The BEAN CLEANING MACHINE includes processes of once magnetic separation, twice cleaning and destoning. Materials are conveyed by elevators and 2 groups of aspiration systems are used to dedust. It includes 2 sifting processes to remove big and small impurities in the raw bean. Then the destoner fully removes the stones. The magnetic separator increases purity of the finished products to guarantee good taste by removing metal impurities so as to prevent them going into the final beans.
Once selection and twice bushing processes lead to lustrous beans, increasing high yield, low brokens and uniform granules. After color sorting, the beans up to national standard can be packaged. Once selection process removes impurities in the bean; twice polishing processes dedust the materials to increase lustrousness; The vibration sifter grades