ASU Air Separation Unit
Cryogenic air separation is the core basic equipment in the field of industrial gases. It separates air into high-purity oxygen, nitrogen and argon gas through low-temperature distillation technology. Shenger Gas focuses on the design and manufacturing of ASU air separation units, providing a full range of solutions from small industrial grade to large-scale projects. The equipment adopts mature cryogenic process, which is stable and efficient, and can meet the needs of large-volume and high-quality gases in many fields such as metallurgy, chemical industry, and new energy.
Core product advantages
- High purity and multi-product output: It can simultaneously and stably produce more than 99.6% oxygen, more than 99.999% nitrogen, and high purity liquid argon, liquid oxygen, liquid nitrogen and other products, with high purity and wide applicability.
- Large-scale and low-energy consumption: Advanced technologies such as high-efficiency molecular sieve purification, pressurized turbine expanders and regular packing towers are adopted, with low energy consumption per unit of gas and significant economicality for large-scale applications.
- High automation and reliability: Intelligent control of the entire system, realizes automatic variable load, fault diagnosis and safety interlocking, ensures continuous and stable operation, and reduces manual intervention.
- Modular design and turnkey service: Overall modular manufacturing is easy to transport and installation, and can provide full-cycle services from design, manufacturing, installation to commissioning operations.
Product Scale and Output Capacity Correspondence Table
|
Product Gas |
Typical Purity |
Gaseous Product Flow (Nm³/h) |
Liquid Product Capability |
Main Application Scale |
|
Oxygen (O₂) |
≥ 99.6% |
500 ~ 50,000 |
Optional |
Large-scale metallurgy, chemical industry |
|
Nitrogen (N₂) |
≥ 99.999% |
1,000 ~ 100,000 |
Optional |
Electronics, petrochemicals, new materials |
|
Argon (Ar) |
≥ 99.999% |
10 ~ 2,000 |
Optional |
Stainless steel, crystalline silicon manufacturing |
Technical Parameter Details
|
Parameter Category |
Specification Description |
|
Product Purity |
Oxygen: ≥99.6%; Nitrogen: ≥99.999% (adjustable); Argon: ≥99.999% |
|
Product Form |
Gaseous / Liquid / Gaseous-Liquid Coexistence |
|
Operating Pressure |
Medium/High Pressure Process (customized based on scale and product scheme) |
|
Start-up Time |
24~48 hours (dependent on unit scale and operating conditions) |
|
Operation Mode |
Fully automatic continuous operation with automatic load adjustment |
|
Energy Consumption Index |
Large-scale units: Oxygen specific power consumption ≤0.5 kWh/Nm³ (highly dependent on scale and configuration) |
|
Cold Box Design |
Modular structure with excellent thermal insulation, suitable for outdoor installation |
Industry application cases
ASU air separation unit is the preferred equipment in the following industries:
- Metallurgical Industry: Oxygen-rich blower for steel smelting, copper-zinc smelting, redox, smelting protection.
- Chemical and petrochemical: coal gasification, synthesis gas production, nitrogen protection, pipeline purge.
- New energy and new materials: protective gas and carrier gas in the preparation of polysilicon and semiconductor materials.
- Medical and food: medical oxygen and food-grade nitrogen supply, liquid nitrogen freezing application.
- Aerospace: Liquid oxygen and liquid nitrogen are used as propellants or test ambient gases.
Certification and Standards
Shenger Gas air separation device strictly follows international design and manufacturing specifications to ensure long-term safety and reliability of equipment:
- The design and manufacturing of pressure vessels comply with ASME or GB standards.
- The overall system quality management has passed ISO 9001 certification.
- The electrical and control systems comply with IEC standards or corresponding national standards.
- Have CE certification (according to export regional needs).
We have strong technical accumulation and rich project experience, and can provide customers with customized design, efficient energy-saving configuration and full life cycle management to ensure that your project obtains a stable and economical gas supply and effectively support the stable operation of the main process.
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