节约能源是国民经济调整中很重要的环节。要解决好能源不足,切实作好矿山节能工作,必须依靠矿山开采技术的进步和科学化的管理。 众所周知,开发矿业需要消耗大量能源。据美国商业部1977年对金属采矿业耗能统计,其中采矿工业占总能消耗7％,能源费用在矿石生产成本中所占的比例平均为10％左右。对露天矿开采来说,相对于地下开采能 Energy conservation is a very important link in the adjustment of the national economy. To solve the energy shortage, and earnestly make energy-saving work in mines, we must rely on the progress of mining technology and scientific management. As we all know, developing mining needs to consume a lot of energy. According to the statistics of the United States Department of Commerce on the energy consumption of the metal mining industry in 1977, the mining industry accounted for 7% of the total energy consumption, and the average energy cost accounted for about 10% of the ore production cost. For open pit mining, it can be compared to underground mining