Introduced the basic running instance of the urea medium pressure section in the urea plant of the Lanzhou Petrochemical Company, some constant problems was brought forward and we focused on the solutions to these problems so as to optimize the daily production.%介绍了兰州石化化肥厂尿素装置中压分解回收和氨冷凝系统日常运行的基本情况，提出一些生产中常见的问题，并对这些问题进行探讨，以求得到使装置的运行得到优化的一些方法。
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