Cement-manufacturing plant and process for producing cement clinker

(22) 30.04.2021

(43) 10.10.2022

(57) Summary of the corresponding patent WO2021224129 (A1): The present invention relates to a cement-manufacturing plant (10) having – a preheater (12) for preheating raw meal, – a calciner (14) for calcining the preheated raw meal, – a kiln (16) with a kiln burner (28) for burning the raw meal to form cement clinker, wherein the kiln (16) has a combustion-gas inlet for letting a combustion gas with an oxygen content of 30% to 75% into the kiln (16), and – a cooler (18) for cooling the cement clinker, – wherein the calciner (14) and the kiln (16) respectively have at least one fuel inlet (20) for introducing at least one fuel into the calciner (14) and the kiln (16), wherein the calciner (14) and the kiln (16) respectively have at least one inertgas inlet (64, 68) for respectively letting inert gas into the calciner (14) and the kiln (16).

(71) thyssenkrupp Industrial Solutions AG (DE)