差异化粒径级配尾砂沉降试验数据

对山东黄金矿业（莱州）有限公司三山岛金矿的尾矿沉降性能进行了检验分析，检验分析结果如下：-200目20%尾砂自然沉降高度875cm,絮凝沉降高度150cm，底流浓度74.1%；-200目40%尾砂自然沉降高度885cm,絮凝沉降高度160cm，底流浓度71.6%；-200目60%尾砂自然沉降高度900cm,絮凝沉降高度205cm，底流浓度69.3%；-200目80%尾砂自然沉降高度940cm,絮凝沉降高度350cm，底流浓度66.2%；-200目100%尾砂自然沉降高度949cm,絮凝沉降高度470cm，底流浓度62.5%。满足课题指标要求。

The settling performance of tailings from Sanshandao Gold Mine, Shandong Gold Mining (Laizhou) Co., Ltd. was tested and analyzed, and the test results are as follows:
- 20% -200 mesh tailings sand: natural settling height 875 cm, flocculation settling height 150 cm, underflow concentration 74.1%;
- 40% -200 mesh tailings sand: natural settling height 885 cm, flocculation settling height 160 cm, underflow concentration 71.6%;
- 60% -200 mesh tailings sand: natural settling height 900 cm, flocculation settling height 205 cm, underflow concentration 69.3%;
- 80% -200 mesh tailings sand: natural settling height 940 cm, flocculation settling height 350 cm, underflow concentration 66.2%;
- 100% -200 mesh tailings sand: natural settling height 949 cm, flocculation settling height 470 cm, underflow concentration 62.5%.
This meets the requirements of the project indicators.