Vibrating screen design
Vibrating screen design is critical for vibrating screen manufacturing, one of the oldest and most widely used physical size separation techniques.
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Vibrating screen design
Vibrating screens, which are the mainstream of screening machines, have been widely used in iron ore and coal, whose separation capacity depends on the development of theoretical screening technology. The complexity lies in the particle size distribution and industrial solid composition, as well as the interaction between particles and machines. As a result, effective analytical and experimental techniques are needed to study particle systems. Specifically, a mathematical model that describes the parameters related to screening efficiency needs to be proposed for the design and manufacture of vibrating screens.
The use of vibrating screens in mining, aggregate, asphalt mixing and road construction sectors contributes to the final profit and tangible cost reduction of companies by saving every penny thanks to high-quality production, fast part replacement and long wear life. These high-precision wire mesh sets, which are one of the most important components of vibrating screens, stand out with their long wear life and high impact resistance. These wire meshes, which are superior in quality, form the cornerstone of production standards and quality assurance in all the mentioned industries. You can see the working principle of vibrating screens in the animation below.
When the mixed gas enters the system from the middle section of the washing tower, the liquid product component between the trays and the vaporized part of the product component gas simultaneously liquefies. However, impurities do not become liquid or solidify. As the gas passes through the liquid component trays, the liquid product component is fixed and thus an effective washing effect occurs. The design and production of the washing tower was carried out based on this principle.
What are the principles of vibrating screen design?
✓ The main purpose of vibrating screen design is to meet the required materials and separate qualified products from unqualified products within a certain period of time. Therefore, when designing vibrating screens, it is necessary to consider the screening requirements, including safety, efficiency, stability and reliability. At the same time, the characteristics of the material such as particle shape, size, density and adhesion should also be considered.
✓ The vibrating screen adopts elliptical or linear motion trajectory. The processing capacity is ≥60 L/s, which meets the normal use of 200 mesh screen cloth.
✓ The vibrating screen motor is a short rod or long rod explosion-proof excitation motor. The same series of vibrating screens should use the same motor manufacturer, the same specifications and type of vibration motor, and they are universally interchangeable. It is recommended to use a vibration motor with adjustable driving force.
✓ Reasonable structure and easy operation. In order to facilitate operation and maintenance, the rationality of the structure should be taken into account in the design of the vibrating screen. Therefore, the operation control and maintenance of the vibrating screen should be simple. At the same time, the work intensity should be fully considered in the system design to ensure the safety and health of operators.
✓ Appropriate vibration force and vibration frequency. The design of the vibrating screen should take into account the usage requirements. The appropriate vibration force and vibration frequency should be selected for different materials. When selecting the vibration force, it is necessary to consider the characteristics of the material and the selection of the screen. When selecting the vibration frequency, factors such as output, screen aperture and material properties should be fully considered.
Vibrating screens have elliptical motion with the drive mechanisms located on the upper part of the screen body. With this elliptical motion, the material moves faster in the feeding area of the screen and the material spreads immediately to the screen tables, which allows the fine material to fall to the lower floors at the beginning of the screen. When the material reaches the exit end of the screen, it slows down and waits longer on the screen. With this motion feature, the screening efficiency of the screen increases even more.
Frequently asked questions
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