SCY series of single cylinder scalperator is mainly used for the preliminary cleaning of storage cereal by means of particle size differences between products and impurities. The impurities in the cereal greater or less than the sieve surface are separated when the sieve plate rotates continuously. It has the large output, lower power consumption, good cleaning effects, smooth transmission and lower noise. Part of the model is equipped with air suction device, which can remove the light impurities and dust more effectively.