Energy Efficeint Gypsum Calcinator

Salient Technical Features

The Calcinator comprises of a muffle furnace where in the charge is heated indirectly and agitated with a power stirrer. Temperature Control ensures uniform quality of end product. High Thermal efficiency 70-80%. Can be run on Coal/liquid fuels/gasesous fuels. Battery of basic modules, each of capacity 8 tpd (3 shifts) gives maximum calcination capacity of 30 tpd (e shifts ) of plaster of paris.

Application/Uses

Calcination of quarry gypsum, marine gypsum, phosphogypsum into plaster of paris of various grades for use in building, pottery, ceramic and surgical applications.

Level/Scale of Development : Commercial scale

Status of Commercialization : Licensed, Technology in production

Raw Mateials

Natural quarry gypsum or marine gypsum or phosphogypsum, coal or liquid fuel or gaseous fuel chemicals (retarder / accelerator)

Machinery/Equipment: Jaw crusher, hammer mill, calcinator, air blower and gas burner

Contact for more information

Research Planning & Business Development
Central Building Research Institute,
Roorkee- 247 667 (India)