DEVICE FOR TREATMENT OF WASTE GASES FROM AN INTERNAL COMBUSTION ENGINE

摘要

A device for treatment of waste gases from an internal combustion engine whereby a reducing agent, in particular a urea or an aqueous urea solution, is brought into contact with said gas; comprising a mixing chamber (8) into which the reducing agent, stored in a reducing agent tank (1) and delivered by a reducing agent line (1a), and compressed air, contained in a compressed air tank (20) and delivered by a compressed air line (24), are brought to create a mixture of reducing agent and air; further comprising a closed regulating loop (1a, 10, 11, 50, 51, 52) for regulation and/or control of the pressure in the reducing agent line (1).