This paper introduced the recommendations for anticorrosion of various steel structure pipelines, and put forward the demands on the surface treatment and coating workshop circumstances as on coating application.

Based on the analysis of scaling and anti scaling mechanism, the feasibility of applying high frequency electro magnetic field in the ash removal system in power station together with other physical anti scaling technologies in water treatment has been discussed.

This article emphasizes the practical application of PLC in the ash removal system of Xisaishan Power Plant,including the struture and configuration of the ash removal PLC system,the configuration of the Control Net,the functions of operator station and main control logic.

The retrofit of the existed separately controlled ash removal system and ESP system into a remote concentrated control mode operated in the centralized control room is described.

Features and application of pressurized seal pneumatic ash handling system;

Analysis on the technical reconstruction of the ash handling system in Shouyangshan Power Plant;

The airslide ash handling system of 300 MW generating set of Jianbi Power Plant is introduced, especially, the problems existed in bin pump of the system are analysed, the improving measure and its profit are also introduced.