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中文摘要：
泌水特性综合反映了尾矿均匀、离析、沉淀等性能，是影响尾矿浓密、膏体泵送的重要因素.对尾矿膏体处置与应用研究具有指导意义。采用细粒全尾矿进行单因素实验，考察不同浓度下泌水率与时间的关系；采用均匀设计法，建立浓度以及不同粒级组成的5因素8水平实验方案，对不同粒级组成细粒尾矿泌水性进行研究。实验结果表明，泌水率与浓度、细颗粒含量负相关，与泌水时间、粗颗粒含量正相关，不同级配对泌水率影响因素重要性从大到小依次为：粗粒径（＋120目）、细粒径（-200目）、中间粒径（-120～＋200目）。实验结论可为工程应用提供理论依据。
英文摘要：
Bleeding features comprehensively reflect tailings characteristics of uniform, segregation, precipitation etc., and they are the important factor influencing the tailings thickening and paste pumping. Therefore, they are of instructional significance for the tailings paste disposal. First, the single factor experiment with the fine grained railings is used to inspect the relationship between the bleeding rate and time with different concentrations; then, with uniform design method, different experimental plans about concentration and different particle composition of five factors-eight levels are established, and the bleeding performances of different grain uhrafine tailings are studied. Experifollows： the coarse particles （ ＋ 120 mesh）, the fine particles （ -200 mesh） and the middle particles （ - 120 - ＋ 200 mesh）. Experimental results can provide theoretical references for the engineering application.
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