Pressure Swing Adsorption Oxygen Plant
Using clean compressed air as raw material and high-quality zeolite molecular sieve as adsorbent, oxygen is produced from air under a certain pressure. The purified and dried compressed air is subjected to pressure adsorption and desorption in the adsorber. Due to the aerodynamic effect, the diffusion rate of nitrogen in the micropores of the zeolite molecular sieve is much greater than that of oxygen. Nitrogen is preferentially adsorbed by the zeolite molecular sieve, and oxygen is enriched in the gas phase to form finished oxygen. Then it is depressurized to normal pressure. The adsorbent desorption plant uses clean compressed air as raw material and high-quality zeolite molecular sieve as adsorbent to produce oxygen from air under a certain pressure. The purified and dried compressed air is subjected to pressure adsorption and desorption in the adsorber. Due to the aerodynamic effect, the diffusion rate of nitrogen in the micropores of zeolite molecular sieve is much greater than that of oxygen. Nitrogen is preferentially adsorbed by zeolite molecular sieve, and oxygen is enriched in the gas phase to form finished oxygen. Then, after reducing pressure to normal pressure, the adsorbent desorbs the adsorbed nitrogen and other impurities to achieve regeneration. Generally, two adsorption towers are set in the system, one tower adsorbs and produces oxygen, and the other tower desorbs and regenerates. The opening and closing of the pneumatic valve is controlled by the PLC program controller to make the two towers circulate alternately, thereby obtaining oxygen with higher purity (93% ± 2).
● The device has a compact structure, a small footprint, a skid-mounted structure, and is easy to install;
● The operation is simple, the startup speed is fast, and qualified oxygen can be provided in 15 to 30 minutes;
● The equipment runs fully automatically, and the whole process can be unattended;
● Efficient molecular sieve filling, tighter, more solid, and longer service life;
● Pressure, purity, and flow are stable and adjustable to meet the different needs of customers;
● Reasonable structure, advanced process, safe and stable, and low energy consumption.
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