FIELD: equipment for conveying materials in bulk, particularly pneumatic transportation means.
SUBSTANCE: plant comprises air blower, pipeline, loading hopper, supply means adapted to supply load into pipeline and separator with filter. Blades made of sheet material are arranged in upper pipeline part in cuts formed in pipeline wall. The blades are directed along helical line and extend in pipeline interior and out of the pipeline. Inner and outer edges of each blade are directed along arches of circles concentric to circle defined by pipeline cross-section. End blade edges are inclined towards pipeline center. Angle between end blade edges and normal line to pipeline wall is les than angle of friction between each blade and pipeline wall.
EFFECT: increased operational reliability and efficiency.
4 dwg
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