What does a high pressure in the upper column of the internal compression air separation unit at Hangyang Oxygen indicate?
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What does high pressure in the upper tower indicate, and what are its effects?
It indicates that you did not control things properly in accordance with the operating procedures. If it is caused by external factors, pressure should be maintained and released promptly; if it is an internal issue, appropriate action must be taken immediately. Usually, many events have precursors in advance.
What is the design pressure, and what is the actual operating pressure?
Could the original poster provide more detailed information on the relevant parameters? That would make it easier to consider
If the pressure at the top of the tower is high, nitrogen plugging is likely to occur