A study of worn wear plates of fan blades of steel mill fumes suction system

In this paper, examination of a part of worn fan blade of the fan of steel mill fumes suction system are presented. Fan body was made from the CORTEN steel and the working surfaces of the blades was covered by wear plates 4666 CDP (4666 DP 0503) produced by CASTOLIN Co. It was proved that the main reason of very strong wear of the middle part of the fan blades is fumes erosion phenomenon greatly accelerated by water pollution of fumes.