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采用先进技术和装备对老选厂不断进行技术改造,是国外发展铁矿石选矿工业的一条重要经验。国外现有的铁矿石选厂多数是在五、六十年代投产的。早期建成的选矿厂投产后一般都经历了技术改造的过程。特别是近年来选矿工业界面临一些新的难题,选厂改造更势在必行。
The use of advanced technology and equipment to constantly carry out technological transformation of the old selected plant, is an important experience in foreign iron ore beneficiation industry. Most of the existing foreign iron ore processing plants are put into operation in the 1950s and 1960s. After the early completion of the dressing plant put into operation generally experienced the process of technological transformation. Especially in recent years, dressing industry is facing some new problems, dressing plant transformation is imperative.