超细立磨在非金属矿超细加工中的应用

应用料层高压研磨粉碎和涡流超细分级相结合的原理,使ATL新型超细立磨可以进行非金属矿的超细加工,其具有显著的节能效果,缓和了超细微粉细度、产量和能耗之间的矛盾,超细立磨越来越受到客户的青睐,已成为非金属矿超细微粉行业的主流设备。本文介绍的ATL超细立磨工艺系统以及在超细重钙领域的成功应用,证明了其在非金属矿超细加工领域具有优质性能和较高应用价值,其生产指标和产品性能指标均达到台湾同类超细立磨的标准。     

合肥水泥研究设计院 中建材(合肥)粉体科技装备有限公司

正合肥水泥研究设计院(中建材(合肥)粉体科技装备有限公司)是集科研、设计和制造为一体的大型高科技国企,年销售额平均超过35亿。超细微粉技术部的非金属矿粉磨和分级技术从200目石灰石开始,60年不断创新和超越,今天,卓越的7000目亚     

搅拌粉磨过程动力学模型研究

本文通过实验，对搅拌粉磨过程动力学特性进行了探讨。根据硬质高岭土粉磨实验结果，分析了粉碎过程中大于某一粒级颗粒消失的速率，建立了搅拌粉磨过程的动力学模型。同时借助于粉磨过程动力学参数，分析了大小不同的两种介质对粉磨过程的影响。     

铬矿粉磨分级成套系统研究

近几年，我院针对市场需求，在粉磨-分级成套系统工艺技术方面进行了专项技术研究，先后建成了两套接近工业化生产的粉磨分级成套实验系统，并相继承接了重庆农药化工集团铬矿粉磨-分级成套系统，白银甘藏铬盐粉磨-分级成套系统、抚顺铝厂石油焦粉磨-分级加工成套系统、青海桥头石油焦粉磨-分级加工成套系统、吉林磐石重钙微粉粉磨-分级成套系统、神华集团液化煤煤粉制备成套系统等产业化项目，并住化工、电力、建材和煤炭等行业的粉磨项目中关键没备方面替代了国外产品。     

合肥水泥研究设计院 中建材(合肥)粉体科技装备有限公司

正合肥水泥研究设计院(中建材(合肥)粉体科技装备有限公司)是集科研、设计和制造为一体的大型高科技国企,年销售额平均超过35亿。超细微粉技术部的非金属矿粉磨和分级技术从200目石灰石开始,60年不断创新和超越,今天,卓越的7000目亚微米粉体干法加工技术已投入工业化应用。数百项超细非矿工程建设业绩,让我们自信可与当今世界先进的工艺和装备水平相媲美。     

合肥水泥研究设计院 中建材(合肥)粉体科技装备有限公司

正合肥水泥研究设计院(中建材(合肥)粉体科技装备有限公司)是集科研、设计和制造为一体的大型高科技国企,年销售额平均超过35亿。超细微粉技术部的非金属矿粉磨和分级技术从200目石灰石开始,60年不断创新和超越,今天,卓越的7000目亚微米粉体干法加工技术已投入工业化应用。数百项超细非矿工程建设业绩,让我们自信可与当今世界先进的工艺和装备水平相媲美。     

合肥水泥研究设计院 中建材(合肥)粉体科技装备有限公司

<正>合肥水泥研究设计院(中建材(合肥)粉体科技装备有限公司)是集科研、设计和制造为一体的大型高科技国企,年销售额平均超过35亿。超细微粉技术部的非金属矿粉磨和分级技术从200目石灰石开始,60年不断创新和超越,今天,卓越的7000目亚微米粉体干法加工技术已投入工业化应用。数百项超细非矿工程建设业绩,让我们自信可与当今世界先进的工艺和装备水平相媲美。     

某极微细磁铁矿高效碎磨磁选工艺的应用

针对山西某极细微嵌布粒度磁铁矿经磁选柱磁重选、反浮选脱硅都未能获得高品质铁精矿的情况,引入塔磨机细磨+高效磁选选矿工艺,获得了精矿铁品位65%以上的铁精矿。原矿石磨前引入高压辊磨超细碎—预选工艺,磨前抛弃了大量合格尾矿,两项改造成功应用,达到了较好的节能降耗效果,为企业创造了显著的经济效益。     

高压辊磨机在冶金行业的开发及应用

在破碎粉磨工程领域,人们围绕节约能源、提高综合技术经济效益这个根本目标来进行设备的开发研制。已得到世界公认的“多碎少磨”预破碎工艺,可大大降低矿石粉磨生产过程中的能量消耗,在该工艺的带动下,出现了一系列用于细碎和超细碎的破碎粉磨设备,其中以利用层压破碎的高压辊磨机最为典型。     

辊筒磨节能特性的探讨

众所周知，粉磨是水泥工业电耗的主要环节。升发新的粉磨设备，提高粉磨效率，一直是世界各国粉磨工作者所关注的大问题。以传统的球磨机为主的粉磨作业耗电量约占水泥厂总耗电量的65％～76％，能耗高，物料在磨内的停留时间长、噪声大。     

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     

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     

2014 second batch of rare earth quota released

正~~     

矿用防爆轴流对旋主要通风机叶片ANSYS模态分析及应用

高效节能矿用防爆对旋主要通风机的叶片是主要通风机运行的关键部件,叶片在运行时不断受到气流的作用力,从而使叶片产生振动,当叶片振动的频率与叶片的固有频率接近时,容易产生共振从而导致叶片的断裂。一旦叶片断裂时,对主要通风机的安全运行产生致命的影响,从而导致矿山、化工等企业发生重大事故,将会产生不可估量的损失。基于有限元分析软件ANSYS,对高效节能矿用防爆轴流对旋主要通风机叶片进行模态分析及产生对应的六阶模态频率,对主要通风机叶片的运行频率、固有频率及产生的共振问题进行了原理分析,并且解决了叶片频率共振的问题,从而为主要通风机叶片结构设计提供理论依据,并对主要通风机叶片的安全运行提供保障。     

2013 NdFeB export analysis

<正>China totally exported nearly 24,000 tonsof NdFeB products during 201 3,including 18,825 tons of permanent magnet,valued USD 1.34 billion at an average price of 71.4 USD/kg;3,277 tons of NdFeB magnetic powder,valued USD 1 01 million at an average price of 30.9 USD/kg;1,334 tons of strip casting ribbon,with total export value of USD 74million at an average price of 55.3 USD/kg;and 586