| PB-90 PSA Oxygen Plant Technical Specification | ||||||
| lot | Item | Description /Specification | ||||
| 1 | Model/Place of Manufacture | PB-90 | China | |||
| 2 | Oxygen making principle | PSA Pressure swing adsorption PSA变压吸附(开放式结构) | ||||
| 3 | Application | Operation place | Indoor | |||
| Environment | Ambient temperature | Min -5℃/Max 50℃/ design temperature37℃ | ||||
| Ambient humidity | Min 40%RH Max90%RH | |||||
| 4 | Capacity | 90 | Nm3/hr | |||
| 5 | Oxygen Gas Purity | 93% ±3% Test at outlet of psa oxygen generator | ||||
| 6 | Oxygen Purity Sensor | HT-TA530 1set | ||||
| 7 | Oxygen Flowmeter | Japan SMC flowmeter 1 sets | ||||
| 8 | Inlet compress air pressure | 0.55~0.7 Mpa | ||||
| 9 | Inlet Oil Content | ≤0.001mg/m3 | ||||
| Residual dust | ≤0.01um | |||||
| Residual water | ≤0.069mg/m3 | |||||
| 10 | Air inlet atmospheric dew point | -15℃ | ||||
| 11 | Demand for clean compressed air | 19.5 m³/min | Recommend Air compressor | 132Kw 23.2 m³/min 8Bar | ||
| 12 | Inlet Diameter | DN50 | ||||
| 13 | Outlet Diameter | DN25 | ||||
| 14 | Maximum inlet temperature | MAX 30 ℃ | ||||
| 15 | Allowable working pressure range | Min7.5Kgf / cm2 Max9.9Kgf / cm2 | ||||
| 16 | Carbon molecular sieve model/origin | JLOX-500 | ||||
| 17 | The tower body pipe | 2 sets | ||||
| 18 | Air and Oxygen buffer tank | Piped storage tank | ||||
| 19 | Instrument Tank, silencer | PB Silencer ≤55dB(A) | ||||
| 20 | Solenoid valve brand/origin | AirTAC | 9 sets | |||
| 21 | Pneumatic valve brand/origin | Powerbuilder | 9 Sets+2 Sets | |||
| 22 | Control System | Control Power Supply | 0.2kw/set 220V 50 HZ | |||
| PLC | Siemens PL Smart S7-200 or Mitsubishi integrated PLC | |||||
| Electrical box | built-in | 1 set | ||||
| Touch screen | MCGS 7 inch or Mitsubishi integrated PLC with screen | |||||
| 23 | size LxWxH (mm) / Weight:(Kg) | About:2500*1400*2900// 5500kg | ||||
Working Principles for PSA Oxygen Generator
- The oxygen plant employs the Pressure Swing Adsorption (PSA) process, a highly efficient method for separating oxygen from compressed air. This process capitalizes on the selective adsorption properties of Zeolite Molecular Sieve, a synthetic material that can selectively absorb nitrogen while allowing oxygen to pass through.
- The PSA oxygen generation plant comprises two vessels, each filled with Zeolite Molecular Sieve as adsorbers. When compressed air is introduced into one of the vessels, the molecular sieve captures and retains the nitrogen molecules, enabling the oxygen to exit as the product gas.
- Once the adsorber becomes saturated with nitrogen, the airflow is switched to the second vessel. Meanwhile, the first vessel undergoes a regeneration phase. During this phase, nitrogen is desorbed from the molecular sieve through depressurization, and the adsorber is purged with a portion of the product oxygen. This process effectively removes nitrogen and readies the adsorber for the next cycle.
- During the adsorption phase of the PSA process, the compressed air containing a mixture of oxygen and nitrogen is introduced into one of the adsorber vessels. As the air passes through the Zeolite Molecular Sieve, the nitrogen molecules are selectively adsorbed onto the surface of the sieve, while the oxygen molecules pass through and exit as the product gas. This selective adsorption is due to the different affinities of nitrogen and oxygen for the molecular sieve.
- Meanwhile, the other adsorber vessel is in the desorption phase. The pressure is reduced, allowing the nitrogen molecules previously adsorbed onto the molecular sieve to be released. This desorption is facilitated by depressurization and purging with a portion of the product oxygen gas. The released nitrogen is vented out of the system, leaving the adsorber vessel ready for the next adsorption cycle.
- The continuous cycle of adsorption and desorption ensures a continuous supply of high-purity oxygen gas. As one adsorber vessel is adsorbing nitrogen, the other is being regenerated, creating a seamless operation. The alternating pressure levels optimize the adsorption and desorption processes, maximizing the efficiency of nitrogen removal from the compressed air stream.
- By utilizing the unique properties of Zeolite Molecular Sieve, such as its high surface area and selective adsorption characteristics, the oxygen plant achieves efficient separation of oxygen from compressed air. The PSA process enables the production of high-purity oxygen gas, meeting the specific requirements of various industries and applications.
- The reliable supply of high-purity oxygen gas from the PSA oxygen generation plant supports diverse applications, including medical facilities, aquaculture systems, ozone generation, glass blowing, leaching processes, welding operations, and more. The ability to continuously produce oxygen gas with high purity and efficiency makes the PSA process a valuable technology in meeting the growing demand for oxygen in various sectors.
-Standard Features –
- Control system with SIEMENS touch operated panel
- Automatic start/stop
- Built in purity analyzer for continues monitoring
- Reliable- built for uninterrupted operation
- Designed for dynamic pressure loading
- Robust design, piping from Stainless Steel
-Optional Features-
- Molecular sieve moisture protection
- GSM modem (remote start/stop, status SMS, alarm warning SMS)
- Flow meter with totalize
- Oxygen dew point sensor
- Temperature sensor
- Purity and pressure control
- Audio/visual alarm
- Modbus TCP/IP connection
- Remote control system
- Data-logging (saved on memory card)
-Applications-
- Aquaculture
- Feed Gas for Ozone Generators
- Glass blowing
- Leaching
- NOx Reduction for Fuel Burners
- Oxygen Lancing
- Welding, Brazing
- Wellness
