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How To Get Liquid Nitrogen

Edit: Henan Tianchi Instrument Equipment Co., Ltd    Date:2018-11-26
How to get liquid nitrogen? By compressing the air, cooling it, separating the air, and other gases, nitrogen is left.
Required equipment:
1. Air separation device composed of fractionation tower
2. LNG cold recovery unit
3. The air separation device is further provided with a main heat exchanger, a liquid oxygen heat exchanger and a liquid nitrogen liquid air subcooler;