Each device consists of a single, retractable lance and a drive mechanism equipped with separate air and water nozzles.
每一套设备都包括有单根可伸缩杆和一个带有单独的空气通道和水喷嘴的驱动机械。
2
Two forced oxidation devices of flue gas desulfurization in power plants are introduced, including fixed air sparger(FAS) and agitator airlance assemblies(ALS).
The Isa technology comprises blowing a certain amount of blast air and oxygen through the lance into the molten bath consisting of concentrate, fluxes and reverts.