BLSD Series Suction Type De-Stoner BLSD Series Suction Type De-Stoner is mainly used in foodstuff plants. The De-stoner is able to ... , thus separating the two of them. This machine employs vibration motor driving gears, which ensures stable operation ,sturdy and reliable work ... , grains , grease , feedstuffs and chemical products. BLSD Series Suction Type De-Stoner