May I ask: is the nitrogen that condenses and liquefies as it rises to the main cooler from the air coming out of the lower column, all of the nitrogen contained in the total amount of air exiting that lower column?
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May I ask: Is the nitrogen that condenses and liquefies as it rises to the main cooler from the air coming out of the lower column equal to all the nitrogen contained in the total amount of air from that column? Is it 78% of the total amount of air in that column? What is the exact percentage? Ignoring the nitrogen that goes to the bottom of the argon purification column, I seek an expert’s answer
Note that some medium-pressure nitrogen (~0.45 Mpa) is drawn off at the lower tower~~; therefore, the amount of nitrogen in the liquid air is less than that in the air~~
What the elder brother is asking is how much nitrogen is used to enter the main cooler for heat exchange and condensation