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Instant heat ultrasonic micro-spray device

A thermosonic and ultrasonic technology, applied in the direction of injection devices, liquid injection devices, etc., can solve problems such as high surface tension, liquid viscosity limitation, clogging, etc., and achieve the effect of increasing the adaptability and reducing viscosity

Inactive Publication Date: 2010-08-04
TSINGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The size of the atomized particles in this patent is determined by the diameter of the micro-nozzle. To obtain atomized droplets with a small particle size, the diameter of the micro-nozzle is also very small, generally below 20 microns. When used for liquids with high viscosity Due to its high viscous resistance and surface tension, it is easy to cause clogging, so it is difficult to achieve a good atomization effect. Therefore, this type of micro-spray device also has strict restrictions on the viscosity of the liquid that can be atomized.

Method used

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  • Instant heat ultrasonic micro-spray device
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Embodiment Construction

[0020] The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0021] like figure 1 , 2 As shown, the instant thermal ultrasonic micro-spraying device of this embodiment includes: the device includes: an ultrasonic micro-nozzle 1, an ultrasonic excitation power supply 2, and a liquid inlet pipe 6 for supplying the liquid to be atomized to the ultrasonic micro-nozzle 1 . It also includes: a microwave heater 3 arranged on the liquid inlet pipe 1 for heating the liquid to be atomized.

[0022] Wherein, the ultrasonic micronozzle 1 includes: an ultrasonic horn 1a, which plays the role of amplitude amplification; an ultrasonic transducer 1b, which is arranged on the ultrasonic horn 1a, and is connected with the ultrasonic excitation power supply 2; the elastic cavity film 1d and the array nozzle Hole film 1e, one side of the elastic cavity film 1d is connected to the front end of the ultrasonic horn ...

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Abstract

The invention relates to an instant heat ultrasonic micro-spray device which comprises an ultrasonic micro-nozzle, an ultrasonic excitation power supply and a liquid inlet pipe used for supplying liquid to be atomized for the ultrasonic micro-nozzle. The instant heat ultrasonic micro-spray device is characterized by also comprising a heater which is arranged on the liquid inlet pipe and is used for heating the liquid to be atomized. For adopting an instant heating and heat insulation device, the invention can reduce the viscosity of large-viscosity liquid to satisfy the requirement of liquid atomization; and because of the design of a high-density nozzle array, droplets with uniform diameter can be obtained, and the adaptation range of the liquid atomization is increased.

Description

technical field [0001] The invention relates to an atomizing device for a liquid medium, in particular to a device for instantly heating and ultrasonically atomizing a high-viscosity liquid, belonging to the field of liquid atomization. Background technique [0002] Liquid spraying is the process of spraying a liquid into a gaseous medium through a nozzle to disperse and break it into small droplets. Due to the high-speed motion of the liquid relative to the air or gas, or due to the application of mechanical energy and the rotation or vibration of the spraying device, the liquid is atomized into fine particles of various size ranges. [0003] Since the late 1980s and early 1990s, ultrasonic atomization as a new atomization technology has gradually attracted people's attention. When liquid flows through an atomizing surface actuated by an ultrasonic transducer, a wavy liquid film is formed on the atomizing surface. As the vibration amplitude increases, the amplitude of the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B05B17/06B05B15/00
Inventor 牟鹏向东何磊明段广洪瞿德刚
Owner TSINGHUA UNIV
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