Manufacturing method of a new type of post-processing urea mixer for diesel engine

The utility model relates to the technical field of mixers, in particular to a new type of post-processing urea mixer for diesel engines, in which an outer cylinder is sleeved on the outside of the inner cylinder, and the outer peripheral surface of one end of the inner cylinder and the inner peripheral surface of the outer cylinder pass through a ring The plates are connected, the peripheral edge of the circular plate is connected with the inner peripheral surface of the outer cylinder, and the circular plate blocks the other end of the inner cylinder. The outer peripheral wall of the inner cylinder, the inner peripheral wall of the outer cylinder, the annular plate and the circular plate are enclosed to form a circle Annular mixing chamber. The edges of the baffle inside the mixing chamber are connected to the inner cylinder, outer cylinder, annular plate, and circular plate respectively. Multiple mixing cross fins are arranged at intervals in the mixing chamber. Nozzles, nozzles and mixing are installed on the outer cylinder. The cavity is connected, the air inlet is opened on the circular plate, and the air outlet is opened on the wall of the inner cylinder. The nozzle and the air inlet are both arranged close to one side of the baffle, and the air outlet is arranged close to the other side of the baffle. , Urea and exhaust gas fully react inside the mixing chamber, which is conducive to the atomization, pyrolysis and hydrolysis of urea, and is conducive to the purging of urea crystals.

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