The fragmentation influences the char combustion behavior in a fluidized bed combustor.
利用下行气流振动床代替流化床 ，研究了煤的碎裂特性 。
The coal combustion behavior in a tangentially fired boiler furnace is numerically studied using a modified char combustion model.
采用改进了的焦炭燃烧模型，数值研究了煤粉颗粒在四角切向燃烧锅炉炉膛内的燃烧行为。
Energy from char combustion is one of the major energy sources in coal combustion and responsible for the boiler operation security.
煤焦作为煤粉燃烧过程中的主要能量来源之一，其燃烧行为对锅炉的安全运行有着举足轻重的作用。
The result of the explorative investigation shows that the fractal features are concerned with the condi. tions of the char combustion.
初步研究结果表明分形特征与碳焦燃烧工况有关。
HCN is produced during combustion of chars from different rank coals. That means HCN oxidation is a pathway for N2O formation during char combustion.
在不同煤种的焦炭燃烧实验中，均有HCN在烟气中生成，因此hcn的气相氧化过程是焦炭氮向n 2o转化的一条途径。
The developed continuous-film model, taking devolatilization into account, could simulate the history of volatile release and char combustion in detail.
考虑热解的扩展连续膜模型，可以详细预报煤粉挥发分析出、焦碳燃烧的全过程。
A quantitative study was carried out concerning the respective share of the oxidation and reduction reaction of the char combustion within the above cited range of temperatures.
定量研究了在此温度范围内煤焦燃烧的氧化与还原两种反应各占的份额。
The effect of included minerals on char combustion characteristics were analyzed by comparing burning curves and their characteristics indexes of the four chars and their demineralized chars.
通过比较煤焦脱灰前后热重燃烧曲线的特征参数的变化和转化速率的快慢，分析了内在矿物质对煤焦燃烧特性的影响。
The gasification process is assumed comprising of an initial instantaneous pyrolysis step followed by rapid partial combustion and char gasification.
气化过程假定包含一个最初瞬间的高温分解步骤，紧接着是部分燃烧和焦炭气化。
The optic microscopy and electron microscopy have been used to observe the morphology and structure of individual char particles, and determine their distribution during combustion.
本文利用光学显微镜和电镜，阐述了不同残炭颗粒的形态和结构以及它们在燃烧过程中的分布特征。
The char types of the various macerals and their combustion modes were investigated in detail according to the drop tube furnace and one-dimension coal combustibility tests.
本文依据沉降炉和一维煤粉燃烧特性试验，对不同显微组分的残炭类型及其燃烧方式进行了详尽的探讨。
The char partial gasification and combustion is studied on the thermobalance.
在热天平上进行了煤焦部分气化、燃烧的实验研究。
Pulverized coals were burnt in a laboratory-scale drop tube furnace to study the swelling characteristic of char particles and its influence on emission of particulate matter (PM) during combustion.
该文通过煤粉在沉降炉中的燃烧，研究燃烧过程中煤焦的膨胀特性及其对颗粒物形成的影响。
Based on the two-phase theory of fluidization, we developed a mathematical model which was used to describe the combustion process of batches char in a fluidized bed combustor.
基于流态化两相理论，建立了描述流化床燃烧器中煤焦间歇燃烧过程的数学模型。
Due to the unique ability of levitating a charged char particle in a chamber, the electrodynamic balance technique can be used to probe the combustion process of single char particle in situ.
利用电动态平衡技术，将单个带电煤颗粒悬浮在样品池中，可以实现煤颗粒燃烧过程的原位微观研究。
Then a general combustion model is proposed, which initially reveals the influence of coal char structure on combustion processes.
该模型把对碳焦的表面分形与燃烧速率的计算结合起来初步揭示了碳焦结构对燃烧过程的影响。
The application of thermogravimetry in the study of combustion property of coal char was reviewed.
采用热重分析和岩相分析等方法，对复杂煤种的燃烧特性进行了评价。
A new dimensionless combustion index Z has been proposed to describe the combustion behavior of coal and char.
由热分析实验数据归纳提出了表征煤和半焦着火、燃烧及燃烬性能的无量纲综合燃烧指数Z。
The results showed that char deactivation happens during char burnout in fluidized bed combustion condition.
结果表明：循环流化床锅炉燃烧过程中焦炭反应性逐渐下降；
The char particle temperature is calculated under the steady combustion condition by the mass and energy balance equation, the effect on the particle temperature by some parameters are analyzed.
通过建立单颗粒焦碳的质量和能量平衡方程，计算求解出焦碳颗粒在稳定状态下的温度，分析了一些参数对细焦碳颗粒温度的影响。
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.
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。
With the rise of heating rate, the maximum release rate of volatile and combustion rate of char, the burnout temperature and the combustible parameter increased, but the ignition temperature…
各试样的挥发分最大释放速率、固定炭最大燃烧速率、燃尽温度均呈增加趋势，它们的燃烧特性均随升温速率的升高而变好。
Then a general combustion model is proposed, which initially reveals the influence of coal char structure on...
该模型把对碳焦的表面分形与燃烧速率的计算结合起来初步揭示了碳焦结构对燃烧过程的影响。
Gas and carbon fixed char combining burning, strengthening the burning, reached full kindle, clean burning fuel purpose, improve the combustion efficiency.
煤气与固定碳(煤焦)燃烧相结合，强化了燃烧，达到了充分燃烬，洁净燃烧的目的，提高了燃烧效率。
Gas and carbon fixed char combining burning, strengthening the burning, reached full kindle, clean burning fuel purpose, improve the combustion efficiency.
煤气与固定碳(煤焦)燃烧相结合，强化了燃烧，达到了充分燃烬，洁净燃烧的目的，提高了燃烧效率。
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