Tianfeng SFD-2E Industrial-Scale Freeze Dryer for Cosmetic Freeze-Dried Tablets, Fish Maw Processing, and Agricultural Deep Processing

Overview

The Tianfeng SFD-2E is an industrial-scale shelf-type freeze dryer engineered for reproducible, GMP-aligned lyophilization of heat-sensitive biological and functional materials. It operates on the fundamental principle of sublimation—removing water from frozen samples under deep vacuum while maintaining structural integrity and bioactivity. Designed specifically for high-value applications including cosmetic freeze-dried tablets, marine collagen-based fish maw products, and value-added agricultural derivatives (e.g., fruit powders, herbal extracts, probiotic formulations), the SFD-2E integrates robust thermal control, precise vacuum regulation, and programmable process logic to support validated manufacturing workflows. Its 2 m² shelf area enables batch processing of up to 10,000 vials (Φ16 mm) or 5,000 vials (Φ22 mm), with a maximum bulk solution capacity of 40 L per cycle—making it suitable for pilot-to-production transition in regulated environments.

Key Features

• Stainless steel chamber constructed from AISI 304 with fully polished, radius-rounded internal geometry to eliminate dead zones and facilitate cleaning-in-place (CIP) compliance.
• Five temperature-controlled shelves (4 working + 1 reference), each manufactured via uniform heating and stress-relieved welding to ensure ≤ ±0.5 °C surface temperature uniformity across the full −55 °C to +80 °C operating range.
• Circulating low-viscosity silicone oil as heat transfer medium, enabling stable thermal response and minimal gradient deviation during ramping, holding, and annealing phases.
• High-efficiency condenser operating at −75 °C with 40 kg/24 h ice-trapping capacity, optimized for low-vapor-pressure solvents and high-moisture-load matrices such as hydrogels and mucilage-rich botanical slurries.
• PLC-based control system (OMRON PLC) with integrated HMI interface; supports multi-step recipe storage, real-time parameter logging, alarm management, and electronic signature capability for audit-ready operation.
• Fully compliant with ISO 9001:2015 quality management requirements; designed and documented to support IQ/OQ/PQ execution and cGMP alignment per FDA 21 CFR Part 211 and EU Annex 1 guidelines.

Sample Compatibility & Compliance

The SFD-2E accommodates diverse sample formats—including vials, trays, and bulk containers—across pharmaceutical intermediates, nutraceutical actives, cosmetic delivery systems (e.g., hyaluronic acid microparticles, peptide-loaded films), and agricultural co-products (e.g., fermented grain extracts, enzymatically hydrolyzed plant proteins). Its chamber geometry and shelf spacing (100 mm pitch) allow flexible loading configurations without compromising heat transfer efficiency. All wetted surfaces meet ASME BPE surface finish standards (Ra ≤ 0.8 µm), and weld integrity is verified per ISO 5817 Class B. The system supports validation documentation packages (3Q: Installation Qualification, Operational Qualification, Performance Qualification) and includes configurable audit trail functionality required under FDA 21 CFR Part 11 and EU Annex 11 for electronic records.

Software & Data Management

The embedded control software provides full-cycle automation—from pre-freezing and primary drying to secondary drying and backfilling—with adjustable ramp rates, hold durations, and pressure modulation. Process data (shelf temperature, chamber pressure, condenser temperature, elapsed time) are logged at user-defined intervals (minimum 1-second resolution) and exported in CSV or PDF format. Optional Ethernet/IP or Modbus TCP connectivity enables integration into MES or SCADA platforms. All critical parameters are protected by role-based access control (RBAC), and electronic signatures are implemented per ALCOA+ principles to ensure data integrity, traceability, and regulatory acceptability in GLP/GMP audits.

Applications

• Manufacturing of dissolvable cosmetic tablets containing stabilized peptides, vitamins, or botanical extracts.
• Lyophilization of marine-derived biomaterials—including fish maw collagen hydrolysates—for nutraceutical and dermal application.
• Stabilization of probiotic cultures, enzymes, and fermentation broths from cereal, legume, or fruit substrates.
• Production of sterile or non-sterile active pharmaceutical ingredients (APIs) requiring low-residual moisture (<1.0%) and crystalline stability.
• R&D-scale formulation development for amorphous solid dispersions and lyo-ready biopolymer carriers.

FAQ

Is the SFD-2E compliant with international GMP requirements for pharmaceutical manufacturing?

Yes—the equipment is engineered to meet cGMP expectations outlined in FDA 21 CFR Part 211 and EU EudraLex Volume 4, Annex 1. Documentation support for IQ/OQ/PQ, material certifications, and weld logs is available upon request.
Can the system be customized for specific product drying profiles or integration with upstream/downstream equipment?

Yes—Tianfeng offers engineering consultation for custom shelf configurations, inert gas backfill options (N₂/Argon), and PLC-level interface development for line integration.
What level of after-sales technical support is provided internationally?

Tianfeng provides remote diagnostics, on-site commissioning support, operator training, and spare parts logistics through authorized regional partners. A 12-month warranty covers parts and labor; extended service agreements are available.
Does the system support automated cycle reporting for regulatory submissions?

Yes—raw process data files, summary reports, and electronic signatures are exportable in formats compatible with regulatory filing requirements (e.g., eCTD modules).
How is vacuum integrity verified during qualification?

The system achieves ≤ 0.025 Pa·m³/s leak rate per ISO 20517, verified using helium mass spectrometry during factory acceptance testing (FAT) and repeated during PQ.