METHOD OF OPERATING A DRIER FOR POWDERED, GRANULATED AND POURABLE MATERIALS AND A DRIER OPERATING IN ACCORDANCE WITH THE METHOD

摘要

In the method and apparatus of the dryer for powdered, granular and flowable materials, the dry air flow enters the bottom region of the hopper dryer and rises through the material to be dried to remove moisture from the material. In order to reduce the cost of preparing the dry air flow, the dry air flow is obtained from the outlet of the blow molding process, the stretch blow molding process or another plastic molding process according to the invention.