
Oxygen gas generating systems are vital for industries such as healthcare, aquaculture, metallurgy, chemical processing, glass manufacturing, and wastewater treatment. These systems provide a cost-effective, sustainable, and reliable on-site source of oxygen, eliminating the need for frequent cylinder replacements or liquid oxygen deliveries. To understand how they work, it’s important to explore the core components that make up these systems.
AIR COMPRESSOR: THE STARTING POINT
The process begins with the air compressor, which draws in ambient air and compresses it to the pressure required for downstream operations. Depending on the application, oil-lubricated or oil-free compressors are selected. Matching the compressor capacity to the oxygen generator’s requirements is critical for efficient and reliable performance.
AIR DRYER: REMOVING MOISTURE
Compressed air contains water vapor that can damage equipment and reduce oxygen generator efficiency. Air dryers remove this moisture to ensure reliability. Refrigerated dryers are sufficient for standard requirements, while desiccant dryers are required when ultra-dry air is needed for high-purity oxygen applications.
AIR RECEIVER TANK
Compressed air exiting the compressor has pressure pulsations. An air receiver tank is installed to buffer these pulsations before the air enters the oxygen generator. Moisture collected in the receiver is automatically drained through an Auto Drain Valve.
OIL AND WATER SEPARATOR: CONDENSATE TREATMENT
The compressed air system produces condensate containing oil and water. An oil-water separator treats this condensate, ensuring compliance with environmental regulations while maintaining system efficiency and sustainability.
FILTRATION FOR GAS PURITY
Air filtration ensures contaminants are removed before the air reaches the oxygen generator. Coalescing filters remove oil and water aerosols, particulate filters capture fine particles, and activated carbon filters eliminate hydrocarbon vapors. This multi-stage filtration ensures the delivery of clean, high-quality oxygen gas.
OXYGEN GENERATOR: THE CORE COMPONENT
The oxygen generator is the heart of the system, where oxygen is separated from compressed air. Two main technologies are commonly used:
- Pressure Swing Adsorption (PSA): Uses zeolite molecular sieves to selectively adsorb nitrogen from compressed air, leaving oxygen. PSA systems are well-suited for high-purity oxygen applications, typically up to 96%.
- Vacuum Pressure Swing Adsorption (VPSA): Operates at lower pressures with higher efficiency for large-scale oxygen production.
OXYGEN RECEIVER TANKS: ENSURING STEADY SUPPLY
Oxygen generating systems typically include two storage tanks:
- Air Receiver Tank: Buffers fluctuations in compressed air demand and ensures consistent feed to the oxygen generator.
- Oxygen Receiver Tank: Stores generated oxygen and supplies a steady flow to downstream applications.
ADVANCED CONTROL SYSTEMS
Modern oxygen generators are equipped with control panels that monitor and manage operating parameters such as purity, pressure, and flow rate. PLCs and touchscreen interfaces allow automation, easy operation, and remote monitoring for added convenience.
PIPING AND VALVES: SEAMLESS INTEGRATION
High-quality piping and valves ensure efficient, leak-free distribution of oxygen gas. Using corrosion-resistant and medical-grade materials is especially important in healthcare and high-purity applications.
PRESSURE REGULATION
Pressure regulators maintain stable delivery pressure, protecting sensitive equipment and ensuring consistent oxygen supply for critical applications.
OXYGEN ANALYZER: ENSURING STANDARDS
Oxygen analyzers continuously measure purity levels to confirm compliance with industry or medical standards. This ensures the system delivers the required oxygen concentration for its intended application.
OPTIONAL ACCESSORIES
Optional features can enhance performance and monitoring, such as:
- Oxygen flow meters to track consumption
- Purity and pressure alarms for safety
- Remote monitoring for real-time operational oversight
THE COMPLETE SOLUTION
Oxygen gas generating systems are sophisticated assemblies designed to reliably and efficiently deliver high-purity oxygen at the point of use. Each component plays an essential role, making it critical for businesses to understand how these systems function and how they can be tailored to their needs.
At Canada Gas Solutions, we specialize in designing and delivering oxygen gas generating systems tailored to meet the specific requirements of each customer. From selecting the right components to ensuring compliance with industry standards, we provide efficient, reliable, and sustainable oxygen generation solutions.
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