Method and installation for producing multi-component cements

Details Method and installation for producing multi-component cements Method and installation for producing multi-component cements

C - Chemistry, Metallurgy

04

B

C04B 7/147 (2006.01) B02C 17/18 (2006.01) C04B 7/52 (2006.01)

Patent

CA 2701331

The invention relates to a method for producing multi-component cements, comprising the following steps: one component B of the multi-component cement is ground in a grinding mill MB; portland cement is ground as component A in a cement grinding installation MA; the mechanically discharged ground product of grinding mill MB is fed to the inlet of a dynamic classifier with a set separation cut; the portland cement is likewise fed to the inlet of the dynamic classifier and the coarse product from the dynamic classifier of the grinding installation MB is returned to the inlet of the grinding mill MB, whilst the fine product of the dynamic classifier forms the multi-component cement.

La présente invention concerne un procédé de fabrication de ciments à composants multiples. Il comprend les étapes suivantes : le broyage d'un composant B du ciment à composants multiples dans une installation de broyage MB; le broyage d'un ciment Portland dans une installation de broyage de ciment MA en tant que composant A; l'acheminement de la matière broyée de l'installation de broyage MB, évacuée par voie mécanique, vers l'entrée d'un séparateur dynamique comportant une coupe de séparation définie; l'acheminement du ciment Portland également vers l'entrée du séparateur dynamique de l'installation de broyage MB et le renvoi des grosses particules du séparateur dynamique de l'installation de broyage MB vers l'entrée de l'installation de broyage MB tandis que les particules fines du séparateur dynamique forment le ciment à composants multiples.

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