LIQUID PRODUCT CONCENTRATION APPARATUS Russian patent published in 1999 - IPC

FIELD: food-processing industry, in particular, milk and juice concentration equipment. SUBSTANCE: apparatus has sectioned housing, hollow drive shaft mounted within housing, perforated rotor mounted on drive shaft and provided with perforated shells defining hydraulic gates relative to its ends, perforated stator arranged so as to embrace perforated rotor, gaseous heat-carrier supply pipes, product supply pipes, concentrate discharge pipes and exhaust pipe. Perforations of rotor and rotor shells are formed as Laval nozzles. Rodlike resonators are mounted in shell nozzles. EFFECT: increased efficiency, wider operational capabilities and reduced power consumption. 2 dwg