新型抑制剂在某铅锌硫混合精矿浮选分离中的应用

采用新型抑制剂X33和L3对云南某铅锌硫混合精矿进行浮选分离试验研究。结果表明该抑制剂替代传统抑制剂，能很好地分离铅锌硫混合精矿，其药剂工艺环保，用量低。含铅17.35%、锌6.76%和铁31.04%的铅锌硫混合精矿经过浮选分离后，可得到含铅64.59%、铅回收率95.49%、含银326.8 g/t、银回收率83.29%、含锌4.64%的铅精矿和含锌51.56%、锌回收率64.09%、含铅3.55%的锌精矿，以及含硫43.4%、硫回收率78.67%的硫精矿。      

某含碳高硫铅锌矿综合回收工艺技术

新疆某铅锌矿矿石硫含量高,且含有一定量的含碳质物,属含碳高硫复杂难选铅锌矿石。矿石中方铅矿嵌布粒度不均匀,且与闪锌矿、黄铁矿共生关系复杂,严重影响选矿过程中铅锌分离及铅硫分离。根据原矿性质,采用"预先脱碳—铅锌硫依次优先浮选"工艺流程处理该矿石,实现了铅、锌矿物和黄铁矿的高效分离,所得铅精矿铅品位59.84%,铅回收率88.02%,含锌3.66%;锌精矿锌品位52.34%,锌回收率94.05%,含铅1.45%,硫精矿硫品位50.26%,硫回收率88.13%。     

含易浮云母的复杂铜铅锌矿分离试验研究

某铜铅锌矿属高硫复杂难选多金属硫化矿,铜铅锌矿物之间嵌镶关系极其复杂,原矿中云母和硫含量高,可浮性好,严重干扰铜铅锌矿物的浮选,尤其对铜铅锌精矿的质量影响很大,增加了该铜铅锌矿石的选矿难度。采用优先浮铜—铜精矿脱云母—铅锌硫混浮—铅锌与硫分离的浮选工艺,在铜与铅锌分离的同时消除云母对浮选的影响。当原矿含铜0.63%、铅2.44%、锌2.95%时,获得的铜精矿含铜21.24%、含铅6.08%、含锌4.08%,铜回收率为76.20%;铅锌精矿含铅18.38%、含锌23.32%,铅、锌回收率分别为85.07%、89.32%。     

新疆某低品位铅锌矿选矿试验研究

新疆某铅锌矿铅锌含量较低,为了综合利用资源,采用优先浮选流程进行选矿试验研究,闭路试验获得了含铅63.10%、含锌4.82%、铅回收率78.43%的铅精矿和含锌50.43%、含铅1.03%、锌回收率86.49%的锌精矿。     

含金、银低品位铅锌硫化矿综合回收试验研究

针对某低品位铅锌硫多金属硫化矿石的性质特点,经过浮选工艺小型试验研究,采用粗磨—全硫混合浮选—混合精矿再磨—铅锌(硫)分离的原则流程,能获得较好的技术指标。最终获得含铅58.48%,含锌5.62%,含金15.97 g/t,含银12 896.75 g/t,铅回收率77.18%,金回收率35.23%,银回收率80.46%的铅精矿;含铅0.13%,含锌57.85%,含金0.87 g/t,含银196.79 g/t,锌回收率88.95%的锌精矿;含金3.91 g/t,硫42.36%,金、硫回收率分别为46.41%和59.15%的硫精矿,实现了资源综合回收,从而为合理开发该矿石资源提供了依据。     

新疆某铅锌硫化矿选矿试验

新疆某铅锌硫化矿中含铅1.06%、含锌4.18%,具有一定的回收利用价值。为有效回收其中的铅锌矿物,对其进行了详细的选矿工艺研究。结果表明,采用铅锌优先浮选工艺,可获得含铅54.30%、铅回收率80.94%,含锌5.56%、锌分布率2.10%的铅精矿;含锌50.33%、锌回收率83.44%,含铅0.63%、铅分布率4.05%的锌精矿。该工艺不仅实现了铅、锌矿物的有效分离,而且取得了较好的试验指标。     

