碎粒煤和糜棱煤的不断产生与增加及对裂隙系统的严重破坏是煤储层低渗透性主要影响因素；
The low reservoir permeability is mainly caused by destroyed fracture system, producing and increasing fragmented coal and mylonitic coal.
在加粒煤工艺推广实施后，从高炉操作调剂上进一步完善，使之成为中、小高炉以煤代焦降低成本的有效途径。
After being spread the above process will be an effective way to substitute coke with coal to reduce cost if companied by improvement in furnace operation.
应用离散单元方法对流化床内煤粒的运动进行了模拟。
The motions of coal particles was simulated with the Discrete Element Method in the bulling fluidized bed.
并对同样实验条件下的煤粒瓦斯放散进行了对比研究。
Under the same experimental conditions, contrast analysis of the characteristics of gas emission of coal particles was done.
研究表明，煤中多环芳烃通过焦化作业以烟尘、煤粒、焦末以及外排废水形式迁移而污染大气、土壤和水环境。
The study results indicate that PAHs in soot, coal particles, coke particles and waste water emitted from coking can result in the atmospheric, soil and water pollution.
从COM样品的可燃成份分析可知，COM中油份的燃烧和煤粒的着火及燃烧在时间上是重迭的。
It shows that time intervals of coal particle ignition and oil combustion in the com droplets overlap with each other.
应用离散单元方法(DEM)对流化床内煤粒的运动进行了模拟。
The motions of coal particles was simulated with the Discrete Element Method (DEM) in the bulling fluidized bed.
可磨性是煤加工利用过程中的一个重要指标，可磨性指数与煤的破碎机理、煤粒破碎后的粒度分布均有关系。
The grindability of coal is an important parameter in pulverized coal utilization, and the HGI(Hardgrove Grindability Index) is relevant to the coal pulverization and the particle size distribution.
热解时挥发份的迅速释放及煤的热塑性导致了颗粒内部的空心结构，这种结构有效地提高炭粒的燃烧速率。
During the devolatilization, the hollow structure of coal particles is formed due to the rapid release of volatile, which can result in more rapid combustion of char particles.
基于理论分析建立了第三类边界条件下的煤粒瓦斯扩散方程，并给出了解析解。
The differential equations of coal particle gas diffusion under the third kind boundary condition and its analytical solution have obtained on the basis of theoretical analysis.
在可模拟链条炉中燃烧过程的热态实验台上，研究了块粒型煤的着火时间。
The ignition delay time was studied on the hot position bench that could stimulate combustion process of traveling grate furnace.
煤的灰层扩散系数对煤粒的燃烧有较大的影响。
The barrier diffusivity of coal effects its combustion greatly.
用来模拟大粒径煤粒的大颗粒在移动床中随循环物料向下移动并能顺利通过底部的返料器。
Large particles from moving bed can enter the lift of the CFB successfully through loop-seal recycle device.
热变质突出煤以各向同性结构、细粒一中粒镶嵌结构和气孔为主。
And distinct grain structure and pores are also found in outburst coal.
定量探讨整个煤粒内部的燃烧过程。
The effects of volatile evolution and combustion on coal combustion are studied.
提出将煤的分级技术和型煤技术结合起来，使原煤变成由块煤和型煤构成的具有一定粒度分布的块粒型煤。
This paper presents a technique with which the row coal is made to be the mixture of chinaley coal and granular briquette (MCCGB) with a granularity distribution.
本发明疏水团聚造粒助滤的低灰煤脱水方法，最适用于低灰煤制备高档活性炭。
The low ash coal dewatering process is especially suitable for preparing high grade active carbon with low ash coal.
煤粉输送、原油开采、污水排放、粉尘测量、气力输送、航空航天推进等生产、工作过程都包含气粒多相流动。
It can be found in the processes of coal dust transportation, crude oil recovery, sewage discharge, dust measurement, air conveying, astronautic and aeronautic propulsion, etc.
从COM样品的可燃成份分析可知，COM中油份的燃烧和煤粒的着火及燃烧在时间上是重迭的。
It shows that time intervals of coal particle ignition and oil combustion in the com droplets overlap w...
乳化液中有大量的漂浮杂质，在立柱缸底和阀腔，留有较多的煤粉、岩粒和铁屑。
A large number of floating impurities in the emulsion, and the valve chamber in the column bottom, left more coal, rock and iron tablets.
在水煤浆燃料的制备过程中，水煤浆中煤粒的粒度分布至关重要。
During the preparation of coal-water slurry fuel, the particle-size distribution of coal-water slurry is extremely important.
从COM样品的可燃成份分析可知，COM中油份的燃烧和煤粒的着火及燃烧在时间上是重迭的。
It shows that time intervals of coal particle ignition and oil combustion in the com droplets overlap with ea...
随着温度的上升，燃煤飞灰饱和磁化强度在保证煤粒充分燃烧温度范围内有逐渐降低的趋势。
Saturation magnetization of coal-fired fly ash decreases with increasing temperature in the temperature range in which complete burning of coal can take place.
实验还发现，木屑粒子与煤粒这类刚性粒子的流动特性不完全相同，木屑粒子之间相互作用较大。
It was also found the flow characteristics are not totally same between sawdust particles and rigid particles such as coal grain. Interaction between sawdust particles is much significant.
对脱去挥发份形成的焦粒进行的扫描电镜观察表明，粉煤焦的形态与煤的显微组分及其结合形式和煤的变质程度有很大的关系。
There is a definite relation between fuel ratio and vitrinite reflectance. The observation to pyrolysed char particles by SEM has shown that the char morphology is greatly influenced…
对脱去挥发份形成的焦粒进行的扫描电镜观察表明，粉煤焦的形态与煤的显微组分及其结合形式和煤的变质程度有很大的关系。
There is a definite relation between fuel ratio and vitrinite reflectance. The observation to pyrolysed char particles by SEM has shown that the char morphology is greatly influenced…
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