Purifier for tail gas of motor vehicle

Purifier for tail gas of motor vehicle, by automobile exhaust passageway pipe, forced air cooler and water pump are constituteed, the flange is stifled before the automobile exhaust passageway guan weiqian end band, the stifled pipeline of flange behind the back end band, the flange is equipped with a plurality of air inlet small hole on blocking up in the front, be equipped with a plurality of air outlet small hole on the back flange is stifled, be connected with the entrance point pipe on the preceding flange of automobile exhaust passageway pipe is stifled, be connected with the exit end pipe on the back flange of automobile exhaust passageway pipe is stifled, be equipped with the cooling water water inlet on the back tip pipe wall of automobile exhaust passageway pipe, be equipped with cooling water outlet on the preceding tip pipe wall of automobile exhaust passageway pipe, the delivery port of water pump passes through the cooling water water inlet intercommunication of pipeline and automobile exhaust p