(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...
(22) 24.09.2023(43) 21.11.2023(57) The invention relates to the technical field of cement flue gas treatment, in particular to flue gas denitration equipment for a dry cement production line, which...
(22) 09.05.2023(43) 13.10.2023(57) The invention belongs to the field of building materials, and relates to a coal-saving sulfur-fixing agent for production of a rotary cement kiln. The coal-saving...
(22) 10.01.2023(43) 05.05.2023(57) The invention discloses a system and process for drying chlorine-containing powder dechlorination filter residues through low-temperature waste gas in a kiln head,...
