山东王村铝土矿是国家大型Ⅱ级矿山企业,年产耐火材料矿石20余万t。采用立井罐笼提升方式,每天大约有800多个矿车的提升量。但在罐笼提升过程中时有将矿车甩出罐笼的事故发生,严重威胁着矿山生产的安全,同时给该矿造成了重大经济损失。 Shandong Wangcun bauxite is a national large-scale mining enterprises Ⅱ, with an annual output of refractory ore more than 20 million t. The use of vertical cage cage upgrade, every day about 800 more than the amount of tub lift. However, there was an accident that the tub was thrown out of the cage during the process of cage lifting, which seriously threatened the safety of mine production and caused significant economic losses to the mine.