石膏专用过滤机在火电厂脱硫系统的应用分析

某烟气脱硫系统石膏脱硫设备陶瓷盘片圆盘脱水机的陶瓷滤板容易堵塞,导致出力不足及故障频发。通过对烟气脱硫系统石膏浆液的成功过滤试验,拆除陶瓷圆盘脱水机,更换为GPYT40-8型石膏专用过滤机。结果表明,GPYT40-8型石膏专用过滤机适应能力强,可连续运行并稳定可靠,节能效果明显,维护成本低,具有显著的应用优势。     

赤泥专用过滤机的研制开发及工业应用

针对拜耳法赤泥浆物料特性及过滤的工业需求,在传统GLL过滤机的基础上研发了GPYC-160赤泥专用过滤机,并对扇形板、流道、中心轴、吹风卸料系统以及滤布等关键结构进行针对性的创新设计.经工业实践验证,赤泥专用过滤机运行稳定,各项指标符合设计要求,增加拜耳法赤泥过滤系统后,串联烧结法生产氧化铝稳定并达产.     

《新型实用过滤技术》简介

《新型实用过滤技术》是冶金工业出版社于 2 0 0 0年 1月出版的新书 ,全书共2 0章 ,介绍了过滤理论的新成果。包括近代过滤理论、压榨理论、非牛顿型流体过滤理论 ,多相过滤理论。阐述了新型助滤技术 ,动态过滤、微孔过滤、澄清 (粒状层 )过滤 ,高梯度磁电分离技术 ,编著者还根据多年从事过滤技术的设计、研究和推广应用的经验 ,重点介绍了常用及新型过滤机、过滤机的辅助设备、过滤机安装、系统调试与故障排除、过滤实验技术装置、过滤机的比例放大、过滤机的设计计算、过滤机的选型等以及过滤技术在选矿、冶金、煤炭、石油、化工、医药、…     

KDF型连续加压过滤机

<正> 连续加压过滤机是荷兰阿尔克马尔的阿马过滤机公司生产的一种新结构的加压过滤机,其过滤压力可达6巴。新设计的KDF型连续加压过滤机的处理能力大,可以得到低水分的滤饼。一、工作原理过滤是通过过滤元件进行的。在过滤期和脱水期,高压空气在水平壳体内形成     

提高真空盘式过滤机过滤效率稳定性的措施分析

介绍了南京梅山铁矿铁精矿过滤系统的概况,针对铁精矿过滤系统存在的过滤机过滤效率不稳定,特别是铁精矿矿浆中细颗粒比例较大时,过滤机过滤效果差,过滤效率不理想,导致铁精矿脱水浓缩机清水层难以控制等问题,对影响盘式过滤机过滤效率的各个因素进行了分析,并结合选矿厂的使用现状提出了相应的改进措施。     

复合有机过滤板替代陶瓷过滤板可行性探讨

陶瓷过滤机是一种普遍采用的高效、节能、环保型固液分离设备。简述了陶瓷过滤机的工作原理,指出目前普遍使用的陶瓷过滤板存在易堵塞、难清洗、覆膜边角处易损坏漏气、清洗时会爆板等突出问题,介绍了新研制的可克服陶瓷过滤板所存在问题的新型复合有机过滤板的性能特点。通过试验表明复合有机过滤板在提高处理能力方面具有明显的优势,增产能力达14.85%,但在滤饼的脱水效果方面略逊于陶瓷过滤板,滤饼含水率较陶瓷过滤板的高0.57个百分点。可见,复合有机过滤板有利于提高陶瓷过滤机的工作效率和企业的经济效益,具有广阔的推广应用前景。     

新型矿用过滤机的设计及应用

针对某巴西细铁精矿的过滤要求,在研究物料粒度和脱水特性的基础上,设计开发了一种处理细铁精矿的新型矿用过滤机.介绍了该过滤机的工作原理,阐述了其采用的分层过滤方式、粗细颗粒分区进料的进料方式和刮刀卸料高压风反吹的综合卸料方式.工业应用表明,新型矿用过滤机能耗低、产能高,得到的滤饼含水率低,适用于细粒物料以及尾矿的脱水作业.     

GPJ-120型加压过滤机在太原选煤厂的应用

分析了太原选煤厂浮选精煤脱水系统存在的问题，介绍了应用加压过滤机后的工艺效果，实践证明，加压过滤机过滤处理能力大，滤饼水分低，自动化程度高。     

圆盘式真空过滤机滤饼助脱器的研制与应用

介绍了淮北选煤厂过滤系统状况及一种结构简单、造价低廉的圆盘式真空过滤机滤饼助脱器的研制和使用效果。     

流态化煅烧石膏技术的进展--FC分室石膏煅烧炉

研发了一种新型的建筑石膏煅烧设备——FC分室石膏煅烧炉,简要介绍了该煅烧系统的工艺流程、工艺原理、系统特点等。并通过工程实例说明该系统煅烧天然石膏、磷石膏、脱硫石膏、氟石膏的各项工艺参数、原料成分、煅烧能耗及最终成品的检测数据。     

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

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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