某含碳高硫铅锌矿综合回收工艺技术研究

新疆某铅锌矿矿石硫含量高,且含有一定量的碳质物,属含碳高硫的复杂难选铅锌矿石。矿石中方铅矿嵌布粒度不均匀,且与闪锌矿、黄铁矿共生关系复杂,严重影响选矿过程中铅锌分离及铅硫分离。根据原矿性质,采用“预先脱碳-铅锌硫依次优先”浮选工艺流程进行试验研究,实现了铅、锌矿物和黄铁矿的高效分离,铅精矿铅品位59.84%,铅回收率88.02%,含锌3.66%;锌精矿锌品位52.34%,锌回收率94.05%,含铅1.45%,硫精矿硫品位50.26%,硫回收率88.13%。     

云南某铅锌矿石选矿工艺研究

云南某铅锌矿中含铅4.18%,含锌8.04%,通过采用了有效选矿流程方案及药剂制度,成功进行了铅锌分离,并获得较高铅、锌试验技术指标,其铅精矿含铅βPb＝59.56%,含锌1.625%,铅回收率84.27%,锌精矿含锌49.126%,含铅0.53%,锌回收率79.43%。     

云南某方铅矿-闪锌矿原矿选矿工艺研究

云南某方铅矿-闪锌矿原矿中含铅4.18%,含锌8.04%。通过采用了有效选矿流程方案及药剂制度,成功进行了铅锌分离,并获得较高铅、锌选别技术指标。其铅精矿含铅59.56%,含锌1.625%,铅回收率84.27%;锌精矿含锌49.126%,含铅0.53%,锌回收率79.43%。     

伏牛山高硫铜锌矿选矿工艺研究

对伏牛山高硫铜锌矿石进行工艺矿物学和选矿工艺研究,研究表明,采用优先选铜—锌硫混合浮选再分离及铜锌硫依次优先浮选工艺可较好地回收矿石中的铜锌硫,优先选铜—锌硫混合浮选再分离流程得到含铜27.17%、铜回收率86.27%的铜精矿,含锌50.53%、锌回收率88.11%的锌精矿,含硫42.34%、硫回收率78.23%的硫精矿。选矿厂按此流程改造后,可产出含锌42.19%、锌回收率59.30%的锌精矿。     

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.     

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.     

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     

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。     

减震防磨损溜槽在山东京杭水铁联运中的应用

溜槽作为煤炭运输中连接运输设备和储煤设施的重要部件，其设计的合理性直接影响到整个生产系统。尤其落差大的溜槽在使用过程中，不仅噪声大，磨损快，而且还会对下一级胶带冲击很大。实际生产中，溜槽维护成本高，严重影响煤炭运输正常作业。结合山东京杭水铁联运项目中溜槽运量大、落差高的特点，阐述了常用的防冲击、减震防磨损的方法以及在实际使用中的优缺点。并结合设计经验，提出了新的应用设计，通过计算机头落煤曲线，得出机头溜槽物料大概落煤点，设计堆煤网格，形成集料槽；在溜槽底板设置阻尼层，并用螺栓固定，起到缓冲减震降噪的作用。同时也起到了保护下一级胶带和落煤点缓冲托辊的作用。     

重型结构件快速标准化定位在液压支架生产中的应用

随着工业自动化的快速发展,机器人在加工过程中的利用率越来越高。但由于工业机器人对定位精度的要求非常高,往往会因为不能准确定位而对机器人接下来的加工操作造成一定的误差影响。而这种误差导致的最直接的结果就是焊接机器人无法准确定位到正确的焊缝位置,出现焊偏、焊漏或者熔深不够等焊接缺陷。以液压支架生产过程中对重型结构件的定位为实例,对旧式的定位块进行改进,在一定程度上增加了定位方式的灵活程度和精确程度。经过测试,新的定位方法极大地提高了定位的精确度,降低了定位过程中的操作难度,缩短了定位活件的时间。     

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