CN205089493U - Tunable frequency pneumatic type ultrasonic atomization device - Google Patents
Tunable frequency pneumatic type ultrasonic atomization device Download PDFInfo
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- CN205089493U CN205089493U CN201520897733.XU CN201520897733U CN205089493U CN 205089493 U CN205089493 U CN 205089493U CN 201520897733 U CN201520897733 U CN 201520897733U CN 205089493 U CN205089493 U CN 205089493U
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Abstract
The utility model provides a tunable frequency pneumatic type ultrasonic atomization device, relates to atomizing device. Be equipped with air supply pipe, closed -loop, urceolus, delivery pipe, cavity inner core, cavity outer loop, gaseous orifice and liquid orifice, the inlet channel of the external atomizing air supply of air inlet of air supply pipe, the atomized liquid body source is received outward to the water inlet of delivery pipe, the gas outlet of air supply pipe and the delivery port of delivery pipe connect in the cavity of closed -loop and urceolus constitution, be equipped with the external screw thread on the cavity inner core, be equipped with the internal thread that matches and connect with the cavity inner core on the cavity outer loop, the cavity is constituteed to cavity inner core and cavity outer loop, through the relative position of adjustment cavity inner core with the cavity outer loop, adjustment cavity degree of depth size, thereby adjustment atomizing device's atomizing frequency of operation, ensure that the atomizing device homoenergetic reaches best atomization effect under various operating modes, the terminal middle of air supply pipe is located to gaseous orifice for blowout high -pressure gas, the liquid orifice is established around gaseous orifice for blowout liquid. Simple structure, the practicality is strong, and working range is wide.
Description
Technical field
The utility model relates to a kind of atomising device, especially relates to a kind of frequency-adjustable Pneumatic ultrasonic atomising device.
Background technique
Fuel oil all needed atomization before motor combustion, the quality of atomization quality directly affects combustion performance, the not good meeting of atomization quality of fuel oil causes incomplete combustion, in flue gas, harmful gas content increases, the easy coking of nozzle etc., reduce life of equipment, especially in aeroengine field, when atomizing effect worsens, will serious security risk be brought.
General atomized liquid (oil or water) all adopts pressure atomized fog jet (swirl atomizer).When fluid flow is too large (or when liquid viscosity is excessive), because swirl atomizer jet size increases, jet expansion liquid film increases, and cause liquid atomizing quality to worsen, the Sauter mean diameter of liquid pearl sharply increases.In order to when fluid flow is larger, can obtain desirable liquid pearl average diameter, general fogging agent accounts for and is atomized 30% ~ 60% of liquid quality, so will waste a large amount of fogging agents.In contrast to this, ultrasonic wave atomizing nozzle not only utilizes the pneumatic energy of fogging agent, more depends on ultrasonic wave energy and carrys out atomized liquid, therefore compared with also obtaining good atomization and broad operating range during low speed flow.
Sun Xiaoxia (Sun Xiaoxia, the progress [J] of ultrasonic wave atomizing nozzle, IndustrialFurnace, V0l.26No.lJan.2004:19-32) principle of ultrasonic wave atomizing nozzle is described, progress and application example, point out that the frequency of resonant cavity type ultrasonic wave atomizing nozzle has and calculate empirical correlation as follows:
f＝c/4[h+0.3(D
r-D
c)]
Wherein c is the velocity of sound, and h is the resonant cavity degree of depth, D
rwith D
cbe respectively resonant cavity diameter and center-pole diameter.
Summary of the invention
The purpose of this utility model is to provide frequency-adjustable, can realizes carrying out plurality of liquid (fuel oil, water, heavy oil or other liquid) a kind of frequency-adjustable Pneumatic ultrasonic atomising device of high-efficient atomizing.
The utility model is provided with air supply pipe, closed loop, urceolus, water pipe, cavity inner core, cavity outer shroud, air jetting holes and liquid spray orifice, the gas-entered passageway of the external atomization source of the gas of suction port of described air supply pipe, the external fluid supply to be atomized of water intake of water pipe, the air outlet of air supply pipe and the water outlet of water pipe connect in the cavity of closed loop and urceolus composition, cavity inner core is provided with outside thread, cavity outer shroud is provided with the internal thread matched with cavity inner core, cavity inner core and cavity outer shroud composition cavity, by adjusting the relative position of cavity inner core and cavity outer shroud, adjustment cavity depth size, thus the atomization frequency of okperation of adjustment atomising device, guarantee that atomising device all can reach best atomizing effect under various operating mode, air jetting holes is located in the middle of the end of air supply pipe, for spraying pressurized gas, liquid spray orifice is located at around air jetting holes, for spraying liquid.
