Major factor
The main factors affecting the screening effect are the feeding amount, the size of the screen, the size of the screen surface, the Angle of the screen surface, the wear of the screen, the water content of the material, etc.
What are the factors that affect the screening effect?
Feeding quantity
increase the feeding quantity under the same conditions, the absolute quantity of products under the screen increases, but the screening efficiency decreases accordingly. The practice shows that the screening efficiency of 55% ~ 70% is suitable to maintain high yield and obtain better screening quality. If the screening efficiency is excessively improved, the yield will be greatly reduced. And excessive reduction of screening efficiency, and increase the cycle load, increase power consumption.
Sieve size
sieve size is too large and too small will affect the screening effect. Small screen, although it can improve the qualified rate of products under the screen, but the yield is low, especially when the screening material is wet, it will lead to the blockage of the screen; Screen is too large, screen mesh is thick, the net area of the screen is reduced as a result, the production quality is reduced.
Screen area size
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Screen surface inclination
the larger the installation inclination of screen body, the lower the yield and screening efficiency. But the Angle is too small, will cause material accumulation on the screen surface, is not conducive to screening. Therefore, the installation Angle of the screen should be able to adjust at any time according to the requirements of the quality of the screening products.
Screen wear
long-term use, can make the screen wear, so that the screening effect is reduced, so it must be replaced in time.
Moisture level
material water, easy to block the screen, although the sieve product qualified rate is high, but screening efficiency and output are reduced.
