Atlas Copco Air Compressor Cooler
Atlas Copco Compressor Cooler GA250
Main Parameters
Professional analysis of GA250 compressor cooling system from Fete Vessel - the industry leader in compressed air solutions.
1. Product Overview
The Atlas Copco GA250 series compressor stands as a benchmark in industrial compressed air systems, with its cooler module being the core component ensuring efficient operation. This cooler features thermodynamic optimization design, utilizing forced convection heat transfer principles to effectively dissipate compression heat. It's suitable for working conditions ranging from 7.5bar to 13bar pressure with flow rates up to 43.7m³/min.
The product adopts modular integrated design, seamlessly compatible with dual-host parallel systems, and finds extensive application in industries with stringent compressed air quality requirements such as petrochemicals, automotive manufacturing, and food processing.
From a technological evolution perspective, the GA250 cooler inherits Atlas Copco's technical heritage dating back to 1957 when the U-series oil-free screw compressor was first introduced. Its core cooling tube bundle uses 316L stainless steel material, offering 300% better corrosion resistance than traditional carbon steel. Combined with the dual-process counterflow heat exchange structure, the heat exchange efficiency has improved by 45% compared to first-generation products. This design significantly extends equipment service life while dramatically reducing downtime risks caused by cooling failures.
2. Technical Features and Data Specifications
2.1 Core Parameter System
Heat Exchange Performance
- Rated heat exchange capacity: 285kW (at 40°C ambient temperature)
- Heat transfer coefficient: 1200W/(m²·K)
- Cooling water pressure drop: ≤0.05MPa (at 20m³/h flow rate)
- Air side pressure drop: ≤0.02MPa (standard conditions)
Structural Parameters
- Cooling tube specifications: Φ19×1.5mm, total effective length 320m
- Fin spacing: 2.5mm (corrugated aluminum fins)
- Face area: 1.2m²
- Water side flow velocity: 1.8-2.2m/s
Environmental Adaptability
- Temperature resistance range: -20°C to +60°C
- Seismic rating: IEC 60068-2-6 Standard Class 3
- Protection class: IP55 (complete module)
2.2 Innovative Technological Breakthroughs
Intelligent Temperature Control System
The Elektronikon® MK5 controller dynamically adjusts cooling fan speed by monitoring cooling water temperature, flow rate, and compressor exhaust temperature in real-time. Under full load conditions, this system improves cooling efficiency by 22% and saves 18% more energy compared to traditional fixed-speed fan solutions.
Anti-fouling Self-cleaning Technology
The cooling tube inner wall features a nano hydrophobic coating combined with an automatic backwash program, effectively inhibiting calcium carbonate deposits. Experimental data shows that with circulating water hardness at 300ppm, the heat exchange efficiency attenuation rate is only 3.2% after 2000 hours of continuous operation, far below the industry average of 15%.
Dual-medium Redundant Design
The module incorporates both air-cooled and water-cooled circuits. When the primary cooling system fails, the backup circuit can automatically switch within 15 seconds. This design increases the equipment's MTBF (Mean Time Between Failures) to 12,000 hours, 40% higher than single-medium systems.
2.3 Energy Efficiency Optimization Indicators
According to ISO 1217:2009 standard testing, the GA250 cooler achieves specific power consumption of 5.8kW/(m³/min) at 10bar pressure and 40°C ambient temperature, 12% lower than comparable products. Its comprehensive energy efficiency index (IE) reaches 0.92, meeting EU ERP Directive Tier 2 energy efficiency standards.
3. Application Scenarios and Case Studies
3.1 Industry Application Matrix
| Industry | Typical Operating Requirements | Cooler Configuration Solution |
|---|---|---|
| Petrochemical | Continuous operation, high-temperature corrosive media | 316L stainless steel + dual-seal structure |
| Automotive Manufacturing | Instantaneous high flow, precision pneumatic tools | Fast-response variable frequency fan + intelligent pressure compensation |
| Food Processing | Oil-free sterile, sanitary-grade requirements | Fully enclosed water circuit + CIP online cleaning interface |
| Mining | Dusty environments, high-vibration conditions | Explosion-proof motor + seismic support structure |
3.2 Case Study Analysis
Case 1: Delphi Packard Electrical Systems (Guangzhou)
As a global leader in automotive electronics, Delphi implemented the GA250 VSD variable frequency compressor system in 2011. Its cooling module features dual-redundancy design combined with SmartLink remote monitoring system for real-time cooling efficiency optimization. After the upgrade, system energy consumption reduced by 35%, saving over 1.2 million yuan annually in electricity costs. More importantly, the cooler module operated continuously for 5 years without failure, achieving MTBF of 15,200 hours.
