Abstract： In order to solve the problem of coal slime accumulation in coal gangue dump of Huoshaopu Mine for many years and alleviate the stacking pressure of coal gangue dump, flotation technology was used to carry out deep separation of coal slime in coal gangue dump tailings pond. By analyzing the properties of coal slime, the existing coal slime in gangue hill was deeply separated by grading grinding and adopting the process flow of one roughing, three cleaning and three scavenging, which was fully recovered and reused. And 40 % of clean coal with ash content of 10 % and 60 % of tailings with ash content of 85 % were separated, which solved the coal slime accumulation of many years, improved the economic benefits of coal mining enterprises and reduced environmental pollution.
包庆林. 矸石山煤泥回收再利用工艺流程研究[J]. 煤炭与化工, 2024, 47(6): 128-131.
Bao Qinglin. Study on process flow of coal slime recovery and reuse in gangue hill. CCI, 2024, 47(6): 128-131.
