liquid enters from the top of the tail end bar of transducer, flows to atomization end face by the clear opening in transducer.Transducer produce ultrasonic vibratory energy can be gathered in atomization end place, liquid flow to atomization end time can be atomized into by vibrational energy fine liquid particle.Pass into a certain amount of Compressed Gas at air inlet, Compressed Gas flows through airflow chamber and sprays from the front end exit of sprinkler cap, and the Compressed Gas of ejection makes the drop that is atomized dispersed.Pass into a certain amount of gas or cooling fluid at fluid inlet, gas or cooling fluid flow through cooling chamber and flow out from fluid issuing, reach the effect of cooling, work under making shower nozzle can be in higher temperature environment.
(3) beneficial effect
The high temperature resistant ultrasonic spray nozzle made according to technical solutions of the utility model can long-term work under the environment of higher temperature, thus effectively carries out the dry or spray pyrolysis of ultrasonic atomization.
Accompanying drawing illustrates:
Fig. 1 is the 3D entity schematic diagram of high temperature resistant ultrasonic spray nozzle of the present utility model;
Fig. 2 is the section of structure of high temperature resistant ultrasonic spray nozzle of the present utility model;
Fig. 3 is the section of structure of transducer in high temperature resistant ultrasonic spray nozzle of the present utility model;
Fig. 4 is the section of structure that in high temperature resistant ultrasonic spray nozzle of the present utility model, cooling chamber shell and airflow chamber's shell are structure as a whole;
Fig. 5 is the section of structure of air-flow chamber cap in high temperature resistant ultrasonic spray nozzle of the present utility model;
Fig. 6 is the flow schematic diagram of gas, fluid and liquid in high temperature resistant ultrasonic spray nozzle of the present utility model.
Detailed description of the invention:
Following examples for illustration of the utility model, but are not used for limiting scope of the present utility model.
As depicted in figs. 1 and 2, the utility model discloses a kind of high temperature resistant ultrasonic spray nozzle, it comprises transducer 1, shell 2, sealing ring 3, sealing ring 4, sealing ring 5.Described shell 2 comprises procapsid 21, back casing 22, cooling chamber shell 23, airflow chamber's shell 24, air-flow chamber cap 25 and sprinkler cap 26.Back casing 22, procapsid 21, cooling chamber shell 23, airflow chamber's shell 24, air-flow chamber cap 25 and sprinkler cap 26 are interconnected successively.The tail end bar 11f cover of described transducer 1 has sealing ring 5 and back casing 22 close contact, be with the chuck 11g of a circle projection and procapsid 21 outside middle-end bar 11c by sealing ring 4 close contact, it is outer and be connected with back casing 22 and grip transducer 1 that procapsid 21 covers on transducer 1.Back casing 22 there are respectively electrical connector 22a, temperature sensor joint 22c and inlet 22b.Cooling chamber shell 23 both sides have fluid inlet 23a and fluid issuing 23b respectively, and there is an air inlet 24a airflow chamber's shell 24 side.The space that the middle-end bar 11c of cooling chamber shell 23 and transducer front shroud 11, airflow chamber's shell 24 and procapsid 21 surround is cooling chamber 28.Air-flow chamber cap 25 is connected with airflow chamber shell 24 and forms airflow chamber 27.Have a groove 23c in cooling chamber shell 23, on the middle-end bar 11c of transducer front shroud 11, cover has sealing ring 3 to snap in groove 23c to be separated with airflow chamber 27 cooling chamber 28.Described transducer 1 cental axial position runs through a clear opening 11e.
As shown in Figure 3, described transducer 1 comprises transducer back shroud 12, electrode weld tabs 14, piezoelectric vibrator group 13 and transducer front shroud 11, and the electrode of piezoelectric vibrator group 13 is drawn by electrode weld tabs 14.Piezoelectric vibrator group 13 is coaxially enumerated by 4 circular piezoelectric ceramic pieces and is formed, and with parallel way electrical connection, a piezoelectric vibrator group 13 wherein pole is electrically connected with transducer front shroud 11 and transducer back shroud 12.Transducer front shroud 11 is structurally sequentially divided into front end bar 11b, middle-end bar 11c, rear end bar 11d and tail end bar 11f tetra-part.Front end bar 11b is truncated cone-shaped, and middle-end bar 11c, rear end bar 11d and tail end bar 11f are cylindrical, is with the chuck 11g of a circle projection and procapsid 21 by sealing ring 4 close contact outside middle-end bar 11c.The rear end bar 11d of transducer front shroud 11 is through piezoelectric vibrator group 13, electrode weld tabs 14 and transducer back shroud 12, and transducer tail end bar 11f cover has a sealing ring 5 and back casing 22 close contact, and the top 11h of transducer tail end bar 11f is feed liquor body place.The aperture of the cental axial position through hole 11e of front shroud 11 is 1mm, and front end face 11a is atomization end face.
As shown in Figure 4, described cooling chamber shell 23 and airflow chamber's shell 24 are structure as a whole, and the space that the middle-end bar 11c of cooling chamber shell 23 and transducer front shroud 11, airflow chamber's shell 24 and procapsid 21 surround is cooling chamber 28.23a is fluid inlet, and 23b is fluid issuing, and 24a is air inlet, and 23c is a groove.On the middle-end bar 11c of transducer front shroud 11, cover has sealing ring 2 to snap in groove 23c to be separated with airflow chamber 27 cooling chamber 28.
