ASSEMBLY FOR STIRRING WASTE WATERS Russian patent published in 1995 - IPC

FIELD: systems for physical and chemical processes. SUBSTANCE: assembly has case, provided with profiled cap and branch pipes for introducing and removing water, internal and external rotors, which are mounted for rotation in opposite directions by means of transmission wheels. Lower part of cylindrical surface of internal rotor and top part of cylindrical surface of external rotor are provided with overflow outlets. Base of internal rotor is dead. Labyrinth devices are mounted above and under transmission wheels. Side cylindrical surface of external rotor has drain hole. EFFECT: improved efficiency of mixing. 5 cl, 4 dwg