Abstract: In order to solve the problems in the equipment layout and piping design of catalyst preparation unit in polypropylene plant, the equipment layout is optimized from the perspectives of plane and elevation on the premise that relevant Chinese and foreign standards and codes are followed and the operation and maintenance requirements are met, and the design of major pipelines involved is discussed. The design experiences of the project are introduced, and the operation and maintenance requirements in equipment layout and piping design are illustrated in detail

Key words: polypropylene, catalyst preparation unit, equipment layout, piping design