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An electronic ultrasonic nanoparticle suspension dispersion device and method

A technology of nano-particles and dispersing device, which is applied in the method of granulating raw materials, device for coating liquid on the surface, mixing method, etc., can solve the problems of limited dispersing ability, affecting dispersing effect, and limiting cavitation effect of dispersing device, etc. , to achieve the effect of enhancing its own repulsive force, strong use flexibility, and significant cavitation effect

Active Publication Date: 2021-04-02
KUNMING UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing dispersion devices and dispersion methods are difficult to meet the dispersion requirements
One is to adjust the applied voltage of the transducer by adjusting the input voltage of the ultrasonic generator, thereby changing the working current of the transducer and realizing the change of the resonant frequency and power of the transducer, but this method involves too many intermediate links and The adjustment parameters are unstable; one is that the dispersing device is only equipped with a stirring shaft, but this method lacks the enhancement of the repulsive force between fine particles, and its dispersing ability is limited
In addition, in most existing dispersing equipment, the transducer is installed on the bottom of the dispersing tank, which can only generate ultrasonic waves propagating in one direction in the tank, so the cavitation effect of the dispersing device is limited, which in turn affects its dispersing effect

Method used

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  • An electronic ultrasonic nanoparticle suspension dispersion device and method
  • An electronic ultrasonic nanoparticle suspension dispersion device and method
  • An electronic ultrasonic nanoparticle suspension dispersion device and method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Embodiment 1: as Figure 1~3 As shown, the electronic ultrasonic nanoparticle suspension dispersing device includes a dispersion tank 1, an ultrasonic transducer I2, an ultrasonic transducer II3, a cable 4, an ultrasonic generator 5, a controller 6, a motor 7, and a coupling 9 , electronic generator 10, stirring shaft 11, stirring paddle 12;

[0025] The ultrasonic transducer I2 is installed on the bottom surface of the dispersion tank 1, the ultrasonic transducer II3 is installed on the side surface of the dispersion tank 1, and the ultrasonic transducer I2 and the ultrasonic transducer II3 communicate with the ultrasonic wave through the cable 4 respectively. Generator 5 is connected, and described motor 7 is fixed on the top of dispersing tank 1 by bracket, and the motor shaft 8 of described motor 7 is connected by thread with shaft coupling 9, and the top of shaft coupling 9 and stirring shaft 11 is connected by bolts, The bottom of the stirring shaft 11 extends in...

Embodiment 2

[0049] Embodiment 2: The structure of this embodiment is the same as that of Embodiment 1, except that the diameter of the metal wire 13 is 0.8mm, and the bottom of the stirring shaft 11 is connected with the stirring paddle 12 through a key and a set screw.

Embodiment 3

[0050] Embodiment 3: The structure of this embodiment is the same as that of Embodiment 1, except that the diameter of the metal wire 13 is 1 mm.

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Abstract

The invention discloses an electronic ultrasonic nanoparticle suspension dispersion device and method, comprising a dispersion tank, more than one ultrasonic transducer I, more than one ultrasonic transducer II, cable, ultrasonic generator, controller, motor, Couplings, electronic generators, stirring shafts, stirring paddles; more than one ultrasonic transducer I and more than one ultrasonic transducer II are respectively installed on the bottom or side of the dispersion tank, and the motor is fixed on the Above the dispersion tank, the motor shaft is connected to the top of the stirring shaft through a coupling, the bottom of the stirring shaft extends into the dispersion tank, and a hollow cavity is provided inside the stirring shaft, and the electron generator is located in the hollow cavity of the stirring shaft In the body, it can enhance the repulsion between the suspension particles and can simultaneously generate nanoparticle suspensions of different frequencies and different directions of ultrasonic propagation, realizing the simultaneous operation of multi-frequency and multi-directional ultrasonic waves, making the cavitation effect of the medium more significant.

Description

technical field [0001] The invention relates to an electronic ultrasonic nanoparticle suspension dispersion device and method, and belongs to the technical field of nanoparticle suspension preparation. Background technique [0002] The dispersion of nanoparticle suspension is a key link in the preparation of stable nanoparticle suspension. However, the existing dispersing devices and dispersing methods are difficult to meet the dispersing requirements. One is to adjust the applied voltage of the transducer by adjusting the input voltage of the ultrasonic generator, thereby changing the working current of the transducer and realizing the change of the resonant frequency and power of the transducer, but this method involves too many intermediate links and The adjustment parameters are unstable; one is that the dispersing device is only equipped with a stirring shaft, but this method lacks the enhancement of the repulsive force between fine particles, and its dispersing abilit...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01F11/02B01F3/12B01F13/00B01J2/30
CPCB01J2/30B01F23/51B01F31/80B01F33/052
Inventor 张莲芝吴张永郭翠霞蔡晓明王瑞张晓龙龙威
Owner KUNMING UNIV OF SCI & TECH
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