... separate grade Introduction:sunflower seed cleaner1, For high impurities contents material(sunflower seed, melon seed, buckwheat, flaxseed, Perilla seed);2, Double air ... , highly increased production and screening effect. (for sunflower seed, single air sieve,one ime wind for screening is ... air sieve, wind distribution no priority, very even;Some soil block is broken to dust in vibration process, then ...