vacuum pilot scale lyophilizer for use in food factories

Features

1. Intelligent control system: Advanced PLC programmable logic controller with high-definition touch screen, full process programming and monitoring, real-time temperature/pressure curve drawing, and automatic operation report generation.
2. Powerful data management: FAT32 file system for large-capacity data storage, saves historical data for over 90 days, USB interface for one-key export.
3. Multi-program operation mode: Manual/automatic operation, 40 preset process programs (each with 40 temperature settings) for enhanced adaptability.
4. High-performance refrigeration: International brand low-noise compressor and dry filtration system, high cooling efficiency and stability, extended equipment life.
5. High-precision temperature control: Silicone oil heat-conducting medium for rapid and uniform heat/cold exchange, ±1°C accuracy for consistent drying.
6. Transparent observation window: High-translucency organic glass door for real-time sample observation during freeze-drying.
7. Flexible cavity structure: Standard and pressure plug type cavities for general lyophilization and sealing packaging processes.

Equipment Advantages

1. In-situ freeze-drying: No manual transfer needed, reduces contamination, enhances cleanliness, meets GMP and FDA standards.
2. Modular design, easy maintenance: Independent modules for easy repair/replacement, stainless steel cavity for corrosion resistance and easy cleaning.
3. Strong flexibility and compatibility: Suitable for powder, liquid, solution, extract, or vials in freeze-drying experiments.
4. Support extended functions: Optional eutectic point test and connection to freeze-drying vials for expanded sample formats and capacity.

Working Principle

The core principle is vacuum freezing sublimation drying, where water is sublimated from solid ice to vapor in a low temperature vacuum, bypassing the liquid phase. This enables efficient and contamination-free drying.

1. Pre-freezing: Material is cooled below freezing on the shelf, moisture freezes.
2. Primary drying (sublimation): Under vacuum, shelf is heated, ice sublimates to vapor and is trapped by the cold trap.
3. Secondary drying (desorption): Residual moisture is removed, lowering moisture content.
4. Optional pressure plug sealing: Pressure plug equipment closes vials in vacuum, preventing secondary contamination.

Chamber Types

1. Standard type: Without automatic pressure stopper function.
2. Up-pressing type: With automatic stopper, shelf presses vial stoppers after freeze-drying to seal.

Typical Application Fields

1. Biomedical industry: Pilot research and preparation of freeze-dried vaccines, antibiotics, enzymes, and protein drugs.
2. Traditional Chinese medicine & extracts: Preservation of powders, extracts, oral solutions for stability and shelf life.
3. Food engineering: Small batch freeze-drying of fruit/vegetable powders, instant soups, coffee, etc.
4. Cosmetics & skin care: Active ingredient masks, essence powder pilot production for improved stability and activity.
5. Colleges & research institutions: Sample preparation, process verification, parameter mapping, and analysis.