Working Principle of Ultrasonic Vibrating Screen

The working principle of the ultrasonic vibrating screen is to convert 220V, 50Hz or 110V, 60Hz electric energy into 18KHz high-frequency electric energy, input it into the ultrasonic vibration sensor, and convert it into 18KHz mechanical vibration, which is transmitted to the screened materials through the screen, thereby achieving efficient screening, and cleaning the screen.

Different from ordinary rotary vibrating screens, ultrasonic vibrating screens add an ultrasonic device to the foundation so that the screen is subject to low-frequency vibrations and at the same time superimposed with high-frequency ultrasonic vibrations. The ultrafine powder undergoes huge ultrasonic acceleration, while the large particles on the screen are in a suspended state, which avoids network-blocking factors such as material adhesion, friction, leveling, and wedging, and can effectively accelerate the screening process of materials. Therefore, the use of ultrasonic waves The screening pass rate is 50%-400% higher than that of ordinary vibrating screens.

Ultrasonic Vibrating Screen

Application of Ultrasonic Vibrating Screen

Ultrasonic vibrating screens are specially designed to handle materials with strong adsorption, easy agglomeration, high static electricity, high fineness, high density, and light-specific gravity. Dry powder particle size classification can be up to 25µm or liquid filtration can be down to 10µm. Especially suitable for screening high-quality, fine powders, such as 400 mesh, 500 mesh, and 600 mesh screening silicon carbide, alloy powder, molybdenum powder, stainless steel powder, tungsten powder, nickel powder, cobalt powder, powder coating, quartz Powder, bumidone powder, malt powder, ribavirin, coffee powder, electromagnetic powder, negative electrode material, laser powder.  

Features of Ultrasonic Vibrating Screen

  • High-precision, high-mesh screening, material screening mesh number >500 mesh.
  • Precisely control the particle size range of materials to achieve high-precision screening.
  • It can be used in single layer or multi-layer, and a set of intelligent ultrasonic generators can drive three ultrasonic transducers at the same time.
  • The screen is self-cleaning and has no mesh clogging, improving screening efficiency.
  • Keep the properties of the materials being processed stable.
  • It can improve the screening accuracy by 1-100% and increase the output by 1-10 times.

Ultrasonic Vibrating Screen Eccentric Block Adjustment

1. Weight of the eccentric block: Increasing the weight of the eccentric block (to the eccentric weight) can increase the amplitude of the ultrasonic vibrating screen. The lower eccentric block controls the up and down amplitude of the screen machine, and the upper eccentric block controls the left and right amplitude of the screen machine;

2. Angle of the eccentric block: Adjusting the angle of the eccentric block can control the running trajectory of the material on the screen. For specific adjustment angles, please refer to the instructions provided with the ultrasonic vibrating screen and adjust it according to the characteristics of the material.

Amplitude Adjustment of Ultrasonic Vibrating Screen

The adjustment of the amplitude of the ultrasonic vibrating screen affects the screening output and accuracy of the materials. The amplitude adjustment is divided into 3 stages.

  1. Low amplitude: It is mainly used for materials that are heavier in proportion to the material and have good fluidity. There is no need to make the material jump very high.
  2. Medium amplitude: Mainly used for screening general materials, which can prevent the materials from blocking the network and preventing the materials from jumping too high.
  3. High amplitude: It is mainly used on materials with light-specific gravity, very high viscosity, and static electricity to prevent the materials from adhering. The high amplitude of ultrasonic waves can break up the materials, which is more conducive to the screening of materials.