Egg Yolk Pellet Freeze Dryer
The Egg Yolk Pellet Freeze Dryer is specially designed for pet food and functional food processing. It is suitable for egg yolk pellets, egg yolk granules, and egg yolk-based products. Using low-temperature vacuum freeze drying technology, it preserves nutrition, flavor, and natural color while ensuring stable dehydration and long shelf life.

Overview
Egg yolk products are rich in protein, lecithin, and fat-soluble nutrients, which require precise drying control. Traditional hot-air drying often causes oxidation, discoloration, and nutrient loss, while freeze drying effectively prevents these issues.
The LONKIA Egg Yolk Pellet Freeze Dryer features a stable vacuum system and intelligent temperature control, allowing parameter adjustment based on fat content and pellet size. It ensures intact shape, porous texture, and excellent rehydration, making it ideal for premium pet treats and nutritional products.

How Freeze Dryers Work?
The vacuum freeze dryer removes moisture from materials through low-temperature freezing and vacuum sublimation technology, ensuring egg yolk particles retain their original structure and flavor after drying. The entire freeze drying process primarily involves the following key steps:
- Material loadingProcessed egg yolk particles are evenly spread across trays, ensuring consistent material thickness for uniform heating during drying and improved freeze-drying efficiency.
- Low-Temperature FreezingThe equipment activates its refrigeration system to rapidly cool the egg yolk particles, causing the moisture within to freeze completely into ice crystals. This prepares the material for the subsequent sublimation process.
- Vacuum SublimationThe vacuum system reduces pressure within the drying chamber. Under low-pressure conditions, ice crystals directly convert into water vapor, which is captured by the condensation system, completing the primary dehydration process.
- Deep Drying After sublimation is complete, the equipment applies moderate heating to remove residual moisture from the material. This ensures the final product achieves a stable moisture content, guaranteeing its storage quality.
Parameter
project | parameter |
Effective freeze-drying area | 1–100㎡ (customizable) |
Processing capacity | 5–500kg/batch |
Minimum cold trap temperature | ≤ -45℃ |
Ultimate vacuum | ≤ 10Pa |
Control method | PLC + Touchscreen |
power supply | 380V / 50Hz (customizable) |
Note: Technical specifications may change without notice due to ongoing technological advancements.
Advantage
- High Nutrient RetentionLow-temperature freeze drying preserves protein, lecithin, and natural flavor.
- Intact Product AppearancePellets remain intact without collapse or sticking.
- Optimized for High-Fat MaterialsSpecial drying curves reduce oxidation risk in high-fat egg yolk.
- High AutomationIntelligent control reduces labor and improves efficiency.

Why Choose Lonkia—Food Processing Equipment Manufacturer
When selecting freeze-drying equipment, the technical expertise of the supplier is equally crucial. As a food machinery manufacturer, Lonkia is committed to providing stable and reliable production equipment for food processing enterprises.
- Specializing in Food Processing Equipment ManufacturingLonkia has long focused on the food processing machinery sector. Our equipment designs fully consider food production processes and operational requirements, delivering dependable processing solutions to customers.
- Complete Equipment SolutionsBeyond freeze drying equipment, we also supply pre-processing machinery such as washing, cutting, and sorting systems to help clients establish comprehensive food processing workflows.
- Expert Technical SupportFrom equipment selection to production commissioning, our technical team provides tailored advice based on your product characteristics, accelerating your path to stable production.
FAQ
- Is freeze drying suitable for high-fat egg yolk?Yes, freeze drying minimizes oxidation and quality loss.
- Does the product require refrigeration?No, it can be stored at room temperature when sealed.
- Will egg yolk pellets collapse?No, with proper parameters, structure remains stable.
- Is customization available?Yes, capacity, size, and voltage can be customized.
- Is it suitable for large-scale production?Yes, through batch management or multiple units.