某选厂厂址方案的选择

总图设计与运输在厂址选择过程中起到极为重要的作用，如何对可能性的厂址通过一定的方法和步骤进行筛选对于企业而言至关重要。影响厂址选择的因素较多，以某新建矿山的厂址选择为例，提出应在满足国家政策法律法规的前提下，对可选厂址先进行总图布置，收集详细的资料，比较各厂址的优劣，排除缺陷明显的厂址，对意向性的厂址再进行技术经济分析，最终推荐安全环保、经济合理的厂址。     

小孤山水电站西流水厂址后边坡稳定性分析

电站厂房地质条件的优劣，直接关系到电站工程设计方案的优化选择及经济评价，而厂址后边坡的稳定与否对厂房的设计及施工方案的制定意义重大。通过对西流水厂址后边坡的稳定性分析，为厂房设计和施工处理提供参考依据。     

某钨矿选矿厂厂址选择

以云南某钨矿选矿工程选址为例,通过选矿工程厂址选择的主要因素和设计要点,对该工程多个厂址方案进行比较分析,最终确定推荐厂址方案。     

某钨矿选矿厂厂址选择

以云南某钨矿选矿工程选址为例,通过选矿工程厂址选择的主要因素和设计要点,对该工程多个厂址方案进行比较分析,最终确定推荐厂址方案。     

来凤凯迪生物质能发电厂建设工程厂址区岩土工程地质条件分析

湖北省来凤凯迪电厂厂址区工程地质条件较复杂,对厂址区进行了可行性研究阶段的工程地质勘察工作,基本查明了拟建场地地形地貌、气象水文条件、地质构造特征及不良地质现象;拟建场地勘探深度范围内地层的埋藏分布情况、岩性特性及其主要物理力学性质,确定了拟建场地抗震设防烈度,划分场地土类型及建筑场地类别。工作中对厂址区的主厂房区、露天燃料堆场区及灰渣综合利用区的不同分布地段均进行了钻孔勘察,对厂址区不同分布地段的不良地质条件及存在的岩土工程地质问题进行了稳定性分析及基础型式的选择、分析,并提出防治措施。     

西藏某大型铜矿选矿厂厂址选择设计

针对某大型铜矿选矿厂生产规模大,位于高原地区,生态系统较为脆弱的特点,在厂址选择中,从技术可行、经济合理、环境影响小的角度出发,充分考虑总图运输、尾矿库选址、供电、供水、排水以及对环境保护的影响等因素,对多个厂址进行分析后,推荐出最佳厂址方案。     

某高山地区大型矿山选矿厂的厂址选择

某大型露天矿山工程地处高山地区,由于沟谷狭窄、地形陡峭,使得选矿厂的厂址选择成为一个难题。在厂址选择过程中,结合项目特点从地形利用、矿山总体布置、物料运输、经济效益等方面进行分析和论证,最终得出适宜的厂址方案。     

堆浸铀水冶厂厂址选择与总图设计

厂址选择与总图设计是铀矿冶项目前期设计咨询重要内容.结合设计实践,对我国铀矿山堆浸水冶厂厂址选择和厂区总图设计的原则与方法进行了分析研究,并对设计中应关注的重要问题进行分析论述,以期为类似工程的咨询、设计提供参考.     

浅谈煤炭企业工业场地的厂址选择

在简要介绍煤炭企业工业场地厂址选择理论方法的基础上,从影响厂址选择的各个因素入手,结合魏墙矿井工业场地厂址选择的实例,探讨了煤矿工业场地厂址选择的方法。     

煤制烯烃项目投资影响因素分析

基于煤制烯烃是我国率先实现工业化的新型煤化工技术,分析了煤制烯烃产业发展状况和趋势,通过不同项目的工艺技术选择、产品规模、厂址条件等项目建设条件对比,阐述了影响煤制烯烃项目投资的因素,提出工艺技术路线和产品方案是影响项目投资的主要因素,建议建设单位严格控制投资及审慎决策。     

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     

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     

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     

唐口煤矿深部复杂开采工作面瓦斯分源涌出规律研究

研究工作面瓦斯涌出规律对工作面瓦斯治理有重要意义。为了得到唐口煤矿深部3号煤层复杂开采条件下工作面回采时期瓦斯涌出时空演化规律,选取6304工作面作为对象,采用实测方法研究6304工作面瓦斯涌出规律。结果表明:6304工作面瓦斯涌出量为6.534 m³/min,其中煤壁占34.27%,落煤占29.62%,采空区占36.11%;沿工作面倾向由低到高,瓦斯浓度整体为上升趋势,其中1—76号架工作面瓦斯浓度小于0.20%,76—102号架瓦斯浓度上升明显,最大为0.387%;上隅角的后部采空区是工作面的瓦斯主要涌出源,上隅角1号测点瓦斯浓度0.78%,上隅角周边3号、5号、7号、8号、9号测点瓦斯浓度平均为0.643%;周期来压时,上隅角瓦斯相对平时较高。研究为针对性的瓦斯分源监控与灾害防治提供基础。