Device and method for mixing a hydraulic binder and mineral...

B - Operations – Transporting – 01 – F

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B01F 7/08 (2006.01) B28B 19/00 (2006.01) B28C 5/14 (2006.01)

Patent

CA 2165428

The hydraulic binder and mineral materials are entrained by a helical element up to a mixing location and thereafter distributed in a pipe. The hydraulic binder and mineral materials are formed of a granular and of a pulverulent material fed by means of metering units into a tubular element surrounding the helical element, which in turn surrounds a tubular element for supplying a liquid. The invention is useful for coating a pipe with a composition, in particular a cement mortar.

Le liant hydraulique et les matériaux minéraux sont entraînés par un élément hélicoïdal (4) jusqu'à un emplacement de mélange (18) puis distribués dans un tuyau (11). Le liant hydraulique et les matériaux minéraux sont formés de grains et de matériau pulvérulent amenés par l'intermédiaire d'organes doseurs (12) dans un élément tubulaire (2) entourant l'élément hélicoïdal (4) lui-même entourant un élément tubulaire (3) d'amenée de liquide (5). Utilisation pour le revêtement de tuyau (11) par une composition (9), en particulier un mortier de ciment.

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