Continuous calcining of finely ground gypsum

Details Continuous calcining of finely ground gypsum Continuous calcining of finely ground gypsum

C - Chemistry, Metallurgy

04

B

39/34, 39/52

C04B 11/02 (2006.01)

Patent

CA 1057493

CONTINUOUS CALCINING OF FINELY GROUND GYPSUM ABSTRACT OF THE DISCLOSURE Calcining finely ground gypsum by heating a continuously fed mass of gypsum in a kettle, maintaining the lower portion of the mass at about 155°C, and repeatedly discharging minor quantities from the bottom of the mass by a controlled repeated opening and closing of a plug in the kettle bottom portion.

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