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Pharmaceutical Technology Cold Storage Project

Shanghai Zhici Medical upgraded its 160m³ pharmaceutical cold storage network, focusing on enhancing reliability of two 20m³ core units to meet stringent global standards for vaccine and biological st

Project Overview

Achieve 99.99% system availability through redundancy design, ensure full-temperature-range compliance (-20°C to 8°C), and realize 100% electronic audit trail.

Customer Industry Medicine

Project location Shanghai

Total Cold Storage Capacity 160 m³

Temperature Range 2°C–8°C

Humidity Control 35%–75% RH

Sensor Accuracy ±0.1°C，±1.5% RH

Alarm Response Time ≤15 seconds

Control System PLC+SCADA

Project Background/Challenges Faced

Temperature Uniformity

Maintaining ±1°C consistency across 160m³ space required breakthroughs in sensor density and control algorithms.

Cost-Benefit Balance

Full redundancy design increased initial investment by 40%, demanding rigorous ROI justification.

Regulatory Harmonization

Reconciling differences in data integrity, alarm prioritization, and calibration cycles across Chinese, European, and U.S. GMP standards.

Solutions / Commissioning & Acceptance

Hierarchical Control Architecture

Deployed "master PLC + zone slave" system with 12 high-density sensor nodes per 20m³ unit, enabling 0.5m-resolution grid monitoring.

Dynamic Redundancy Strategy (动态冗余策略)

Implemented N+1 compressor configuration with load-prediction algorithms, reducing backup unit activation time by 60%.

Compliance Mapping Tool (合规映射工具)

Developed automated documentation generator aligning with three regulatory frameworks, cutting manual verification work by 70%.

Project Results and Benefits

Reliability Improvement

MTBF increased from 8,000 to 24,000 hours; fault handover time reduced to 8 seconds.

Energy Optimization

Annual power consumption reduced by 280,000 kWh through variable-frequency drives and heat recovery, equivalent to 234 tons CO₂ reduction.

Audit Efficiency

100% electronic records compliance enabled 60% faster FDA inspections and zero-defect EMA remote audits.

Achieved industry-leading 99.99% uptime through hybrid redundancy architecture and AI-driven predictive maintenance.

The 160m³ cold chain network now operates like a Swiss watch. We've eliminated manual data reconciliation and reduced batch release time by 40%. —— Manager

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Pharmaceutical Technology Cold Storage Project

Project Overview

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