物料参数对振动逆流干法选煤效果的影响

分析了振动逆流干法选煤技术受物料参数的制约性,应用振动逆流干法选煤试验系统进行了不同外在水分、粒级和煤种的入料煤样的分选试验。结果表明:6%的入料外在水分是分选效果的临界值;窄粒级入料有利于取得更好的分选效果;3种不同地域煤样的分选效果接近,E值为1.5~1.6。     

中心传动干法球磨机安全保护装置的设计

针对中心传动的干法球磨机在运转过程中,如果传动装置与磨机之间动力传递不正常,或磨机自身运转不正常,将会引起非常严重的恶性事故。基于此,设计了一套针对中心传动干法球磨机安全保护装置,用以检测干法球磨机传动是否平稳,可有效避免干法球磨机在运转过程中因轴向窜动而造成滑履轴承烧瓦、传动装置关键部件损坏等一系列恶性事故,实现了干法球磨机运行过程中动力传递的实时反馈,可为干法球磨机的设计提供借鉴。     

我国干法选煤技术发展现状与应用前景

结合我国煤炭资源和选煤工业发展现状,分析了干法选煤的必要性和适用性及干法选煤设备发展现状,展望了干法选煤应用前景,并就其未来发展提出建议,可为煤炭企业合理选择煤炭加工方案,提高综合经济效益提供一定参考。     

空气重介干法选煤工艺设计的研究

详细介绍了空气重介干法选煤的工艺特点、流程结构及工艺流程计算方法.为今后空气重介干法选煤厂的建设提供了设计依据,有利于空气重介干法选煤技术工业化推广和应用.     

空气重介干法选煤工艺设计的研究

详细介绍了空气重介干法选煤的工艺特点、流程结构及工艺流程计算方法。为今后空气重介干法选煤厂的建设提供了设计依据,有利于空气重介干法选煤技术工业化推广和应用。     

干法球磨机滑履轴承降温技术研究与应用

针对干法球磨机在运转过程中滑履轴承托瓦温度过高,会引起烧瓦、传动不平稳等问题,以及非常严重的恶性事故,针对不同的降温技术进行综合论述,并对其特点及应用情况进行了归纳总结。通过实际应用,提出了针对干法球磨机滑履轴承不同情况下的有效降温技术,避免了干法球磨机动力传递过程中的安全事故,对干法球磨机寿命的提高起到了一定的促进作用,为干法球磨机的设计提供了借鉴。     

空气重介干法选煤工艺系统与计算方法

详细介绍了空气重介干法选煤的分选原理、工艺特点、流程结构及工艺流程计算方法,为今后空气重介干法选煤厂的建设提供了设计依据。     

风力干法选煤技术研究现状与展望

介绍了复合式干法分选、风力摇床分选、风力跳汰分选、振动逆流分选及振动螺旋分选等干法选煤技术发展历程与分选原理、技术性能及其适用性,阐述了在“双碳”背景下煤炭高效清洁干法分选技术所面临的难题与困境,提出降低分选粒度下限、提高分选精度、增强对入选原煤外在水分适应性和发展风力选煤智能化的未来干法分选技术发展方向,以为应对新形势下煤炭洗选加工难题提供了解决方案。     

空气重介干法选煤工艺设计与流程计算

详细介绍了空气重介干法选煤的分选原理、工艺特点、设备结构及工艺流程计算方法，为今后空气重介干法选煤厂的建设提供了设计依据。     

联合粉磨系统粉磨介质对耐磨衬板影响及优化

为提高联合粉磨系统干法球磨机的粉磨效率,解决干法球磨机衬板断裂、磨损严重等技术问题,研究了干法球磨机粉磨介质在不同衬板作用下的运行规律,分析了衬板的磨损机理,开展了衬板材料及性能的试验研究;研制了一种用于联合粉磨系统的新型耐磨衬板,并通过应用,提出了合适的衬板形式及材料。该方案对于提高磨机粉磨效率具有一定的促进作用,为干法球磨机的设计提供了借鉴。     

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     

Brief news

正Corun invested another 50 million yuan in power battery for HEV Hunan Corun announced on 27 June that they had signed the cooperation agreement to jointly built Corun(Shaoxing)Autos Power Battery System Co.,Ltd.in Shaoxing Binhai New City.According to the announcement,total registered     

铜熔炼中锍品位对杂质元素分配行为的影响

借助于多相、多成分系统中平衡计算的手段，开发出微量元素砷、锑、铋及伴生元素铅、锌等在铜熔炼中分配行为的计算机模型。利用该模型对铜熔炼过程进行计算机模拟，分析了冰铜品位对砷、锑、铋、铅和锌等杂质元素的分压、活度系数及它们在冰铜、炉渣和气相中分配率的影响，并讨论其热力学分析结果对生产实践的指导意义。     

New energy vehicle:an opportunity for rare earth magnets

<正>Extracted from Securities Guide 1.Popularity of new energy vehicles—an irresistible market trend1.1 Progress of new energy vehicles Chinese Premier Li Keqiang said recently on a visit to Xi'an BYD Autos that new energy vehicles,especially new energy bus,can lessen environment and noise pollution.He encouraged the use of new