SET FOR MICROWAVE EXTRACTION OF PLANT RAW MATERIAL Russian patent published in 1996 - IPC

FIELD: production of ethereal oils from high-strength plant raw material. SUBSTANCE: set has means to feed nonpolar extragent and raw material connected to mixer behind which there are mounted in series; extraction unit with microwave applicator put on body, separator, evaporator and condensor and collecting containers for extract and solvent cake. Extraction unit is manufactured in the form of radioparent drum with holes in the form of ultrasonic nozzles put on horizontal driving shaft with holes in the form of ultrasonic nozzles put on horizontal driving shaft with holes and mounted in radioparent housing to form ring chamber. Radioparent perforated stator embraces drum. Holes of stator are fitted with vortex generators and positioned in same planes with nozzles of drum along coaxial circumferences with unequal and nonmultiple circular pitch. Mixer is connected to extraction unit via hollow shaft and evaporator is in addition coupled over gas phase to ring chamber of extraction unit. EFFECT: enhanced operational efficiency and reliability. 4 dwg