氧化锌矿石浮选研究进展

Research Status of Zinc Oxide Ore Flotation

我国氧化锌矿资源丰富,但矿石性质复杂,含泥量大,可溶性盐多,选别指标一直不理想。为了较全面地了解近年来选矿工作者在氧化锌矿石选矿领域的研究进展,从氧化锌矿浮选工艺流程、浮选药剂、金属离子的影响及强化硫化等方面进行了综合评述。指出影响我国氧化锌矿浮选的主要问题是矿泥和难免离子,对矿泥和难免离子不敏感新型药剂的研发仍然是提高氧化锌矿选别指标的主要途径。此外,高强度混合调浆设备、新型高效脱泥装置以及适用于微细粒矿物浮选的大型多流态静态化浮选设备的开发也需要得到足够的关注;重选—浮选和选冶等联合工艺流程是处理复杂氧化锌矿的重要方法;借助交叉学科和先进的分析检测手段开展氧化锌矿的基础理论研究,揭示矿泥分散聚集特性,探索离子迁移规律等,将成为氧化锌矿石浮选研究的热点和趋势。

The zinc oxide mineral resources are abundant in China. But the ore is complex in nature, containing a large amount of slime and many soluble salts, beneficiation results is unsatisfactory. In order to comprehensively understand the research progress of mineral processing workers in the field of zinc oxide ore processing in recent years, a comprehensive review was made from the aspects of zinc oxide ore flotation technology, flotation reagent, the influence of metal ions and strengthening sulfurization.It was pointed out that the main problems affecting the flotation of zinc oxide ore in China are the slime and inevitable ions. The development of new agents that are insensitive to slime and inevitably ion is still the main research and development way to improve the separation index of zinc oxide ore. In addition, the development of high-intensity pulp mixing equipment, new high-efficiency desliming equipment and large-scale multi-flow static flotation equipment suitable for flotation of fine-grained minerals also requires sufficient attention. The combined process of gravity-flotation separation and beneficiation-metallurgy is important method for complex zinc oxide ore processing. Conducting basic theoretical research on zinc oxide ore by means of interdisciplinary and advanced analytical testing, revealing the characteristics of dispersed and aggregated slime, and exploring the law of ion migration, which will become the study of zinc oxide flotation hot soots and trends.