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1.
刘国福  胡柏石等 《铀矿开采》2001,25(3):18-23,17
地浸井场工艺管道是地浸采铀井场的血脉,它是井场与配液系统和水冶厂的联接通道,良好的输送性能和较长的服务年限关系到工程一次性投资的效果和生产的稳定性。  相似文献   

2.
本文通过室内柱浸试验,现场生产分析对比以及计算机数值模拟方法,分析研究了地浸工艺过程中,流动速度分布特征,探讨了流动速度对浸出工艺的影响。  相似文献   

3.
地浸孔的结构及成井工艺   总被引:2,自引:0,他引:2  
原地浸出采矿法是一种采用地浸孔和化学试剂采矿的新型方法。这种采矿方法简单,劳动生产率高,成本低,经济效益显著,大大改善了劳动条件,减轻了环境污染,是一种很有发展前途的采矿方法。目前地浸采矿在我国尚处于开发试验阶段,我局1991年在内蒙某地进行了小规模的原地浸出采矿现场试验。本文认真地总结了生产施工经验,并主要就原地浸出采矿法的地浸孔结构、布置方式、施工技术、成井工艺等问题进行了阐述。  相似文献   

4.
《采矿技术》2006,6(1):77-77
Highland铀矿是西方国家最大的铀地浸矿山之一,采用典型的美国碱法地浸工艺,即以CO2和O2配制溶浸剂进行浸出。介绍了Highland铀矿采用的井场设计与建设、环境评价与监测、生产操作和地下水复原等方法,以及Highland铀矿的地质概况。  相似文献   

5.
地浸工艺钻孔中的施工技术   总被引:4,自引:1,他引:4  
程宗芳 《铀矿冶》2003,22(2):61-64
地浸工艺钻孔施工方法是地浸采铀的关键技术之一,在钻孔施工设计、孔斜偏离、套管接头密封、钻孔封孔以及洗孔方面尚存在许多问题,从施工技术管理的角度应予以规范和监督,以期保证钻孔的质量。  相似文献   

6.
文章介绍了地浸企业的组成,列出了设计地浸井场所需的资料数据,讲述了地浸井场设计的基本内容,提出了应从哪些方面评审地浸井场设计工作质量的问题。  相似文献   

7.
微酸地浸采铀技术应用研究   总被引:3,自引:0,他引:3  
雷林  雷泽勇 《矿业工程》2007,5(2):20-22
浸出技术是地浸采铀的关键技术之一,在微酸浸出工艺的选择、溶浸液配方与使用方法等方面,尚存在一些问题。本文通过与常规开采比较,论述了微酸地浸采铀新技术的特点,并从施工技术管理角度验证和完善浸出理论,以期保证和提高浸出效果。  相似文献   

8.
Highiand铀矿是西方国家最大的铀地浸矿山之一,采用典型的美国碱法地浸工艺,即以CO2和O2配制溶浸剂进行浸出。介绍了Highland铀矿采用的井场设计与建设、环境评价与监测、生产操作和地下水复原等方法,以及Highland铀矿的地质概况。  相似文献   

9.
从循环经济角度出发,介绍了地浸采铀工艺特点,从浸出工艺方法与矿床的"适宜匹配"、浸出工艺的"减量化"技术、微生物浸铀及铀铼综合回收技术等四个方面阐述新疆地浸采铀浸出工艺的循环经济技术创新举措及应用成果,总结出新疆地浸采铀浸出工艺具有"低消耗、高利用、综合回收"的循环经济特点。  相似文献   

10.
系统介绍美国地浸铀矿山钻孔结构和承压能力试验、过滤器形式和使用、注浆方式和设备、套管性能和连接、井场浸出结束点和溶浸范围控制等技术和工艺的特点。美国地浸铀矿山采用氧气和碱法浸出工艺,所开发的钻孔施工和成井工艺以及井场运行操作针对性强,技术先进。所介绍的技术和工艺大都未在国内应用,对我国地浸采铀技术的研究和开发有一定借鉴意义。  相似文献   

11.
<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  相似文献   

12.
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  相似文献   

13.
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.  相似文献   

14.
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.  相似文献   

15.
<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  相似文献   

16.
<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  相似文献   

17.
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.  相似文献   

18.
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  相似文献   

19.
铜熔炼中锍品位对杂质元素分配行为的影响   总被引:1,自引:0,他引:1  
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。  相似文献   

20.
<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  相似文献   

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