河南新密矿务局超化矿主井净直径4.5米,井深289米(含3米水窝),设计临时改装井筒装备如图1所示。为了使超化矿井当年实现四到底,两贯通,一改装的目标,三处党委要求改装期限为七天,争取五天完成。改装任务由河南煤炭基建公司第三建井处一工区机电队承担。井筒正式改装从84年12月27日开始,于85年1月1日结束。经试车验收正常投入运行。 Henan Xinmi Mining Bureau super-mine main shaft diameter of 4.5 meters, 289 meters deep (including 3 m water nest), the design of temporary conversion wellbore equipment shown in Figure 1. In order to make super-mine mine to achieve the end of the year, two through, a modified target, three party committees require modification deadline of seven days, for five days to complete. Refit the task by the Henan coal infrastructure company built the first mechanization of the mechanics and mechanics team. The formal conversion of wellbores began on December 27, 1984 and ended on January 1, 1985. The test run into normal operation.