Bentley-Openplant在选煤厂管道设计中的应用

管道设计是选煤厂设计的重要组成部分,对安装准确性、工艺系统流畅性有着直接影响。而鉴于管道设计的复杂性和传统管道设计方式的不足,借助于Bentley-Openplant三维设计软件,阐述了三维管道设计的模式和流程,并与传统管道设计方式进行了对比,对管道设计的三维设计方式进行了有益的探索,以期为选煤厂管道设计提供参考。     

煤矿虚拟环境系统的总体设计及初步实现

提出了煤矿虚拟环境系统的总体设计,系统由四大模块组成,即数据管理、三维几何建模、构建煤矿虚拟环境和立体显示.其中,数据管理模块为整个系统提供数据;三维几何建模模块采用三维数据模型和数据结构表达地层、巷道和钻孔;构建煤矿虚拟环境模块采用一系列的虚拟现实技术构建虚拟矿山环境,使用户产生身临其境的感觉,并能与虚拟环境进行交互;立体显示模块借助虚拟现实设备产生立体视觉.此外,还提出了适合煤矿应用的三维数据模型和数据结构,初步实现了一个从底层开发的具有我国自主知识产权的煤矿虚拟环境系统的原型系统.     

基于Pro/E软件的非规范驱动液压支架三维布管技术

研究了基于Pro/E管道模块的液压支架管路布置方法,介绍了三维布管的流程和关键技术。该方法便于液压系统的干涉检验,能准确确定胶管长度,精确统计管路附件数量,可大幅提高液压设计效率和精细化程度。     

基于SolidWorks的选煤厂管道设计

传统选煤厂二维管道设计过程中存在设计效率低下及难以发现管道碰撞等问题,三维管道设计具有"所见即所得"的直观表达方式和强大的碰撞检查功能可以有效降低管道设计难度,提升管道设计效率。论文以安家岭二号矿井选煤厂管道设计为例探讨了基于SolidWorks的选煤厂三维管道设计的思路和步骤、选煤厂三维管道设计的优势和存在的技术难点,简要说明了选煤厂三维管道设计的发展趋势。     

OpenPlant软件在井下综合管网设计中的应用

煤矿井下综合管网设计是矿井设计的一个重要组成部分,对井下各专业管道的安装准确性、系统流畅性有着直接影响。而鉴于管道设计的复杂性和传统管道设计方式的不足,借助于OpenPlant三维设计软件,通过介绍三维管道设计的模式和流程,阐述了系统建模、数据库建立、碰撞检查和材料报表输出的操作流程,对井下综合管网的三维设计方式进行了有益的探索。     

基于虚拟建造技术的地浸井场设计系统开发

针对地浸开采铀矿山井场设计工作量大、信息空间表征不足,及传递反馈可视化程度低等问题,结合井场设计施工特点,以MongoDB为数据库,采用MVC框架、WebGL及HTML5技术开发了基于虚拟建造技术的地浸井场设计系统。该系统包括井场建造模块、钻孔建造模块、数据管理和查询统计模块、方案比选模块、钻孔质量检查模块和三维可视化模块,可实现井场自动布孔、钻孔可视化设计、井场方案数据统计查询,及三维可视化等功能。开发的系统界面友好,在Web端运行流畅,操作快捷方便,为地浸井场建设提供了智能化、高效化的设计平台,较传统设计模式在自动化、可视化、协同性和共享性等方面具有明显优势。     

图形化网络设备监控系统的设计与实现

为了便于对网络资源发生的变化进行观察,研究了图形化网络设备监控系统,分析了其可行性。设计了系统整体结构,主要由3层结构组成,系统功能由设备配置管理模块、设备数据采集模块、数据图像绘制模块构成;设计了系统功能实现方案,主要为数据采集方式设计、数据库设计与Web界面的设计。研究对实现远程化的网络设备控制提供了技术支持。     

基于LabVIEW的管道甲烷气体监测系统设计

为改善管道甲烷气体浓度超标带来的安全隐患,设计基于LabVIEW的管道甲烷气体监测系统。使用下位机子系统的红外光电传感器采集管道甲烷气体信号数据,将STM8处理器处理后的信号利用网络通信模块传递到上位机子系统,其通过LabVIEW编写的串口程序,在完成串行初始化和数据接收的基础上,数据处理模块采用小波变换方法消除信号中的噪声;根据除噪后的信号,管道甲烷气体浓度检测模块运用谐波检测方法获取管道甲烷气体浓度信息,并保存至数据存储模块;用户使用数据显示模块可以查看保存的信息,以此实现管道甲烷气体监测。实验结果表明,该系统具有良好的红外光电传感器零点稳定性和甲烷气体信号去噪能力,各监测点的甲烷气体浓度检测绝对误差最大仅为1.45%。     

地理信息三维可视化系统应用研究

对于地理信息三维可视化系统的开发与研究,不仅仅是对地理信息二维系统进行简单的扩建,其实是在三维空间模型以及三维空间数据库等多个方面实现可视化操作。分析了地理信息三维可视化系统开发方法,阐述了地理信息三维可视化系统流程设计以及系统模块设计,希望可以为地理信息三维可视化系统开发提供一定的参考。     

矿井通风三维可视化仿真系统的设计与实现

针对目前国内外通风仿真系统软件存在的不足，提出了矿井通风三维可视化仿真系统的总体设计，系统由4大模块组成，即通风系统的三维自动构建、通风系统的三维可视化、动态风流仿真和通风图属三维交互查询。通风系统构建模块为系统提供数据，三维可视化模块用于系统的三维可视化操作。动态风流仿真模块基于改进的粒子系统算法，可显示风流方向、风流类型、风量等通风参数。三维交互查询模块用于通风系统的空间查询与分析。对上述4个模块的关键问题进行了详细研究和实现，并以开滦矿区某矿通风数据进行了实际应用，验证了系统的可行性与实用性。     

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 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     

2014 second batch of rare earth quota released

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