论文部分内容阅读
张掖市选矿厂原来是张掖县铁厂的硫精砂浮选车间,1980年转产改为铜选厂。近几年来进行了三次大的技术改造,现已形成了两条铜、铅、锌矿石综合浮选生产线,日处理能力达到200吨。企业的生产能力由年处理3万吨,增加到6万吨。产品由一种增加为四种。工业总产值平均每年递增37.45％、利税每年递增22.23％。1987年底,固定资产原值已达300万元,是国家投资的4.12倍。
Zhangye City ore dressing plant was originally Zhangye Iron Sulfur concentrate flotation plant, converting into copper processing plant in 1980. In recent years, three major technological transformations have been carried out, and now two copper, lead and zinc ore flotation production lines have been formed with a daily processing capacity of 200 tons. The production capacity of enterprises from 30,000 tons by the year, increased to 60,000 tons. The product is increased from one to four. The average annual industrial output value increased by 37.45%, profits and taxes increased by 22.23% per annum. The end of 1987, the original value of fixed assets has reached 3000000 yuan, 4.12 times the national investment.