CN203711178U - High-pressure water jet self-oscillation nozzle device - Google Patents
High-pressure water jet self-oscillation nozzle device Download PDFInfo
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- CN203711178U CN203711178U CN201420042154.2U CN201420042154U CN203711178U CN 203711178 U CN203711178 U CN 203711178U CN 201420042154 U CN201420042154 U CN 201420042154U CN 203711178 U CN203711178 U CN 203711178U
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Abstract
The utility model belongs to the field of industrial cleaning, and particularly relates to a high-pressure water jet self-oscillation nozzle device. The high-pressure water jet self-oscillation nozzle device comprises an upper oscillation cavity, oscillation cavities and a lower oscillation cavity, wherein the upper oscillation cavity and the lower oscillation cavity are respectively fixed at two ends of the oscillation cavities, and adjusting gaskets are arranged on the contacting surfaces of the upper oscillation cavity and the oscillation cavities. The high-pressure water jet self-oscillation nozzle device has the advantages that application working conditions of self-oscillation nozzles are enriched, and foundation is created for productization and serialization of the self-oscillation nozzles; the high-pressure water jet self-oscillation nozzle device is simple in structure, simple and convenient to operate, low in cost, high in operation efficiency and practical.
Description
Technical field
The utility model belongs to industry cleaning link field, relates in particular to a kind of high-pressure water jet self-oscillation spray nozzle device.
Background technology
Self-oscillation flow jet flow is the new and effective pulsing jet of one that utilizes the principles such as hydrodynamics, fluid resonance, the elasticity of fluid and marine acoustics to grow up.In special fluidic structures, produce vibration by self-excitation, solid jet is become to oscillation pulsed water jet.It has the feature of pulsing jet, cavitation jet concurrently.In recent years, domestic and international many scholars have carried out further investigation to self-oscillation flow jet flow mechanism of production, and the certain common recognition of formation, its principle is in the time that stabilized fluid flows through the outlet necked-down section in jet oscillation chamber, produce the excitement of self-excitation pressure, this pressure excitement feeds back to vibration chamber and forms feedback pressure vibration.Suitably control Mach number and the Strouhal number of vibration cavity configuration parameter and fluid, the frequency of feedback pressure vibration is matched with the intrinsic frequency in vibration chamber, thereby the humorous resonance of formation sound in vibration chamber, make jet expansion jet become interrupted collar vortex, thereby strengthen cavitation and the strike effect of jet.
Self-oscillation spray nozzle device is to produce the core component of self-oscillation flow jet flow, and its structural parameters especially chamber inside dimension have directly determined the vibration pulsation effect of jet.From above-mentioned self-oscillation flow jet flow genesis mechanism, the condition of the humorous resonance of vibration chamber generation sound is that incoming flow parameter, vibration chamber parameter must meet the frequency of feedback pressure vibration and the intrinsic frequency in vibration chamber matches, the generation that is to say best self-oscillation effect is not only relevant with vibration cavity configuration size, but also relevant to the running parameter of water jet.But in actual application, due to the wearing and tearing of jet itself, nozzle chambers inside dimension is difficult to remain unchanged, even if accomplish the constant of chamber inside dimension, so a kind of self-oscillation nozzle can only be applicable to a certain specific operation, is also unfavorable for the propagation and employment of such nozzle.Just because of the existence of these problems, self-oscillation nozzle does not also form regular product so far, only application to some extent on some special equipments yet.
Utility model content
The utility model object be in existing high-pressure water jet self-oscillation spray nozzle device, vibrate in order to solve that cavity configuration parameter is non-adjustable, oscillation effect cannot detect in chamber problem, a kind of high-pressure water jet self-oscillation spray nozzle device is provided.
