Dog Food Freeze Dryer
The LONKIA Dog Food Freeze Dryer is a professional freeze drying machine designed specifically for the freeze dried dog food industry. It is suitable for producing the best freeze dried dog food, meat chunks, pet treats, and functional pet food ingredients. Using vacuum freeze drying technology, moisture is removed under low temperature and low pressure, preserving proteins, nutrients, and natural flavor to produce premium freeze-dried dog food.

Overview
As the pet food industry moves toward high nutrition, additive-free, and premium products, freeze dried dog food has become a key category. Freeze drying avoids heat damage to nutrients, resulting in superior nutritional value, texture, and rehydration compared to traditional extruded or baked dog food.
LONKIA dog food freeze dryers are optimized for diverse pet food ingredients with varying moisture content, offering stable operation and precise control for R&D, pilot, and industrial-scale production.

How to Freeze Dry Dog Food?
The production of premium freeze dried dog food relies on stable freeze drying processes and reliable equipment control.
- The manufacturing process typically begins with fresh meat, fish, or nutritionally formulated ingredients. After cutting and blending, the materials undergo rapid freezing, causing the water within them to form fine ice crystals, thereby preserving the original structure of the ingredients.
- Subsequently, the frozen ingredients are loaded into the freeze drying chamber. Under vacuum conditions, the temperature is gradually raised, causing the ice crystals to sublimate directly into water vapor, which is then extracted by the system. This process effectively removes moisture while preserving proteins, natural flavors, and nutrients.
- After further drying, the product's moisture content is reduced to an extremely low level, resulting in a freeze-dried dog food that is structurally light, crispy in texture, and nutritionally stable. This processing method preserves the original quality of the ingredients and is a key technology for producing best freeze dried dog food.
Parameter
Cold Trap Temperature | ≤ -40℃ / ≤ -60℃ |
Ultimate Vacuum | ≤ 10 Pa |
Batch Capacity | 10 – 1000 kg |
Heating Method | Shelf conduction heating |
Control System | PLC + Touch Screen |
Power Supply | 380V / 50Hz / 3 Phase |
Material | SUS304 Food-grade Stainless Steel |
Note: Technical specifications may change without notice due to ongoing technological advancements.
Advantage
- High Nutrient RetentionLow-temperature freeze drying preserves proteins, fats, and functional nutrients.
- Intact Structure & AppearanceFreeze dried dog food produced by food freeze dryer machine retains shape without collapse or shrinkage.
- No Preservatives RequiredUltra-low moisture inhibits microbial growth without preservatives.
- Flexible Formulation & CapacityOur freeze dryer machines support diverse formulations and customized production capacities.

Benefits of Using Lonkia Freeze Dryers
For pet food manufacturers, utilizing professional freeze drying equipment represents not only a technological upgrade but also an enhancement in product value.
- Improved Product QualityThe freeze drying process maximizes the retention of nutrients, aroma, and color, making pet food more closely resemble natural ingredients.
- Extended Shelf LifeBy removing moisture, products can be stored long-term at room temperature while reducing the risk of spoilage.
- Enhanced Market CompetitivenessFreeze dried dog food falls into the premium pet food category, helping companies access higher-margin markets.
- Expanded Product RangeA food freeze dryer can process multiple pet food types, including freeze dried meat chunks, pet treats, and nutritional supplements.
FAQ
- Is freeze dried dog food suitable for long-term storage?Yes, typically 12–24 months when properly sealed
- Does freeze dried dog food require refrigeration?No refrigeration is required if properly packaged.
- Is freeze dried dog food more nutritious than extruded food?Freeze drying retains more nutrients, especially animal proteins.
- Can different formulas be freeze dried together?Products with similar moisture and thickness are recommended.
- Is customization available?Yes, freeze dryer machine's systems can be customized based on capacity and process needs.
What types of pet food can be processed using a freeze dryer?This includes meat, fish, organs, vegetables, and a variety of pet treats.