Abstract: The anticorrosion of chimney of coal fired power plant domestic and overseas was introduced. Several frequentlyused chimney anticorrosion schemes were compared. It was proposed that to use the glass fiber reinforced plastic (FRP), which has advantages of smaller density, higher strength, wear resistant, anticorrosion, finer surface finish and easy to machining, as internal cylinder material of wet chimney in desulphurization system without bypass and GGH; and some problems needing to be solved in application of FRP chimney were pointed out. 

Key words: coalfired power plant, desulphurization, wet chimney, corrosion, glass fiber reinforced plastic