Methods of and systems for preparing a heat resistant...

Details Methods of and systems for preparing a heat resistant... Methods of and systems for preparing a heat resistant...

C - Chemistry, Metallurgy

04

B

C04B 11/00 (2006.01)

Patent

CA 2602041

Methods and systems are provided for preparing a heat resistance accelerator (HRA) slurry. Also provided are methods and systems for introducing a HRA slurry to an aqueous dispersion of calcined gypsum in a discharge apparatus downstream of a stucco mixer in which the dispersion was prepared. These methods and systems are useful in the production of various gypsum products such as board including wallboard and ceiling tiles.

L~invention concerne des procédés et des systèmes destinés à préparer une boue accélératrice et résistante à la chaleur (HRA). L~invention concerne également des procédés et des systèmes pour introduire la boue HRA dans une dispersion aqueuse de gypse calciné dans un appareil d~évacuation en aval d~un mixeur de stuc dans lequel la dispersion a été préparée. Ces procédés et systèmes sont utiles dans la production de produits variés en gypse tels que des plaques, notamment des plaques murales et des dalles de plafond.

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