Described liquid spray orifice can be provided with 4.
Described urceolus can adopt regular hexahedron cylinder, and described cavity outer shroud can adopt regular hexahedron cylinder, and regular hexagon profile is easy to setup.
The utility model discloses a kind of frequency-adjustable Pneumatic ultrasonic atomising device, supersonic gas sprays from air jetting holes, the cavity that frontal impact cavity outer shroud and cavity inner core are combined to form, under airflow function, shock train is formed between nozzle and cavity, build-up of pressure shakes strongly, ultrasound field is produced after resonating with cavity, meanwhile, liquid to be atomized is from 4 the liquid spouts ejection circumferentially of water pipe end, brin is broken for from fluid column rapidly under the strong effect of aerodynamic force and ultrasound field, final formation evenly and the minimum atomized drop of diameter, reach the object of atomization.The utility model can realize the high-efficient atomizing of liquid towards material, and according to actual conditions, kind of liquid etc., by regulating the cavity degree of depth to change ultrasonic frequency, can obtain best atomizing effect.The utility model structure is simple, practical.
The utility model according to actual conditions, kind of liquid etc., by regulating the cavity degree of depth to change ultrasonic frequency, thus can realize the high-efficient atomizing of plurality of liquid under various working.Utilize hypersonic air flow and cavity to resonate the ultrasound produced, can realize using a small amount of atomization gas also to obtain good atomizing effect.
Compared with traditional, pneumatic ultrasonic wave atomizing nozzle, the utility model tool has the following advantages:
(1) cavity depth adjustable, therefore can control sound field frequency, carries out all obtaining best atomization in the process be atomized under different operating mode;
(2) due to frequency-adjustable, the atomising device that the utility model proposes can realize being atomized multiple liquid to be atomized, and operating range is wide.
Accompanying drawing explanation
Fig. 1 is the overall structure composition schematic diagram of the utility model embodiment.
Fig. 2 is the sectional view of the utility model embodiment.
Fig. 3 is the graphics of the air supply pipe of the utility model embodiment.
Fig. 4 is the sectional view of the air supply pipe of the utility model embodiment.
Fig. 5 is the front elevation of the urceolus of the utility model embodiment.
Fig. 6 is the plan view of the urceolus of the utility model embodiment.
Fig. 7 is the front elevation of the closed loop of the utility model embodiment.
Fig. 8 is the plan view of the closed loop of the utility model embodiment.
Fig. 9 is the front elevation of the cavity inner core of the utility model embodiment.
Figure 10 is the graphics of the cavity outer shroud of the utility model embodiment.
Figure 11 is the sectional drawing of the cavity outer shroud of the utility model embodiment.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described.
As shown in Fig. 1 ~ 11, the utility model embodiment is provided with air supply pipe 1, closed loop 2, urceolus 3, water pipe 4, cavity inner core 5, cavity outer shroud 6, air jetting holes 7 and liquid spray orifice 8, the gas-entered passageway of the external atomization source of the gas of suction port of described air supply pipe 1, the external fluid supply to be atomized of water intake of water pipe 4, the air outlet of air supply pipe 1 and the water outlet of water pipe 4 connect in the cavity of closed loop 2 and urceolus 3 composition, cavity inner core 5 is provided with outside thread, cavity outer shroud 6 is provided with the internal thread matched with cavity inner core 5, cavity inner core 5 and cavity outer shroud 6 form cavity, by the relative position of adjustment cavity inner core 5 with cavity outer shroud 6, adjustment cavity depth size, thus the atomization frequency of okperation of adjustment atomising device, guarantee that atomising device all can reach best atomizing effect under various operating mode, air jetting holes 7 is located in the middle of the end of air supply pipe 1, for spraying pressurized gas, liquid spray orifice 8 is located at air jetting holes 7 around, for spraying liquid.
Described liquid spray orifice 8 can be provided with 4.
Described urceolus can adopt regular hexahedron cylinder, and described cavity outer shroud can adopt regular hexahedron cylinder, and regular hexagon profile is easy to setup.
