Product Description
A Freezer Dehydration Machine is a specialized device that preserves food through the freeze-drying process, also known as lyophilization. This technique involves freezing the food and then lowering the surrounding pressure, allowing the frozen water in the food to turn directly into vapor without becoming liquid. Below is an in-depth look at this appliance:
Purpose
The Freezer Dehydration Machine is designed to prolong the shelf life of various foods by removing moisture while preserving their structure, flavor, and nutrients. It effectively preserves fruits, vegetables, meats, and ready-to-eat meals, resulting in lightweight, durable food that can be quickly rehydrated.
How It Works
- Freezing: Initially, the machine freezes food at extremely low temperatures, usually below -40oC (-40oF). This rapid freezing helps maintain the cellular structure.
- Primary Drying (Sublimation): After freezing, the machine lowers the pressure within the chamber, allowing the ice to sublimate directly into vapor, which effectively removes most of the moisture.
- Secondary Drying (Desorption): In the final step, the machine gently warms the food to eliminate any remaining moisture, ensuring optimal preservation.
- Packaging: Once the freeze-drying process is complete, the food is sealed in airtight containers or vacuum-sealed bags to prevent moisture reabsorption.
Features
- Advanced Temperature Control: The machine allows precise temperature settings, optimizing the freeze-drying process for different food types.
- Vacuum System: A robust vacuum pump creates the low-pressure environment needed for effective sublimation.
- Multiple Trays: Equipped with several trays, the machine can simultaneously freeze-dry various food items.
- User-Friendly Interface: Digital controls and displays enable easy monitoring of temperature, pressure, and drying progress.
- Durable Construction: Made from high-quality stainless steel, the machine is built for easy cleaning and long-lasting use.
Applications
- Home Preservation: Ideal for families wanting to preserve garden produce or bulk foods, and for emergency preparedness with long-lasting, nutritious meals.
- Food Industry: Commonly used to create shelf-stable ingredients, ready-to-eat meals, and snacks like freeze-dried fruits and coffee.
- Outdoor Activities: Perfect for making lightweight, portable meals for camping, hiking, or emergency kits.
- Scientific and Medical Use: Utilized in labs for preserving biological samples, pharmaceuticals, and other sensitive materials.
Benefits
- Extended Shelf Life: Freeze-dried foods can last 25 years or more when stored properly, making them excellent for emergency situations.
- Nutrient Retention: This method preserves most vitamins, minerals, and enzymes, maintaining nutritional integrity.
- Flavor and Texture Preservation: Foods retain their original taste, shape, and texture upon rehydration, unlike other drying methods that can affect quality.
- Lightweight and Convenient: The moisture removal process results in lightweight food that is easy to store and transport.
- No Refrigeration Required: Freeze-dried foods are shelf-stable, eliminating the need for refrigeration and saving energy.
Material |
Stainless Steel |
Automation Grade |
Digital Control |
Machine Power |
1500 W |
Voltage |
220 V |
Frequency |
50 Hz |
Phase |
Single Phase |
Dimensions LxWxH |
700*630*900 mm |
Weight |
80 kg |
Packaging Size |
820*720*135 mm |
Tray Size. |
200*450*20 mm |
Gross Weight |
150 kg |
No of Tray |
4 |
Capacity. |
4-6 kg |
Drying Area |
0.4 m3 |
Noise Level |
60 dB |
Technical Details 