The successful experience with the technical innovation in hydrogen peroxide concentration section is introduced, and references in energy saving and cost reducing for the similar plants are provided.

The causes of the branch-pipes in the primary reformer of Zhongyuan Dahua Chemiacl Group were analysed in this paper, and the solutions were introduced.

This article introduces the running status of high-pressure washing water pump in synthetic ammonia plant in Zhongyuan Chemical Group. It also analyzes some problems and puts forward some measures.