BAST RAW MATERIAL DRYING INSTALLATION Russian patent published in 2013 - IPC F26B17/04 

FIELD: heating.

SUBSTANCE: in a bast raw material drying installation containing a chamber with a conveyor located inside it and conveying raw material in the form of a layer along the base, longitudinal channels with openings for supply to a drying zone and discharge from it of hot air, which are installed above the conveyor with a heat carrier movement restrictor and fixed near the conveyor, according to the invention, the conveyor base, the restrictor installed above the conveyor, and surfaces of longitudinal channels are made from heat-insulating materials; with that, there are several longitudinal channels with the openings facing the drying zone, and each of them can perform functions of an air accumulator or an air distributor irrespective of the other ones. Besides, there is an initial raw material humidity control station and a station of change of conveyor movement speed, which operates in conjugation with it.

EFFECT: improving drying efficiency, reducing metal consumption of the installation structure and improving its maintenance conditions.

2 cl, 4 dwg