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|1. (WO2018221584) POWDER CLASSIFICATION DEVICE AND CLASSIFICATION SYSTEM|
KISHIDA , Yoshio
|Title:||POWDER CLASSIFICATION DEVICE AND CLASSIFICATION SYSTEM|
Provided are a classification device and a classification system that simply classify a powder such as fly ash. The present invention is provided with an original powder discharge part 6 that discharges an original powder together with a gas, and a suction part 4 that is disposed opposite to the original powder discharge part 6 at a position spaced apart from the original powder discharge part 6 and that sucks in a part of the gas and the original powder, wherein: the original powder discharge part 6 has a rotation portion 61 that rotates the original powder and the gas. The present invention is also provided with a housing part 2 that houses inside thereof the original powder discharge part 6 and the suction part 4 and encircles the outer peripheries thereof, and a discharge conveyance pipe that has an intake port for taking in the original powder present in the lower part of the storage part 2, together with the gas, and that sends out the taken original powder and gas from the intake port to the original powder discharge part 6.