低高程长距离充填输送管网参数及阻力研究  

Study on the Parameters and Resistance of Low-Elevation Long-Distance Backfilling Pipeline Network

作　　者：王海瑞[1] 李夕兵[1] 赵国彦[1] 

机构地区：[1]中南大学

出　　处：《金属矿山》2009年第10期77-80,共4页Metal Mine

基　　金：国家科技支撑计划课题(编号:2007BAAO8B01);国家自然科学基金项目(编号:50490274)

摘　　要：为了设计合理的低高程、长距离管道泵送输送系统，对开磷集团马路坪矿区的充填输送管道进行了选择，并对其阻力大小进行了理论研究。研究结果表明，选取20^#无缝钢管，外径140mm，壁厚9．5mm，在16MPa静压作用下完全满足充填料浆的输送要求；料浆质量浓度53％-58％，浆体流速1．6～2m／s，最大输送阻力2083．04～15368．53kPa。通过研究，为泵送系统提供合理的设计依据。To design a rational low-elevation long-distance pipeline pumping transport system, a theoretical study on the pipe resistance for the pipe selection for Maluping Mine, Kaiyang Phosphorus Mining Group were carried out. The result shows that the 20^# seamless steel pipe with an outside diameter of 140 mm and a wall thickness of 9.5 mm can fully satisfy the requirement for backfilling slurry transport at a 16 MPa hydrostatic pressure. The calculation show that the maximum transmission resistance will be 2 083.04 - 15 368.53 kPa for a slurry with a concentration of 53% - 58% and velocity of 1.6 - 2 m/s,providing a rational design basis for the pipeline pumping system.

关 键 词：低高程长距离 管网参数 沿程阻力 局部阻力 

分 类 号：TU47[建筑科学—结构工程] U178[建筑科学—土工工程]