扬子石化塑料厂在对引进的日本三井油化PP装置进行消化、吸收的基础上 ,投资不到 0 .6亿元 ,研究开发出成套的釜式本体连续PP扩容技术 ,使装置的生产能力由 14 0kt/a扩大到 2 2 0kt/a ,装置运行稳定 ,周期延长 ,且能耗、物耗普通下降 ,一年产出的经济效益可达 1.75亿元扬子石化 Based on the digestion and absorption of imported Mitsui Petrochemical PP plants, Yangzi Petrochemical Plastic Factory invested less than RMB0.66 billion to research and develop a complete set of continuous PP expansion technologies for autoclave bodies, enabling the production capacity of the plant from 14 0kt / a expanded to 220kt / a, the device operates stably, the cycle is prolonged, and the energy consumption and material consumption are generally reduced. The economic benefit of one year’s output can reach 175 million Yuan.