Circulating multi-stage ultrasonic scattering method

An ultrasonic and circulating technology, applied to chemical instruments and methods, dissolving, mixing machines, etc., can solve the problems of uneven particle size, low dispersion efficiency, and large floor space, and achieve reduced energy consumption, simple maintenance, and occupied space. small area effect

Inactive Publication Date: 2007-08-15
HANGZHOU DIANZI UNIV
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  • Abstract
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Problems solved by technology

[0016] (2) The particles are uneven and the size dispersion range is large;
[0017] (3) Low dispersion efficiency;
[0018] (4) Large area;
[0019] (5) High production cost
[0020] (6) The physical and chemical effects of the dispersed substances are not fully utilized

Method used

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  • Circulating multi-stage ultrasonic scattering method

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Embodiment Construction

[0030] The invention converts the 220V, 50Hz alternating current into an ultrasonic frequency electrical oscillation signal, and the transducer converts the electrical oscillation signal output by the ultrasonic generator into an ultrasonic frequency mechanical vibration; the horn amplifies the longitudinal vibration of the transducer and transmits it to the A tool in a liquid to disperse solid particles or biological tissues in a liquid.

[0031] The dispersion of ultrasonic waves in the liquid depends entirely on the cavitation of the liquid. However, if the acoustic wave intensity is lower than the cavitation threshold, or the cavitation is deliberately controlled, cavitation will not occur. In the final analysis, ultrasonic dispersion relies on the basic mechanism of "cavitation".

[0032] The present invention proposes a circulating multi-stage ultrasonic dispersing machine, in which multiple sets of ultrasonic dispersing devices of different power and frequency are conn...

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Abstract

The invention discloses a cyclic multistage ultrasonic disperse method, wherein the invention serially connects multistage ultrasonic dispersers with different powers and frequencies, continuously pumps the mixed liquid in a liquid groove into an inlet of a first-stage ultrasonic disperser, and feeds the mixed liquid dispersed by the first-stage ultrasonic dispersers into a second-stage and a third-stage ultrasonic dispersers via the pressure of pump to be dispersed, and the invention processes aforementioned steps to realize multistage ultrasonic disperse until reaching preset disperse demand. The invention can break the accumulated slag in fuel oil into uniform ones, and reduce energy consumption via high-efficiency cyclic multistage ultrasonic disperser, with small volume, simple maintenance and high disperse efficiency.

Description

technical field [0001] The invention relates to the dispersion field, in particular to a circulating multistage ultrasonic dispersion method. Background technique [0002] One phase is the state of particles, the system dispersed in other phases is called dispersion system, the particles are called dispersed matter or dispersed phase, and the other phases that become media are called dispersed media or continuous phase. [0003] According to the size of the dispersed particles, the dispersion system can be divided into three categories: [0004] (1) Macroscopic (coarse) dispersion system [0005] (2) Colloidal dispersion system [0006] (3) Molecular dispersion system [0007] In the first dispersion system, the diameter of dispersed particles is above 0.1 μm. [0008] Generally, the dispersed phase that constitutes the dispersion system includes gas, liquid, and solid, and the dispersion medium can also be gas, liquid, or solid. Among them, when the liquid phase is dis...

Claims

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Application Information

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IPC IPC(8): B01F11/02
Inventor 张云电张宇
Owner HANGZHOU DIANZI UNIV
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