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Since 1987, MINNUO Group has been deeply involved in gas separation technology, focusing on the research and production of PSA nitrogen generation Plant for over 30 years. We have served more than 2000 systems globally. We provide nitrogen solutions with purity up to 99.9995%, with molecular sieves and core valves enjoying 10-year and 20-year warranties respectively, ensuring long-term stable operation of the Plant.
(1) Energy Efficient, Cost Reduction by 90%
(2) Dual Safety Assurance
(3) Fully Automated Operation
PLC intelligent control, one-click start/stop, self-diagnosis of faults; optional oxygen content analyzer (P950, core imported from Germany) for real-time purity monitoring.
(4) Flexible Adaptation, Fast Delivery
Provides customized designs such as containerized and skid-mounted systems, producing nitrogen in 10 minutes, ready for immediate use; standard models have a delivery cycle of only 4-6 weeks.
PSA (Pressure Swing Adsorption) technology uses compressed air as the raw material, leveraging the high adsorption characteristics of carbon molecular sieves for oxygen to achieve nitrogen-oxygen separation through a dual-tower cycle:
| Type | Applicable Scenarios | Characteristics |
|---|---|---|
| Skid-mounted | Small to medium flow demand (≤1000 Nm³/h) | Plug-and-play, small footprint, suitable for factory workshops, mines, etc. |
| Containerized | Medium to high flow demand (≤5000 Nm³/h) | Integrated in 20/40-foot standard containers, easy to transport, suitable for remote areas. |
| Explosion-proof | Chemical, oil and gas hazardous environments | Complies with ATEX explosion-proof certification, ensuring safety in flammable environments. |
| Mobile | Temporary operations or emergency nitrogen supply | Vehicle-mounted design, rapid deployment, suitable for oil field exploration, emergency repairs. |
Pipeline purging, reactor protection, tank nitrogen sealing.
Nitrogen filling packaging, sterile filling, extending shelf life.
Bright annealing, brazing protection, preventing oxidation and discoloration.
Semiconductor production, SMT welding, ensuring an oxygen-free environment.
Mine explosion prevention, coal dust silo inerting, enhancing safety.
PSA is suitable for small to medium flow (≤5000 Nm³/h) and 95%-99.9995% purity scenarios, with low energy consumption and fast start-up; cryogenic method is suitable for ultra-high purity (≥99.9999%) and large-scale liquid nitrogen production, with higher investment and maintenance costs.
Molecular sieves are replaced every 5-8 years, filter cartridges are replaced every 6-12 months, and the PLC system is maintenance-free. Lifetime technical support is provided.
Supports customization for 0.5-10 MPa pressure, with purity up to 99.9995%, requiring the configuration of boosters and multi-stage purification modules.
Standard models take 4-6 weeks, customized solutions take 8-12 weeks, and expedited orders can be shortened to 3 weeks.
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