The developing process of drying technology of PVC resins in our country is stated briefly.The emphasis ison the technical process and the characteristics of windspout drying and the whirlwind drying.

• 简介了我国PVC树脂干燥技术发展过程,着重说明旋风干燥技术和旋流干燥技术两种工艺流程和特点。