Atlas Copco Compressor Cooler ZR110

1. Product Overview

The Atlas Copco ZR110 series oil-free screw compressor cooler is a core component in industrial air compression systems, designed for high-load, continuous operation conditions. As part of Atlas Copco's 2020 upgraded ZR110-160 series, this cooler integrates next-generation oil-free screw technology with advanced cooling solutions, delivering breakthroughs in both efficiency and reliability.

Key Specifications:

Parameter	Value
Pressure Range	7-15 bar
Air Delivery	20.9-72.6 m³/min
Motor Power	110-350 kW
Outlet Temperature	≤40℃
Certification	ISO 8573-1 Class 0

2. Technical Features

2.1 Cooling System Architecture

Two-stage compression thermal management:

• Low-pressure rotor cooling: Dual-support structure with ball bearings + roller bearings, gear-driven pump forced lubrication, cooling water jacket design maintains rotor temperature rise ≤3℃
• High-pressure rotor cooling: Independent cooling circuit reduces secondary compressed air temperature from 170-200℃ to ≤40℃ (40% improvement over conventional models)

2.2 Energy Efficiency

• 3% higher FAD flow compared to previous generation
• Specific power consumption reduced by 3% (5.8kW/(m³/min) for 110kW model)
• 15% reduction in cooling water consumption during summer operation

3. Application Scenarios

3.1 Precision Manufacturing

Case Study: German automotive parts supplier using ZR110-7 60Hz model for CNC machining centers

• Stable outlet temperature at 38℃
• Annual cooling water cost savings: ¥120,000
• 80% reduction in equipment downtime

3.2 Semiconductor Production

Case Study: Taiwanese wafer fab using ZR110-10.4 60Hz model for lithography machines

• Cooling system pressure drop ≤3kPa
• Annual maintenance time reduced to 8 hours
• Product yield improvement: 1.2%

4. Maintenance Strategy

4.1 Daily Checks

Component	Check Points
Cooling Water	Conductivity ≤500μS/cm, pH 6.5-8.5, hardness ≤100ppm
Oil System	Oil level, temperature (40-50℃), pressure (3.5-4.5 bar)

4.2 Scheduled Maintenance

• 4,000 hours: Replace oil filter, clean water side of oil cooler
• 8,000 hours: Replace lubricant (Atlas Copco Roto Ultra 32)

5. Conclusion

The Atlas Copco ZR110 cooler achieves triple breakthroughs in energy efficiency, reliability and maintainability through its two-stage compression thermal management, intelligent energy control and modular design. Field data shows 15% energy savings, 35% lower maintenance costs and 40% extended equipment lifespan compared to conventional models. With proper maintenance, the cooling system ensures long-term stable operation, helping enterprises achieve cost reduction and sustainable development goals.

As Industry 4.0 and green manufacturing advance, the ZR110 series cooler is poised to demonstrate its technological value across more industrial applications.