凤凰山矿业公司是20世纪70年代投产的铜矿,所使用的设备和技术来自瑞典。闸门放矿系统多采用机械式电动机减速牵引和气缸启闭闸门的方式,这2种方式存在噪声大、能耗高、驱动力小、维护复杂等缺点。针对此情况,该公司提出将供矿闸门气动系统改为液压系统。 Fenghuangshan Mining Company is a copper mine put into operation in the 1970s with the equipment and technology from Sweden. The gate release system uses mechanical motor deceleration traction and cylinder opening and closing gate way, there are two ways of noise, high energy consumption, small driving force, maintenance and other shortcomings. In view of this situation, the company proposed to change the mine gate pneumatic system to a hydraulic system.