Vacuum Freeze Dryer

EcoTech Solutions’ Vacuum Freeze Dryer is an advanced food preservation system designed to remove moisture from frozen products through vacuum freeze drying and sublimation. The process helps preserve the original shape, color, aroma, flavor, texture, and nutritional characteristics of food products while providing excellent long-term storage stability. Unlike conventional hot-air dehydration, freeze drying first freezes the product and then removes ice directly as vapor under controlled vacuum conditions. This low-temperature drying process minimizes thermal damage and is especially suitable for heat-sensitive, high-value, and premium food products. EcoTech Vacuum Freeze Dryers are suitable for food processors, specialty food manufacturers, agricultural businesses, pharmaceutical applications, research facilities, and other industries requiring high-quality moisture removal and extended product shelf life.

  • Advanced vacuum freeze drying technology
  • Moisture removal through sublimation
  • Low-temperature processing for heat-sensitive products
  • Helps preserve natural color, shape, aroma, flavor, and nutrients
  • Excellent product rehydration capability
  • Extended shelf life after proper packaging and storage
  • Reduced thermal damage compared with conventional hot-air drying
  • Controlled vacuum and drying conditions
  • Suitable for premium and high-value food products
  • Hygienic stainless-steel construction
  • Intelligent control for precise drying management
  • Suitable for different batch sizes and production requirements
  • Ideal for commercial and specialized food processing
  • Low product shrinkage and improved appearance

EcoTech Vacuum Freeze Dryers combine controlled freezing, advanced vacuum technology, sublimation, and intelligent drying control to provide a premium solution for modern food preservation. Preserve product quality, reduce moisture, improve storage stability, and create high-value freeze-dried products with EcoTech Vacuum Freeze Drying Technology.

Application of Vacuum Freeze Dryer

Key Features

Vacuum Freeze Drying

Advanced vacuum technology removes frozen moisture through sublimation, enabling low-temperature drying with reduced thermal exposure.

Low-Temperature Processing

Suitable for heat-sensitive products that may be affected by conventional high-temperature drying.

Excellent Product Quality

Helps preserve product shape, color, aroma, flavor, and important nutritional characteristics.

High Rehydration Capability

Properly freeze-dried products can absorb water efficiently during rehydration while retaining much of their original structure.

Reduced Shrinkage

The freeze-drying process helps minimize structural collapse and shrinkage compared with many conventional drying methods.

Intelligent Control System

Digital controls provide precise management of temperature, vacuum, drying stages, and operating parameters.

Stainless-Steel Construction

Hygienic stainless-steel construction provides a durable and easy-to-clean processing environment.

Controlled Vacuum System

Accurate vacuum management supports stable sublimation and consistent drying performance.

Flexible Batch Processing

Suitable for different product types and production requirements, with system configurations available according to application.

Product Specification

VACUUM FREEZE DRYER EFD-10 EFD-15 EFD-20 EFD-25 EFD-35 EFD-50
Freeze Dried Area 1 m² 1.5 m² 2 m² 2.5 m² 3.5 m² 5 m²
Cold Trap Temperature -55°C -55°C -55°C -55°C -55°C ≤ -70°C
Processing Capacity (kg/batch) 10-15 12-20 15-25 20-30 25-40 35-50
Limiting Vacuum Below 2 Pa Below 2 Pa Below 2 Pa Below 2 Pa Below 2 Pa ≤15 Pa
Material Tray Size 309 × 780 mm 270 × 780 mm 390 × 900 mm 390 × 900 mm 390 × 600 mm 495 × 540 mm
Number of Material Trays 4 7 6 7 14 18
Material Tray Spacing 65 mm 40 mm 53 mm 48 mm 47 mm 58 mm
Pumping Speed 4 L/S 4 L/S 6 L/S 6 L/S 8 L/S 15 L/S
Supplementary Vent Amount 12 kg/24h 20 kg/24h 26 kg/24h 30 kg/24h 34-40 kg/24h >50 kg/24h
Running Noise ≤60 dB ≤60 dB ≤60 dB ≤60 dB ≤60 dB ≤80 dB
Supply Voltage 220V / 50Hz 220V / 50Hz 220V / 50Hz 220V / 50Hz 220V / 50Hz 220V / 50Hz
Machine Dimensions (mm) 650 × 1080 × 1130 650 × 1080 × 1130 800 × 1100 × 1335 800 × 1100 × 1335 1460 × 810 × 1370 2350 × 1150 × 1800
Net Weight 201 kg 206 kg 267 kg 272 kg 330 kg 686 kg
Package Size (mm) 730 × 1150 × 1510 730 × 1150 × 1510 900 × 1200 × 1620 900 × 1200 × 1620 1550 × 920 × 1680 2450 × 1250 × 1850
Overall Power 2850 W 3000 W 4500 W 4500 W 5500 W 7500 W
Cooling Mode Air Cooling Air Cooling Air Cooling Air Cooling Air Cooling Air Cooling
Temperature Requirement 10°C-35°C 10°C-35°C 10°C-35°C 10°C-35°C 10°C-35°C 10°C-35°C
Relative Humidity ≤70% ≤70% ≤70% ≤70% ≤70% ≤70%
# Technical information may change without prior notice due to continuous improvement process.