Yacheng YC-3100 Pilot-Scale Vacuum Low-Temperature Spray Dryer
| Brand | Yacheng / PILOTECH |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | YC-3100 |
| Sample Type Compatibility | Aqueous Solutions Only |
| Maximum Throughput | 6–10 L/h (water-based) |
| Particle Size Range | 1–120 µm |
Overview
The Yacheng YC-3100 is a pilot-scale vacuum low-temperature spray dryer engineered for seamless transition from laboratory process development to scalable manufacturing validation. Unlike conventional atmospheric spray dryers, the YC-3100 operates under controlled vacuum conditions—typically 5–50 kPa absolute pressure—to substantially lower the boiling point of solvents and enable drying at inlet temperatures as low as 40–80 °C. This thermodynamic advantage is grounded in fundamental principles of mass and heat transfer under reduced pressure, making it particularly suitable for thermolabile compounds where thermal degradation, oxidation, or conformational instability must be minimized. The system integrates a peristaltic feed pump, dual-fluid nozzle atomization (compressed air or inert gas), heated vacuum chamber, cyclonic particle collection, and integrated condensate trap—all housed within a compact, GMP-aligned stainless-steel frame. Its design bridges the critical gap between benchtop feasibility studies (e.g., YC-2000) and full-scale production, supporting DOE-driven parameter optimization, batch reproducibility assessment, and regulatory-compliant process documentation.
Key Features
- Wide operational throughput range: stable performance from 200 mL/h (micro-batch R&D) up to 10 L/h (pilot validation), enabling direct scalability assessment without re-optimization.
- Vacuum-controlled drying environment with real-time pressure regulation (5–50 kPa abs) and ±2 °C temperature stability at the drying chamber inlet—critical for preserving enzymatic activity, peptide integrity, volatile aromas, and polymeric morphology.
- Modular, tool-free disassembly of all wetted parts—including atomizer head, drying chamber liner, and cyclone collector—using sanitary tri-clamp and quick-release fasteners to ensure rapid cleaning, minimal residue carryover, and compliance with GLP cleaning validation protocols.
- Compact footprint (≤2.6 m height, <1.2 m² floor space) optimized for ISO Class 7/8 cleanroom integration or shared lab environments with limited vertical clearance.
- Integrated data acquisition architecture supporting USB export (standard) and optional industrial-grade touchscreen HMI with embedded trend logging, alarm history, and CSV-formatted raw data export for 21 CFR Part 11–compliant audit trails.
Sample Compatibility & Compliance
The YC-3100 is validated for aqueous solutions only—including pharmaceutical suspensions, protein hydrolysates, probiotic broths, natural extract concentrates, and water-based polymer dispersions. It is not designed for organic solvents, high-viscosity melts (>500 cP), or abrasive slurries. All contact surfaces are electropolished AISI 316L stainless steel (Ra ≤ 0.4 µm), compliant with ASME BPE-2022 surface finish standards. The system supports IQ/OQ documentation packages and is compatible with common quality frameworks including ISO 9001, ISO 13485 (for medical device excipient processing), and USP <1058> analytical instrument qualification guidelines. Vacuum and temperature sensors are NIST-traceable and calibrated annually per internal SOPs aligned with ASTM E2877-22.
Software & Data Management
The optional touchscreen control interface runs on a deterministic real-time OS with dual-channel PID loop control for both chamber pressure and inlet temperature. All process parameters—including feed rate, vacuum level, inlet/outlet temperature, chamber pressure, and atomizing gas flow—are logged at 1 Hz resolution. Data export includes timestamped .CSV files with metadata headers (operator ID, batch number, calibration status), supporting traceability requirements under FDA 21 CFR Part 11. Audit trail functionality records user logins, parameter changes, and alarm events with immutable timestamps. Raw data can also be extracted via USB port without software dependency—enabling offline statistical analysis in JMP, Minitab, or Python-based QbD workflows.
Applications
- Pharmaceutical Development: Stabilization of monoclonal antibody formulations, lysozyme analogs, and mRNA-LNP intermediates via gentle solvent removal while retaining secondary structure (confirmed by CD spectroscopy and SEC-HPLC).
- Nutraceutical & Functional Food Processing: Encapsulation of anthocyanins, omega-3 emulsions, and lactic acid bacteria—preserving antioxidant capacity (ORAC assay) and viable cell counts (>10⁹ CFU/g post-drying).
- Advanced Materials Synthesis: Production of uniform ceramic precursors (e.g., LiFePO₄ nanoparticles), metal-organic framework (MOF) powders, and catalyst supports with controlled porosity and BET surface area reproducibility (RSD <3.5% across 5 consecutive batches).
- Chemical Process Engineering: Solvent recovery quantification, residence time distribution (RTD) mapping, and scale-up correlation studies using dimensionless numbers (e.g., Weber, Reynolds, and dimensionless drying time τ*).
FAQ
Is the YC-3100 suitable for organic solvent-based feedstocks?
No. The system is certified exclusively for aqueous solutions. Organic solvents require explosion-proof construction, nitrogen purge integration, and intrinsically safe instrumentation—not included in this configuration.
Can particle size distribution be actively controlled during operation?
Yes—via coordinated adjustment of feed concentration, atomizing gas pressure (0.1–0.6 MPa), inlet temperature, and vacuum level. Narrow PSD (span <1.8) is achievable with optimized nozzle geometry and consistent solution viscosity.
What validation documentation is provided with shipment?
Factory acceptance test (FAT) report, material certification (3.1 EN 10204), electrical safety certificate (IEC 61000-6-3/4), and calibration certificates for all critical sensors (NIST-traceable). IQ/OQ templates available upon request.
Does the system support continuous operation over multiple shifts?
It is rated for 16-hour uninterrupted operation under nominal load. For extended campaigns, scheduled maintenance intervals (every 200 operational hours) include nozzle inspection, O-ring replacement, and vacuum pump oil change per maintenance manual.
How is moisture content verified in dried powder output?
The YC-3100 does not include an integrated moisture analyzer. Users typically employ off-line Karl Fischer titration (ASTM D6304) or loss-on-drying (LOD) per USP <731> on representative samples withdrawn from the cyclone collector.
