Vibratory Screening Machine

Product description

The rotary vibrating screen is an efficient screening equipment. Its main body is usually driven by a vertical motor as the excitation source. Through the eccentric weights installed at the upper and lower ends of the motor, the screen surface generates three-dimensional vibrations in the horizontal, vertical and inclined directions. The materials on the screen surface spread and move in a spiral shape from the center to the periphery, thereby achieving the classification and screening of materials of different particle sizes. It features high screening accuracy, large processing capacity, compact structure and good sealing performance, and is widely used in the screening and filtration of granular and powdered materials in industries such as chemical engineering, food, medicine and mining.

Working principle
The core working principle of the rotary vibrating screen lies in achieving material screening by utilizing the three-dimensional vibration effect. The specific process is as follows:
Excitation source drive: With a vertical motor as the power core, eccentric weights are respectively installed at the upper and lower ends of the motor (the upper weight controls the horizontal vibration, and the lower weight controls the vertical vibration).
Vibration mode generation: When the motor rotates, the eccentric effect of the upper and lower weights causes the screen surface to simultaneously generate compound vibrations in the horizontal, vertical and inclined directions, forming a three-dimensional elliptical motion trajectory.
Material movement path: After the material falls into the feeding port at the center of the screen surface, it spreads in a spiral shape from the center to the periphery under the effect of vibration. Fine particles fall through the screen mesh, while coarse particles are discharged along the edge of the screen surface.
Screening accuracy adjustment: By adjusting the eccentricity Angle of the weight hammer, the number of counterweight blocks or the motor speed, the vibration amplitude and frequency can be changed, thereby controlling the movement speed of the material on the screen surface and the screening time, and achieving precise classification of materials of different particle sizes.
 
Features & Benefits

- Unique vibration: Three-dimensional compound vibration, material spiral diffusion, uniform screening.
- High efficiency and precision: The screening accuracy is over 95%, and the processing capacity is 30%-50% higher than that of traditional screens.
- Compact structure: Small footprint, sealed design to prevent dust, suitable for clean environments.
- Flexible adjustment: Adjustable parameters such as the Angle and rotational speed of the weight hammer to adapt to different materials.
- Easy maintenance: The screen can be quickly disassembled, the components are easy to inspect and repair, and it is highly durable.
- Wide application: Suitable for particles, powders, slurries, etc., covering multiple industries.

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