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A platform for research: civil engineering, architecture and urbanism
Production process of anhydrite cementing material for building
The invention discloses a production process of an anhydrite cementing material for building, and belongs to the technical field of cementing material production, and the production process comprises the following steps: S1, adding anhydrite raw ore into a jaw crusher for crushing, then adding into a ball mill for coarse grinding to obtain anhydrite coarse powder, then adding the anhydrite coarse powder and cyanamide into deionized water, stirring and mixing to obtain slurry, adding the slurry into a wet grinding machine for fine grinding, and drying and dispersing to obtain anhydrite fine powder; s2, transferring the anhydrite fine powder into a rotary kiln, calcining, cooling to room temperature, scattering to obtain calcined modified anhydrite, adding a composite activator, slag and Portland cement clinker into the calcined modified anhydrite, and uniformly mixing to obtain an anhydrite cementing material for construction; through fine grinding and calcining treatment, the hydration activity of anhydrite in the cementing material is improved, so that the prepared anhydrite cementing material is high in hydration speed, uniform in hydration degree, high in strength after hydration hardening and good in volume stability.
本发明公开了一种建筑用硬石膏胶结料的生产工艺，属于胶结料生产技术领域，包括以下步骤：步骤S1、将硬石膏原矿加入颚式破碎机机中破碎至，再加入球磨机中粗磨得到硬石膏粗粉，然后将硬石膏粗粉和单氰胺加入去离子水中搅拌混合得到浆液，将浆液加入湿法研磨机中进行细磨，干燥打散后，得到硬石膏细粉；步骤S2、将硬石膏细粉转入回转窑中煅烧，冷却至室温后打散，得到煅烧改性硬石膏，向煅烧改性硬石膏中加入复合激发剂、矿渣和硅酸盐水泥熟料混合均匀，得到建筑用硬石膏胶结料；本发明通过细磨和煅烧处理，提高了胶结料中硬石膏的水化活性，使制得的硬石膏胶结料水化速度快、水化程度均匀，水化硬化后强度高、体积稳定性好。
Production process of anhydrite cementing material for building
The invention discloses a production process of an anhydrite cementing material for building, and belongs to the technical field of cementing material production, and the production process comprises the following steps: S1, adding anhydrite raw ore into a jaw crusher for crushing, then adding into a ball mill for coarse grinding to obtain anhydrite coarse powder, then adding the anhydrite coarse powder and cyanamide into deionized water, stirring and mixing to obtain slurry, adding the slurry into a wet grinding machine for fine grinding, and drying and dispersing to obtain anhydrite fine powder; s2, transferring the anhydrite fine powder into a rotary kiln, calcining, cooling to room temperature, scattering to obtain calcined modified anhydrite, adding a composite activator, slag and Portland cement clinker into the calcined modified anhydrite, and uniformly mixing to obtain an anhydrite cementing material for construction; through fine grinding and calcining treatment, the hydration activity of anhydrite in the cementing material is improved, so that the prepared anhydrite cementing material is high in hydration speed, uniform in hydration degree, high in strength after hydration hardening and good in volume stability.
本发明公开了一种建筑用硬石膏胶结料的生产工艺，属于胶结料生产技术领域，包括以下步骤：步骤S1、将硬石膏原矿加入颚式破碎机机中破碎至，再加入球磨机中粗磨得到硬石膏粗粉，然后将硬石膏粗粉和单氰胺加入去离子水中搅拌混合得到浆液，将浆液加入湿法研磨机中进行细磨，干燥打散后，得到硬石膏细粉；步骤S2、将硬石膏细粉转入回转窑中煅烧，冷却至室温后打散，得到煅烧改性硬石膏，向煅烧改性硬石膏中加入复合激发剂、矿渣和硅酸盐水泥熟料混合均匀，得到建筑用硬石膏胶结料；本发明通过细磨和煅烧处理，提高了胶结料中硬石膏的水化活性，使制得的硬石膏胶结料水化速度快、水化程度均匀，水化硬化后强度高、体积稳定性好。
Production process of anhydrite cementing material for building
一种建筑用硬石膏胶结料的生产工艺
LI XIANGFEI (author) / XU YUEMING (author) / ZHU LING (author) / ZHANG QINGLI (author) / QIAN YEJI (author) / QIAN YIQUN (author) / WANG YAN (author)
2023-12-12
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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