EP 2 870 116 B1

Method and system for producing cement clinker from raw cement mixture

(22) 02.07.2013

(45) 17.05.2017

(57) The invention relates to a method for producing a cement clinker substitute which is made primarily from calcined clay, wherein at least two different clay raw materials are provided, from which a clay mixture is produced which is subsequently calcined to form the cement clinker substitute.

(71) thyssenkrupp Industrial Solutions AG, 45143 Essen (DE)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Issue 11/2019 EP 3 368 492 B1

Method for producing a cement clinker substitute which is made primarily of calcined clay

(22) 21.10.2016(43) 05.09.2018(45) 21.08.2019(57) Portlandzemente sind pulverförmige Produkte aus der Hauptkomponente Klinker (95 - 100 %) und Sulfatverbindungen als Erstarrungsregler (EN 197; CEM I)....

Issue 9/2015 US 2015/0183686 A1