Tianfeng TF-FZG-100 Industrial-Scale Vacuum Freeze Dryer

Overview

The Tianfeng TF-FZG-100 is an industrial-scale vacuum freeze dryer engineered for continuous, high-throughput lyophilization of heat-sensitive food, nutraceutical, and functional dairy products—including camel milk powder, herbal extracts, instant coffee, pet nutrition formulations, and ready-to-eat meals. Operating on the fundamental principle of sublimation—where ice transitions directly from solid to vapor under deep vacuum and controlled thermal conditions—the system removes water while preserving structural integrity, bioactivity, solubility, and shelf stability. With a validated freeze-drying area of 98.68 m² across 32 stainless steel or aluminum shelves, the TF-FZG-100 bridges the gap between pilot-scale R&D and commercial manufacturing, supporting batch capacities up to several tons per cycle. Its integrated front-chamber/rear-trap architecture minimizes footprint while maintaining full compliance with hygienic design principles outlined in ISO 14644-1 (cleanroom classification), EHEDG Doc. 8 (equipment hygiene), and FDA’s Current Good Manufacturing Practice (cGMP) guidelines for food and dietary supplement production.

Key Features

• Monobloc chamber–cold trap design with seamless AISI 304 stainless steel construction; interior mirror-polished to Ra ≤ 0.4 µm for microbial control and cleanability.
• Double-tiered shelf configuration: (15+1) × 2 shelves, adjustable spacing (77 mm), compatible with SUS304 or extruded aluminum plate options—optimized for uniform heat transfer and rapid thermal response.
• Cold trap rated at ≤ −65 °C with high-efficiency stainless steel coil condenser; achieves ≤ 2.7 Pa ultimate vacuum using high-reliability ULVAC (Edwards/Airco) vacuum pump assemblies.
• Shelf temperature control range from −45 °C to +80 °C, with ±0.5 °C uniformity across all plates; optional electric heating (24 kW × 4 zones) enables precise primary and secondary drying ramping.
• Omron CJ2M PLC-based automation platform integrated with industrial PC running proprietary HMI software; supports recipe storage (>1000 cycles), real-time parameter logging, and audit-trail-enabled operation per 21 CFR Part 11 requirements.
• Hygienic utility interfaces: CIP-compatible drain ports, steam-assisted or immersion defrost modes, and IP65-rated electrical cabinets with redundant safety interlocks.

Sample Compatibility & Compliance

The TF-FZG-100 accommodates diverse sample formats including bulk trays (up to 608 × 54 cm), stainless steel trolleys (4 units, SUS304), and custom-configured loading carts. It is routinely deployed for lyophilizing liquid concentrates, pastes, gels, and particulate suspensions with total solids content ranging from 5% to 60%. All wetted surfaces conform to FDA 21 CFR 178.3570 (food-contact materials) and EC 1935/2004 standards. The system supports validation protocols aligned with ISO 22000, HACCP, and ICH Q5C (stability testing of biologics), and is routinely qualified for use in facilities audited under BRCGS Food Safety Issue 9 and FSSC 22000 v5.1.

Software & Data Management

The embedded control interface provides dual-mode operation—fully automated sequence execution or manual step-by-step override—with editable setpoints during active drying. Process data (shelf temperature, chamber pressure, condenser temperature, vacuum rate, time-stamped events) are logged at 1-second intervals and stored locally (≥2 years) with automatic cloud backup via encrypted TLS 1.3 connection. Export formats include CSV, PDF e-signature reports, and XML-compliant files compatible with LIMS and MES integration. Electronic signatures, user access levels (admin/operator/auditor), and change history tracking fulfill ALCOA+ (Attributable, Legible, Contemporaneous, Original, Accurate, Complete, Consistent, Enduring, Available) data integrity criteria.

Applications

• Camel milk powder stabilization—retention of lactoferrin, immunoglobulins, and lysozyme activity post-lyophilization.
• Functional food matrices: mushroom polysaccharides, goji berry anthocyanins, spirulina phycocyanin, and probiotic cultures (Lactobacillus spp., Bifidobacterium spp.) with ≥90% viability recovery.
• Ready-to-hydrate meal components: dehydrated meat proteins, seafood hydrolysates, and vegetable purees maintaining reconstitution ratio <1.5 min and color stability (ΔE < 3 over 24 months).
• Nutraceutical intermediates: standardized botanical extracts (e.g., Panax ginseng, Ginkgo biloba), enzyme blends, and vitamin-mineral premixes requiring residual moisture ≤1.5% w/w.

FAQ

Is the TF-FZG-100 compliant with international pharmaceutical GMP standards?
While primarily designed for food and nutraceutical applications, its construction, documentation, and control architecture meet foundational GMP elements per Annex 15 (Qualification & Validation) and can be extended to support Category 3 (non-sterile) pharmaceutical lyophilization upon additional IQ/OQ/PQ execution.
Can shelf temperature profiles be programmed independently per zone?
Yes—the system supports multi-zone thermal programming with independent PID tuning for each of the four heating/cooling circuits, enabling gradient drying strategies for heterogeneous loads.
What level of validation support does Tianfeng provide?
Tianfeng delivers FAT/SAT protocols, DQ/IQ/OQ templates aligned with ASTM E2500-13, and on-site commissioning assistance; PQ execution remains customer-responsible per local regulatory expectations.
Does the system support remote monitoring and alarm notification?
Yes—via secure HTTPS web portal and mobile app; configurable SMS/email alerts for vacuum loss, temperature deviation, power interruption, or door interlock failure.
Are spare parts and service engineers available outside mainland China?
Tianfeng maintains authorized service partners in Southeast Asia, the Middle East, and South America; critical spares (valves, sensors, PLC modules) are stocked regionally with <72-hour dispatch commitment.