SUBLIMATION DRYING APPARATUS FOR BIOLOGICAL RAW MATERIAL EXTRACT PRODUCTION LINE Russian patent published in 1999 - IPC

FIELD: equipment for mass processing of biological raw material. SUBSTANCE: drying apparatus has supersonic sprayer with auger connected with torsional vibrations drive. Auger coil surface faced to sprayer outlet end is less rough and opposite surface of coils is more rough as compared to sprayer inner surface. EFFECT: intensified process, improved drying uniformity of biological material and increased yield of extractive substance at subsequent gas-liquid extraction process. 2 dwg