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。
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。
Because of the great disturbance of boiler burning system, on the spot, we don't find absolute excess air coefficient but its optimum interval.
由于锅炉燃烧系统的扰动较大,我们实际寻取的是相对的最佳过量空气系数,更为重要的是找到最佳过量空气系数区间。
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