ROTARY EXTRACTOR Russian patent published in 1995 - IPC

FIELD: food industry. SUBSTANCE: extraction has a vertical casing with a flat bottom separated by partitions with guide slots into ducts for passage of starting material with periodically smoothly varying width, vertical drive shaft with a cross-piece, secured on which on axially movable roller bearings installed in the guide slots are movable members of blades for relative movement, and means for delivery and discharge of starting material and extractive. EFFECT: intensified mass-transfer processes due to constant regeneration of the phase contact surface. 3 dwg