富钴结壳资源评价方法研究

来源期刊:中南大学学报(自然科学版)2011年第z2期

论文作者:卜文瑞 石学法 刘季花 杨耀民 任向文 崔迎春

文章页码:75 - 82

关键词:富钴结壳;资源评价;单位面积;矿块

Key words:cobalt-rich crusts; resource assessment; unit area; ore block

摘    要:提出以“单位面积”为基本评价单元,分“矿块”评价结壳资源的思路,认为各“矿块”和“单位面积”资源的评价是结壳勘探区圈定的核心基础。选择结壳丰度、金属品位、开采回收率、选矿回收率和金属冶炼回收率等作为主要评价指标,确定壳层厚度、矿石覆盖率、结壳含水率、结壳湿密度、海底坡度、开采成本、运输成本、选矿成本和冶炼成本等作为主要评价参数,并据此设计一套完整的结壳资源量计算与评价方法。认为结壳资源勘查应以结壳资源评价方法为指导,根据资源评价的需要选择适当的技术路线,采用资源评价所需的指标和参数。

Abstract: A cobalt-rich crust resource assessment frame was established using unit area as the basic resource assessment unit to assess ore block of cobalt-rich crust. The unit area resource assessment of each block is the foundation of ore area delineation. Crust abundance, metallic grade, recovery ratio of mining, recovery ratio of ore-dressing and recovery ratio of metallurgy were chosen as the main assessment indexes, and crust thickness, coverage rate, water ratio, wet density of crusts, seafloor gradient, cost of mining, cost of transportation, cost of ore-dressing and cost of metallurgy were chosen as the main assessment parameters, and a whole resource calculation method and resource assessment method were established. It is suggested that the cobalt-rich crust survey should be guided by the resource assessment to choose the proper technical route and adopt the assessment indexes and assessment parameters.

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