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2024

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06

Working principle of spiral classifier

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The working principle of the screw classifier mainly depends on the combination of the screw conveyor and the centrifugal classification. The material enters the screw conveyor of the screw classifier through the feed port. The screw conveyor advances the material in a high-speed rotating manner, and the particles will move upward under the push of the screw conveyor due to the difference in weight and size. In this process, the particles will be affected by centrifugal force, large particles have large inertia and small centrifugal force, and will approach the bottom of the casing downward; small particles have small inertia and large centrifugal force, and will approach the top of the casing.
With the movement of the material in the spiral classifier, particles of different sizes will be separated along different paths, and finally the material will be classified through the screen or the effect of wind. By adjusting the parameters such as the speed and slope of the spiral classifier, the particle classification of different particle sizes can be realized.
The working principle of the spiral classifier is simple and efficient, and it is widely used in food processing, chemical industry, medicine and other fields. Its classification effect is stable and reliable, easy to operate, making it one of the ideal choices for many enterprises to classify granular materials.

螺旋分级机