湖南省短陂桥矿区二叠纪煤炭分布赋存规律

短陂桥矿区位于湖南省邵阳市东部,构造主体以短陂桥含煤向斜和F9重力滑脱断裂构造系统所组成,构造复杂。含煤地层为龙潭组上段(P₂l2),含煤4层,含可采煤层2层（1、3煤层）。其中1煤层厚0～2.36 m,平均0.89 m,全区大部分可采,为不稳定煤层,煤质为低灰,低挥发份,中高硫,特高热值,低磷、较低熔灰分,中粘结性,变质程度为瘦煤。3煤层厚0～4.6 m,平均1.24 m,全区可采,为较稳定煤层,煤质为低灰,低挥发份,中高硫,特高热值,低磷、较低熔灰分,中粘结性,变质程度为瘦煤。研究区内存在煤与瓦斯突出、煤尘爆炸及煤层自燃等危险性。工程地质条件复杂, 水文地质条件简单, 环境地质条件中等。研究区内资源储量4 490万t,其中1煤层资源量为2 003万t, 3煤层资源量为2 487万t。     

老三沟井田的煤质特征及综合利用评价

老三沟井田面积约13.32km2,煤炭资源量4×108t以上。井田构造简单,煤层较稳定。水文地质及其它开采技术条件简单。主要含煤地层为上石炭统太原组,含全区可采煤层2层,局部可采煤层1层。可采煤层埋藏深度459.00~605.82m。赋煤带有呈北西向或近南北向带状展布的发育规律。煤质特征为中—高灰分、低—中高硫分、低磷及低—中热值的长焰煤和不粘煤,且以长焰煤为主。是优质的动力用煤,也可作民用燃料和气化用煤。随着煤化学和煤化工科技水平的提高,本区煤炭的综合利用必将有一个美好的前景。     

贵州普安县麒麟煤矿煤质特征及工业评价

麒麟煤矿矿区位于旧普安向斜南东翼东段,地层走向,主要为NW,倾角一般10°~30°,西缓东陡,断层较发育。区内含煤地层为龙潭组,厚452m,含全区可采煤层2层(1、17号),可采总厚度5.64m。煤类有瘦煤、贫煤,主要煤质特征:特低水分、中灰,中高硫为主,特高发热量,高瓦斯矿井,属自燃煤层,煤尘有爆炸性。通过对贵州普安麒麟煤矿二叠系龙潭组可采煤层的煤质特征及其变化规律,为后面二叠系煤田开发认识提供一些理论支持和参考,对工业评价有进一步认识。     

花沟西井田10号煤层煤质特征分析与评价

花沟西井田位于安徽省涡阳县,已查明井田内10煤层矿产资源量9962×104t.约占本井田资源量的48％.10煤层为条带状结构,层状构造,玻璃光泽为主,阶梯状断口,内生裂隙较发育；宏观煤岩类型属半暗—半亮型煤；显微煤岩为微暗亮煤；煤质为低灰、低硫、中高挥发分、低磷、中强—强粘结性、高热值,其煤类属于1/3焦煤和焦煤.可作炼焦配煤及动力煤.     

贵州大竹坝井田含煤地层及煤层特征分析

介绍了贵州省桐梓县大竹坝井田地质概况、构造特征和煤层赋存情况,分析了井田内含煤地层及可采煤层特征,阐述了煤层特征及其变化规律。研究表明,井田内含煤地层为上二叠统龙潭组,可采煤层3层,其中C3为主采煤层,C2、C4零星局部可采。井田内C3煤层厚度变化规律不明显,煤类单一,煤层结构较简单,属于较稳定类型煤层;估计探明煤炭资源量8339万t,为一中型井田;根据煤质化验结果,确定C3煤层煤岩的工业类型为中灰、中高硫、低磷、高热值贫瘦煤。     

