Nitrogen generator
Membrane nitrogen generator
Principle of Membrane
- Technique to separate nitrogen from compressed air and concentrate using a permeation speed difference in the membrane of gas.
- Gas separator is manufactured using mostly high polymer material and is applied after made into a module.
Membrane N₂ Generator characteristics
Membrane
- Nitrogen that meets the requirement of consumer is produced and provided by separating oxygen and nitrogen efficiently and economically by using gas separation construction membrane.
- Gas separator module manufactured by Koder Engineering Inc. is a cylindrical type and the material for module is aluminum and plastic.
Flow Diagram of Membrane
- Minimum Air Inlet Pressure : 0.7 MPa
- Nitrogen Outlet Pressure : 0.5MPa
- Operating Temperature : 24℃
PSA comparison table
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| MODEL | Membrane | PSA |
|---|---|---|
| Material | Hollow-Fiber | CMS |
| Life | 7 years | 10 years |
| Entrance pressure | 0.75 MPa | 0.75 MPa |
| Max. purity | 99 % | 99.999 % |
| Noise | 0 | 60 dB(A) |
| Capacity increase | Possible | Impossible |
| System Valve | Turn down Valve 1 unit | 8 ~ 12units |
| Capacity | small, medium, large | small, medium |
Membrane modue specification
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| Model | Nitrogen Product Flow Rate and Air Feed Required(l/min) | |||||
|---|---|---|---|---|---|---|
| Oxygen Density(%) | 0.5 | 1 | 2 | 3 | 5 | |
| KM-200 | Nitrogen | 1.8 | 2.6 | 3.7 | 5.2 | 7.4 |
| Air | 12.1 | 12.9 | 13.6 | 15.7 | 17.5 | |
| KM-300 | Nitrogen | 6.5 | 10 | 17 | 23 | 35 |
| Air | 49.5 | 52 | 62 | 69 | 83 | |
| KM-500 | Nitrogen | 29 | 42 | 59 | 83 | 118 |
| Air | 194 | 207 | 218 | 252 | 280 | |
Nitrogen Outlet Pressure : 0.5MPa
Minimum Air Inlet pressure : 0.7MPa
Operating Temperature : 25℃