DISPOSITIVO PER L'ABBATTIMENTO DELLE SOSTANZE INQUINANTI PRESENTI NEIGAS DI SCARICO DI MOTORI A COMBUSTIONE FREDDA

摘要

A device for removing pollutants contained in exhaust gases of internal-combustion engines, comprising: at least one duct (2) for conveying the exhaust gases to be treated into a tank (3) which contains a liquid for scrubbing the conveyed gases; a chamber (7) for nebulizing the liquid through which the gases flow, the chamber being connected downward of the free liquid surface of the tank (3); first screen elements (8), which are arranged inside the nebulization chamber (7) and are adapted to mix the nebulized liquid and exhaust gases by impact; a first expansion chamber (9a), which is connected downward of the nebulization chamber (7) and upward to at least one duct for the outflow of the nebulized liquid and of the treated gases; and a collecting unit (17) for collecting the pollutants retained by the scrubbing liquid, which is located below the tank (3).