High Pressure Air Separation Unit

 

High Pressure Air Separation Unit Features

Operation in high-pressure environment

achieve air separation under higher pressure conditions, improve separation efficiency and gas compression efficiency.
Separation based on boiling point difference

use the different boiling points of oxygen, nitrogen, argon and other components in the air to achieve precise separation through distillation.
Multi-process collaborative operation

integrate compression, purification (water removal, carbon dioxide, etc.), cooling, distillation and other links to form a complete separation process.
Output high-purity gas

can produce industrial gases such as oxygen, nitrogen and high-purity argon with a purity of more than 99.5%.
Focus on core industrial fields

widely serve metallurgy, chemical industry, energy and other industries, and provide key gas raw materials or protective gases.
Highly integrated system

the equipment structure is complex, and the components (compressor, distillation tower, etc.) are highly coordinated, and the parameters need to be precisely controlled.

 

High Pressure Air Separation Unit Application Scenarios

Metallurgical industry: Provide high-purity oxygen for combustion in steel and iron making, improve smelting efficiency and steel quality.

Chemical industry: As raw material gas for the production of chemical products such as synthetic ammonia and methanol, ensure stable reaction.

Energy industry: Provide nitrogen as protective gas or displacement medium in natural gas liquefaction and shale gas mining.

Electronic manufacturing: Supply ultra-high purity nitrogen and argon for atmosphere protection and cleaning processes in chip production.

Q: What are the core advantages of high-pressure air separation units compared to low-pressure units? ​
A: The core advantages of high-pressure air separation units are stability and gas extraction efficiency in adapting to high-pressure conditions. Its design can directly produce high-pressure gaseous oxygen and nitrogen (without additional booster equipment), reducing energy consumption losses; at the same time, when dealing with high purity requirements, the separation accuracy is easier to control, especially suitable for industries such as chemical and metallurgy that require high-pressure gas sources. ​

Q: What is the adjustable range of oxygen/nitrogen production of the equipment? Can it meet intermittent production needs? ​
A: The production adjustment range of conventional high-pressure units is 50%-110% of the design value, which is achieved by adjusting the inlet gas volume and the reflux ratio of the distillation tower.

Q: What are the special requirements for the installation site? ​
A: The site must meet the following requirements: ground bearing ≥20kN/m² (distillation tower foundation), good ventilation (avoid nitrogen/oxygen accumulation), away from fire and dust sources (safety distance ≥50 meters), and reserved equipment maintenance channel (width ≥1.5 meters).​

Q: How long is the life of the core components of the equipment (such as distillation tower, molecular sieve)?
A: The design life of the distillation tower (stainless steel material) is more than 20 years, and the life of the molecular sieve adsorbent depends on the quality of the raw air. ​

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