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一、国外近年来选矿厂节能的主要经验近年来世界上能源紧张,价格上涨,企业中能源成本比重增加,节约能耗成为企业中的重要问题,选矿厂在矿山企业中能耗占很大的比重,而选矿厂电耗几乎占全选矿厂能耗90％以上。美国在1973年能源危机时曾对铜联合企
I. Major Experiences of Energy Saving in Ore Concentration Plants in Foreign Countries In recent years, the energy shortage and price increase in the world and the increase in the share of energy costs in enterprises have made energy conservation an important issue in enterprises. Mineral processing plants account for a large amount of energy consumption in mining enterprises Proportion, and concentrator power consumption accounted for almost all the energy consumption of more than 90% of mines. The United States had copper conglomerates in the 1973 energy crisis