DRIER Russian patent published in 2006 - IPC F26B11/14 

FIELD: drying equipment, in particular, means for drying of various bulk materials, for example, for producing of dried vegetables, potato, etc.

SUBSTANCE: drier has casing with feeding hopper and discharge device, product transporting device, heat-carrier feeding and discharge devices, and drive. Drier casing consists of two sequentially connected chambers, namely, convective and conductive chambers. Convective chamber is furnished with feeding hopper and two spiral belts located within said chamber and having different diameters. Lower part of said chamber is made netted and is equipped with bottom. Conductive chamber is equipped with discharge branch pipe and its casing is made of double body type. U-shaped partitions with windows are rigidly fixed within conductive chamber for defining multiple-passage heat-exchange channels along which heat-carrier flows. Spiral screw is mounted within conductive chamber. Conductive chamber is positioned at the level below convective chamber to form step. Convective chamber is communicating with conductive chamber through transfer branch pipe and heat-carrier feeding branch pipe.

EFFECT: increased efficiency of drying process due to multiple utilization of heat-carrier and also due to combined modes of hydrodynamic processing of product.

7 dwg