山东莱芜市有市属煤矿一处,社办煤矿11处,年产煤65万吨。近几年来,在市燃化局的领导下,狠抓整顿,消灭了明电明火放炮、明刀闸开关、自然通风、干打眼、独眼井、明电明火照明,促进了安全生产和经济效益的提高。 过去,这个市的小煤矿生产技术落后,建井无设计,开采无规程,设备简陋 There is a municipal coal mine in Laiwu City, Shandong Province. There are 11 coal mines in the city, with an annual output of 650,000 tons of coal. In recent years, under the leadership of the municipal bureau of combustion, pay close attention to rectification, eliminating the Ming Ming flames blasting, Ming knife switch, natural ventilation, dry eye, one-eyed wells, Mingming Minghuo lighting, and promote safety in production and economic benefits Improve. In the past, the city’s small coal production technology behind the construction of non-design, mining, no procedures, simple equipment