EXHAUSTER FOR A SOLID FUEL PULVERIZING AND FIRING SYSTEM HAVING AN IMPROVED FAN ASSEMBLY

摘要

An exhauster (16) is provided having an improved fan assembly (26) forexhausting coal through an exhauster fan housing (36), the exhauster fanassembly (26) being mountable within the housing (36) on a shaft (34) forrotation about a shaft rotational axis. The exhauster fan assembly (26)includes a plurality of blades (42) and a hub (44). The exhauster fan assembly(26) also includes a hub protector assembly (54) having a wear plate (56) andwear plate connector means for connecting the plate (56) to at least one ofthe free end (52) of the shaft (34) and the free end (48) of the hub (44).