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本刊讯报道醴陵市马颈坳煤矿复采三年,连续实现安全年,老矿重显活力,初见成效。从2002年起,醴陵市马颈坳煤矿为开发利用老矿资源,重新启动复采。复采启动后,首先要完善的就是通风系统。经过三个月的突击修理,一条长220米、断面为2.9米的回风斜上山直通+310水平总回风井,北翼回
The report reported Lying City Ma Collie coal mines for three years, continuous safety years, the old mine vitality, initial success. Since 2002, the coal mine in Ma Neckau, Liling City, has started to re-mining for the development and utilization of old mine resources. Recovery start, the first thing to perfect is the ventilation system. After three months of assault repairs, a 220 m long, 2.9 m section of the air return slope oblique up through the total return air shaft level +310, the north wing back