DRIER FOR THERMOPLASTIC MATERIALS Russian patent published in 2004 - IPC

FIELD: drying of thermoplastic materials, applicable in chemical and other branches of industry, for example, food industry, at drying of grain food products. SUBSTANCE: the cover in the drier is additionally provided with a central through hole-charge neck with a plug, whose central axis coincides with the axis of the tapered bin, installed in which is a bush double walls having through holes on the outer wall for uniform supply of air to the infrared radiators; the air supply system has additional air ducts connecting the inner cavity of the cover to an ejector and to a circular collector, having through holes on the inner surface of the double door, the infrared radiators and the reflector are protected by a shock-proof glass partition, and the outer part of the cover and the inner part of the plug are protected by heat-insulating material. EFFECT: expanded process potentialities, enhanced capacity, efficiency and quality of drying, which makes it possible to use materials with various properties requiring permanent maintaining of the temperature characteristics in the drying chamber in the minimum time interval. 3 cl, 3 dwg