As shown in Figure 5, described air-flow chamber cap 25 cross section 25a is an I-shaped structure, and it is connected with airflow chamber shell 24 and forms airflow chamber 27.
As shown in Figure 6, during work, liquid enters from the top 11h of the tail end bar 11f of transducer 1, flows to atomization end 11a face by the clear opening 11e in transducer 1.Transducer 1 produce ultrasonic vibratory energy can be gathered in atomization end 11a place, liquid flow to atomization hold 11a time can be atomized into by vibrational energy fine liquid particle.Pass into a certain amount of Compressed Gas at air inlet 24a, Compressed Gas flows through airflow chamber 27 and sprays from the front end exit of sprinkler cap 26, and the Compressed Gas of ejection makes the drop that is atomized dispersed.Pass into a certain amount of gas or cooling fluid at fluid inlet 23a, gas or cooling fluid flow through cooling chamber 28 and flow out from fluid issuing 23b, reach the effect of cooling, work under making shower nozzle can be in higher temperature environment.
Claims (4)
1. a high temperature resistant ultrasonic spray nozzle, it comprises transducer, shell, electrical connector, inlet and air inlet, described transducer comprises transducer back shroud, piezoelectric vibrator group, electrode weld tabs, transducer front shroud, the electrode of piezoelectric vibrator group is drawn by electrode weld tabs and is connected with electrical connector, and electrical connector is fixed on shell bonnet; It is characterized in that: the shell of described high temperature resistant ultrasonic spray nozzle comprises procapsid, back casing, cooling chamber shell, airflow chamber's shell, air-flow chamber cap and sprinkler cap, and procapsid, back casing, cooling chamber shell, airflow chamber's shell, air-flow chamber cap and sprinkler cap are interconnected successively; Cooling chamber shell both sides have fluid inlet and fluid issuing respectively, and there is an air inlet airflow chamber's shell side; Back casing there are electrical connector, temperature sensor joint and inlet respectively.
2. high temperature resistant ultrasonic spray nozzle according to claim 1, is characterized in that: cooling chamber shell and airflow chamber's shell are interconnected or are structure as a whole, and the space that the middle-end bar of cooling chamber shell and transducer front shroud, airflow chamber's shell and procapsid surround is cooling chamber.
3. high temperature resistant ultrasonic spray nozzle according to claim 1, is characterized in that: on the middle-end bar of transducer front shroud, cover has sealing ring cooling chamber and airflow chamber to be separated.
4. high temperature resistant ultrasonic spray nozzle according to claim 1, is characterized in that: air-flow chamber cap cross section is an I-shaped structure, and it is connected with airflow chamber shell and forms airflow chamber.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520155082.7U CN204486119U (en) | 2015-03-19 | 2015-03-19 | A kind of high temperature resistant ultrasonic spray nozzle |
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| CN201520155082.7U CN204486119U (en) | 2015-03-19 | 2015-03-19 | A kind of high temperature resistant ultrasonic spray nozzle |
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| CN204486119U true CN204486119U (en) | 2015-07-22 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107825857A (en) * | 2017-10-23 | 2018-03-23 | 大连理工大学 | A kind of shower nozzle for high-temperature electric jet printing |
| CN109331205A (en) * | 2018-10-26 | 2019-02-15 | 深圳美特优科技有限公司 | A kind of indoor sterilizing equipment |
| CN110090767A (en) * | 2018-01-30 | 2019-08-06 | 精膜科技股份有限公司 | A kind of supersonic driver with self-correction function |
| CN110918355A (en) * | 2019-10-30 | 2020-03-27 | 福之匠精工科技(昆山)有限公司 | Piezoelectric precision spraying device |
| CN111715440A (en) * | 2020-07-03 | 2020-09-29 | 徐詹程 | Full-automatic ultrasonic dry chemical multilayer film preparation equipment |
| CN112453414A (en) * | 2020-11-26 | 2021-03-09 | 杭州嘉振超声波科技有限公司 | Ultrasonic metal powder making method |
-
2015
- 2015-03-19 CN CN201520155082.7U patent/CN204486119U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107825857A (en) * | 2017-10-23 | 2018-03-23 | 大连理工大学 | A kind of shower nozzle for high-temperature electric jet printing |
| CN107825857B (en) * | 2017-10-23 | 2019-04-23 | 大连理工大学 | A kind of spray head for high-temperature electric jet printing |
| CN110090767A (en) * | 2018-01-30 | 2019-08-06 | 精膜科技股份有限公司 | A kind of supersonic driver with self-correction function |
| CN109331205A (en) * | 2018-10-26 | 2019-02-15 | 深圳美特优科技有限公司 | A kind of indoor sterilizing equipment |
| CN110918355A (en) * | 2019-10-30 | 2020-03-27 | 福之匠精工科技(昆山)有限公司 | Piezoelectric precision spraying device |
| CN110918355B (en) * | 2019-10-30 | 2022-02-22 | 福之匠精工科技(昆山)有限公司 | Piezoelectric precision spraying device |
| CN111715440A (en) * | 2020-07-03 | 2020-09-29 | 徐詹程 | Full-automatic ultrasonic dry chemical multilayer film preparation equipment |
| CN112453414A (en) * | 2020-11-26 | 2021-03-09 | 杭州嘉振超声波科技有限公司 | Ultrasonic metal powder making method |
| CN112453414B (en) * | 2020-11-26 | 2023-01-24 | 杭州嘉振超声波科技有限公司 | Ultrasonic metal powder making method |
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