The characteristics of internal heated boiling-bed drying units and high efficiency and energy saving stripping tower, which post treatment capacity of PVC resin was 100kt/ a, its corresponding advanced process and technology, and its developing application status were introduced. 介绍了PVC树脂后处理能力为10万t/a的高效节能汽提塔和内热式沸腾干燥床装置的特点和相应的先进工艺技术及开发应用情况。