Working Principle and Process Effect Analysis of Stone ...A destoner machine separates heavy impurities like stones, metal, and dirt from lighter products (grains, seeds, nuts) using density, vibration, and air flow, ensuring cleaner food products by moving heavier items uphill on vibrating screens while lighter items are discharged separately, preventing damage to processing equipment. These machines are essential in food processing, featuring adjustable screens, air blowers, and sometimes magnets, with types including gravity, vibratory, and suction, crucial for quality control in milling operations. How it works Feeding: Raw material enters the machine, usually via a hopper, and is distributed onto a vibrating, inclined screen deck. Air Flow: A blower pushes air upwards through the mesh screen, creating a “fluidized bed”. Separation: Lighter products (grains, seeds) are lifted by the air and move to the top or a separate outlet. Heavier impurities (stones, metal) sink to the bottom of the screen. Vibration: The deck's vibration moves the heavier materials uphill towards their own outlet, while the clean, lighter product flows to another. Key components Vibrating Decks/Screens: Often multiple decks with mesh for separation. Blower/Fan: Generates the necessary airflow. Air Recycling System: Recirculates air for efficiency, with optional dust collectors (cyclones). Motors/Pulleys: Drive the vibration. Outlets: Separate channels for clean product and heavy impurities. Types Gravity Destoners: Rely on density and air currents. Vibratory Destoners: Add precise vibration for better control. Suction-Type Destoners: Use strong suction fans. Magnetic Destoners: Incorporate magnets to capture ferrous metals. Applications Grains & Cereals: Rice, wheat, corn, barley. Pulses & Seeds: Beans, sunflower seeds, oil seeds. Spices & Flours: Removing contaminants before final processing. Vegetables: Potatoes, carrots. MODEL SHAKER MOTOR PRODUTION 1/4 TON 2.5'X1.25' 2HP 250KG/HR 1/2 TON 4'X2' 3HP 500KG/HR
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