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I’m seeking help from experts: Why does gaseous ammonia in the ammonia evaporator contain liquid ammonia?

2022-05-24View Original

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The liquid level control for the ammonia evaporator is set at 55%, with a control pressure of around -30 Kpa; in this condition ammonia leakage occurs. When the liquid level drops below 48%, the ammonia leakage significantly decreases. Ammonia liquid is added to the side of the heat exchange tubes – why does this phenomenon occur? What is the principle behind this? A liquid level of 55% is not actually high; does boiling occur inside the ammonia-cooled system? How are the heating section, evaporation section, and superheating section determined in the ammonia evaporator?

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Translated at 2026-07-23 17:25:58

Original: https://bbs.hcbbs.com/thread-3346131-1-1.html

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