燃烧

For the purpose of investigating the ignition and flame stability of low volatile pulverized coal , an in-depth analysis has been made on the lean flammability limits of gas-phase and pulverized coal combustion.

为了研究低挥发分煤粉着火与火焰稳定性，分析了气相燃烧与煤粉燃烧的着火贫限，提出了低挥发分煤粉着火的一次风粉气分离原则。

Based on the mass action law and basic combustion theory the authors propose the application of a relatively high pulverized coal concentration for use in a pulverized coal-fired boiler in order to enhance the ignition zone flame temperature, thus achieving a more stable combustion.

根据质量作用定律及燃烧基本理论。本文提出采用较高的煤粉锅炉入炉的煤粉浓度以便提高着火区火焰温度，从而使燃烧更加稳定。

Heat-release-rate and the other important combustion characteristics are computed on the basis of indicator diagram measured and the inner mechanisms of the ignition and flame propagation of this system are also discribed.

首先对测录示功图进行了分析，并计算了放热率及其它燃烧特性参数，在此基础上阐述了从点火到火焰传播的内在机理，并提出了速燃期内几种可能的燃烧方式。

The variety of the oxygen concentration will make the great influence to the coal combustion. The enhance of the oxygen concentration is able to reduce ignition heat 、 ignition-temperature and increase reaction velocity 、 flame temperature which will promote combustion completely.

氧气浓度的变化对煤粉燃烧产生很大的影响，增加氧气浓度会降低着火热和着火温度，增加反应速度、提高火焰温度、促进完全燃烧。

The acetylene flame UV spectrum was measured and the flame temperature was calculated.

测量了乙炔燃烧火焰的紫外辐射光谱，计算出乙炔燃烧火焰的温度。

Most specific means for removing pollutants from emissions include flue-gas desulphurisation, fluidised combustion, catalytic converters and the redesign of equipment, such as furnace burners and car engines, to lessen the production of pollutants.

最常被用於移除污染物排放的特定方法包括烟道气体脱硫、流体化床燃烧、触媒转化器和设备的重新设计，例如燃烧炉及汽车引擎，以减少污染物的产生。

The spheres are created from burning fossil fuels like oil.

这些球体应该是化石燃料燃烧后生成的，比方说石油燃烧。

The spheres are created from burning fossil fuels like oil.

这种灰迹来源于燃烧后的遗迹，比如燃烧石油后留下的。

Based on it,three dimensional numerical simulation of Natural Gas Rebuming is carried out.With the typical tangentially fired boilers in China as research object,it is set up that the pulverized coal combustion models and the NOx models.Through CFD method,the combustion process is simulated.All of these will promote the engineering applications of fuel reburning technology.

在此基础上，对燃煤锅炉的天然气再燃过程进行了系统的三维数值模拟，以我国典型的四角切圆煤粉锅炉为研究对象，建立了煤粉扩散燃烧和污染物NOx生成-还原模型，采用计算流体力学方法，模拟其燃烧过程，促进了再燃低NOx技术应用的推广。

The temperature of furnace liner is also the same. The invention has the advantages of simple structure, long useful life, less than 30ppm NOx discharge, less than 140ppm CO discharge, increasing heat efficiency by 5-10% comparing with traditional burning, suiting for various grate, boiler, or burning heating unit etc.

发明结构简单，使用寿命长，NO x 排放低于30ppm，CO排放低于140ppm，热效率高出传统燃烧5-10％，适用于各类燃用低热值燃气或废气的民用或工业炉窑、锅炉或燃烧加热装置使用。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。