Reasons for ammonia presence in the condenser tower

To be honest, at first glance I was a bit confused as well. It’s easy to understand why high liquid levels result in ammonia being present in the system; but as for low liquid levels and the presence of ammonia, after thinking about it carefully, I figured that when the liquid level is low, the temperature of the ammonia gas is relatively high, preventing the ammonia gas from condensing. As a result, more ammonia ends up entering the synthesis tower, increasing the ammonia content at the inlet and thus affecting the synthesis reaction.

Agree with the opinion above~ A high liquid level in the condenser is due to untimely ammonia release from the condenser; a low liquid level in the condenser is caused by insufficient ammonia addition to the ammonia cooler ···

It is generally uncommon for low liquid levels in the condenser tower to still result in liquid carryover. You heard about this; I’m not sure from whom you heard it. If the person who told you about this has seen such a situation, then they are likely someone who is willing to analyze the problem. Under normal, stable operating conditions, this does not occur. It might happen under the following circumstances: when the space velocity is high, when the condenser tower has not been in use for a long time (referring to the three-in-one type), and when there is an excess amount of nitrogen present. The reason is that the pressure difference in the condenser tower is higher than designed, and an excessive amount of nitrogen causes the liquid level to form vortices. The capacitive level gauge cannot reach the liquid level at the bottom of these vortices, and its resolution decreases in an environment with a mixture of gas and liquid. Usually, don’t share this; it will give you strength when you need it during the exam.