A kind of high-pressure water jet self-oscillation spray nozzle device, comprises vibration chamber, vibration cavity and lower vibration chamber, and described upper vibration chamber and lower vibration chamber are separately fixed at the two ends of vibration cavity; And cooperatively interact and form resonator in vibration cavity, described upper vibration chamber is provided with adjusting pad with the fixing contact-making surface place of cavity that vibrates;
Further, described vibration cavity is hollow cylinder, and middle part, described upper vibration chamber is provided with water inlet tap, and water inlet tap one end is placed in vibration inside cavity, and the other end is placed in vibration cavity outside; Middle part, described lower vibration chamber is provided with delivery port, and described delivery port one end is placed in vibration inside cavity, and the other end is placed in vibration cavity outside;
Further, described upper vibration chamber by soket head cap screw M6 and loosen backing plate be fixed on vibration cavity one end, lower vibration chamber by soket head cap screw M3 and loosen backing plate be fixed on vibration cavity the other end;
Further, described upper vibration chamber is placed in water inlet tap one end of vibration inside cavity, the delivery port in lower vibration chamber is placed in one end and the vibration cavity cooperation formation resonator of vibration cavity;
Further, the impingement area of described resonator is taper surface;
Further, described vibration cavity body wall is evenly provided with wall signals collecting hole, chamber, and lower vibration chamber is provided with bottom signal and gathers hole; Wall signals collecting hole, chamber and bottom signal gather in hole and are all connected with high dynamic micro pressure sensor.
The beneficial effects of the utility model: the utility model has been realized the adjustable of jet oscillation cavity configuration parameter, have expanded the application operating mode of self-oscillation nozzle, for commercialization, the seriation of self-oscillation nozzle are laid a good foundation; And by frequency and the amplitude of oscillator signal in special-purpose software analysis cavity, the parameter adjustment of binding cavity body structure, can obtain best strike effect; Simple in structure, easy and simple to handle, hit test without traditional range, the chamber inner fluid vibration pulsation information that just can obtain vibrating, cost is low, and operating efficiency is high, has practicality.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is lower vibration cavity configuration schematic diagram of the present utility model;
In figure, the chamber that vibrates under the upper vibration of 1-chamber, 2-adjustment pad, 3-vibration cavity, 4-, wall signals collecting hole, 5-chamber, 6-water inlet tap, 7-chamber wall o shape rubber seal, 8-bottom o shape rubber seal, 9-apopore, 10-bottom signal gather hole.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is explained in further detail.Should be appreciated that specific embodiment described herein is only for explaining the utility model, and be not used in restriction the utility model.
On the contrary, the utility model contain any defined by claim in marrow of the present utility model and scope, make substitute, amendment, equivalent method and scheme.Further, for the public is had a better understanding to the utility model, in below details of the present utility model being described, detailed some specific detail sections of having described.Do not have for a person skilled in the art the description of these detail sections can understand the utility model completely yet.
A kind of high-pressure water jet shown in Figure 1 is from agitating spray nozzle device, comprise vibration chamber 1, vibration cavity 3 and lower vibration chamber 4, described vibration cavity 3 is open circles column type, 1 middle part, upper vibration chamber is provided with water inlet tap 6, 4 middle parts, lower vibration chamber are provided with delivery port 9, upper vibration chamber 1 by soket head cap screw M6 and loosen backing plate screw up be fixed on vibration cavity 3 one end, water inlet tap 6 one end in upper vibration chamber 1 are placed in vibration cavity 3, water inlet tap 6 other ends of upper vibration cavity 1 are placed in outside vibration cavity 3, lower vibration cavity 4 is by soket head cap screw M3 and loosen backing plate and screw up and be fixed on vibration cavity 3 other ends, 4 delivery port 9 one end, lower vibration chamber are placed in vibration cavity 3, the other end is placed in outside vibration cavity 3, be provided with and regulate pad 2 at the contact-making surface place of upper vibration chamber 1 and vibration cavity 3, change chamber by the adjusting pad 2 of replacing different-thickness long.
