Hangzhou Hangyang Cryogenic Liquefaction Equipment Co., Ltd
Hangzhou Hangyang Cryogenic Liquefaction Equipment Co., Ltd Become a World-class Air Separation Unit And Gas Operation's Specialist.
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Cryogenic Air Separation Plant 50/2500 (Nm3/h) KDON-50GOX/2500GAN Electronic Gas
Specifications:
Cryogenic Air Separation Plant KDON 50~200 Nm3/h GOX
MODEL CONTENTS | KDON-80/150 | KDON-100/150 | KDON-100/300 | KDON-170/350 | KDON-200/100Y/25Y | |
GAN/LIN flow | Nm3/h | 150 | 150 | 300 | 350 | 300/25 |
GAN/LIN purity | ppm | ≤10ppmO2 | ≤10ppmO2 | ≤10ppmO2 | ≤10ppmO2 | ≤10ppmO2 |
GOX/LOX flow | Nm3/h | 80 | 100 | 100 | 170 | 200/100 |
GOX/LOX purity | ppm | 99.6% O2 | 99.6% O2 | 99.6% O2 | 99.6% O2 | 99.6%/99.7% |
GAN/LIN pressure | MPa | 0.01 | 0.01 | 0.01 | 0.01 | 0.02/0.25 |
GOX/LOX pressure | MPa | 0.034 | 0.034 | 0.034 | 0.034 | 0.03/0.12 |
Typical Product: KDON 50/2500 Air Separation Plant
Output, purity and pressure
| Flow (Nm3/h) | Purity | Pressure MPa(G) |
GAN/LIN | 2500 | ≥99.99%N2 | 0.8 |
GOX/LOX | 50 | ≥99.6%O2 | 0.025 |
Description:
◆ The process is that air is purified by molecular sieve and refrigerated by boosting turbine expander; fractionating column is sieve trays column.
◆ Air filter AF purifies air, and compressor compresses air. Air precooling system reduces temperature of air.
◆ Molecular sieve adsorber adsorbes moisture, CO2, C2H2.
◆ The purified air is divided into three streams:
One stream is fed out to be instrument air;
Another stream enters main heat exchanger (E1) to be cooled to the saturated temperature by reflux gas and then enters nitrogen column (C1); the air keeps rising in the nitrogen column and being condensed to increase the nitrogen content, and the nitrogen will be obtained at the top. Part nitrogen will be sent to oxygen column to be as completion heat source of liquid oxygen evaporator.
The rest nitrogen is withdrawn as product, and then goes out of cold box after being rewarmed with main heat exchanger, and after being boosted to the required pressure of user with the boosting end of expander, it is fed into the nitrogen pipe network.
◆ The oxygen enriched liquid air at the bottom of nitrogen column goes into the liquid air subcooler to be subcooled, and then part liquid air to be throttled goes into the nitrogen column condensation evaporator. And the rest goes into the oxygen column as reflux liquid.
◆ The oxygen enriched liquid air is evaporated to be oxygen enriched air which is withdrawn from the top and goes into the main heat exchanger to be rewarmed, and then it toes into the expander tor expansion refrigeration after being withdrawn from the middle of main heat exchanger.
◆ The expanded oxygen enriched air enters main heat exchanger to be rewarmed, and then goes out of cold box.
◆ The liquid oxygen will be obtained after the oxygen enriched liquid air is rectified in oxygen column. The liquid oxygen goes into the main heat exchanger to be rewarmed after being boosted with liquid oxygen pump, and then it goes out of cold box as product.
Applications:
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