CIRCULAR DRIER Russian patent published in 2007 - IPC F26B17/10 

FIELD: drying of dispersed materials; microbiological, food-processing, chemical and other industries.

SUBSTANCE: proposed circular drier has moist material loading bin with screw feeder, drying chamber, calorifier, fan and used air cleaning system. Drying chamber is provided with bin and sector gate valve connected with product discharge unit. Located in upper part of drying chamber is outlet branch pipe for used air which is connected with acoustic plant for entrapping the dust connected in its turn with cyclone. Heat-transfer agent is fed through inlet branch pipes of drying chamber by means of fan from mixing chamber which receives air from calorifier and recirculating system from cyclone. Air is fed to drying chamber through at least two passages located perpendicularly relative to chamber axis. Screw feeder for delivery of moist material is located in upper part of chamber near outlet branch pipe.

EFFECT: increased productivity of drier.

2 cl, 1 dwg