高效斜管浓缩池在冶金矿山的应用现状及前景

着重从高效斜管浓缩池的结构及管路配置,工艺及技术指标诸方面总结了在我国冶金矿山应用及发展的概况,指出了存在的问题及解决办法。     

马道沟选矿厂尾矿处理系统改造

辽宁宽城马道沟矿业公司年排放尾矿量220余万t,尾矿浆浓度为16%~17%,尾矿处理系统的总装机功率高达2 065 kW,占全选矿厂的约40%。为了降低尾矿处理系统的生产成本、提高系统的稳定性,引进旋流器、浓缩池、絮凝剂优化了选矿厂的尾矿浓缩系统。生产实践表明,在尾矿浓缩工艺改造中,引入旋流器和絮凝剂,可大幅度降低尾矿浓缩池的建设面积和全系统的投资;改造后每年可节约生产成本209.75万元。     

大直径浓缩池模板及混凝土施工工艺

为缓解国家经济发展中的能源紧缺状况,近年在西部地区开发并确立了一大批选煤厂项目,浓缩池工程是选煤厂工艺中水的浓缩循环再利用工程。在浓缩池施工中如何保证不渗漏,保证底板坡度,是浓缩池施工的重点和难度。论文主要阐述了大直径浓缩池的施工工艺。     

高效斜管浓缩池在冶金矿山应用现状及前景

文中对斜管浓缩池近几年来在冶金矿山处理尾矿浆的应用实践进行了总结和分析。斜管浓缩池在处理尾矿浆中存在的几个关键问题 ,通过有效的技术措施得到了解决 ,取得了显著效果。指出了现斜管浓缩系统还存在的一些问题及解决办法。     

板集矿选煤厂煤泥水浓缩系统工艺优化

针对矸石极易泥化导致的煤泥压滤系统压力巨大的问题,板集选煤厂采用两段浓缩两段回收工艺对煤泥水浓缩系统工艺进行优化,并采用沉降式离心机回收一段浓缩煤泥,不仅减轻了煤泥水处理系统的压力,并且取得了良好的经济效益。     

组合斜管浓缩池处理大尾矿量的布置方式探讨

在处理尾矿方面本文从多个斜管浓缩池组合的建筑面积、处理能力、投资等经济、技术角度深入探讨了多菱形、矩形组合形式的优缺点，并和目前常规浓缩设备选型作了对比，指出了技术关系，为今后大型冶金矿山应用斜管浓缩池处理大尾矿量探索出了一条新路。     

GXN高效斜管浓缩池在冶金选矿厂的开发与应用

介绍了迁西县高家店铁矿，排尾矿浆池改造成高效斜管浓缩池，同时论述了高效斜管池的结构和工作原理，使选矿厂获得了显著的经济效益。     

大型斜管浓缩池在冶金矿山的改进

目前国内斜管浓缩他做为污水处理装置已普遍应用在煤炭。化工、自来水等行业。而在冶金矿山,由于其尾矿量较大、浓度高,而且波动量大,一般斜管浓缩地难以适应。卯年代初才开始试开发应用。但是,几年来在使用中也发现由于设计经验不足,在几个铁矿山已投入运行的同类装置普遍存在严重问题。比如地体排矿四周期性堵矿,使排浆管经常堵塞;选厂尾矿浆量忽大忽小,造成地回跑浆、溢流水固体含量超标和回水断流现象等等,给生产造成一定的损失。分析其原因主要是地体部分结构不合理,底流排浆缺乏控制手段造成的。此外还存在处理能力偏低问题…     

尾矿浓缩池跑泥改进措施探讨

对梅山铁矿尾矿浓缩池出现跑泥的原因进行了分析，提出了跑泥的具体措施。     

注浆技术在浓缩池漏水中的应用

 文章通过某具体工程应用实例介绍了注浆技术在浓缩池漏水中的应用，注水实验结果表明该方法是成功的。     

Market and recycling of NiMH battery

<正>Market status and future trend of NiMH battery1.Global market of small NiMH battery Global market size of small NiMH batteries declined year on year since 2011.The trend will continue to 2018,at the rate of 5%to 10%annually.Demand for small NiMH batteries will be stable gradually.Many electrical apparatuses are powered by the built-in lithium battery today,which is the main reason for the shrunk market of small NiMH batteries.But,for some products,small NiMH     

China rare earth market review

正September 1-10,2014 Affected by the National Day holiday,rare earth transaction was stagnant and the market showed a weak steady state.As there was no good news for downstream market,some products with flat demand would likely rally slightly for some time to     

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     

2014 second batch of rare earth quota released

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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     

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.     

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.