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The Stock flows at a uniform feed rate through the feed gate is spread across the entire width of sieve. The sieve box is equipped with three layers of sieves.. Air is drown through the sieves during the sieving operation. The lowest density particles are lifted with the help of fluidisation by air and then aspirated through the aspiration hood. The clean semolina’s drop in shaking channel depending on the quality requirements while hull particles with low gravity floats on the cushion of air towards the outlet.
