论文部分内容阅读
“这是我们新安装的瓦斯抽放系统,功率比原来大多了,效果非常好。”面对一台台庞大设备,龙家堡煤矿安全副总工程师魏本祥对记者说。龙家堡煤矿是一座2007年投产、年产能300万吨的现代化煤矿。为做到安全生产,该矿不断加大资金投入、更新设备。据矿长孙远义介绍,仅去年就投入资金5640多万元,使采掘机械化进一步提升,特别是更新了地上地下两套瓦斯抽放系统,将原来抽放能力为每分钟50立方米更换
“This is our newly installed gas drainage system, the power is more than the original, the effect is very good. ” Faced with a large unit of equipment, Longxiang Fort coal mine safety chief engineer Wei Benxiang told reporters. Longjiabao Coal Mine is a modern coal mine that has been put into operation in 2007 and has an annual capacity of 3 million tons. In order to achieve safe production, the mine continued to increase capital investment, updating equipment. According to the introduction by the manager Sun Yuan-yi, only 56.4 million yuan was invested last year, which further enhanced the mechanization of mining. In particular, it updated two sets of underground gas drainage systems above ground and replaced the original drainage capacity of 50 cubic meters per minute