Process and apparatus for manufacturing set cellular cement

Details Process and apparatus for manufacturing set cellular cement Process and apparatus for manufacturing set cellular cement

C - Chemistry, Metallurgy

04

B

C04B 38/10 (2006.01) B28C 5/12 (2006.01) B28C 5/38 (2006.01) C04B 28/14 (2006.01)

Patent

CA 2556584

The invention provides a process for manufacturing set cellular cement, comprising the steps of: (i) mixing cementitious material, water, foaming agent and optionally additives into a free flowing slurry having a slump of at least 100mm; subsequently (ii) injecting and distributing air into the slurry of step (i) to form a cellular slurry; subsequently (iii) casting said cellular slurry of step (ii); and finally allowing said cellular slurry to set. The invention also provides apparatus for carrying out the process of the invention.

L'invention concerne un procédé de fabrication de ciment cellulaire pris, consistant (i) à mélanger un matériau à base de ciment, de l'eau, un agent de moussage et d'éventuels additifs dans une pâte fluide présentant un affaissement d'au moins 100mm, puis (ii) à injecter et à distribuer de l'air dans la pâte obtenue dans l'étape (i) pour former une pâte cellulaire, (iii) à couler ladite pâte cellulaire obtenue dans l'étape (ii) et, enfin, à permettre à ladite pâte cellulaire de prendre. L'invention concerne également un appareil permettant de mettre en oeuvre le procédé de l'invention.

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