The excessive air coefficient, flue gas emission temperature and fuel consumption are three major factors affecting the heat efficiency of the furnace.
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。
It can improve thermal efficiency effectively by keeping excess air coefficient at optimal value.
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。
The low efficiency is caused by the rejection temperature exceeding the design value and the high air coefficient (oxygen content).
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。
Different methods for excess air coefficient given in different literatures have made confusions in the concept and values of excess air.
不同文献资料对空气过剩系数计算方法的不同，在不少场合下造成了一些概念和数值上的混乱。
This paper applies the amendatory exceed air coefficient and proposes an online optimum combustion system based on the best coal-air ratio.
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。
The effects of nozzle structure, fuel gas injection velocity and excess air coefficient on NOx emission in high temperature air combustion were investigated.
通过两种结构烧嘴的热态燃烧试验对比，研究了烧嘴结构、燃气射流速度、过量空气系数对高温空气燃烧过程氮氧化物排放的影响特性。
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。
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.
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。
Under the condition of constant phosphorus mass flow rate, the smog exit temperature would increase slowly while other parameters would decrease with increasing excess air coefficient.
在燃磷量不变情况下，最高燃烧温度、壁面最大热流和平均热流均随过剩空气系数的增大而减小，但烟气出口温度缓慢增加。
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.
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 results show that maximum combustion temperature and smog exhaust temperature increase with the increase of phosphorus mass flow rate when excess-air coefficient or air capacity is a constant;
结果表明，在空气过剩系数或空气量不变时，最高燃烧温度和烟气排放温度随燃磷量增加呈单调递增趋势；
The results show that maximum combustion temperature and smog exhaust temperature increase with the increase of phosphorus mass flow rate when excess-air coefficient or air capacity is a constant;
结果表明，在空气过剩系数或空气量不变时，最高燃烧温度和烟气排放温度随燃磷量增加呈单调递增趋势；
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