摘要
介绍大型氨厂普里森氢回收装置投运前后存在的问题及对策；综述了深冷氢回收装置的流程、工艺特点及变压吸附氢回收技术的应用情况；讨论了氢回收装置的发展前景，并作了评价，提出进一步回收弛放气中氢气的方法．
The Paper bears on the problems appearing before and after the Prism hydrogen recovery set of large ammonia plant was put into operation and deals with the solving measures. It summarizes the nowsheet and process features of cryogenic hydrogen recovery and the application of PSA to hydrogen recovery, discusses and evaluates their development prospect, and suggests the purther recovery method of hydrogen in purge gases.
关键词
大型
氢回收装置
合成氨厂
Large ammonia plant, Hydrogen recovery device, Prism, Cryogenic separation, Pressureswing absorption, Purge gas, Evaluation
