粉体机械 翻译

GUO Xiang-kun1;FAN Run-hua2;ZOU Li-zhuang1（1.School of Chemical and Environmental Engineering;China University of Mining and Technology（Beijing）;Beijing 100083;China;2.Key Laboratory of Material Liquid Structure and Heredity;Ministry of Education;Shandong University;Jinan 250061;China）;

从非金属矿的粉体工业和超细粉碎与超细分级的角度阐述了2005年我国粉体技术的状况与进展;介绍了破碎机械、超细粉碎机械、磨机、分级机械、过滤机、干燥机、造粒机等粉体机械与设备的情况;以及碳酸钙、高岭土、膨润土、石墨、石英、长石、滑石、电气石、凹凸棒石等常用粉体产品的生产、改性、用途等方面的情况。
To study the effect of mechanical grinding on particle size distribution and strength of coal gangue-cement system different mechanical grinding schemes were adopted including: coal gangue ground independently to replace cement, coal gangue and cement mixed first then ground and coal gangue and cement ground independently then mixed ( the ratio between coal gangue and cement keeps 30 to 70). 采用了煤矸石单独粉磨后取代水泥、煤矸石与水泥混合后共同粉磨(先混后磨)、煤矸石与水泥分别单独粉磨后混合(先磨后混)(三者均按w(煤矸石):w(水泥)=30:70

    The mineral composite particles with rough surfaces and blunt edge angles, coated by nanometer calcium carbonate with a particle size range of 20～100 nm,were successfully prepared by a chemical method in Ca(OH)_2-H_2O-CO_2 system.     通过化学方法成功地实现了矿物粉体在Ca(OH)2 H2O CO2体系中的表面纳米化修饰,即在微米级重质碳酸钙、硅灰石粉体表面形核生成粒径均匀的纳米碳酸钙颗粒层。
         The surface characteristics of mineral fine powders will affect the reinforcement eff

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