Medical 2Nm3/h High Purity PSA Oxygen Generator 

Model:MC-AT04

1. Brief introduction of PSA Oxygen Generation System
    PSA (Pressure Swing Adsorption) technology, which is deffirent from traditional cryogenic technology, is going to more and more popular used for air separating. Each gas has a specific adsorption rate when they pass through the vessel filled with molecular sieves (Zeolite molecular sieves) under a swing pressure. Most of Nitrogen molecules are trapped by ZMS, and other gases(Oxygen gas) are collected out for production gas.

    However, the molecular sieves might be saturated with trapped nitrogen molecules, so it need to depressurized to regenerate for next cycle. In that case, we always design a twin-vessel structure to achieve a continuous production of oxygen gas, so that the lowest energy consumption and best efficiency can be realized. Contrast to the traditional cryogenic technology, the PSA technology has more advantages: more economical, more convenient, more stable.

    Mecan Oxygen Generation System include one set of air compressor, one air dryer, one set of air filters, one STPO-25 Oxygen generator, one air buffer tank, one oxygen buffer tank, one set of oxygen booster, one set of oxygen filling station, related control system and so on.

2. PSA Oxygen Generator Process Description
    The PSA oxygen generator is usable for all kinds of middle and small amount oxygen onsite supplying, and with the obvious characteristics of simple process flow, completely automatic operation and low running noise, etc.

    The equipment, which makes the zeolite molecular sieves adsorb in the condition of increasing the pressure and desorb under the ordinary pressure, is called pressure swing adsorption oxygen generator which is desorbed under atmosphere pressure (PSA-O2).

     When the pressure of the pressure swift adsorption oxygen generator which is desorbed under the atmosphere pressure increases, the zeolite molecular sieves (ZMS)adsorb nitrogen and produce oxygen, when the pressure steps down to atmospherepressure, the zeolite molecular sieves desorbs nitrogen and regenerate. The desorbedunder the atmosphere pressure PSA-O2 generator usually has two adsorptive towers,one tower is used for adsorbing nitrogen and producing oxygen, while the other fordesorbing nitrogen and making regeneration, two towers alternate adsorption and regeneration to output oxygen continuously.

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