How a Wet Pet Food Extruder Machine Works Step by Step？

Wet Extruder: The core of the equipment. The wet dog food extruder machine uses a twin-screw wear-resistant structure, with both the screw and barrel made of food-grade stainless steel, capable of withstanding corrosion and friction from high-moisture materials. It features a built-in precise temperature control and moisture monitoring module, maintaining a stable low temperature range of 80-100℃ to prevent nutrient loss from high temperatures; equipped with an automatic water addition system, it dynamically replenishes water according to the material's moisture content, ensuring a stable extrusion pressure of 2-4MPa. The adjustable die head at the discharge end allows for flexible switching of particle size to suit different needs, including puppies and adult dogs.

Auxiliary Components: Operate in conjunction with the wet dog food maker machine. The raw material processing module (crusher, mixer) provides standardized high-moisture materials to the extruder, ensuring uniform feeding and no impurities. The low-temperature sterilization machine receives the extruded pellets, working in conjunction with the extruder's low-temperature process to strengthen food safety. The vacuum filling machine must be precisely matched to the wet dog food making machine's capacity to prevent the wet pellets from oxidizing and deteriorating in the air. The PLC control system monitors the extruder's temperature, pressure, and speed in real time, linking various components to achieve automated operation and ensure production stability.

The protection system ensures long-term stable operation of the wet pet food pellet machine. For high-moisture operating environments, the equipment is equipped with a dedicated waterproof lubrication system to lubricate and protect the extruder screw and bearings, preventing moisture intrusion and corrosion. Multi-layer wear-resistant seals prevent moisture leakage during extruder operation, ensuring operational safety and preventing material moisture loss. The overload protection device automatically shuts down the machine when material blockage occurs, preventing damage to core components and extending the equipment's lifespan.

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