磁处理技术在矿物加工中的应用研究进展

阐述了磁处理技术的基本理论,磁处理技术在金属矿、非金属矿浮选和化学浸出中的应用,以及磁处理机理研究现状、发展趋势和存在的问题。磁处理技术由于其独特性质和广泛的应用前景,加强磁场与选矿技术的综合利用,对保护环境、节约能耗、回收资源、磁处理机理的形成和选矿技术的发展等具有重要意义。     

选矿中磁处理技术研究现状

阐述了磁处理技术在选矿中的应用及磁处理机理研究现状、发展趋势。分析了磁处理技术由于其特有的性质和广泛的应用前景,对提高有用矿物回收率、节约能耗等具有的重要意义。     

磁分离技术在水力采煤工艺系统中的应用前景

介绍了磁分离技术的发展历程、原理、分类、优缺点以及应用领域,并对应用磁分离技术处理水采煤泥水的必要性和可行性进行了分析。通过借鉴目前磁分离技术在诸多行业污水处理中成功使用经验,再结合水采煤泥水本身特点以及60多年来在处理水采煤泥水过程中所积累的经验教训等,给出了采用磁分离技术处理水采煤泥水的两个工艺流程以及需要研究的主要内容。     

钢丝绳漏磁检测信号的处理

漏磁检测是无损检测中的一种重要方式,采用漏磁法对钢丝绳进行检测时,关键问题是对漏磁信号的处理,应用小波变换和小波网络技术对漏磁检测信号进行分析处理,形成良好的网络,然后对钢丝绳进行检测,结果达到了一定的准确度,表明漏磁检测信号处理技术在实际应用中具有可行性。     

超磁分离技术在矿井水井下处理中的应用

结合寺河煤矿矿井水井下水处理设备安装工程,阐述了寺河煤矿采用超磁分离技术进行矿井水井下处理的工艺流程,详细介绍了矿井水井下处理系统中的三个阶段:污泥压滤阶段、混凝阶段、超磁分离处理阶段。并且结合具体施工过程,介绍了超磁分离技术在矿井水井下处理中的优缺点。通过超磁分离技术在寺河煤矿矿井水井下处理中的应用,成功实现了矿井水的井下复用,节省大量的矿井供排水费用,节约采煤成本,对于具有同等条件的矿井具有极高的推广价值。     

高梯度磁选处理废水的应用

介绍了高梯度磁选分离技术的原理和在处理废水中的应用．并且提出了高梯度磁分离技术的发展趋势。     

矿井超磁分离水体净化技术与应用

针对矿井水排放存在的弊端,提出采用超磁分离水体净化技术处理矿井水。介绍了该技术的水质净化原理、微磁凝聚技术、磁种回收技术、工艺流程及主要技术特点,以期在处理矿井水排放工作中得以推广应用。     

一种提高钎杆使用寿命的新方法——脉冲磁处理法

通过矿山现场实际凿岩寿命试验和室内模拟寿命试验数据对比分折，说明了脉冲磁处理对钎杆使用寿命的提高能起很大作用，分析表明，磁处理后比磁处理前使用寿命提高30％以上。本文阐述了脉冲磁处理技术的原理，介绍了磁处理技术的优势。     

磁滑轮预选技术的应用

简述了磁滑轮预选技术在我国，尤其在邯邢局下属矿山的应用情况。根据该项技术的应用现状，提出了应注意矿石粒度，胶带速度、剩磁处理及取样化验等问题。     

磁处理技术对氧化煤浮选效果的影响研究

为了提高氧化煤的浮选效果,以寺河煤矿氧化煤为研究对象,在对其性质分析的基础上,探索磁处理技术对其浮选效果的影响规律,并对磁处理技术的作用机理进行分析。试验结果表明:磁处理技术对浮选精煤产率的提高有一定作用,当磁场强度为0.416 T时,磁处理氧化煤的浮选效果最好,精煤产率提高2.80个百分点;目前对磁处理技术的作用机理方面,还需要更深入、更全面的探索。     

Current situation and future trend of China rare earth luminescent materialindustry(continued)

