Oxygen generators are used to produce high-purity oxygen for a variety of purposes. Oxygen generators can be used in hospitals and clinics, glass manufacturing industries, aquaculture, and more. O2 generators use pressure swing adsorption technology to pull oxygen from the surrounding air, and compared to methods of oxygen delivery, oxygen generators are eco-friendly, efficient, and reliable.
In this article, we’ll talk about the importance of PSA oxygen generator technology and how PSA oxygen gas generators use pressure swing adsorption to produce oxygen. If you work in an industry that requires a steady stream of oxygen, a PSA oxygen generator may be exactly what you need.
What is Pressure Swing Adsorption (PSA)?
Pressure swing adsorption technology is used in gas generation because it is efficient and effective. The system is called pressure swing adsorption because it happens under pressure and swings back and forth between two vessels. As one vessel is being pressurized, another is depressurized. The system uses adsorption to separate oxygen from the air and produce a steady, high-purity stream of oxygen.
How PSA Oxygen Generators Work
During the adsorption phase, the generator uses a zeolite sieve to retain nitrogen and send oxygen to a collecting tank. When the zeolite sieve has adsorbed all the nitrogen it can hold, the generator enters a desorption phase, during which time the cylinder is depressurized and the nitrogen is released.
Oxygen PSA generator technology includes adsorption columns, zeolite molecular sieves, and valve and control systems that help monitor the generator to ensure that it’s functioning properly.
All the models can be customized, for more information, please do not hesitate to contact.
| Construction |
Dimensions |
Inlet& Outlet |
Weight(Kg) |
| Four towers |
620*505*1260 |
G1/4; G1/4 |
226 |
| Four towers |
1000*900*1500 |
DN15; G1/2" |
418 |
| Four towers |
1000*950*1580 |
DN15; G1/2" |
515 |
| Four towers |
1200*1100*1800 |
DN15; G1/2" |
622 |
| Two towers |
1050*600*1700 |
DN15; G1/2" |
433 |
| Four towers |
1300*1200*1750 |
DN25; G1/2" |
694 |
| Two towers |
1100*600*1620 |
DN25; G1/2" |
459 |
| Four towers |
1300*1200*1850 |
DN25; G1/2" |
749 |
| Two towers |
1100*600*1850 |
DN25; G1/2" |
502 |
| Four towers |
1400*1300*1800 |
DN25; G1/2" |
853 |
| Two towers |
1200*650*1650 |
DN25; G1/2" |
586 |
| Four towers |
1400*1300*1850 |
DN25; G1/2" |
937 |
| Two towers |
1200*650*1820 |
DN25; G1/2" |
640 |
| Four towers |
1500*1400*1850 |
DN25; G1/2" |
1076 |
| Two towers |
1300*700*1750 |
DN25; G1/2" |
758 |
| Four towers |
1700*1550*2120 |
DN40; G1" |
1352 |
| Two towers |
1400*750*2120 |
DN40; G1" |
923 |
| Four towers |
1800*1650*2060 |
DN40; G1" |
1531 |
| Two towers |
1550*800*2060 |
DN40; G1" |
1062 |
| Four towers |
1800*1650*2250 |
DN40; G1" |
1618 |
| Two towers |
1550*800*2250 |
DN40; G1" |
1130 |
| Four towers |
1800*1650*2700 |
DN50; G1" |
1899 |
| Two towers |
1550*800*2700 |
DN50; G1" |
1327 |
| Four towers |
1900*1750*2700 |
DN50; G1" |
2166 |
| Two towers |
1650*850*2700 |
DN50; G1" |
1524 |
| Four towers |
2100*1900*2600 |
DN50; G1" |
2424 |
| Two towers |
1750*900*2600 |
DN50; G1" |
1686 |
| Four towers |
2100*1900*2900 |
DN50; G1" |
2633 |
| Two towers |
1750*900*2900 |
DN50; G1" |
1847 |
| Four towers |
2200*2000*2850 |
DN65; G1" |
2831 |
| Two towers |
1850*950*2850 |
DN65; G1" |
2167 |
| Four towers |
2100*1950*3100 |
DN65; G1" |
3179 |
| Two towers |
1850*950*3100 |
DN65; G1" |
2325 |
| Four towers |
2300*2100*3000 |
DN65; G1" |
3328 |
| Two towers |
1900*1050*3000 |
DN65; G1" |
2411 |
| Four towers |
2300*2100*3210 |
DN65; G1" |
3599 |
| Two towers |
1900*1050*3210 |
DN65; G1" |
2615 |
1. Air compressor (screw type): Air is used as raw material to collect and compress air to 8 bar
2. Cold dryer: Standard configuration removes moisture and impurities from the air, making its dew point reach -20 ºC (intermediate configuration uses adsorption dryer, dew point reaches -40 ºC; advanced configuration uses combination dryer, dew point reaches -60 ºC)
3. Precision filter: A/T/C three-stage filter for oil removal, dust removal, and impurity removal
4. Air buffer tank: stores pure and dry air as raw material reserve for subsequent adsorption and separation of oxygen and nitrogen. 5. Adsorption tower: A&B adsorption towers can work alternately, regenerate adsorption, and filter out oxygen molecules by filling sodium type molecular sieves. 6. Oxygen&nitrogen analyzer: real-time monitoring and analysis of oxygen and nitrogen purity
7. Valves&Pipelines: Intelligent control valves achieve fully automatic operation of equipment, PLC control, SUS304 pipeline. 8. Oxygen&Nitrogen Buffer Tanks: Store oxygen and nitrogen with qualified purity
9. Pressure regulator: Adjust and stabilize the outlet pressure of oxygen and nitrogen (3-6 bar). 10. Dust filter: Remove dust caused by molecular sieves in oxygen and nitrogen
11. Check valve: prevents oxygen and nitrogen reflux
12. Turbocharger: an oxygen and nitrogen booster that boosts the pressure of oxygen and nitrogen to the filling pressure, usually 150 bar or 200 bar
13. Pressure regulating valve: Oxygen&nitrogen compressor pressure regulation
14. Filling row: Split high-pressure oxygen and nitrogen into each gas cylinder
The Science Behind PSA Technology
Zeolite is a highly porous material that can be found in nature or created synthetically. Zeolite is very effective at adsorbing nitrogen, which makes it a very important part of your oxygen generator.
As pressure builds in the PSA system for oxygen, nitrogen is adsorbed into the zeolite sieve. It is this building pressure that leads to adsorption. When the pressure is decreased, the nitrogen is released from the sieve and can be ejected into the air.
Advantage
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