A new type of H2/N2 ratio control system has been designed for a synthetic ammonia plant where there are two different technological processes,using coal and petroleum to synthesize ammonia.

• 本文针对具有煤制氨系统和油制氨系统两条既相互独立，又相互关联工艺路线的合成氨装置，设计了一种新型H2／N2控制系统。