CONTINUOUSLY OPERATED EXTRACTOR WITH OPPOSITELY DIRECTED RAW MATERIAL AND SOLVENT Russian patent published in 1995 - IPC

FIELD: separation of materials. SUBSTANCE: extractor has rotor eccentrically mounted inside the cylindric horizontal housing. The rotor has hollow tight shaft filled with nitrogen and provided with net-like baffles which define sectors wherein screws are received. Inclined scrapers are mounted at the ends of the baffles. Discharging end of the rotor is provided with a ring scraper transporter. The zone of the screw drive is separated from the zone of extraction by a disk arranged on the rotor. Filters are mounted in front of the opening made in the disk. The disk abuts upon the non-rotating ring provided with a packing gland and pressed to the disk by springs. EFFECT: enhanced efficiency and reliability. 4 cl, 3 dwg