在炉管背火侧的一定范围内增加适量的钉头或翅片，可以提高背火侧的受辐射面积。
A certain amount of nail head or fin within an acceptable range of tube's back side can improve the area of access to radiation.
向火侧与背火侧浓度比在1 ~4的大范围内可调节，保证了锅炉在变负荷工况下实现最佳浓淡比燃烧。
Concentration ratio of fire side to back side is adjustable within the wide range of 1 ~ 4 so as to ensure the realization of optimum rich-lean ratio firing under variable load conditions.
焦炉火道目标温度是机、焦侧火道温度平均值的目标值；
Coke oven flue aimed temperature is a aimed value of the flue temperature average.
焦炉火道目标温度是机、焦侧火道温度平均值的目标值；
Coke oven flue aimed temperature is a aimed value of the flue temperature average.
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