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。
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。
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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