What are the advantages of a wet dog food maker machine?

Differences in Operating Principles: Moisture control is the key dividing line. Wet pet food pellet machines require 10%-20% moisture added to the raw materials, relying on a low temperature of 80-100℃ and low pressure of 2-4MPa for extrusion. The high material moisture content eliminates the need for subsequent drying, directly producing high-moisture pellets. Dry extruders, on the other hand, require no additional water, relying on frictional heat (120-160℃) and high pressure (3-5MPa) for extrusion. The resulting pellets have low moisture content and require drying to 10%-12%. This difference makes wet equipment naturally suited to the high moisture requirements of wet dog food, resulting in a simpler process.

Product and Nutritional Differences: Catering to different palatability needs. Wet pet food making machines produce soft, chewy, and highly moist dog food with superior palatability. The low-temperature process retains over 80% of heat-sensitive nutrients, making it suitable for puppies, senior dogs, and dogs with sensitive stomachs. Dry extruder pellets are harder and crispier, with better storage resistance, but the high temperature causes some vitamin loss, making them more suitable for daily feeding of adult dogs. In terms of form, wet extruders can directly produce wet pellets suitable for packaging, while dry extruders require additional processing to meet wet dog food standards.

Differences in energy consumption and maintenance: Wet extruders are more targeted. Wet pet food extruders operate at low temperatures, reducing energy consumption by 20%-30% compared to dry extruders. However, the high moisture environment places higher demands on equipment sealing and corrosion prevention. Maintenance requires thorough cleaning of residual material in the extruder to prevent mold and rust. Dry extruders operate at high temperatures and pressures, resulting in higher energy consumption, but the material is dry, making cleaning and maintenance easier and eliminating the need for additional waterproofing measures.

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