Automatic Oxygen Production from Ambient Air
The production process starts with atmospheric air rather than externally supplied oxygen. Inside the PSA system, treated compressed air passes through molecular sieve adsorption vessels operating in alternating cycles, managed completely by automated valve switching.
Ambient Air → Compression → Filtration & Drying → PSA Separation → Oxygen Buffer → Oxygen Supply
What Makes the PSA Plant Fully Automatic?
The automation system coordinates all major operating stages without requiring operators to manually control each production cycle. The exact automation level can be configured according to plant size and project requirements.
Automatic Functions Include
- Automatic PSA cycle switching & valve operation
- Compressor start/stop & load/unload control
- Real-time oxygen purity monitoring & logging
- System pressure monitoring & regulation
- Operating alarm management & early warning
- Automatic fault protection & emergency isolation
- Automatic shutdown under defined safe conditions
- Continuous oxygen production status monitoring
- System operating data display & HMI visualization
- Unattended 24/7 continuous operation capability
Main System Components
A fully automatic oxygen plant consists of multiple integrated subsystems working seamlessly together:
* Additional oxygen compression, high-pressure storage, or cylinder-filling equipment can be integrated when required.
How the Fully-Automatic PSA Oxygen Plant Works
Atmospheric air enters through intake systems matched to ambient air quality, temperature, humidity, and altitude.
Compressor raises feed air pressure to required PSA operating range, calculated according to production goals.
Removes dust, particulate matter, oil aerosols, and water content to preserve molecular sieve adsorption efficiency.
Nitrogen is preferentially adsorbed by molecular sieve while oxygen-rich gas passes through into product stream.
Saturated vessel is depressurized to release adsorbed nitrogen. PLC automatically coordinates switching between vessels.
Oxygen fills a buffer tank to smooth out short-term consumption changes and maintain constant delivery pressure.
Control system monitors purity and pressure continuously, supplying gas reliably to downstream equipment.
HMI Real-Time Monitoring Interface
Operators view live plant status without manually tracking individual PSA cycles:
PLC Automatic Logic Execution
- Start-Up: Checks defined operating safety conditions before start
- Normal Operation: Coordinates compressor, valves, adsorption, & delivery
- Purity Monitoring: Oxygen analyzer triggers off-spec venting automatically
- Alarm & Protection: Identifies abnormal pressure/temp and initiates controlled shutdown
Industrial Applications
Metal Cutting & Fabrication
Continuous oxy-fuel cutting oxygen for multi-station workshops, shipyards, and heavy fabrication facilities.
Mining & Mineral Processing
Unattended operation for remote gold, copper, silver, lead, and zinc leaching/oxidation processes.
Metallurgical & Smelting
Supports furnace combustion enrichment, thermal processing, smelting efficiency, and process oxidation.
Wastewater Treatment
Provides automatic oxygen supply for biological wastewater treatment basins, industrial aeration, and aquaculture.
Ozone Generation Feed Gas
Dry, stable oxygen feed gas tailored for high-output ozone generators in drinking water, AOP, and industrial water treatment.
Oxygen Cylinder Filling
Integrates booster compressors and manifolds for filling industrial oxygen cylinders at distribution stations.
Automatic Plant System Configurations
Direct consumption by downstream process.
Applications requiring high pressure.
Distribution stations and bottle filling.
Direct integration with ozone generator.
Key Parameters for Plant Selection
A fully automatic PSA oxygen plant should be sized from actual project input and site parameters:
Containerized Fully-Automatic PSA Oxygen Plant
For remote mining, offshore, or temporary industrial projects, the entire system can be integrated inside a heavy-duty container. Container integration includes compressor, air treatment, PSA adsorption, buffer tank, PLC control cabinet, oxygen analyzer, ventilation, and piping.
NEWTEK Customization Capabilities Include:Frequently Asked Questions (FAQ)
It is an oxygen production system that uses PSA technology to generate oxygen from ambient air while automatically controlling compression, adsorption, regeneration, purity monitoring, and gas supply.
No. The PLC control system automatically switches the pneumatic/solenoid valves according to programmed time and pressure cycles without manual intervention.
Yes. An integrated oxygen analyzer continuously monitors generated gas. If purity falls below set limits, the system triggers alarms and vents off-spec gas automatically.
Yes. For high-pressure process requirements or cylinder filling, an booster compressor and high-pressure storage manifold can be integrated downstream.
Yes, containerized systems are ideal for remote mining sites. Plant size is determined by oxygen flow, purity, pressure, peak consumption, altitude, and ambient temperatures.
Get a Fully-Automatic PSA Oxygen Plant for Your Project
Send NEWTEK your required oxygen flow, purity, pressure, application, operating hours, and location. Our engineering team will develop the complete automated PSA configuration for your facility.
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