Upper vibration chamber 1 water inlet tap 6 is placed in the one end and vibration cavity 3 matched in clearance in cavity, vibration cavity 3 vibrates on the inner chamber wall at 1 water inlet tap 6 these end places, chamber and is provided with twice groove in correspondence, and in twice groove, ring is equipped with chamber wall o type rubber seal 7 fitted seal respectively; Lower vibration chamber 4 apopores are placed in the one end and vibration cavity 3 matched in clearance in cavity; At vibration cavity 3 and 4 joint face places, lower vibration chamber, vibration cavity 3 is provided with groove one, is provided with bottom o shape rubber seal 8 fitted seal in groove; Described 1 water inlet tap 6 terminations, one end, upper vibration chamber and 4 delivery port 9 terminations, one end, lower vibration chamber that are placed in vibration cavity 3 coordinate vibration cavity 3 to form resonator.
Described vibration cavity 3 exterior circumferential are evenly provided with wall signals collecting hole, chamber 5, lower vibration chamber is provided with bottom signal and gathers hole 10 as shown in Figure 2, wall signals collecting hole 5, chamber and bottom signal gather the high dynamic micro pressure sensor of the interior connection in hole 10, pickoff signals, wherein signals collecting hole is designed to M8 screwed hole, high dynamic micro pressure sensor is threaded connection and is screwed in signals collecting hole, while adjusting chamber length, upper vibration chamber 1 is dismantled, change the adjusting pad 2 of different-thickness, wall signals collecting hole 5, chamber gathers hole 10 with bottom signal and is connected high dynamic micro pressure sensor pickoff signals.
Operation principle: the water under high pressure that work system provides accesses spray nozzle device by high-pressure hose, entered by upper vibration chamber 1 water inlet tap 6, High-Pressure Water enters the resonator in vibration cavity 3, top nozzle outlet jet produces vorticity disturbance in resonator, under the interaction of jet and impingement area, perturbation wave upstream feeds back and forms the closed-loop that signal occurs, transmits, feeds back, and the solid jet of top nozzle is transformed into the oscillating jet of lower nozzle.Downstream impingement area plays an important role in self-oscillatory forming process, forms self-oscillation flow jet flow and sprayed by the delivery port 9 in lower vibration chamber 4 after the collision of taper impingement area.Vibration cavity 3 wall signals collecting holes, chamber 5 connect high dynamic micro pressure sensor and export static pressure signal, being transferred to data collecting system shows, the bottom signal in lower vibration chamber 4 gathers hole 10 and connects high dynamic micro pressure sensor output dynamic pressure signal, being transferred to data collecting system shows, while adjusting chamber length, upper vibration chamber 1 is dismantled, change the different adjusting pad 2 of thickness long to meet required chamber, by designing the adjusting pad 2 of a series of different-thickness, be that the chamber 1 that vibrates on capable of regulating is placed in the position of water inlet tap one end of vibration cavity 3 inside, the chamber that can change resonator is long, obtain the best resonator of self-oscillation effect long.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; any amendment of doing within every spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (6)
1. a high-pressure water jet self-oscillation spray nozzle device, is characterized in that: comprise vibration chamber (1), vibration cavity (3) and lower vibration chamber (4), described upper vibration chamber (1) and lower vibration chamber (4) are separately fixed at the two ends of vibration cavity (3); And cooperatively interact and in vibration cavity (3), form resonator, described upper vibration chamber (1) is provided with and regulates pad (2) with the fixing contact-making surface place of cavity (3) that vibrates.
2. device according to claim 1, it is characterized in that: described vibration cavity (3) is hollow cylinder, middle part, described upper vibration chamber (1) is provided with water inlet tap (6), and water inlet tap (6) one end is placed in vibration cavity (3) inside, and the other end is placed in vibration cavity (3) outside; Middle part, described lower vibration chamber (4) is provided with delivery port (9), and described delivery port (9) one end is placed in vibration cavity (3) inside, and the other end is placed in vibration cavity (3) outside.
