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1.大型采矿旧设备本溪钢铁公司南芬铁矿改造项目,1984年从美国进口大型采矿旧设备,合同总价为1706万美元。进口的这批矿山旧设备主要有电动轮汽车;电铲;平路机;推土机等,使本钢南芬铁矿技术改造取得了较好的经济效益,可以使现有年产能力从700万t,提高到1000万t;每年可以节约柴油2163t,每年获利3600万元,达产后二年内可收回全部投资。鞍山矿山公司从美国引进矿山旧设备,花外汇1200万美元。2.选矿半工业试验设备和技术1985年12月,包头钢铁公司从联邦德国引进选矿半工业试验设备和技术,合同总价为286.5万美元。该试验厂建成后对选矿的各项指标、最佳工艺流程的确定以及稀土等有用矿物的综合利用均能取得较好的技术经济效益。引进内容包括:工艺流程、工艺参数以及设备、仪表等,同时,引进了现场
1. Large-scale mining of old equipment Benxi Iron and Steel Company Nanfen iron ore project in 1984 from the United States to import large-scale mining equipment, the total contract price of 1706 million. Imports of these old mining equipment mainly electric wheel cars; shovels; road graders; bulldozers, so that Benfang Nanfen iron ore technology has achieved good economic returns, you can make the existing annual output capacity from 700 million t, increased to 10 million t; annual diesel oil can be saved 2163t, annual profit of 36 million yuan, up to two years after the full recovery of investment. Anshan Mining Company imported old equipment from the United States to spend 12 million U.S. dollars in foreign exchange. 2. Semi-industrial test equipment and technology for dressing In December 1985, Baotou Steel imported semi-industrial test equipment and technology from the Federal Republic of Germany at a total contract value of US $ 2.855 million. The pilot plant after the completion of the various indicators of the beneficiation, the determination of the best process and the comprehensive utilization of useful minerals such as rare earth can achieve better technical and economic benefits. The introduction includes: process, process parameters and equipment, instrumentation, etc. At the same time, the introduction of the scene