SOLID FUEL CRUSHING APPARATUS AND POWER GENERATION PLANT COMPRISING THE SAME AS WELL AS SOLID FUEL CRUSHING METHOD

摘要

To provide a solid fuel crushing apparatus that can suppress crushed particles of solid fuel from being piled up.SOLUTION: The solid fuel crushing apparatus comprises a rotary table 12, rollers that crush biomass fuel between the rotary table 12 and the rollers, support arms that support the rollers, roller covers 52 provided at outer periphery sides of the support arms, and nozzles 54 that supply seal air to spaces between the support arms and the roller covers. The nozzle 54 has a plurality of a blowout ports. The nozzle 54 is mounted across a wall part 52a at one side of the roller cover 52 and the wall part 52b at the other side opposing to the wall part 52a at one side.SELECTED DRAWING: Figure 2