氨分离器和冷凝塔液位自控一直是合成氨厂的“老大难”问题之一。近年来,许多工厂在这方面做了有益的工作,取得了可喜的进展。本文作者通过多年实践并总结了各地之成功经验,在文中提出了用好这两个液位自控系统必须解决的几个关键问题及其相应的解决方法。 Ammonia separator and condensing tower liquid level control has been the ammonia plant “one of the major difficulties ” one of the problems. In recent years, many factories have done useful work in this area and made encouraging progress. After years of practice and summarizes the successful experiences in various places, the author put forward several key problems that must be solved and the corresponding solutions to make good use of these two liquid level automatic control systems.