Ethylene Industry ›› 2024, Vol. 36 ›› Issue (3): 28-30.

Previous Articles     Next Articles

Problems in Start-up of Propylene Heat Pump System

Lyu Dingjun1.2, Ji Hongbing1,2.3   

  1. 1. Research Center for Hazardous Chemicals and Chemical Engineering Safety, Shenzhen Academy of Disaster Prevention and Reduction, Shenzhen, Guangdong, P.C. 518003; 2. Institute of Green Petroleum Processing and Light Hydrocarbon Conversion, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou, Zhejiang, P.C. 310014; 3. Fine Chemical Industry Research Institute, School of Chemistry, Sun Yat-sen University, Guangzhou, Guangdong, P.C. 510275
  • Received:2022-09-01 Revised:2024-08-05 Online:2024-09-25 Published:2024-09-29

Abstract:

During the start-up of an ethylene plant using propylene heat pump system, the components in the tower were disordered, the reboiler failed, the pressure difference between the reflux tank and the tower was insufficient, and the system heat could not be balanced. The causes of these problems were analyzed, and some improvement measures were put forward correspondingly, so as to ensure the safe and stable operation of the plant.

Key words: ethylene plant, propylene heat pump system, heat balance