Application Research and Practice of XRT Intelligent Preselection and Waste Disposal Technology in China
Ore resources in China are generally poor endowment and high mineral processing cost,but the mineral pro-cessing technology and equipment research and development level are high.In order to promote the efficient bulk presorting e-quipment,XRT intelligent separator,which has made major breakthroughs in recent years,to better serve the mine,improve the productivity level and economic benefits of the mine,and build a green ecological mine,the system composition and separation principle of the XRT intelligent separator,the applicability and requirements of the process technology,the characteristics and advantages of the process technology and equipment are briefly introduced.The research and production practice of XRT intelli-gent preselection and waste disposal in representative mines are introduced according to the classification of mineral species.The experimental research and production practice showed that the XRT intelligent separator has a wide range of adaptability to mineral species,and has the characteristics of objective,scientific,accurate,intelligent,energy saving,environmental protection and so on.It could take both sides of efficient comprehensive recovery of two or more target minerals or elements.The applica-tion process is simple,and the impact and interference to the field crushing process are small.The selected particle size is coarse,which is highly consistent with the concept of early throwing and early recovering as far as possible.It has significant significance in expanding energy,reducing cost and improving quality for the development of thin,small,marginal,residual and lean ore resources.Seven suggestions on the development and process technonlogy application of the XRT intelligent separator are given:solving the problem of sorting particle size to expand up and down and sorting efficiency,reliability,stability and process adaptability,so as to achieve the goal of more throwing and more recovering;Solving the problem of large-scale and se-rialization of equipment to reduce investment and production costs,and facilitate on-site configuration and production manage-ment;Conducting research and development of three products XRT intelligent separator,creating conditions for the subsequent development of efficient mineral processing technology and product solutions;Establishing comprehensive and scientific criteria of mine waste determination for maximizing the benefit of resources;Supporting and working together with ore selective crushing technology to jointly develop and creating better conditions for preselection;Making scientifically efficient waste disposal tech-nology inclusive of other pre-selected waste disposal technology,so that the waste disposal more thorough,process more concise and smooth,technical and economic indicators better;Demonstrating the science of waste rock washing technology instead of screening and washing technology or feeding and washing technology,so that the whole system process is simpler,the produc-tion environment is cleaner,and the investment and production cost are lower.Finally,it is pointed out that in addition to mag-netite ores,the application of the progressive XRT intelligent preseparation and waste disposal technology for other iron ore and non-metallic ores coarse-grained pre-selection discarding should be the general trend.
XRT intelligent separatorwaste in-ore ratethrowing early and morerecovering early and morecomprehen-sive utilizationcost reducing-efficiency increasing and quality improvinggreen mine
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