5XZS-20DS Seed cleaning and processing machine's function:Double air cleaning,vibration sieve pre-cleaning and gravity separating. 5XZS-20DS Seed cleaning and processing machine.The grain seeds are lifted by the bucket elevator and enter to vibratory sieving trunk for quickly removing small and large impuritiy,at same time,the double air cleaning system remove the light impurity.Then the air cleaned seed enter to the gravity table fro remove the bad seed(partically eaten,immature,inset damaged,sick seed,etc.)The grain after processed by that machine become seeds which can be sowed directely.