TUNNEL MULTIZONE DRYER FOR FRIABLE AND POOR-FRIABLE MATERIALS DRYING Russian patent published in 2008 - IPC F26B17/04 

FIELD: heating; transportation.

SUBSTANCE: dryer contents conveyor and drying chamber where above the working surface of conveyor and perforated carrying partition are mounted forcing and absorbing chests, lower bases of which are outfitted by sloping plates. Slopping plates support periodic reversible motion of drying agent through the drying chamber. Under working branch of conveyor alternately mounted absorbing and forcing chests, outfitted by perforated carrying partition, which implement drying agent vertical movement, at that conveyor is comprised as swivel-hanged frame outfitted by swivel-fixed racks which support periodical back-and-forth motion of drying material through drying chamber. Frame is kinematically connected to crank mechanism which is allowed to change racks entry angle to the layer of drying material at that racks rolling bearing are mounted with vertical and horizontal plane translatable of drying material.

EFFECT: increasing of measured capture processes; loosening and transportation along drying chamber.

2 cl, 3 dwg