3. device according to claim 1, it is characterized in that: described upper vibration chamber (1) by soket head cap screw M6 and loosen backing plate be fixed on vibration cavity (3) one end, lower vibration chamber (4) by soket head cap screw M3 and loosen backing plate be fixed on vibration cavity (3) the other end.
4. device according to claim 2, is characterized in that: described upper vibration chamber (1) is placed in water inlet tap (6) one end of cavity (3) inside that vibrates, the delivery port (9) in lower vibration chamber (4) is placed in one end and vibration cavity (3) the cooperation formation resonator of vibration cavity (3).
5. device according to claim 4, is characterized in that: described resonator is taper surface.
6. device according to claim 5, is characterized in that: described vibration cavity (3) chamber wall is evenly provided with wall signals collecting hole, chamber (5), and lower vibration chamber (4) is provided with bottom signal and gathers hole (10); Wall signals collecting hole, chamber (5) and bottom signal gather in hole (10) and are all connected with high dynamic micro pressure sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420042154.2U CN203711178U (en) | 2014-01-22 | 2014-01-22 | High-pressure water jet self-oscillation nozzle device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420042154.2U CN203711178U (en) | 2014-01-22 | 2014-01-22 | High-pressure water jet self-oscillation nozzle device |
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| Publication Number | Publication Date |
|---|---|
| CN203711178U true CN203711178U (en) | 2014-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420042154.2U Expired - Fee Related CN203711178U (en) | 2014-01-22 | 2014-01-22 | High-pressure water jet self-oscillation nozzle device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103752433A (en) * | 2014-01-22 | 2014-04-30 | 北京科技大学 | High-pressure water jet self-oscillation nozzle device |
| CN105642456A (en) * | 2016-01-04 | 2016-06-08 | 湖南工业大学 | High-pressure and low-frequency autooscillation pulse gas-liquid jet nozzle |
| CN105735997A (en) * | 2016-04-08 | 2016-07-06 | 上海交通大学 | Loop impulse water jet ore crushing device and ore crushing method thereof |
| CN110594041A (en) * | 2019-09-09 | 2019-12-20 | 北京航空航天大学 | Self-oscillation nozzle for atomizing granular gel-containing propellant of ramjet engine |
| CN113562805A (en) * | 2021-09-26 | 2021-10-29 | 中国海洋大学 | Hydrodynamic cavitation processing apparatus based on rotatory oscillation cavity impeller |
-
2014
- 2014-01-22 CN CN201420042154.2U patent/CN203711178U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103752433A (en) * | 2014-01-22 | 2014-04-30 | 北京科技大学 | High-pressure water jet self-oscillation nozzle device |
| CN103752433B (en) * | 2014-01-22 | 2017-01-04 | 北京科技大学 | A kind of high-pressure water jet self-oscillation nozzle device |
| CN105642456A (en) * | 2016-01-04 | 2016-06-08 | 湖南工业大学 | High-pressure and low-frequency autooscillation pulse gas-liquid jet nozzle |
| CN105735997A (en) * | 2016-04-08 | 2016-07-06 | 上海交通大学 | Loop impulse water jet ore crushing device and ore crushing method thereof |
| CN110594041A (en) * | 2019-09-09 | 2019-12-20 | 北京航空航天大学 | Self-oscillation nozzle for atomizing granular gel-containing propellant of ramjet engine |
| CN113562805A (en) * | 2021-09-26 | 2021-10-29 | 中国海洋大学 | Hydrodynamic cavitation processing apparatus based on rotatory oscillation cavity impeller |
| CN113562805B (en) * | 2021-09-26 | 2022-02-18 | 中国海洋大学 | Hydrodynamic cavitation processing apparatus based on rotatory oscillation cavity impeller |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140716 Termination date: 20150122 |
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| EXPY | Termination of patent right or utility model |