据此分类对我国高煤级煤孔隙性质的分布及演化规律进行了探讨。
On the basis of the classification, the evolution and distribution of properties of pore of the high rank coal in China were discussed.
煤基块弹性能随着煤储层埋深的增加而降低,随着煤级的升高而增大。
Coal matrix flexibility energy decreased with the increasing of buried deepness of coal reservoir, and increased with the rising of coal rank.
鉴于高煤级煤储层物性的特殊性,指出了高煤级煤储层煤层气开发的技术和措施。
Techniques and measures are suggested for developing CBM in high-rank coal reservoirs aiming at the particularity of physical properties of high-rank coal reservoirs.
中值孔径、孔隙率的变化特征与孔容一致,预示了低煤级煤储层较高的基岩渗透率。
The variation of medium pore diameter and porosity factor is in accordance with that of the pore volume, showing a high permeability of low rank coal reservoirs.
由于各种地质因素的影响,低煤级煤煤层将有可能出现煤层瓦斯富集而发生瓦斯灾害的危险。
Affected by different geologic factors, coal bed gas may be enriched and burst out in the low-rank coals.
采用理论分析方法对合理原料煤级配进行了分析,并对原料煤级配与型煤强度的关系进行了实验研究。
Theoretical analysis on suitable raw coal sizes for briquettes and experimental study on the relation between raw coal sizes and briquette strength have been carried out.
通过对晋城高煤级煤的有机质成熟度、有机质丰度和有机类型的分析,阐明了本区高煤级煤的有机质特征。
Based on the analysis of the maturing degree, abundance and type of organic matter, the characteristics of organic matter of high-rank coal in Jincheng has been expounded.
贵州上二叠统含煤岩系煤级分布在平面上呈现X型分布特征,即具有东、西侧变质低,中部变质高的特点,分布规律明显。
The coal classification distribution of coal bearing strata in the Up Permian Series of Guizhou has an X type feature in plan.
一级能源生产达到13.4亿吨标准煤,新增发电机容量1376万千瓦,电力供应基本满足生产和生活的需要。
National energy production reached 1.34 billion tons of standard coal. Power generating capacity increases by 13.76 million kilowatts and power supply basically met production needs and household use.
一级能源生产达到13.4亿吨标准煤。
National primary energy production reached 1.34 billion tons of standard coal.
在固定床光氧化反应器中,对神府煤不同密度级组分进行了紫外光光氧化研究。
The UV photooxidation characteristics of different density macerals of Shenfu coal have been studied in a fixed bed photoreactor.
用二级脱氟处理方法可使高纯煤中氟含量达到实际应用所允许的要求,接近原煤中的氟含量。
The fluorine content in cleaned coal will be nearly same as its original matrix by two grade defluorination treatment.
鞍钢二煤粉三、四系列改造采用了中速磨加一级布袋短流程制粉和直接喷吹工艺技术。
The second coal plant three, four series transformation of Angang used in the medium-speed mill plus a bag short-flow milling and direct injection technology.
为掌握煤粉无油二级直接点火燃烧器内部流动、燃烧特征,进行了试验和数值模拟。
Experiments and numerical simulation are carried out to recognize the exact flow and combustion characteristics in a two-stage oil-less ignition system.
为了研究粒度级配对淮南煤成浆性能的影响,采用三种粒度级配方案,对淮南煤单煤及配煤成浆性能进行比较。
M of Huainan coal, three grading size schemes are used to compare the features of coal water slurry of Huainan single coal and blended coal with different grading sizes.
分析循环流化床锅炉运行中出现的高温再热器、二级过热器爆管和给煤系统旋转给料阀经常堵煤等问题。
The causes of SH and RH tube explosion and coal feed system jamming in the operating CFBB are analyzed.
从总的区域构造分布看,含煤盆地沉积主要受北东向反射弧的次一级断裂坳陷所制约,同时也存在着次一级的东西向与北东向复合交汇控制特征。
According to tectonic zonation, the coal basin mainly restricted by secondary fault depression of NE reflex arc, meanwhile secondary EW and NE composite convergence existed.
在中国,正在建设两个使用鲁奇公司MTP技术的世界级煤基化学品联合企业。
Two world-class coal based chemical complexes using Lurgi MTP technology are under construction in China.
结果表明:不同密度级的煤样其光催化氧化降解的机理不同;
The results indicate that the mechanisms of different density grade's coal components in photo-oxidation degradation are different;
燃烧动力学分析表明,生物质、煤及其混合物的燃烧可以作为一级反应处理。
Combustion dynamics analysis indicates that the combustion of biomass, coal and their mixtures can be treated as a level 1 response processing.
燃烧动力学分析表明,生物质、煤及其混合物的燃烧可以作为一级反应处理。
Combustion dynamics analysis indicates that the combustion of biomass, coal and their mixtures can be treated as a level 1 response processing.
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