SUSPENDED LAYER DRIER AT ACTIVE HYDRODYNAMIC MODE Russian patent published in 2000 - IPC

FIELD: drying technology; drying of thermolabile materials; chemical, medical and food-processing industries. SUBSTANCE: proposed drier includes cylindrical-taper chamber with material inlet branch pipe mounted tangentially, reflector mounted for axial motion ands confuser for introducing the main flow of drying agent; mounted in cylindrical portion of chamber along its axis is hollow insert made in form of hyperboloid whose upper shear is rigidly secured on cylindrical surface of chamber above inlet branch pipe mounted tangentially; circular clearance is provided between lower shear of chamber and its lateral surface; passages for removal of used drying agent are provided on outer surface of hollow insert from center to upper shear; flow area of these passages is adjustable. EFFECT: intensification of drying process; avoidance of caking of material; improved quality of dried product. 3 dwg