Described air supply pipe 1 is the gas-entered passageway of atomization source of the gas, pressurized gas spray from air jetting holes 7 with supersonic speed after air supply pipe, the cavity that frontal impact cavity inner core 5 and cavity outer shroud 6 are combined to form, and the shock train strongly shaken is formed between air jetting holes outlet and cavity, produce the ultrasound field needed for being atomized after resonating with cavity.Described air jetting holes 7 is positioned at the end of air supply pipe 1, adopts Contraction Ducts design; Described cavity inner core 5 has outside thread, reach can require processing and fabricating according to frequency-tuning range as shown in Figure 9, described cavity outer shroud 6 has the internal thread matched with cavity inner core 5, by the relative position of adjustment cavity inner core 5 with cavity outer shroud 6, get final product simple and convenient adjustment cavity depth H size (as shown in Figure 2), thus the atomization frequency of okperation of adjustment atomising device.
Meanwhile, liquid to be atomized enters in the cavity that closed loop 2 and urceolus 3 form from water pipe 4, and from being arranged circumferentially in 4 liquid spouts 7 (as shown in Figure 3,4) ejection of air supply pipe 1 end, brin is broken for from fluid column rapidly under the strong effect of aerodynamic force and ultrasound field, final formation evenly and the minimum atomized drop of diameter, reaches the object of atomization.The utility model can realize the high-efficient atomizing of liquid towards material, and according to actual conditions, kind of liquid etc., by regulating cavity depth H to change ultrasonic frequency, can obtain best atomizing effect.
Claims (3)
1. a frequency-adjustable Pneumatic ultrasonic atomising device, is characterized in that being provided with air supply pipe, closed loop, urceolus, water pipe, cavity inner core, cavity outer shroud, air jetting holes and liquid spray orifice, the gas-entered passageway of the external atomization source of the gas of suction port of described air supply pipe, the external fluid supply to be atomized of water intake of water pipe, the air outlet of air supply pipe and the water outlet of water pipe connect in the cavity of closed loop and urceolus composition, cavity inner core is provided with outside thread, cavity outer shroud is provided with the internal thread matched with cavity inner core, cavity inner core and cavity outer shroud composition cavity, by adjusting the relative position of cavity inner core and cavity outer shroud, adjustment cavity depth size, thus the atomization frequency of okperation of adjustment atomising device, guarantee that atomising device all can reach best atomizing effect under various operating mode, air jetting holes is located in the middle of the end of air supply pipe, for spraying pressurized gas, liquid spray orifice is located at around air jetting holes, for spraying liquid.
2. a kind of frequency-adjustable Pneumatic ultrasonic atomising device as claimed in claim 1, is characterized in that described liquid spray orifice is provided with 4.
3. a kind of frequency-adjustable Pneumatic ultrasonic atomising device as claimed in claim 1, it is characterized in that described urceolus adopts regular hexahedron cylinder, described cavity outer shroud adopts regular hexahedron cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520897733.XU CN205089493U (en) | 2015-11-12 | 2015-11-12 | Tunable frequency pneumatic type ultrasonic atomization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520897733.XU CN205089493U (en) | 2015-11-12 | 2015-11-12 | Tunable frequency pneumatic type ultrasonic atomization device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205089493U true CN205089493U (en) | 2016-03-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520897733.XU Withdrawn - After Issue CN205089493U (en) | 2015-11-12 | 2015-11-12 | Tunable frequency pneumatic type ultrasonic atomization device |
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| CN (1) | CN205089493U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105201697A (en) * | 2015-11-12 | 2015-12-30 | 厦门大学 | Frequency adjustable pneumatic type ultrasonic atomization device |
| RU190279U1 (en) * | 2019-03-29 | 2019-06-25 | Федеральное государственное автономное образовательное учреждение высшего образования "Сибирский федеральный университет" (ФГАОУ ВО СФУ) | DEVICE FOR FUEL TREATMENT |
-
2015
- 2015-11-12 CN CN201520897733.XU patent/CN205089493U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105201697A (en) * | 2015-11-12 | 2015-12-30 | 厦门大学 | Frequency adjustable pneumatic type ultrasonic atomization device |
| CN105201697B (en) * | 2015-11-12 | 2018-06-01 | 厦门大学 | Frequency-adjustable Pneumatic ultrasonic atomising device |
| RU190279U1 (en) * | 2019-03-29 | 2019-06-25 | Федеральное государственное автономное образовательное учреждение высшего образования "Сибирский федеральный университет" (ФГАОУ ВО СФУ) | DEVICE FOR FUEL TREATMENT |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Xing Fei Inventor after: Yang Hui Inventor after: Liu Chen Inventor after: Luo Can Inventor after: Cai Jiangqian Inventor before: Xing Fei Inventor before: Ruan Can Inventor before: Liu Chen Inventor before: Luo Can Inventor before: Cai Jiangqian |
|
| COR | Change of bibliographic data | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160316 Effective date of abandoning: 20180601 |