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我公司是一座集采、选和运为一体的大型联合企 业，年设计处理原矿石４００万ｔ，精矿产量１６１万ｔ，生产出的铁精矿经１０２．３ｋｍ的长距离管道系统送至太钢原料场。其尾矿通过４台φ３ｍ浓缩机两级浓缩达到约４４％的高浓度后自流进入油隔离京输送到尾矿库。 １问题提出
Our company is a large-scale conglomerate integrating mining, transportation and transportation. It designed and processed 4 million tons of raw ore and 1.61 million tons of concentrate annually. The iron ore concentrate produced by the long-distance pipeline system of 102.3km TISCO raw materials market. The tailings through 4 sets of φ3m thickener concentrated to about 44% of two high concentrations of gravity flow into the oil from Beijing to the tailings dam. 1 questions raised