We havefound good process of repairing techniques use d in repairing the axes of blower and s ome typical aspects needed for special cares.

Reason analysis of stall for variable static blade axial-flow induced draft fan;

In this paper, the stall phenomenon occurred in axial-flow wind fan after the input of desulfurization system and the treating process are introduced.

Application research on the anti-wear coatings of axial-flow ID fan blades for coal-fired boiler;

The paper presents the tripping of air induction steam turbines of Primary reformer in Fudao second stage ammonia plant,analyzes the reasons for steam turbines tripping during overhaul,puts forward relative countermeasures,which have achieved good results.