论文部分内容阅读
事故案例分析一(一)事故案例某乡办煤矿设计年产量3万吨,实际年产量6万吨。立井开拓,中央边界式通风。该矿矿长和特种作业人员无证上岗,工作中,“三违”现象严重,没有班前会和交接班制度,井下作业任务和人员安排没有统一布置和记录。该矿井下物料及灭火器材存放混乱,一贯使用煤面和煤块封堵炮孔,用电缆明接头放炮的现象时有发生。该矿煤尘具有爆炸性。井下没有防尘洒水设施,也没有按照《乡镇煤矿安全规程》采取防尘措施,造成井下煤尘积存。某年某月某日早8时30分停电后,使用柴油发电机向井下送电。由于电力不足,北翼工作面及南翼工作面轮流生产。14时班其下井72人,南翼工作面工人下井后,打眼放第一炮后小煤。15时30分左右开水泵,停南翼电,当时主扇风机和
Accident Case Analysis (a) accident case A township coal mine design annual output of 30,000 tons, the actual annual output of 60,000 tons. Shaft development, the central boundary-style ventilation. The mine superintendent and special operations personnel without a license, in their work, “three violations” serious, there is no class before the shift and shift system, downhole operations tasks and staff arrangements are not unified layout and record. The mine material and fire fighting equipment storage confusion, and coal blocks have been used to block the hole, the phenomenon of blasting with a cable connector has occurred. The mine dust is explosive. No dust sprinkler downhole facilities, nor in accordance with “township coal mine safety regulations” to take dust prevention measures, resulting in underground coal dust accumulation. A certain day of a certain day as early as 8:30 after the blackout, the use of diesel generators to the underground power transmission. Due to lack of electricity, the North Face and the South Wing face rotate production. At 14 o’clock, they went down to 72 people. After the workers at the south wing went down, they put their eyes on the small coal after the first shot. At about 15:30, the pump was turned on and the southern wing was stopped. At that time, the main fan and the fan were on