Destoner machine is an agricultural and industrial device used to remove stones, dirt, and other heavy foreign materials from grains, seeds, or other food products. It is an essential part of food processing and cleaning systems, especially in industries that deal with grains like rice, wheat, beans, coffee, and seeds.
The destoner machine operates based on differences in weight and density between the grains and the unwanted stones or other impurities. It uses a combination of airflow, vibration, and gravity separation to efficiently remove stones and heavy materials from the grain.
Feeding System: Grains or seeds are fed into the machine, either manually or through an automatic system. The product spreads evenly across the vibrating deck.
Vibration: The destoner's vibrating deck moves the grains forward while separating heavier objects (like stones) from the lighter grains.
Air Suction/Blower: Air is blown upwards through the vibrating deck. Since stones are denser than grains, they settle to the bottom and are moved in one direction, while the lighter grains float on the air cushion and move in another direction.
Separation: The heavy stones and impurities are removed from the system, and the clean grains are discharged through a separate outlet.
Pressure Type Destoner: Uses forced air pressure from below the deck to lift lighter materials like grains, while heavier impurities like stones stay on the vibrating deck and are separated.
Vacuum Type Destoner: Uses a vacuum to suck lighter materials (grains) while stones and heavy materials are removed by vibration.
High Efficiency: Modern destoners can achieve high rates of separation, ensuring that even the smallest stones are removed from grains with minimal loss.
Adjustable Airflow and Vibration: These machines allow operators to fine-tune the airflow and vibration settings, depending on the size and weight of the grains and impurities.
Compact Design: Destoners come in various sizes, making them suitable for small- and large-scale operations. Compact designs are available for use in smaller facilities.
Low Power Consumption: Many destoner machines are designed to be energy-efficient, providing powerful performance without high energy costs.
Stainless Steel Construction: Most food-grade destoners are made of stainless steel to ensure hygiene and prevent contamination.
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