This industrial nitrogen generation solution uses clean compressed air as raw material, with a PSA nitrogen generator as the core equipment, combined with a pretreatment system including an air compressor, refrigerated dryer, and precision filters. It utilizes the selective adsorption properties of carbon molecular sieves for oxygen and nitrogen to separate high-purity nitrogen from the air. This solution is an efficient, economical, and reliable on-site nitrogen generation method, capable of providing a continuous, stable, and adjustable-purity nitrogen supply according to the user’s specific needs.
- High Purity and High Stability: Utilizing advanced PSA technology, nitrogen purity can be flexibly adjusted and stably output within the range of 99% to 99.999%, meeting the stringent requirements of various industries.
- Modular Design: The core equipment features a compact structure, and the modular design makes installation, expansion, and maintenance simple and quick, saving floor space.
- Fully Automated Operation: Employing a PLC intelligent control system, it achieves one-button start/stop and fully automated operation, with real-time monitoring, fault alarms, and remote control functions. Operation is simple and unattended.
- Low Energy Consumption and Low Operating Costs: The PSA process has low energy consumption, and the raw material is inexhaustible air. Compared to purchasing liquid nitrogen or cylinder nitrogen, it significantly reduces long-term gas usage costs.
- Superior Quality of Key Components: Core components such as carbon molecular sieves and pneumatic valves are selected from well-known domestic and international brands, ensuring long equipment life and reliability.
Core Advantages: No heating required, operates at room temperature, safe and energy-efficient; fast gas production, producing qualified nitrogen within minutes of startup; purity and flow rate can be precisely controlled.
Air Compressor:
Core Advantages: Provides a continuous, stable, and sufficient source of compressed air, serving as the power foundation for the entire system. Utilizes a high-efficiency, energy-saving air compressor, reducing energy consumption at the source.
Refrigerated Dryer:
Core Advantages: Effectively removes most of the water vapor from compressed air, lowering the pressure dew point to 2-10℃, preventing icing and corrosion of subsequent pipelines and equipment, and protecting the PSA molecular sieve.
Precision Filter:
Core Advantages: Multi-stage filtration (e.g., oil removal, dust removal, and removal of micron-sized particles), deeply purifies compressed air, removing impurities such as oil and solid particles, ensuring clean air entering the PSA nitrogen generator, greatly extending the service life of the carbon molecular sieve, and guaranteeing nitrogen quality.
Synergistic Advantages: The organic integration of each equipment unit forms a complete and efficient air handling and nitrogen generation chain. The pretreatment equipment reduces the burden on the air compressor and protects the nitrogen generator, ultimately ensuring the high purity, high dryness, and high cleanliness of the gas source produced by the entire nitrogen generation system.
The entire solution boasts a clear and efficient process flow, with the following specific steps:
Air Compression: Ambient air is compressed by an air compressor to obtain compressed air with a certain pressure.
Air Cooling and Dehydration: The high-temperature, high-pressure compressed air enters a refrigerated dryer, where it is cooled to a dew point temperature of 2-10°C, causing most of the water vapor to condense into liquid water and be discharged.
Precision Air Filtration: The pre-dried compressed air then passes through a multi-stage precision filter to remove oil mist, liquid water droplets, and solid dust particles, resulting in clean, dry compressed air.
PSA Nitrogen-Oxygen Separation: The purified compressed air enters the adsorption tower of the PSA nitrogen generator. The carbon molecular sieves packed inside the tower preferentially adsorb oxygen, carbon dioxide, and water molecules, allowing nitrogen to pass through as the product gas. The system typically employs a dual-tower design, with one tower adsorbing and producing nitrogen while the other desorbs and regenerates, alternating in this cycle to achieve continuous production.
Nitrogen Output and Buffering: The produced nitrogen enters a nitrogen buffer tank to balance system pressure fluctuations and ensure stable output flow and pressure. If necessary, nitrogen can be further purified (e.g., by adding a nitrogen purification device) to obtain higher purity, or it can be directly delivered to the point of use.
Reach Out for Inquiries & Technical Support
For inquiries about our process gas compressors, custom solutions, or technical support, please fill out the form below or contact us directly.
