关键词: 矿井设计, 开采系统, “三保二”系统

Abstract:

A scientific and rational mining system is very important to the coal mine construction and production. The SongHe mine in Guizhou has complex geological condition and large hazard. The mine has the danger of coal and gas outburst,spontaneous combustion coal and coal dust explosion,the roof and floor stability of coal seam also complex.Besides, the shallow mine goaf area still threatened by water hazard. To ensure keeping the mine operation stable and normal replacement for long term, mine use of "three guarantees two" approach which uses three sets of roadway systems to ensure that the two mining areas, two mining face (No. 1031,2031) extraction, digging, mining balance. The scientific of the mining system is to ensure the production of coal mine more flexible and reliable, roadway excavation and gas control has more space,more time, and improve mine construction, production safety and ability to resist risks. For other coal mines which has similar conditions with SongHe mine , the research result can provide reference to its design ,construction and production.

Key words: Mine design, Mining system, "Three Guarantees Two", Production System