Case 2: Sinopec Jinling Petrochemical Branch
In catalytic cracking units, compressed air must withstand 180°C high temperatures and sulfur-containing media corrosion. Atlas Copco's customized solution included:
- Cooler material upgraded to Incoloy 825 alloy
- Added pre-cooling heat exchanger
- Configured online pH monitoring system
This solution enabled stable operation under extreme conditions, reducing unplanned downtime by 78% and annual maintenance costs by 65% compared to the original system.
Case 3: Shanghai Disney Resort
To meet the high-quality compressed air requirements for pneumatic special effects equipment in the theme park, the project adopted GA250 FF full-performance models. The built-in refrigerated dryer and cooler module integrated design maintains compressed air dew point temperature stably at -40°C, with oil content ≤0.003ppm. Over three years of operation, equipment noise consistently remained ≤68dB(A), well below the park's environmental requirement limit of 75dB(A).
4. Maintenance Strategies
4.1 Preventive Maintenance System
Daily Inspection
- Check cooling water flow, pressure and temperature
- Observe cooling fan operation status
- Clean dust accumulation on fin surfaces
Monthly Maintenance
- Perform cooler backwash procedure
- Test cooling water pH (recommended 6.5-8.5)
- Check pipeline connection tightness
Annual Overhaul
- Replace cooling tube bundle sealing rings
- Ultrasonic testing of tube wall thickness
- Anti-corrosion coating integrity check
4.2 Fault Diagnosis and Handling
| Symptom | Possible Cause | Solution |
|---|---|---|
| Cooling efficiency decrease >15% | Fin clogging/scaling | Perform chemical cleaning (recommend 5% citric acid solution) |
| Cooling water pressure drop exceeds standard | Tube blockage/corrosion | Implement pipeline cleaning or replace damaged sections |
| Fan overload alarm | Bearing wear/electrical fault | Replace SKF heavy-duty bearings, test motor insulation |
| Abnormal condensate drainage | Auto drain clogged | Disassemble and clean drain valve core, check solenoid coil |
4.3 Spare Parts Management Strategy
Recommended critical spare parts inventory:
- Cooling tube bundle assembly (P/N: 1614727300)
- Mechanical seal (P/N: 2903033701)
- Variable frequency fan motor (P/N: IE3-250kW)
- Anti-corrosion coating repair material (Brand: Jotun Penguard)
Spare parts inventory should follow the "3-6-9" principle:
- 100% stock for frequently used parts within 3 months
- 50% stock for periodic parts within 6 months
- 30% stock for strategic parts within 9 months
5. Summary and Outlook
The Atlas Copco GA250 compressor cooler has redefined industrial compressed air system thermal management standards through three-dimensional breakthroughs in material innovation, structural optimization, and intelligent control. Its modular design not only reduces users' initial investment costs but also decreases equipment TCO (Total Cost of Ownership) by 28% compared to traditional solutions through full lifecycle management plans.
Driven by "dual carbon" goals, the new generation of cooler products is accelerating digital and green transformation. Future technology evolution directions include:
- Integrated waste heat recovery systems for energy cascade utilization
- Application of digital twin technology to build predictive maintenance models
- Development of new environmentally friendly refrigerants to reduce GWP values
For users, choosing the GA250 cooler means not only acquiring high-efficiency equipment but also gaining access to Atlas Copco's global service network. With 180 country service outlets and 7×24 expert support, users receive comprehensive protection from solution design, installation debugging to operation optimization, truly achieving "worry-free air usage" for industrial upgrades.
Share Article
| Brand Name: | Fete Vessel | Design Standard: | ASME, PED, CE |
|---|---|---|---|
| Place of Origin: | China | Condition: | New |
| Warranty: | 3 years | Production standard: | GB150.ASME.European standard. |
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Atlas Copco Air Compressor Cooler
Atlas Copco Air Compressor Cooler
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