Jidong Cement has applied for a patent of multifunctional grinding aid for solid waste-based cementitious materials, which has multiple functions of grinding aid, early strength and excitation

According to the information of

the State Intellectual Property Office, Tangshan Jidong Cement Admixture Co., Ltd., Handan Jinyu Taihang Cement Co., Ltd., Qian'an Jinyu Shougang Environmental Protection Technology Co., Ltd., and Chengde Chengjin Environmental Protection Technology Co., Ltd. The publication number is CN122748962A, and the application date is July 2026. The

patent abstract shows that the application relates to the field of solid waste resource utilization and grinding AIDS, and specifically discloses a multifunctional grinding aid for solid waste-based cementing materials, and a preparation method and application thereof. The multifunctional grinding aid for the solid waste-based cementing material is characterized by comprising the following raw materials in parts by weight: 30-50 parts of active alcohol amine modified solid waste, 15-25 parts of an organic alcohol amine early strength component, 10-20 parts of calcined phosphogypsum, 10-15 parts of carbide slag, 10-15 parts of a salt excitation component and 5-10 parts of a dispersing assistant; The preparation method of the active alkylol amine modified solid waste comprises the following steps of: ball-milling a solid waste material to a particle size of 2-10mu m, heating to 80-90 deg C under a closed condition, introducing ethanolamine steam, and activating for 3-5 hours, wherein the solid waste material comprises fly ash, steel slag and slag in a mass ratio of 5:3:2. The grinding aid has multiple functions of grinding aid, early strength and excitation.