Recently, Xingrui Company added four more intellectual property rights: the invention patent of a composite gypsum retarder and its preparation method written by Gao Dechao of the R&D center was authorized by the China National Intellectual Property Administration on March 24, 2023, with the patent number ZL202210444018.5; The utility model patent of Quick Coupler written by Zhou Liuwu of the Equipment Department of the Cleaning Business Department was authorized by the China National Intellectual Property Administration on March 7, 2023, with the patent number ZL202121930823.6; The papers "Chemical Cleaning Methods and Practices for Fluidized Bed Reactors in Acrylonitrile Plants" and "Exploration of Engineering Technology Management for Industrial Cleaning Service Enterprises" written by Yao Feifei from the Chemical Division were published in the January 2023 issue of Shanxi Chemical Industry and the February 2023 issue of Modern Industrial Economy and Informatization.
The invention patent for a composite gypsum retarder and its preparation method belongs to the field of gypsum building materials. Compared with other inorganic salt retarders, this invention has the advantages of long retarder time and small strength loss. Moreover, the retarder time does not undergo sudden changes due to changes in dosage, and the dosage is linearly related to the retarder time. The setting time of gypsum can be adjusted arbitrarily according to the operating time.
The utility model patent of "Quick connector" relates to a quick connector for cleaning water-cooled wall tube rows, belonging to the field of quick connectors. The structure of this utility model has the advantages of being simple and not easy to detach, not damaging the pipe mouth, and being convenient for installation and disassembly in small spaces.
Since its establishment, Xingrui Company has always regarded innovation as the driving force for enterprise development, continuously increasing investment in scientific research, focusing on the transformation and protection of research and development results, and continuously improving the quantity and quality of intellectual property rights. As of now, Xingrui Company has obtained 19 authorized invention patents, 30 utility model patents, and published more than 40 professional papers around its core products and technologies.