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南屯煤矿中央风井装备两套2K60-5№28型轴流式通风机,白马河风井装备两套2K60-4№24型轴流式通风机。由于2K60-4№24型通风机存在叶片结构设计和叶列系统布置等问题,在矿井运行中多次出现过支杆断裂事故,我矿为保证通风系统安全可靠地运行,对其进行了改进。1对动叶片的分析与改
Central air shaft Nantun Coal Mine equipped with two sets of 2K60-5№28 axial-flow fan, white horse river shaft equipped with two sets of 2K60-4 № 24-type axial fan. As the 2K60-4№24 ventilator has the problems of the blade structure design and the arrangement of the leaf system, it has occurred several times during the operation of the mine. In order to ensure the safe and reliable operation of the ventilation system, the mine improved it . A pair of moving blade analysis and change