The plaster of Paris is also called dehydrate gypsum, after a certain calcinations temperature heating, the dehydrate gypsum dehydrated into the products which is mainly composed with semi-dehydrated gypsum (CaSO4 · H2O)decomposition, which is building gypsum (called plaster), according to the different dehydration decomposition temperature and pressure condition, have the product of the system can be divided into α type super-strength gypsum powder and beta type construction plaster powder. Mechanization production building gypsum process basic is the same, its production process including: gypsum ore broken system, milling system, microcomputer automatic material feeding system, calcining system and dust collecting system and powder aging six system.
Broken equipment can choose Jaw crusher, hammer crusher etc: grinding machine can choose Raymond mill (R type), roller mill, ladder-shaped, etc.