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.
结果表明，一次风射流由于与上游横向射流的相互作用，在背火侧形成尾迹涡，在向火侧形成剪切涡。
It is showed that being the interaction between primary air and upstream fluid, the shear eddy the the wake are formed on the two sides of the primary air respectively.
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.
置火于下风舷，并使船侧受风。
置火于下风舷，并使船侧受风。
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