METHOD OF CLEANING AUTOMOBILE WASHING WATER Russian patent published in 1998 - IPC

FIELD: transport engineering; mobile washing plants. SUBSTANCE: additional reservoir for washing liquid in amount sufficient for maintaining constant level of liquid circulating in system is installed. This reservoir provides tolerable level of liquid contamination not affecting the quality of vehicle washing within working cycle limited by time of decomposition of washing liquid under action of biological and chemical factors of ambient medium. Sump for collecting waste waters is made either equal to or smaller in volume than filtrate tank, with due account of overall dimensions of plant. Filter for after- cleaning of washing liquid is installed before filtrate tank to direct part of flow into reservoir with washing liquid. EFFECT: enlarged operating capabilities. 3 cl, 1 dwg