DEVICE FOR EXTRACTION OF OIL FROM OIL-CONTAINING MATERIAL Russian patent published in 1996 - IPC

FIELD: oil-fat industry. SUBSTANCE: device for extraction of oil from oil-containing material uses a sectionalized housing, moulder chamber, loading hopper, auger stepped shaft; it has a chamber for barothermodynamic treatment of oil-containing material. Each step of the auger shaft is taper-shaped, its larger base faces the direction of oil outlet, the housing has a branch pipe used to connect the space formed by the second step of the auger shaft and moulder chamber to the vacuum source, to discharge the excess moisture from treated material. EFFECT: enhanced capacity, reduced requirements to moisture content in source oil-containing material and material costs. 4 cl, 3 dwg