Skid-Mounted Multi-Stage Centrifugal Compressor System

This system integrates advanced multi-stage centrifugal compression technology with a compact, modular skid-mounted design. It offers outstanding performance, intelligent control, and versatile application potential—ideal for stable, continuous air supply in various industrial sectors.

1. Performance Highlights

• Mechanical Performance: Fully meets design specifications

• Vibration Levels: Better than API 672 standards

• Bearing Temperature: All readings below 85°C

• Specific Power Consumption: As low as 5.49 kW/(m³/min) for energy efficiency

2. Core Structure and Components

◉ Aerodynamic Section (Impellers)

• Material: High-strength precipitation-hardened stainless steel or corrosion-resistant titanium alloy forged

• Manufacturing: Precision-machined using 5-axis CNC milling for high surface smoothness and dimensional accuracy

• Design: 3D backward-curved impellers for maximum efficiency and a wide operating range

• Simulation & Testing: Finite element analysis to minimize stress and deformation; UT nondestructive inspection; 115% overspeed testing and MT re-inspection per API 672

◉ Transmission Section

• Speed Increase: Traditional gear-driven system for optimal impeller speeds

• Material: Forged high-strength alloy steel with carburized, quenched gear surfaces (HRC 58–62)

• Precision: Gears ground to AGMA 13+ standards for high load capacity, low noise, and durability

• Profile Optimization: Unique gear profile modification for reduced vibration and smoother operation even at speeds up to 60,000 rpm

◉ Bearing Section

• Type: Four or five tilting pad journal bearings

• Material: Babbitt alloy cast onto steel backing

• Features: Self-adjusting tilting pads ensure excellent stability under varying loads, preventing whirling and instability

3. Intelligent Control System

• Functions: Automatic dual-mode operation and constant pressure control

• Interface: Real-time parameter display, alarm & shutdown functionality, user-friendly HMI

• Safety & Optimization: Anti-surge protection, surge prediction control, intelligent overload protection

• Efficiency: Automatically adjusts air output to match demand, optimizing energy use

4. Application Scenarios

This system is widely used in:

• Steel metallurgy

• Petrochemical industry

• Textile & synthetic fiber production

• Food fermentation

• Pharmaceutical manufacturing

• Marine systems

• Automotive industry

• Semiconductor and electronics industry

This modular multistage centrifugal compressor system stands out as an ideal solution for a wide range of industrial gas compression needs, thanks to its outstanding mechanical performance, intelligent control, and skid-mounted design. Engineered to meet and exceed API 672 standards, it ensures stable operation, high efficiency, and low energy consumption even under demanding conditions. With precision manufacturing, high-grade materials, and advanced rotor dynamics, the system delivers reliable long-term performance. It is widely applicable across industries such as steel, petrochemicals, textiles, food processing, pharmaceuticals, marine, automotive, and semiconductors, offering a high-performance, sustainable gas supply solution.