rich in tarry hydrocarbons; burns readily with a smoky yellow flame

in this article , the new combustion techniques employed in low quality bituminous coal fired boilers in guangxi power system are studied and summarized;

对广西电力系统燃用的劣质烟煤锅炉的燃烧新技术进行了研究及综述。

fat coal is anthracite , bituminous coal , or do there?

发电煤就是无烟煤，或者有烟煤吗？

this coal burner is suitable for different varieties of coal, and the bituminous coal may be made to realize smokeless burning.

此燃煤燃烧器适用于各煤种，并可使烟煤达到无烟化燃烧。

temperature reduction leads to increasing n_2o formation, but to reducing noformation; bituminous coal yields more n_2o than lean coal.

降低温度导致n_2o生成量增加而同时no生成量减少，烟煤n_2o产量要比贫煤高一些。

new type super-short kilns have more adaptability to raw materials and fuels. they can burn either low quality bituminous coal or low quality anthracite;

新型超短窑对原燃料的适应性更强，既可以烧劣质烟煤，也可以烧劣质无烟煤；

using hot stove waste gas for drying pulverized coal in the process of grinding bituminous coal to control the oxygen content is an efficient safety measure for fire-proof, and explosion-proof.

采用热风炉废气作为烟煤粉制备系统惰化干燥剂是行之有效的安全防火防爆措施；

it is has been indicated by the research work that bituminous coal fugitive constituent and micro structure of coke such as porosity, micromorphology of pore and specific surfac.

研究表明，烟煤的挥发分含量及其焦炭的微观结构（如孔隙率大小、气孔形貌和比表面积等）是影响反应系统内物质生成的关键因素。

a brown coal, a high-volatile bituminous coal and a low-volatile bituminous coal were pyrolysed at a slow heating rate in a thermogravimetric analyser.

在热天平上采用慢速升温制备了褐煤、高挥发分烟煤和低挥发分烟煤的半焦。

an industrial process analyzer for o2 and co in the atmosphere in pulverized bituminous coal injection system of bf is presented.

介绍一种专门用于高炉喷吹烟煤系统检测气氛中o2和co的在线分析装置。

geologists estimate the seams of anthracite and bituminous coal in northern china, for instance, were formed from the jurassic period onward.

地质学家认为中国北部的无烟煤和烟煤层，成形于侏罗纪之后。

in the bottom of coal measures is an acidic intrusive body, it is direct heat source of metamorphism, and provided the conversion of lignite to bituminous coal with thermodynamic power.

在本区煤系地层底部有一酸性侵人巖体，该侵入巖体是引起本区煤变质的直接热源，它提供了褐煤向烟煤转化的热动力。

wumuchang area is a local bituminous coal district metamorphized by sub-volcanics in yiming coal field which is located in northeast china.

五牧场区是内蒙东部伊敏褐煤盆地中一个因次火山侵入作用形成的局部的烟煤区。

lowarsenic coals often have high organic arsenic. humic acid and fulvic acid extracted from lignite and low rank bituminous coal also combine some of arsenic.

在砷含量较低的煤样品中，有机态砷含量较高，其中在褐煤和低煤级烟煤中，可提取出与腐殖酸和富里酸结合的砷。

the activated carbon for flue gas desulfurization was prepared from bituminous coal by gas activation process.

以烟煤为原料，采用气体活化法制备煤质活性炭，并将其用于烟气脱硫。

employing fume from hot-blast stove as dry agent for the system of preparing powder of bituminous coal is a safe and energy-saving measure.

热风炉烟气作为干燥剂用于制备烟煤粉系统，是一项安全节能措施。

it is has been indicated by the research work that bituminous coal fugitive constituent and micro-structure of coke such as porosity, micromorphology of pore and specific surface area etc.

研究表明，烟煤的挥发分含量及其焦炭的微观结构（如孔隙率大小、气孔形貌和比表面积等）是影响反应系统内物质生成的关键因素。

through practices and theoretical analyses, it is proved that inferior bituminous coal is a particular kind of hard igniting bituminous coal, it should be differed from bituminous coal.

通过实践和理论分析，证明了劣质烟煤是一种难着火的煤种，应与烟煤区别开来。