T-frame freeze dryer

The T-frame freeze dryer is a device that utilizes vacuum freeze-drying technology to dry substances. Its fundamental principle involves first freezing water-containing materials into a solid state, then employing the sublimation process to cause water molecules to directly transition from solid to vapor, thereby removing moisture and preserving the material. T-frame freeze dryers are widely used in pharmaceuticals, biological products, food, and other fields, offering advantages such as excellent drying efficiency, extended shelf life, and superior rehydration properties.

Vacuum freeze-drying is a technology that employs the sublimation principle for drying. The material is rapidly frozen at low temperatures, then, under an appropriate vacuum environment, the frozen water molecules directly sublimate into vapor and escape. This process avoids concentration due to dehydration. The dried material exhibits a dry, sponge-like porous structure with minimal volume change. It readily rehydrates upon water addition, maximally preventing physical, chemical, and biological alterations in the dried substance.

Applications include:
① Pharmaceutical Industry: Freeze dryers are widely used in pharmaceuticals for producing and preserving drugs, biological products, and medical devices. This technology removes moisture to extend shelf life, maintain drug efficacy and biological activity, and facilitate transportation and storage.
② Food Industry: In food processing, freeze dryers preserve fruits, vegetables, meats, seafood, and seasonings. Freeze-drying preserves the original color, aroma, and nutritional content of food, extends shelf life, and facilitates portability and storage.
③ Chemical Industry: In the chemical sector, freeze-dryers are used for producing and preserving catalysts, chemical raw materials, pigments, and other products. By removing moisture and volatile components, they ensure product quality and purity.
④ Agricultural Sector: In agriculture, freeze-drying technology is employed for preserving and germinating plant seeds. Removing moisture extends storage time while ensuring seed germination rates.
⑤ Other Fields: Freeze-drying technology also finds applications in environmental protection, energy, scientific research, and other sectors. Examples include treating sludge and wastewater, producing fuels, and conducting material research and preparation.

• Condensation System
  (1) Original imported hermetic compressor delivers rapid cooling with enhanced efficiency; new high-efficiency eco-friendly refrigerant is environmentally conscious and fully compliant with national environmental standards.
  (2) Cold trap maximum water capture capacity ≥3KG, operating temperature ≤-60℃, uniform inner wall temperature, and professional gas flow design enable both efficient freeze-drying and water capture, protecting the vacuum pump.
  (3) External coil design with smooth, obstruction-free interior. Features sample pre-freezing capability, eliminating the need for additional cryogenic freezers or liquid nitrogen freezing equipment.
  (4) Constructed from highly corrosion-resistant 304 stainless steel. Its smooth surface facilitates efficient defrosting.

• Vacuum System
  (1) High-seal vacuum chamber with ultimate vacuum ≤10 Pa.
  (2) Equipped with a vacuum micro-adjustment ball valve for manual fine-tuning of vacuum levels.
  (3) Customized vacuum generator specifically designed for freeze dryers, delivering a pumping speed of 2 L/s to rapidly achieve chamber vacuum.
  (4) Pirani vacuum gauge for precise chamber pressure measurement, ensuring accurate and reliable vacuum readings.
  (5) Equipped with KF25 quick-connect clamps for secure vacuum pump-to-chamber sealing.
  (6) Optional vacuum pump oil mist filter available to maintain laboratory environment and reduce oil mist contamination.

• Freeze-Drying Chamber System
  (1) Maximum freeze-drying area: 0.19m² (Standard Model). Tray size: φ200mm. Supports expansion with multi-manifold freeze-drying bottles and flask-shaped bottles to further increase drying area. (Equipped with multi-manifold bell jar)
  (2) The bell jar is constructed from highly transparent material, offering corrosion resistance and shatterproof properties for easy observation of the freeze-drying process.
  (3) The drying rack supports capping functionality, enabling freeze-drying of samples in containers requiring capping, such as vials (capping type).
  (4) Adjustable shelf layers allow flexible configuration based on sample quantity.
  (5) Shelves incorporate heating functionality to further release bound water from samples (heated type).
  (6) Equipped with Class A temperature sensors to accurately monitor temperatures throughout the reaction drying chamber.

• Control System
  (1) Features a 7-inch true-color LCD touchscreen with clear display. User-friendly interface ensures intuitive operation.
  (2) Clearly displays all parameters including temperature, vacuum level, and runtime, enabling full control over the freeze-drying process.
  (3) Automatically saves data for real-time viewing and historical recall. Data can be exported via USB for further analysis.
  (4) Built-in compressor and vacuum pump maintenance reminders automatically alert users when lubrication or replacement is required.
  (5) Password protection facilitates access control, preventing unauthorized operation by non-professionals.
  (6) Multiple sample protection mechanisms, such as preventing vacuum pump activation when cold trap temperature is too high, avoiding sample boiling and destruction.