(22) 01.12.2023(43) 09.05.2024(57) Method for grinding a solid in a vertical roller mill (VRM) and a cement composition prepared by the disclosed methods. A method comprises grinding a solid...
(22) 25.11.2022(43) 29.05.2024(57) Method for calcining clay comprising the steps of providing a clay raw material with an iron content of at least 2 wt.-%, calculated as Fe203 on a loss on ignition...
(22) 14.10.2022(43) 22.05.2024(57) A method for manufacturing gypsum containing a high content of one or more of hemihydrate gypsum, dihydrate gypsum, and anhydrous gypsum using an oxidation reaction...
(22) 01.02.2022(43) 14.05.2024(57) The invention relates to a method for controlling a chemical clinker quality in a cement factory, said method comprises the steps of measuring a temperature in a...
(22) 01.02.2024(43) 08.03.2024(57) The invention relates to a cement fineness screening device for engineering detection, and relates to the technical field of engineering detection, the cement...
(22) 19.01.2024(43) 23.02.2024(57) The invention discloses a closed belt conveying device for cement raw materials, and relates to the technical field of cement raw material conveying.Comprising a...
(22) 03.10.2023(43) 06.02.2024(57) The invention discloses a chromiumreducing admixture for sintering cement clinker in a rotary kiln and a method. The chromium-reducing admixture comprises the...
(22) 25.10.2023(43) 26.01.2024(57) The invention relates to a power plant coal slag resource utilization method, which belongs to the technical field of solid waste resource utilization, and comprises...
(22) 26.09.2023(43) 12.01.2024(57) The invention provides a method for preparing an alpha-type semi-hydrated gypsum seed crystal by using natural gypsum, which is characterized by comprising the...
