(1. 北京科技大学 土木与资源工程学院，北京 100083；
2. 北京科技大学 顺德研究生院，佛山 528399；
3. 河南理工大学 土木工程学院，焦作 454000；
4. 山东理工大学 资源与环境工程学院，淄博 255000；
5. 北京科技大学 金属矿山高效开采与安全教育部重点实验室，北京 100083)
摘 要: 全尾砂料浆的高效和深度浓密是获得合格膏体浓度、决定膏体充填质量的关键。全尾砂高效絮凝是全尾砂料浆浓密的前提，全尾砂絮团的快速沉降决定全尾砂料浆浓密的效率，而全尾砂浓密床层的深度脱水决定全尾砂料浆浓密的效果。为此，本文对近20年来我国在全尾砂料浆浓密方面的研究方法和研究成果进行了分析与总结，详细分析了全尾砂絮凝行为及其动力学模型、全尾砂絮团沉降规律及其机理、全尾砂浓密床层深度脱水规律及其机理、深锥浓密机的耙架扭矩模型及关键结构参数设计，并对未来发展趋势进行了展望。
关键字: 膏体充填；全尾砂；絮凝；沉降；浓密；脱水
（1. School of Civil and Resource Engineering, University of Science and Technology Beijing, Beijing 100083, China;
2. Shunde Graduate School, University of Science and Technology Beijing, Foshan 528399, China;
3. School of Civil and Engineering, Henan Polytechnic University, Jiaozuo 454000, China;
4. College of Resources and Environmental Engineering, Shandong University of Technology, Zibo 255000, China;
5. Key Laboratory of High-Efficient Mining and Safety of Metal Mines of the Ministry of Education, University of Science and Technology Beijing, Beijing 100083, China）
Abstract:The high efficiency and deep thickening of full-tailings slurry is the key to obtain a qualified concentration of paste and satisfactory quality of cemented paste backfill. The efficient flocculation of full-tailings is the premise of full-tailings slurry thickening. The rapid settlement of full-tailings flocs determines the efficiency of full-tailings slurry thickening, and the deep dewatering of thickened full-tailings bed determines the effect of full-tailings slurry thickening. Therefore, this paper reviewed the research methodology and research results of full-tailings slurry thickening in China in recent 20 years, including the flocculation behavior of full-tailings and its kinetics model, the settling law of full-tailings floc and its mechanism, the dewatering law of thickened full-tailings bed and its mechanism, the torque model of rake of deep-cone thickener (DCT), and the design of key structural parameters of DCT were analyzed detailedly. Moreover, the future development trend was also discussed.
Key words: cemented paste backfill; full tailings; flocculation; settling; thickening; dewatering
