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Product principle
It uses clean compressed air as raw material, uses high-quality zeolite molecular sieve as adsorbent, and produces oxygen from air under certain pressure. The purified and dried compressed air is subjected to pressure adsorption and decompression desorption in the adsorber. Due to the aerodynamic effect, the diffusion rate of nitrogen in the pores of the zeolite molecular sieve is much higher 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, after decompressing to normal pressure, the adsorbent desorbs the nitrogen and other impurities adsorbed to realize regeneration. Generally, two adsorption towers are set up in the system, one tower absorbs oxygen, the other tower desorbs and regenerates, and the opening and closing of the pneumatic valve is controlled by the PLC program controller, so that the two towers circulate alternately, so as to obtain oxygen with higher purity (93 %±2).

The main technical parameters
 ● Oxygen volume: 1～200Nm3/hr
 ● Purity: 93%±2%
 ● Pressure: conventional 0.1~0.65 Mpa adjustable, other pressures can be realized according to requirements
 ● Atmospheric pressure dew point: conventional ≤－40℃

Features
 1. The device structure is compact, the device occupies a small area, and the skid-mounted structure is convenient for installation;
 2. The operation is simple, the start-up speed is fast, and qualified oxygen can be provided within 15-30 minutes;
 3. The equipment runs fully automatically, and the whole process can be unattended;
 4. Efficient molecular sieve packing, tighter, firmer and longer service life;
 5. The pressure, purity and flow are stable and adjustable to meet the different needs of customers;
 6. Reasonable structure, advanced process, safety and stability, low energy consumption.

Scope of application
1. Hospital - medical breathing oxygen;
2. Plateau oxygen supply - hotels, dormitories, etc.;
3. Cutting and welding - burning to generate heat;
4. Combustion process (glass process, ampoule manufacturing, thermal energy, waste combustion treatment) - support combustion, improve combustion efficiency;
5. Ozone generator - the raw material for generating ozone;
6. Wastewater treatment - oxidation in wastewater;
7. Aquaculture - to increase the oxygen-enriched amount in the water for the cultivation of aquatic products such as fish and shrimp;
8. Diving, mountain climbing, high-altitude flight, interstellar flight, civil aviation - oxygen for breathing;
9. Metallurgical industry - iron making, steel making;
10. Oxygen-enriched home, conference room, office, dormitory, residence;
11. Chemical engineering - manufacture of sulfuric acid, nitric acid, etc.;
12. Paper - pulp bleaching.