新峰一矿深部煤层地质及煤质特征研究

分析了新峰一矿地质特征,区内发现长度超过1 km的断层7条,对二₁煤层造成不同程度的破坏,研究了煤层地质及煤质特征。研究得出,可采煤层为1层,二₁煤层层位稳定,总厚度8.88 m,煤层结构简单,其稳定程度属较稳定类型。揭露含煤地层总厚度480.76 m,含一煤至七煤共7个煤组,含煤共13层,总厚15.72 m;二₁煤层属高灰、特低硫、特高热值煤,煤类主要为瘦煤,个别见煤点见有焦煤、贫煤、贫瘦煤,工业用途主要可作炼焦配煤使用,也可作动力用煤。研究对促进地方经济发展,提高居民收入有积极意义。     

三塘湖煤田9号煤层主要煤质指标分布特征研究

基于三塘湖煤田煤炭资源丰富、煤炭勘查程度高,介绍了煤田内最主要可采煤层9号煤层的地质概况及其煤炭资源量(196.39亿t),并结合煤灰分、挥发分等值线图对9号煤层主要煤质指标进行研究。研究结果表明:9号煤层整体以特低水分煤为主,含有局部的低水分煤及中等水分煤;根据对石头梅矿区、汉水泉、库木苏和条湖矿区的535个测试结果统计分析可知,9号煤层以低灰分煤为主,其次为特低灰分煤,在汉水泉、库木苏矿区出现局部中灰煤;据现有559个钻孔测试成果统计表明,9号煤层以高挥发分煤为主,其次为中高挥发分煤,库木苏区大部、汉水泉区局部、条湖区局部发育有特高挥发分煤;西部汉水泉区和中部石头梅区特低硫煤和低硫煤分布相当,个别地区出现中硫煤,而库木苏区和条湖区以特低硫煤为主,即9号煤层以特低硫煤为主,其次为低硫煤;以高发热量煤为主,中高发热量煤次之,石头梅区局部发育特高热值,库木苏区局部有中热值煤。因此,三塘湖煤田9号煤层是优质的火力发电、气化用煤及工业锅炉用煤。但各指标在不同矿区分布稍有变化,在工业利用时应注意煤质指标变化对设备和加工利用效率等的影响。     

关石焦煤矿5号煤层煤质特征分析与评价

分析评价了关石焦煤矿的煤层结构及宏观煤岩类型，认为5号煤层煤质为中高灰、高硫、较低挥发分、低磷、中热值的瘦煤，可作民用煤和火力发电。     

新疆伊南煤田察布查尔县阿尔玛勒北勘查区煤层地质特征

阿尔玛勒北勘查区位于伊犁盆地南缘。伊犁盆地煤炭资源丰富,整个区域上煤层稳定。主要含煤层位为中侏罗统西山窑组(J2x);次为下侏罗统三工河组(J1s)与八道湾组(J1b),含煤地层总平均厚度319m左右,为一套河流—湖泊三角洲沉积。勘查区发育煤层12层,累计总厚62.54m,平均纯煤总厚度56.47m,全区侏罗系含煤地层含煤系数23.26%。其中主要可采煤层为M1、M8、M9、M10,煤层厚度大,沿走向稳定,结构简单—较简单,属中高全水分,低灰—中灰份,中高—高挥发分,特低硫—低硫,特低磷—低磷,中热—特高热值发热量的长焰煤和不粘煤。     

金沙县禹谟井田煤炭资源及煤质特征

基于禹谟井田勘查工作取得的大量基础性地质和煤质资料,从地层、构造、煤层等方面介绍了禹谟井田的概况,简述井田的地质及煤炭资源情况,系统分析其可采煤层的煤质特征,确定了煤类、煤岩类型,并初步提出该井田煤的利用方向。禹谟井田煤炭资源丰富,总资源量为194 047.7万t,各煤层属低—中灰、特低挥发分、中—高硫、中高—高热值无烟煤。     

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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