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    • 10. 发明专利
    • Manufacturing method for portland cement
    • 波特兰水泥的制造方法
    • JP2003055008A
    • 2003-02-26
    • JP2001250710
    • 2001-08-21
    • Taiheiyo Cement Corp太平洋セメント株式会社
    • SUGAYA HIDEYUKI
    • C04B7/38C04B7/02C04B7/04C04B7/52C04B20/04
    • C04B20/04C04B7/02C04B20/026C04B22/143
    • PROBLEM TO BE SOLVED: To provide a manufacturing method for cement in which the productivity of a cement product and the like can be enhanced by reducing kneading time compared with that in conventional Portland cement and the cement wherein separation resistance is maintained and fluidity and viscosity are improved and which has satisfactory operability can be manufactured.
      SOLUTION: The manufacturing method for cement wherein Portland cement clinker and plaster are simultaneously crushed in a high temperature steam atmosphere is characterized in that the water content in the steam is 0.5-4.0% to the Portland cement clinker and the temperature of the steam is adjusted so that the cement just after crushing has 120-135°C.
      COPYRIGHT: (C)2003,JPO
    • 要解决的问题:提供一种水泥制造方法,其中与常规波特兰水泥和保持分离性的水泥相比,通过减少捏合时间可以提高水泥产品的生产率,并且流动性和粘度是 可以制造出具有令人满意的可操作性的改进方案。 解决方案:波特兰水泥熟料和石膏在高温蒸汽气氛中同时粉碎的水泥制造方法的特征在于,蒸汽中的水分含量为波特兰水泥熟料的0.5-4.0%,蒸汽的温度调节 使破碎后的水泥达到120-135℃。