Process for producing both steam power and cement clinker...

Details Process for producing both steam power and cement clinker... Process for producing both steam power and cement clinker...

C - Chemistry, Metallurgy

04

B

C04B 7/44 (2006.01) B01D 53/48 (2006.01) B01D 53/50 (2006.01) C04B 7/26 (2006.01) C04B 7/28 (2006.01) C04B 18/06 (2006.01)

Patent

CA 2228273

The invention relates to a process which produces heat while quickly calcinates cement clinkers or modified fly ashes in a boiler by coal powders, to quick-fired cement clinkers or modified quick-fired fly ashes produced by the process, cement products produced by the same, and an equipment which is used to carry out the process. The process according to the invention has the characteristic of quick calcination and quick cooling, so it makes the modified quick-fired cement clinkers/quick-fired fly ashes having an excellent hydraulic activity, which can be used to produce quality cement products.

L'invention concerne un procédé de calcination qui génère de la chaleur tout en produisant rapidement des clinkers de ciment ou des cendres volantes modifiées, dans une chaudière utilisant des poudres de charbon, des clinkers ou des cendres volantes modifiées produites par cette calcination rapide et un équipement servant à mettre en oeuvre le procédé. Le procédé, selon l'invention, est caractérisé par la mise en oeuvre d'une calcination rapide et d'un refroidissement rapide, qui permettent de produire des clinkers/cendres volantes modifiées, fournissant des ciments de qualité, en particulier excellent du point de vue des propriétés hydrauliques.

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