<正>Developing ecological lighting source The world is facing the big problem of energy shortage today and the contradiction between economy development and environmental protection is worsened.Therefore,people are more likely to choose an ecological light source that is more energy efficient and environmental friendly.The choice provides great opportunity for the development of rare earth optical material industry in China.The concept of green lighting positions rare earth luminescent material as a leading player in illumination market.The light source of both rare earth luminescent lamp and LED lamp is ecological and energy saving.This is why     

Galaxy Magnets achieved the net profit of 34.02 million yuan in the first six months of 2014

正Galaxy Magnet announced its financial results for the first half of 2014 on August 14.For the first six months ended on 30 June 2014,Galaxy Magnet achieved operation income of RMB 182.3 million,up8.40% over the same period of 2013,and the net profit attributable to the shareholders of the listed company of 34.02 million yuan,increasing 35.49% over the same period of last year.Stable performance increase was led by development of new customers and application market of magnets.     

Rare Earth Application in Steel in China

<正>China has rich rare earth resources.Output of rare earth and steel in China ranks the top first in the world.However,there is still certain distance between the steel produced in China and developed countries from the point of varieties and quality.China still has to import some types of steel.Improving the quality should be emphasiZed in future development of steel industry in China.Rare earth can be used to upgrade traditional steel     

China rare earth market review

正November 21~30,2014Due to weak demand from downstream industries,transactions of rare earth in Chinese domestic market were inactive.It was difficult to sell any rare earth products except for dysprosium oxide and terbium oxide.Suppliers lost confidence in recent market.Demand for rare earth products was soft.Consumers continued to take a wait-and-see attitude.Rare earth export market remained slow.     

稀散金属产业的观察与思考

分析了近年来国内外稀散金属产业的生产、应用、资源与市场状况.铟锡氧化物靶材、砷化镓晶片、锗红外材料、铼高温合金和硒在电解锰及玻璃的应用等已成为稀散金属的主要应用领域.稀散金属的产量快速增长达到历史高位而导致了市场的失衡.以GaInP_2/GaAs/Ge,CIGS和CdTe为代表的非硅系太阳能电池是稀散金属的新兴应用领域,将给稀散金属带来日益增长的需求.     

Current situation and future trend of China rare earth luminescent material industry

<正>Rare earth luminescent material is one of the most important application sectors of rare earths.China enjoys the exceptional advantage to develop rare earth luminescent material for its abundant rare earth resources.After several decades'endeavor,China's rare earth luminescent material industry,headed by rare earth phosphor for lamp and LED and high efficient rare earth energy-saving light source,has been gradually developed into a scale industry.China has become a major production base of rare earth phosphor for lamps and rare earth     

China rare earth market review

正June 1~10,2014Rare earth market remained weak.Quoted price of rare earth products was similar to that in May.There was no sign of recovery in downstream market.The market of NdFeB magnetic materials and phosphor was depressed.Catalyst,polishing powder and ceramic industries remained inactive.Demand from downstream industry was soft.Consumers purchased on their needs.Suppliers had strong intention to sell.Prices of rare earth products     

Annual Report analysis of Chinese rare earth-related listed companies in 2013

<正>Chinese rare earth-related listed companies have published their 2013 annual reports.It can be understood from their reports that production and operation activities of Chinese rare earth-related companies were still heavily affected by macro economy and industrial policies.They basically followed the steps of national economy.In 2013,world economy recovered slowly but the economy     

Market opportunities and challenges for rare earth polishing powder

正1.Status of rare earth polishing powder Rare earth polishing powder with high content of cerium oxide began to replace iron oxide for glass polishing and became one of the key materials in glass polishing process since 1940.Compared with traditional iron oxide,rare earth polishing powder has many advantages,such as fast polishing rate,high polishing quality and long service life.It can achieve good surface quality and improve operation conditions.For example,in lens polishing,the polishing work that cerium     

Baotou Research Institute of Rare Earths developed a new RE alloy preparation technology

正Pyrometallurgy Laboratory of Baotou Research Institute of Rare Earths had independently developed a new preparation technology of rare earth alloy for NdFeB.The alloy can remarkably enhance the coercivity of NdFeB magnet but also evidently reduce the production cost of the magnet.The new master alloy was prepared in the kA pilot-scale electrolytic cell by the independent technology.The rare earth master alloy can be used as the raw material for NdFeB.Compared