How to Determine Efficiency of the Vibrating Screen

The high frequency vibrating screen is composed by the exciter, ore slurry distributor, screen frame, rack, suspension spring, sieve and other components. In addition, the high frequency vibrating screen uses the cylinder-type eccentric shaft exciter and the eccentric block to adjust the amplitude with long drip line of the material sieve and many screening specifications. Well, in the screening process, will the technical and economic indicator, namely the screening efficiency (quality indicators) and productivity (number of indicators) meet the ultimate desired effect of the users? What factors affect the screening of the high frequency vibrating careen?
Compared with the general screening equipment, the high-frequency vibrating sieve uses the high frequency, which can destruct the tension on the surface of the pulp and the high-speed oscillation of the fine materials on the surface of the sieve. In this way, the separation effect of the large-density useful minerals can be accelerated and the contact probability of the materials less than the separation particle with the sieve hole. Therefore, good separation conditions can be formed so that the materials less than the separation size, especially the materials with large ratio can become the products under the sieve with the slurry.
The above description shows that the main factors to affect the high-frequency vibrating screen can be roughly divided into three cases.
The first is the physical properties of the material sieved. The physical properties include the grain composition of the material itself, humidity, mud content and the particle shape. When the fine particles contents of the material are too large, the productivity of the sieve will be large. When the humidity of the materials is large, generally, the screening efficiency will be reduced. If the size of the sieve hole is large, the water effect will be little. Therefore, for the wet materials with large moisture content, you can enlarge the sieve hole to improve the screening process.
The second is the properties and structure parameters of the screen surface. The straight line high frequency vibrating screen makes the particles and the screen surface do vertical movement, so the screening efficiency is high and the production capacity is great.
The third are the production conditions and sieve amplitude. When the load of the sieve is too large, the screening efficiency will be low. Meanwhile, feed uniformity has great significance for the screening process, so the inclination angle of the sieve should be appropriate.
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