APPARATUS FOR CLEANING WATER Russian patent published in 1997 - IPC

FIELD: water treatment. SUBSTANCE: apparatus containing casing, flocculation chamber, and mixer is provided with nozzle including cylindrical barrel communicating through flexible pipeline with clarification zone. Recycling of small flocculi is performed together with clarified water, whereas stirring and interaction with coarse particles is effected in all volume of mixer, which intensifies process of extracting fine particles by coarse ones, increases their strength and hydraulic size. EFFECT: intensified process. 1 dwg, 1 tbl