NEWTEK's Container Type Oxygen Generating System
Compact Design for Lower Space Requirement: The design and instrumentation of the system make it highly compact. It is assembled on skids and prefabricated in the factory. This modular approach not only simplifies transportation but also allows for easy installation in areas with limited space.
High Reliability: The system is highly reliable for continuous and steady operation, maintaining a constant oxygen purity. The plant availability time is consistently better than 93%.
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Working Principle
Most of NEWTEK's container type oxygen generating systems operate based on the Pressure Swing Adsorption (PSA) technology. In a PSA - based system, there are typically twin zeolite - filled adsorptive towers. Compressed air enters these towers. The zeolite molecular sieves have a strong affinity for nitrogen at room temperature.
As the compressed air passes through the molecular sieves in one tower, nitrogen is adsorbed, while oxygen, due to its smaller molecular structure, can more easily penetrate the sieves and is collected as the product gas. When the molecular sieve in one tower becomes saturated with nitrogen, the tower is depressurized to release the adsorbed nitrogen into the atmosphere. Meanwhile, the second tower starts the adsorption process, ensuring a continuous supply of oxygen. A Programmable Logic Controller (PLC) is used to precisely control the cyclic operation of the two towers, maintaining a stable oxygen output.
Equipment selection
| PSA Oxygen Plant Model Selection | |||||
| Models | Capacity (Nm3/hr) | Purity | Power consumption of 1Nm3 oxygen produced (kw/h) | Number of bottles filled in 12 hours (pcs) | Operator needed |
| NTK-P | 5 | 93%+-3% | 3.54 | 10 | 2 |
| NTK94-P | 10 | 94%+-1% | 2.52 | 20 | 2 |
| NTK95-P | 15 | 95%+-1% | 2.31 | 30 | 2 |
| NTK96-P | 20 | 96%+-1% | 2.13 | 40 | 2 |
| NTK97-P | 25 | 97%+-0.5% | 2.01 | 50 | 2 |
| NTK98-P | 30 | 98%+-0.5% | 2.09 | 60 | 2 |
| NTK99-P | 40 | 99%+-0.5% | 1.81 | 80 | 2 |
| NTK99-P | 50 | 99%+-0.5% | 1.94 | 100 | 2 |
| NTK99-P | 60 | 99%+-0.5% | 1.62 | 120 | 2 |
| NTK99-P | 80 | 99%+-0.5% | 1.92 | 160 | 2 |
| NTK99-P | 100 | 99%+-0.5% | 1.83 | 200 | 2 |
| Design basis: Altitude：≤500m;RH：≤80%;Temperature：0℃-38℃;Filling pressure: 150Bar 40L Type Standard Cylinder | |||||
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