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双鸭山矿业集团公司东荣一矿于2008年2月23日发生了一起断绳坠罐事故。事故发生后,我们对事故发生的起因进行了分析。1 提升系统基本概况东荣一矿主井井口摇台轨面至马头门轨面深251.7m,井架平台距天轮中心27.5 m,天轮垂线距滚筒50m,井筒直径φ5.5 m,钢丝绳罐道,单绳单层双车罐笼,副罐钢丝绳规格18×7-31.0-1670,绞车滚筒直径φ3m,双钩提升。提升系统主要技术参数见表1。
Shuangyashan Mining Group Dongrong a mine on February 23, 2008 a broken rope accident occurred. After the accident, we analyzed the cause of the accident. A basic system to enhance the system Dongrong mine main shaft mouth rocking platform rail surface to Ma Tau door surface depth 251.7m, derrick platform from the center of the day wheel center 27.5 m, the day wheel perpendicular to the drum 50m, borehole diameter φ5.5 m, Rope cans Road, single-rope single-story double cage, the size of the auxiliary tank Rope 18 × 7-31.0-1670, winch drum diameter φ3m, double hook to enhance. The main technical parameters to enhance the system in Table 1.