Round pipe conveyor for conveying dust materials

The invention relates to the technical field of material transportation, in particular to a circular pipe conveyor for conveying dust type materials, and aims to solve the problem that the dust type materials are easily blown away by wind during conveying. The round pipe conveyor comprises a rack, a driving roller, a driven roller and a driving motor, and the driving motor is in power connection with the driving roller and drives the driving roller to actively rotate. The conveying belt is arranged outside the driving roller and the driven roller in a wrapping manner; the round pipe forming frame group is composed of a plurality of rows of carrier rollers, and the carrier rollers are arranged on the rack, located on the lower surface of the upper portion of the conveying belt, make contact with the conveying belt and are divided into a circle forming stage, a maintaining stage and a releasing stage; the high conveying speed is obtained through conveying of the conveying belt, the conveying belt is transversel