Cryogenic Air Separation Unit
|
Model |
Capacity |
Purity (O₂/N₂/Ar) |
Power Consumption (kWh/Nm³ O₂) |
Operating Pressure (Bar) |
Cooling Method |
|
LPN-50 |
50 |
99.9% / 99.999% / 99.999% |
0.38 |
5-8 |
Cryogenic |
|
LPN-100 |
100 |
99.9% / 99.999% / 99.999% |
0.36 |
6-10 |
Cryogenic |
|
LPN-200 |
200 |
99.9% / 99.999% / 99.999% |
0.34 |
8-12 |
Cryogenic |
|
LPN-500 |
500 |
99.9% / 99.999% / 99.999% |
0.32 |
10-15 |
Cryogenic |
These units are designed for high efficiency, reliability, and adaptability to various industrial applications.
2. Introduction to LDH Gas Systems Company Limited
LDH Gas Systems Company Limited is a globally recognized leader in the design, manufacturing, and installation of gas separation and purification systems. With over two decades of experience, we specialize in cryogenic air separation units (ASUs), pressure swing adsorption (PSA) systems, and vapor recovery units (VRUs).
Our company is committed to innovation, sustainability, and customer satisfaction, providing cutting-edge solutions for industries such as:
Metallurgy (oxygen for steelmaking)
Chemical & Petrochemical (nitrogen for inerting)
Healthcare (medical-grade oxygen)
Electronics (high-purity gases for semiconductor manufacturing)
Energy (hydrogen and LNG applications)
LDH Gas Systems has a strong R&D team, ensuring continuous improvement in energy efficiency and operational safety. Our units comply with ISO, ASME, and CE standards, guaranteeing high performance and long-term reliability.
3. Cryogenic Air Separation Unit – Detailed Overview
3.1. Working Principle
The cryogenic air separation process involves cooling atmospheric air to extremely low temperatures (-196°C) to liquefy and then distill it into its primary components: oxygen (O₂), nitrogen (N₂), and argon (Ar). The key steps include:
● Air Compression – Ambient air is filtered and compressed.
● Pre-Cooling & Purification – Moisture and CO₂ are removed to prevent freezing in the cryogenic section.
● Heat Exchange & Liquefaction – The air is cooled in a multi-stage heat exchanger.
● Fractional Distillation – Separation occurs in a double-column distillation system, where O₂, N₂, and Ar are extracted based on their boiling points.
● Product Storage & Distribution – The purified gases are stored in cryogenic tanks or compressed for delivery.
3.2. Key Features of LDH Cryogenic ASUs
● High Purity Output – Capable of producing 99.9% O₂, 99.999% N₂, and 99.999% Ar.
● Energy Efficiency – Advanced heat exchangers and turbo-expanders minimize power consumption.
● Modular Design – Allows for easy expansion and customization based on client needs.
● Automated Control System – PLC-based monitoring ensures stable operation and safety.
● Low Maintenance – Robust construction with high-quality materials reduces downtime.
3.3. Applications of Cryogenic ASUs
● Steel & Metal Industry – Oxygen for basic oxygen furnaces (BOF) and nitrogen for annealing processes.
● Oil & Gas – Nitrogen for blanketing and purging in refineries.
● Medical Sector – Liquid oxygen (LOX) for hospitals and respiratory therapy.
● Aerospace – High-purity gases for rocket propulsion and fuel systems.
● Food & Beverage – Nitrogen for packaging and preservation.
4. Advantages of Choosing LDH Gas Systems
4.1. Technological Superiority
Our ASUs integrate state-of-the-art cryogenic distillation technology, ensuring optimal separation efficiency. The use of molecular sieve adsorbers and high-efficiency turbo-machinery enhances performance while reducing energy costs.
4.2. Customization & Scalability
We offer tailor-made solutions based on client requirements, including:
On-site vs. portable units
High-pressure vs. low-pressure configurations
Integration with existing gas networks
4.3. Global Support & Service
LDH Gas Systems provides:
24/7 technical support
Remote monitoring & diagnostics
Preventive maintenance programs
Spare parts availability worldwide
5. Conclusion
LDH Gas Systems Company Limited stands at the forefront of cryogenic air separation technology, delivering high-performance, energy-efficient, and reliable ASUs for diverse industries. Our commitment to innovation, quality, and customer service ensures that clients receive the best solutions for their gas separation needs.
For more information, please visit our website or contact our sales team for a customized proposal.
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