Method of making foam materials, particularly foam cement...

B - Operations – Transporting – 28 – C

Patent

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Details

B28C 5/38 (2006.01) B01F 3/04 (2006.01) B01F 3/12 (2006.01) B01F 5/04 (2006.01) B01F 13/10 (2006.01)

Patent

CA 2322280

The invention relates to a method for producing foaming substances, especially foaming cement substances, consisting essentially of a starting product (A), especially cement paste, and a foaming agent (18). The inventive substances are produced in a mixing reactor (4) which is connected to a supply container (1) for the starting product (A) by a feed pump (3). A product flow (B) taken from the mixing reactor (4) is conveyed to the supply container (1) in a circuit, the foaming agent (18) and atmospheric air being added and said supply container (1) being kept at a minimum level. After a mixing phase, a sub-flow (C) is taken from the product flow (B) for processing.

L'invention concerne un procédé pour la production de matières moussantes, notamment de matières cimentaires moussantes, constituées essentiellement d'un produit de départ (A), notamment de pâte de ciment, et d'un agent moussant (18), dans un réacteur de mélange (4) se trouvant en communication, par l'intermédiaire d'une pompe de refoulement (3), avec un réservoir (1) destiné au produit de départ (A). Un flux de produit (B) prélevé dans le réacteur de mélange (4) est acheminé, avec apport de l'agent moussant (18) et d'air atmosphérique dans le circuit, au réservoir (1) maintenu à un niveau minimal, un flux partiel (C) étant prélevé, en vue du traitement, dans le flux de produit (B) après une phase de mélangeage.

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