Grinding and calcining of gypsum with Pfeiffer grinding plants
For the production of plaster products with b hemihydrate, Gebr. Pfeiffer SE offers various ma chines and processes. One option is direct calcining in a Pfeiffer vertical roller mill of the type MPSGC (Fig. 2). In this process, the gypsum is dried and ground to the required fineness of the plaster in the mill.