介绍了泉店选煤厂重介质系统的实际生产情况,分析了介耗偏高的原因,阐述了主要影响介耗的磁铁矿粉管理、重介质分选系统工艺、磁选设备工况、生产管理等因素,并且从工艺、设备、管理等方面提出了降低介耗的措施,有效降低了选煤厂介耗。 The actual production situation of heavy medium system in Quandian Coal Preparation Plant was introduced. The reason of high dielectric loss was analyzed. The main influencing factors of the medium consumption were discussed, such as magnetite powder management, heavy medium separation system, working condition of magnetic separation equipment, Production management and other factors, and from the process, equipment, management and other aspects of the measures proposed to reduce consumption, effectively reducing the coal preparation plant consumption.