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in China's feed mill, screening technology is widely used in filtering impurities and material classification, including the liquidation of raw materials, granulation powder before; on the crushed material, granulated product classification. We can say that the application Shaker devices have a very important effect on feed processing efficiency and production quality.
I. Shaker factors screening efficiency of feed
we put on the expected and actual sieve sieve material retention ratio (mesh net rate); retention ratio (false screening rate) on the material and sieve sieve as the anticipated impact of screening an important indicator of the efficiency. Clean-up operation, focused primarily on the effect of the net loss of raw materials and the removal of impurities; in classification, focused primarily on product size and production; and in the detection, focused primarily on the reliability of the classification results. Factors that
Second, the effects of vibration sieve effect
affect the screening effect are: diameter mesh, mesh wire diameter, the screen surface inclination and the like Raymond Mill</a>.
1, the shape of the particles and the sieve: the feed industry, mostly with cylindrical sieve material as raw material, and the mesh may be circular and to be a rectangle, a state on the rate of particles through the larger (although there some chance), we can only say, cylindrical pellets with a rectangular mesh; irregular particles with a round hole; so as to achieve the best pass rate.
2, sieve opening rate: In general, a large screen surface open porosity by performance better; in some cases the strength of the screen surface, woven sieve opening ratio than the screen and punching through some high-performance, .
3, material thickness: when using a flat screen, the screen surface is too thick prone to error screen will cause the waste of raw materials, so that production can be reduced by particle sizing, affecting product quality; and if the material layer is too thin, the screen sub output will be low. Therefore, customers should choose the appropriate thickness of the screen surface and the material layer, such as: the screen surface inclination small, large amplitude of the sieve material layer may be thicker. Yield based on the specific choice, but the actual production, the screen surface tilt caused due to the centralized material is inevitable,
4, sieve motion states: between the filter material and screen surface suitable relative motion, such as the screen surface for horizontal reciprocating linear sports, vertical reciprocating linear motion (vibration) or a combination of both. And only one of them is not very good for screening, often need to combine the two in order to achieve higher screening efficiency.
5, the material properties: This includes material particle size, moisture content, friction characteristics, mobility, etc. Material particles generally there are differences, and the bigger the difference, the better for screening, but the humidity is not good screening materials, and customers to select the specific parameters depending on the circumstances.
Henan sieve shaker Tips: The main component is a sieve shaker, currently widely used is perforated steel screens and woven sieve.
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