对粗煤气在不同过量空气系数下的燃烧特性进行了研究。
Researches on combustion characteristic of raw gas have been done at different excess air coefficients in the article.
空气系数增加，燃烧份额提高，气化炉温度也相应增加。
As the equivalence ratio was increased, the gasifier temperature increased due to the higher degree of combustion.
再燃区过量空气系数存在一个最佳值（0．8～0．9）；
There existed an optimum value (0.8-0.9) for reburn zone stoichiometric coefficient.
过量空气系数与容积热负荷对烟气中CO生成量的影响不大。
Excess air factor and volumetric heat release rate have little effect on the generation quantity of CO in flue gases.
采用高温助燃空气和较大的过剩空气系数是一种较好的燃烧方式。
Adopting high temperature of combustion air and relative large excess air ratio is an appropriate combustion mode for the furnace.
维持过剩空气系数在最优值附近，能够有效提高常压加热炉的热效率。
It can improve thermal efficiency effectively by keeping excess air coefficient at optimal value.
过剩空气系数、排烟温度、燃料用量是影响加热炉热效率的三个主要因素。
The excessive air coefficient, flue gas emission temperature and fuel consumption are three major factors affecting the heat efficiency of the furnace.
应用修正的过量空气系数，提出基于最佳风煤比的在线识别燃烧优化控制系统。
This paper applies the amendatory exceed air coefficient and proposes an online optimum combustion system based on the best coal-air ratio.
提出了借助循环流化床在高过剩空气系数下燃烧的技术提供高温空气的新构思。
A new concept of achieving high temperature air by circulating fluidized bed combustion at high excess air ratio was proposed.
脉冲燃烧器的最佳运行工况应能顺利点火并在低过剩空气系数下高强度稳定燃烧。
The optimum operation of pulse combustor means successful ignition and stable combustion with high intensity, low excess air and low co emission.
因此，柴油机不能像汽油机那样可以改变过量空气系数来改变部分负荷时的排放。
Hence, the diesel engine can not change its excessive air coefficient to change the emission when partly loading as the petrol engine.
介绍了常用的过剩空气系数计算公式，通过计算比较，提出不同公式的使用范围。
The conventional calculation formulas for excess air ratio are introduced, and the serviceable range of different formulas is put forward by means of calculation comparison.
得出了二甲醚火焰传播速度与一次空气系数的关系曲线，并且在一次空气系数约为0。
The curve of relationship between flame speeds and the primary air ratio is got, and when primary air ratio is about 0.
在实验中，主要通过调整一次空气系数和引射器喷口的大小，达到稳定燃烧的运行工况。
In experiment, steady operating point of combustion can be obtained mainly by setting primary air factor and the size of spout.
热效率和火用效率达不到设计值的原因，一是排烟温度超过设计值，二是空气系数偏高。
The low efficiency is caused by the rejection temperature exceeding the design value and the high air coefficient (oxygen content).
分析了影响管式加热炉热效率的因素，主要包括过剩空气系数、不完全燃烧、排烟温度等。
Influencing factors on heat efficiency of tubular heaters are analyzed, which mainly include excess air factor, imperfect combustion and exhaust temperature.
烟气中的水蒸气含量较大时，计算过量空气系数应先将湿烟气含氧量修正为干烟气含氧量；
When the vapor content in gas is higher, the oxygen content of dry gas should be corrected to the oxygen content of damp gas before calculating the excess air coefficient.
并且通过试验的方法，着重探讨了通过调整过量空气系数来使锅炉燃烧达到优化的低氧燃烧技术。
And by means of testing, the thesis puts emphasis upon the study of the low-oxygen combustion technique, which can optimize boiler's combustion by adjust the excess air factor.
本文通过研究过量空气系数对炉内火焰的影响规律，指出在煤粉无油点火初期不宜补充大量二次风。
Through experiments of excess air coefficient on the PC combustion in stove, it is concluded that it is no use to add too much air at the beginning of free-oil ignition of PC.
因此在考虑加热炉安全运行的前提下，降低排烟温度以及控制过剩空气系数是比较有效的节能措施。
On the premise of security operation, to decrease the exhaust gas temperature and to control surplus air are both effective measures of energy-saving.
在实验结果的基础上利用火焰稳定理论，论证了在不同一次空气系数时获得最佳燃烧器参数的可能性。
Based on the experimental result and flame stability theory, the possibility to obtain the optimum parameters of the burners are discussed under different primary air coefficient.
研究了燃料种类、热风炉的排烟温度、过量空气系数以及燃烧空气湿度和温度对排烟热损失的影响规律。
Studies the fuel kinds, the exit gas temperature of the hot air furnace, the excess air coefficient and the air moisture and temperature 'influence for waste heat loss.
研究了环境温度，过量空气系数，蓄电池电压，点火提前角对单循环冷起动时，起动转速和排放的影响。
The effects of environment temperature, excess air ratio, storage battery voltage on start speed and emissions are studied.
采用FLUENT软件对大气式燃气燃烧器的引射器进行数值模拟，得出喷嘴位置与一次空气系数的关系。
The numerical simulation of the injector of atmospheric gas burner is carried out using software FLUENT, and the relationship between nozzle position and primary air coefficient is obtained.
配此型燃烧器的300MW机组锅炉的热效率达到93%以上，省煤器后过剩空气系数可降至1.15。
With this type of burner, the boiler efficiency of 300mw unit has reached over 93%, while the excess air ratio after economizer is reduced to 1. 15.
过量空气系数是燃烧过程运行情况的一个重要参数，合理确定过量空气系数对于提高能源利用率有很大意义。
Excessive air factor is an important parameter of operation status of burning process. Reasonable determination of excessive air factor has significant effect on increasing energy efficiency.
研究结果表明：均质充量压缩着火发动机的最佳工作范围与发动机转速混合气过量空气系数和负荷有密切的关系；
The results show that the best operating region of HCCI engine is related to the engine load, speed, and the mixture excess air ratio.
借助于辨识的过量空气系数自适应神经网络模糊推理系统(ANFIS)模型，进行了静态空燃比前馈控制仿真。
By means of an identified adaptive neural fuzzy inference system (ANFIS) model of the excess air factor, the simulation of static state air fuel ratio feed-forward control was carried out.
分析了积灰的组成和形成机理，提出了减少燃料油和废液中的盐分和重金属、适当降低燃烧的过剩空气系数等措施。
By analyzing on composition and formation mechanism of ash deposit, the measures of decreasing salt and heavy metal contained in fuel oil and waste liquid and appropriately decreasing excess air co...
分析了积灰的组成和形成机理，提出了减少燃料油和废液中的盐分和重金属、适当降低燃烧的过剩空气系数等措施。
By analyzing on composition and formation mechanism of ash deposit, the measures of decreasing salt and heavy metal contained in fuel oil and waste liquid and appropriately decreasing excess air co...
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