Dry Extruder: Core Power and Process. The Dry Floating Fish Feed Making Machine is the "heart" of the dry dog food making machine. It employs a twin-screw structure design, with both the screws and barrel made of wear-resistant alloy steel, suitable for high-intensity friction processing of dry materials. Its core function is to achieve dry extrusion through "friction heating + steam assistance," eliminating the need for additional water and directly converting dry materials into cooked pellets. Simultaneously, by adjusting the die orifice diameter and cutter speed, the pellet shape and size can be flexibly controlled to suit the needs of dogs of different sizes. Compared to ordinary extruders, the dry extruder offers superior sealing performance and temperature control accuracy, preventing dust leakage and temperature fluctuations.
Auxiliary Components: Compatible with the Dry Type Fish Feed Pellet Processing Machine. The raw material processing system (crusher, mixer, and screener) provides standardized dry materials to the extruder, ensuring uniform feeding, no impurities, and adequate moisture content to prevent blockage or wear. The drying and cooling machine receives the semi-dry pellets from the extruder and dries them with precise temperature control to reduce moisture to dry dog food standards. Its drying efficiency is precisely matched to the extruder's capacity to prevent pellet accumulation and spoilage. The control system, via PLC, links the extruder and auxiliary components, monitoring the extruder's temperature, pressure, speed, drying temperature, and feeding speed in real time to ensure stable operation.
The transmission and lubrication system ensures long-term operation of the Dry Type floating fish feed pellet making machine. The transmission system provides stable power to the extruder screw, ensuring a constant speed (250-350 r/min) and preventing uneven extrusion due to speed fluctuations. The lubrication system regularly adds special lubricating oil to the extruder screw, bearings, and gears to reduce dry friction loss and extend the extruder's lifespan. These two systems are crucial for the extruder's continuous and efficient operation, directly impacting the production continuity of the dry dog food making machine.
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