EQUIPMENT FOR TREATMENT OF SEWAGE RESULTING FROM CAR WASHING Russian patent published in 1995 - IPC

FIELD: treatment of sewage. SUBSTANCE: equipment has a washing platform, sedimentation tanks ( first and second phase), oil trap, a set of filters with filtering charge, oil products collector, tank for purified liquid. First phase sedimentation tank is provided with metal protection grate and device for trapping floating trash. The oil trap is made in the form of a receiving chamber with stream damper and outlet chute, and two upward parallel equal diameter pipes connected with one another in their lower part. One of the pipes is connected with the receiving chamber, the other with the second phase sedimentation tank by a by bypass pipe. The water receiving chamber has a heater in the form of a bottle. EFFECT: higher efficient, cheaper, more compact. 3 cl, 1 dwg