PETROLEUM SLUDGE REPROCESSING AND RECYCLING LINE Russian patent published in 1995 - IPC

FIELD: processing of industrial sewage. SUBSTANCE: line has bottom sediment intaking device and bottom sediment processing apparatus. Petroleum sludge intaking device has units for drawing and laying guard for petroleum sludge portion to be processed, frame for supporting these units and pump with suction branch pipe provided with device for grinding mechanical contaminants and petroleum sludge coagulants. Fine filter and hydraulic cyclone have water supply system for supplying water to lower parts of their casings. Filter charging sensor is mounted on fine filter upper cover. Line has deemulsifier feeding devices disposed in front of pump for feeding petroleum sludge from thermal sump, in front of pump for feeding petroleum sludge to heat-exchanger and in front of mixer, from which sludge is delivered into separators. Line has mechanical contaminant discharge conveyer with additional drying units. Conveyor is extending from centrifuge to furnace, where mechanical contaminants are rendered harmless. Line has vessel for accumulating wastes from filter, hydraulic cyclone and separators Vessel has conveyor disposed inside it. EFFECT: increased efficiency and enhanced reliability in operation. 6 dwg