China National Air Separation Engineering Co., Ltd.
China National Air Separation Engineering Co., Ltd.
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Products specifications at outlets of cold box
Note: Nm3/h means at the condition of 0℃, 1.013bar(A)
Liquid product Nm3/h data refers its gaseous state transferred
LOX case:
| Product | Output,Nm3/h | Purity | Pressure at cold box outlet/Temperature (℃) |
| LIQUID OXYGEN | 2,000 | 99.5% O2 | 1.5 bar(G)/ -179℃ |
| LIQUID NITROGEN | 150 | ≤5ppm O2 | 2.0 bar(G)/ -193℃ |
| LIQUID ARGON | 68 | ≤2ppm O2 ≤3ppm N2 | 1.6 bar(G)/ -182℃ |
Specific power consumption per Nm3/h of LO2+LN2+LAR products: 1.20Kwh/Nm3
LIN case:
| Product | Output,Nm3/h | Purity | Pressure at cold box outlet/Temperature (℃) |
| LIQUID OXYGEN | 350 | 99.5% O2 | 1.5 bar(G)/ -179℃ |
| LIQUID NITROGEN | 2,000 | ≤5ppm O2 | 2.0 bar(G)/ -193℃ |
| LIQUID ARGON | 40 | ≤2ppm O2 ≤3ppm N2 | 1.6 bar(G)/ -182℃ |
Specific power consumption per Nm3/h of LO2+LN2+LAR products: 1.15Kwh/Nm3
This Air Separation Plant adopts molecular sieve purification, turbo expander with booster, structured packing column (upper column, crude argon column, fine argon column), hydrogen-free argon extraction process.
The Air separation Plant is consists of feed air filtration and compression system, air pre-cooling system, molecular purification system, turbo expander with booster, rectification column system (cold box system), liquid products supply and storage system, instrumentation control & electrical control system etc.
