Custom Industrial Oxygen Generation System

Custom Industrial Oxygen Generation System
Custom Industrial Oxygen Generation System
Custom Industrial Oxygen Generation System
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Custom-Built PSA Oxygen Generator

The PSA oxygen generation system uses clean compressed air as the feed gas and high-quality zeolite molecular sieve as the adsorbent. Under controlled pressure conditions, oxygen is separated from air through pressure swing adsorption technology. Purified and dried compressed air undergoes pressurized adsorption and depressurized desorption inside the adsorption towers. Due to aerodynamic characteristics, nitrogen diffuses through the micropores of the zeolite molecular sieve at a faster rate than oxygen. Nitrogen is preferentially adsorbed, while oxygen is enriched in the gas phase to form product oxygen. During depressurization to atmospheric pressure, the adsorbed nitrogen and impurities are released to regenerate the adsorbent. Two adsorption towers operate alternately. One tower produces oxygen, while the other performs desorption and regeneration. Pneumatic valves are switched by a PLC controller, enabling continuous production of high-purity oxygen.

Technical Specifications
  • Oxygen capacity: 1-200Nm³/h (standard conditions)
  • Oxygen purity: 93%±2% (per Chinese National Standard)
  • Outlet pressure: 0.1-0.55MPa (gauge, stable and adjustable)
  • Oxygen dew point: ≤-40°C (at atmospheric pressure)
Customized PSA Oxygen Generation System
Process Description
  • Feed Air Pretreatment
    Compressed air passes through a refrigerated dryer and multi-stage filters to remove moisture, oil mist, and impurities. This ensures the inlet air is clean, dry, and oil-free, protecting the molecular sieve from contamination.
  • Adsorption Separation
    The pretreated air enters the adsorption towers filled with zeolite molecular sieve (ZMS). Under regulated pressure, the ZMS preferentially adsorbs nitrogen, carbon dioxide, and other trace impurities, while oxygen passes through the adsorbent bed as the product gas.
  • Regeneration Cycle
    Two adsorption towers work in alternating cycles. While one tower is in the adsorption phase to produce oxygen, the other undergoes depressurization to desorb impurities and achieve regeneration. PLC-controlled valves manage the seamless switching between towers to ensure a continuous and stable oxygen flow.
  • Post-Treatment and Storage
    Produced oxygen passes through fine filtration and sterilization. Oxygen boosters or oxygen storage tanks can be configured according to application requirements to ensure stable supply.
Key Features
  • Ambient temperature and low-pressure operation
    No cryogenic liquefaction is required. The system utilizes physical adsorption for separation, ensuring low energy consumption and high operational safety.
  • Adjustable oxygen purity
    Standard oxygen purity reaches 93%±2%. Secondary PSA purification enables oxygen purity above 99.5% for industrial or medical applications.
  • Automated control
    Featuring "one-button start" and fully automated operation. Key parameters such as flow rate, pressure, and purity are monitored in real-time, supporting unmanned operation.
Technical Parameters
Model Purity Flow rate (Nm³/h) Inlet nominal diameter Outlet nominal diameter Outlet pressure (MPa)
LMO-3 93%±2% 3 DN15 DN15 0.1-0.55
LMO-5 93%±2% 5 DN15 DN15 0.1-0.55
LMO-10 93%±2% 10 DN25 DN25 0.1-0.55
LMO-15 93%±2% 15 DN40 DN25 0.1-0.55
LMO-20 93%±2% 20 DN40 DN25 0.1-0.55
LMO-25 93%±2% 25 DN40 DN25 0.1-0.55
LMO-30 93%±2% 30 DN40 DN25 0.1-0.55
LMO-40 93%±2% 40 DN50 DN40 0.1-0.55
LMO-50 93%±2% 50 DN50 DN40 0.1-0.55
LMO-60 93%±2% 60 DN50 DN40 0.1-0.55
LMO-70 93%±2% 70 DN65 DN40 0.1-0.55
LMO-80 93%±2% 80 DN65 DN40 0.1-0.55
LMO-90 93%±2% 90 DN65 DN40 0.1-0.55
LMO-100 93%±2% 100 DN65 DN50 0.1-0.55
LMO-110 93%±2% 110 DN65 DN50 0.1-0.55
LMO-120 93%±2% 120 DN80 DN50 0.1-0.55
LMO-130 93%±2% 130 DN80 DN50 0.1-0.55
LMO-140 93%±2% 140 DN80 DN50 0.1-0.55
LMO-150 93%±2% 150 DN100 DN50 0.1-0.55
LMO-160 93%±2% 160 DN100 DN50 0.1-0.55
LMO-170 93%±2% 170 DN100 DN50 0.1-0.55
LMO-180 93%±2% 180 DN100 DN65 0.1-0.55
LMO-190 93%±2% 190 DN100 DN65 0.1-0.55
LMO-200 93%±2% 200 DN100 DN65 0.1-0.55
Optional Equipment
  • Gas Filling System
Need a Tailored Gas Generation Solution?

Consult with our experts to design an integrated system that meets your specific flow, purity, and environmental requirements.
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