Why does a lower pressure in the nitrogen tower result in a lower temperature of the air entering the tower?

2020-06-13View Original

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Why does a lower pressure in the nitrogen tower result in a lower temperature of the air entering the tower?

Reply #22020-06-14

The question is quite technical; it would be better to explain it in simpler terms. During normal operation, the temperature of the air entering the tower is related to changes in atmospheric temperature and changes in compressor outlet pressure. As for how it relates to changes in the pressure entering the tower, further details are needed for reference.

Reply #32020-06-15

Can it be understood that when the pressure is low, the saturation temperature is low as well, and thus the temperature of the product in heat exchange with air is low?； The pressure is low; as a result, more product gas exits the tower, and there is more gas that exchanges heat with the air entering the tower.

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