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Rotary Vibrating Screen VS Direct Discharging Flour Sifter Machine

Views: 14     Author: Sanyuantang     Publish Time: 2023-11-24      Origin: www.sanyuantangcn.com

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Rotary Vibrating Screen and Direct Discharging Sifter Machine are common screening equipments, which are used for screening and classifying materials. However, there are some differences between them, including working principle, structural characteristics, application scope, price and so on.Rotary Vibrating Screen



Appearance



Rotary vibrating screen and self-discharge screen are very similar from the appearance, both are round sieve. But the motor of rotary vibrating screen is a vertical vibrating motor, the equipment can do 1-5 layers of 6 levels of screening, usually using three layers of screen mesh. Rotary vibration sieve screen can be as fine as 500 mesh, for the fine materials below 60 mesh screening effect is better than the straight row sieve.


Inline sieve adopts horizontal vibration motor, according to the demand can choose single side motor and double side motor. Inline sieve screen commonly used mesh 12 mesh, 20 mesh, 24 mesh, 30 mesh, 40 mesh, 60 mesh, usually using a single layer of screen mesh for material screening.



Structure



There are also some differences in the structural characteristics of rotary vibrating screens and inline screens. Rotary screens are usually arranged horizontally and consist of a screen box, a vibrator and a screen surface. The vibrator makes the screen box and screen surface vibrate by generating vibration force.


The inline screen is usually arranged vertically, and the screen surface consists of multi-layer screen panels, with different sizes of holes in each layer.


Working Principle


The working principle of rotary vibrating screen is to use vertical vibrating motor as the excitation source, driven by the motor material in the screen frame to do horizontal, vertical, inclined three-dimensional movement. The materials are separated by the elliptical movement trajectory produced by the vibrating screen machine. After the material is put into the feed port, it is vibrated by the vibration force, and makes linear vibration up and down along the elliptical trajectory. This vibration can make the materials spread, separate and dewater quickly on the screen surface. Rotary vibrating screen is suitable for fine particles and multi-classification screening work.


Rotary Vibrating Screen


The working principle of Direct Discharging Sifter Machine is to double vibration motor as the vibration source, driven by the motor material in the sieve frame to do elliptical movement, rapid and reciprocating to realize the material over the screen action. Through the material on the screen surface under the action of gravity from top to bottom of the linear movement, and screen surface to complete the screening process. After the material is evenly distributed in the upper feeding area, it gradually passes through the screen surface in a downward direction. In this process, the larger particles are blocked by the screen mesh above, while the smaller particles fall through the screen holes to the bottom. Therefore, inline screens are suitable for screening relatively large particles.



Application


Inline sieve and rotary vibration sieve in the scope of application is also different.


Rotary vibration sieve can be particles, powder, slurry materials for effective screening work, can be 400 mesh powder materials, 500 mesh slurry materials for effective screening work. Mainly used in chemical industry, food, food, pharmaceuticals and other fine particles and difficult to screen materials screening.


Straight row sieve is mainly for a large number of particles, powder materials, coarse screening in addition to impurities. Straight row sieve mesh is larger, can make the material quickly through the screen, can screen 60 mesh powder materials, screening output is more than 4 times the rotary vibration sieve. Straight row screen is suitable for the front-end feeding system of the production line, mainly used for coal, ore, cement and other large particles and materials that are not easy to adhere to the screen.



Mesh Clearing Method


The rotary vibrating screen is equipped with a special bouncing ball clearing device, and the bouncing ball is placed in the lower part of the screen, which is carried by the ball carrier. During the screening process, the bouncing ball produces secondary vibration to clean up the mesh surface to avoid clogging.



Inline sieve general screening are particles, or coarse powder materials, not easy to block the mesh, so generally do not need special mesh clearing device.



Price



The following is the common rotary vibrating screen and straight row sieve price list.



From the above, it can be seen that the larger the diameter and power of the vibrating screen, the more expensive it is, so when selecting the type, it should be customized according to the needs of the choice, to avoid wasting the cost due to the selection error. In addition, the price of rotary vibrating screen and inline sieve is also affected by the material and customization requirements.



1, Material


Rotary vibrating screen material: stainless steel, carbon steel and plastic. Straight row sieve material: stainless steel, carbon steel.

Different materials determine the price. The difference between carbon steel and stainless steel is between 100$ and 200$, and plastic is cheaper.




2、Customization


Rotary vibrating screen and inline sieve can choose to customize the number of screen layers, gates, bins and so on. Inline sieve can additionally add brackets and movable wheels. The specific price should be decided according to the customer's customization requirements.




Conclusion



In short, the advantages of rotary vibrating screen and inline screen are different, and the selection of suitable screening equipment needs to be decided according to the characteristics of the material, particle size and production requirements. If you want to know more, please feel free to contact us.


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