含蒙脱石的煤泥压滤脱水效果影响因素研究 .pdfVIP

学兔兔 煤 炭 工 程 2013年第1O期 doi：10．1 1799／ce201310034 含蒙脱石的煤泥压滤脱水效果影响因素研究 杨 颊 ，王辉锋 ，徐志强。 (1．潞安集团司马煤业公司，山西长治 047105；2．中国矿业大学化工学院，江苏徐州 221008) 3．中国矿业大学(北京)化学与环境工程学院，北京 100083) 摘 要：为了考察粒度和灰分对煤泥压滤脱水效果的影响，提出了两个表征压滤影响效果的 复合指标，研究了不同粒度的精煤与蒙脱石按不同比例配成的煤泥的压滤脱水效果。结果表明： 灰分和粒度对于煤泥脱水都有很大影响；建立了复合指标与滤饼水分的对应关系，可为选煤厂煤 泥压滤工艺的优化提供技术参考。 关键词：煤泥；粒度；灰分；压滤；蒙脱石 中图分类号：TD941 文献标识码：A 文章编号：1671—0959(2013)10~102-04 Study on Factors Affected to Pressure Filtration and Dewatering E仃ect of Slime with MontmoriUonite YANG Ting ，WANG Hui—feng ，XU Zhi—qiang (1．Sima Coal Mining Company，Luan Group，Changzhi 047105，China； 2．School of Chemical Engineering and Technology，China University of Mining and Technology，Xu~ou 221008，China； 3．School of Chemical and Environmental Engineering，China University of Mining and Technology (Beijing)，Beijing 100083，China) Abstract：In order to investigate the particle size and ash content affected to the pressure filtration and dewatering effect of the slime，a composite index of two characterized pressure filtration influence effects was provided and the pressure filtration and dewatering effect was studied with the slime prepared with the different percentage ratio of the different particle size clean coal and montmorillonite．The study results showed that the ash content and particle size would have hish influences to the dewatering the slime．A corresponding relationship between the composite index and the water content of