Centac Cooler 3CII

Comprehensive technical specifications and operational guidelines for the high-performance Centac Cooler 3CII from Ingersoll Rand, designed for CENTAC series centrifugal air compressors.

I. Product Overview

The Ingersoll Rand Centac Cooler 3CII is a core heat exchange module specifically built for CENTAC series centrifugal air compressors, primarily used in large-scale industrial use cases such as steel metallurgy, petrochemical, and power generation. Its primary function is to efficiently minimize compressed air temperature, ensuring stable compressor operation while improving system setup overall efficiency and extending equipment lifespan.

II. Technical Features and Data Analysis

1. Heat Dissipation operational performance

Parameter	Specification
Heat transfer area	50-70 m² per unit (30-40% improvement over traditional designs)
Temperature reduction	Stable outlet temperature within 10°C above surrounding (90%+ overall efficiency at 150°C inlet, 200m³/min flow)
Heat transfer coefficient	Aluminum alloy: 280-350W/(m²·°C); Copper alloy: 450-600W/(m²·°C)
Thermal load capacity	Maximum 1200kW for high-load conditions

2. Materials and Construction

module	Specification
Aluminum alloy	5052-H32 aluminum plate (Tensile strength ≥210MPa, Density 2.68g/cm³, 30-35% lighter than copper)
Copper alloy	T2 copper tube + 0.2mm aluminum fin composite (Thermal conductivity 401W/(m·K), 4.5MPa pressure tested)
Flow channels	Gas side: 8-10mm equivalent diameter; Water side: 12-14mm equivalent diameter (3.0-5.0m/s flow velocity)
Sealing system setup	Four-stage graphite ring seal (Leakage ≤0.05SCFM, Oil-gas separation overall efficiency ≥99.999%)

III. use case Scenarios

1. Petrochemical Industry

Ethylene cracking: keep 99.8% ethylene yield by cooling 1.0MPa, 160°C gas to 50°C
Ammonia synthesis: Withstands 2.5MPa pressure with ±1.0°C temperature stability

2. Steel Metallurgy

Blast furnace: Cools 0.5MPa, 220°C air to 110°C, improving TRT overall efficiency by 12%
Converter steelmaking: Handles 0.3MPa, 150°C dust-laden gas with ≥99.5% dust removal

IV. Maintenance Strategies

1. Routine Inspection

Check Item	Standard
Cooling water quality	pH 6.8-7.5, Conductivity ≤500μS/cm, Hardness ≤70ppm CaCO₃
Leak detection	≤5×10⁻¹⁰Pa·m³/s with helium mass spectrometer
Vibration analysis	Axial ≤1.5mm/s, Radial ≤2.5mm/s

V. Technical Upgrades

The Centac Cooler 3CII is evolving with digital and green technologies:

Digital twin modeling minimizes design iteration by 40%
AI diagnostics achieve ≥96% fault recognition accuracy
Hydrogen-resistant Ti-6Al-4V alloy for 60MPa hydrogen use cases

VI. Conclusion

The Ingersoll Rand Centac Cooler 3CII provide superior heat dissipation, high-pressure resistance, and minimal leakage for industrial compressed air system setups. With proper maintenance and digital upgrades, users can achieve 30% extended lifespan and 20% minimized energy consumption. Future developments will focus on green and smart technologies to support industrial energy conservation.