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PSA Oxygen Generator

The PSA Oxygen Generator produces oxygen on-site using Pressure Swing Adsorption (PSA) technology with specialized Zeolite Molecular Sieves. It is compact, fully automatic, and starts up quickly. Offering stable oxygen purity (90%-95%), it is a reliable and economical alternative to cylinder oxygen for medium to small-scale applications in healthcare, metal smelting, and wastewater treatment.

    Parameter Specification
    Technology Pressure Swing Adsorption (PSA)
    Adsorbent Calcium/Lithium Zeolite Molecular Sieve
    Product Gas Oxygen (O₂)
    Purity 90% - 95% (±2%)
    Capacity 1 - 100 Nm³/h (typical PSA range)
    Working Pressure 0.3 - 0.8 MPa
    Outlet Pressure Adjustable (typically 0.2-0.4 MPa)
    Dew Point ≤ -40℃
    Power Consumption ~0.65-0.8 kWh/Nm³ O₂
    Control Fully automatic PLC control

    Estimated PSA Oxygen Generator Price

    • Oxygen concentration (%) (optional)
      • <90

      • 91

      • 92

      • 93

      • 94

      • 95

      • 96

      • 97

      • 98

      • 99

    • Oxygen Flow Rate(Nm³/h)
      • 3

      • 5

      • 10

      • 20

      • 30

      • 50

      • 60

      • 80

      • 100

    • Oxygen pressure (bar)
      • 0-6

      • 150

      • 200

    The approximate cost will be: 0

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    Flow rate (Nm³/h)

    Purity (%)

    Pressure (MPa)

    Altitude (m)

    Ambient temperature (°C)

    Voltage and frequency (V/Hz)

    Application field

    Existing compressed air system

    Pressure (MPa)

    Flow rate (Nm³/h)

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    Product & Technical Features

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      Power Source

      • Primary motive power supplied by an air compressor.
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      Operating Pressure

      • Adsorption pressure is above atmospheric pressure (typically 0.3–0.8 MPa); desorption pressure is atmospheric.
      • Automation Level: Fully automatic operation with PLC control, enabling unattended operation.
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      Product Purity

      • Typically capable of producing oxygen with a purity of 90%–95%.
      • Startup and Turndown: Rapid startup and wide load adjustment range.
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      Scale Adaptability

      • Suitable for small to medium-scale applications, with a typical optimal capacity of less than 300 Nm³/h.

    Core Advantages

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      Lower Equipment Cost

      Lower initial capital investment compared to cryogenic air separation and bottled oxygen supply.

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      Compact and Lightweight

      Equipment features a compact footprint and reduced weight.

    • hy1-advan3

      Simple Operation and Maintenance

      High degree of automation and straightforward maintenance.

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      Rapid Startup

      Oxygen production begins within minutes after startup.

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      Enhanced Safety

      Operates at ambient temperature with relatively low operating pressure.

    Product Specifications

    Oxygen Flow Rate Oxygen Purity Oxygen Pressure Atmospheric Dew Point
    1–1,000 Nm³/hr (20℃, 101.325 kPa) 25%–97±1% 0.1–0.4 MPa (higher pressure available on request) –40℃ (customizable)
    Model O₂ Flow Rate (Nm³/h) O₂ Purity (%) Dimensions L×W×H (mm)
    HYO-3 3 90–93 1200×1200×1800
    HYO-5 5 90–93 1200×1200×2000
    HYO-10 10 90–93 1600×1500×2150
    HYO-20 20 90–93 1800×1700×2550
    HYO-30 30 90–93 1900×1700×2600
    HYO-50 50 90–93 2100×2000×2750
    HYO-100 100 90–93 5500×1550×3200
    HYO-150 150 90–93 6000×1800×3500
    HYO-200 200 90–93 6600×2000×3700
    HYO-3 3 97±1 5500×1200×2000
    HYO-5 5 97±1 6000×1500×2150
    HYO-10 10 97±1 7000×1700×2550
    HYO-20 20 97±1 7500×1700×2600
    HYO-30 30 97±1 8000×1900×2750
    HYO-50 50 97±1 8500×2000×3200
    HYO-60 60 97±1 9500×2100×3200
    HYO-80 80 97±1 12000×2200×3200
    HYO-100 100 97±1 15000×2600×3500
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    Working Principle

    • Core Principle: Based on Pressure Swing Adsorption (PSA) technology.
    • Adsorbent: Utilizes zeolite molecular sieves (e.g., calcium-based zeolite, lithium-based zeolite), which exhibit significantly higher adsorption affinity for nitrogen than for oxygen.
    • Process Description: Purified and dried compressed air (typically at a pressure of 0.3–0.8 MPa) enters the adsorption vessel. Under pressurized conditions, nitrogen is preferentially adsorbed by the molecular sieve, while oxygen is enriched in the gas phase and discharged as the product gas. 
    Once the adsorbent reaches saturation, the pressure is reduced to atmospheric level, causing the adsorbed nitrogen to desorb, thereby regenerating the molecular sieve. The system typically employs two adsorption vessels controlled by a PLC via pneumatic valve switching. One vessel performs adsorption and oxygen production while the other undergoes desorption and regeneration, alternating cyclically to achieve continuous oxygen generation.
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    Primary Application Scenarios

    PSA Nitrogen Generators are widely used in industries requiring inert gas for blanketing, purging, padding, or chemical processes:

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      Non-Ferrous Metal Smelting

      Copper, zinc, lead, gold, nickel smelting, titanium dioxide production, etc.
    • hy1-application2

      Healthcare

      Central oxygen supply in hospitals, medical and healthcare use.
    • hy1-application3

      Ferrous Metallurgy

      Oxygen-enriched blast furnace coal injection for ironmaking, electric arc furnace steelmaking.
    • hy1-application4

      Oxygen-Enriched Combustion

      Industrial boilers, glass melting furnaces, electrolytic aluminum production.
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      Chemical Feedstock Gas Generation

      Production of synthesis ammonia, methanol, ethylene, ethylene glycol, etc.
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      Environmental Protection

      Wastewater treatment (oxygen-enriched aeration), pulp bleaching.
    • hy1-application6

      Others

      Hydrogen peroxide production, aquaculture, ozone generation, carbon black production, etc.

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