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A Bernoulli double-twist type low-frequency ultrasonic three-time atomizing nozzle

An atomizing nozzle and line type technology, which is applied in the direction of spray device, liquid spray device, etc., to achieve the effect of small metal volume and less heat generation

Inactive Publication Date: 2016-06-15
JIANGSU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This ultrasonic nozzle can only produce secondary atomization

Method used

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  • A Bernoulli double-twist type low-frequency ultrasonic three-time atomizing nozzle
  • A Bernoulli double-twist type low-frequency ultrasonic three-time atomizing nozzle
  • A Bernoulli double-twist type low-frequency ultrasonic three-time atomizing nozzle

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Embodiment Construction

[0017] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0018] Such as figure 1 , image 3 , Figure 4 , Figure 5 As shown, the size of the entire ultrasonic atomizing nozzle is one ultrasonic pressure wave wavelength. The middle of the two piezoelectric ceramics 3 is the nodal surface 1, the distance between the nodal surface 1 and the left end surface of the ultrasonic atomizing nozzle is 1 / 4 wavelength, and the nodal surface 1 is 1 / 4 wavelength from the right end surface of the front cover. The midpoint of the flange 14 is the nodal surface 2, the distance between the nodal surface 2 and the right end surface of the front cover is 1 / 4 wavelength, and the nodal surface 2 is 1 / 4 wavelength from the right end surface of the ultrasonic atomizing nozzle. The left ends of the two piezoelectric ceramics 3 are respectively connected to a thin electrode 2 . The thin electrode 2 at the left...

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Abstract

The invention discloses a Bernoulli twisted-pair low-frequency ultrasonic triple atomizing spray nozzle. The overall vibrating direction of the spray nozzle is an axial direction. An amplitude-change pole of the Bernoulli twisted-pair low-frequency ultrasonic triple atomizing spray nozzle is a twisted-pair composite amplitude-change pole. A metal for making the Bernoulli twisted-pair composite amplitude-change pole is small in size and generates little heat, so that the defects of large metal sizes and large heat generation amounts of a conical amplitude-change pole and a stepped amplitude-change pole are overcome; by adopting the Bernoulli twisted-pair low-frequency ultrasonic triple atomizing spray nozzle disclosed by the invention, fog drops undergo triple atomization on the right end face of a metal sheet under the wind power action of a fan on an air inlet pipeline, so that the defect of difficulty in generating ultrafine fog drops in low-frequency ultrasonic atomization is overcome; the spray nozzle can be applied to the fields of atomizing cultivation, ultrasonic spraying and the like.

Description

technical field [0001] The invention belongs to the field of atomization cultivation, and in particular relates to an ultrasonic atomization nozzle technology. Background technique [0002] Ultrasonic nebulizer has a wide application prospect in the field of agricultural engineering due to its advantages of fine and uniform droplet size. Ultrasonic atomization refers to the use of high-frequency electronic oscillation, through the high-frequency resonance of the ceramic atomization sheet, to break up the molecular structure of liquid water to produce natural and elegant water mist, without heating or adding any chemical reagents. At present, the main shapes of the horn of the ultrasonic atomizing nozzle are conical, Bezier and stepped. The conical horn has a simple structure and is easy to design and manufacture, but its magnification factor is low; the stepped horn has a high magnification factor, but also has high stress concentration and is easy to break. Conical horns ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B05B17/06
CPCB05B17/0607B05B17/0653
Inventor 高建民张竞宇
Owner JIANGSU UNIV
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