burner band meaning in English

燃烧带
卫燃带

Now no . 1 boiler has been operating for sixteen months while the burner band goes normally and the dust carbon content decreases evidently
恢复后一号炉运行时间已有16月，卫燃带未垮塌，飞灰含碳量有明显下降。
Guodian anshun power plant no . 1 boiler burner band ' s collapse leads to the increase of dust carbon content and the decrease of boiler unit efficiency
安顺电厂一号炉卫燃带垮塌，飞灰含碳量升高，影响机组运行效率。