The electricity of coal mine mainpumpingequipment consuming constilute important statute, its economic operation has important effects to mine production costs.
矿井排水设备消耗的电能占矿井总耗能量的比重很大，其运行经济性对矿井生产成本具有重要影响。
2
Unreasonable selection of pump type and improper combination operation are the main causes of low efficiency and energy consuming of intake pumping station equipment.