This paper applies the pinch technology to analyze the flowsheet of a certain PVC system,thereafter,the bottleneck is found and an energy saving retrofit design is proposed and economically evaluated.

• 本文利用夹点技术对某聚氯乙烯流程进行了分析,找出了其能量利用不合理的环节,针对这些不合理的环节提出了节能改造方案,并对方案进行了技术经济评价。