Case analysis of major meteorological disasters, mine tailings dam, 2008 September 8, Xiangfen County, Linfen City, Shanxi Province, the new tower Mines Ltd. Tower Hill iron ore tailings children due to flash floods, resulting in significant storage capacity exceeding dam The tailings sand loss is about 2× ^{10 6} m3, the flow length is 2 km, the maximum width is 300 m, and the mud area is 30.2 hectares, resulting in 277 deaths, 34 injuries, and 1047 people affected by the dam failure. The party and the state attached great importance to it. The State Council promptly set up an accident investigation team to rush to the Shanxi incident site to conduct a number of investigations. It was agreed that the main reason for the dam break was: illegal and illegal production and construction of the Ta'ershan iron mine, and hidden dangers After passing through the scene, the safety rectification instructions were not implemented, and the supervision and management of the relevant departments of the local government were not effective.

Construction Hoist Safety Device

Safety is one of the most important for Construction Hoist, thus the Construction Hoist Safety Device is required. SAJ safety device is a product of BQ. When a cage over-speeds the device should act cut off the power stop the cage on mast gradually. The safety device is adjusted and sealed. Do not disassemble it. The using time limit of safety device are signed on it`s nameplate. Safety device must be delivered to the factory and inspected after it reached to time limit.