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Low-temperature Seed Storage

Shanghai XNAIR builds climate-resilient seed cold storage for Wuwangnong Seed in Lishui, maintaining 0-10℃ stability at 43℃ ambient with 48hr backup power, ensuring genetic resource security.

Project Overview

Constructed an 800m³ high-resilience seed cold storage facility for Wuwangnong Seed, achieving 0-10℃ precision control in extreme conditions with 99.98% uptime since 2017.

Start time 2016

Industry Agricultural Seed Cold Chain

Project location Zhejiang

Project Scale 800m³ Agricultural Seed Cold Storage

Temperature Range 0℃~10℃ Precision Control

Facility Type High-resilience Seed Gene Bank

Construction Material 200mm VIP Vacuum Insulated Panel

Refrigeration System Carlyle Semi-hermetic Compressor

Certification GB 50072-2010 Compliance

Challenges Faced

Extreme Climate Resilience - Maintain 0-10℃ at 43℃ ambient temperature
Power Redundancy - Ensure 48-hour temperature stability during power outages
High-frequency Access - Withstand 50-100 daily door openings without temperature drift
Overload Capacity - Recover temperature within 12hrs after 50% capacity surge

XNAIR Cold Storage Solution

Climate Resilience - Carlyle 06D compressors with adiabatic cooling system
Power Backup - 200kVA diesel generator with 1,000L fuel tank
Airlock System - Dual fast-acting roll-up doors with 0.5m/s closure speed
Overload Recovery - VIP vacuum panels + liquid nitrogen injection system

Project Results and Benefits

Energy Efficiency - 34% lower power consumption via adiabatic cooling
Temperature Stability - 99.98% compliance with 0-10℃±1℃ setpoint
Seed Viability - 98% germination rate maintained after 5-year storage
Disaster Recovery - Achieved 48-hour temperature hold during 2022 heatwave

Created China's most resilient agricultural seed cold storage with 0-10℃ precision control in 43℃ heat, maintaining 98% germination rates after 5 years

The cold storage's performance during the 2022 heatwave validated its design, directly supporting our national seed security mission. —— R&D Director

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Low-temperature Seed Storage

Project Overview

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